支持客户端加密

.gitmodules

@@ -1,3 +0,0 @@
-[submodule "switch/p2p_channel"]
-	path = switch/p2p_channel
-	url = https://github.com/lbl8603/p2p_channel

README.md

@@ -10,8 +10,8 @@
     ```shell
       # linux上
       root@DESKTOP-0BCHNIO:/opt# ./switch-desktop start --token 123456
-      # 在另一台linux上使用nohup后台运行，不在命令行指定配置时，将在home/.switch_desktop/config文件中读取配置
-      [root@izj6cemne76ykdzkataftfz switch]# nohup ./switch-desktop start  &
+      # 在另一台linux上使用nohup后台运行
+      [root@izj6cemne76ykdzkataftfz switch]# nohup ./switch-desktop start --token 123456 &
       # windows上
       D:\switch\bin_v1>switch-desktop.exe start --token 123456
     ```
@@ -69,8 +69,8 @@
 - Mac
 - Linux
 - Windows
-  - 使用tun网卡 依赖wintun.dll(https://www.wintun.net/)
-  - 使用tap网卡 依赖tap-windows(https://build.openvpn.net/downloads/releases/)
+  - 使用tun网卡 依赖wintun.dll(https://www.wintun.net/ )(将dll放到同目录下，建议使用版本0.14.1)
+  - 使用tap网卡 依赖tap-windows(https://build.openvpn.net/downloads/releases/ )(建议使用版本9.24.7)
 
 ### 特性
 - IP层数据转发
@@ -81,10 +81,12 @@
   - 服务端中继转发
   - 客户端中继转发
 - IP代理
+- p2p组播/广播
+- 客户端数据加密
 
 ### Todo
 - 支持安卓
-- 数据加密
+- 服务端数据加密
 
 ### 常见问题
 #### 问题1: 设置网络地址失败

switch-desktop/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "switch-desktop"
-version = "1.0.5"
+version = "1.0.6"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@@ -16,6 +16,7 @@ log4rs = "1.2.0"
 tokio = { version = "1.28.1", features = ["full"] }
 chrono = "0.4.23"
 
+rust-i18n = "1.2.2"
 serde = "1.0"
 serde_yaml = "0.9"
 serde_json = "1.0.94"

switch-desktop/locales/en.yml

@@ -0,0 +1,50 @@
+switch_about: "A virtual network tool that will obtain an ip after startup. Devices under the same token will form a virtual local area network, and can use ip to communicate directly with each other."
+switch_usage: "switch-desktop.exe <COMMAND>"
+switch_start_about: "Start switch"
+switch_token_help: "Using the same token, you can build a local area network. It is recommended to use a more complex token to avoid connecting to other people's local area network"
+switch_name_help: "Give the device a name, the system version information will be used by default"
+switch_device_id_help: "The unique identifier of the device, the ip is assigned according to the id, and the MAC address is used by default"
+switch_server_help: "Registry and relay server address, public server is used by default"
+switch_nat_test_server_help: "NAT detection server addresses, separated by commas"
+switch_log_help: "Record the log, the output is in the '${home}/.switch_desktop' directory, it is not recommended to open it for long-term use"
+switch_tap_help: "Use tap mode, tun mode will be used by default"
+switch_in_ip_help: "Use when configuring point-to-network (IP proxy), --in-ip 192.168.10.0/24,10.26.0.3, which means it is allowed to receive data from the network segment 192.168.10.0/24 and forward it to 10.26.0.3"
+switch_out_ip_help: "Use when configuring point-to-network, --out-ip 192.168.10.0/24,192.168.1.10, which means that the data with the target of 192.168.10.0/24 is allowed to be forwarded from the network card 192.168.1.10"
+switch_password_help: "Client Data Encryption"
+switch_config_help: "Read configuration file"
+switch_stop_about: "Stop background service"
+switch_route_about: "View route"
+switch_list_about: "View device list"
+switch_list_all_help: "View full information"
+switch_status_about: "View current device information"
+switch_install_about: "Install windows service"
+switch_path_help: "Service installation path, it is recommended to use an empty directory"
+switch_auto_help: "Service starts automatically at boot"
+switch_uninstall_about: "Uninstall windows service"
+switch_config_about: "Change Windows Service Configuration"
+
+switch_use_admin_print: "Please run with administrator privileges"
+switch_use_root_print: "Please run with root privileges"
+switch_service_not_start_print: "service not started"
+switch_start_successfully_print: "Start successfully"
+switch_start_failed_print: "Startup failed"
+switch_service_not_stopped_print: "service not stopped"
+switch_stopped_print: "stopped"
+switch_server_already_installed_print: "service is installed"
+
+
+switch_repeated_start_print: "cannot be restarted repeatedly"
+
+switch_token_not_found_print: "missing token"
+switch_token_cannot_be_empty_print: "token cannot be empty"
+switch_token_cannot_exceed_64_print: "token cannot exceed 64 characters"
+switch_device_id_is_empty_print: "The device id cannot be empty and the length cannot be greater than 64 characters"
+switch_in_ips_example_print: "in_ips Parameter error Example:--in_ip 192.168.10.0/24,10.26.0.3"
+switch_out_ips_example_print: "out_ips Parameter error Example:--out_ip 192.168.10.0/24,192.168.0.5"
+switch_relay_server_address_error: "Wrong relay server address"
+switch_nat_test_server_address_error: "NAT detection service address error"
+switch_press_any_key_to_exit: "Press any key to exit"
+
+switch_virtual_ip: "virtual ip"
+switch_virtual_gateway: "virtual gateway"
+switch_please_enter_the_command: "Please enter the command (Usage: list,route,status,exit,help):"

switch-desktop/locales/zh-CN.yml

@@ -0,0 +1,50 @@
+switch_about: "一个虚拟网络工具,启动后会获取一个ip,相同token下的设备会组件虚拟局域网,之间可以用ip直接通信"
+switch_usage: "switch-desktop.exe <命令>"
+switch_start_about: "启动switch"
+switch_token_help: "使用相同的token，就能组建一个局域网络，建议使用一个复杂一点的token，避免连到其他人的局域网中"
+switch_name_help: "给设备一个名字，默认会使用系统版本信息"
+switch_device_id_help: "设备唯一标识符，凭id分配ip，默认使用MAC地址"
+switch_server_help: "注册和中继服务器地址，默认使用公共服务器"
+switch_nat_test_server_help: "NAT探测服务器地址，使用逗号分隔"
+switch_log_help: "记录日志，输出在 '${home}/.switch_desktop' 目录下，长时间使用时不建议开启"
+switch_tap_help: "使用tap模式，默认会使用tun模式"
+switch_in_ip_help: "配置点对网(IP代理)时使用，--in-ip 192.168.10.0/24,10.26.0.3，表示允许接收网段192.168.10.0/24的数据并转发到10.26.0.3"
+switch_out_ip_help: "配置点对网时使用，--out-ip 192.168.10.0/24,192.168.1.10，表示允许目标为192.168.10.0/24的数据从网卡192.168.1.10转发出去"
+switch_password_help: "使用该密码生成的密钥对客户端数据进行加密，并且服务端无法解密。使用相同密码的客户端才能通信"
+switch_config_help: "读取配置文件"
+switch_stop_about: "停止后台服务"
+switch_route_about: "查看路由"
+switch_list_about: "查看设备列表"
+switch_list_all_help: "查看完整信息"
+switch_status_about: "查看当前设备信息"
+switch_install_about: "安装Windows服务"
+switch_path_help: "服务安装路径，建议使用一个空目录"
+switch_auto_help: "服务开机自启动"
+switch_uninstall_about: "卸载Windows服务"
+switch_config_about: "改变Windows服务配置"
+
+switch_use_admin_print: "请使用管理员权限运行"
+switch_use_root_print: "请使用root权限运行"
+switch_service_not_start_print: "服务未启动"
+switch_start_successfully_print: "启动成功"
+switch_start_failed_print: "启动失败"
+switch_service_not_stopped_print: "服务未停止"
+switch_stopped_print: "已停止"
+switch_server_already_installed_print: "服务已经安装"
+
+
+switch_repeated_start_print: "不能重复启动"
+
+switch_token_not_found_print: "缺少token"
+switch_token_cannot_be_empty_print: "token不能为空"
+switch_token_cannot_exceed_64_print: "token不能超过64个字符"
+switch_device_id_is_empty_print: "设备id不能为空并且长度不能大于64字符"
+switch_in_ips_example_print: "in_ips 参数错误 示例：--in_ip 192.168.10.0/24,10.26.0.3"
+switch_out_ips_example_print: "out_ips 参数错误 示例：--out_ip 192.168.10.0/24,192.168.0.5"
+switch_relay_server_address_error: "中继服务器地址错误"
+switch_nat_test_server_address_error: "NAT检测服务地址错误"
+switch_press_any_key_to_exit: "按任意键退出"
+
+switch_virtual_ip: "当前虚拟ip(virtual ip)"
+switch_virtual_gateway: "虚拟网关(virtual gateway)"
+switch_please_enter_the_command: "输入命令 (例如: list,route,status,exit,help):"

switch-desktop/src/command/server.rs

@@ -182,7 +182,7 @@ fn command(cmd: &str, switch: &Switch) -> io::Result<String> {
             "stopping".to_string()
         }
         _ => {
-            format!("command '{}' not fount. \n Try to enter: 'help'\n", cmd)
+            format!("command '{}' not found. \n Try to enter: 'help'\n", cmd)
         }
     };
     Ok(out_str)

switch-desktop/src/command_args.rs

@@ -0,0 +1,133 @@
+use clap::{Arg, ArgAction, Command};
+use clap::builder::BoolishValueParser;
+use crate::i18n::*;
+
+fn common() -> Command {
+    Command::new("switch-desktop")
+        .about(switch_about())
+        // .version(switch_version())
+        .subcommand_required(true)
+        .arg_required_else_help(true)
+        // .author(switch_author())
+        .override_usage(switch_usage())
+        .subcommand(
+            Command::new("start")
+                .about(switch_start_about())
+                .arg(
+                    Arg::new("token")
+                        .long("token")
+                        .help(switch_token_help())
+                        .action(ArgAction::Set)
+                )
+                .arg(
+                    Arg::new("name")
+                        .long("name")
+                        .help(switch_name_help())
+                        .action(ArgAction::Set)
+                )
+                .arg(
+                    Arg::new("device_id")
+                        .long("device-id")
+                        .help(switch_device_id_help())
+                        .action(ArgAction::Set)
+                ).arg(
+                Arg::new("server")
+                    .long("server")
+                    .help(switch_server_help())
+                    .action(ArgAction::Set)
+            ).arg(
+                Arg::new("nat_test_server")
+                    .long("nat-test-server")
+                    .help(switch_nat_test_server_help())
+                    .action(ArgAction::Set)
+            ).arg(
+                Arg::new("log")
+                    .long("log")
+                    .help(switch_log_help())
+                    .action(ArgAction::SetTrue)
+                    .value_parser(BoolishValueParser::new()),
+            ).arg(
+                Arg::new("tap")
+                    .long("tap")
+                    .help(switch_tap_help())
+                    .action(ArgAction::SetTrue),
+            ).arg(
+                Arg::new("in_ip")
+                    .long("in-ip")
+                    .help(switch_in_ip_help())
+                    .action(ArgAction::Append)
+                    .num_args(1..),
+            ).arg(
+                Arg::new("out_ip")
+                    .long("out-ip")
+                    .help(switch_out_ip_help())
+                    .action(ArgAction::Append)
+            ).arg(
+                Arg::new("password")
+                    .long("password")
+                    .help(switch_password_help())
+                    .action(ArgAction::Set)
+            ).arg(
+                Arg::new("config")
+                    .long("config")
+                    .help(switch_config_help())
+                    .action(ArgAction::Set)
+            )
+            ,
+        ).subcommand(
+        Command::new("stop")
+            .about(switch_stop_about()))
+        .subcommand(
+            Command::new("route")
+                .about(switch_route_about()))
+        .subcommand(Command::new("list")
+            .about(switch_list_about()).arg(
+            Arg::new("all")
+                .long("all")
+                .short('a')
+                .help(switch_list_all_help())
+                .action(ArgAction::SetTrue)
+                .value_parser(BoolishValueParser::new()), ))
+        .subcommand(Command::new("status")
+            .about(switch_status_about()))
+}
+
+pub fn check() -> bool {
+    #[cfg(windows)]
+        let cmd = common().subcommand(Command::new("install")
+        .about(switch_install_about())
+        .arg(
+            Arg::new("path")
+                .long("path")
+                .help(switch_path_help())
+                .action(ArgAction::Set)
+                .num_args(1..))
+        .arg(
+            Arg::new("auto")
+                .long("auto")
+                .help(switch_auto_help())
+                .action(ArgAction::SetTrue)
+                .value_parser(BoolishValueParser::new()), ))
+        .subcommand(Command::new("uninstall")
+            .about(switch_uninstall_about()))
+        .subcommand(Command::new("config")
+            .about(switch_config_about())
+            .arg(
+                Arg::new("auto")
+                    .long("auto")
+                    .help(switch_auto_help())
+                    .action(ArgAction::SetTrue)
+                    .value_parser(BoolishValueParser::new()), ));
+    #[cfg(any(unix))]
+        let cmd = common();
+    match cmd.try_get_matches() {
+        Ok(_) => {
+            true
+        }
+        Err(e) => {
+            println!("{}", e);
+            false
+        }
+    }
+}
+

switch-desktop/src/config/mod.rs

@@ -8,7 +8,7 @@ use lazy_static::lazy_static;
 use parking_lot::Mutex;
 use serde::{Deserialize, Serialize};
 
-use crate::StartArgs;
+use crate::{i18n, StartArgs};
 
 pub mod log_config;
 lazy_static! {
@@ -25,7 +25,7 @@ pub fn set_win_server_home(home: PathBuf) {
     let _ = SWITCH_HOME_PATH.lock().insert(home);
 }
 
-#[derive(Clone,Debug)]
+#[derive(Clone, Debug)]
 pub struct StartConfig {
     pub tap: bool,
     pub name: String,
@@ -38,6 +38,7 @@ pub struct StartConfig {
     #[cfg(any(unix))]
     pub off_command_server: bool,
     pub log: bool,
+    pub password: Option<String>,
 }
 
 fn ips_parse(ips: &Vec<String>) -> Result<Vec<(u32, u32, Ipv4Addr)>, String> {
@@ -101,14 +102,14 @@ pub fn default_config(start_args: StartArgs) -> Result<StartConfig, String> {
         println!("use tun");
     }
     if start_args.token.is_none() {
-        return Err("找不到token(Token not found)".to_string());
+        return Err(i18n::switch_token_not_found_print());
     }
     let token = start_args.token.unwrap();
     if token.is_empty() {
-        return Err("token不能为空(Token cannot be empty)".to_string());
+        return Err(i18n::switch_token_cannot_be_empty_print());
     }
     if token.len() > 64 {
-        return Err("token不能超过64字符(Token cannot exceed 64 characters)".to_string());
+        return Err(i18n::switch_token_cannot_exceed_64_print());
     }
     println!("token:{:?}", token);
     let name = start_args.name.unwrap_or_else(|| {
@@ -129,7 +130,7 @@ pub fn default_config(start_args: StartArgs) -> Result<StartConfig, String> {
         }
     });
     if device_id.is_empty() || device_id.len() > 64 {
-        return Err("设备id不能为空并且长度不能大于64字符(The device id cannot be empty and the length cannot be greater than 64 characters)".to_string());
+        return Err(i18n::switch_device_id_is_empty_print());
     }
     println!("device_id:{:?}", device_id);
     let in_ips = start_args.in_ip.unwrap_or_else(|| {
@@ -142,13 +143,13 @@ pub fn default_config(start_args: StartArgs) -> Result<StartConfig, String> {
     let in_ips_c = if let Ok(in_ips_c) = ips_parse(&in_ips) {
         in_ips_c
     } else {
-        return Err("in_ips 参数错误 示例：--in_ip 192.168.10.0/24,10.26.0.3".to_string());
+        return Err(i18n::switch_in_ips_example_print());
     };
     println!("out_ips:{:?}", out_ips);
     let out_ips_c = if let Ok(out_ips_c) = ips_parse(&out_ips) {
         out_ips_c
     } else {
-        return Err("out_ips 参数错误 示例：--out_ip 192.168.10.0/24,192.168.0.5".to_string());
+        return Err(i18n::switch_out_ips_example_print());
     };
 
 
@@ -159,11 +160,11 @@ pub fn default_config(start_args: StartArgs) -> Result<StartConfig, String> {
             if let Some(addr) = server.next() {
                 addr
             } else {
-                return Err("中继服务器地址错误( Relay server address error)".to_string());
+                return Err(i18n::switch_relay_server_address_error());
             }
         }
         Err(e) => {
-            return Err(format!("中继服务器地址错误( Relay server address error) :{:?}", e));
+            return Err(format!("{} :{:?}", i18n::switch_relay_server_address_error(), e));
         }
     };
     println!("中继服务器:{:?}", server);
@@ -172,7 +173,7 @@ pub fn default_config(start_args: StartArgs) -> Result<StartConfig, String> {
     }).split(",").flat_map(|a| a.to_socket_addrs()).flatten()
         .collect::<Vec<_>>();
     if nat_test_server.is_empty() {
-        return Err("NAT检测服务地址错误(NAT detection service address error)".to_string());
+        return Err(i18n::switch_nat_test_server_address_error());
     }
     println!("NAT探测服务器:{:?}", nat_test_server);
     let base_config = StartConfig {
@@ -187,6 +188,7 @@ pub fn default_config(start_args: StartArgs) -> Result<StartConfig, String> {
         #[cfg(any(unix))]
         off_command_server: start_args.off_command_server,
         log: start_args.log,
+        password: start_args.password,
     };
     println!("========参数配置========");
     Ok(base_config)
@@ -211,10 +213,10 @@ pub fn read_config_file(config_path: PathBuf) -> Result<StartConfig, String> {
     }
     let token = args_config.token;
     if token.is_empty() {
-        return Err("token不能为空(Token cannot be empty)".to_string());
+        return Err(i18n::switch_token_cannot_be_empty_print());
     }
     if token.len() > 64 {
-        return Err("token不能超过64字符(Token cannot exceed 64 characters)".to_string());
+        return Err(i18n::switch_token_cannot_exceed_64_print());
     }
     println!("token:{:?}", token);
     let name = args_config.name;
@@ -235,7 +237,7 @@ pub fn read_config_file(config_path: PathBuf) -> Result<StartConfig, String> {
         }
     };
     if device_id.is_empty() || device_id.len() > 64 {
-        return Err("设备id不能为空并且长度不能大于64字符(The device id cannot be empty and the length cannot be greater than 64 characters)".to_string());
+        return Err(i18n::switch_device_id_is_empty_print());
     }
     println!("device_id:{:?}", device_id);
     let in_ips = args_config.in_ips;
@@ -244,13 +246,13 @@ pub fn read_config_file(config_path: PathBuf) -> Result<StartConfig, String> {
     let in_ips_c = if let Ok(in_ips_c) = ips_parse(&in_ips) {
         in_ips_c
     } else {
-        return Err("in_ips 参数错误 示例：--in_ip 192.168.10.0/24,10.26.0.3".to_string());
+        return Err(i18n::switch_in_ips_example_print());
     };
     println!("out_ips:{:?}", out_ips);
     let out_ips_c = if let Ok(out_ips_c) = ips_parse(&out_ips) {
         out_ips_c
     } else {
-        return Err("out_ips 参数错误 示例：--out_ip 192.168.10.0/24,192.168.0.5".to_string());
+        return Err(i18n::switch_out_ips_example_print());
     };
     let server = match {
         if !args_config.server.is_empty() {
@@ -264,11 +266,11 @@ pub fn read_config_file(config_path: PathBuf) -> Result<StartConfig, String> {
             if let Some(addr) = server.next() {
                 addr
             } else {
-                return Err("中继服务器地址错误( Relay server address error)".to_string());
+                return Err(i18n::switch_relay_server_address_error());
             }
         }
         Err(e) => {
-            return Err(format!("中继服务器地址错误( Relay server address error) :{:?}", e));
+            return Err(format!("{}:{:?}", i18n::switch_relay_server_address_error(), e));
         }
     };
     println!("中继服务器:{:?}", server);
@@ -279,7 +281,7 @@ pub fn read_config_file(config_path: PathBuf) -> Result<StartConfig, String> {
     }.iter().flat_map(|a| a.to_socket_addrs()).flatten()
         .collect::<Vec<_>>();
     if nat_test_server.is_empty() {
-        return Err("NAT检测服务地址错误(NAT detection service address error)".to_string());
+        return Err(i18n::switch_nat_test_server_address_error());
     }
     println!("NAT探测服务器:{:?}", nat_test_server);
     let base_config = StartConfig {
@@ -294,6 +296,7 @@ pub fn read_config_file(config_path: PathBuf) -> Result<StartConfig, String> {
         #[cfg(any(unix))]
         off_command_server: args_config.off_command_server,
         log,
+        password:args_config.password
     };
     println!("========参数配置========");
     Ok(base_config)
@@ -331,7 +334,9 @@ pub struct ArgsConfig {
     pub off_command_server: bool,
     #[serde(default = "default_false")]
     pub log: bool,
+    pub password: Option<String>,
 }
+
 #[cfg(windows)]
 impl ArgsConfig {
     pub fn new(start_config: StartConfig) -> ArgsConfig {
@@ -343,7 +348,7 @@ impl ArgsConfig {
         }).collect::<Vec<String>>();
         ArgsConfig {
             tap: start_config.tap,
-            version: "1.0.5".to_string(),
+            version: "1.0.6".to_string(),
             token: start_config.token.to_string(),
             name: start_config.name.to_string(),
             server: start_config.server.to_string(),
@@ -354,9 +359,11 @@ impl ArgsConfig {
             log: start_config.log,
             #[cfg(any(unix))]
             off_command_server: start_config.off_command_server,
+            password: start_config.password,
         }
     }
 }
+
 #[cfg(windows)]
 fn subnet_mask_to_integer(subnet_mask: u32) -> u8 {
     let mut mask_bits = subnet_mask;
@@ -373,7 +380,7 @@ fn default_false() -> bool {
 }
 
 fn default_version() -> String {
-    "1.0".to_string()
+    "1.0.6".to_string()
 }
 
 fn default_str() -> String {
@@ -446,7 +453,7 @@ pub fn read_command_port() -> io::Result<u16> {
     if let Some(p) = config.command_port {
         Ok(p)
     } else {
-        Err(io::Error::new(io::ErrorKind::Other, "not fount config"))
+        Err(io::Error::new(io::ErrorKind::Other, "not found config"))
     }
 }
 

switch-desktop/src/i18n.rs

@@ -0,0 +1,214 @@
+#[cfg(target_os = "windows")]
+fn get_default_language() -> Option<String> {
+    use std::process::Command;
+    use std::str;
+
+    let output = Command::new("powershell")
+        .arg("-Command")
+        .arg("[System.Globalization.CultureInfo]::CurrentCulture.Name")
+        .output()
+        .ok()?;
+
+    let language_code = str::from_utf8(&output.stdout)
+        .ok()?
+        .trim()
+        .to_string();
+
+    Some(language_code)
+}
+
+pub fn init() {
+    #[cfg(target_os = "windows")]
+    {
+        if let Some(l) = get_default_language() {
+            rust_i18n::set_locale(&l);
+        }
+    }
+}
+
+pub fn switch_about() -> String {
+    rust_i18n::t!("switch_about")
+}
+
+pub fn switch_usage() -> String {
+    rust_i18n::t!("switch_usage")
+}
+
+pub fn switch_start_about() -> String {
+    rust_i18n::t!("switch_start_about")
+}
+
+pub fn switch_token_help() -> String {
+    rust_i18n::t!("switch_token_help")
+}
+
+pub fn switch_name_help() -> String {
+    rust_i18n::t!("switch_name_help")
+}
+
+pub fn switch_device_id_help() -> String {
+    rust_i18n::t!("switch_device_id_help")
+}
+
+pub fn switch_server_help() -> String {
+    rust_i18n::t!("switch_server_help")
+}
+
+pub fn switch_nat_test_server_help() -> String {
+    rust_i18n::t!("switch_nat_test_server_help")
+}
+
+pub fn switch_log_help() -> String {
+    rust_i18n::t!("switch_log_help")
+}
+
+pub fn switch_tap_help() -> String {
+    rust_i18n::t!("switch_tap_help")
+}
+
+pub fn switch_in_ip_help() -> String {
+    rust_i18n::t!("switch_in_ip_help")
+}
+
+pub fn switch_out_ip_help() -> String {
+    rust_i18n::t!("switch_out_ip_help")
+}
+pub fn switch_password_help() -> String {
+    rust_i18n::t!("switch_password_help")
+}
+
+pub fn switch_config_help() -> String {
+    rust_i18n::t!("switch_config_help")
+}
+
+pub fn switch_stop_about() -> String {
+    rust_i18n::t!("switch_stop_about")
+}
+
+pub fn switch_route_about() -> String {
+    rust_i18n::t!("switch_route_about")
+}
+
+pub fn switch_list_about() -> String {
+    rust_i18n::t!("switch_list_about")
+}
+
+pub fn switch_list_all_help() -> String {
+    rust_i18n::t!("switch_list_all_help")
+}
+
+pub fn switch_status_about() -> String {
+    rust_i18n::t!("switch_status_about")
+}
+
+#[cfg(windows)]
+pub fn switch_install_about() -> String {
+    rust_i18n::t!("switch_install_about")
+}
+
+#[cfg(windows)]
+pub fn switch_path_help() -> String {
+    rust_i18n::t!("switch_path_help")
+}
+
+#[cfg(windows)]
+pub fn switch_auto_help() -> String {
+    rust_i18n::t!("switch_auto_help")
+}
+
+#[cfg(windows)]
+pub fn switch_uninstall_about() -> String {
+    rust_i18n::t!("switch_uninstall_about")
+}
+
+#[cfg(windows)]
+pub fn switch_config_about() -> String {
+    rust_i18n::t!("switch_config_about")
+}
+
+#[cfg(windows)]
+pub fn switch_use_root_print() -> String {
+    rust_i18n::t!("switch_use_admin_print")
+}
+
+#[cfg(unix)]
+pub fn switch_use_root_print() -> String {
+    rust_i18n::t!("switch_use_root_print")
+}
+
+#[cfg(windows)]
+pub fn switch_service_not_start_print() -> String {
+    rust_i18n::t!("switch_service_not_start_print")
+}
+
+pub fn switch_start_successfully_print() -> String {
+    rust_i18n::t!("switch_start_successfully_print")
+}
+
+#[cfg(windows)]
+pub fn switch_start_failed_print() -> String {
+    rust_i18n::t!("switch_start_failed_print")
+}
+
+#[cfg(windows)]
+pub fn switch_service_not_stopped_print() -> String {
+    rust_i18n::t!("switch_service_not_stopped_print")
+}
+
+#[cfg(windows)]
+pub fn switch_server_already_installed_print() -> String {
+    rust_i18n::t!("switch_server_already_installed_print")
+}
+
+pub fn switch_repeated_start_print() -> String {
+    rust_i18n::t!("switch_repeated_start_print")
+}
+
+pub fn switch_stopped_print() -> String {
+    rust_i18n::t!("switch_stopped_print")
+}
+
+pub fn switch_token_not_found_print() -> String {
+    rust_i18n::t!("switch_token_not_found_print")
+}
+
+pub fn switch_token_cannot_be_empty_print() -> String {
+    rust_i18n::t!("switch_token_cannot_be_empty_print")
+}
+
+pub fn switch_token_cannot_exceed_64_print() -> String {
+    rust_i18n::t!("switch_token_cannot_exceed_64_print")
+}
+
+pub fn switch_device_id_is_empty_print() -> String {
+    rust_i18n::t!("switch_device_id_is_empty_print")
+}
+
+pub fn switch_in_ips_example_print() -> String {
+    rust_i18n::t!("switch_in_ips_example_print")
+}
+
+pub fn switch_out_ips_example_print() -> String {
+    rust_i18n::t!("switch_out_ips_example_print")
+}
+
+pub fn switch_relay_server_address_error() -> String {
+    rust_i18n::t!("switch_relay_server_address_error")
+}
+
+pub fn switch_nat_test_server_address_error() -> String {
+    rust_i18n::t!("switch_nat_test_server_address_error")
+}
+
+pub fn switch_press_any_key_to_exit() -> String {
+    rust_i18n::t!("switch_press_any_key_to_exit")
+}
+pub fn switch_virtual_ip() -> String {
+    rust_i18n::t!("switch_virtual_ip")
+}
+pub fn switch_virtual_gateway() -> String {
+    rust_i18n::t!("switch_virtual_gateway")
+}
+pub fn switch_please_enter_the_command() -> String {
+    rust_i18n::t!("switch_please_enter_the_command")
+}

switch-desktop/src/main.rs

@@ -11,10 +11,11 @@ mod command;
 mod config;
 #[cfg(target_os = "windows")]
 mod windows;
-
 #[cfg(any(unix))]
 mod unix;
 mod console_out;
+mod command_args;
+mod i18n;
 
 #[derive(Parser, Debug)]
 #[command(
@@ -60,7 +61,7 @@ enum Commands {
     Status,
 }
 
-#[derive(Parser, Debug,Default)]
+#[derive(Parser, Debug, Default)]
 pub struct StartArgs {
     /// 不超过64个字符
     /// 相同token的设备之间才能通信。
@@ -101,15 +102,18 @@ pub struct StartArgs {
     /// 配置点对网时使用，--in-ip 192.168.10.0/24,10.26.0.3，表示允许接收网段192.168.10.0/24的数据并转发到10.26.0.3
     /// Use when configuring peer-to-peer networks
     #[arg(long)]
-    in_ip:Option<Vec<String>>,
+    in_ip: Option<Vec<String>>,
     /// 配置点对网时使用，--out-ip 192.168.10.0/24,192.168.1.10，表示允许目标为192.168.10.0/24的数据从网卡192.168.1.10转发出去
     /// Use when configuring peer-to-peer networks
     #[arg(long)]
-    out_ip:Option<Vec<String>>,
+    out_ip: Option<Vec<String>>,
+    /// 客户端数据加密
+    #[arg(long)]
+    password:Option<String>,
     /// 读取配置文件 --config config_file_path
     /// Read configuration file
     #[arg(long)]
-    config:Option<String>,
+    config: Option<String>,
 }
 
 #[cfg(target_os = "windows")]
@@ -134,10 +138,14 @@ pub struct ConfigArgs {
     auto: bool,
 }
 
+#[macro_use]
+extern crate rust_i18n;
+i18n!("locales", fallback = "en");
+
 
 #[cfg(windows)]
-#[tokio::main]
-async fn main() {
+fn main() {
+    i18n::init();
     let args: Vec<_> = std::env::args().collect();
     if args.len() == 3 && args[1] == windows::SERVICE_FLAG {
         //以服务的方式启动
@@ -145,13 +153,16 @@ async fn main() {
         windows::service::start();
         return;
     } else {
+        if !command_args::check() {
+            return;
+        }
         let args = BaseArgs::parse();
         if let Commands::Start(start_args) = &args.command {
             if start_args.log {
                 let _ = log_init();
             }
         }
-        windows::main0(args).await;
+        windows::main0(args);
     }
 }
 
@@ -177,27 +188,21 @@ async fn main() {
 pub fn console_listen(switch: &Switch) {
     use console::Term;
     let term = Term::stdout();
-    println!("{}", style("启动成功 started").green());
+    println!("{}", style(i18n::switch_start_successfully_print()).green());
     let current_device = switch.current_device();
-    println!(
-        "当前虚拟ip(virtual ip): {:?}",
-        style(current_device.virtual_ip()).green()
-    );
-    println!(
-        "虚拟网关(virtual gateway): {:?}",
-        style(current_device.virtual_gateway()).green()
-    );
+    println!("{}: {:?}", i18n::switch_virtual_ip(), style(current_device.virtual_ip()).green());
+    println!("{}: {:?}", i18n::switch_virtual_gateway(), style(current_device.virtual_gateway()).green());
     loop {
         println!(
             "{}",
-            style("Please enter the command (Usage: list,status,exit,help):").color256(102)
+            style(i18n::switch_please_enter_the_command()).color256(102)
         );
         match term.read_line() {
             Ok(cmd) => {
                 #[cfg(unix)]
                 if cmd.is_empty() {
                     use libc::{STDIN_FILENO, isatty};
-                    if !unsafe { isatty(STDIN_FILENO) != 0 }{
+                    if !unsafe { isatty(STDIN_FILENO) != 0 } {
                         return;
                     }
                 }
@@ -252,7 +257,7 @@ fn command(cmd: &str, switch: &Switch) -> Result<(), ()> {
             return Err(());
         }
         _ => {
-            println!("command '{}' not fount. ", style(cmd).red());
+            println!("command '{}' not found. ", style(cmd).red());
             println!("Try to enter: '{}'", style("help").green());
         }
     }

switch-desktop/src/unix/mod.rs

@@ -45,6 +45,7 @@ pub async fn main0(base_args: BaseArgs) {
                 start_config.nat_test_server.clone(),
                 start_config.in_ips.clone(),
                 start_config.out_ips.clone(),
+                start_config.password.clone(),
             );
             let lock = match config::lock_file() {
                 Ok(lock) => {

switch-desktop/src/windows/mod.rs

@@ -14,7 +14,7 @@ use windows_service::service_manager::{ServiceManager, ServiceManagerAccess};
 
 use switch::core::{Config, Switch};
 
-use crate::{BaseArgs, Commands, config};
+use crate::{BaseArgs, Commands, config, i18n};
 use crate::command::{command, CommandEnum};
 
 pub mod service;
@@ -28,7 +28,7 @@ fn admin_check() -> bool {
     if !windows_admin_check::is_app_elevated() {
         println!(
             "{}",
-            style("请使用管理员权限运行(Please run with administrator privileges)").red()
+            style(i18n::switch_use_root_print()).red()
         );
         true
     } else {
@@ -42,7 +42,7 @@ fn not_started() -> bool {
             if state == ServiceState::Running {
                 return false;
             } else {
-                println!("服务未启动")
+                println!("{}", i18n::switch_service_not_start_print())
             }
         }
         Err(e) => {
@@ -52,7 +52,7 @@ fn not_started() -> bool {
     return true;
 }
 
-pub async fn main0(base_args: BaseArgs) {
+pub fn main0(base_args: BaseArgs) {
     match base_args.command {
         Commands::Start(args) => {
             if admin_check() {
@@ -92,15 +92,15 @@ pub async fn main0(base_args: BaseArgs) {
                             Ok(_) => {
                                 //需要检查启动状态
                                 thread::sleep(Duration::from_secs(2));
-                                println!("{}", style("启动成功(Start successfully)").green());
+                                println!("{}", style(i18n::switch_start_successfully_print()).green());
                             }
                             Err(e) => {
                                 log::error!("{:?}", e);
-                                println!("{}:{}", style("启动失败").red(),e);
+                                println!("{}:{}", style(i18n::switch_start_failed_print()).red(), e);
                             }
                         }
                     } else {
-                        println!("服务未停止(Service not stopped)");
+                        println!("{}", i18n::switch_service_not_stopped_print());
                     }
                 }
                 Err(e) => {
@@ -118,6 +118,7 @@ pub async fn main0(base_args: BaseArgs) {
                                         start_config.nat_test_server,
                                         start_config.in_ips,
                                         start_config.out_ips,
+                                        start_config.password,
                                     );
                                     let lock = match config::lock_file() {
                                         Ok(lock) => {
@@ -130,18 +131,20 @@ pub async fn main0(base_args: BaseArgs) {
                                         }
                                     };
                                     if lock.try_lock_exclusive().is_err() {
-                                        println!("{}", style("文件被重复打开").red());
+                                        println!("{}", style(i18n::switch_repeated_start_print()).red());
                                         return;
                                     }
-                                    match Switch::start(config).await {
-                                        Ok(switch) => {
-                                            crate::console_listen(&switch);
+                                    tokio::runtime::Builder::new_multi_thread().enable_all().build().unwrap().block_on(async move {
+                                        match Switch::start(config).await {
+                                            Ok(switch) => {
+                                                crate::console_listen(&switch);
+                                            }
+                                            Err(e) => {
+                                                log::error!("{:?}", e);
+                                                println!("启动switch失败:{:?}", e);
+                                            }
                                         }
-                                        Err(e) => {
-                                            log::error!("{:?}", e);
-                                            println!("启动switch失败:{:?}", e);
-                                        }
-                                    }
+                                    });
                                     lock.unlock().unwrap();
                                     return;
                                 }
@@ -163,11 +166,11 @@ pub async fn main0(base_args: BaseArgs) {
             }
             match stop() {
                 Ok(_) => {
-                    println!("{}", style("停止成功(Stopped successfully)").green())
+                    println!("{}", style(i18n::switch_stopped_print()).green())
                 }
                 Err(e) => {
                     log::error!("{:?}", e);
-                    println!("停止失败:{}",e);
+                    println!("停止失败:{}", e);
                 }
             }
             pause();
@@ -176,6 +179,10 @@ pub async fn main0(base_args: BaseArgs) {
             if admin_check() {
                 return;
             }
+            if service_state().is_ok() {
+                println!("{}", i18n::switch_server_already_installed_print());
+                return;
+            }
             let path: PathBuf = args.path.into();
             if !path.exists() {
                 std::fs::create_dir_all(&path).unwrap();
@@ -185,7 +192,7 @@ pub async fn main0(base_args: BaseArgs) {
             } else {
                 if let Err(e) = install(path, args.auto) {
                     log::error!("{:?}", e);
-                    println!("安装失败:{}",e);
+                    println!("安装失败:{}", e);
                 } else {
                     println!("{}", style("安装成功(Installation succeeded)").green())
                 }
@@ -196,18 +203,24 @@ pub async fn main0(base_args: BaseArgs) {
             if admin_check() {
                 return;
             }
+            if service_state().is_err() {
+                println!("服务未安装");
+            }
             if let Err(e) = uninstall() {
                 log::error!("{:?}", e);
-                println!("卸载失败:{}",e);
+                println!("卸载失败:{}", e);
             } else {
                 println!("{}", style("卸载成功(Uninstall succeeded)").green())
             }
             pause();
         }
         Commands::Config(args) => {
+            if service_state().is_err() {
+                println!("服务未安装");
+            }
             if let Err(e) = change(args.auto) {
                 log::error!("{:?}", e);
-                println!("配置失败:{}",e);
+                println!("配置失败:{}", e);
             } else {
                 println!("{}", style("配置成功(Config succeeded)").green())
             }
@@ -241,7 +254,7 @@ pub async fn main0(base_args: BaseArgs) {
 fn pause() {
     println!(
         "{}",
-        style("按任意键退出(Press any key to exit)...").green()
+        style(i18n::switch_press_any_key_to_exit()).green()
     );
     use console::Term;
     let term = Term::stdout();
@@ -249,7 +262,7 @@ fn pause() {
 }
 
 fn install(mut path: PathBuf, auto: bool) -> Result<(), Error> {
-    if !path.is_absolute(){
+    if !path.is_absolute() {
         path = path.canonicalize().unwrap();
     }
     let manager_access = ServiceManagerAccess::CONNECT | ServiceManagerAccess::CREATE_SERVICE;
@@ -259,7 +272,7 @@ fn install(mut path: PathBuf, auto: bool) -> Result<(), Error> {
     std::fs::copy(current_exe_path, service_path.as_path()).unwrap();
     if let Err(e) = std::fs::copy("wintun.dll", path.join("wintun.dll").as_path()) {
         if e.kind() == io::ErrorKind::NotFound {
-            println!("Not fount 'wintun.dll'. Please put 'wintun.dll' in the current directory");
+            println!("'wintun.dll' not found. Please put 'wintun.dll' in the current directory");
             std::process::exit(0);
         } else {
             panic!("{:?}", e)
@@ -318,7 +331,7 @@ fn change(auto: bool) -> Result<(), Error> {
         PathBuf::from(executable_path)
     };
     let home_path = split.next().unwrap().trim();
-    let launch_arguments = vec![OsString::from(SERVICE_FLAG),OsString::from(home_path)];
+    let launch_arguments = vec![OsString::from(SERVICE_FLAG), OsString::from(home_path)];
     let service_info = ServiceInfo {
         name: OsString::from(SERVICE_NAME),
         display_name: config.display_name,

switch-desktop/src/windows/service.rs

@@ -73,7 +73,6 @@ async fn service_main(arguments: Vec<OsString>) -> windows_service::Result<()> {
     match start_switch(arguments).await {
         Ok(_) => {
             parker.park();
-
         }
         Err(e) => {
             log::error!("服务启动失败 {:?}",e);
@@ -96,7 +95,6 @@ fn auto_config_path() -> io::Result<PathBuf> {
 
 fn save_auto_config(start_config: config::StartConfig) -> io::Result<()> {
     let mut file = std::fs::File::create(auto_config_path()?)?;
-    log::error!("auto_config_path()?  {:?}",auto_config_path()?);
     let config = config::ArgsConfig::new(start_config);
     match serde_yaml::to_string(&config) {
         Ok(yaml) => {
@@ -172,12 +170,13 @@ async fn start_switch(arguments: Vec<OsString>) -> switch::Result<()> {
         start_config.nat_test_server,
         start_config.in_ips,
         start_config.out_ips,
+        start_config.password,
     );
     log::info!("switch-service服务启动");
 
 
-    tokio::spawn(async move  {
-         match Switch::start(config).await {
+    tokio::spawn(async move {
+        match Switch::start(config).await {
             Ok(switch) => {
                 let switch = Arc::new(switch);
                 let command_server = crate::command::server::CommandServer::new();
@@ -192,7 +191,6 @@ async fn start_switch(arguments: Vec<OsString>) -> switch::Result<()> {
                 log::error!("{:?}", e);
             }
         };
-
     });
     Ok(())
 }

switch/Cargo.toml

@@ -1,13 +1,12 @@
 [package]
 name = "switch"
-version = "1.0.2"
+version = "1.0.6"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
 packet = { path = "./packet" }
-p2p_channel = { path = "./p2p_channel" }
 bytes = "1.3.0"
 log = "0.4.17"
 libc = "0.2.137"
@@ -20,11 +19,12 @@ parking_lot = "0.12.1"
 rsa = "0.7.2"
 rand = "0.8.5"
 sha2 = { version = "0.10.6", features = ["oid"] }
+aes-gcm = "0.10.2"
 
 thiserror = "1.0.37"
 chrono = "0.4.23"
 #lazy_static = "1.4.0"
-#moka = "0.9.6"
+moka = "0.9.6"
 protobuf = "3.2.0"
 #local-ip-address = "0.4.9"
 socket2 ={ version = "0.5.2", features = ["all"] }

switch/packet/Cargo.toml

@@ -7,4 +7,3 @@ edition = "2021"
 
 [dependencies]
 byteorder = "1.4.3"
-thiserror = "1.0.37"

switch/packet/src/arp/arp.rs

@@ -1,4 +1,4 @@
-use std::fmt;
+use std::{fmt, io};
 
 /// 地址解析协议，由IP地址找到MAC地址
 /// https://www.ietf.org/rfc/rfc6747.txt
@@ -9,7 +9,6 @@ use std::fmt;
   |          源MAC地址                  |    源ip地址    |
   |          目的MAC地址                 |   目的ip地址   |
  */
-use crate::error::*;
 
 pub struct ArpPacket<B> {
     buffer: B,
@@ -19,9 +18,9 @@ impl<B: AsRef<[u8]>> ArpPacket<B> {
     pub fn unchecked(buffer: B) -> Self {
         Self { buffer }
     }
-    pub fn new(buffer: B) -> Result<Self> {
+    pub fn new(buffer: B) -> io::Result<Self> {
         if buffer.as_ref().len() != 28 {
-            Err(Error::InvalidPacket)?
+            Err(io::Error::from(io::ErrorKind::InvalidData))?;
         }
         let packet = Self::unchecked(buffer);
         Ok(packet)

switch/packet/src/error.rs

@@ -1,25 +0,0 @@
-use thiserror::Error;
-
-#[derive(Error, Debug)]
-pub enum Error {
-    #[error("the buffer is too small")]
-    SmallBuffer,
-
-    #[error("the packet is invalid")]
-    InvalidPacket,
-    #[error("Unimplemented")]
-    Unimplemented,
-    // #[error("the vaue is invalid for the field")]
-    // InvalidValue,
-    //
-    // #[error("the value has already been defined")]
-    // AlreadyDefined,
-    //
-    // #[error(transparent)]
-    // Io(#[from] io::Error),
-    //
-    // #[error(transparent)]
-    // Nul(#[from] ffi::NulError),
-}
-
-pub type Result<T> = ::std::result::Result<T, Error>;

switch/packet/src/ethernet/packet.rs

@@ -1,5 +1,4 @@
-use std::fmt;
-use crate::error::*;
+use std::{fmt, io};
 use crate::ethernet::protocol::Protocol;
 
 /// 以太网帧协议
@@ -18,11 +17,11 @@ impl<B: AsRef<[u8]>> EthernetPacket<B> {
         EthernetPacket { buffer }
     }
 
-    pub fn new(buffer: B) -> Result<EthernetPacket<B>> {
+    pub fn new(buffer: B) -> io::Result<EthernetPacket<B>> {
         let packet = EthernetPacket::unchecked(buffer);
         //头部固定14位
         if packet.buffer.as_ref().len() < 14 {
-            Err(Error::SmallBuffer)?
+            Err(io::Error::from(io::ErrorKind::InvalidData))?;
         }
 
         Ok(packet)

switch/packet/src/icmp/icmp.rs

@@ -1,9 +1,9 @@
-use std::fmt;
-
+use std::{fmt, io};
 use byteorder::{BigEndian, ReadBytesExt};
-
 use crate::cal_checksum;
-use crate::error::*;
+use crate::icmp::{Code, Kind};
+use crate::ip::ipv4::packet::IpV4Packet;
+
 /// icmp 协议
 /*  https://www.rfc-editor.org/rfc/rfc792
    0                   1                   2                   3
@@ -17,8 +17,6 @@ use crate::error::*;
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 
 */
-use crate::icmp::{Code, Kind};
-use crate::ip::ipv4::packet::IpV4Packet;
 
 pub struct IcmpPacket<B> {
     pub buffer: B,
@@ -28,9 +26,9 @@ impl<B: AsRef<[u8]>> IcmpPacket<B> {
     pub fn unchecked(buffer: B) -> Self {
         Self { buffer }
     }
-    pub fn new(buffer: B) -> Result<Self> {
+    pub fn new(buffer: B) -> io::Result<Self> {
         if buffer.as_ref().len() < 8 {
-            Err(Error::SmallBuffer)?
+            Err(io::Error::from(io::ErrorKind::InvalidData))?;
         }
         let packet = Self::unchecked(buffer);
         Ok(packet)
@@ -56,9 +54,7 @@ impl<B: AsRef<[u8]>> IcmpPacket<B> {
         Code::from(self.kind(), self.buffer.as_ref()[1])
     }
     pub fn checksum(&self) -> u16 {
-        (&self.buffer.as_ref()[2..])
-            .read_u16::<BigEndian>()
-            .unwrap()
+        u16::from_be_bytes(self.buffer.as_ref()[2..4].try_into().unwrap())
     }
     pub fn is_valid(&self) -> bool {
         self.checksum() == 0 || cal_checksum(self.buffer.as_ref()) == 0
@@ -71,12 +67,8 @@ impl<B: AsRef<[u8]>> IcmpPacket<B> {
             | Kind::TimestampReply
             | Kind::InformationRequest
             | Kind::InformationReply => {
-                let ide = (&self.buffer.as_ref()[4..])
-                    .read_u16::<BigEndian>()
-                    .unwrap();
-                let seq = (&self.buffer.as_ref()[6..])
-                    .read_u16::<BigEndian>()
-                    .unwrap();
+                let ide =u16::from_be_bytes(self.buffer.as_ref()[4..6].try_into().unwrap());
+                let seq = u16::from_be_bytes(self.buffer.as_ref()[6..8].try_into().unwrap());
                 HeaderOther::Identifier(ide, seq)
             }
             Kind::DestinationUnreachable | Kind::TimeExceeded | Kind::SourceQuench => {
@@ -110,6 +102,7 @@ impl<B: AsRef<[u8]>> IcmpPacket<B> {
             },
             Kind::TimestampRequest | Kind::TimestampReply => {
                 let mut buffer = Cursor::new(self.payload());
+
                 Description::Timestamp(
                     buffer.read_u32::<BigEndian>().unwrap(),
                     buffer.read_u32::<BigEndian>().unwrap(),
@@ -128,11 +121,11 @@ impl<B: AsRef<[u8]>> fmt::Debug for IcmpPacket<B> {
         } else {
             "icmp::Packet!"
         })
-        .field("kind", &self.kind())
-        .field("code", &self.code())
-        .field("checksum", &self.checksum())
-        .field("payload", &self.payload())
-        .finish()
+            .field("kind", &self.kind())
+            .field("code", &self.code())
+            .field("checksum", &self.checksum())
+            .field("payload", &self.payload())
+            .finish()
     }
 }
 

switch/packet/src/igmp/igmp_v1.rs

@@ -0,0 +1,117 @@
+use std::{fmt, io};
+use std::net::Ipv4Addr;
+use crate::cal_checksum;
+
+/// igmp v1
+/* https://datatracker.ietf.org/doc/html/rfc1112
+       0                   1                   2                   3
+       0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |Version| Type  |    Unused     |           Checksum            |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |                         Group Address                         |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+/// v1版本的报文
+pub struct IgmpV1Packet<B> {
+    pub buffer: B,
+}
+
+#[derive(Debug, Copy, Clone, Eq, PartialEq)]
+pub enum IgmpV1Type {
+    /// 0x11 所有组224.0.0.1或者特定组
+    Query,
+    /// 0x12
+    ReportV1,
+    Unknown(u8),
+}
+
+impl From<u8> for IgmpV1Type {
+    fn from(value: u8) -> IgmpV1Type {
+        use self::IgmpV1Type::*;
+
+        match value {
+            0x11 => Query,
+            0x12 => ReportV1,
+            v => Unknown(v),
+        }
+    }
+}
+
+impl Into<u8> for IgmpV1Type {
+    fn into(self) -> u8 {
+        match self {
+            IgmpV1Type::Query => 0x11,
+            IgmpV1Type::ReportV1 => 0x12,
+            IgmpV1Type::Unknown(v) => v
+        }
+    }
+}
+
+impl<B: AsRef<[u8]>> IgmpV1Packet<B> {
+    pub fn unchecked(buffer: B) -> Self {
+        Self { buffer }
+    }
+    pub fn new(buffer: B) -> io::Result<Self> {
+        if buffer.as_ref().len() != 8 {
+            Err(io::Error::from(io::ErrorKind::InvalidData))
+        } else {
+            let packet = Self::unchecked(buffer);
+            Ok(packet)
+        }
+    }
+}
+
+impl<B: AsRef<[u8]>> IgmpV1Packet<B> {
+    pub fn version(&self) -> u8 {
+        self.buffer.as_ref()[0] >> 4
+    }
+    pub fn igmp_type(&self) -> IgmpV1Type {
+        IgmpV1Type::from(self.buffer.as_ref()[0] & 0x0F)
+    }
+    pub fn unused(&self) -> u8 {
+        self.buffer.as_ref()[1]
+    }
+    pub fn checksum(&self) -> u16 {
+        u16::from_be_bytes(self.buffer.as_ref()[2..4].try_into().unwrap())
+    }
+    pub fn is_valid(&self) -> bool {
+        self.checksum() == 0 || cal_checksum(self.buffer.as_ref()) == 0
+    }
+    pub fn group_address(&self) -> Ipv4Addr {
+        let tmp: [u8; 4] = self.buffer.as_ref()[4..8].try_into().unwrap();
+        Ipv4Addr::from(tmp)
+    }
+}
+
+impl<B: AsRef<[u8]> + AsMut<[u8]>> IgmpV1Packet<B> {
+    pub fn set_version(&mut self, version: u8) {
+        self.buffer.as_mut()[0] = (version << 4) | 0x0F & self.buffer.as_mut()[0]
+    }
+    pub fn set_type(&mut self, igmp_type: IgmpV1Type) {
+        let t: u8 = igmp_type.into();
+        self.buffer.as_mut()[0] = self.buffer.as_mut()[0] & 0xF0 | t
+    }
+    pub fn set_checksum(&mut self, checksum: u16) {
+        self.buffer.as_mut()[2..4].copy_from_slice(&checksum.to_be_bytes());
+    }
+    pub fn update_checksum(&mut self) {
+        self.set_checksum(0);
+        self.set_checksum(cal_checksum(self.buffer.as_ref()));
+    }
+    pub fn set_group_address(&mut self, group_address: Ipv4Addr) {
+        self.buffer.as_mut()[4..8].copy_from_slice(&group_address.octets());
+    }
+}
+
+impl<B: AsRef<[u8]>> fmt::Debug for IgmpV1Packet<B> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_struct("igmp::V1")
+            .field("version", &self.version())
+            .field("type", &self.igmp_type())
+            .field("checksum", &self.checksum())
+            .field("is_valid", &self.is_valid())
+            .field("group_address", &self.group_address())
+            .finish()
+    }
+}

switch/packet/src/igmp/igmp_v2.rs

@@ -0,0 +1,118 @@
+use std::{fmt, io};
+use std::net::Ipv4Addr;
+use crate::cal_checksum;
+
+/// igmp v2
+/* https://www.rfc-editor.org/rfc/rfc2236.html
+
+    0                   1                   2                   3
+    0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+   |      Type     | Max Resp Time |           Checksum            |
+   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+   |                         Group Address                         |
+   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+
+/// v2版本的报文
+pub struct IgmpV2Packet<B> {
+    pub buffer: B,
+}
+
+#[derive(Debug, Copy, Clone, Eq, PartialEq)]
+pub enum IgmpV2Type {
+    /// 0x11 所有组224.0.0.1或者特定组
+    Query,
+    /// 0x16
+    ReportV2,
+    LeaveV2,
+    Unknown(u8),
+}
+
+impl From<u8> for IgmpV2Type {
+    fn from(value: u8) -> IgmpV2Type {
+        use self::IgmpV2Type::*;
+
+        match value {
+            0x11 => Query,
+            0x16 => ReportV2,
+            0x17 => LeaveV2,
+            v => Unknown(v),
+        }
+    }
+}
+
+impl Into<u8> for IgmpV2Type {
+    fn into(self) -> u8 {
+        match self {
+            IgmpV2Type::Query => 0x11,
+            IgmpV2Type::ReportV2 => 0x16,
+            IgmpV2Type::LeaveV2 => 0x17,
+            IgmpV2Type::Unknown(v) => v
+        }
+    }
+}
+
+impl<B: AsRef<[u8]>> IgmpV2Packet<B> {
+    pub fn unchecked(buffer: B) -> Self {
+        Self { buffer }
+    }
+    pub fn new(buffer: B) -> io::Result<Self> {
+        if buffer.as_ref().len() != 8 {
+            Err(io::Error::from(io::ErrorKind::InvalidData))
+        } else {
+            let packet = Self::unchecked(buffer);
+            Ok(packet)
+        }
+    }
+}
+
+impl<B: AsRef<[u8]>> IgmpV2Packet<B> {
+    pub fn igmp_type(&self) -> IgmpV2Type {
+        IgmpV2Type::from(self.buffer.as_ref()[0])
+    }
+    pub fn max_resp_time(&self) -> u8 {
+        self.buffer.as_ref()[1]
+    }
+    pub fn checksum(&self) -> u16 {
+        u16::from_be_bytes(self.buffer.as_ref()[2..4].try_into().unwrap())
+    }
+    pub fn is_valid(&self) -> bool {
+        self.checksum() == 0 || cal_checksum(self.buffer.as_ref()) == 0
+    }
+    pub fn group_address(&self) -> Ipv4Addr {
+        let tmp: [u8; 4] = self.buffer.as_ref()[4..8].try_into().unwrap();
+        Ipv4Addr::from(tmp)
+    }
+}
+
+impl<B: AsRef<[u8]> + AsMut<[u8]>> IgmpV2Packet<B> {
+    pub fn set_type(&mut self, igmp_type: IgmpV2Type) {
+        self.buffer.as_mut()[0] = igmp_type.into()
+    }
+    pub fn set_max_resp_time(&mut self, resp: u8) {
+        self.buffer.as_mut()[1] = resp
+    }
+    pub fn set_checksum(&mut self, checksum: u16) {
+        self.buffer.as_mut()[2..4].copy_from_slice(&checksum.to_be_bytes());
+    }
+    pub fn update_checksum(&mut self) {
+        self.set_checksum(0);
+        self.set_checksum(cal_checksum(self.buffer.as_ref()));
+    }
+    pub fn set_group_address(&mut self, group_address: Ipv4Addr) {
+        self.buffer.as_mut()[4..8].copy_from_slice(&group_address.octets());
+    }
+}
+
+impl<B: AsRef<[u8]>> fmt::Debug for IgmpV2Packet<B> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_struct("igmp::V2")
+            .field("type", &self.igmp_type())
+            .field("max_resp_time", &self.max_resp_time())
+            .field("checksum", &self.checksum())
+            .field("is_valid", &self.is_valid())
+            .field("group_address", &self.group_address())
+            .finish()
+    }
+}

switch/packet/src/igmp/igmp_v3.rs

@@ -0,0 +1,491 @@
+use std::{fmt, io};
+use std::net::Ipv4Addr;
+
+use crate::cal_checksum;
+
+/// igmp v3
+/* https://www.rfc-editor.org/rfc/rfc3376
+Query:
+       0                   1                   2                   3
+       0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |  Type = 0x11  | Max Resp Code |           Checksum            |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |                         Group Address                         |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      | Resv  |S| QRV |     QQIC      |     Number of Sources (N)     |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |                       Source Address [1]                      |
+      +-                                                             -+
+      |                       Source Address [2]                      |
+      +-                              .                              -+
+      .                               .                               .
+      .                               .                               .
+      +-                                                             -+
+      |                       Source Address [N]                      |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+-----------------------------------------------------------------------------
+
+Report:
+       0                   1                   2                   3
+       0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |  Type = 0x22  |    Reserved   |           Checksum            |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |           Reserved            |  Number of Group Records (M)  |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |                                                               |
+      .                                                               .
+      .                        Group Record [1]                       .
+      .                                                               .
+      |                                                               |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |                                                               |
+      .                                                               .
+      .                        Group Record [2]                       .
+      .                                                               .
+      |                                                               |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |                               .                               |
+      .                               .                               .
+      |                               .                               |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |                                                               |
+      .                                                               .
+      .                        Group Record [M]                       .
+      .                                                               .
+      |                                                               |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+Group Record:
+
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |  Record Type  |  Aux Data Len |     Number of Sources (N)     |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |                       Multicast Address                       |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |                       Source Address [1]                      |
+      +-                                                             -+
+      |                       Source Address [2]                      |
+      +-                                                             -+
+      .                               .                               .
+      .                               .                               .
+      .                               .                               .
+      +-                                                             -+
+      |                       Source Address [N]                      |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |                                                               |
+      .                                                               .
+      .                         Auxiliary Data                        .
+      .                                                               .
+      |                                                               |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+Record Type:
+    1    MODE_IS_INCLUDE 表示主机希望加入指定组播组并指定了一个或多个源地址
+    2    MODE_IS_EXCLUDE 表示主机希望加入指定组播组但排除了一个或多个源地址
+    3    CHANGE_TO_INCLUDE_MODE 表示主机正在将组播组的过滤模式从排除切换为包括，指定了一个或多个源地址
+    4    CHANGE_TO_EXCLUDE_MODE 表示主机正在将组播组的过滤模式从包括切换为排除，指定了一个或多个源地址
+    5    ALLOW_NEW_SOURCES 表示主机希望在已有的源地址列表中添加新的源地址，指定了一个或多个源地址
+    6    BLOCK_OLD_SOURCES 表示主机希望在已有的源地址列表中删除旧的源地址，指定了一个或多个源地址
+ */
+#[derive(Debug, Copy, Clone, Eq, PartialEq)]
+pub enum IgmpV3Type {
+    /// 0x11 所有组224.0.0.1或者特定组
+    Query,
+    /// 0x22
+    ReportV3,
+    Unknown(u8),
+}
+
+impl From<u8> for IgmpV3Type {
+    fn from(value: u8) -> IgmpV3Type {
+        use self::IgmpV3Type::*;
+
+        match value {
+            0x11 => Query,
+            0x22 => ReportV3,
+            v => Unknown(v),
+        }
+    }
+}
+
+impl Into<u8> for IgmpV3Type {
+    fn into(self) -> u8 {
+        match self {
+            IgmpV3Type::Query => 0x11,
+            IgmpV3Type::ReportV3 => 0x22,
+            IgmpV3Type::Unknown(v) => v
+        }
+    }
+}
+
+#[derive(Debug, Copy, Clone, Eq, PartialEq)]
+pub enum IgmpV3RecordType {
+    //1    MODE_IS_INCLUDE 表示主机希望加入指定组播组并指定了一个或多个源地址
+    ModeIsInclude,
+    //2    MODE_IS_EXCLUDE 表示主机希望加入指定组播组但排除了一个或多个源地址
+    ModeIsExclude,
+    //3    CHANGE_TO_INCLUDE_MODE 表示主机正在将组播组的过滤模式从排除切换为包括，指定了一个或多个源地址
+    ChangeToIncludeMode,
+    //4    CHANGE_TO_EXCLUDE_MODE 表示主机正在将组播组的过滤模式从包括切换为排除，指定了一个或多个源地址
+    ChangeToExcludeMode,
+    //5    ALLOW_NEW_SOURCES 表示主机希望在已有的源地址列表中添加新的源地址，指定了一个或多个源地址
+    AllowNewSources,
+    //6    BLOCK_OLD_SOURCES 表示主机希望在已有的源地址列表中删除旧的源地址，指定了一个或多个源地址
+    BlockOldSources,
+    Unknown(u8),
+}
+
+impl From<u8> for IgmpV3RecordType {
+    fn from(value: u8) -> IgmpV3RecordType {
+        use self::IgmpV3RecordType::*;
+
+        match value {
+            1 => ModeIsInclude,
+            2 => ModeIsExclude,
+            3 => ChangeToIncludeMode,
+            4 => ChangeToExcludeMode,
+            5 => AllowNewSources,
+            6 => BlockOldSources,
+            v => Unknown(v),
+        }
+    }
+}
+
+impl Into<u8> for IgmpV3RecordType {
+    fn into(self) -> u8 {
+        use self::IgmpV3RecordType::*;
+
+        match self {
+            ModeIsInclude => 1,
+            ModeIsExclude => 2,
+            ChangeToIncludeMode => 3,
+            ChangeToExcludeMode => 4,
+            AllowNewSources => 5,
+            BlockOldSources => 6,
+            Unknown(v) => v,
+        }
+    }
+}
+
+/// v3版本的query报文
+pub struct IgmpV3QueryPacket<B> {
+    pub buffer: B,
+}
+
+impl<B: AsRef<[u8]>> IgmpV3QueryPacket<B> {
+    pub fn unchecked(buffer: B) -> Self {
+        Self { buffer }
+    }
+    pub fn new(buffer: B) -> io::Result<Self> {
+        if buffer.as_ref().len() < 12 {
+            Err(io::Error::from(io::ErrorKind::InvalidData))
+        } else {
+            let packet = Self::unchecked(buffer);
+            Ok(packet)
+        }
+    }
+}
+
+impl<B: AsRef<[u8]> + AsMut<[u8]>> IgmpV3QueryPacket<B> {
+    pub fn set_igmp_type(&mut self) {
+        self.buffer.as_mut()[0] = IgmpV3Type::Query.into();
+    }
+    pub fn set_max_resp_code(&mut self, code: u8) {
+        self.buffer.as_mut()[1] = code;
+    }
+    pub fn set_group_address(&mut self, addr: Ipv4Addr) {
+        self.buffer.as_mut()[4..8].copy_from_slice(&addr.octets())
+    }
+    pub fn set_checksum(&mut self, checksum: u16) {
+        self.buffer.as_mut()[2..4].copy_from_slice(&checksum.to_be_bytes())
+    }
+    pub fn set_qrv(&mut self, qrv: u8) {
+        self.buffer.as_mut()[8] = (self.buffer.as_ref()[8]&(!0x07)) | (qrv & 0x07)
+    }
+    pub fn set_qqic(&mut self, qqic: u8) {
+        self.buffer.as_mut()[9] = qqic
+    }
+
+    pub fn update_checksum(&mut self) {
+        self.set_checksum(0);
+        let checksum = cal_checksum(self.buffer.as_ref());
+        self.set_checksum(checksum);
+    }
+}
+
+impl<B: AsRef<[u8]>> IgmpV3QueryPacket<B> {
+    pub fn igmp_type(&self) -> IgmpV3Type {
+        IgmpV3Type::from(self.buffer.as_ref()[0])
+    }
+    pub fn max_resp_code(&self) -> u8 {
+        self.buffer.as_ref()[1]
+    }
+    pub fn checksum(&self) -> u16 {
+        u16::from_be_bytes(self.buffer.as_ref()[2..4].try_into().unwrap())
+    }
+    pub fn is_valid(&self) -> bool {
+        self.checksum() == 0 || cal_checksum(self.buffer.as_ref()) == 0
+    }
+    pub fn group_address(&self) -> Ipv4Addr {
+        let tmp: [u8; 4] = self.buffer.as_ref()[4..8].try_into().unwrap();
+        Ipv4Addr::from(tmp)
+    }
+    /// 保留字段，设置为0
+    pub fn resv(&self) -> u8 {
+        self.buffer.as_ref()[8] >> 4
+    }
+    /// 标志位
+    /// 该比特位为1时，所有收到此查询报文的其他路由器不启动定时器刷新过程，但是此查询报文并不抑制查询者选举过程和路由器的主机侧处理过程；默认未置位。
+    pub fn s(&self) -> u8 {
+        (self.buffer.as_ref()[8] & 0x0F) >> 3
+    }
+    /// 查询者向网络通告的健壮系数
+    /// 此参数可使查询者使用自己的健壮系统同步其他组播路由器的健壮系数；
+    /// 其他路由器接收到查询报文时，如果发现该字段非0,则将自己的健壮系数调整为该字段的值;如果发现该字段为0，则不做处理。默认健壮系数值为2。
+    pub fn qrv(&self) -> u8 {
+        self.buffer.as_ref()[8] & 0x07
+    }
+    /// IGMP查询者的查询间隔
+    /// 非查询者收到查询报文时，如果发现该字段非0，则将自己的查询间隔参数调整为该字段的值:如果发现该字段为0，则不做处理。默认值为60。
+    pub fn qqic(&self) -> u8 {
+        self.buffer.as_ref()[9]
+    }
+    /// 报文中包含的组播源的数量
+    /// 对于普遍组查询报文和特定组查询报文，该字段为0；对于特定源组查询报文，该字段非0
+    pub fn source_number(&self) -> u16 {
+        u16::from_be_bytes(self.buffer.as_ref()[10..12].try_into().unwrap())
+    }
+    pub fn source_addresses(&self) -> Option<Vec<Ipv4Addr>> {
+        let num = self.source_number();
+        if num == 0 {
+            None
+        } else {
+            let num = num as usize;
+            let mut list = Vec::with_capacity(num);
+            let buf = self.buffer.as_ref();
+            let len = buf.len();
+            for index in 0..num {
+                let start = (12 + index * 4) as usize;
+                let end = start + 4;
+                if end > len {
+                    return None;
+                }
+                let tmp: [u8; 4] = buf[start..end].try_into().unwrap();
+                list.push(Ipv4Addr::from(tmp));
+            }
+            Some(list)
+        }
+    }
+    pub fn source_address(&self, index: u16) -> Option<Ipv4Addr> {
+        if self.source_number() >= index {
+            None
+        } else {
+            let start = (12 + index * 4) as usize;
+            let end = start + 4;
+            let buf = self.buffer.as_ref();
+            let len = buf.len();
+            if end > len {
+                return None;
+            }
+            let tmp: [u8; 4] = buf[start..end].try_into().unwrap();
+            Some(Ipv4Addr::from(tmp))
+        }
+    }
+}
+
+/// v3版本的query报文
+pub struct IgmpV3ReportPacket<B> {
+    pub buffer: B,
+}
+
+impl<B: AsRef<[u8]>> IgmpV3ReportPacket<B> {
+    pub fn unchecked(buffer: B) -> Self {
+        Self { buffer }
+    }
+    pub fn new(buffer: B) -> io::Result<Self> {
+        if buffer.as_ref().len() < 8 {
+            Err(io::Error::from(io::ErrorKind::InvalidData))
+        } else {
+            let packet = Self::unchecked(buffer);
+            Ok(packet)
+        }
+    }
+}
+
+impl<B: AsRef<[u8]>> IgmpV3ReportPacket<B> {
+    pub fn igmp_type(&self) -> IgmpV3Type {
+        IgmpV3Type::from(self.buffer.as_ref()[0])
+    }
+    pub fn reserved1(&self) -> u8 {
+        self.buffer.as_ref()[1]
+    }
+    pub fn checksum(&self) -> u16 {
+        u16::from_be_bytes(self.buffer.as_ref()[2..4].try_into().unwrap())
+    }
+    pub fn is_valid(&self) -> bool {
+        self.checksum() == 0 || cal_checksum(self.buffer.as_ref()) == 0
+    }
+    pub fn reserved2(&self) -> u16 {
+        u16::from_be_bytes(self.buffer.as_ref()[4..6].try_into().unwrap())
+    }
+    pub fn record_number(&self) -> u16 {
+        u16::from_be_bytes(self.buffer.as_ref()[6..8].try_into().unwrap())
+    }
+    pub fn group_records(&self) -> Option<Vec<IgmpV3RecordPacket<&[u8]>>> {
+        let num = self.record_number();
+        if num == 0 {
+            None
+        } else {
+            let num = num as usize;
+            let mut list = Vec::with_capacity(num);
+            let mut start = 8 as usize;
+            let buf = self.buffer.as_ref();
+            let len = buf.len();
+            for _ in 0..num {
+                if start >= len {
+                    return None;
+                }
+                if let Ok(record) = IgmpV3RecordPacket::new(&buf[start..]) {
+                    let end = start + 8 + record.aux_data_len() as usize * 4 + record.source_number() as usize * 4;
+                    if end > len {
+                        return None;
+                    }
+                    list.push(IgmpV3RecordPacket::new(&buf[start..end]).unwrap());
+                    start = end;
+                } else {
+                    return None;
+                }
+            }
+            Some(list)
+        }
+    }
+}
+
+
+/// group record
+pub struct IgmpV3RecordPacket<B> {
+    pub buffer: B,
+}
+
+impl<B: AsRef<[u8]>> IgmpV3RecordPacket<B> {
+    pub fn unchecked(buffer: B) -> Self {
+        Self { buffer }
+    }
+    pub fn new(buffer: B) -> io::Result<Self> {
+        if buffer.as_ref().len() < 8 {
+            Err(io::Error::from(io::ErrorKind::InvalidData))
+        } else {
+            let packet = Self::unchecked(buffer);
+            Ok(packet)
+        }
+    }
+}
+
+impl<B: AsRef<[u8]>> IgmpV3RecordPacket<B> {
+    pub fn record_type(&self) -> IgmpV3RecordType {
+        IgmpV3RecordType::from(self.buffer.as_ref()[0])
+    }
+    /// 辅助数据长度 以4字节为单位
+    pub fn aux_data_len(&self) -> u8 {
+        self.buffer.as_ref()[1]
+    }
+    /// 源地址数
+    pub fn source_number(&self) -> u16 {
+        u16::from_be_bytes(self.buffer.as_ref()[2..4].try_into().unwrap())
+    }
+    ///多播地址
+    pub fn multicast_address(&self) -> Ipv4Addr {
+        let tmp: [u8; 4] = self.buffer.as_ref()[4..8].try_into().unwrap();
+        Ipv4Addr::from(tmp)
+    }
+    pub fn source_addresses(&self) -> Option<Vec<Ipv4Addr>> {
+        let num = self.source_number();
+        if num == 0 {
+            None
+        } else {
+            let num = num as usize;
+            let mut list = Vec::with_capacity(num);
+            let buf = self.buffer.as_ref();
+            let len = buf.len();
+            for index in 0..num {
+                let start = (8 + index * 4) as usize;
+                let end = start + 4;
+                if end > len {
+                    return None;
+                }
+                let tmp: [u8; 4] = buf[start..end].try_into().unwrap();
+                list.push(Ipv4Addr::from(tmp));
+            }
+            Some(list)
+        }
+    }
+    pub fn source_address(&self, index: u16) -> Option<Ipv4Addr> {
+        if self.source_number() >= index {
+            None
+        } else {
+            let start = (8 + index * 4) as usize;
+            let end = start + 4;
+            if end > self.buffer.as_ref().len() {
+                return None;
+            }
+            let tmp: [u8; 4] = self.buffer.as_ref()[start..end].try_into().unwrap();
+            Some(Ipv4Addr::from(tmp))
+        }
+    }
+    /// 在文档中没有定义辅助数据的作用，通常应该是空的
+    pub fn auxiliary_data(&self) -> &[u8] {
+        let start = 8 + self.source_number() as usize * 4;
+        let end = start + self.aux_data_len() as usize * 4;
+        if end > self.buffer.as_ref().len() {
+            return &[];
+        }
+        &self.buffer.as_ref()[start..end]
+    }
+}
+
+impl<B: AsRef<[u8]>> fmt::Debug for IgmpV3QueryPacket<B> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_struct("igmp::V3Query")
+            .field("type", &self.igmp_type())
+            .field("max_resp_code", &self.max_resp_code())
+            .field("checksum", &self.checksum())
+            .field("is_valid", &self.is_valid())
+            .field("group_address", &self.group_address())
+            .field("s", &self.s())
+            .field("qrv", &self.qrv())
+            .field("qqic", &self.qqic())
+            .field("number of sources", &self.source_number())
+            .field("source_addresses", &self.source_addresses())
+            .finish()
+    }
+}
+
+impl<B: AsRef<[u8]>> fmt::Debug for IgmpV3ReportPacket<B> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_struct("igmp::V3Report")
+            .field("type", &self.igmp_type())
+            .field("reserved1", &self.reserved1())
+            .field("checksum", &self.checksum())
+            .field("is_valid", &self.is_valid())
+            .field("reserved2", &self.reserved2())
+            .field("record_number", &self.record_number())
+            .field("group_records", &self.group_records())
+            .finish()
+    }
+}
+
+impl<B: AsRef<[u8]>> fmt::Debug for IgmpV3RecordPacket<B> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_struct("igmp::V3Record")
+            .field("record_type", &self.record_type())
+            .field("aux_data_len", &self.aux_data_len())
+            .field("source_number", &self.source_number())
+            .field("multicast_address", &self.multicast_address())
+            .field("source_addresses", &self.source_addresses())
+            .field("auxiliary_data", &self.auxiliary_data())
+            .finish()
+    }
+}

switch/packet/src/igmp/mod.rs

@@ -0,0 +1,46 @@
+pub mod igmp_v1;
+pub mod igmp_v2;
+pub mod igmp_v3;
+
+#[derive(Debug,Copy, Clone,Eq, PartialEq)]
+pub enum IgmpType {
+    /// 0x11 所有组224.0.0.1或者特定组
+    Query,
+    /// 0x12
+    ReportV1,
+    /// 0x16
+    ReportV2,
+    /// 0x22
+    ReportV3,
+    /// 0x17 目标组固定是 224.0.0.2
+    LeaveV2,
+    Unknown(u8),
+}
+
+impl From<u8> for IgmpType {
+    fn from(value: u8) -> IgmpType {
+        use self::IgmpType::*;
+
+        match value {
+            0x11 => Query,
+            0x12 => ReportV1,
+            0x16 => ReportV2,
+            0x22 => ReportV3,
+            0x17 => LeaveV2,
+            v => Unknown(v),
+        }
+    }
+}
+
+impl Into<u8> for IgmpType {
+    fn into(self) -> u8 {
+        match self {
+            IgmpType::Query => 0x11,
+            IgmpType::ReportV1 => 0x12,
+            IgmpType::ReportV2 => 0x16,
+            IgmpType::ReportV3 => 0x22,
+            IgmpType::LeaveV2 => 0x17,
+            IgmpType::Unknown(v) => v
+        }
+    }
+}

switch/packet/src/ip/ipv4/packet.rs

@@ -1,9 +1,8 @@
-use std::fmt;
+use std::{fmt, io};
 use std::net::Ipv4Addr;
 
 
 use crate::cal_checksum;
-use crate::error::*;
 use crate::ip::ipv4::protocol::Protocol;
 
 /// ip协议
@@ -38,16 +37,16 @@ impl<B: AsRef<[u8]>> IpV4Packet<B> {
     pub fn unchecked(buffer: B) -> Self {
         Self { buffer }
     }
-    pub fn new(buffer: B) -> Result<Self> {
-        if buffer.as_ref()[0] >> 4 != 4 {
-            Err(Error::Unimplemented)?
-        }
+    pub fn new(buffer: B) -> io::Result<Self> {
         if buffer.as_ref().len() < 20 {
-            Err(Error::SmallBuffer)?
+            Err(io::Error::new(io::ErrorKind::InvalidData, "len < 20"))?;
+        }
+        if buffer.as_ref()[0] >> 4 != 4 {
+            Err(io::Error::new(io::ErrorKind::InvalidData, "not ipv4"))?;
         }
         let packet = Self::unchecked(buffer);
         if packet.buffer.as_ref().len() < packet.header_len() as usize * 4 {
-            Err(Error::SmallBuffer)?
+            Err(io::Error::new(io::ErrorKind::InvalidData, "head_len err"))?;
         }
         Ok(packet)
     }
@@ -59,17 +58,6 @@ impl<B: AsRef<[u8]>> IpV4Packet<B> {
     }
     pub fn payload(&self) -> &[u8] {
         &self.buffer.as_ref()[(self.header_len() as usize * 4)..]
-        // match self.protocol() {
-        //     Protocol::Udp => {
-        //         let udp = UdpPacket::new(IpAddr::V4(self.source_ip()),
-        //                                  IpAddr::V4(self.destination_ip()),
-        //                                  &self.buffer.as_ref()[(self.header_len() as usize * 4)..])?;
-        //         Ok(crate::IpUpperLayer::UDP(udp))
-        //     }
-        //     _ => {
-        //         Ok(crate::IpUpperLayer::Unknown(self.buffer.as_ref()));
-        //     }
-        // }
     }
 }
 
@@ -82,13 +70,18 @@ impl<B: AsRef<[u8]> + AsMut<[u8]>> IpV4Packet<B> {
         let len = self.header_len() as usize * 4;
         &mut self.buffer.as_mut()[len..]
     }
-
+    pub fn set_protocol(&mut self, value: Protocol) {
+        self.header_mut()[9] = value.into();
+    }
     pub fn set_source_ip(&mut self, value: Ipv4Addr) {
         self.header_mut()[12..16].copy_from_slice(&value.octets());
     }
     pub fn set_destination_ip(&mut self, value: Ipv4Addr) {
         self.header_mut()[16..20].copy_from_slice(&value.octets());
     }
+    pub fn set_flags(&mut self, flags: u8) {
+        self.buffer.as_mut()[6] = (self.buffer.as_ref()[6] & 0b11100000) | (flags << 5)
+    }
     fn set_checksum(&mut self, value: u16) {
         self.header_mut()[10..12].copy_from_slice(&value.to_be_bytes())
     }

switch/packet/src/ip/mod.rs

@@ -1,7 +1,6 @@
+use std::io;
 use ipv4::packet::IpV4Packet;
 
-use crate::error::*;
-
 pub mod ipv4;
 
 pub enum IpPacket<B> {
@@ -9,10 +8,10 @@ pub enum IpPacket<B> {
 }
 
 impl<B: AsRef<[u8]>> IpPacket<B> {
-    pub fn new(buffer: B) -> Result<Self> {
+    pub fn new(buffer: B) -> io::Result<Self> {
         match buffer.as_ref()[0] >> 4 {
             4 => Ok(IpPacket::V4(IpV4Packet::new(buffer)?)),
-            _ => Err(Error::InvalidPacket),
+            _ => Err(io::Error::from(io::ErrorKind::InvalidData)),
         }
     }
 }

switch/packet/src/lib.rs

@@ -3,8 +3,8 @@ use std::net::Ipv4Addr;
 use byteorder::BigEndian;
 use byteorder::ReadBytesExt;
 
-pub mod error;
 pub mod icmp;
+pub mod igmp;
 pub mod ip;
 pub mod tcp;
 pub mod udp;

switch/packet/src/tcp/tcp.rs

@@ -1,7 +1,6 @@
-use std::fmt;
+use std::{fmt, io};
 use std::net::Ipv4Addr;
 
-use crate::error::*;
 use crate::tcp::Flags;
 
 /// tcp
@@ -59,15 +58,15 @@ impl<B: AsRef<[u8]>> TcpPacket<B> {
             buffer,
         }
     }
-    pub fn new(source_ip: Ipv4Addr, destination_ip: Ipv4Addr, buffer: B) -> Result<TcpPacket<B>> {
+    pub fn new(source_ip: Ipv4Addr, destination_ip: Ipv4Addr, buffer: B) -> io::Result<TcpPacket<B>> {
         let packet = TcpPacket::unchecked(source_ip, destination_ip, buffer);
 
         if packet.buffer.as_ref().len() < 20 {
-            Err(Error::SmallBuffer)?
+            Err(io::Error::from(io::ErrorKind::InvalidData))?;
         }
 
         if packet.buffer.as_ref().len() < packet.data_offset() as usize * 4 {
-            Err(Error::SmallBuffer)?
+            Err(io::Error::from(io::ErrorKind::InvalidData))?;
         }
 
         Ok(packet)

switch/packet/src/udp/udp.rs

@@ -1,8 +1,6 @@
-use std::fmt;
+use std::{fmt, io};
 use std::net::Ipv4Addr;
 
-use crate::error::*;
-
 /// udp协议
 ///
 /*
@@ -62,9 +60,9 @@ impl<B: AsRef<[u8]>> UdpPacket<B> {
             buffer,
         }
     }
-    pub fn new(source_ip: Ipv4Addr, destination_ip: Ipv4Addr, buffer: B) -> Result<UdpPacket<B>> {
+    pub fn new(source_ip: Ipv4Addr, destination_ip: Ipv4Addr, buffer: B) -> io::Result<UdpPacket<B>> {
         if buffer.as_ref().len() < 8 {
-            Err(Error::SmallBuffer)?
+            Err(io::Error::from(io::ErrorKind::InvalidData))?;
         }
         let packet = Self::unchecked(source_ip, destination_ip, buffer);
         Ok(packet)

switch/proto/message.proto

@@ -4,6 +4,7 @@ message RegistrationRequest{
   string device_id = 2;
   string name = 3;
   bool is_fast = 4;
+  string version = 5;
 }
 
 message RegistrationResponse{

switch/src/channel/channel.rs

@@ -0,0 +1,398 @@
+use std::io;
+use std::net::{Ipv4Addr, SocketAddr};
+use std::sync::Arc;
+use std::sync::atomic::{AtomicI64, AtomicUsize, Ordering};
+use crossbeam_skiplist::SkipMap;
+use dashmap::DashMap;
+use tokio::net::UdpSocket;
+use tokio::sync::Notify;
+use tokio::sync::watch::{channel, Receiver, Sender};
+use crate::channel::{Route, RouteKey, Status};
+use crate::channel::punch::NatType;
+use crate::handle::recv_handler::ChannelDataHandler;
+
+#[derive(Clone)]
+pub struct Context {
+    pub(crate) count: Arc<AtomicUsize>,
+    pub(crate) main_channel: Arc<UdpSocket>,
+    pub(crate) route_table: Arc<DashMap<Ipv4Addr, Vec<Route>>>,
+    pub(crate) route_table_time: Arc<SkipMap<(RouteKey, Ipv4Addr), AtomicI64>>,
+    pub(crate) status_receiver: Receiver<Status>,
+    pub(crate) status_sender: Arc<Sender<Status>>,
+    pub(crate) udp_map: Arc<SkipMap<usize, Arc<UdpSocket>>>,
+    pub(crate) channel_num: usize,
+    pub(crate) notify: Arc<Notify>,
+}
+
+impl Context {
+    pub fn new(main_channel: Arc<UdpSocket>, _channel_num: usize) -> Self {
+        //当前版本只支持一个通道
+        let channel_num = 1;
+        let (status_sender, status_receiver) = channel(Status::Cone);
+        let status_sender = Arc::new(status_sender);
+        Self {
+            count: Arc::new(AtomicUsize::new(0)),
+            main_channel,
+            route_table: Arc::new(DashMap::with_capacity(16)),
+            route_table_time: Arc::new(SkipMap::new()),
+            status_receiver,
+            status_sender,
+            udp_map: Arc::new(SkipMap::new()),
+            channel_num,
+            notify: Arc::new(Notify::new()),
+        }
+    }
+}
+
+impl Context {
+    pub fn is_close(&self) -> bool {
+        *self.status_receiver.borrow() == Status::Close
+    }
+    pub fn is_cone(&self) -> bool {
+        *self.status_receiver.borrow() == Status::Cone
+    }
+    pub fn close(&self) {
+        let _ = self.status_sender.send(Status::Close);
+    }
+    pub fn switch(&self, nat_type: NatType) {
+        match nat_type {
+            NatType::Symmetric => {
+                self.switch_to_symmetric();
+            }
+            NatType::Cone => {
+                self.switch_to_cone();
+            }
+        }
+    }
+    pub fn switch_to_cone(&self) {
+        let _ = self.status_sender.send(Status::Cone);
+    }
+    pub fn switch_to_symmetric(&self) {
+        let _ = self.status_sender.send(Status::Symmetric);
+    }
+    pub fn main_local_port(&self) -> io::Result<u16> {
+        self.main_channel.local_addr().map(|k| k.port())
+    }
+    pub async fn send_main(&self, buf: &[u8], addr: SocketAddr) -> io::Result<usize> {
+        self.main_channel.send_to(buf, addr).await
+    }
+
+    pub(crate) async fn send_all(&self, buf: &[u8], addr: SocketAddr) -> io::Result<()> {
+        for udp in self.udp_map.iter() {
+            udp.value().send_to(buf, addr).await?;
+        }
+        Ok(())
+    }
+    pub fn try_send_main(&self, buf: &[u8], addr: SocketAddr) -> io::Result<usize> {
+        self.main_channel.try_send_to(buf, addr)
+    }
+    pub async fn send_by_id(&self, buf: &[u8], id: &Ipv4Addr) -> io::Result<usize> {
+        if let Some(v) = self.route_table.get(id) {
+            let route = match v.len() {
+                0 => {
+                    return Err(io::Error::new(io::ErrorKind::NotFound, "route not found"));
+                }
+                1 => &v[0],
+                len => &v[self.count.fetch_add(1, Ordering::Relaxed) % len]
+            };
+            if let Some(udp) = self.udp_map.get(&route.index) {
+                return udp.value().send_to(buf, route.addr).await;
+            }
+        }
+        Err(io::Error::new(io::ErrorKind::NotFound, "route not found"))
+    }
+    pub fn try_send_by_id(&self, buf: &[u8], id: &Ipv4Addr) -> io::Result<usize> {
+        if let Some(v) = self.route_table.get(id) {
+            if v.is_empty() {
+                return Err(io::Error::new(io::ErrorKind::NotFound, "route not found"));
+            }
+            let route = &v[self.count.fetch_add(1, Ordering::Relaxed) % v.len()];
+            if let Some(udp) = self.udp_map.get(&route.index) {
+                return udp.value().try_send_to(buf, route.addr);
+            }
+        }
+        Err(io::Error::new(io::ErrorKind::NotFound, "route not found"))
+    }
+    pub async fn send_by_key(&self, buf: &[u8], route_key: &RouteKey) -> io::Result<usize> {
+        if let Some(udp) = self.udp_map.get(&route_key.index) {
+            return udp.value().send_to(buf, route_key.addr).await;
+        }
+        Err(io::Error::new(io::ErrorKind::NotFound, "route not found"))
+    }
+    pub fn try_send_by_key(&self, buf: &[u8], route_key: &RouteKey) -> io::Result<usize> {
+        if let Some(udp) = self.udp_map.get(&route_key.index) {
+            return udp.value().try_send_to(buf, route_key.addr);
+        }
+        Err(io::Error::new(io::ErrorKind::NotFound, "route not found"))
+    }
+    pub fn add_route_if_absent(&self, id: Ipv4Addr, route: Route) {
+        self.add_route_(id, route, true)
+    }
+    pub fn add_route(&self, id: Ipv4Addr, route: Route) {
+        self.add_route_(id, route, false)
+    }
+    fn add_route_(&self, id: Ipv4Addr, route: Route, only_if_absent: bool) {
+        let key = route.route_key();
+        let mut ref_mut = self.route_table.entry(id.clone()).or_insert(Vec::with_capacity(4));
+        let mut exist = false;
+        for x in ref_mut.iter_mut() {
+            if x.metric < route.metric {
+                //不能比当前的路径更长
+                return;
+            }
+            if x.route_key() == key {
+                if only_if_absent {
+                    return;
+                }
+                x.metric = route.metric;
+                x.rt = route.rt;
+                exist = true;
+                break;
+            }
+        }
+        if !exist {
+            if route.metric == 1 {
+                //添加了直连的则排除非直连的
+                ref_mut.retain(|k| k.metric == 1);
+            }
+            ref_mut.push(route);
+            let max_len = self.channel_num;
+            if ref_mut.len() > max_len {
+                ref_mut.sort_by_key(|k| k.sort_key());
+                ref_mut.truncate(max_len);
+            }
+        }
+        self.route_table_time.insert((key, id), AtomicI64::new(chrono::Local::now().timestamp_millis()));
+        self.notify.notify_one();
+    }
+    pub fn route(&self, id: &Ipv4Addr) -> Option<Vec<Route>> {
+        if let Some(v) = self.route_table.get(id) {
+            Some(v.value().clone())
+        } else {
+            None
+        }
+    }
+    pub fn route_one(&self, id: &Ipv4Addr) -> Option<Route> {
+        if let Some(v) = self.route_table.get(id) {
+            v.value().iter().max_by_key(|k| k.sort_key()).map(|k| *k)
+        } else {
+            None
+        }
+    }
+    pub fn route_to_id(&self, route_key: &RouteKey) -> Option<Ipv4Addr> {
+        for x in self.route_table_time.iter() {
+            if &x.key().0 == route_key {
+                return Some(x.key().1);
+            }
+        }
+        None
+    }
+    pub fn need_punch(&self, id: &Ipv4Addr) -> bool {
+        if let Some(v) = self.route_table.get(id) {
+            if v.iter().filter(|k| k.is_p2p()).count() >= self.channel_num {
+                return false;
+            }
+        }
+        true
+    }
+    pub fn route_table(&self) -> Vec<(Ipv4Addr, Vec<Route>)> {
+        self.route_table.iter().map(|k| (k.key().clone(), k.value().clone())).collect()
+    }
+    pub fn route_table_one(&self) -> Vec<(Ipv4Addr, Route)> {
+        let mut v = Vec::with_capacity(8);
+        for x in self.route_table.iter() {
+            if let Some(route) = x.value().iter().max_by_key(|k| k.sort_key()) {
+                v.push((*x.key(), *route));
+            }
+        }
+        v
+    }
+    pub fn direct_route_table_one(&self) -> Vec<(Ipv4Addr, Route)> {
+        let mut v = Vec::with_capacity(8);
+        for x in self.route_table.iter() {
+            if let Some(route) = x.value().iter().max_by_key(|k| k.sort_key()) {
+                if route.metric == 1 {
+                    v.push((*x.key(), *route));
+                }
+            }
+        }
+        v
+    }
+    pub fn remove_route_all(&self, id: &Ipv4Addr) {
+        if let Some((_, v)) = self.route_table.remove(id) {
+            for x in v {
+                self.route_table_time.remove(&(x.route_key(), id.clone()));
+            }
+        }
+    }
+    pub fn remove_route(&self, id: &Ipv4Addr, route_key: RouteKey) {
+        if let Some(mut v) = self.route_table.get_mut(id) {
+            v.retain(|x| x.route_key() != route_key);
+            self.route_table_time.remove(&(route_key, id.clone()));
+        }
+    }
+    pub fn update_read_time(&self, id: &Ipv4Addr, route_key: &RouteKey) {
+        if let Some(time) = self.route_table_time.get(&(*route_key, *id)) {
+            time.value().store(chrono::Local::now().timestamp_millis(), Ordering::Relaxed);
+        }
+    }
+}
+
+pub struct Channel {
+    context: Context,
+    handler: ChannelDataHandler,
+}
+
+impl Channel {
+    pub fn new(context: Context,
+               handler: ChannelDataHandler, ) -> Self {
+        Self {
+            context,
+            handler,
+        }
+    }
+}
+
+impl Channel {
+    async fn handle(handler: &mut ChannelDataHandler,
+                    udp: &Arc<UdpSocket>,
+                    context: &Context,
+                    id: usize,
+                    result: io::Result<(usize, SocketAddr)>,
+                    buf: &mut [u8], start: usize) {
+        match result {
+            Ok((len, addr)) => {
+                handler.handle(buf, start, start + len, RouteKey::new(id, addr), &udp, context).await;
+            }
+            Err(e) => {
+                log::error!("{:?}",e)
+            }
+        }
+    }
+    pub async fn start(self,
+                       head_reserve: usize,//头部预留字节
+                       symmetric_channel_num: usize,//对称网络，则再加一组监听，提升打洞成功率
+    ) {
+        let mut context = self.context;
+        let main_channel = context.main_channel.clone();
+        let handler = self.handler.clone();
+        tokio::spawn(Self::start_(context.clone(), handler, main_channel, head_reserve, true));
+        let mut cur_status = Status::Cone;
+        loop {
+            match context.status_receiver.changed().await {
+                Ok(_) => {
+                    match *context.status_receiver.borrow() {
+                        Status::Cone => {
+                            cur_status = Status::Cone;
+                        }
+                        Status::Symmetric => {
+                            if cur_status == Status::Symmetric {
+                                continue;
+                            }
+                            cur_status = Status::Symmetric;
+                            for _ in 0..symmetric_channel_num {
+                                match UdpSocket::bind("0.0.0.0:0").await {
+                                    Ok(udp) => {
+                                        let udp = Arc::new(udp);
+                                        let context = context.clone();
+                                        let handler = self.handler.clone();
+                                        tokio::spawn(Self::start_(context, handler, udp, head_reserve, false));
+                                    }
+                                    Err(e) => {
+                                        log::error!("{}",e);
+                                    }
+                                }
+                            }
+                        }
+                        Status::Close => {
+                            break;
+                        }
+                    }
+                }
+                Err(_) => {
+                    break;
+                }
+            }
+        }
+    }
+    async fn start_(context: Context,
+                    mut handler: ChannelDataHandler,
+                    udp: Arc<UdpSocket>,
+                    head_reserve: usize,
+                    is_core: bool) {
+        let mut status_receiver = context.status_receiver.clone();
+        #[cfg(target_os = "windows")]
+        use std::os::windows::io::AsRawSocket;
+        #[cfg(target_os = "windows")]
+            let id = udp.as_raw_socket() as usize;
+        #[cfg(any(unix))]
+        use std::os::fd::AsRawFd;
+        #[cfg(any(unix))]
+            let id = udp.as_raw_fd() as usize;
+        context.udp_map.insert(id, udp.clone());
+        let mut buf = [0; 65536];
+        loop {
+            tokio::select! {
+                rs=udp.recv_from(&mut buf[head_reserve..])=>{
+                    Self::handle(&mut handler,&udp,&context,id,rs,&mut buf,head_reserve).await;
+                }
+                changed=status_receiver.changed()=>{
+                        match changed {
+                            Ok(_) => {
+                                match *status_receiver.borrow() {
+                                    Status::Cone => {
+                                        if !is_core{
+                                            break;
+                                        }
+                                    }
+                                    Status::Close=>{
+                                        break;
+                                    }
+                                    Status::Symmetric => {}
+                                }
+                            }
+                            Err(_) => {
+                                break;
+                            }
+                        }
+                }
+            }
+        }
+        context.udp_map.remove(&id);
+    }
+}
+
+
+// pub async fn start<H: ChannelDataHandler + Clone>(mut handler: H,
+//                                                   mut status_receiver: Receiver<Status>,
+//                                                   head_reserve: usize,
+//                                                   core_channel_num: usize,
+//                                                   symmetric_channel_num: usize) -> io::Result<()> {
+//     for _ in 0..core_channel_num {
+//         let d = channel(1);
+//     }
+//     let udp = UdpSocket::bind("0.0.0.0:0").await?;
+//     let d = status_receiver.changed().await;
+//     match d {
+//         Ok(_) => {
+//             match *status_receiver.borrow() {
+//                 Status::Cone => {}
+//                 Status::Symmetric => {}
+//                 Status::Close => {}
+//             }
+//         }
+//         Err(_) => {}
+//     }
+//     let mut buf = [0; 65546];
+//     let result = udp.recv_from(&mut buf[head_reserve..]).await;
+//     match result {
+//         Ok((len, addr)) => {}
+//         Err(e) => {}
+//     }
+//     Ok(())
+// }
+//
+// pub struct Channel<H: ChannelDataHandler + Clone> {
+//     handler: H,
+//
+// }

switch/src/channel/idle.rs

@@ -0,0 +1,62 @@
+use std::io;
+use std::io::{Error, ErrorKind};
+use std::net::Ipv4Addr;
+use std::sync::atomic::Ordering;
+use std::time::Duration;
+use crate::channel::channel::Context;
+use crate::channel::RouteKey;
+
+
+pub struct Idle {
+    read_idle: i64,
+    context: Context,
+}
+
+impl Idle {
+    pub fn new(read_idle: i64,
+               context: Context, ) -> Self {
+        Self {
+            read_idle,
+            context,
+        }
+    }
+}
+
+impl Idle {
+    /// 获取空闲路由
+    pub async fn next_idle(&self) -> io::Result<(Ipv4Addr, RouteKey)> {
+        loop {
+            let now = chrono::Local::now().timestamp_millis();
+            let last_read_idle = now - self.read_idle;
+            let mut min = i64::MAX;
+            for entry in self.context.route_table_time.iter() {
+                let mut is_read_idle = false;
+                if self.read_idle > 0 {
+                    let last_read = entry.value().load(Ordering::Relaxed);
+                    if last_read < last_read_idle {
+                        is_read_idle = true;
+                    } else {
+                        if min > last_read {
+                            min = last_read;
+                        }
+                    }
+                }
+                if is_read_idle {
+                    return Ok((entry.key().1.clone(), entry.key().0.clone()));
+                }
+            }
+            if self.context.route_table_time.is_empty() {
+                self.context.notify.notified().await;
+            } else {
+                let sleep_time = chrono::Local::now().timestamp_millis() - min;
+                if sleep_time > 0 {
+                    tokio::time::sleep(Duration::from_millis(sleep_time as u64)).await;
+                    // let _ =  tokio::time::timeout(Duration::from_millis(sleep_time as u64),  self.context.notify.notified()).await;
+                }
+            }
+            if self.context.is_close() {
+                return Err(Error::new(ErrorKind::Other, "closed"));
+            }
+        }
+    }
+}

switch/src/channel/mod.rs

@@ -0,0 +1,78 @@
+use std::net::SocketAddr;
+
+pub mod channel;
+pub mod punch;
+pub mod idle;
+pub mod sender;
+
+#[derive(Copy, Clone, Eq, PartialEq)]
+pub enum Status {
+    Cone,
+    Symmetric,
+    Close,
+}
+
+#[derive(Copy, Clone, Debug)]
+pub struct Route {
+    index: usize,
+    pub addr: SocketAddr,
+    pub metric: u8,
+    pub rt: i64,
+}
+
+#[derive(Copy, Clone, Ord, PartialOrd, Eq, PartialEq, Hash, Debug)]
+pub struct RouteSortKey {
+    pub metric: u8,
+    pub rt: i64,
+}
+
+impl Route {
+    pub fn new(index: usize,
+               addr: SocketAddr, metric: u8, rt: i64, ) -> Self {
+        Self {
+            index,
+            addr,
+            metric,
+            rt,
+        }
+    }
+    pub fn from(route_key: RouteKey, metric: u8, rt: i64) -> Self {
+        Self {
+            index: route_key.index,
+            addr: route_key.addr,
+            metric,
+            rt,
+        }
+    }
+    pub fn route_key(&self) -> RouteKey {
+        RouteKey {
+            index: self.index,
+            addr: self.addr,
+        }
+    }
+    pub fn sort_key(&self) -> RouteSortKey {
+        RouteSortKey {
+            metric: self.metric,
+            rt: self.rt,
+        }
+    }
+    pub fn is_p2p(&self) -> bool {
+        self.metric == 1
+    }
+}
+
+#[derive(Copy, Clone, Ord, PartialOrd, Eq, PartialEq, Hash, Debug)]
+pub struct RouteKey {
+    index: usize,
+    pub addr: SocketAddr,
+}
+
+impl RouteKey {
+    pub(crate) fn new(index: usize,
+                      addr: SocketAddr, ) -> Self {
+        Self {
+            index,
+            addr,
+        }
+    }
+}

switch/src/channel/punch.rs

@@ -0,0 +1,152 @@
+use std::collections::HashMap;
+use std::io;
+use std::net::{Ipv4Addr, SocketAddr, SocketAddrV4};
+use std::time::Duration;
+
+use rand::prelude::SliceRandom;
+
+use crate::channel::channel::Context;
+
+#[derive(Clone, Debug)]
+pub struct NatInfo {
+    pub public_ips: Vec<Ipv4Addr>,
+    pub public_port: u16,
+    pub public_port_range: u16,
+    pub local_ip: Ipv4Addr,
+    pub local_port: u16,
+    pub nat_type: NatType,
+}
+
+#[derive(Clone, Copy, PartialEq, Eq, Debug, Hash)]
+pub enum NatType {
+    Symmetric,
+    Cone,
+}
+
+impl NatInfo {
+    pub fn new(public_ips: Vec<Ipv4Addr>,
+               public_port: u16,
+               public_port_range: u16,
+               local_ip: Ipv4Addr,
+               local_port: u16,
+               nat_type: NatType, ) -> Self {
+        Self {
+            public_ips,
+            public_port,
+            public_port_range,
+            local_ip,
+            local_port,
+            nat_type,
+        }
+    }
+}
+
+#[derive(Clone)]
+pub struct Punch {
+    context: Context,
+    port_vec: Vec<u16>,
+    port_index: HashMap<Ipv4Addr, usize>,
+}
+
+impl Punch {
+    pub fn new(context: Context) -> Self {
+        let mut port_vec: Vec<u16> = (1..65535).collect();
+        port_vec.push(65535);
+        let mut rng = rand::thread_rng();
+        port_vec.shuffle(&mut rng);
+        Punch {
+            context,
+            port_vec,
+            port_index: HashMap::new(),
+        }
+    }
+}
+
+impl Punch {
+    pub async fn punch(&mut self, buf: &[u8], id: Ipv4Addr, nat_info: NatInfo) -> io::Result<()> {
+        if !self.context.need_punch(&id) {
+            return Ok(());
+        }
+        if !nat_info.local_ip.is_unspecified() || nat_info.local_port != 0 {
+            let _ = self.context.send_main(buf, SocketAddr::V4(SocketAddrV4::new(nat_info.local_ip, nat_info.local_port))).await;
+        }
+        match nat_info.nat_type {
+            NatType::Symmetric => {
+                // 假设对方绑定n个端口，通过NAT对外映射出n个 公网ip:公网端口，自己随机尝试k次的情况下
+                // 猜中的概率 p = 1-((65535-n)/65535)*((65535-n-1)/(65535-1))*...*((65535-n-k+1)/(65535-k+1))
+                // n取76，k取600，猜中的概率就超过50%了
+                // 前提 自己是锥形网络，否则猜中了也通信不了
+
+                //预测范围内最多发送max_k1个包
+                let max_k1 = 60;
+                //全局最多发送max_k2个包
+                let max_k2 = 800;
+                if nat_info.public_port_range < max_k1 * 3 {
+                    //端口变化不大时，在预测的范围内随机发送
+                    let min_port = if nat_info.public_port > nat_info.public_port_range {
+                        nat_info.public_port - nat_info.public_port_range
+                    } else {
+                        1
+                    };
+                    let (max_port, overflow) = nat_info.public_port.overflowing_add(nat_info.public_port_range);
+                    let max_port = if overflow {
+                        65535
+                    } else {
+                        max_port
+                    };
+                    let k = if max_port - min_port + 1 > max_k1 {
+                        max_k1 as usize
+                    } else {
+                        (max_port - min_port + 1) as usize
+                    };
+                    let mut nums: Vec<u16> = (min_port..max_port).collect();
+                    nums.push(max_port);
+                    {
+                        let mut rng = rand::thread_rng();
+                        nums.shuffle(&mut rng);
+                    }
+                    self.punch_symmetric(&nums[..k], buf, &nat_info.public_ips, max_k1 as usize).await?;
+                }
+                let start = *self.port_index.entry(id.clone()).or_insert(0);
+                let mut end = start + max_k2;
+                let mut index = end;
+                if end >= self.port_vec.len() {
+                    end = self.port_vec.len();
+                    index = 0
+                }
+                self.punch_symmetric(&self.port_vec[start..end], buf, &nat_info.public_ips, max_k2).await?;
+                self.port_index.insert(id, index);
+            }
+            NatType::Cone => {
+                let is_cone = self.context.is_cone();
+                for ip in nat_info.public_ips {
+                    let addr = SocketAddr::V4(SocketAddrV4::new(ip, nat_info.public_port));
+                    if is_cone {
+                        self.context.send_main(buf, addr).await?;
+                    } else {
+                        //只有一方是对称，则对称方要使用全部端口发送数据，符合上述计算的概率
+                        self.context.send_all(buf, addr).await?;
+                    }
+                    tokio::time::sleep(Duration::from_millis(2)).await;
+                }
+            }
+        }
+        Ok(())
+    }
+
+    async fn punch_symmetric(&self, ports: &[u16], buf: &[u8], ips: &Vec<Ipv4Addr>, max: usize) -> io::Result<()> {
+        let mut count = 0;
+        for port in ports {
+            for pub_ip in ips {
+                count += 1;
+                if count == max {
+                    return Ok(());
+                }
+                let addr = SocketAddr::V4(SocketAddrV4::new(*pub_ip, *port));
+                self.context.send_main(buf, addr).await?;
+                tokio::time::sleep(Duration::from_millis(2)).await;
+            }
+        }
+        Ok(())
+    }
+}

switch/src/channel/sender.rs

@@ -0,0 +1,23 @@
+use std::ops::Deref;
+use crate::channel::channel::Context;
+
+#[derive(Clone)]
+pub struct ChannelSender {
+    context: Context,
+}
+
+impl ChannelSender {
+    pub fn new(context: Context) -> Self {
+        Self {
+            context,
+        }
+    }
+}
+
+impl Deref for ChannelSender {
+    type Target = Context;
+
+    fn deref(&self) -> &Self::Target {
+        &self.context
+    }
+}

switch/src/core/mod.rs

@@ -1,28 +1,35 @@
-use std::io;
+use std::{io, thread};
 use std::net::{Ipv4Addr, SocketAddr};
 use std::sync::Arc;
+use aes_gcm::{Aes256Gcm, Key, KeyInit};
 
 use crossbeam::atomic::AtomicCell;
 use crossbeam_skiplist::SkipMap;
 use parking_lot::Mutex;
+use tokio::net::UdpSocket;
+use tokio::sync::mpsc::channel;
 
-use p2p_channel::boot::Boot;
-use p2p_channel::channel::{Channel, Route, RouteKey};
-use p2p_channel::punch::NatInfo;
 
-use crate::{tap_device, tun_device};
+use crate::channel::channel::{Channel, Context};
+use crate::channel::idle::Idle;
+use crate::channel::punch::{NatInfo, Punch};
+use crate::channel::{Route, RouteKey};
+use crate::channel::sender::ChannelSender;
+
 use crate::external_route::ExternalRoute;
-use crate::handle::{ConnectStatus, CurrentDeviceInfo, CurrentDeviceInfoExt, heartbeat_handler, PeerDeviceInfo, punch_handler, recv_handler, registration_handler, tap_handler, tun_handler};
+use crate::handle::{ConnectStatus, CurrentDeviceInfo, heartbeat_handler, PeerDeviceInfo, punch_handler, registration_handler};
+use crate::handle::recv_handler::ChannelDataHandler;
+use crate::handle::tun_tap::{tap_handler, tun_handler};
+use crate::igmp_server::IgmpServer;
 use crate::nat::NatTest;
-use crate::tap_device::TapWriter;
-use crate::tun_device::TunWriter;
+use crate::tun_tap_device;
+use crate::tun_tap_device::DeviceWriter;
 
 pub struct Switch {
     name: String,
     current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
-    tun_writer: Option<TunWriter>,
-    tap_writer: Option<TapWriter>,
-    nat_channel: Channel<Ipv4Addr>,
+    context: Context,
+    device_writer: DeviceWriter,
     /// 0. 机器纪元，每一次上线或者下线都会增1，用于感知网络中机器变化
     /// 服务端和客户端的不一致，则服务端会推送新的设备列表
     /// 1. 网络中的虚拟ip列表
@@ -35,10 +42,22 @@ pub struct Switch {
 impl Switch {
     pub async fn start(config: Config) -> crate::Result<Switch> {
         log::info!("config:{:?}",config);
+        let cipher = if let Some(key) = &config.key {
+            let key: &Key<Aes256Gcm> = key.into();
+            Some(Aes256Gcm::new(&key))
+        } else {
+            None
+        };
+        let main_channel = Arc::new(UdpSocket::bind("0.0.0.0:0").await?);
+        let response = registration_handler::registration(&main_channel, config.server_address, config.token.clone(), config.device_id.clone(), config.name.clone()).await?;
+        let (cone_sender, cone_receiver) = channel(3);
+        let (symmetric_sender, symmetric_receiver) = channel(2);
+        let context = Context::new(main_channel, 1);
+        let punch = Punch::new(context.clone());
+        let idle = Idle::new(16000, context.clone());
+        let channel_sender = ChannelSender::new(context.clone());
 
-        let (mut channel, punch, idle) = Boot::new::<Ipv4Addr>(80, 15000, 0)?;
-        let response = registration_handler::registration(&mut channel, config.server_address, config.token.clone(), config.device_id.clone(), config.name.clone())?;
-        let register = Arc::new(registration_handler::Register::new(channel.sender()?, config.server_address, config.token.clone(), config.device_id.clone(), config.name.clone()));
+        let register = Arc::new(registration_handler::Register::new(channel_sender.clone(), config.server_address, config.token.clone(), config.device_id.clone(), config.name.clone()));
         let device_list: Arc<Mutex<(u16, Vec<PeerDeviceInfo>)>> = Arc::new(Mutex::new((0, Vec::new())));
         let peer_nat_info_map: Arc<SkipMap<Ipv4Addr, NatInfo>> = Arc::new(SkipMap::new());
         let connect_status = Arc::new(AtomicCell::new(ConnectStatus::Connected));
@@ -47,60 +66,71 @@ impl Switch {
         let virtual_netmask = Ipv4Addr::from(response.virtual_netmask);
 
         let local_ip = crate::nat::local_ip()?;
-        let local_port = channel.local_addr()?.port();
+        let local_port = context.main_local_port()?;
         // NAT检测
         let nat_test = NatTest::new(config.nat_test_server.clone(), Ipv4Addr::from(response.public_ip), response.public_port as u16, local_ip, local_port);
-        let in_ips = config.in_ips.iter().map(|(dest, mask, _)| { (Ipv4Addr::from(*dest), Ipv4Addr::from(*mask)) }).collect::<Vec<(Ipv4Addr, Ipv4Addr)>>();
+        let in_ips = config.in_ips.iter().map(|(dest, mask, _)| { (Ipv4Addr::from(*dest & *mask), Ipv4Addr::from(*mask)) }).collect::<Vec<(Ipv4Addr, Ipv4Addr)>>();
 
         let out_ips = config.out_ips.iter().map(|(_, _, ip)| *ip).collect::<Vec<Ipv4Addr>>();
         let out_external_route = ExternalRoute::new(config.out_ips);
         let in_external_route = ExternalRoute::new(config.in_ips);
         let current_device = Arc::new(AtomicCell::new(CurrentDeviceInfo::new(virtual_ip, virtual_gateway, virtual_netmask, config.server_address)));
-        let ip_proxy_map = crate::ip_proxy::init_proxy(channel.sender()?,out_ips,current_device.clone()).await?;
-        let ( current_device_ext,tun_writer, tap_writer) = if config.tap {
+        let ip_proxy_map = crate::ip_proxy::init_proxy(channel_sender.clone(), out_ips, current_device.clone()).await?;
+        let (device_writer, igmp_server) = if config.tap {
             #[cfg(windows)]
             {
                 //删除switch的tun网卡避免ip冲突，因为非正常退出会保留网卡
-                tun_device::delete_tun();
+                tun_tap_device::delete_device(tun_tap_device::DeviceType::Tap);
             }
-            let (tap_writer, tap_reader, mac) = tap_device::create_tap(virtual_ip, virtual_netmask, virtual_gateway)?;
-            let current_device_ext = Arc::new(AtomicCell::new(CurrentDeviceInfoExt::new( mac)));
+            let (tap_writer, tap_reader) = tun_tap_device::create_device(tun_tap_device::DeviceType::Tap, virtual_ip, virtual_netmask, virtual_gateway, in_ips)?;
+            let igmp_server = IgmpServer::new(tap_writer.clone());
             //tap数据处理
-            tap_handler::start(channel.sender()?, tap_reader.clone(), tap_writer.clone(), current_device.clone(), in_external_route, ip_proxy_map.clone());
-            (current_device_ext, None, Some(tap_writer))
+            tap_handler::start(channel_sender.clone(), tap_reader.clone(), tap_writer.clone(),
+                               igmp_server.clone(), current_device.clone(), in_external_route, ip_proxy_map.clone(), cipher.clone());
+            (tap_writer, igmp_server)
         } else {
             #[cfg(windows)]
             {
                 //删除switch的tap网卡避免ip冲突，非正常退出会保留网卡
-                tap_device::delete_tap();
+                tun_tap_device::delete_device(tun_tap_device::DeviceType::Tap);
             }
             // tun通道
-            let (tun_writer, tun_reader) = tun_device::create_tun(virtual_ip, virtual_netmask, virtual_gateway,in_ips)?;
-            let current_device_ext = Arc::new(AtomicCell::new(CurrentDeviceInfoExt::new( [0, 0, 0, 0, 0, 0])));
+            let (tun_writer, tun_reader) = tun_tap_device::create_device(tun_tap_device::DeviceType::Tun, virtual_ip, virtual_netmask, virtual_gateway, in_ips)?;
+            let igmp_server = IgmpServer::new(tun_writer.clone());
             //tun数据接收处理
-            tun_handler::start(channel.sender()?, tun_reader.clone(), tun_writer.clone(), current_device.clone(), in_external_route, ip_proxy_map.clone());
-            (current_device_ext,Some(tun_writer), None)
+            tun_handler::start(channel_sender.clone(), tun_reader.clone(), tun_writer.clone(),
+                               igmp_server.clone(), current_device.clone(), in_external_route, ip_proxy_map.clone(), cipher.clone());
+            (tun_writer, igmp_server)
         };
         //外部数据接收处理
-        let channel_recv_handler = recv_handler::RecvHandler::new(channel.try_clone()?, current_device.clone(), current_device_ext,device_list.clone(), register.clone(),
-                                                                  nat_test.clone(), tun_writer.clone(), tap_writer.clone(),
-                                                                  connect_status.clone(), peer_nat_info_map.clone(), ip_proxy_map, out_external_route);
-        recv_handler::start(channel_recv_handler);
+        let channel_recv_handler = ChannelDataHandler::new(current_device.clone(), device_list.clone(),
+                                                           register.clone(), nat_test.clone(), igmp_server,
+                                                           device_writer.clone(), connect_status.clone(),
+                                                           peer_nat_info_map.clone(), ip_proxy_map, out_external_route,
+                                                           cone_sender, symmetric_sender, cipher);
+        let channel = Channel::new(context.clone(), channel_recv_handler);
+        thread::spawn(move || {
+            tokio::runtime::Builder::new_multi_thread()
+                .enable_all()
+                .build().unwrap()
+                .block_on(channel.start(14, 60));
+        });
+        context.switch(nat_test.nat_info().nat_type);
         // 定时心跳
-        heartbeat_handler::start_heartbeat(channel.sender()?, device_list.clone(), current_device.clone());
+        heartbeat_handler::start_heartbeat(channel_sender.clone(), device_list.clone(), current_device.clone()).await;
         // 空闲检查
-        heartbeat_handler::start_idle(idle, channel.sender()?);
+        heartbeat_handler::start_idle(idle, channel_sender.clone()).await;
         // 打洞处理
-        punch_handler::start_cone(punch.try_clone()?, current_device.clone());
-        punch_handler::start_symmetric(punch, current_device.clone());
-        punch_handler::start_punch(nat_test.clone(), device_list.clone(), channel.sender()?, current_device.clone());
+        punch_handler::start(cone_receiver, punch.clone(), current_device.clone()).await;
+        punch_handler::start(symmetric_receiver, punch, current_device.clone()).await;
+        punch_handler::start_punch(nat_test.clone(), device_list.clone(), channel_sender.clone(), current_device.clone()).await;
+
         log::info!("switch启动成功");
         Ok(Switch {
             name: config.name,
             current_device,
-            tun_writer,
-            tap_writer,
-            nat_channel: channel,
+            context,
+            device_writer,
             nat_test,
             device_list,
             connect_status,
@@ -132,22 +162,17 @@ impl Switch {
         device_list
     }
     pub fn route(&self, ip: &Ipv4Addr) -> Option<Route> {
-        self.nat_channel.route(ip)
+        self.context.route_one(ip)
     }
     pub fn route_key(&self, route_key: &RouteKey) -> Option<Ipv4Addr> {
-        self.nat_channel.route_to_id(route_key)
+        self.context.route_to_id(route_key)
     }
     pub fn route_table(&self) -> Vec<(Ipv4Addr, Route)> {
-        self.nat_channel.route_table()
+        self.context.route_table_one()
     }
     pub fn stop(&self) -> io::Result<()> {
-        if let Some(tap) = &self.tap_writer {
-            tap.close()?;
-        }
-        if let Some(tun) = &self.tun_writer {
-            tun.close()?;
-        }
-        self.nat_channel.close()?;
+        self.context.close();
+        self.device_writer.close()?;
         Ok(())
     }
 }
@@ -162,15 +187,26 @@ pub struct Config {
     pub nat_test_server: Vec<SocketAddr>,
     pub in_ips: Vec<(u32, u32, Ipv4Addr)>,
     pub out_ips: Vec<(u32, u32, Ipv4Addr)>,
+    pub key: Option<[u8; 32]>,
 }
 
+use sha2::Digest;
+
 impl Config {
     pub fn new(tap: bool, token: String,
                device_id: String,
                name: String,
                server_address: SocketAddr,
                nat_test_server: Vec<SocketAddr>,
-               in_ips: Vec<(u32, u32, Ipv4Addr)>, out_ips: Vec<(u32, u32, Ipv4Addr)>, ) -> Self {
+               in_ips: Vec<(u32, u32, Ipv4Addr)>, out_ips: Vec<(u32, u32, Ipv4Addr)>, password: Option<String>, ) -> Self {
+        let key = if let Some(password) = password {
+            let mut hasher = sha2::Sha256::new();
+            hasher.update(password.as_bytes());
+            let key: [u8; 32] = hasher.finalize().into();
+            Some(key)
+        } else {
+            None
+        };
         Self {
             tap,
             token,
@@ -180,6 +216,7 @@ impl Config {
             nat_test_server,
             in_ips,
             out_ips,
+            key,
         }
     }
 }

switch/src/error/mod.rs

@@ -5,8 +5,6 @@ use thiserror::Error;
 
 #[derive(Error, Debug)]
 pub enum Error {
-    #[error("packet error")]
-    PacketError(#[from] packet::error::Error),
     #[error("Io error")]
     Io(#[from] io::Error),
     #[error("Channel error")]

switch/src/external_route/mod.rs

@@ -2,6 +2,7 @@ use std::net::Ipv4Addr;
 
 // 目标ip，子网掩码，网关
 
+#[derive(Clone)]
 pub struct ExternalRoute {
     route_table: Vec<(u32, u32, Ipv4Addr)>,
 }

switch/src/handle/heartbeat_handler.rs

@@ -1,60 +1,54 @@
 use std::net::Ipv4Addr;
 use std::sync::Arc;
 use std::time::Duration;
-use std::{io, thread};
+use std::io;
 
 use chrono::Local;
 use crossbeam::atomic::AtomicCell;
 use parking_lot::Mutex;
 use rand::prelude::SliceRandom;
+use crate::channel::idle::Idle;
+use crate::channel::Route;
+use crate::channel::sender::ChannelSender;
 
-use p2p_channel::channel::sender::Sender;
-use p2p_channel::channel::Route;
-use p2p_channel::idle::Idle;
 
 use crate::handle::{CurrentDeviceInfo, PeerDeviceInfo};
 use crate::protocol::control_packet::PingPacket;
-use crate::protocol::{control_packet, NetPacket, Protocol, Version, MAX_TTL};
+use crate::protocol::{control_packet, NetPacket, Protocol, Version};
 
-pub fn start_idle(idle: Idle<Ipv4Addr>, sender: Sender<Ipv4Addr>) {
-    thread::Builder::new()
-        .name("idle".into())
-        .spawn(move || {
-            if let Err(e) = start_idle_(idle, sender) {
-                log::info!("空闲检测线程停止:{:?}", e);
+pub async fn start_idle(idle: Idle, sender: ChannelSender) {
+    tokio::spawn(async move {
+        match start_idle_(idle, sender).await {
+            Ok(_) => {}
+            Err(e) => {
+                log::warn!("空闲检测任务停止:{:?}", e);
             }
-        })
-        .unwrap();
+        }
+    });
 }
 
-fn start_idle_(idle: Idle<Ipv4Addr>, sender: Sender<Ipv4Addr>) -> io::Result<()> {
+async fn start_idle_(idle: Idle, sender: ChannelSender) -> io::Result<()> {
     loop {
-        let (idle_status, peer_ips, route) = idle.next_idle()?;
-        log::warn!(
-            "peer_ip:{:?},route:{:?},idle_status:{:?}",
-            peer_ips,
-            route,
-            idle_status
+        let (peer_ip, route) = idle.next_idle().await?;
+        log::info!(
+            "peer_ip:{:?},route:{:?}",
+            peer_ip,
+            route
         );
-        for peer_ip in peer_ips {
-            sender.remove_route(&peer_ip);
-        }
+        sender.remove_route(&peer_ip, route);
     }
 }
 
-pub fn start_heartbeat(
-    sender: Sender<Ipv4Addr>,
+pub async fn start_heartbeat(
+    sender: ChannelSender,
     device_list: Arc<Mutex<(u16, Vec<PeerDeviceInfo>)>>,
     current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
 ) {
-    thread::Builder::new()
-        .name("heartbeat".into())
-        .spawn(move || {
-            if let Err(e) = start_heartbeat_(sender, device_list, current_device) {
-                log::info!("空闲检测线程停止:{:?}", e);
-            }
-        })
-        .unwrap();
+    tokio::spawn(async move {
+        if let Err(e) = start_heartbeat_(sender, device_list, current_device).await {
+            log::warn!("心跳任务停止:{:?}", e);
+        }
+    });
 }
 
 fn set_now_time(packet: &mut NetPacket<[u8; 16]>) -> io::Result<()> {
@@ -64,8 +58,8 @@ fn set_now_time(packet: &mut NetPacket<[u8; 16]>) -> io::Result<()> {
     Ok(())
 }
 
-fn start_heartbeat_(
-    sender: Sender<Ipv4Addr>,
+async fn start_heartbeat_(
+    sender: ChannelSender,
     device_list: Arc<Mutex<(u16, Vec<PeerDeviceInfo>)>>,
     current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
 ) -> io::Result<()> {
@@ -73,7 +67,8 @@ fn start_heartbeat_(
     net_packet.set_version(Version::V1);
     net_packet.set_protocol(Protocol::Control);
     net_packet.set_transport_protocol(control_packet::Protocol::Ping.into());
-    net_packet.first_set_ttl(MAX_TTL);
+    //只寻找两跳以内能到的目标
+    net_packet.first_set_ttl(2);
     let mut count = 0;
     loop {
         let current_device = current_device.load();
@@ -83,19 +78,28 @@ fn start_heartbeat_(
             let epoch = { device_list.lock().0 };
             ping.set_epoch(epoch);
         }
+        set_now_time(&mut net_packet)?;
+        net_packet.set_destination(current_device.virtual_gateway());
+        if let Err(e) = sender.send_main(net_packet.buffer(), current_device.connect_server).await
+        {
+            log::warn!(
+                    "connect_server:{:?},e:{:?}",
+                    current_device.connect_server,
+                    e
+                );
+        }
         if count < 7 || count % 7 == 0 {
-            let mut route_list: Option<Vec<(Ipv4Addr, Route)>> = None;
-            let peer_list = device_list.lock().1.clone();
+            let mut route_list: Option<Vec<(Ipv4Addr, Vec<Route>)>> = None;
+            let peer_list = {device_list.lock().1.clone()};
             for peer in peer_list {
                 set_now_time(&mut net_packet)?;
-                net_packet.first_set_ttl(2);
                 net_packet.set_destination(peer.virtual_ip);
                 if sender
-                    .send_to_id(net_packet.buffer(), &peer.virtual_ip)
+                    .send_by_id(net_packet.buffer(), &peer.virtual_ip).await
                     .is_err()
                 {
                     //没有路由则发送到网关
-                    let _ = sender.send_to_addr(net_packet.buffer(), current_device.connect_server);
+                    let _ = sender.try_send_main(net_packet.buffer(), current_device.connect_server);
                     //再随机发送到其他地址，看有没有客户端符合转发条件
                     let route_list = route_list.get_or_insert_with(|| {
                         let mut l = sender.route_table();
@@ -103,43 +107,37 @@ fn start_heartbeat_(
                         l
                     });
                     let mut num = 0;
-                    //只寻找两跳以内能到的目标
-                    net_packet.first_set_ttl(2);
-                    for (peer_ip, route) in route_list.iter() {
-                        if peer_ip != &peer.virtual_ip && route.metric == 1 {
-                            set_now_time(&mut net_packet)?;
-                            let _ = sender.send_to_route(net_packet.buffer(), &route.route_key());
-                            num += 1;
-                        }
-                        if num >= 3 {
-                            break;
+                    'a: for (peer_ip, route_list) in route_list.iter() {
+                        for route in route_list {
+                            if peer_ip != &peer.virtual_ip && route.metric == 1 {
+                                set_now_time(&mut net_packet)?;
+                                let _ = sender.try_send_by_key(net_packet.buffer(), &route.route_key());
+                                num += 1;
+                                break;
+                            }
+                            if num >= 3 {
+                                break 'a;
+                            }
                         }
                     }
                 }
-                thread::sleep(Duration::from_millis(1));
-            }
-            set_now_time(&mut net_packet)?;
-            net_packet.set_destination(current_device.virtual_gateway());
-            if let Err(e) = sender.send_to_addr(net_packet.buffer(), current_device.connect_server)
-            {
-                log::warn!(
-                    "connect_server:{:?},e:{:?}",
-                    current_device.connect_server,
-                    e
-                );
+                tokio::time::sleep(Duration::from_millis(1)).await;
             }
+
         } else {
-            for (peer_ip, route) in sender.route_table().iter() {
+            for (peer_ip, route_list) in sender.route_table().iter() {
                 set_now_time(&mut net_packet)?;
                 net_packet.set_destination(*peer_ip);
-                if let Err(e) = sender.send_to_route(net_packet.buffer(), &route.route_key()) {
-                    log::warn!("peer_ip:{:?},route:{:?},e:{:?}", peer_ip, route, e);
+                for route in route_list {
+                    if let Err(e) = sender.send_by_key(net_packet.buffer(), &route.route_key()).await {
+                        log::warn!("peer_ip:{:?},route:{:?},e:{:?}", peer_ip, route, e);
+                    }
+                    tokio::time::sleep(Duration::from_millis(2)).await;
                 }
-                thread::sleep(Duration::from_millis(1));
             }
         }
 
         count += 1;
-        thread::sleep(Duration::from_millis(5000));
+        tokio::time::sleep(Duration::from_millis(5000)).await;
     }
 }

switch/src/handle/mod.rs

@@ -1,11 +1,10 @@
 use std::net::{Ipv4Addr, SocketAddr};
 
 pub mod heartbeat_handler;
-pub mod tun_handler;
-pub mod tap_handler;
 pub mod punch_handler;
 pub mod recv_handler;
 pub mod registration_handler;
+pub mod tun_tap;
 
 /// 是否在一个网段
 fn check_dest(dest: Ipv4Addr, virtual_netmask: Ipv4Addr, virtual_network: Ipv4Addr) -> bool {
@@ -60,19 +59,6 @@ pub enum ConnectStatus {
     Connected,
 }
 
-#[derive(Copy, Clone, Debug, Eq, PartialEq)]
-pub struct CurrentDeviceInfoExt {
-    pub mac: [u8; 6],
-}
-
-impl CurrentDeviceInfoExt {
-    pub fn new(mac: [u8; 6]) -> Self {
-        Self {
-            mac,
-        }
-    }
-}
-
 #[derive(Copy, Clone, Debug, Eq, PartialEq)]
 pub struct CurrentDeviceInfo {
     virtual_ip: Ipv4Addr,

switch/src/handle/punch_handler.rs

@@ -1,93 +1,72 @@
 use crate::handle::{CurrentDeviceInfo, PeerDeviceInfo};
 use crate::nat::NatTest;
 use crate::proto::message::{PunchInfo, PunchNatType};
-use crate::protocol::{control_packet, turn_packet, NetPacket, Protocol, Version, MAX_TTL};
+use crate::protocol::{control_packet, other_turn_packet, NetPacket, Protocol, Version, MAX_TTL};
 use crossbeam::atomic::AtomicCell;
-use p2p_channel::channel::sender::Sender;
-use p2p_channel::punch::{NatInfo, NatType, Punch};
 use parking_lot::Mutex;
 use protobuf::Message;
 use rand::prelude::SliceRandom;
-use std::net::{IpAddr, Ipv4Addr};
+use std::net::Ipv4Addr;
 use std::sync::Arc;
 use std::time::Duration;
-use std::{io, thread};
+use std::io;
+use tokio::sync::mpsc::Receiver;
+use crate::channel::punch::{NatInfo, Punch};
+use crate::channel::sender::ChannelSender;
 
-pub fn start_cone(punch: Punch<Ipv4Addr>, current_device: Arc<AtomicCell<CurrentDeviceInfo>>) {
-    thread::Builder::new()
-        .name("punch-cone".into())
-        .spawn(move || {
-            if let Err(e) = start_(true, punch, current_device) {
-                log::warn!("锥形网络打洞处理线程停止 {:?}", e);
-            }
-        })
-        .unwrap();
+pub async fn start(receiver: Receiver<(Ipv4Addr, NatInfo)>, punch: Punch, current_device: Arc<AtomicCell<CurrentDeviceInfo>>) {
+    tokio::spawn(async move {
+        start0(receiver, punch, current_device).await;
+    });
 }
 
-pub fn start_symmetric(punch: Punch<Ipv4Addr>, current_device: Arc<AtomicCell<CurrentDeviceInfo>>) {
-    thread::Builder::new()
-        .name("punch-symmetric".into())
-        .spawn(move || {
-            if let Err(e) = start_(false, punch, current_device) {
-                log::warn!("对称网络打洞处理线程停止 {:?}", e);
-            }
-        })
-        .unwrap();
+pub async fn start0(mut receiver: Receiver<(Ipv4Addr, NatInfo)>, mut punch: Punch, current_device: Arc<AtomicCell<CurrentDeviceInfo>>) {
+    while let Some((peer_ip, nat_info)) = receiver.recv().await {
+        if let Err(e) = start_(&mut punch, &current_device, peer_ip, nat_info).await {
+            log::warn!("网络打洞异常 {:?}", e);
+        }
+    }
 }
 
-fn start_(
-    is_cone: bool,
-    mut punch: Punch<Ipv4Addr>,
-    current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
+async fn start_(
+    punch: &mut Punch,
+    current_device: &Arc<AtomicCell<CurrentDeviceInfo>>,
+    peer_ip: Ipv4Addr,
+    nat_info: NatInfo,
 ) -> io::Result<()> {
     let mut packet = NetPacket::new([0u8; 12])?;
     packet.set_version(Version::V1);
     packet.first_set_ttl(1);
     packet.set_protocol(Protocol::Control);
     packet.set_transport_protocol(control_packet::Protocol::PunchRequest.into());
-    loop {
-        let (peer_ip, nat_info) = if is_cone {
-            punch.next_cone(None)?
-        } else {
-            punch.next_symmetric(None)?
-        };
-        if let Some(route) = punch.sender().route(&peer_ip) {
-            if route.metric == 1 {
-                //直连地址不需要打洞
-                continue;
-            }
-        }
-        packet.set_source(current_device.load().virtual_ip());
-        packet.set_destination(peer_ip);
-        log::info!("发起打洞，目标:{:?},{:?}", peer_ip, nat_info);
-        if let Err(e) = punch.punch(packet.buffer(), peer_ip, nat_info) {
-            log::warn!("peer_ip:{:?},e:{:?}", peer_ip, e);
-        }
-    }
+    packet.set_source(current_device.load().virtual_ip());
+    packet.set_destination(peer_ip);
+    log::info!("发起打洞，目标:{:?},{:?}", peer_ip, nat_info);
+
+    punch.punch(packet.buffer(), peer_ip, nat_info).await
 }
 
-pub fn start_punch(
+pub async fn start_punch(
     nat_test: NatTest,
     device_list: Arc<Mutex<(u16, Vec<PeerDeviceInfo>)>>,
-    sender: Sender<Ipv4Addr>,
+    sender: ChannelSender,
     current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
 ) {
-    thread::Builder::new()
-        .name("punch-send-request".into())
-        .spawn(move || {
-            if let Err(e) = start_punch_(nat_test, device_list, sender, current_device) {
-                log::warn!("对称网络打洞处理线程停止 {:?}", e);
-            }
-        })
-        .unwrap();
+    tokio::spawn(async move {
+        if let Err(e) = start_punch_(nat_test, device_list, sender, current_device).await {
+            log::warn!("打洞处理任务停止 {:?}", e);
+        }
+    });
 }
 
-fn start_punch_(
+async fn start_punch_(
     nat_test: NatTest,
     device_list: Arc<Mutex<(u16, Vec<PeerDeviceInfo>)>>,
-    sender: Sender<Ipv4Addr>,
+    sender: ChannelSender,
     current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
 ) -> crate::Result<()> {
+    let mut num = 0;
+    let sleep_time = [3, 5, 7, 11, 13, 17, 19, 23, 29];
     loop {
         if sender.is_close() {
             return Ok(());
@@ -102,28 +81,19 @@ fn start_punch_(
                 if info.virtual_ip <= current_device.virtual_ip {
                     continue;
                 }
-                if let Some(route) = sender.route(&info.virtual_ip) {
-                    if route.metric == 1 {
-                        //直连地址不需要打洞
-                        continue;
-                    }
+                if !sender.need_punch(&info.virtual_ip) {
+                    continue;
                 }
                 count += 1;
-                if count > 3 {
+                if count > 2 {
                     break;
                 }
                 let buf = punch_packet(current_device.virtual_ip(), &nat_info, info.virtual_ip)?;
-                sender.send_to_addr(&buf, current_device.connect_server)?;
-            }
-        }
-        match nat_info.nat_type {
-            NatType::Symmetric => {
-                thread::sleep(Duration::from_secs(28));
-            }
-            NatType::Cone => {
-                thread::sleep(Duration::from_secs(20));
+                sender.send_main(&buf, current_device.connect_server).await?;
             }
         }
+        num += 1;
+        tokio::time::sleep(Duration::from_secs(sleep_time[num % sleep_time.len()])).await;
     }
 }
 
@@ -137,28 +107,18 @@ pub fn punch_packet(
     punch_reply.public_ip_list = nat_info
         .public_ips
         .iter()
-        .map(|i| match i {
-            IpAddr::V4(ip) => u32::from_be_bytes(ip.octets()),
-            IpAddr::V6(_) => {
-                panic!()
-            }
-        })
+        .map(|ip| u32::from_be_bytes(ip.octets()))
         .collect();
     punch_reply.public_port = nat_info.public_port as u32;
     punch_reply.public_port_range = nat_info.public_port_range as u32;
-    punch_reply.local_ip = match nat_info.local_ip {
-        IpAddr::V4(ip) => u32::from_be_bytes(ip.octets()),
-        IpAddr::V6(_) => {
-            panic!()
-        }
-    };
+    punch_reply.local_ip = u32::from_be_bytes(nat_info.local_ip.octets());
     punch_reply.local_port = nat_info.local_port as u32;
     punch_reply.nat_type = protobuf::EnumOrUnknown::new(PunchNatType::from(nat_info.nat_type));
     let bytes = punch_reply.write_to_bytes()?;
     let mut net_packet = NetPacket::new(vec![0u8; 12 + bytes.len()])?;
     net_packet.set_version(Version::V1);
     net_packet.set_protocol(Protocol::OtherTurn);
-    net_packet.set_transport_protocol(turn_packet::Protocol::Punch.into());
+    net_packet.set_transport_protocol(other_turn_packet::Protocol::Punch.into());
     net_packet.first_set_ttl(MAX_TTL);
     net_packet.set_source(virtual_ip);
     net_packet.set_destination(dest);

switch/src/handle/recv_handler.rs

@@ -1,134 +1,111 @@
-use std::thread;
-use std::net::{IpAddr, Ipv4Addr, SocketAddr, SocketAddrV4};
+use std::net::{Ipv4Addr, SocketAddr, SocketAddrV4};
 use std::sync::Arc;
+use aes_gcm::{AeadInPlace, Aes256Gcm, Nonce, Tag};
+use aes_gcm::aead::consts::{U12, U16};
+use aes_gcm::aead::generic_array::GenericArray;
 
 use chrono::Local;
 use crossbeam::atomic::AtomicCell;
 use crossbeam_skiplist::SkipMap;
 use parking_lot::Mutex;
 use protobuf::Message;
+use tokio::net::UdpSocket;
+use tokio::sync::mpsc::Sender;
 
-use p2p_channel::channel::{Channel, Route, RouteKey};
-use p2p_channel::punch::NatInfo;
-use packet::ethernet;
 use packet::icmp::{icmp, Kind};
 use packet::icmp::icmp::HeaderOther;
 use packet::ip::ipv4;
 use packet::ip::ipv4::packet::IpV4Packet;
+use crate::channel::channel::Context;
+use crate::channel::punch::{NatInfo, NatType};
+use crate::channel::{Route, RouteKey};
 
 use crate::error::Error;
 use crate::external_route::ExternalRoute;
-use crate::handle::{check_dest, ConnectStatus, CurrentDeviceInfo, CurrentDeviceInfoExt, PeerDeviceInfo};
+use crate::handle::{check_dest, ConnectStatus, CurrentDeviceInfo, PeerDeviceInfo};
 use crate::handle::registration_handler::Register;
+use crate::igmp_server::IgmpServer;
 use crate::ip_proxy::IpProxyMap;
 use crate::nat;
 use crate::nat::NatTest;
 use crate::proto::message::{DeviceList, PunchInfo, PunchNatType, RegistrationResponse};
-use crate::protocol::{control_packet, MAX_TTL, NetPacket, Protocol, service_packet, turn_packet, Version};
+use crate::protocol::{control_packet, MAX_TTL, NetPacket, Protocol, service_packet, other_turn_packet, Version, ip_turn_packet};
 use crate::protocol::control_packet::ControlPacket;
 use crate::protocol::error_packet::InErrorPacket;
-use crate::tap_device::TapWriter;
-use crate::tun_device::TunWriter;
+use crate::tun_tap_device::DeviceWriter;
 
-pub fn start(mut handler: RecvHandler) {
-    thread::Builder::new().name("udp-recv-handler".into()).spawn(move || {
-        let mut buf = [0; 4096];
-        loop {
-            match handler.channel.recv_from(&mut buf, None) {
-                Ok((len, route)) => {
-                    if let Err(e) = handler.handle(&mut buf[..len], &route) {
-                        log::warn!("数据处理失败:{:?},e:{:?}",route,e);
-                        if let Error::Stop(_) = e {
-                            let _ = handler.channel.close();
-                            break;
-                        }
-                    }
-                }
-                Err(e) => {
-                    log::warn!("{:?}",e);
-                    // 检查关闭状态
-                    if handler.channel.is_close() {
-                        break;
-                    }
-                }
-            }
-        }
-    }).unwrap();
-}
-
-pub struct RecvHandler {
-    channel: Channel<Ipv4Addr>,
+#[derive(Clone)]
+pub struct ChannelDataHandler {
     current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
-    current_device_ext: Arc<AtomicCell<CurrentDeviceInfoExt>>,
     device_list: Arc<Mutex<(u16, Vec<PeerDeviceInfo>)>>,
     register: Arc<Register>,
     nat_test: NatTest,
-    tun_writer: Option<TunWriter>,
-    tap_writer: Option<TapWriter>,
+    igmp_server: IgmpServer,
+    device_writer: DeviceWriter,
     connect_status: Arc<AtomicCell<ConnectStatus>>,
     peer_nat_info_map: Arc<SkipMap<Ipv4Addr, NatInfo>>,
     ip_proxy_map: IpProxyMap,
     out_external_route: ExternalRoute,
+    cone_sender: Sender<(Ipv4Addr, NatInfo)>,
+    symmetric_sender: Sender<(Ipv4Addr, NatInfo)>,
+    cipher: Option<Aes256Gcm>,
 }
 
-impl RecvHandler {
-    pub fn new(channel: Channel<Ipv4Addr>,
-               current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
-               current_device_ext: Arc<AtomicCell<CurrentDeviceInfoExt>>,
+impl ChannelDataHandler {
+    pub fn new(current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
                device_list: Arc<Mutex<(u16, Vec<PeerDeviceInfo>)>>,
                register: Arc<Register>,
                nat_test: NatTest,
-               tun_writer: Option<TunWriter>,
-               tap_writer: Option<TapWriter>,
+               igmp_server: IgmpServer,
+               device_writer: DeviceWriter,
                connect_status: Arc<AtomicCell<ConnectStatus>>,
                peer_nat_info_map: Arc<SkipMap<Ipv4Addr, NatInfo>>,
                ip_proxy_map: IpProxyMap,
                out_external_route: ExternalRoute,
-    ) -> Self {
+               cone_sender: Sender<(Ipv4Addr, NatInfo)>,
+               symmetric_sender: Sender<(Ipv4Addr, NatInfo)>,
+               cipher: Option<Aes256Gcm>, ) -> Self {
         Self {
-            channel,
             current_device,
-            current_device_ext,
             device_list,
             register,
             nat_test,
-            tun_writer,
-            tap_writer,
+            igmp_server,
+            device_writer,
             connect_status,
             peer_nat_info_map,
             ip_proxy_map,
             out_external_route,
+            cone_sender,
+            symmetric_sender,
+            cipher,
         }
     }
-    // pub fn try_clone(&self) -> io::Result<Self> {
-    //     Ok(Self {
-    //         channel: self.channel.try_clone()?,
-    //         current_device: self.current_device.clone(),
-    //         device_list: self.device_list.clone(),
-    //         register: self.register.clone(),
-    //         nat_test: self.nat_test.clone(),
-    //         tun_writer: self.tun_writer.clone(),
-    //         tap_writer: self.tap_writer.clone(),
-    //         connect_status: self.connect_status.clone(),
-    //         peer_nat_info_map: self.peer_nat_info_map.clone(),
-    //     })
-    // }
 }
 
-impl RecvHandler {
-    fn handle(&self, buf: &mut [u8], route_key: &RouteKey) -> crate::Result<()> {
-        let mut net_packet = NetPacket::new(buf)?;
+
+impl ChannelDataHandler {
+    pub async fn handle(&mut self, buf: &mut [u8], start: usize, end: usize, route_key: RouteKey, _udp: &Arc<UdpSocket>,
+                        context: &Context, ) {
+        assert_eq!(start, 14);
+        match self.handle0(&mut buf[..end], &route_key, context).await {
+            Ok(_) => {}
+            Err(e) => {
+                log::error!("{:?}",e);
+            }
+        }
+    }
+    async fn handle0(&self, buf: &mut [u8], route_key: &RouteKey, context: &Context) -> crate::Result<()> {
+        let mut net_packet = NetPacket::new(&mut buf[14..])?;
         if net_packet.ttl() == 0 {
             return Ok(());
         }
         let source = net_packet.source();
         let current_device = self.current_device.load();
-        if source == current_device.virtual_ip() {
-            return Ok(());
-        }
         let destination = net_packet.destination();
-        if !destination.is_broadcast() && destination != current_device.broadcast_address
-            && current_device.virtual_ip() != destination && self.connect_status.load() == ConnectStatus::Connected {
+        if current_device.virtual_ip() != destination
+            && !destination.is_broadcast() && !destination.is_multicast() && destination != current_device.broadcast_address
+            && self.connect_status.load() == ConnectStatus::Connected {
             if !check_dest(source, current_device.virtual_netmask, current_device.virtual_network) {
                 log::warn!("转发数据，源地址错误:{:?},当前网络:{:?},route_key:{:?}",source,current_device.virtual_network,route_key);
                 return Ok(());
@@ -141,111 +118,185 @@ impl RecvHandler {
             let ttl = net_packet.ttl();
             if ttl > 0 {
                 // 转发
-                if let Some(route) = self.channel.route(&destination) {
+                if let Some(route) = context.route_one(&destination) {
                     if route.metric <= net_packet.ttl() {
-                        self.channel.send_to_route(net_packet.buffer(), &route.route_key())?;
+                        context.send_by_key(net_packet.buffer(), &route.route_key()).await?;
                     }
                 } else if (ttl > 1 || destination == current_device.virtual_gateway())
                     && source != current_device.virtual_gateway() {
                     //网关默认要转发一次，生存时间不够的发到网关也会被丢弃
-                    self.channel.send_to_addr(net_packet.buffer(), current_device.connect_server)?;
+                    context.send_main(net_packet.buffer(), current_device.connect_server).await?;
                 }
             }
             return Ok(());
         }
         match net_packet.protocol() {
-            Protocol::Ipv4Turn => {
-                let mut ipv4 = IpV4Packet::new(net_packet.payload_mut())?;
-                if ipv4.destination_ip() == destination && ipv4.protocol() == ipv4::protocol::Protocol::Icmp {
-                    let mut icmp_packet = icmp::IcmpPacket::new(ipv4.payload_mut())?;
-                    if icmp_packet.kind() == Kind::EchoRequest {
-                        //开启ping
-                        icmp_packet.set_kind(Kind::EchoReply);
-                        icmp_packet.update_checksum();
-                        ipv4.set_source_ip(destination);
-                        ipv4.set_destination_ip(source);
-                        ipv4.update_checksum();
-                        net_packet.set_source(destination);
-                        net_packet.set_destination(source);
-                        self.channel.send_to_route(net_packet.buffer(), route_key)?;
+            Protocol::IpTurn => {
+                match ip_turn_packet::Protocol::from(net_packet.transport_protocol()) {
+                    ip_turn_packet::Protocol::Icmp => {
+                        let ipv4 = IpV4Packet::new(net_packet.payload())?;
+                        if ipv4.protocol() == ipv4::protocol::Protocol::Icmp {
+                            self.device_writer.write_ipv4(&mut buf[12..])?;
+                            return Ok(());
+                        }
+                    }
+                    ip_turn_packet::Protocol::Igmp => {
+                        let ipv4 = IpV4Packet::new(net_packet.payload())?;
+                        if ipv4.protocol() == ipv4::protocol::Protocol::Igmp {
+                            self.igmp_server.handle(ipv4.payload(), source)?;
+                        }
                         return Ok(());
                     }
-                }
-                if ipv4.destination_ip() != destination {
-                    if let Some(gate_way) = self.out_external_route.route(&ipv4.destination_ip()) {
-                        match ipv4.protocol() {
-                            ipv4::protocol::Protocol::Tcp => {
-                                let dest_ip = ipv4.destination_ip();
-                                //转发到代理目标地址
-                                let mut tcp_packet = packet::tcp::tcp::TcpPacket::new(source, destination, ipv4.payload_mut())?;
-                                let source_port = tcp_packet.source_port();
-                                let dest_port = tcp_packet.destination_port();
-                                tcp_packet.set_destination_port(self.ip_proxy_map.tcp_proxy_port);
-                                tcp_packet.update_checksum();
-                                ipv4.set_destination_ip(destination);
-                                ipv4.update_checksum();
-                                self.ip_proxy_map.tcp_proxy_map.insert(SocketAddrV4::new(source, source_port),
-                                                                       (SocketAddrV4::new(gate_way, 0), SocketAddrV4::new(dest_ip, dest_port)));
+                    ip_turn_packet::Protocol::Ipv4 => {
+                        let data = if let Some(cipher) = &self.cipher {
+                            if !net_packet.is_encrypt() {
+                                //未加密的数据之间丢弃
+                                return Ok(());
                             }
-                            ipv4::protocol::Protocol::Udp => {
-                                let dest_ip = ipv4.destination_ip();
-                                //转发到代理目标地址
-                                let mut udp_packet = packet::udp::udp::UdpPacket::new(source, destination, ipv4.payload_mut())?;
-                                let source_port = udp_packet.source_port();
-                                let dest_port = udp_packet.destination_port();
-                                udp_packet.set_destination_port(self.ip_proxy_map.udp_proxy_port);
-                                udp_packet.update_checksum();
-                                ipv4.set_destination_ip(destination);
-                                ipv4.update_checksum();
-                                println!("{:?}",ipv4);
-                                self.ip_proxy_map.udp_proxy_map.insert(SocketAddrV4::new(source, source_port),
-                                                                       (SocketAddrV4::new(gate_way, 0), SocketAddrV4::new(dest_ip, dest_port)));
+                            if net_packet.payload().len() < 16 {
+                                log::error!("数据异常,长度小于16");
+                                return Ok(());
+                            }
+                            //需要解密
+                            let mut nonce = [0; 12];
+                            nonce[0..4].copy_from_slice(&source.octets());
+                            nonce[4..8].copy_from_slice(&destination.octets());
+                            nonce[8] = Protocol::IpTurn.into();
+                            nonce[9] = ip_turn_packet::Protocol::Ipv4.into();
+                            let nonce: &GenericArray<u8, U12> = Nonce::from_slice(&nonce);
+                            let data_len = net_packet.payload().len() - 16;
+                            let tag: GenericArray<u8, U16> = Tag::clone_from_slice(&net_packet.payload()[data_len..]);
+                            match cipher.decrypt_in_place_detached(nonce, &[], &mut net_packet.payload_mut()[..data_len], &tag) {
+                                Ok(_) => {}
+                                Err(e) => {
+                                    log::error!("数据解密异常:{}",e);
+                                    return Ok(());
+                                }
+                            }
+                            &mut net_packet.payload_mut()[..data_len]
+                        } else {
+                            net_packet.payload_mut()
+                        };
+                        let mut ipv4 = IpV4Packet::new(data)?;
+                        match ipv4.protocol() {
+                            ipv4::protocol::Protocol::Igmp => {
+                                self.igmp_server.handle(ipv4.payload(), source)?;
+                                return Ok(());
                             }
                             ipv4::protocol::Protocol::Icmp => {
-                                let dest_ip = ipv4.destination_ip();
-                                //转发到代理目标地址
-                                let icmp_packet = icmp::IcmpPacket::new(ipv4.payload())?;
-                                match icmp_packet.header_other() {
-                                    HeaderOther::Identifier(id, seq) => {
-                                        self.ip_proxy_map.icmp_proxy_map.insert((dest_ip, id, seq), source);
-                                        self.ip_proxy_map.send_icmp(ipv4.payload(), &gate_way, &dest_ip)?;
+                                if ipv4.destination_ip() == destination {
+                                    let mut icmp_packet = icmp::IcmpPacket::new(ipv4.payload_mut())?;
+                                    if icmp_packet.kind() == Kind::EchoRequest {
+                                        //开启ping
+                                        icmp_packet.set_kind(Kind::EchoReply);
+                                        icmp_packet.update_checksum();
+                                        ipv4.set_source_ip(destination);
+                                        ipv4.set_destination_ip(source);
+                                        ipv4.update_checksum();
+                                        net_packet.set_source(destination);
+                                        net_packet.set_destination(source);
+                                        if let Some(cipher) = &self.cipher {
+                                            //需要加密
+                                            let mut nonce = [0; 12];
+                                            nonce[0..4].copy_from_slice(&destination.octets());
+                                            nonce[4..8].copy_from_slice(&source.octets());
+                                            nonce[8] = Protocol::IpTurn.into();
+                                            nonce[9] = ip_turn_packet::Protocol::Ipv4.into();
+                                            let nonce: &GenericArray<u8, U12> = Nonce::from_slice(&nonce);
+                                            let data_len = net_packet.payload().len() - 16;
+                                            match cipher.encrypt_in_place_detached(nonce, &[], &mut net_packet.payload_mut()[..data_len]) {
+                                                Ok(tag) => {
+                                                    if tag.len() != 16 {
+                                                        log::error!("加密tag长度错误:{}",tag.len());
+                                                        return Ok(());
+                                                    }
+                                                    net_packet.set_encrypt_flag(true);
+                                                    net_packet.payload_mut()[data_len..data_len + 16].copy_from_slice(tag.as_slice());
+                                                }
+                                                Err(e) => {
+                                                    log::error!("加密失败:{}",e);
+                                                    return Ok(());
+                                                }
+                                            }
+                                        }
+                                        context.send_by_key(net_packet.buffer(), route_key).await?;
+                                        return Ok(());
+                                    }
+                                }
+                            }
+                            _ => {}
+                        }
+                        if ipv4.destination_ip() != destination {
+                            if let Some(gate_way) = self.out_external_route.route(&ipv4.destination_ip()) {
+                                match ipv4.protocol() {
+                                    ipv4::protocol::Protocol::Tcp => {
+                                        let dest_ip = ipv4.destination_ip();
+                                        //转发到代理目标地址
+                                        let mut tcp_packet = packet::tcp::tcp::TcpPacket::new(source, destination, ipv4.payload_mut())?;
+                                        let source_port = tcp_packet.source_port();
+                                        let dest_port = tcp_packet.destination_port();
+                                        tcp_packet.set_destination_port(self.ip_proxy_map.tcp_proxy_port);
+                                        tcp_packet.update_checksum();
+                                        ipv4.set_destination_ip(destination);
+                                        ipv4.update_checksum();
+                                        self.ip_proxy_map.tcp_proxy_map.insert(SocketAddrV4::new(source, source_port),
+                                                                               (SocketAddrV4::new(gate_way, 0), SocketAddrV4::new(dest_ip, dest_port)));
+                                    }
+                                    ipv4::protocol::Protocol::Udp => {
+                                        let dest_ip = ipv4.destination_ip();
+                                        //转发到代理目标地址
+                                        let mut udp_packet = packet::udp::udp::UdpPacket::new(source, destination, ipv4.payload_mut())?;
+                                        let source_port = udp_packet.source_port();
+                                        let dest_port = udp_packet.destination_port();
+                                        udp_packet.set_destination_port(self.ip_proxy_map.udp_proxy_port);
+                                        udp_packet.update_checksum();
+                                        ipv4.set_destination_ip(destination);
+                                        ipv4.update_checksum();
+                                        self.ip_proxy_map.udp_proxy_map.insert(SocketAddrV4::new(source, source_port),
+                                                                               (SocketAddrV4::new(gate_way, 0), SocketAddrV4::new(dest_ip, dest_port)));
+                                    }
+                                    ipv4::protocol::Protocol::Icmp => {
+                                        let dest_ip = ipv4.destination_ip();
+                                        //转发到代理目标地址
+                                        let icmp_packet = icmp::IcmpPacket::new(ipv4.payload())?;
+                                        match icmp_packet.header_other() {
+                                            HeaderOther::Identifier(id, seq) => {
+                                                self.ip_proxy_map.icmp_proxy_map.insert((dest_ip, id, seq), source);
+                                                self.ip_proxy_map.send_icmp(ipv4.payload(), &gate_way, &dest_ip)?;
+                                            }
+                                            _ => {
+                                                return Ok(());
+                                            }
+                                        }
                                     }
                                     _ => {
                                         return Ok(());
                                     }
                                 }
                             }
-                            _ => {
-                                return Ok(());
-                            }
                         }
+
+                        //传输协议12字节
+                        self.device_writer.write_ipv4(&mut buf[12..])?;
+                        return Ok(());
                     }
-                }
-                if let Some(tun_writer) = &self.tun_writer {
-                    tun_writer.write(net_packet.payload())?;
-                } else {
-                    if let Some(tap_writer) = &self.tap_writer {
-                        let mut ethernet_packet = ethernet::packet::EthernetPacket::unchecked(vec![0; 14 + ipv4.buffer.len()]);
-                        let source = source.octets();
-                        ethernet_packet.set_source(&[source[0], source[1], source[2], source[3], 123, 234]);
-                        ethernet_packet.set_destination(&self.current_device_ext.load().mac);
-                        ethernet_packet.set_protocol(ethernet::protocol::Protocol::Ipv4);
-                        ethernet_packet.payload_mut().copy_from_slice(ipv4.buffer);
-                        tap_writer.write(&ethernet_packet.buffer)?;
+                    ip_turn_packet::Protocol::Ipv4Broadcast => {
+                        //客户端不帮忙转发广播包，所以不会出现这种类型的数据
                     }
+                    ip_turn_packet::Protocol::Unknown(_) => {}
                 }
             }
             Protocol::Service => {
-                self.service(current_device, source, net_packet, route_key)?;
+                self.service(context, current_device, source, net_packet, route_key).await?;
             }
             Protocol::Error => {
-                self.error(current_device, source, net_packet, route_key)?;
+                self.error(context, current_device, source, net_packet, route_key).await?;
             }
             Protocol::Control => {
-                self.control(current_device, source, net_packet, route_key)?;
+                self.control(context, current_device, source, net_packet, route_key).await?;
             }
             Protocol::OtherTurn => {
-                self.other_turn(current_device, source, net_packet, route_key)?;
+                self.other_turn(context, current_device, source, net_packet, route_key).await?;
             }
             Protocol::UnKnow(e) => {
                 log::info!("不支持的协议:{}",e);
@@ -253,18 +304,20 @@ impl RecvHandler {
         }
         Ok(())
     }
-    fn service(&self, current_device: CurrentDeviceInfo, source: Ipv4Addr, net_packet: NetPacket<&mut [u8]>, route_key: &RouteKey) -> crate::Result<()> {
-        if route_key.addr != current_device.connect_server || source != current_device.virtual_gateway() {
+    async fn service(&self, context: &Context, current_device: CurrentDeviceInfo, _source: Ipv4Addr, net_packet: NetPacket<&mut [u8]>, route_key: &RouteKey) -> crate::Result<()> {
+        //todo 校验来源
+        if route_key.addr != current_device.connect_server {
             return Ok(());
         }
         match service_packet::Protocol::from(net_packet.transport_protocol()) {
             service_packet::Protocol::RegistrationRequest => {}
             service_packet::Protocol::RegistrationResponse => {
                 let response = RegistrationResponse::parse_from_bytes(net_packet.payload())?;
-                let local_port = self.channel.local_addr()?.port();
+                let local_port = context.main_local_port()?;
                 let local_ip = nat::local_ip()?;
-                let nat_info = self.nat_test.re_test(Ipv4Addr::from(response.public_ip), response.public_port as u16, local_ip, local_port);
-                self.channel.set_nat_type(nat_info.nat_type)?;
+                let nat_info = self.nat_test.re_test(Ipv4Addr::from(response.public_ip),
+                                                     response.public_port as u16, local_ip, local_port);
+                context.switch(nat_info.nat_type);
                 let new_ip = Ipv4Addr::from(response.virtual_ip);
                 let current_ip = current_device.virtual_ip();
                 if current_ip != new_ip {
@@ -275,13 +328,7 @@ impl RecvHandler {
                     let virtual_ip = Ipv4Addr::from(response.virtual_ip);
                     let virtual_gateway = Ipv4Addr::from(response.virtual_gateway);
                     let virtual_netmask = Ipv4Addr::from(response.virtual_netmask);
-                    if let Some(tun_writer) = &self.tun_writer {
-                        tun_writer.change_ip(virtual_ip, virtual_netmask, virtual_gateway, old_netmask, old_gateway)?;
-                    } else {
-                        if let Some(tap_writer) = &self.tap_writer {
-                            tap_writer.change_ip(virtual_ip, virtual_netmask, virtual_gateway, old_netmask, old_gateway)?;
-                        }
-                    }
+                    self.device_writer.change_ip(virtual_ip, virtual_netmask, virtual_gateway, old_netmask, old_gateway)?;
                     let new_current_device = CurrentDeviceInfo::new(virtual_ip, virtual_gateway,
                                                                     virtual_netmask, current_device.connect_server);
                     if let Err(e) = self.current_device.compare_exchange(current_device, new_current_device) {
@@ -310,14 +357,14 @@ impl RecvHandler {
                     dev.1 = ip_list;
                 }
             }
-            service_packet::Protocol::UnKnow(u) => {
+            service_packet::Protocol::Unknown(u) => {
                 log::warn!("未知服务协议:{}",u);
             }
         }
         Ok(())
     }
-    fn error(&self, current_device: CurrentDeviceInfo, source: Ipv4Addr, net_packet: NetPacket<&mut [u8]>, route_key: &RouteKey) -> crate::Result<()> {
-        if route_key.addr != current_device.connect_server || source != current_device.virtual_gateway() {
+    async fn error(&self, _context: &Context, current_device: CurrentDeviceInfo, _source: Ipv4Addr, net_packet: NetPacket<&mut [u8]>, route_key: &RouteKey) -> crate::Result<()> {
+        if route_key.addr != current_device.connect_server {
             return Ok(());
         }
         match InErrorPacket::new(net_packet.transport_protocol(), net_packet.payload())? {
@@ -325,8 +372,14 @@ impl RecvHandler {
                 return Err(Error::Stop("Token error".to_string()));
             }
             InErrorPacket::Disconnect => {
+                {
+                    //掉线epoch要归零
+                    let mut dev = self.device_list.lock();
+                    dev.0 = 0;
+                }
+
                 self.connect_status.store(ConnectStatus::Connecting);
-                self.register.fast_register()?;
+                self.register.fast_register().await?;
             }
             InErrorPacket::AddressExhausted => {
                 //地址用尽
@@ -338,42 +391,28 @@ impl RecvHandler {
         }
         Ok(())
     }
-    fn control(&self, current_device: CurrentDeviceInfo, source: Ipv4Addr, mut net_packet: NetPacket<&mut [u8]>, route_key: &RouteKey) -> crate::Result<()> {
+    async fn control(&self, context: &Context, current_device: CurrentDeviceInfo, source: Ipv4Addr, mut net_packet: NetPacket<&mut [u8]>, route_key: &RouteKey) -> crate::Result<()> {
+        let metric = net_packet.source_ttl() - net_packet.ttl() + 1;
         match ControlPacket::new(net_packet.transport_protocol(), net_packet.payload())? {
             ControlPacket::PingPacket(_) => {
-                let metric = net_packet.source_ttl() - net_packet.ttl() + 1;
+                context.update_read_time(&source, route_key);
                 net_packet.set_transport_protocol(control_packet::Protocol::Pong.into());
                 net_packet.set_source(current_device.virtual_ip());
                 net_packet.set_destination(source);
                 net_packet.first_set_ttl(MAX_TTL);
-                self.channel.send_to_route(net_packet.buffer(), route_key)?;
-                if metric == 1 {
-                    if let Some(current_route) = self.channel.route(&source) {
-                        if current_route.metric > 1 {
-                            let route = Route::from(*route_key, 1, -1);
-                            self.channel.add_route(source, route);
-                        }
-                    }
-                }
+                context.send_by_key(net_packet.buffer(), route_key).await?;
+                let route = Route::from(*route_key, metric, 99);
+                context.add_route_if_absent(source, route);
             }
             ControlPacket::PongPacket(pong_packet) => {
+                context.update_read_time(&source, route_key);
                 let current_time = Local::now().timestamp_millis() as u16;
                 if current_time < pong_packet.time() {
                     return Ok(());
                 }
                 let rt = (current_time - pong_packet.time()) as i64;
-                let metric = net_packet.source_ttl() - net_packet.ttl() + 1;
-                if let Some(current_route) = self.channel.route(&source) {
-                    if &current_route.route_key() == route_key {
-                        self.channel.update_route(&source, metric, rt);
-                    } else if current_route.metric >= metric && current_route.rt > rt {
-                        let route = Route::from(*route_key, metric, rt);
-                        self.channel.add_route(source, route);
-                    }
-                } else {
-                    let route = Route::from(*route_key, metric, rt);
-                    self.channel.add_route(source, route);
-                }
+                let route = Route::from(*route_key, metric, rt);
+                context.add_route(source, route);
                 if route_key.addr == current_device.connect_server && source == current_device.virtual_gateway() {
                     let epoch = self.device_list.lock().0;
                     if pong_packet.epoch() != epoch {
@@ -384,7 +423,7 @@ impl RecvHandler {
                         poll_device.first_set_ttl(MAX_TTL);
                         poll_device.set_protocol(Protocol::Service);
                         poll_device.set_transport_protocol(service_packet::Protocol::PollDeviceList.into());
-                        self.channel.send_to_route(poll_device.buffer(), route_key)?;
+                        context.send_by_key(poll_device.buffer(), route_key).await?;
                     }
                 }
             }
@@ -395,28 +434,28 @@ impl RecvHandler {
                 net_packet.set_source(current_device.virtual_ip());
                 net_packet.set_destination(source);
                 net_packet.first_set_ttl(1);
-                self.channel.send_to_route(net_packet.buffer(), route_key)?;
-                let route = Route::from(*route_key, 1, -1);
-                self.channel.add_route(source, route);
+                context.send_by_key(net_packet.buffer(), route_key).await?;
+                let route = Route::from(*route_key, metric, 99);
+                context.add_route_if_absent(source, route);
             }
             ControlPacket::PunchResponse => {
                 // log::info!("PunchResponse route_key:{:?}",route_key);
-                let route = Route::from(*route_key, 1, -1);
-                self.channel.add_route(net_packet.source(), route);
+                let route = Route::from(*route_key, metric, 99);
+                context.add_route_if_absent(source, route);
             }
         }
         Ok(())
     }
-    fn other_turn(&self, current_device: CurrentDeviceInfo, source: Ipv4Addr, net_packet: NetPacket<&mut [u8]>, route_key: &RouteKey) -> crate::Result<()> {
-        match turn_packet::Protocol::from(net_packet.transport_protocol()) {
-            turn_packet::Protocol::Punch => {
+    async fn other_turn(&self, context: &Context, current_device: CurrentDeviceInfo, source: Ipv4Addr, net_packet: NetPacket<&mut [u8]>, route_key: &RouteKey) -> crate::Result<()> {
+        match other_turn_packet::Protocol::from(net_packet.transport_protocol()) {
+            other_turn_packet::Protocol::Punch => {
                 let punch_info = PunchInfo::parse_from_bytes(net_packet.payload())?;
                 let public_ips = punch_info.public_ip_list.
-                    iter().map(|v| { IpAddr::from(v.to_be_bytes()) }).collect();
+                    iter().map(|v| { Ipv4Addr::from(v.to_be_bytes()) }).collect();
                 let peer_nat_info = NatInfo::new(public_ips,
                                                  punch_info.public_port as u16,
                                                  punch_info.public_port_range as u16,
-                                                 IpAddr::from(punch_info.local_ip.to_be_bytes()),
+                                                 Ipv4Addr::from(punch_info.local_ip.to_be_bytes()),
                                                  punch_info.local_port as u16,
                                                  punch_info.nat_type.enum_value_or_default().into());
                 self.peer_nat_info_map.insert(source, peer_nat_info.clone());
@@ -424,20 +463,12 @@ impl RecvHandler {
                     let mut punch_reply = PunchInfo::new();
                     punch_reply.reply = true;
                     let nat_info = self.nat_test.nat_info();
-                    punch_reply.public_ip_list = nat_info.public_ips.iter().map(|i| {
-                        match i {
-                            IpAddr::V4(ip) => u32::from_be_bytes(ip.octets()),
-                            IpAddr::V6(_) => 0
-                        }
-                    }).collect();
+                    punch_reply.public_ip_list = nat_info.public_ips.iter().map(|ip| u32::from_be_bytes(ip.octets())).collect();
                     punch_reply.public_port = nat_info.public_port as u32;
                     punch_reply.public_port_range = nat_info.public_port_range as u32;
                     punch_reply.nat_type =
                         protobuf::EnumOrUnknown::new(PunchNatType::from(nat_info.nat_type));
-                    punch_reply.local_ip = match nat_info.local_ip {
-                        IpAddr::V4(ip) => u32::from_be_bytes(ip.octets()),
-                        IpAddr::V6(_) => 0
-                    };
+                    punch_reply.local_ip = u32::from_be_bytes(nat_info.local_ip.octets());
                     punch_reply.local_port = nat_info.local_port as u32;
                     let bytes = punch_reply.write_to_bytes()?;
                     let mut net_packet =
@@ -445,7 +476,7 @@ impl RecvHandler {
                     net_packet.set_version(Version::V1);
                     net_packet.set_protocol(Protocol::OtherTurn);
                     net_packet.set_transport_protocol(
-                        turn_packet::Protocol::Punch.into(),
+                        other_turn_packet::Protocol::Punch.into(),
                     );
                     net_packet.first_set_ttl(MAX_TTL);
                     net_packet.set_source(current_device.virtual_ip());
@@ -459,21 +490,29 @@ impl RecvHandler {
                         packet.set_transport_protocol(control_packet::Protocol::PunchRequest.into());
                         packet.set_source(current_device.virtual_ip());
                         packet.set_destination(source);
-                        let _ = self.channel.send_to_addr(packet.buffer(), SocketAddr::new(peer_nat_info.local_ip, peer_nat_info.local_port));
+                        let _ = context.send_main(packet.buffer(), SocketAddr::V4(SocketAddrV4::new(peer_nat_info.local_ip, peer_nat_info.local_port))).await;
                     }
-                    if let Err(e) = self.channel.punch(source, peer_nat_info) {
-                        log::warn!("发送到打洞通道失败 {:?}",e);
-                        return Ok(());
+                    if self.punch(source, peer_nat_info).await {
+                        context.send_by_key(net_packet.buffer(), route_key).await?;
                     }
-                    self.channel.send_to_route(net_packet.buffer(), route_key)?;
                 } else {
-                    let _ = self.channel.punch(source, peer_nat_info);
+                    self.punch(source, peer_nat_info).await;
                 }
             }
-            turn_packet::Protocol::UnKnow(e) => {
+            other_turn_packet::Protocol::Unknown(e) => {
                 log::warn!("不支持的转发协议 {:?},source:{:?}",e,source);
             }
         }
         Ok(())
     }
+    async fn punch(&self, peer_ip: Ipv4Addr, peer_nat_info: NatInfo) -> bool {
+        match peer_nat_info.nat_type {
+            NatType::Symmetric => {
+                self.symmetric_sender.try_send((peer_ip, peer_nat_info)).is_ok()
+            }
+            NatType::Cone => {
+                self.cone_sender.try_send((peer_ip, peer_nat_info)).is_ok()
+            }
+        }
+    }
 }

switch/src/handle/registration_handler.rs

@@ -1,12 +1,12 @@
 use std::io;
-use std::net::{Ipv4Addr, SocketAddr};
+use std::net::SocketAddr;
 use std::sync::atomic::{AtomicI64, Ordering};
 use std::time::Duration;
 
 use chrono::Local;
-use p2p_channel::channel::sender::Sender;
-use p2p_channel::channel::Channel;
 use protobuf::Message;
+use tokio::net::UdpSocket;
+use crate::channel::sender::ChannelSender;
 
 use crate::error::*;
 use crate::proto::message::{RegistrationRequest, RegistrationResponse};
@@ -14,8 +14,8 @@ use crate::protocol::error_packet::InErrorPacket;
 use crate::protocol::{service_packet, NetPacket, Protocol, Version, MAX_TTL};
 
 ///向中继服务器注册，token标识一个虚拟网关，device_id防止多次注册时得到的ip不一致
-pub fn registration(
-    channel: &mut Channel<Ipv4Addr>,
+pub async fn registration(
+    main_channel: &UdpSocket,
     server_address: SocketAddr,
     token: String,
     device_id: String,
@@ -26,52 +26,60 @@ pub fn registration(
     let buf = request_packet.buffer();
     let mut recv_buf = [0u8; 10240];
     let mut count = 0;
-    let len = loop {
-        match channel.send_to_addr(buf, server_address) {
+    loop {
+        match main_channel.send_to(buf, server_address).await {
             Ok(_) => {
-                match channel.recv_from(&mut recv_buf, Some(Duration::from_millis(300))) {
-                    Ok((len, route)) => {
-                        if server_address == route.addr {
-                            let net_packet = NetPacket::new(&recv_buf[..len])?;
-                            match net_packet.protocol() {
-                                Protocol::Service => {
-                                    match service_packet::Protocol::from(net_packet.transport_protocol()) {
-                                        service_packet::Protocol::RegistrationResponse => {
-                                            let response = RegistrationResponse::parse_from_bytes(net_packet.payload())?;
-                                            return Ok(response);
+                match tokio::time::timeout(Duration::from_millis(300), main_channel.recv_from(&mut recv_buf)).await {
+                    Ok(rs) => {
+                        match rs {
+                            Ok((len, addr)) => {
+                                if server_address == addr {
+                                    let net_packet = NetPacket::new(&recv_buf[..len])?;
+                                    match net_packet.protocol() {
+                                        Protocol::Service => {
+                                            match service_packet::Protocol::from(net_packet.transport_protocol()) {
+                                                service_packet::Protocol::RegistrationResponse => {
+                                                    let response = RegistrationResponse::parse_from_bytes(net_packet.payload())?;
+                                                    return Ok(response);
+                                                }
+                                                _ => println!("响应数据错误"),
+                                            }
+                                        }
+                                        Protocol::Error => {
+                                            match InErrorPacket::new(net_packet.transport_protocol(), net_packet.payload()) {
+                                                Ok(e) => match e {
+                                                    InErrorPacket::TokenError => return Err(Error::Stop("token错误".to_string())),
+                                                    InErrorPacket::Disconnect => {
+                                                        println!("断开连接");
+                                                    }
+                                                    InErrorPacket::AddressExhausted => {
+                                                        println!("地址用尽");
+                                                        log::warn!("地址用尽");
+                                                    }
+                                                    InErrorPacket::OtherError(e) => match e.message() {
+                                                        Ok(str) => {
+                                                            println!("其他异常:{:?}", str);
+                                                            log::warn!("其他异常{:?}",str);
+                                                        }
+                                                        Err(e) => println!("其他异常:{:?}", e),
+                                                    },
+                                                },
+                                                Err(e) => println!("数据解析异常:{:?}", e),
+                                            }
                                         }
                                         _ => println!("响应数据错误"),
-                                    }
+                                    };
                                 }
-                                Protocol::Error => {
-                                    match InErrorPacket::new(net_packet.transport_protocol(), net_packet.payload()) {
-                                        Ok(e) => match e {
-                                            InErrorPacket::TokenError => return Err(Error::Stop("token错误".to_string())),
-                                            InErrorPacket::Disconnect => {
-                                                println!("断开连接");
-                                            }
-                                            InErrorPacket::AddressExhausted => {
-                                                println!("地址用尽");
-                                                log::warn!("地址用尽");
-                                            }
-                                            InErrorPacket::OtherError(e) => match e.message() {
-                                                Ok(str) => {
-                                                    println!("其他异常:{:?}", str);
-                                                    log::warn!("其他异常{:?}",str);
-                                                }
-                                                Err(e) => println!("其他异常:{:?}", e),
-                                            },
-                                        },
-                                        Err(e) => println!("数据解析异常:{:?}", e),
-                                    }
-                                }
-                                _ => println!("响应数据错误"),
-                            };
+                            }
+                            Err(e) => {
+                                println!("接收服务器数据失败:{:?}", e);
+                                log::warn!("接收服务器数据失败:{:?}",e);
+                            }
                         }
                     }
-                    Err(e) => {
-                        println!("接收服务器数据失败:{:?}", e);
-                        log::warn!("接收服务器数据失败:{:?}",e);
+                    Err(_) => {
+                        println!("接收超时");
+                        log::warn!("接收超时");
                     }
                 }
             }
@@ -97,6 +105,7 @@ fn registration_request_packet(
     request.device_id = device_id;
     request.name = name;
     request.is_fast = is_fast;
+    request.version = "1.0.6".to_string();
     let bytes = request.write_to_bytes()?;
     let buf = vec![0u8; 12 + bytes.len()];
     let mut net_packet = NetPacket::new(buf)?;
@@ -109,7 +118,7 @@ fn registration_request_packet(
 }
 
 pub struct Register {
-    sender: Sender<Ipv4Addr>,
+    sender: ChannelSender,
     server_address: SocketAddr,
     token: String,
     device_id: String,
@@ -119,7 +128,7 @@ pub struct Register {
 
 impl Register {
     pub fn new(
-        sender: Sender<Ipv4Addr>,
+        sender: ChannelSender,
         server_address: SocketAddr,
         token: String,
         device_id: String,
@@ -134,7 +143,7 @@ impl Register {
             time: AtomicI64::new(0),
         }
     }
-    pub fn fast_register(&self) -> io::Result<()> {
+    pub async fn fast_register(&self) -> io::Result<()> {
         let last = self.time.load(Ordering::Relaxed);
         let new = Local::now().timestamp_millis();
         if new - last < 1000
@@ -155,7 +164,7 @@ impl Register {
         )
             .unwrap();
         let buf = request_packet.buffer();
-        self.sender.send_to_addr(buf, self.server_address)?;
+        self.sender.send_main(buf, self.server_address).await?;
         Ok(())
     }
 }

switch/src/handle/tap_handler.rs

@@ -1,163 +0,0 @@
-use std::net::{Ipv4Addr, SocketAddrV4};
-use std::sync::Arc;
-use std::{io, thread};
-use crossbeam::atomic::AtomicCell;
-use p2p_channel::channel::sender::Sender;
-use packet::arp::arp::ArpPacket;
-use packet::ethernet;
-use packet::ethernet::packet::EthernetPacket;
-use packet::icmp::icmp::IcmpPacket;
-use packet::icmp::Kind;
-use packet::ip::ipv4;
-use packet::ip::ipv4::packet::IpV4Packet;
-use crate::external_route::ExternalRoute;
-use crate::handle::{check_dest, CurrentDeviceInfo};
-use crate::ip_proxy::IpProxyMap;
-use crate::protocol::{MAX_TTL, NetPacket, Protocol, Version};
-use crate::tap_device::{TapReader, TapWriter};
-
-pub fn start(sender: Sender<Ipv4Addr>,
-             tap_reader: TapReader,
-             tap_writer: TapWriter,
-             current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
-             ip_route: ExternalRoute,
-             ip_proxy_map: IpProxyMap) {
-    thread::Builder::new().name("tap-handler".into()).spawn(move || {
-        if let Err(e) = start_(sender, tap_reader, tap_writer, current_device,ip_route,ip_proxy_map) {
-            log::warn!("{:?}",e);
-        }
-    }).unwrap();
-}
-
-fn start_(sender: Sender<Ipv4Addr>,
-          tap_reader: TapReader,
-          tap_writer: TapWriter,
-          current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
-          ip_route: ExternalRoute,
-          ip_proxy_map: IpProxyMap) -> io::Result<()> {
-    let mut net_packet = NetPacket::new(vec![0u8; 4 + 8 + 1500]).unwrap();
-    net_packet.set_version(Version::V1);
-    net_packet.set_protocol(Protocol::Ipv4Turn);
-    net_packet.set_transport_protocol(ipv4::protocol::Protocol::Ipv4.into());
-    net_packet.set_ttl(MAX_TTL);
-    let mut buf = [0; 2048];
-    loop {
-        let len = tap_reader.read(&mut buf)?;
-        if len == 0 {
-            continue;
-        }
-        let mut ethernet_packet = EthernetPacket::unchecked(&mut buf[..len]);
-        if let Err(e) = handle(&mut net_packet, &current_device, &tap_writer, &mut ethernet_packet, &sender,&ip_route,&ip_proxy_map) {
-            log::error!("tap handle{:?}",e);
-        }
-    }
-}
-
-fn handle(net_packet: &mut NetPacket<Vec<u8>>, current_device: &AtomicCell<CurrentDeviceInfo>, tap_writer: &TapWriter, ethernet_packet: &mut EthernetPacket<&mut [u8]>, sender: &Sender<Ipv4Addr>, ip_route: &ExternalRoute, proxy_map: &IpProxyMap) -> crate::Result<()> {
-    let current_device = current_device.load();
-    match ethernet_packet.protocol() {
-        ethernet::protocol::Protocol::Arp => {
-            let mut out_ethernet_packet = EthernetPacket::unchecked(ethernet_packet.buffer.to_vec());
-            let arp_packet = ArpPacket::unchecked(ethernet_packet.payload());
-            let mut out_arp_packet = ArpPacket::unchecked(out_ethernet_packet.payload_mut());
-            let sender_h = arp_packet.sender_hardware_addr();
-            let sender_p = arp_packet.sender_protocol_addr();
-            let target_p = arp_packet.target_protocol_addr();
-            if target_p == &[0, 0, 0, 0] || sender_p == &[0, 0, 0, 0] || target_p == sender_p {
-                return Ok(());
-            }
-            //回复一个虚假的MAC地址
-            out_arp_packet.set_sender_hardware_addr(&[target_p[0], target_p[1], target_p[2], target_p[3], 123, 234]);
-            out_arp_packet.set_sender_protocol_addr(target_p);
-            out_arp_packet.set_target_hardware_addr(sender_h);
-            out_arp_packet.set_target_protocol_addr(sender_p);
-            out_arp_packet.set_op_code(2);
-            out_ethernet_packet.set_source(&[target_p[0], target_p[1], target_p[2], target_p[3], 123, 234]);
-            out_ethernet_packet.set_destination(sender_h);
-
-            tap_writer.write(&out_ethernet_packet.buffer)?;
-        }
-        ethernet::protocol::Protocol::Ipv4 => {
-            // println!("in ethernet_packet {:?}", ethernet_packet);
-            let mut ipv4_packet = IpV4Packet::unchecked(ethernet_packet.payload_mut());
-            let src_ip = ipv4_packet.source_ip();
-            let mut dest_ip = ipv4_packet.destination_ip();
-            if src_ip != current_device.virtual_ip() {
-                return Ok(());
-            }
-            if !check_dest(dest_ip, current_device.virtual_netmask, current_device.virtual_network) && !dest_ip.is_broadcast() {
-                if let Some(r_dest_ip) = ip_route.route(&dest_ip) {
-                    //路由的目标不能是自己
-                    if r_dest_ip == src_ip {
-                        return Ok(());
-                    }
-                    dest_ip = r_dest_ip;
-                } else {
-                    return Ok(());
-                }
-            }else{
-                match ipv4_packet.protocol() {
-                    ipv4::protocol::Protocol::Tcp => {
-                        let dest_addr = {
-                            let tcp_packet = packet::tcp::tcp::TcpPacket::new(src_ip, dest_ip, ipv4_packet.payload())?;
-                            SocketAddrV4::new(dest_ip, tcp_packet.destination_port())
-                        };
-                        if let Some(entry) = proxy_map.tcp_proxy_map.get(&dest_addr) {
-                            let source_addr = entry.value().1;
-                            let source_ip = *source_addr.ip();
-                            let mut tcp_packet = packet::tcp::tcp::TcpPacket::new(source_ip, dest_ip, ipv4_packet.payload_mut())?;
-                            tcp_packet.set_source_port(source_addr.port());
-                            tcp_packet.update_checksum();
-                            ipv4_packet.set_source_ip(source_ip);
-                            ipv4_packet.update_checksum();
-                        }
-                    }
-                    ipv4::protocol::Protocol::Udp => {
-                        let dest_addr = {
-                            let udp_packet = packet::udp::udp::UdpPacket::new(src_ip, dest_ip, ipv4_packet.payload())?;
-                            SocketAddrV4::new(dest_ip, udp_packet.destination_port())
-                        };
-                        if let Some(entry) = proxy_map.udp_proxy_map.get(&dest_addr) {
-                            let source_addr = entry.value().1;
-                            let source_ip = *source_addr.ip();
-                            let mut udp_packet = packet::udp::udp::UdpPacket::new(src_ip, dest_ip, ipv4_packet.payload_mut())?;
-                            udp_packet.set_source_port(source_addr.port());
-                            udp_packet.update_checksum();
-                            ipv4_packet.set_source_ip(source_ip);
-                            ipv4_packet.update_checksum();
-                        }
-                    }
-                    _ => {}
-                }
-            }
-            if src_ip == dest_ip {
-                if ipv4_packet.protocol() == ipv4::protocol::Protocol::Icmp {
-                    let mut icmp = IcmpPacket::unchecked(ipv4_packet.payload_mut());
-                    if icmp.kind() == Kind::EchoRequest {
-                        icmp.set_kind(Kind::EchoReply);
-                        icmp.update_checksum();
-                        let src = ipv4_packet.source_ip();
-                        ipv4_packet.set_source_ip(ipv4_packet.destination_ip());
-                        ipv4_packet.set_destination_ip(src);
-                        ipv4_packet.update_checksum();
-                        tap_writer.write(ethernet_packet.buffer)?;
-                        return Ok(());
-                    }
-                }
-            }
-            net_packet.set_source(src_ip);
-            net_packet.set_destination(dest_ip);
-            let data_len = ipv4_packet.buffer.len();
-            net_packet.set_payload(ipv4_packet.buffer);
-            //优先发到直连到地址
-            if sender.send_to_id(&net_packet.buffer()[..(12 + data_len)], &dest_ip).is_err() {
-                sender.send_to_addr(&net_packet.buffer()[..(12 + data_len)], current_device.connect_server)?;
-            }
-        }
-        _ => {
-            // log::warn!("不支持的二层协议：{:?}",p)
-        }
-    }
-    Ok(())
-}
-

switch/src/handle/tun_handler.rs

@@ -1,175 +0,0 @@
-use std::{io, thread};
-use std::net::{Ipv4Addr, SocketAddrV4};
-use std::sync::Arc;
-
-use crossbeam::atomic::AtomicCell;
-
-use p2p_channel::channel::sender::Sender;
-use packet::icmp:: Kind;
-use packet::icmp::icmp:: IcmpPacket;
-use packet::ip::ipv4;
-use packet::ip::ipv4::packet::IpV4Packet;
-
-use crate::error::*;
-use crate::external_route::ExternalRoute;
-use crate::handle::{check_dest, CurrentDeviceInfo};
-use crate::ip_proxy::IpProxyMap;
-use crate::protocol::{MAX_TTL, NetPacket, Protocol, Version};
-use crate::tun_device::{TunReader, TunWriter};
-
-fn icmp(tun_writer: &TunWriter, mut ipv4_packet: IpV4Packet<&mut [u8]>) -> Result<()> {
-    if ipv4_packet.protocol() == ipv4::protocol::Protocol::Icmp {
-        let mut icmp = IcmpPacket::new(ipv4_packet.payload_mut())?;
-        if icmp.kind() == Kind::EchoRequest {
-            icmp.set_kind(Kind::EchoReply);
-            icmp.update_checksum();
-            let src = ipv4_packet.source_ip();
-            ipv4_packet.set_source_ip(ipv4_packet.destination_ip());
-            ipv4_packet.set_destination_ip(src);
-            ipv4_packet.update_checksum();
-            tun_writer.write(ipv4_packet.buffer)?;
-        }
-    }
-    Ok(())
-}
-
-/// 接收tun数据，并且转发到udp上
-#[inline]
-fn handle(sender: &Sender<Ipv4Addr>, data: &mut [u8], tun_writer: &TunWriter, current_device: CurrentDeviceInfo, net_packet: &mut NetPacket<[u8; 1512]>, ip_route: &ExternalRoute, proxy_map: &IpProxyMap) -> Result<()> {
-    let data_len = data.len();
-    let mut ipv4_packet = match IpV4Packet::new(data) {
-        Ok(ipv4_packet) => ipv4_packet,
-        Err(packet::error::Error::Unimplemented) => {
-            return Ok(());
-        }
-        Err(e) => Err(e)?,
-    };
-    let src_ip = ipv4_packet.source_ip();
-    let mut dest_ip = ipv4_packet.destination_ip();
-    // if dest_ip == cur_info.broadcast_address {
-    //     // 启动服务后会收到对137端口的广播
-    //     // 137端口是在局域网中提供计算机的名字或IP地址查询服务
-    //     return Ok(());
-    // }
-    if src_ip != current_device.virtual_ip() {
-        return Ok(());
-    }
-    if src_ip == dest_ip {
-        return icmp(&tun_writer, ipv4_packet);
-    }
-    if !check_dest(dest_ip, current_device.virtual_netmask, current_device.virtual_network) && !dest_ip.is_broadcast() {
-        // println!("非目标 {:?}",ipv4_packet);
-        if let Some(r_dest_ip) = ip_route.route(&dest_ip) {
-            //路由的目标不能是自己
-            if r_dest_ip == src_ip {
-                return Ok(());
-            }
-            dest_ip = r_dest_ip;
-        } else {
-            return Ok(());
-        }
-    } else {
-        match ipv4_packet.protocol() {
-            ipv4::protocol::Protocol::Tcp => {
-                let dest_addr = {
-                    let tcp_packet = packet::tcp::tcp::TcpPacket::new(src_ip, dest_ip, ipv4_packet.payload())?;
-                    SocketAddrV4::new(dest_ip, tcp_packet.destination_port())
-                };
-                if let Some(entry) = proxy_map.tcp_proxy_map.get(&dest_addr) {
-                    let source_addr = entry.value().1;
-                    let source_ip = *source_addr.ip();
-                    let mut tcp_packet = packet::tcp::tcp::TcpPacket::new(source_ip, dest_ip, ipv4_packet.payload_mut())?;
-                    tcp_packet.set_source_port(source_addr.port());
-                    tcp_packet.update_checksum();
-                    ipv4_packet.set_source_ip(source_ip);
-                    ipv4_packet.update_checksum();
-                }
-            }
-            ipv4::protocol::Protocol::Udp => {
-                let dest_addr = {
-                    let udp_packet = packet::udp::udp::UdpPacket::new(src_ip, dest_ip, ipv4_packet.payload())?;
-                    SocketAddrV4::new(dest_ip, udp_packet.destination_port())
-                };
-                if let Some(entry) = proxy_map.udp_proxy_map.get(&dest_addr) {
-                    let source_addr = entry.value().1;
-                    let source_ip = *source_addr.ip();
-                    let mut udp_packet = packet::udp::udp::UdpPacket::new(source_ip, dest_ip, ipv4_packet.payload_mut())?;
-                    udp_packet.set_source_port(source_addr.port());
-                    udp_packet.update_checksum();
-                    ipv4_packet.set_source_ip(source_ip);
-                    ipv4_packet.update_checksum();
-                }
-            }
-            _ => {}
-        }
-    }
-
-    net_packet.set_source(src_ip);
-    net_packet.set_destination(dest_ip);
-    net_packet.set_payload(ipv4_packet.buffer);
-    //优先发到直连到地址
-    if sender.send_to_id(&net_packet.buffer()[..(12 + data_len)], &dest_ip).is_err() {
-        sender.send_to_addr(&net_packet.buffer()[..(12 + data_len)], current_device.connect_server)?;
-    }
-    return Ok(());
-}
-
-pub fn start(sender: Sender<Ipv4Addr>,
-             tun_reader: TunReader,
-             tun_writer: TunWriter,
-             current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
-             ip_route: ExternalRoute,
-             ip_proxy_map: IpProxyMap) {
-    thread::Builder::new().name("tun-handler".into()).spawn(move || {
-        if let Err(e) = start_(sender, tun_reader, tun_writer, current_device, ip_route, ip_proxy_map) {
-            log::warn!("{:?}",e);
-        }
-    }).unwrap();
-}
-
-#[cfg(target_os = "windows")]
-fn start_(sender: Sender<Ipv4Addr>,
-          tun_reader: TunReader,
-          tun_writer: TunWriter,
-          current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
-          ip_route: ExternalRoute,
-          ip_proxy_map: IpProxyMap) -> io::Result<()> {
-    let mut net_packet = NetPacket::new([0u8; 4 + 8 + 1500])?;
-    net_packet.set_version(Version::V1);
-    net_packet.set_protocol(Protocol::Ipv4Turn);
-    net_packet.set_transport_protocol(ipv4::protocol::Protocol::Ipv4.into());
-    net_packet.set_ttl(MAX_TTL);
-    loop {
-        let mut data = tun_reader.next()?;
-        match handle(&sender, data.bytes_mut(), &tun_writer, current_device.load(), &mut net_packet, &ip_route, &ip_proxy_map) {
-            Ok(_) => {}
-            Err(e) => {
-                log::warn!("{:?}", e)
-            }
-        }
-    }
-}
-
-#[cfg(any(target_os = "linux", target_os = "macos"))]
-fn start_(sender: Sender<Ipv4Addr>,
-          tun_reader: TunReader,
-          tun_writer: TunWriter,
-          current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
-          ip_route: ExternalRoute,
-          ip_proxy_map: IpProxyMap) -> io::Result<()> {
-    let mut net_packet = NetPacket::new([0u8; 4 + 8 + 1500])?;
-    net_packet.set_version(Version::V1);
-    net_packet.set_protocol(Protocol::Ipv4Turn);
-    net_packet.set_transport_protocol(ipv4::protocol::Protocol::Ipv4.into());
-    net_packet.set_ttl(MAX_TTL);
-    let mut buf = [0; 4096];
-    loop {
-        let len = tun_reader.read(&mut buf)?;
-        match handle(&sender, &mut buf[..len], &tun_writer, current_device.load(), &mut net_packet, &ip_route, &ip_proxy_map) {
-            Ok(_) => {}
-            Err(e) => {
-                log::warn!("{:?}", e)
-            }
-        }
-    }
-}

switch/src/handle/tun_tap/mod.rs

@@ -0,0 +1,215 @@
+use std::io;
+use std::net::{Ipv4Addr, SocketAddrV4};
+use aes_gcm::{AeadInPlace, Aes256Gcm, Nonce};
+use aes_gcm::aead::consts::U12;
+use aes_gcm::aead::generic_array::GenericArray;
+use packet::ip::ipv4::packet::IpV4Packet;
+use packet::ip::ipv4::protocol::Protocol;
+use packet::tcp::tcp::TcpPacket;
+use packet::udp::udp::UdpPacket;
+use crate::channel::sender::ChannelSender;
+use crate::external_route::ExternalRoute;
+use crate::handle::{check_dest, CurrentDeviceInfo};
+use crate::ip_proxy::IpProxyMap;
+use crate::protocol::{ip_turn_packet, NetPacket, Version};
+use crate::error::*;
+use crate::igmp_server::IgmpServer;
+use crate::protocol;
+use crate::protocol::ip_turn_packet::BroadcastPacketEnd;
+
+pub mod tun_handler;
+pub mod tap_handler;
+
+async fn broadcast(sender: &ChannelSender, net_packet: &mut NetPacket<&mut [u8]>, data_len: usize, current_device: &CurrentDeviceInfo) -> Result<()> {
+    let mut peer_ips = Vec::with_capacity(8);
+    let vec = sender.direct_route_table_one();
+    for (peer_ip, route) in vec {
+        if sender.send_by_key(&net_packet.buffer()[..data_len], &route.route_key()).await.is_ok() {
+            peer_ips.push(peer_ip);
+        }
+    }
+    if peer_ips.is_empty() {
+        sender.send_main(&net_packet.buffer()[..data_len], current_device.connect_server).await?;
+    } else {
+        let end_len = 1 + peer_ips.len() * 4;
+        //剩余的发送到服务端，需要告知哪些已发送过
+        //放在末尾可以减少复制次数
+        let mut broadcast = BroadcastPacketEnd::unchecked(&mut net_packet.buffer_mut()[data_len..data_len + end_len]);
+        broadcast.set_address(&peer_ips)?;
+        net_packet.set_transport_protocol(ip_turn_packet::Protocol::Ipv4Broadcast.into());
+        sender.send_main(&net_packet.buffer()[..(data_len + end_len)], current_device.connect_server).await?;
+    }
+    Ok(())
+}
+
+async fn multicast(igmp_server: &IgmpServer, multicast_addr: Ipv4Addr, sender: &ChannelSender, net_packet: &mut NetPacket<&mut [u8]>, data_len: usize, current_device: &CurrentDeviceInfo) -> Result<()> {
+    let mut peer_ips = Vec::with_capacity(8);
+    let vec = sender.direct_route_table_one();
+    if let Some(members) = igmp_server.load(&multicast_addr) {
+        for (peer_ip, route) in vec {
+            let is_send = {members.read().is_send(&peer_ip)};
+            if is_send {
+                if sender.send_by_key(&net_packet.buffer()[..data_len], &route.route_key()).await.is_ok() {
+                    peer_ips.push(peer_ip);
+                    if peer_ips.len() == u8::MAX as usize {
+                        break;
+                    }
+                }
+            }
+        }
+    }
+    if peer_ips.is_empty() {
+        sender.send_main(&net_packet.buffer()[..data_len], current_device.connect_server).await?;
+    } else {
+        let end_len = 1 + peer_ips.len() * 4;
+        //剩余的发送到服务端，需要告知哪些已发送过
+        //放在末尾可以减少复制次数
+        let mut broadcast = BroadcastPacketEnd::unchecked(&mut net_packet.buffer_mut()[data_len..data_len + end_len]);
+        broadcast.set_address(&peer_ips)?;
+        net_packet.set_transport_protocol(ip_turn_packet::Protocol::Ipv4Broadcast.into());
+        sender.send_main(&net_packet.buffer()[..(data_len + end_len)], current_device.connect_server).await?;
+    }
+    Ok(())
+}
+
+/// 实现一个原地发送，必须保证是如下结构
+/// |12字节开头|ip报文|至少1024字节+12字节结尾|
+///
+#[inline]
+pub async fn base_handle(sender: &ChannelSender, buf: &mut [u8],
+                         mut data_len: usize,//数据总长度=ip长度+12
+                         igmp_server: &IgmpServer,
+                         current_device: CurrentDeviceInfo,
+                         ip_route: &ExternalRoute, proxy_map: &IpProxyMap, cipher: &Option<Aes256Gcm>) -> Result<()> {
+    let ipv4_packet = IpV4Packet::new(&buf[12..data_len])?;
+    let protocol = ipv4_packet.protocol();
+    let ip_head_len = ipv4_packet.header_len() as usize * 4;
+    let src_ip = ipv4_packet.source_ip();
+    let mut dest_ip = ipv4_packet.destination_ip();
+    let mut net_packet = NetPacket::new(buf)?;
+    net_packet.set_version(Version::V1);
+    net_packet.set_protocol(protocol::Protocol::IpTurn);
+    net_packet.set_transport_protocol(ip_turn_packet::Protocol::Ipv4.into());
+    net_packet.first_set_ttl(3);
+    net_packet.set_source(src_ip);
+    net_packet.set_destination(dest_ip);
+    if dest_ip == current_device.virtual_gateway {
+        if protocol == Protocol::Icmp {
+            net_packet.set_transport_protocol(ip_turn_packet::Protocol::Icmp.into());
+            //发送到服务端的不加密
+            sender.send_main(&net_packet.buffer()[..data_len], current_device.connect_server).await?;
+        }
+        return Ok(());
+    }
+    if dest_ip.is_multicast() {
+        if protocol == Protocol::Igmp {
+            net_packet.set_transport_protocol(ip_turn_packet::Protocol::Igmp.into());
+            //发送到服务端
+            sender.send_main(&net_packet.buffer()[..data_len], current_device.connect_server).await?;
+            return Ok(());
+        }
+    }
+    if dest_ip.is_broadcast() || current_device.broadcast_address == dest_ip {
+        // 广播 发送到直连目标
+        if Protocol::Udp == protocol {
+            if let Some(cipher) = cipher {
+                //需要加密
+                encrypt(cipher, &mut data_len, &mut net_packet)?;
+            }
+            broadcast(sender, &mut net_packet, data_len, &current_device).await?;
+        }
+        return Ok(());
+    } else if dest_ip.is_multicast() {
+        if protocol == Protocol::Udp {
+            if let Some(cipher) = cipher {
+                //需要加密
+                encrypt(cipher, &mut data_len, &mut net_packet)?;
+            }
+            multicast(igmp_server, dest_ip, sender, &mut net_packet, data_len, &current_device).await?;
+        }
+        return Ok(());
+    } else {
+        if !check_dest(dest_ip, current_device.virtual_netmask, current_device.virtual_network) {
+            if let Some(r_dest_ip) = ip_route.route(&dest_ip) {
+                //路由的目标不能是自己
+                if r_dest_ip == src_ip {
+                    return Ok(());
+                }
+                //需要修改目的地址
+                dest_ip = r_dest_ip;
+                net_packet.set_destination(r_dest_ip);
+            } else {
+                return Ok(());
+            }
+        } else {
+            match protocol {
+                Protocol::Tcp => {
+                    let dest_addr = {
+                        let tcp_packet = TcpPacket::new(src_ip, dest_ip, &mut net_packet.buffer_mut()[12 + ip_head_len..data_len])?;
+                        SocketAddrV4::new(dest_ip, tcp_packet.destination_port())
+                    };
+                    if let Some(entry) = proxy_map.tcp_proxy_map.get(&dest_addr) {
+                        let source_addr = entry.value().1;
+                        let source_ip = *source_addr.ip();
+                        let mut tcp_packet = TcpPacket::new(source_ip, dest_ip, &mut net_packet.buffer_mut()[12 + ip_head_len..data_len])?;
+                        tcp_packet.set_source_port(source_addr.port());
+                        tcp_packet.update_checksum();
+                        let mut ipv4_packet = IpV4Packet::new(&mut net_packet.buffer_mut()[12..data_len])?;
+                        ipv4_packet.set_source_ip(source_ip);
+                        ipv4_packet.update_checksum();
+                    }
+                }
+                Protocol::Udp => {
+                    let dest_addr = {
+                        let udp_packet = UdpPacket::new(src_ip, dest_ip, &mut net_packet.buffer_mut()[12 + ip_head_len..data_len])?;
+                        SocketAddrV4::new(dest_ip, udp_packet.destination_port())
+                    };
+                    if let Some(entry) = proxy_map.udp_proxy_map.get(&dest_addr) {
+                        let source_addr = entry.value().1;
+                        let source_ip = *source_addr.ip();
+                        let mut udp_packet = UdpPacket::new(source_ip, dest_ip, &mut net_packet.buffer_mut()[12 + ip_head_len..data_len])?;
+                        udp_packet.set_source_port(source_addr.port());
+                        udp_packet.update_checksum();
+                        let mut ipv4_packet = IpV4Packet::new(&mut net_packet.buffer_mut()[12..data_len])?;
+                        ipv4_packet.set_source_ip(source_ip);
+                        ipv4_packet.update_checksum();
+                    }
+                }
+                _ => {}
+            }
+        }
+    }
+    if let Some(cipher) = cipher {
+        //需要加密
+        encrypt(cipher, &mut data_len, &mut net_packet)?;
+    }
+
+    //优先发到直连到地址
+    if sender.send_by_id(&net_packet.buffer()[..data_len], &dest_ip).await.is_err() {
+        sender.send_main(&net_packet.buffer()[..data_len], current_device.connect_server).await?;
+    }
+    return Ok(());
+}
+
+fn encrypt(cipher: &Aes256Gcm, data_len: &mut usize, net_packet: &mut NetPacket<&mut [u8]>) -> io::Result<()> {
+    let mut nonce = [0; 12];
+    nonce[0..4].copy_from_slice(&net_packet.source().octets());
+    nonce[4..8].copy_from_slice(&net_packet.destination().octets());
+    nonce[8] = protocol::Protocol::IpTurn.into();
+    nonce[9] = ip_turn_packet::Protocol::Ipv4.into();
+    let nonce: &GenericArray<u8, U12> = Nonce::from_slice(&nonce);
+    return match cipher.encrypt_in_place_detached(nonce, &[], &mut net_packet.payload_mut()[..*data_len - 12]) {
+        Ok(tag) => {
+            if tag.len() != 16 {
+                return Err(io::Error::new(io::ErrorKind::Other, format!("加密tag长度错误:{}", tag.len())));
+            }
+            net_packet.set_encrypt_flag(true);
+            net_packet.payload_mut()[*data_len - 12..*data_len - 12 + 16].copy_from_slice(tag.as_slice());
+            *data_len += 16;
+            Ok(())
+        }
+        Err(e) => {
+            Err(io::Error::new(io::ErrorKind::Other, format!("加密失败:{}", e)))
+        }
+    };
+}

switch/src/handle/tun_tap/tap_handler.rs

@@ -0,0 +1,119 @@
+use std::sync::Arc;
+use std::{io, thread};
+use aes_gcm::Aes256Gcm;
+use crossbeam::atomic::AtomicCell;
+use packet::arp::arp::ArpPacket;
+use packet::ethernet;
+use packet::ethernet::packet::EthernetPacket;
+use packet::icmp::icmp::IcmpPacket;
+use packet::icmp::Kind;
+use packet::ip::ipv4;
+use packet::ip::ipv4::packet::IpV4Packet;
+use crate::channel::sender::ChannelSender;
+use crate::external_route::ExternalRoute;
+use crate::handle::CurrentDeviceInfo;
+use crate::igmp_server::IgmpServer;
+use crate::ip_proxy::IpProxyMap;
+use crate::tun_tap_device::{DeviceReader, DeviceWriter};
+
+pub fn start(sender: ChannelSender,
+             device_reader: DeviceReader,
+             device_writer: DeviceWriter,
+             igmp_server: IgmpServer,
+             current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
+             ip_route: ExternalRoute,
+             ip_proxy_map: IpProxyMap,
+             cipher: Option<Aes256Gcm>) {
+    thread::Builder::new().name("tap-handler".into()).spawn(move || {
+        tokio::runtime::Builder::new_current_thread()
+            .enable_all().build().unwrap()
+            .block_on(async move {
+                if let Err(e) = start_(sender, device_reader,
+                                       device_writer, igmp_server,
+                                       current_device, ip_route, ip_proxy_map, cipher).await {
+                    log::warn!("tap:{:?}",e);
+                }
+            });
+    }).unwrap();
+}
+
+async fn start_(sender: ChannelSender,
+                device_reader: DeviceReader,
+                device_writer: DeviceWriter,
+                igmp_server: IgmpServer,
+                current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
+                ip_route: ExternalRoute,
+                ip_proxy_map: IpProxyMap,
+                cipher: Option<Aes256Gcm>) -> io::Result<()> {
+    let mut buf = [0; 2048];
+    loop {
+        //ip拆包了会直接丢弃？
+        let len = device_reader.read(&mut buf)?;
+        if let Err(e) = handle(&mut buf, len, &igmp_server, &current_device, &device_writer, &sender, &ip_route, &ip_proxy_map, &cipher).await {
+            log::error!("tap handle{:?}",e);
+        }
+    }
+}
+
+async fn handle(buf: &mut [u8], len: usize, igmp_server: &IgmpServer, current_device: &AtomicCell<CurrentDeviceInfo>,
+                device_writer: &DeviceWriter, sender: &ChannelSender, ip_route: &ExternalRoute, proxy_map: &IpProxyMap, cipher: &Option<Aes256Gcm>) -> crate::Result<()> {
+    let mut ethernet_packet = EthernetPacket::new(&mut buf[..len])?;
+    let current_device = current_device.load();
+    match ethernet_packet.protocol() {
+        ethernet::protocol::Protocol::Arp => {
+            let mut out_ethernet_packet = EthernetPacket::unchecked(ethernet_packet.buffer.to_vec());
+            let arp_packet = ArpPacket::unchecked(ethernet_packet.payload());
+            let mut out_arp_packet = ArpPacket::unchecked(out_ethernet_packet.payload_mut());
+            let sender_h = arp_packet.sender_hardware_addr();
+            let sender_p = arp_packet.sender_protocol_addr();
+            let target_p = arp_packet.target_protocol_addr();
+            if target_p == &[0, 0, 0, 0] || sender_p == &[0, 0, 0, 0] || target_p == sender_p {
+                return Ok(());
+            }
+            //回复一个虚假的MAC地址
+            out_arp_packet.set_sender_hardware_addr(&[target_p[0], target_p[1], target_p[2], target_p[3], !sender_h[5], 234]);
+            out_arp_packet.set_sender_protocol_addr(target_p);
+            out_arp_packet.set_target_hardware_addr(sender_h);
+            out_arp_packet.set_target_protocol_addr(sender_p);
+            out_arp_packet.set_op_code(2);
+            out_ethernet_packet.set_source(&[target_p[0], target_p[1], target_p[2], target_p[3], !sender_h[5], 234]);
+            out_ethernet_packet.set_destination(sender_h);
+            device_writer.write_ethernet_tap(&out_ethernet_packet.buffer)?;
+        }
+        ethernet::protocol::Protocol::Ipv4 => {
+            let mut ipv4_packet = IpV4Packet::unchecked(ethernet_packet.payload_mut());
+            let src_ip = ipv4_packet.source_ip();
+            if src_ip != current_device.virtual_ip() {
+                return Ok(());
+            }
+            let dest_ip = ipv4_packet.destination_ip();
+            let protocol = ipv4_packet.protocol();
+            if src_ip == dest_ip {
+                if protocol == ipv4::protocol::Protocol::Icmp {
+                    let mut icmp = IcmpPacket::new(ipv4_packet.payload_mut())?;
+                    if icmp.kind() == Kind::EchoRequest {
+                        icmp.set_kind(Kind::EchoReply);
+                        icmp.update_checksum();
+                        ipv4_packet.set_source_ip(dest_ip);
+                        ipv4_packet.set_destination_ip(src_ip);
+                        ipv4_packet.update_checksum();
+                        let source = ethernet_packet.source().to_vec();
+                        let dest = ethernet_packet.destination().to_vec();
+                        ethernet_packet.set_source(&dest);
+                        ethernet_packet.set_destination(&source);
+                        device_writer.write_ethernet_tap(&ethernet_packet.buffer)?;
+                    }
+                }
+                return Ok(());
+            }
+            // 以太网帧头部14字节，预留12字节
+            return crate::handle::tun_tap::base_handle(sender, &mut buf[2..], len - 2, igmp_server, current_device,
+                                                       ip_route, proxy_map, cipher).await;
+        }
+        _ => {
+            // log::warn!("不支持的二层协议：{:?}",p)
+        }
+    }
+    Ok(())
+}
+

switch/src/handle/tun_tap/tun_handler.rs

@@ -0,0 +1,93 @@
+use std::{io, thread};
+use std::sync::Arc;
+use aes_gcm::Aes256Gcm;
+
+use crossbeam::atomic::AtomicCell;
+
+use packet::icmp::Kind;
+use packet::icmp::icmp::IcmpPacket;
+use packet::ip::ipv4;
+use packet::ip::ipv4::packet::IpV4Packet;
+use crate::channel::sender::ChannelSender;
+
+use crate::error::*;
+use crate::external_route::ExternalRoute;
+use crate::handle::CurrentDeviceInfo;
+use crate::igmp_server::IgmpServer;
+use crate::ip_proxy::IpProxyMap;
+use crate::tun_tap_device::{DeviceReader, DeviceWriter};
+
+fn icmp(device_writer: &DeviceWriter, mut ipv4_packet: IpV4Packet<&mut [u8]>) -> Result<()> {
+    if ipv4_packet.protocol() == ipv4::protocol::Protocol::Icmp {
+        let mut icmp = IcmpPacket::new(ipv4_packet.payload_mut())?;
+        if icmp.kind() == Kind::EchoRequest {
+            icmp.set_kind(Kind::EchoReply);
+            icmp.update_checksum();
+            let src = ipv4_packet.source_ip();
+            ipv4_packet.set_source_ip(ipv4_packet.destination_ip());
+            ipv4_packet.set_destination_ip(src);
+            ipv4_packet.update_checksum();
+            device_writer.write_ipv4_tun(ipv4_packet.buffer)?;
+        }
+    }
+    Ok(())
+}
+
+/// 接收tun数据，并且转发到udp上
+#[inline]
+async fn handle(sender: &ChannelSender, data: &mut [u8], len: usize, device_writer: &DeviceWriter, igmp_server: &IgmpServer, current_device: CurrentDeviceInfo,
+                ip_route: &ExternalRoute, proxy_map: &IpProxyMap,cipher: &Option<Aes256Gcm>) -> Result<()> {
+    let ipv4_packet = if let Ok(ipv4_packet) = IpV4Packet::new(&mut data[12..len]) {
+        ipv4_packet
+    } else {
+        return Ok(());
+    };
+    let src_ip = ipv4_packet.source_ip();
+    let dest_ip = ipv4_packet.destination_ip();
+    if src_ip != current_device.virtual_ip() {
+        return Ok(());
+    }
+    if src_ip == dest_ip {
+        return icmp(&device_writer, ipv4_packet);
+    }
+    return crate::handle::tun_tap::base_handle(sender, data, len, igmp_server, current_device, ip_route, proxy_map,cipher).await;
+}
+
+pub fn start(sender: ChannelSender,
+             device_reader: DeviceReader,
+             device_writer: DeviceWriter,
+             igmp_server: IgmpServer,
+             current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
+             ip_route: ExternalRoute,
+             ip_proxy_map: IpProxyMap,
+             cipher: Option<Aes256Gcm>) {
+    thread::Builder::new().name("tun-handler".into()).spawn(move || {
+        tokio::runtime::Builder::new_current_thread()
+            .enable_all().build().unwrap()
+            .block_on(async move {
+                if let Err(e) = start_(sender, device_reader, device_writer, igmp_server, current_device, ip_route, ip_proxy_map,cipher).await {
+                    log::warn!("tun:{:?}",e);
+                }
+            })
+    }).unwrap();
+}
+
+async fn start_(sender: ChannelSender,
+                device_reader: DeviceReader,
+                device_writer: DeviceWriter,
+                igmp_server: IgmpServer,
+                current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
+                ip_route: ExternalRoute,
+                ip_proxy_map: IpProxyMap,
+                cipher: Option<Aes256Gcm>) -> io::Result<()> {
+    let mut buf = [0; 4096];
+    loop {
+        let len = device_reader.read(&mut buf[12..])? + 12;
+        match handle(&sender, &mut buf, len, &device_writer, &igmp_server, current_device.load(), &ip_route, &ip_proxy_map,&cipher).await {
+            Ok(_) => {}
+            Err(e) => {
+                log::warn!("{:?}", e)
+            }
+        }
+    }
+}

switch/src/igmp_server/mod.rs

@@ -0,0 +1,248 @@
+use std::collections::{HashMap, HashSet};
+use std::net::Ipv4Addr;
+use std::sync::Arc;
+use std::time::Duration;
+use moka::sync::Cache;
+use parking_lot::RwLock;
+use packet::igmp::igmp_v2::IgmpV2Packet;
+use packet::igmp::igmp_v3::{IgmpV3QueryPacket, IgmpV3RecordType, IgmpV3ReportPacket};
+use packet::igmp::IgmpType;
+use packet::ip::ipv4::protocol::Protocol;
+use crate::tun_tap_device::DeviceWriter;
+
+//1. 定时发送query，启动时20秒一次，连发3次，之后8分钟一次
+//2. 接收网关的igmp report 维护组播源信息
+#[derive(Clone, Debug)]
+pub struct Multicast {
+    //成员虚拟ip
+    members: HashSet<Ipv4Addr>,
+    //是否是过滤模式
+    //成员过滤或包含的源ip
+    map: HashMap<Ipv4Addr, (bool, HashSet<Ipv4Addr>)>,
+}
+
+impl Multicast {
+    pub fn new() -> Self {
+        Self {
+            members: Default::default(),
+            map: Default::default(),
+        }
+    }
+    pub fn is_send(&self, ip: &Ipv4Addr) -> bool {
+        if self.members.contains(ip) {
+            if let Some((is_include, set)) = self.map.get(ip) {
+                if *is_include {
+                    set.contains(ip)
+                } else {
+                    !set.contains(ip)
+                }
+            } else {
+                true
+            }
+        } else {
+            false
+        }
+    }
+}
+
+#[derive(Clone)]
+pub struct IgmpServer {
+    multicast: Cache<Ipv4Addr, Arc<RwLock<Multicast>>>,
+    members: Cache<(Ipv4Addr, Ipv4Addr), ()>,
+}
+
+impl IgmpServer {
+    pub fn new(device_writer: DeviceWriter) -> Self {
+        let multicast: Cache<Ipv4Addr, Arc<RwLock<Multicast>>> = Cache::builder()
+            .time_to_idle(Duration::from_secs(30 * 60)).build();
+        let m = multicast.clone();
+        let members: Cache<(Ipv4Addr, Ipv4Addr), ()> = Cache::builder()
+            .time_to_idle(Duration::from_secs(20 * 60)).eviction_listener(move |k: Arc<(Ipv4Addr, Ipv4Addr)>, _, cause| {
+            if cause == moka::notification::RemovalCause::Replaced {
+                return;
+            }
+            log::info!("MULTICAST_MEMBER eviction {:?}", k);
+            if let Some(v) = m.get(&k.0) {
+                let mut lock = v.write();
+                lock.members.remove(&k.1);
+                lock.map.remove(&k.1);
+            }
+        }).build();
+        std::thread::spawn(move || {
+            //定时发送query，启动时20秒一次，连发3次，之后125秒一次
+            let mut count = 0;
+            //预留以太网帧头和ip头
+            let mut buf = [0; 14 + 24 + 12];
+            let dest = Ipv4Addr::new(224, 0, 0, 1);
+            let src = Ipv4Addr::new(10, 26, 0, 1);
+            {
+                let buf = &mut buf[14..];
+                let len = buf.len();
+                // ipv4 头部20字节
+                buf[0] = 0b0100_0110;
+                //写入总长度
+                buf[2..4].copy_from_slice(&(len as u16).to_be_bytes());
+                //ttl
+                buf[8] = 1;
+                buf[20] = 0x94;
+                buf[21] = 0x04;
+                let mut ipv4 = packet::ip::ipv4::packet::IpV4Packet::unchecked(buf);
+                ipv4.set_flags(2);
+                ipv4.set_protocol(Protocol::Igmp);
+                ipv4.set_source_ip(src);
+                ipv4.set_destination_ip(dest);
+                ipv4.update_checksum();
+            }
+            {
+                let mut igmp_query = IgmpV3QueryPacket::unchecked(&mut buf[14 + 24..]);
+                igmp_query.set_igmp_type();
+                igmp_query.set_max_resp_code(100);
+                igmp_query.set_group_address(Ipv4Addr::UNSPECIFIED);
+                igmp_query.set_qrv(2);
+                igmp_query.set_qqic(125);
+                igmp_query.update_checksum();
+            }
+            loop {
+                let _ = device_writer.write_ipv4(&mut buf);
+                if count < 3 {
+                    count += 1;
+                    std::thread::sleep(Duration::from_secs(20))
+                } else {
+                    std::thread::sleep(Duration::from_secs(125))
+                }
+            }
+        });
+        Self {
+            multicast,
+            members,
+        }
+    }
+    pub fn load(&self, multicast_addr: &Ipv4Addr) -> Option<Arc<RwLock<Multicast>>> {
+        self.multicast.get(multicast_addr)
+    }
+    pub fn handle(&self, buf: &[u8], source: Ipv4Addr) -> crate::Result<()> {
+        match IgmpType::from(buf[0]) {
+            IgmpType::Query => {}
+            IgmpType::ReportV1 | IgmpType::ReportV2 => {
+                //加入组播，v1和v2差不多
+                let report = IgmpV2Packet::new(buf)?;
+                let multicast_addr = report.group_address();
+                if !multicast_addr.is_multicast() {
+                    return Ok(());
+                }
+                let multi = self.multicast.get_with(multicast_addr, || {
+                    Arc::new(RwLock::new(Multicast::new()))
+                });
+                let mut guard = multi.write();
+                guard.members.insert(source);
+                drop(guard);
+                self.members.insert((multicast_addr, source), ());
+            }
+            IgmpType::LeaveV2 => {
+                //退出组播
+                let leave = IgmpV2Packet::new(buf)?;
+                let multicast_addr = leave.group_address();
+                if !multicast_addr.is_multicast() {
+                    return Ok(());
+                }
+                self.members.invalidate(&(multicast_addr, source));
+            }
+            IgmpType::ReportV3 => {
+                let report = IgmpV3ReportPacket::new(buf)?;
+                if let Some(group_records) = report.group_records() {
+                    for group_record in group_records {
+                        let multicast_addr = group_record.multicast_address();
+                        if !multicast_addr.is_multicast() {
+                            return Ok(());
+                        }
+                        let multi = self.multicast.get_with(multicast_addr, || {
+                            Arc::new(RwLock::new(Multicast::new()))
+                        });
+                        let mut guard = multi.write();
+
+                        match group_record.record_type() {
+                            IgmpV3RecordType::ModeIsInclude | IgmpV3RecordType::ChangeToIncludeMode => {
+                                match group_record.source_addresses() {
+                                    None => {
+                                        //不接收所有
+                                        guard.members.remove(&source);
+                                        guard.map.remove(&source);
+                                    }
+                                    Some(src) => {
+                                        guard.members.insert(source);
+                                        guard.map.insert(source, (true, HashSet::from_iter(src)));
+                                        drop(guard);
+                                        self.members.insert((multicast_addr, source), ());
+                                    }
+                                }
+                            }
+
+                            IgmpV3RecordType::ModeIsExclude | IgmpV3RecordType::ChangeToExcludeMode => {
+                                match group_record.source_addresses() {
+                                    None => {
+                                        //接收所有
+                                        guard.members.insert(source);
+                                        guard.map.remove(&source);
+                                    }
+                                    Some(src) => {
+                                        guard.members.insert(source);
+                                        guard.map.insert(source, (false, HashSet::from_iter(src)));
+                                    }
+                                }
+                                drop(guard);
+                                self.members.insert((multicast_addr, source), ());
+                            }
+                            IgmpV3RecordType::AllowNewSources => {
+                                //在已有源的基础上，接收目标源，如果是排除模式，则删除；是包含模式则添加
+                                match group_record.source_addresses() {
+                                    None => {}
+                                    Some(src) => {
+                                        match guard.map.get_mut(&source) {
+                                            None => {}
+                                            Some((is_include, set)) => {
+                                                for ip in src {
+                                                    if *is_include {
+                                                        set.insert(ip);
+                                                    } else {
+                                                        set.remove(&ip);
+                                                    }
+                                                }
+                                            }
+                                        }
+                                    }
+                                }
+                                drop(guard);
+                                self.members.insert((multicast_addr, source), ());
+                            }
+                            IgmpV3RecordType::BlockOldSources => {
+                                //在已有源的基础上，不接收目标源
+                                match group_record.source_addresses() {
+                                    None => {}
+                                    Some(src) => {
+                                        match guard.map.get_mut(&source) {
+                                            None => {}
+                                            Some((is_include, set)) => {
+                                                for ip in src {
+                                                    if *is_include {
+                                                        set.remove(&ip);
+                                                    } else {
+                                                        set.insert(ip);
+                                                    }
+                                                }
+                                            }
+                                        }
+                                    }
+                                }
+                                drop(guard);
+                                self.members.insert((multicast_addr, source), ());
+                            }
+                            IgmpV3RecordType::Unknown(_) => {}
+                        }
+                    }
+                }
+            }
+            IgmpType::Unknown(_) => {}
+        }
+        Ok(())
+    }
+}

switch/src/ip_proxy/icmp_proxy.rs

@@ -6,11 +6,11 @@ use crossbeam::atomic::AtomicCell;
 
 use crossbeam_skiplist::SkipMap;
 use socket2::{Domain, SockAddr, Socket, Type};
-use p2p_channel::channel::sender::Sender;
 
 use packet::icmp::icmp;
 use packet::icmp::icmp::HeaderOther;
 use packet::ip::ipv4;
+use crate::channel::sender::ChannelSender;
 use crate::handle::CurrentDeviceInfo;
 use crate::protocol::{MAX_TTL, NetPacket, Protocol, Version};
 
@@ -18,12 +18,12 @@ pub struct IcmpProxy {
     icmp_socket: Arc<Socket>,
     // 对端-> 真实来源
     icmp_proxy_map: Arc<SkipMap<(Ipv4Addr, u16, u16), Ipv4Addr>>,
-    sender: Sender<Ipv4Addr>,
+    sender: ChannelSender,
     current_device: Arc<AtomicCell<CurrentDeviceInfo>>,
 }
 
 impl IcmpProxy {
-    pub fn new(addr: SocketAddrV4, icmp_proxy_map: Arc<SkipMap<(Ipv4Addr, u16, u16), Ipv4Addr>>, sender: Sender<Ipv4Addr>, current_device: Arc<AtomicCell<CurrentDeviceInfo>>) -> io::Result<IcmpProxy> {
+    pub fn new(addr: SocketAddrV4, icmp_proxy_map: Arc<SkipMap<(Ipv4Addr, u16, u16), Ipv4Addr>>, sender: ChannelSender, current_device: Arc<AtomicCell<CurrentDeviceInfo>>) -> io::Result<IcmpProxy> {
         let icmp_socket = Arc::new(Socket::new(Domain::IPV4, Type::RAW, Some(socket2::Protocol::ICMPV4))?);
         icmp_socket.bind(&SockAddr::from(addr))?;
         // // 设置 SIO_RCVALL 参数
@@ -66,8 +66,8 @@ impl IcmpProxy {
             unsafe { std::mem::transmute(&mut buf[..]) };
         let mut net_packet = NetPacket::new([0u8; 4 + 8 + 1500]).unwrap();
         net_packet.set_version(Version::V1);
-        net_packet.set_protocol(Protocol::Ipv4Turn);
-        net_packet.set_transport_protocol(ipv4::protocol::Protocol::Ipv4.into());
+        net_packet.set_protocol(Protocol::IpTurn);
+        net_packet.set_transport_protocol(ipv4::protocol::Protocol::Icmp.into());
         net_packet.set_ttl(MAX_TTL);
         loop {
             match self.recv(data) {
@@ -90,7 +90,7 @@ impl IcmpProxy {
                                                         net_packet.set_destination(dest_ip);
                                                         let data_len = ipv4_packet.buffer.len();
                                                         net_packet.set_payload(ipv4_packet.buffer);
-                                                        let _ = self.sender.send_to_id(&net_packet.buffer()[..(12 + data_len)], &dest_ip);
+                                                        let _ = self.sender.try_send_by_id(&net_packet.buffer()[..(12 + data_len)], &dest_ip);
                                                     }
                                                 }
                                                 _ => {

switch/src/ip_proxy/mod.rs

@@ -6,7 +6,7 @@ use crossbeam::atomic::AtomicCell;
 use crossbeam_skiplist::SkipMap;
 use socket2::{SockAddr, Socket};
 use tokio::net::{TcpListener, UdpSocket};
-use p2p_channel::channel::sender::Sender;
+use crate::channel::sender::ChannelSender;
 use crate::handle::CurrentDeviceInfo;
 use crate::ip_proxy::icmp_proxy::IcmpProxy;
 use crate::ip_proxy::tcp_proxy::TcpProxy;
@@ -45,34 +45,34 @@ impl IpProxyMap {
     }
 }
 
-pub async fn init_proxy(sender: Sender<Ipv4Addr>, bind_ips: Vec<Ipv4Addr>, current_device: Arc<AtomicCell<CurrentDeviceInfo>>) -> io::Result<IpProxyMap> {
+pub async fn init_proxy(sender: ChannelSender, bind_ips: Vec<Ipv4Addr>, current_device: Arc<AtomicCell<CurrentDeviceInfo>>) -> io::Result<IpProxyMap> {
     let mut icmp_sockets = HashMap::new();
     let tcp_proxy_map: Arc<SkipMap<SocketAddrV4, (SocketAddrV4, SocketAddrV4)>> = Arc::new(SkipMap::new());
     let udp_proxy_map: Arc<SkipMap<SocketAddrV4, (SocketAddrV4, SocketAddrV4)>> = Arc::new(SkipMap::new());
     let icmp_proxy_map: Arc<SkipMap<(Ipv4Addr, u16, u16), Ipv4Addr>> = Arc::new(SkipMap::new());
-    let tcp_listener = TcpListener::bind("0.0.0.0:0").await?;
-    let udp_socket = UdpSocket::bind("0.0.0.0:0").await?;
-    let tcp_proxy_port = tcp_listener.local_addr()?.port();
-    let udp_proxy_port = udp_socket.local_addr()?.port();
-
-    {
+    let (tcp_proxy_port, udp_proxy_port) = if !bind_ips.is_empty() {
+        let tcp_listener = TcpListener::bind("0.0.0.0:0").await?;
+        let udp_socket = UdpSocket::bind("0.0.0.0:0").await?;
+        let tcp_proxy_port = tcp_listener.local_addr()?.port();
+        let udp_proxy_port = udp_socket.local_addr()?.port();
         let tcp_proxy_map = tcp_proxy_map.clone();
         tokio::spawn(async {
             let tcp_proxy = TcpProxy::new(tcp_listener, tcp_proxy_map);
             tcp_proxy.start().await
         });
-    }
-    {
         let udp_proxy_map = udp_proxy_map.clone();
         tokio::spawn(async {
             let udp_proxy = UdpProxy::new(udp_socket, udp_proxy_map);
             udp_proxy.start().await
         });
-    }
+        (tcp_proxy_port, udp_proxy_port)
+    } else {
+        (0, 0)
+    };
     for ip in bind_ips {
         let addr = SocketAddrV4::new(ip, 0);
         let icmp_proxy_map = icmp_proxy_map.clone();
-        let icmp_proxy = IcmpProxy::new(addr, icmp_proxy_map, sender.try_clone()?, current_device.clone())?;
+        let icmp_proxy = IcmpProxy::new(addr, icmp_proxy_map, sender.clone(), current_device.clone())?;
         icmp_sockets.insert(ip, icmp_proxy.icmp_socket());
         thread::spawn(move || {
             icmp_proxy.start();

switch/src/lib.rs

@@ -1,7 +1,5 @@
 use crate::error::Error;
 
-pub use p2p_channel::channel::{Route, RouteKey};
-
 pub type Result<T> = std::result::Result<T, Error>;
 
 pub mod error;
@@ -9,8 +7,9 @@ pub mod handle;
 pub mod nat;
 pub mod proto;
 pub mod protocol;
-pub mod tun_device;
-pub mod tap_device;
 pub mod ip_proxy;
 pub mod external_route;
+pub mod igmp_server;
+pub mod tun_tap_device;
 pub mod core;
+pub mod channel;

switch/src/nat/check.rs

@@ -1,8 +1,8 @@
-use p2p_channel::punch::NatType;
 use std::collections::HashSet;
 use std::net::{IpAddr, Ipv4Addr, SocketAddr, UdpSocket};
 use std::time::Duration;
 use std::{io, thread};
+use crate::channel::punch::NatType;
 
 // #[derive(Debug, Copy, Clone, PartialEq)]
 // pub enum NatType {

switch/src/nat/mod.rs

@@ -1,5 +1,4 @@
 use crate::proto::message::PunchNatType;
-use p2p_channel::punch::{NatInfo, NatType};
 use parking_lot::Mutex;
 use std::io;
 use std::net::{IpAddr, Ipv4Addr, SocketAddr};
@@ -8,12 +7,20 @@ use std::sync::Arc;
 pub mod check;
 
 use std::net::UdpSocket;
+use crate::channel::punch::{NatInfo, NatType};
 
-pub fn local_ip() -> io::Result<IpAddr> {
+pub fn local_ip() -> io::Result<Ipv4Addr> {
     let socket = UdpSocket::bind("0.0.0.0:0")?;
     socket.connect("8.8.8.8:80")?;
     let addr = socket.local_addr()?;
-    Ok(addr.ip())
+    match addr.ip() {
+        IpAddr::V4(ip) => {
+            Ok(ip)
+        }
+        IpAddr::V6(_) => {
+            Ok(Ipv4Addr::UNSPECIFIED)
+        }
+    }
 }
 
 #[derive(Clone)]
@@ -45,7 +52,7 @@ impl NatTest {
         nat_test_server: Vec<SocketAddr>,
         public_ip: Ipv4Addr,
         public_port: u16,
-        local_ip: IpAddr,
+        local_ip: Ipv4Addr,
         local_port: u16,
     ) -> NatTest {
         let info = NatTest::re_test_(
@@ -67,7 +74,7 @@ impl NatTest {
         &self,
         public_ip: Ipv4Addr,
         public_port: u16,
-        local_ip: IpAddr,
+        local_ip: Ipv4Addr,
         local_port: u16,
     ) -> NatInfo {
         let info = NatTest::re_test_(
@@ -84,16 +91,16 @@ impl NatTest {
         nat_test_server: &Vec<SocketAddr>,
         public_ip: Ipv4Addr,
         public_port: u16,
-        local_ip: IpAddr,
+        local_ip: Ipv4Addr,
         local_port: u16,
     ) -> NatInfo {
         return match check::public_ip_list(nat_test_server) {
             Ok((nat_type, ips, port_range)) => {
                 let mut public_ips = Vec::new();
-                public_ips.push(IpAddr::from(public_ip));
+                public_ips.push(Ipv4Addr::from(public_ip));
                 for ip in ips {
                     if ip != public_ip {
-                        public_ips.push(IpAddr::from(ip));
+                        public_ips.push(ip);
                     }
                 }
                 NatInfo::new(
@@ -108,7 +115,7 @@ impl NatTest {
             Err(e) => {
                 log::warn!("{:?}", e);
                 NatInfo::new(
-                    vec![IpAddr::from(public_ip)],
+                    vec![public_ip],
                     public_port,
                     0,
                     local_ip,

switch/src/proto/message.rs

@@ -37,6 +37,8 @@ pub struct RegistrationRequest {
     pub name: ::std::string::String,
     // @@protoc_insertion_point(field:RegistrationRequest.is_fast)
     pub is_fast: bool,
+    // @@protoc_insertion_point(field:RegistrationRequest.version)
+    pub version: ::std::string::String,
     // special fields
     // @@protoc_insertion_point(special_field:RegistrationRequest.special_fields)
     pub special_fields: ::protobuf::SpecialFields,
@@ -54,7 +56,7 @@ impl RegistrationRequest {
     }
 
     fn generated_message_descriptor_data() -> ::protobuf::reflect::GeneratedMessageDescriptorData {
-        let mut fields = ::std::vec::Vec::with_capacity(4);
+        let mut fields = ::std::vec::Vec::with_capacity(5);
         let mut oneofs = ::std::vec::Vec::with_capacity(0);
         fields.push(::protobuf::reflect::rt::v2::make_simpler_field_accessor::<_, _>(
             "token",
@@ -76,6 +78,11 @@ impl RegistrationRequest {
             |m: &RegistrationRequest| { &m.is_fast },
             |m: &mut RegistrationRequest| { &mut m.is_fast },
         ));
+        fields.push(::protobuf::reflect::rt::v2::make_simpler_field_accessor::<_, _>(
+            "version",
+            |m: &RegistrationRequest| { &m.version },
+            |m: &mut RegistrationRequest| { &mut m.version },
+        ));
         ::protobuf::reflect::GeneratedMessageDescriptorData::new_2::<RegistrationRequest>(
             "RegistrationRequest",
             fields,
@@ -106,6 +113,9 @@ impl ::protobuf::Message for RegistrationRequest {
                 32 => {
                     self.is_fast = is.read_bool()?;
                 },
+                42 => {
+                    self.version = is.read_string()?;
+                },
                 tag => {
                     ::protobuf::rt::read_unknown_or_skip_group(tag, is, self.special_fields.mut_unknown_fields())?;
                 },
@@ -130,6 +140,9 @@ impl ::protobuf::Message for RegistrationRequest {
         if self.is_fast != false {
             my_size += 1 + 1;
         }
+        if !self.version.is_empty() {
+            my_size += ::protobuf::rt::string_size(5, &self.version);
+        }
         my_size += ::protobuf::rt::unknown_fields_size(self.special_fields.unknown_fields());
         self.special_fields.cached_size().set(my_size as u32);
         my_size
@@ -148,6 +161,9 @@ impl ::protobuf::Message for RegistrationRequest {
         if self.is_fast != false {
             os.write_bool(4, self.is_fast)?;
         }
+        if !self.version.is_empty() {
+            os.write_string(5, &self.version)?;
+        }
         os.write_unknown_fields(self.special_fields.unknown_fields())?;
         ::std::result::Result::Ok(())
     }
@@ -169,6 +185,7 @@ impl ::protobuf::Message for RegistrationRequest {
         self.device_id.clear();
         self.name.clear();
         self.is_fast = false;
+        self.version.clear();
         self.special_fields.clear();
     }
 
@@ -178,6 +195,7 @@ impl ::protobuf::Message for RegistrationRequest {
             device_id: ::std::string::String::new(),
             name: ::std::string::String::new(),
             is_fast: false,
+            version: ::std::string::String::new(),
             special_fields: ::protobuf::SpecialFields::new(),
         };
         &instance
@@ -1017,28 +1035,29 @@ impl PunchNatType {
 }
 
 static file_descriptor_proto_data: &'static [u8] = b"\
-    \n\rmessage.proto\"u\n\x13RegistrationRequest\x12\x14\n\x05token\x18\x01\
-    \x20\x01(\tR\x05token\x12\x1b\n\tdevice_id\x18\x02\x20\x01(\tR\x08device\
-    Id\x12\x12\n\x04name\x18\x03\x20\x01(\tR\x04name\x12\x17\n\x07is_fast\
-    \x18\x04\x20\x01(\x08R\x06isFast\"\x92\x02\n\x14RegistrationResponse\x12\
-    \x1d\n\nvirtual_ip\x18\x01\x20\x01(\x07R\tvirtualIp\x12'\n\x0fvirtual_ga\
-    teway\x18\x02\x20\x01(\x07R\x0evirtualGateway\x12'\n\x0fvirtual_netmask\
-    \x18\x03\x20\x01(\x07R\x0evirtualNetmask\x12\x14\n\x05epoch\x18\x04\x20\
-    \x01(\rR\x05epoch\x125\n\x10device_info_list\x18\x05\x20\x03(\x0b2\x0b.D\
-    eviceInfoR\x0edeviceInfoList\x12\x1b\n\tpublic_ip\x18\x06\x20\x01(\x07R\
-    \x08publicIp\x12\x1f\n\x0bpublic_port\x18\x07\x20\x01(\rR\npublicPort\"d\
-    \n\nDeviceInfo\x12\x12\n\x04name\x18\x01\x20\x01(\tR\x04name\x12\x1d\n\n\
-    virtual_ip\x18\x02\x20\x01(\x07R\tvirtualIp\x12#\n\rdevice_status\x18\
-    \x03\x20\x01(\rR\x0cdeviceStatus\"Y\n\nDeviceList\x12\x14\n\x05epoch\x18\
-    \x01\x20\x01(\rR\x05epoch\x125\n\x10device_info_list\x18\x02\x20\x03(\
-    \x0b2\x0b.DeviceInfoR\x0edeviceInfoList\"\xf8\x01\n\tPunchInfo\x12$\n\
-    \x0epublic_ip_list\x18\x02\x20\x03(\x07R\x0cpublicIpList\x12\x1f\n\x0bpu\
-    blic_port\x18\x03\x20\x01(\rR\npublicPort\x12*\n\x11public_port_range\
-    \x18\x04\x20\x01(\rR\x0fpublicPortRange\x12(\n\x08nat_type\x18\x05\x20\
-    \x01(\x0e2\r.PunchNatTypeR\x07natType\x12\x14\n\x05reply\x18\x06\x20\x01\
-    (\x08R\x05reply\x12\x19\n\x08local_ip\x18\x07\x20\x01(\x07R\x07localIp\
-    \x12\x1d\n\nlocal_port\x18\x08\x20\x01(\rR\tlocalPort*'\n\x0cPunchNatTyp\
-    e\x12\r\n\tSymmetric\x10\0\x12\x08\n\x04Cone\x10\x01b\x06proto3\
+    \n\rmessage.proto\"\x8f\x01\n\x13RegistrationRequest\x12\x14\n\x05token\
+    \x18\x01\x20\x01(\tR\x05token\x12\x1b\n\tdevice_id\x18\x02\x20\x01(\tR\
+    \x08deviceId\x12\x12\n\x04name\x18\x03\x20\x01(\tR\x04name\x12\x17\n\x07\
+    is_fast\x18\x04\x20\x01(\x08R\x06isFast\x12\x18\n\x07version\x18\x05\x20\
+    \x01(\tR\x07version\"\x92\x02\n\x14RegistrationResponse\x12\x1d\n\nvirtu\
+    al_ip\x18\x01\x20\x01(\x07R\tvirtualIp\x12'\n\x0fvirtual_gateway\x18\x02\
+    \x20\x01(\x07R\x0evirtualGateway\x12'\n\x0fvirtual_netmask\x18\x03\x20\
+    \x01(\x07R\x0evirtualNetmask\x12\x14\n\x05epoch\x18\x04\x20\x01(\rR\x05e\
+    poch\x125\n\x10device_info_list\x18\x05\x20\x03(\x0b2\x0b.DeviceInfoR\
+    \x0edeviceInfoList\x12\x1b\n\tpublic_ip\x18\x06\x20\x01(\x07R\x08publicI\
+    p\x12\x1f\n\x0bpublic_port\x18\x07\x20\x01(\rR\npublicPort\"d\n\nDeviceI\
+    nfo\x12\x12\n\x04name\x18\x01\x20\x01(\tR\x04name\x12\x1d\n\nvirtual_ip\
+    \x18\x02\x20\x01(\x07R\tvirtualIp\x12#\n\rdevice_status\x18\x03\x20\x01(\
+    \rR\x0cdeviceStatus\"Y\n\nDeviceList\x12\x14\n\x05epoch\x18\x01\x20\x01(\
+    \rR\x05epoch\x125\n\x10device_info_list\x18\x02\x20\x03(\x0b2\x0b.Device\
+    InfoR\x0edeviceInfoList\"\xf8\x01\n\tPunchInfo\x12$\n\x0epublic_ip_list\
+    \x18\x02\x20\x03(\x07R\x0cpublicIpList\x12\x1f\n\x0bpublic_port\x18\x03\
+    \x20\x01(\rR\npublicPort\x12*\n\x11public_port_range\x18\x04\x20\x01(\rR\
+    \x0fpublicPortRange\x12(\n\x08nat_type\x18\x05\x20\x01(\x0e2\r.PunchNatT\
+    ypeR\x07natType\x12\x14\n\x05reply\x18\x06\x20\x01(\x08R\x05reply\x12\
+    \x19\n\x08local_ip\x18\x07\x20\x01(\x07R\x07localIp\x12\x1d\n\nlocal_por\
+    t\x18\x08\x20\x01(\rR\tlocalPort*'\n\x0cPunchNatType\x12\r\n\tSymmetric\
+    \x10\0\x12\x08\n\x04Cone\x10\x01b\x06proto3\
 ";
 
 /// `FileDescriptorProto` object which was a source for this generated file

switch/src/protocol/control_packet.rs

@@ -17,7 +17,7 @@ pub enum Protocol {
     PunchRequest,
     /// 打洞响应
     PunchResponse,
-    UnKnow(u8),
+    Unknown(u8),
 }
 
 impl From<u8> for Protocol {
@@ -27,7 +27,7 @@ impl From<u8> for Protocol {
             2 => Protocol::Pong,
             3 => Protocol::PunchRequest,
             4 => Protocol::PunchResponse,
-            val => Protocol::UnKnow(val),
+            val => Protocol::Unknown(val),
         }
     }
 }
@@ -39,7 +39,7 @@ impl Into<u8> for Protocol {
             Protocol::Pong => 2,
             Protocol::PunchRequest => 3,
             Protocol::PunchResponse => 4,
-            Protocol::UnKnow(val) => val,
+            Protocol::Unknown(val) => val,
         }
     }
 }
@@ -58,18 +58,17 @@ impl<B: AsRef<[u8]>> ControlPacket<B> {
             Protocol::Pong => Ok(ControlPacket::PongPacket(PongPacket::new(buffer)?)),
             Protocol::PunchRequest => Ok(ControlPacket::PunchRequest),
             Protocol::PunchResponse => Ok(ControlPacket::PunchResponse),
-            Protocol::UnKnow(_) => Err(io::Error::new(io::ErrorKind::InvalidData, "Unsupported")),
+            Protocol::Unknown(_) => Err(io::Error::new(io::ErrorKind::InvalidData, "Unsupported")),
         }
     }
 }
 
 /// 网络探针
-#[derive(Copy, Clone)]
 pub struct PingPacket<B> {
     buffer: B,
 }
 
-type PongPacket<B> = PingPacket<B>;
+pub type PongPacket<B> = PingPacket<B>;
 
 impl<B: AsRef<[u8]>> PingPacket<B> {
     pub fn new(buffer: B) -> io::Result<PingPacket<B>> {

switch/src/protocol/ip_turn_packet.rs

@@ -0,0 +1,105 @@
+use std::io;
+use std::net::Ipv4Addr;
+
+#[derive(Copy, Clone, Eq, PartialEq, Debug)]
+pub enum Protocol {
+    Icmp,
+    Igmp,
+    Ipv4,
+    Ipv4Broadcast,
+    Unknown(u8),
+}
+
+impl From<u8> for Protocol {
+    fn from(value: u8) -> Self {
+        match value {
+            1 => Protocol::Icmp,
+            2 => Protocol::Igmp,
+            4 => Protocol::Ipv4,
+            201 => Protocol::Ipv4Broadcast,
+            val => Protocol::Unknown(val),
+        }
+    }
+}
+
+impl Into<u8> for Protocol {
+    fn into(self) -> u8 {
+        match self {
+            Protocol::Icmp => 1,
+            Protocol::Igmp => 2,
+            Protocol::Ipv4 => 4,
+            Protocol::Ipv4Broadcast => 201,
+            Protocol::Unknown(val) => val,
+        }
+    }
+}
+
+pub struct BroadcastPacketEnd<B> {
+    buffer: B,
+}
+
+impl<B: AsRef<[u8]>> BroadcastPacketEnd<B> {
+    pub fn unchecked(buffer: B) -> Self {
+        Self { buffer }
+    }
+    pub fn new(buffer: B) -> io::Result<Self> {
+        let len = buffer.as_ref().len();
+        let packet = Self::unchecked(buffer);
+        if len < 1 || packet.len() != len {
+            Err(io::Error::new(
+                io::ErrorKind::InvalidData,
+                "InvalidData",
+            ))
+        } else {
+            Ok(packet)
+        }
+    }
+}
+
+impl<B: AsRef<[u8]>> BroadcastPacketEnd<B> {
+    pub fn len(&self) -> usize {
+        1 + self.num() as usize * 4
+    }
+    pub fn num(&self) -> u8 {
+        let len = self.buffer.as_ref().len();
+        self.buffer.as_ref()[len - 1]
+    }
+    /// 已经发送给了这些地址
+    /// 从尾往头拿
+    pub fn addresses(&self) -> Vec<Ipv4Addr> {
+        let num = self.num() as usize;
+        let mut list = Vec::with_capacity(num);
+        let buf = self.buffer.as_ref();
+        let mut offset = buf.len() + 4 - 2;
+        for _ in 0..num {
+            offset -= 4;
+            list.push(Ipv4Addr::new(buf[offset - 3], buf[offset - 2], buf[offset - 1], buf[offset]));
+        }
+        list
+    }
+}
+
+impl<B: AsRef<[u8]> + AsMut<[u8]>> BroadcastPacketEnd<B> {
+    /// 从头往尾放
+    pub fn set_address(&mut self, addr: &[Ipv4Addr]) -> io::Result<()> {
+        let buf = self.buffer.as_mut();
+        if buf.len() < 1 + addr.len() * 4 || addr.len() > u8::MAX as usize {
+            Err(io::Error::new(
+                io::ErrorKind::InvalidData,
+                "InvalidData",
+            ))
+        } else {
+            let mut offset = 0;
+            for ip in addr {
+                buf[offset..offset + 4].copy_from_slice(&ip.octets());
+                offset += 4;
+            }
+            self.buffer.as_mut()[offset] = addr.len() as u8;
+            Ok(())
+        }
+    }
+}
+
+
+
+

switch/src/protocol/mod.rs

@@ -5,7 +5,7 @@ use std::{fmt, io};
    0                                            15                                              31
    0  1  2  3  4  5  6  7  8  9  0  1  2  3  4  5  6  7  8  9  0  1  2  3  4  5  6  7  8  9  0  1
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-  |        版本(8)       |      协议(8)          |      上层协议(8)        | 初始ttl(4) | 生存时间(4) |
+  | p|unused|  版本(4)   |      协议(8)          |      上层协议(8)        | 初始ttl(4) | 生存时间(4) |
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   |                                          源ip地址(32)                                         |
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
@@ -18,7 +18,8 @@ use std::{fmt, io};
 pub mod control_packet;
 pub mod error_packet;
 pub mod service_packet;
-pub mod turn_packet;
+pub mod ip_turn_packet;
+pub mod other_turn_packet;
 
 #[derive(Eq, PartialEq, Copy, Clone, Debug)]
 pub enum Version {
@@ -52,8 +53,8 @@ pub enum Protocol {
     Error,
     /// 控制协议
     Control,
-    /// 转发ipv4数据
-    Ipv4Turn,
+    /// 转发ip数据
+    IpTurn,
     /// 转发其他数据
     OtherTurn,
     UnKnow(u8),
@@ -65,7 +66,7 @@ impl From<u8> for Protocol {
             1 => Protocol::Service,
             2 => Protocol::Error,
             3 => Protocol::Control,
-            4 => Protocol::Ipv4Turn,
+            4 => Protocol::IpTurn,
             5 => Protocol::OtherTurn,
             val => Protocol::UnKnow(val),
         }
@@ -78,7 +79,7 @@ impl Into<u8> for Protocol {
             Protocol::Service => 1,
             Protocol::Error => 2,
             Protocol::Control => 3,
-            Protocol::Ipv4Turn => 4,
+            Protocol::IpTurn => 4,
             Protocol::OtherTurn => 5,
             Protocol::UnKnow(val) => val,
         }
@@ -114,8 +115,11 @@ impl<B: AsRef<[u8]>> NetPacket<B> {
 }
 
 impl<B: AsRef<[u8]>> NetPacket<B> {
+    pub fn is_encrypt(&self) -> bool {
+        self.buffer.as_ref()[0] & 0x80 == 0x80
+    }
     pub fn version(&self) -> Version {
-        Version::from(self.buffer.as_ref()[0])
+        Version::from(self.buffer.as_ref()[0] & 0x0F)
     }
     pub fn protocol(&self) -> Protocol {
         Protocol::from(self.buffer.as_ref()[1])
@@ -143,8 +147,19 @@ impl<B: AsRef<[u8]>> NetPacket<B> {
 }
 
 impl<B: AsRef<[u8]> + AsMut<[u8]>> NetPacket<B> {
+    pub fn buffer_mut(&mut self) -> &mut [u8] {
+        self.buffer.as_mut()
+    }
+    pub fn set_encrypt_flag(&mut self, is_encrypt: bool) {
+        if is_encrypt {
+            self.buffer.as_mut()[0] = self.buffer.as_ref()[0] | 0x80
+        } else {
+            self.buffer.as_mut()[0] = self.buffer.as_ref()[0] & 0x7F
+        };
+    }
     pub fn set_version(&mut self, version: Version) {
-        self.buffer.as_mut()[0] = version.into();
+        let v: u8 = version.into();
+        self.buffer.as_mut()[0] = (self.buffer.as_ref()[0] & 0xF0) | (0x0F & v);
     }
     pub fn set_protocol(&mut self, protocol: Protocol) {
         self.buffer.as_mut()[1] = protocol.into();

switch/src/protocol/other_turn_packet.rs

@@ -1,14 +1,14 @@
 #[derive(Copy, Clone, Eq, PartialEq, Debug)]
 pub enum Protocol {
     Punch,
-    UnKnow(u8),
+    Unknown(u8),
 }
 
 impl From<u8> for Protocol {
     fn from(value: u8) -> Self {
         match value {
             1 => Protocol::Punch,
-            val => Protocol::UnKnow(val),
+            val => Protocol::Unknown(val),
         }
     }
 }
@@ -17,7 +17,7 @@ impl Into<u8> for Protocol {
     fn into(self) -> u8 {
         match self {
             Protocol::Punch => 1,
-            Protocol::UnKnow(val) => val,
+            Protocol::Unknown(val) => val,
         }
     }
 }

switch/src/protocol/service_packet.rs

@@ -8,7 +8,7 @@ pub enum Protocol {
     PollDeviceList,
     /// 推送设备列表
     PushDeviceList,
-    UnKnow(u8),
+    Unknown(u8),
 }
 
 impl From<u8> for Protocol {
@@ -18,7 +18,7 @@ impl From<u8> for Protocol {
             2 => Self::RegistrationResponse,
             3 => Self::PollDeviceList,
             4 => Self::PushDeviceList,
-            val => Self::UnKnow(val),
+            val => Self::Unknown(val),
         }
     }
 }
@@ -30,7 +30,7 @@ impl Into<u8> for Protocol {
             Self::RegistrationResponse => 2,
             Self::PollDeviceList => 3,
             Self::PushDeviceList => 4,
-            Self::UnKnow(val) => val,
+            Self::Unknown(val) => val,
         }
     }
 }

switch/src/tap_device/linux.rs

@@ -1,58 +0,0 @@
-use crate::tun_device::{TunReader, TunWriter};
-
-pub type TapReader = TunReader;
-pub type TapWriter = TunWriter;
-
-use std::net::Ipv4Addr;
-use std::sync::Arc;
-use tun::Device;
-use parking_lot::Mutex;
-use std::io;
-
-pub fn create_tap(
-    address: Ipv4Addr,
-    netmask: Ipv4Addr,
-    gateway: Ipv4Addr,
-) -> io::Result<(TunWriter, TunReader, [u8; 6])> {
-    println!("========TAP网卡配置========");
-    let mut config = tun::Configuration::default();
-
-    config
-        .destination(gateway)
-        .address(address)
-        .netmask(netmask)
-        .mtu(1420)
-        .layer(tun::Layer::L2)
-        // .queues(2) 用多个队列有兼容性问题
-        .up();
-
-    let dev = tun::create(&config).unwrap();
-    let name = dev.name();
-    println!("name:{:?}", name);
-    let packet_information = dev.has_packet_information();
-    let queue = dev.queue(0).unwrap();
-    let reader = queue.reader();
-    let writer = queue.writer();
-    let get_mac_cmd = format!("cat /sys/class/net/{}/address", name);
-    let mac_out = std::process::Command::new("sh")
-        .arg("-c")
-        .arg(get_mac_cmd)
-        .output()
-        .expect("sh exec error!");
-    if !mac_out.status.success() {
-        return Err(io::Error::new(io::ErrorKind::Other, format!("获取mac地址错误: {:?}", mac_out)));
-    }
-    let mac_str = String::from_utf8(mac_out.stdout).unwrap();
-    let mut mac = [0; 6];
-    let mut split = mac_str.split(":");
-    for i in 0..6 {
-        mac[i] = u8::from_str_radix(&split.next().unwrap()[..2], 16).unwrap();
-    }
-    println!("mac:{:?}", mac);
-    println!("========TAP网卡配置========");
-    Ok((
-        TunWriter(writer, packet_information, Arc::new(Mutex::new(dev))),
-        TunReader(reader, packet_information),
-        mac
-    ))
-}

switch/src/tap_device/mac.rs

@@ -1,13 +0,0 @@
-use crate::tun_device::{TunReader, TunWriter};
-
-pub type TapReader = TunReader;
-pub type TapWriter = TunWriter;
-use std::net::Ipv4Addr;
-
-pub fn create_tap(
-    address: Ipv4Addr,
-    netmask: Ipv4Addr,
-    gateway: Ipv4Addr,
-) -> crate::error::Result<(TapWriter, TapReader, [u8; 6])> {
-    unimplemented!()
-}

switch/src/tap_device/mod.rs

@@ -1,21 +0,0 @@
-#[cfg(target_os = "windows")]
-mod windows;
-#[cfg(any(target_os = "linux", target_os = "android"))]
-mod linux;
-#[cfg(target_os = "macos")]
-mod mac;
-#[cfg(target_os = "macos")]
-pub use mac::{TapWriter, TapReader};
-#[cfg(target_os = "macos")]
-pub use mac::create_tap;
-
-#[cfg(any(target_os = "linux", target_os = "android"))]
-pub use linux::{TapWriter, TapReader};
-#[cfg(any(target_os = "linux", target_os = "android"))]
-pub use linux::create_tap;
-#[cfg(target_os = "windows")]
-pub use windows::create_tap;
-#[cfg(target_os = "windows")]
-pub use windows::delete_tap;
-#[cfg(target_os = "windows")]
-pub use windows::{TapReader, TapWriter};

switch/src/tap_device/windows.rs

@@ -1,101 +0,0 @@
-use std::io;
-use std::net::Ipv4Addr;
-use std::sync::Arc;
-
-use parking_lot::Mutex;
-
-use win_tun_tap::{IFace, TapDevice};
-
-#[derive(Clone)]
-pub struct TapWriter(Arc<TapDevice>, Arc<Mutex<()>>);
-
-impl TapWriter {
-    pub fn write(&self, buf: &[u8]) -> io::Result<usize> {
-        self.0.write(buf)
-    }
-
-    pub fn change_ip(
-        &self,
-        address: Ipv4Addr,
-        netmask: Ipv4Addr,
-        gateway: Ipv4Addr,
-        old_netmask: Ipv4Addr,
-        old_gateway: Ipv4Addr,
-    ) -> io::Result<()> {
-        if let Err(e) =
-            self.0.delete_route(dest(old_gateway, old_gateway), old_netmask, old_gateway)
-        {
-            log::warn!("{:?}", e);
-        }
-        self.0.set_ip(address, netmask)?;
-        self.0.add_route(dest(gateway, netmask), netmask, gateway)
-    }
-    pub fn close(&self) -> io::Result<()> {
-        self.0.shutdown()
-    }
-}
-
-fn dest(ip: Ipv4Addr, mask: Ipv4Addr) -> Ipv4Addr {
-    let ip = ip.octets();
-    let mask = mask.octets();
-    Ipv4Addr::from([
-        ip[0] & mask[0],
-        ip[1] & mask[1],
-        ip[2] & mask[2],
-        ip[3] & mask[3],
-    ])
-}
-
-#[derive(Clone)]
-pub struct TapReader(Arc<TapDevice>);
-
-impl TapReader {
-    pub fn read(&self, buf: &mut [u8]) -> io::Result<usize> {
-        self.0.read(buf)
-    }
-}
-
-pub const TAP_INTERFACE_NAME: &str = "Switch-Tap-V1";
-
-pub fn create_tap(
-    address: Ipv4Addr,
-    netmask: Ipv4Addr,
-    gateway: Ipv4Addr,
-) -> io::Result<(TapWriter, TapReader, [u8; 6])> {
-    println!("========TAP网卡配置========");
-    let tap_device = match TapDevice::open(TAP_INTERFACE_NAME) {
-        Ok(tap_device) => tap_device,
-        Err(e) => {
-            log::warn!("{:?}", e);
-            let tap_device = TapDevice::create()?;
-            tap_device.set_name(TAP_INTERFACE_NAME)?;
-            tap_device
-        }
-    };
-    let mac = tap_device.get_mac()?;
-    println!("name:{:?}", tap_device.get_name()?);
-    println!("version:{:x?}", tap_device.get_version()?);
-    println!("mac:{:x?}", mac);
-    tap_device.set_ip(address, netmask)?;
-    tap_device.set_metric(1)?;
-    tap_device.set_mtu(1420)?;
-    tap_device.set_status(true)?;
-    tap_device.add_route(address, netmask, gateway)?;
-    let tap = Arc::new(tap_device);
-    println!("========TAP网卡配置========");
-    Ok((
-        TapWriter(tap.clone(), Arc::default()),
-        TapReader(tap),
-        mac
-    ))
-}
-
-pub fn delete_tap() {
-    let tap_device = match TapDevice::open(TAP_INTERFACE_NAME) {
-        Ok(tap_device) => tap_device,
-        Err(_) => {
-            return;
-        }
-    };
-    let _ = tap_device.delete();
-}

switch/src/tun_device/linux.rs

@@ -1,57 +0,0 @@
-use std::io;
-use crate::tun_device::{TunReader, TunWriter};
-use std::net::Ipv4Addr;
-use std::sync::Arc;
-use tun::Device;
-use parking_lot::Mutex;
-use std::process::Command;
-
-pub fn create_tun(
-    address: Ipv4Addr,
-    netmask: Ipv4Addr,
-    gateway: Ipv4Addr,
-    in_ips: Vec<(Ipv4Addr, Ipv4Addr)>,
-) -> crate::error::Result<(TunWriter, TunReader)> {
-    println!("========TUN网卡配置========");
-    let mut config = tun::Configuration::default();
-
-    config
-        .destination(gateway)
-        .address(address)
-        .netmask(netmask)
-        .mtu(1420)
-        // .queues(2) 用多个队列有兼容性问题
-        .up();
-
-    let dev = tun::create(&config).unwrap();
-    let packet_information = dev.has_packet_information();
-    let queue = dev.queue(0).unwrap();
-    let reader = queue.reader();
-    let writer = queue.writer();
-    let name = dev.name();
-    println!("name:{:?}", name);
-    for (address, netmask) in in_ips {
-        add_route(name, address, netmask)?;
-    }
-    println!("========TUN网卡配置========");
-    Ok((
-        TunWriter(writer, packet_information, Arc::new(Mutex::new(dev))),
-        TunReader(reader, packet_information),
-    ))
-}
-
-fn add_route(name: &str, address: Ipv4Addr, netmask: Ipv4Addr) -> io::Result<()> {
-    let route_add_str: String = format!(
-        "ip route add {:?}/{:?} dev {}",
-        address, netmask, name
-    );
-    let route_add_out = Command::new("sh")
-        .arg("-c")
-        .arg(route_add_str)
-        .output()
-        .expect("sh exec error!");
-    if !route_add_out.status.success() {
-        return Err(io::Error::new(io::ErrorKind::Other, format!("添加路由失败: {:?}", route_add_out)));
-    }
-    Ok(())
-}

switch/src/tun_device/mac.rs

@@ -1,72 +0,0 @@
-use std::net::Ipv4Addr;
-use std::process::Command;
-use std::io;
-use tun::Device;
-use parking_lot::Mutex;
-use std::sync::Arc;
-
-use crate::tun_device::{TunReader, TunWriter};
-
-pub fn create_tun(
-    address: Ipv4Addr,
-    netmask: Ipv4Addr,
-    gateway: Ipv4Addr,
-    in_ips: Vec<(Ipv4Addr, Ipv4Addr)>,
-) -> crate::error::Result<(TunWriter, TunReader)> {
-    println!("========TUN网卡配置========");
-    let mut config = tun::Configuration::default();
-
-    config
-        .destination(gateway)
-        .address(address)
-        .netmask(netmask)
-        .mtu(1420)
-        .up();
-
-    let dev = tun::create(&config).unwrap();
-    let name = dev.name();
-    config_ip(name, address, netmask, gateway)?;
-    add_route(name, address, netmask)?;
-    for (address, netmask) in in_ips {
-        add_route(name, address, netmask)?;
-    }
-    let packet_information = dev.has_packet_information();
-    let queue = dev.queue(0).unwrap();
-    let reader = queue.reader();
-    let writer = queue.writer();
-    println!("name:{:?}", name);
-    println!("========TUN网卡配置========");
-    Ok((
-        TunWriter(writer, packet_information, Arc::new(Mutex::new(dev))),
-        TunReader(reader, packet_information),
-    ))
-}
-
-fn add_route(name: &str, address: Ipv4Addr, netmask: Ipv4Addr) -> io::Result<()> {
-    let route_add_str: String = format!(
-        "sudo route -n add -net {:?}/{:?} -interface {}",
-        address, netmask, name
-    );
-    let route_add_out = Command::new("sh")
-        .arg("-c")
-        .arg(route_add_str)
-        .output()
-        .expect("sh exec error!");
-    if !route_add_out.status.success() {
-        return Err(io::Error::new(io::ErrorKind::Other, format!("添加路由失败: {:?}", route_add_out)));
-    }
-    Ok(())
-}
-
-pub(crate) fn config_ip(name: &str, address: Ipv4Addr, netmask: Ipv4Addr, gateway: Ipv4Addr) -> io::Result<()> {
-    let up_eth_str: String = format!("ifconfig {} {:?} {:?} up ", name, address, gateway);
-    let up_eth_out = Command::new("sh")
-        .arg("-c")
-        .arg(up_eth_str)
-        .output()
-        .expect("sh exec error!");
-    if !up_eth_out.status.success() {
-        return Err(io::Error::new(io::ErrorKind::Other, format!("设置网络地址失败: {:?}", up_eth_out)));
-    }
-    Ok(())
-}

switch/src/tun_device/mod.rs

@@ -1,21 +0,0 @@
-#[cfg(any(target_os = "linux", target_os = "android"))]
-pub use linux::create_tun;
-#[cfg(target_os = "macos")]
-pub use mac::create_tun;
-#[cfg(any(unix))]
-pub use unix::{TunReader, TunWriter};
-#[cfg(target_os = "windows")]
-pub use windows::create_tun;
-#[cfg(target_os = "windows")]
-pub use windows::delete_tun;
-#[cfg(target_os = "windows")]
-pub use windows::{TunReader, TunWriter};
-
-#[cfg(any(target_os = "linux", target_os = "android"))]
-pub mod linux;
-#[cfg(target_os = "macos")]
-pub mod mac;
-#[cfg(any(unix))]
-pub mod unix;
-#[cfg(target_os = "windows")]
-pub mod windows;

switch/src/tun_device/unix.rs

@@ -1,72 +0,0 @@
-use std::io;
-use std::sync::Arc;
-
-use bytes::BufMut;
-use tun::platform::posix::{Reader, Writer};
-use std::net::Ipv4Addr;
-use std::os::unix::io::AsRawFd;
-#[cfg(any(target_os = "linux", target_os = "android"))]
-use tun::platform::linux::Device;
-#[cfg(any(target_os = "macos", target_os = "ios"))]
-use tun::platform::macos::Device;
-use parking_lot::Mutex;
-
-#[derive(Clone)]
-pub struct TunReader(pub(crate) Reader, pub(crate) bool);
-
-impl TunReader {
-    pub fn read(&self, buf: & mut [u8]) -> io::Result<usize> {
-        self.0.read(buf)
-    }
-}
-
-
-#[derive(Clone)]
-pub struct TunWriter(pub(crate) Writer, pub(crate) bool, pub(crate) Arc<Mutex<Device>>);
-
-impl TunWriter {
-    pub fn write(&self, packet: &[u8]) -> io::Result<()> {
-        if self.1 {
-            let mut buf = Vec::<u8>::with_capacity(4 + packet.len());
-            buf.put_u16(0);
-            #[cfg(any(target_os = "macos", target_os = "ios"))]
-            buf.put_u16(libc::PF_INET as u16);
-            #[cfg(any(target_os = "linux", target_os = "android"))]
-            buf.put_u16(libc::ETH_P_IP as u16);
-            buf.extend_from_slice(packet);
-            self.0.write_all(&buf)
-        } else {
-            self.0.write_all(packet)
-        }
-    }
-    pub fn close(&self) -> io::Result<()>{
-        unsafe {
-            let raw = self.0.as_raw_fd();
-            if raw >= 0 {
-                libc::close(raw);
-            }
-        }
-        Ok(())
-    }
-    pub fn change_ip(&self, address: Ipv4Addr, netmask: Ipv4Addr,
-                     gateway: Ipv4Addr, _old_netmask: Ipv4Addr, _old_gateway: Ipv4Addr) -> io::Result<()> {
-        let mut config = tun::Configuration::default();
-        use tun::Device;
-        config
-            .destination(gateway)
-            .address(address)
-            .netmask(netmask)
-            .mtu(1420)
-            // .queues(2)
-            .up();
-        let mut dev = self.2.lock();
-        if let Err(e) = dev.configure(&config) {
-            return Err(io::Error::new(io::ErrorKind::Other, format!("{:?}", e)));
-        }
-        #[cfg(target_os = "macos")]
-        if let Err(e) = crate::tun_device::mac::config_ip(dev.name(), address, netmask, gateway){
-            log::error!("{}",e);
-        }
-        return Ok(());
-    }
-}

switch/src/tun_device/windows.rs

@@ -1,147 +0,0 @@
-use std::{io, thread};
-use std::net::Ipv4Addr;
-use std::sync::Arc;
-use std::time::Duration;
-
-use libloading::Library;
-use parking_lot::Mutex;
-
-use win_tun_tap::{IFace, TunDevice};
-use win_tun_tap::packet::TunPacket;
-
-pub const TUN_INTERFACE_NAME: &str = "Switch-V1";
-pub const TUN_POOL_NAME: &str = "Switch-V1";
-
-#[derive(Clone)]
-pub struct TunWriter(Arc<TunDevice>, Arc<Mutex<()>>);
-
-impl TunWriter {
-    pub fn write(&self, buf: &[u8]) -> io::Result<()> {
-        let mut packet = self.0.allocate_send_packet(buf.len() as u16)?;
-        packet.bytes_mut().copy_from_slice(buf);
-        self.0.send_packet(packet);
-        return Ok(());
-    }
-    pub fn change_ip(
-        &self,
-        address: Ipv4Addr,
-        netmask: Ipv4Addr,
-        gateway: Ipv4Addr,
-        old_netmask: Ipv4Addr,
-        old_gateway: Ipv4Addr,
-    ) -> io::Result<()> {
-        if let Err(e) =
-            self.0.delete_route(dest(old_gateway, old_gateway), old_netmask, old_gateway)
-        {
-            log::warn!("{:?}", e);
-        }
-        self.0.set_ip(address, netmask)?;
-        self.0.add_route(dest(gateway, netmask), netmask, gateway)
-    }
-    pub fn close(&self) -> io::Result<()> {
-        self.0.shutdown()
-    }
-}
-
-fn dest(ip: Ipv4Addr, mask: Ipv4Addr) -> Ipv4Addr {
-    let ip = ip.octets();
-    let mask = mask.octets();
-    Ipv4Addr::from([
-        ip[0] & mask[0],
-        ip[1] & mask[1],
-        ip[2] & mask[2],
-        ip[3] & mask[3],
-    ])
-}
-
-#[derive(Clone)]
-pub struct TunReader(Arc<TunDevice>);
-
-
-impl TunReader {
-    pub fn next(&self) -> io::Result<TunPacket> {
-        self.0.receive_blocking()
-    }
-}
-
-pub fn create_tun(
-    address: Ipv4Addr,
-    netmask: Ipv4Addr,
-    gateway: Ipv4Addr,
-    in_ips:Vec<(Ipv4Addr,Ipv4Addr)>
-) -> io::Result<(TunWriter, TunReader)> {
-    unsafe {
-        println!("========TUN网卡配置========");
-        match Library::new("wintun.dll") {
-            Ok(lib) => match TunDevice::delete_for_name(lib, TUN_INTERFACE_NAME) {
-                Ok(_) => {
-                    thread::sleep(Duration::from_millis(5));
-                }
-                Err(_) => {}
-            },
-            Err(e) => {
-                log::error!("wintun.dll not found");
-                return Err(io::Error::new(
-                    io::ErrorKind::Other,
-                    format!("wintun.dll not found {:?}", e),
-                ));
-            }
-        }
-        let tun_device = match TunDevice::create(
-            Library::new("wintun.dll").unwrap(),
-            TUN_POOL_NAME,
-            TUN_INTERFACE_NAME,
-        ) {
-            Ok(tun_device) => tun_device,
-            Err(_) => {
-                thread::sleep(Duration::from_millis(200));
-                match TunDevice::create(
-                    Library::new("wintun.dll").unwrap(),
-                    TUN_POOL_NAME,
-                    TUN_INTERFACE_NAME,
-                ) {
-                    Ok(tun_device) => tun_device,
-                    Err(e) => {
-                        return Err(io::Error::new(
-                            io::ErrorKind::Other,
-                            format!("{:?}", e),
-                        ));
-                    }
-                }
-            }
-        };
-        println!("name:{:?}", tun_device.get_name()?);
-        println!("version:{:?}", tun_device.version()?);
-        tun_device.set_ip(address, netmask)?;
-        tun_device.set_metric(1)?;
-        tun_device.set_mtu(1420)?;
-        for (address, netmask) in in_ips {
-            tun_device.add_route(address, netmask, gateway)?;
-        }
-        tun_device.add_route(address, netmask, gateway)?;
-        let device = Arc::new(tun_device);
-        println!("========TUN网卡配置========");
-        Ok((
-            TunWriter(device.clone(), Arc::default()),
-            TunReader(device),
-        ))
-    }
-}
-
-pub fn delete_tun() {
-    unsafe {
-        match Library::new("wintun.dll") {
-            Ok(lib) => match TunDevice::delete_for_name(lib, TUN_INTERFACE_NAME) {
-                Ok(_) => {
-                }
-                Err(_) => {}
-            },
-            Err(_) => {}
-        }
-    }
-}
-
-
-
-
-

switch/src/tun_tap_device/linux.rs

@@ -0,0 +1,121 @@
+use std::io;
+use std::net::Ipv4Addr;
+use crate::tun_tap_device::{DeviceReader, DeviceType, DeviceWriter};
+use tun::Device;
+use parking_lot::Mutex;
+use std::process::Command;
+use std::sync::Arc;
+use crate::tun_tap_device::unix::DeviceW;
+
+impl DeviceWriter {
+    pub fn change_ip(&self, address: Ipv4Addr, netmask: Ipv4Addr,
+                     gateway: Ipv4Addr, _old_netmask: Ipv4Addr, _old_gateway: Ipv4Addr) -> io::Result<()> {
+        let mut config = tun::Configuration::default();
+        config
+            .destination(gateway)
+            .address(address)
+            .netmask(netmask)
+            .mtu(1420)
+            // .queues(2)
+            .up();
+        let mut dev = self.lock.lock();
+        if let Err(e) = dev.configure(&config) {
+            return Err(io::Error::new(io::ErrorKind::Other, format!("{:?}", e)));
+        }
+        let name = dev.name();
+        for (address, netmask) in &self.in_ips {
+            add_route(name, *address, *netmask)?;
+        }
+        // 当前网段路由
+        // add_route(name, address, netmask)?;
+        // 广播和组播路由
+        add_route(name, Ipv4Addr::BROADCAST, Ipv4Addr::BROADCAST)?;
+        add_route(name, Ipv4Addr::from([224, 0, 0, 0]), Ipv4Addr::from([240, 0, 0, 0]))?;
+        return Ok(());
+    }
+}
+
+pub fn add_route(name: &str, address: Ipv4Addr, netmask: Ipv4Addr) -> io::Result<()> {
+    let route_add_str: String = format!(
+        "ip route add {:?}/{:?} dev {}",
+        address, netmask, name
+    );
+    let route_add_out = Command::new("sh")
+        .arg("-c")
+        .arg(&route_add_str)
+        .output()
+        .expect("sh exec error!");
+    if !route_add_out.status.success() {
+        return Err(io::Error::new(io::ErrorKind::Other, format!("添加路由失败: cmd:{},out:{:?}", route_add_str, route_add_out)));
+    }
+    Ok(())
+}
+
+pub fn create_device(device_type: DeviceType,
+                     address: Ipv4Addr,
+                     netmask: Ipv4Addr,
+                     gateway: Ipv4Addr,
+                     in_ips: Vec<(Ipv4Addr, Ipv4Addr)>,
+) -> io::Result<(DeviceWriter, DeviceReader)> {
+    println!("========网卡配置========");
+    let mut config = tun::Configuration::default();
+
+    config
+        .destination(gateway)
+        .address(address)
+        .netmask(netmask)
+        .mtu(1420)
+        // .queues(2) 用多个队列有兼容性问题
+        .up();
+    match device_type {
+        DeviceType::Tun => {}
+        DeviceType::Tap => {
+            config.layer(tun::Layer::L2);
+        }
+    }
+    let dev = tun::create(&config).unwrap();
+    let packet_information = dev.has_packet_information();
+    let queue = dev.queue(0).unwrap();
+    let reader = queue.reader();
+    let writer = queue.writer();
+    let name = dev.name();
+    println!("name:{:?}", name);
+    for (address, netmask) in &in_ips {
+        add_route(name, *address, *netmask)?;
+    }
+    // 当前网段路由
+    // add_route(name, address, netmask)?;
+    // 广播和组播路由
+    add_route(name, Ipv4Addr::BROADCAST, Ipv4Addr::BROADCAST)?;
+    add_route(name, Ipv4Addr::from([224, 0, 0, 0]), Ipv4Addr::from([240, 0, 0, 0]))?;
+    let device_w = match device_type {
+        DeviceType::Tun => {
+            DeviceW::Tun(writer)
+        }
+        DeviceType::Tap => {
+            let get_mac_cmd = format!("cat /sys/class/net/{}/address", name);
+            let mac_out = Command::new("sh")
+                .arg("-c")
+                .arg(get_mac_cmd)
+                .output()
+                .expect("sh exec error!");
+            if !mac_out.status.success() {
+                return Err(io::Error::new(io::ErrorKind::Other, format!("获取mac地址错误: {:?}", mac_out)));
+            }
+            let mac_str = String::from_utf8(mac_out.stdout).unwrap();
+            let mut mac = [0; 6];
+            let mut split = mac_str.split(":");
+            for i in 0..6 {
+                mac[i] = u8::from_str_radix(&split.next().unwrap()[..2], 16).unwrap();
+            }
+            DeviceW::Tap((writer, mac))
+        }
+    };
+    println!("========TUN网卡配置========");
+    Ok((
+        DeviceWriter::new(device_w, Arc::new(Mutex::new(dev)), in_ips, address, packet_information),
+        DeviceReader::new(reader),
+    ))
+}
+
+pub fn delete_device(_device_type: DeviceType) {}

switch/src/tun_tap_device/mac.rs

@@ -0,0 +1,114 @@
+use std::io;
+use std::net::Ipv4Addr;
+use crate::tun_tap_device::{DeviceReader, DeviceType, DeviceWriter};
+use tun::Device;
+use parking_lot::Mutex;
+use std::process::Command;
+use std::sync::Arc;
+use crate::tun_tap_device::unix::DeviceW;
+
+impl DeviceWriter {
+    pub fn change_ip(&self, address: Ipv4Addr, netmask: Ipv4Addr,
+                     gateway: Ipv4Addr, _old_netmask: Ipv4Addr, _old_gateway: Ipv4Addr) -> io::Result<()> {
+        let mut config = tun::Configuration::default();
+        config
+            .destination(gateway)
+            .address(address)
+            .netmask(netmask)
+            .mtu(1420)
+            .up();
+        let mut dev = self.lock.lock();
+        if let Err(e) = dev.configure(&config) {
+            return Err(io::Error::new(io::ErrorKind::Other, format!("{:?}", e)));
+        }
+        if let Err(e) = config_ip(dev.name(), address, netmask, gateway) {
+            log::error!("{}",e);
+        }
+        let name = dev.name();
+        for (address, netmask) in &self.in_ips {
+            add_route(name, *address, *netmask)?;
+        }
+        // 当前网段路由
+        add_route(name, address, netmask)?;
+        // 广播和组播路由
+        add_route(name, Ipv4Addr::BROADCAST, Ipv4Addr::BROADCAST)?;
+        add_route(name, Ipv4Addr::from([224, 0, 0, 0]), Ipv4Addr::from([240, 0, 0, 0]))?;
+        return Ok(());
+    }
+}
+
+pub fn create_device(device_type: DeviceType,
+                     address: Ipv4Addr,
+                     netmask: Ipv4Addr,
+                     gateway: Ipv4Addr,
+                     in_ips: Vec<(Ipv4Addr, Ipv4Addr)>,
+) -> io::Result<(DeviceWriter, DeviceReader)> {
+    match device_type {
+        DeviceType::Tun => {}
+        DeviceType::Tap => {
+            unimplemented!()
+        }
+    }
+    println!("========TUN网卡配置========");
+    let mut config = tun::Configuration::default();
+
+    config
+        .destination(gateway)
+        .address(address)
+        .netmask(netmask)
+        .mtu(1420)
+        .up();
+
+    let dev = tun::create(&config).unwrap();
+    let name = dev.name();
+    config_ip(name, address, netmask, gateway)?;
+    for (address, netmask) in &in_ips {
+        add_route(name, *address, *netmask)?;
+    }
+    // 当前网段路由
+    add_route(name, address, netmask)?;
+    // 广播和组播路由
+    add_route(name, Ipv4Addr::BROADCAST, Ipv4Addr::BROADCAST)?;
+    add_route(name, Ipv4Addr::from([224, 0, 0, 0]), Ipv4Addr::from([240, 0, 0, 0]))?;
+    let packet_information = dev.has_packet_information();
+    let queue = dev.queue(0).unwrap();
+    let reader = queue.reader();
+    let writer = queue.writer();
+    println!("name:{:?}", name);
+    println!("========TUN网卡配置========");
+    Ok((
+        DeviceWriter::new(DeviceW::Tun(writer), Arc::new(Mutex::new(dev)), in_ips, address, packet_information),
+        DeviceReader::new(reader),
+    ))
+}
+
+fn add_route(name: &str, address: Ipv4Addr, netmask: Ipv4Addr) -> io::Result<()> {
+    let route_add_str: String = format!(
+        "sudo route -n add -net {:?}/{:?} -interface {}",
+        address, netmask, name
+    );
+    let route_add_out = Command::new("sh")
+        .arg("-c")
+        .arg(&route_add_str)
+        .output()
+        .expect("sh exec error!");
+    if !route_add_out.status.success() {
+        return Err(io::Error::new(io::ErrorKind::Other, format!("添加路由失败: cmd:{},out:{:?}", route_add_str, route_add_out)));
+    }
+    Ok(())
+}
+
+fn config_ip(name: &str, address: Ipv4Addr, _netmask: Ipv4Addr, gateway: Ipv4Addr) -> io::Result<()> {
+    let up_eth_str: String = format!("ifconfig {} {:?} {:?} up ", name, address, gateway);
+    let up_eth_out = Command::new("sh")
+        .arg("-c")
+        .arg(&up_eth_str)
+        .output()
+        .expect("sh exec error!");
+    if !up_eth_out.status.success() {
+        return Err(io::Error::new(io::ErrorKind::Other, format!("设置网络地址失败: cmd:{},out:{:?}", up_eth_str, up_eth_out)));
+    }
+    Ok(())
+}
+
+pub fn delete_device(_device_type: DeviceType) {}

switch/src/tun_tap_device/mod.rs

@@ -0,0 +1,32 @@
+#[cfg(target_os = "windows")]
+pub mod windows;
+#[cfg(any(target_os = "linux", target_os = "android"))]
+pub mod linux;
+#[cfg(target_os = "macos")]
+pub mod mac;
+#[cfg(any(unix))]
+pub mod unix;
+
+#[cfg(any(target_os = "linux", target_os = "android"))]
+pub use linux::create_device;
+#[cfg(any(target_os = "linux", target_os = "android"))]
+pub use linux::delete_device;
+#[cfg(any(unix))]
+pub use unix::{DeviceWriter, DeviceReader};
+
+#[cfg(target_os = "macos")]
+pub use mac::create_device;
+#[cfg(target_os = "macos")]
+pub use mac::delete_device;
+
+#[cfg(target_os = "windows")]
+pub use windows::create_device;
+#[cfg(target_os = "windows")]
+pub use windows::delete_device;
+#[cfg(target_os = "windows")]
+pub use windows::{DeviceWriter, DeviceReader};
+
+pub enum DeviceType {
+    Tun,
+    Tap,
+}

switch/src/tun_tap_device/unix.rs

@@ -0,0 +1,144 @@
+use std::io;
+use std::sync::Arc;
+
+use bytes::BufMut;
+use tun::platform::posix::{Reader, Writer};
+use std::net::Ipv4Addr;
+use std::os::unix::io::AsRawFd;
+use crossbeam::atomic::AtomicCell;
+#[cfg(any(target_os = "linux", target_os = "android"))]
+use tun::platform::linux::Device;
+#[cfg(any(target_os = "macos", target_os = "ios"))]
+use tun::platform::macos::Device;
+use parking_lot::Mutex;
+use packet::ethernet;
+
+use packet::ethernet::packet::EthernetPacket;
+#[derive(Clone)]
+pub enum DeviceW {
+    Tun(Writer),
+    Tap((Writer, [u8; 6])),
+}
+
+impl DeviceW {
+    pub fn is_tun(&self) -> bool {
+        match self {
+            DeviceW::Tun(_) => {
+                true
+            }
+            DeviceW::Tap(_) => {
+                false
+            }
+        }
+    }
+}
+
+#[derive(Clone)]
+pub struct DeviceWriter {
+    writer: DeviceW,
+    pub lock: Arc<Mutex<Device>>,
+    pub in_ips: Vec<(Ipv4Addr, Ipv4Addr)>,
+    ip: Arc<AtomicCell<Ipv4Addr>>,
+    packet_information: bool,
+}
+
+impl DeviceWriter {
+    pub fn new(writer: DeviceW,lock: Arc<Mutex<Device>>, in_ips: Vec<(Ipv4Addr, Ipv4Addr)>, ip: Ipv4Addr, packet_information: bool) -> Self {
+        Self {
+            writer,
+            lock,
+            in_ips,
+            ip: Arc::new(AtomicCell::new(ip)),
+            packet_information,
+        }
+    }
+}
+
+impl DeviceWriter {
+    pub fn write(packet_information: bool, writer: &Writer, packet: &[u8]) -> io::Result<()> {
+        if packet_information {
+            let mut buf = Vec::<u8>::with_capacity(4 + packet.len());
+            buf.put_u16(0);
+            #[cfg(any(target_os = "macos", target_os = "ios"))]
+            buf.put_u16(libc::PF_INET as u16);
+            #[cfg(any(target_os = "linux", target_os = "android"))]
+            buf.put_u16(libc::ETH_P_IP as u16);
+            buf.extend_from_slice(packet);
+            writer.write_all(&buf)
+        } else {
+            writer.write_all(packet)
+        }
+    }
+    ///tun网卡写入ipv4数据
+    pub fn write_ipv4_tun(&self, buf: &[u8]) -> io::Result<()> {
+        match &self.writer {
+            DeviceW::Tun(writer) => {
+                Self::write(self.packet_information, writer, buf)
+            }
+            DeviceW::Tap(_) => {
+                Err(io::Error::from(io::ErrorKind::Unsupported))
+            }
+        }
+    }
+    /// tap网卡写入以太网帧
+    pub fn write_ethernet_tap(&self, buf: &[u8]) -> io::Result<()> {
+        match &self.writer {
+            DeviceW::Tun(_) => {
+                Err(io::Error::from(io::ErrorKind::Unsupported))
+            }
+            DeviceW::Tap((writer, _)) => {
+                Self::write(self.packet_information, writer, buf)
+            }
+        }
+    }
+    ///写入ipv4数据，头部必须留14字节，给tap写入以太网帧头
+    pub fn write_ipv4(&self, buf: &mut [u8]) -> io::Result<()> {
+        match &self.writer {
+            DeviceW::Tun(writer) => {
+                Self::write(self.packet_information, writer, &buf[14..])
+            }
+            DeviceW::Tap((writer, mac)) => {
+                let source_mac = [buf[14 + 12], buf[14 + 13], buf[14 + 14], buf[14 + 15], !mac[5], 234];
+                let mut ethernet_packet = EthernetPacket::unchecked(buf);
+                ethernet_packet.set_source(&source_mac);
+                ethernet_packet.set_destination(mac);
+                ethernet_packet.set_protocol(ethernet::protocol::Protocol::Ipv4);
+                Self::write(self.packet_information, writer, &ethernet_packet.buffer)
+            }
+        }
+    }
+    pub fn ip(&self) -> Ipv4Addr {
+        self.ip.load()
+    }
+    pub fn close(&self) -> io::Result<()> {
+        unsafe {
+            match &self.writer {
+                DeviceW::Tun(writer) => {
+                    libc::close(writer.as_raw_fd());
+                }
+                DeviceW::Tap((writer, _)) => {
+                    libc::close(writer.as_raw_fd());
+                }
+            }
+        }
+        Ok(())
+    }
+    pub fn is_tun(&self) -> bool {
+        self.writer.is_tun()
+    }
+}
+
+#[derive(Clone)]
+pub struct DeviceReader(Reader);
+
+impl DeviceReader {
+    pub fn new(device: Reader) -> Self {
+        DeviceReader(device)
+    }
+}
+
+impl DeviceReader {
+    pub fn read(&self, buf: &mut [u8]) -> io::Result<usize> {
+        self.0.read(buf)
+    }
+}

switch/src/tun_tap_device/windows.rs

@@ -0,0 +1,365 @@
+use std::{io, thread};
+use std::net::Ipv4Addr;
+use std::sync::Arc;
+use std::time::Duration;
+use crossbeam::atomic::AtomicCell;
+use libloading::Library;
+use parking_lot::Mutex;
+use packet::ethernet;
+use packet::ethernet::packet::EthernetPacket;
+use win_tun_tap::{IFace, TapDevice, TunDevice};
+use crate::tun_tap_device::DeviceType;
+
+pub const TUN_INTERFACE_NAME: &str = "Switch-Tun-V1";
+pub const TUN_POOL_NAME: &str = "Switch-Tun-V1";
+pub const TAP_INTERFACE_NAME: &str = "Switch-Tap-V1";
+
+pub enum Device {
+    Tun(TunDevice),
+    Tap((TapDevice, [u8; 6])),
+}
+
+impl Device {
+    pub fn is_tun(&self) -> bool {
+        match self {
+            Device::Tun(_) => {
+                true
+            }
+            Device::Tap(_) => {
+                false
+            }
+        }
+    }
+}
+
+#[derive(Clone)]
+pub struct DeviceWriter {
+    device: Arc<Device>,
+    lock: Arc<Mutex<()>>,
+    in_ips: Vec<(Ipv4Addr, Ipv4Addr)>,
+    ip: Arc<AtomicCell<Ipv4Addr>>,
+}
+
+impl DeviceWriter {
+    pub fn new(device: Arc<Device>, in_ips: Vec<(Ipv4Addr, Ipv4Addr)>, ip: Ipv4Addr) -> Self {
+        Self {
+            device,
+            lock: Arc::new(Default::default()),
+            in_ips,
+            ip: Arc::new(AtomicCell::new(ip)),
+        }
+    }
+}
+
+impl DeviceWriter {
+    ///tun网卡写入ipv4数据
+    pub fn write_ipv4_tun(&self, buf: &[u8]) -> io::Result<()> {
+        match self.device.as_ref() {
+            Device::Tun(dev) => {
+                let mut packet = dev.allocate_send_packet(buf.len() as u16)?;
+                packet.bytes_mut().copy_from_slice(buf);
+                dev.send_packet(packet);
+                Ok(())
+            }
+            Device::Tap(_) => {
+                Err(io::Error::from(io::ErrorKind::Unsupported))
+            }
+        }
+    }
+    /// tap网卡写入以太网帧
+    pub fn write_ethernet_tap(&self, buf: &[u8]) -> io::Result<()> {
+        match self.device.as_ref() {
+            Device::Tun(_) => {
+                Err(io::Error::from(io::ErrorKind::Unsupported))
+            }
+            Device::Tap((dev, _)) => {
+                dev.write(buf)?;
+                Ok(())
+            }
+        }
+    }
+    ///写入ipv4数据，头部必须留14字节，给tap写入以太网帧头
+    pub fn write_ipv4(&self, buf: &mut [u8]) -> io::Result<()> {
+        match self.device.as_ref() {
+            Device::Tun(dev) => {
+                let mut packet = dev.allocate_send_packet((buf.len() - 14) as u16)?;
+                packet.bytes_mut().copy_from_slice(&buf[14..]);
+                dev.send_packet(packet);
+            }
+            Device::Tap((dev, mac)) => {
+                let source_mac = [buf[14 + 12], buf[14 + 13], buf[14 + 14], buf[14 + 15], !mac[5], 234];
+                let mut ethernet_packet = EthernetPacket::unchecked(buf);
+                ethernet_packet.set_source(&source_mac);
+                ethernet_packet.set_destination(mac);
+                ethernet_packet.set_protocol(ethernet::protocol::Protocol::Ipv4);
+                dev.write(&ethernet_packet.buffer)?;
+            }
+        }
+        Ok(())
+    }
+    pub fn change_ip(
+        &self,
+        address: Ipv4Addr,
+        netmask: Ipv4Addr,
+        gateway: Ipv4Addr,
+        old_netmask: Ipv4Addr,
+        old_gateway: Ipv4Addr,
+    ) -> io::Result<()> {
+        let _guard = self.lock.lock();
+        let dev: &dyn IFace = match self.device.as_ref() {
+            Device::Tun(dev) => {
+                dev as &dyn IFace
+            }
+            Device::Tap((dev, _)) => {
+                dev as &dyn IFace
+            }
+        };
+        if let Err(e) =
+            dev.delete_route(dest(old_gateway, old_gateway), old_netmask, old_gateway)
+        {
+            log::warn!("{:?}", e);
+        }
+        dev.set_ip(address, netmask)?;
+        self.ip.store(address);
+        for (address, netmask) in &self.in_ips {
+            dev.add_route(*address, *netmask, gateway, 1)?;
+        }
+        // 当前网段路由
+        dev.add_route(address, netmask, gateway, 1)?;
+        // 广播和组播路由
+        dev.add_route(Ipv4Addr::BROADCAST, Ipv4Addr::BROADCAST, gateway, 1)?;
+        dev.add_route(Ipv4Addr::from([224, 0, 0, 0]), Ipv4Addr::from([240, 0, 0, 0]), gateway, 1)?;
+        delete_cache();
+        Ok(())
+    }
+    pub fn ip(&self) -> Ipv4Addr {
+        self.ip.load()
+    }
+    pub fn close(&self) -> io::Result<()> {
+        match self.device.as_ref() {
+            Device::Tun(dev) => {
+                dev.shutdown()
+            }
+            Device::Tap((dev, _)) => {
+                dev.shutdown()
+            }
+        }
+    }
+    pub fn is_tun(&self) -> bool {
+        self.device.is_tun()
+    }
+}
+
+fn dest(ip: Ipv4Addr, mask: Ipv4Addr) -> Ipv4Addr {
+    let ip = ip.octets();
+    let mask = mask.octets();
+    Ipv4Addr::from([
+        ip[0] & mask[0],
+        ip[1] & mask[1],
+        ip[2] & mask[2],
+        ip[3] & mask[3],
+    ])
+}
+
+#[derive(Clone)]
+pub struct DeviceReader {
+    device: Arc<Device>,
+}
+
+impl DeviceReader {
+    pub fn new(device: Arc<Device>) -> Self {
+        Self {
+            device,
+        }
+    }
+}
+
+impl DeviceReader {
+    pub fn read(&self, buf: &mut [u8]) -> io::Result<usize> {
+        match self.device.as_ref() {
+            Device::Tun(dev) => {
+                let packet = dev.receive_blocking()?;
+                let packet = packet.bytes();
+                let len = packet.len();
+                if len > buf.len() {
+                    return Err(io::Error::new(io::ErrorKind::InvalidData, "data too long"));
+                }
+                buf[..len].copy_from_slice(packet);
+                Ok(len)
+            }
+            Device::Tap((dev, _)) => {
+                dev.read(buf)
+            }
+        }
+    }
+}
+
+fn create_tun(
+    address: Ipv4Addr,
+    netmask: Ipv4Addr,
+    gateway: Ipv4Addr,
+    in_ips: Vec<(Ipv4Addr, Ipv4Addr)>,
+) -> io::Result<(DeviceWriter, DeviceReader)> {
+    unsafe {
+        println!("========TUN网卡配置========");
+        match Library::new("wintun.dll") {
+            Ok(lib) => match TunDevice::delete_for_name(lib, TUN_INTERFACE_NAME) {
+                Ok(_) => {
+                    thread::sleep(Duration::from_millis(5));
+                }
+                Err(_) => {}
+            },
+            Err(e) => {
+                log::error!("wintun.dll not found");
+                return Err(io::Error::new(
+                    io::ErrorKind::Other,
+                    format!("wintun.dll not found {:?}", e),
+                ));
+            }
+        }
+        let tun_device = match TunDevice::create(
+            Library::new("wintun.dll").unwrap(),
+            TUN_POOL_NAME,
+            TUN_INTERFACE_NAME,
+        ) {
+            Ok(tun_device) => tun_device,
+            Err(_) => {
+                thread::sleep(Duration::from_millis(200));
+                match TunDevice::create(
+                    Library::new("wintun.dll").unwrap(),
+                    TUN_POOL_NAME,
+                    TUN_INTERFACE_NAME,
+                ) {
+                    Ok(tun_device) => tun_device,
+                    Err(e) => {
+                        return Err(io::Error::new(
+                            io::ErrorKind::Other,
+                            format!("{:?}", e),
+                        ));
+                    }
+                }
+            }
+        };
+        println!("name:{:?}", tun_device.get_name()?);
+        println!("version:{:?}", tun_device.version()?);
+        tun_device.set_ip(address, netmask)?;
+        tun_device.set_metric(1)?;
+        tun_device.set_mtu(1420)?;
+        // ip代理路由
+        for (address, netmask) in &in_ips {
+            tun_device.add_route(*address, *netmask, gateway, 1)?;
+        }
+        // 当前网段路由
+        tun_device.add_route(address, netmask, gateway, 1)?;
+        // 广播和组播路由
+        tun_device.add_route(Ipv4Addr::BROADCAST, Ipv4Addr::BROADCAST, gateway, 1)?;
+        tun_device.add_route(Ipv4Addr::from([224, 0, 0, 0]), Ipv4Addr::from([240, 0, 0, 0]), gateway, 1)?;
+        delete_cache();
+        let device = Arc::new(Device::Tun(tun_device));
+        println!("========TUN网卡配置========");
+        Ok((
+            DeviceWriter::new(device.clone(), in_ips, address),
+            DeviceReader::new(device),
+        ))
+    }
+}
+fn delete_cache(){
+    //清除路由缓存
+    let delete_cache = "netsh interface ip delete destinationcache";
+    let out = std::process::Command::new("cmd")
+        .arg("/C")
+        .arg(delete_cache)
+        .output()
+        .unwrap();
+    if !out.status.success(){
+        log::warn!("删除缓存失败:{:?}",out);
+    }
+}
+
+fn delete_tun() {
+    unsafe {
+        match Library::new("wintun.dll") {
+            Ok(lib) => match TunDevice::delete_for_name(lib, TUN_INTERFACE_NAME) {
+                Ok(_) => {}
+                Err(_) => {}
+            },
+            Err(_) => {}
+        }
+    }
+}
+
+fn create_tap(
+    address: Ipv4Addr,
+    netmask: Ipv4Addr,
+    gateway: Ipv4Addr,
+    in_ips: Vec<(Ipv4Addr, Ipv4Addr)>,
+) -> io::Result<(DeviceWriter, DeviceReader)> {
+    println!("========TAP网卡配置========");
+    let tap_device = match TapDevice::open(TAP_INTERFACE_NAME) {
+        Ok(tap_device) => tap_device,
+        Err(e) => {
+            log::warn!("{:?}", e);
+            let tap_device = TapDevice::create()?;
+            tap_device.set_name(TAP_INTERFACE_NAME)?;
+            tap_device
+        }
+    };
+    let mac = tap_device.get_mac()?;
+    println!("name:{:?}", tap_device.get_name()?);
+    println!("version:{:x?}", tap_device.get_version()?);
+    println!("mac:{:x?}", mac);
+    tap_device.set_ip(address, netmask)?;
+    tap_device.set_metric(1)?;
+    tap_device.set_mtu(1420)?;
+    tap_device.set_status(true)?;
+    tap_device.add_route(address, netmask, gateway, 1)?;
+    for (address, netmask) in &in_ips {
+        tap_device.add_route(*address, *netmask, gateway, 1)?;
+    }
+    // 广播和组播路由
+    tap_device.add_route(Ipv4Addr::BROADCAST, Ipv4Addr::BROADCAST, gateway, 1)?;
+    tap_device.add_route(Ipv4Addr::from([224, 0, 0, 0]), Ipv4Addr::from([240, 0, 0, 0]), gateway, 1)?;
+    delete_cache();
+    let tap = Arc::new(Device::Tap((tap_device, mac)));
+    println!("========TAP网卡配置========");
+    Ok((
+        DeviceWriter::new(tap.clone(), in_ips, address),
+        DeviceReader::new(tap)
+    ))
+}
+
+fn delete_tap() {
+    let tap_device = match TapDevice::open(TAP_INTERFACE_NAME) {
+        Ok(tap_device) => tap_device,
+        Err(_) => {
+            return;
+        }
+    };
+    let _ = tap_device.delete();
+}
+
+pub fn create_device(device_type: DeviceType, address: Ipv4Addr,
+                     netmask: Ipv4Addr,
+                     gateway: Ipv4Addr,
+                     in_ips: Vec<(Ipv4Addr, Ipv4Addr)>, ) -> io::Result<(DeviceWriter, DeviceReader)> {
+    match device_type {
+        DeviceType::Tun => {
+            create_tun(address, netmask, gateway, in_ips)
+        }
+        DeviceType::Tap => {
+            create_tap(address, netmask, gateway, in_ips)
+        }
+    }
+}
+
+pub fn delete_device(device_type: DeviceType) {
+    match device_type {
+        DeviceType::Tun => {
+            delete_tun()
+        }
+        DeviceType::Tap => {
+            delete_tap()
+        }
+    }
+}
+

switch/win-tun-tap/Cargo.toml

@@ -13,7 +13,7 @@ libloading = "0.7"
 widestring = "0.4"
 once_cell = "1.8"
 itertools = "0.10.1"
-
+rand = "0.8.5"
 [dependencies.winapi]
 version = "0.3"
 features = [

switch/win-tun-tap/src/lib.rs

@@ -5,8 +5,8 @@ mod tun;
 mod ffi;
 mod netsh;
 mod route;
-
 use std::{io, net};
+use std::net::Ipv4Addr;
 pub use tap::TapDevice;
 pub use tun::*;
 
@@ -23,7 +23,7 @@ fn decode_utf16(string: &[u16]) -> String {
 }
 
 pub trait IFace {
-    fn shutdown(&self)->io::Result<()>;
+    fn shutdown(&self) -> io::Result<()>;
     /// 获取接口索引
     fn get_index(&self) -> io::Result<u32>;
     /// 获取名称
@@ -31,18 +31,15 @@ pub trait IFace {
     /// 设置名称
     fn set_name(&self, new_name: &str) -> io::Result<()>;
     /// 设置ip
-    fn set_ip<IP>(&self, address: IP, mask: IP) -> io::Result<()>
-        where IP: Into<net::Ipv4Addr>;
+    fn set_ip(&self, address: Ipv4Addr, mask: Ipv4Addr) -> io::Result<()>;
     /// 设置路由
-    fn add_route<IP>(&self, dest: IP,
-                     netmask: IP,
-                     gateway: IP, ) -> io::Result<()>
-        where IP: Into<net::Ipv4Addr>;
+    fn add_route(&self, dest: Ipv4Addr,
+                     netmask: Ipv4Addr,
+                     gateway: Ipv4Addr, metric: u16) -> io::Result<()>;
     /// 删除路由
-    fn delete_route<IP>(&self, dest: IP,
-                        netmask: IP,
-                        gateway: IP, ) -> io::Result<()>
-        where IP: Into<net::Ipv4Addr>;
+    fn delete_route(&self, dest: Ipv4Addr,
+                        netmask: Ipv4Addr,
+                        gateway: Ipv4Addr, ) -> io::Result<()>;
     /// 设置最大传输单元
     fn set_mtu(&self, mtu: u16) -> io::Result<()>;
     /// 设置跃点

switch/win-tun-tap/src/route.rs

@@ -4,10 +4,10 @@ use std::net::Ipv4Addr;
 /// 添加路由
 pub fn add_route(index: u32, dest: Ipv4Addr,
                  netmask: Ipv4Addr,
-                 gateway: Ipv4Addr, ) -> io::Result<()> {
+                 gateway: Ipv4Addr, metric: u16) -> io::Result<()> {
     let set_route = format!(
-        "route add {:?} mask {:?} {:?} if {}",
-        dest, netmask, gateway, index
+        "route add {:?} mask {:?} {:?} metric {} if {}",
+        dest, netmask, gateway, metric, index
     );
     // 执行添加路由命令
     let out = std::process::Command::new("cmd")
@@ -23,7 +23,7 @@ pub fn add_route(index: u32, dest: Ipv4Addr,
 }
 
 /// 删除路由
-pub fn delete_route(index: u32, dest: Ipv4Addr,netmask: Ipv4Addr, gateway: Ipv4Addr) -> io::Result<()> {
+pub fn delete_route(index: u32, dest: Ipv4Addr, netmask: Ipv4Addr, gateway: Ipv4Addr) -> io::Result<()> {
     if index == 0 {
         return Err(io::Error::new(io::ErrorKind::Other, format!("网络接口索引错误: {:?}", index)));
     }

switch/win-tun-tap/src/tap/mod.rs

@@ -135,19 +135,19 @@ impl IFace for TapDevice {
         netsh::set_interface_name(&name, new_name)
     }
 
-    fn set_ip<IP>(&self, address: IP, mask: IP) -> io::Result<()> where IP: Into<Ipv4Addr> {
+    fn set_ip(&self, address: Ipv4Addr, mask: Ipv4Addr) -> io::Result<()> {
         let index = self.get_index()?;
-        netsh::set_interface_ip(index, &address.into(), &mask.into())
+        netsh::set_interface_ip(index, &address, &mask)
     }
 
-    fn add_route<IP>(&self, dest: IP, netmask: IP, gateway: IP) -> io::Result<()> where IP: Into<Ipv4Addr> {
+    fn add_route(&self, dest: Ipv4Addr, netmask: Ipv4Addr, gateway: Ipv4Addr, metric: u16) -> io::Result<()>  {
         let index = self.get_index()?;
-        route::add_route(index, dest.into(), netmask.into(), gateway.into())
+        route::add_route(index, dest, netmask, gateway,metric)
     }
 
-    fn delete_route<IP>(&self, dest: IP, netmask: IP, gateway: IP) -> io::Result<()> where IP: Into<Ipv4Addr> {
+    fn delete_route(&self, dest: Ipv4Addr, netmask: Ipv4Addr, gateway: Ipv4Addr) -> io::Result<()>  {
         let index = self.get_index()?;
-        route::delete_route(index, dest.into(), netmask.into(), gateway.into())
+        route::delete_route(index, dest, netmask, gateway)
     }
 
     fn set_mtu(&self, mtu: u16) -> io::Result<()> {

switch/win-tun-tap/src/tun/mod.rs

@@ -4,7 +4,7 @@ use std::net::Ipv4Addr;
 use winapi::um::{handleapi, synchapi, winbase, winnt};
 
 use crate::{decode_utf16, encode_utf16, ffi, IFace, netsh, route};
-
+use rand::Rng;
 mod wintun_raw;
 mod log;
 pub mod packet;
@@ -20,7 +20,7 @@ pub const MAX_POOL: usize = 256;
 
 
 pub struct TunDevice {
-    pub(crate) luid:u64,
+    pub(crate) luid: u64,
     pub(crate) index: u32,
     /// The session handle given to us by WintunStartSession
     pub(crate) session: wintun_raw::WINTUN_SESSION_HANDLE,
@@ -44,11 +44,7 @@ pub struct TunDevice {
 unsafe impl Send for TunDevice {}
 
 unsafe impl Sync for TunDevice {}
-winapi::DEFINE_GUID! {
-    GUID_NETWORK_ADAPTER,
-    0x4d36e972, 0xe325, 0x11ce,
-    0xbf, 0xc1, 0x08, 0x00, 0x2b, 0xe1, 0x03, 0x18
-}
+
 impl TunDevice {
     pub unsafe fn create<L>(library: L, pool: &str, name: &str) -> io::Result<Self>
         where L: Into<libloading::Library>, {
@@ -66,9 +62,13 @@ impl TunDevice {
         if name_utf16.len() > MAX_POOL {
             return Err(io::Error::new(io::ErrorKind::Other, format!("长度大于{}:{:?}", MAX_POOL, pool)));
         }
+        let mut guid_bytes: [u8; 16] = [0u8; 16];
+        rand::thread_rng().fill(&mut guid_bytes);
+        let guid = u128::from_ne_bytes(guid_bytes);
         //SAFETY: guid is a unique integer so transmuting either all zeroes or the user's preferred
         //guid to the winapi guid type is safe and will allow the windows kernel to see our GUID
-        let guid_struct: wintun_raw::GUID = unsafe { std::mem::transmute(GUID_NETWORK_ADAPTER) };
+
+        let guid_struct: wintun_raw::GUID = unsafe { std::mem::transmute(guid) };
         let guid_ptr = &guid_struct as *const wintun_raw::GUID;
 
         log::set_default_logger_if_unset(&win_tun);
@@ -97,7 +97,7 @@ impl TunDevice {
         win_tun.WintunGetAdapterLUID(adapter, &mut luid as *mut wintun_raw::NET_LUID);
         let index = ffi::luid_to_index(&std::mem::transmute(luid)).map(|index| index as u32)?;
         Ok(TunDevice {
-            luid:std::mem::transmute(luid),
+            luid: std::mem::transmute(luid),
             index,
             session,
             win_tun,
@@ -155,6 +155,7 @@ pub struct Version {
 //     }
 // }
 
+
 impl IFace for TunDevice {
     fn shutdown(&self) -> io::Result<()> {
         let _ = unsafe { synchapi::SetEvent(self.shutdown_event) };
@@ -178,16 +179,16 @@ impl IFace for TunDevice {
         netsh::set_interface_name(&name, new_name)
     }
 
-    fn set_ip<IP>(&self, address: IP, mask: IP) -> io::Result<()> where IP: Into<Ipv4Addr> {
-        netsh::set_interface_ip(self.get_index()?, &address.into(), &mask.into())
+    fn set_ip(&self, address: Ipv4Addr, mask: Ipv4Addr) -> io::Result<()>{
+        netsh::set_interface_ip(self.get_index()?, &address, &mask)
     }
 
-    fn add_route<IP>(&self, dest: IP, netmask: IP, gateway: IP) -> io::Result<()> where IP: Into<Ipv4Addr> {
-        route::add_route(self.get_index()?, dest.into(), netmask.into(), gateway.into())
+    fn add_route(&self, dest: Ipv4Addr, netmask: Ipv4Addr, gateway: Ipv4Addr, metric: u16) -> io::Result<()>  {
+        route::add_route(self.get_index()?, dest, netmask, gateway, metric)
     }
 
-    fn delete_route<IP>(&self, dest: IP, netmask: IP, gateway: IP) -> io::Result<()> where IP: Into<Ipv4Addr> {
-        route::delete_route(self.get_index()?, dest.into(), netmask.into(), gateway.into())
+    fn delete_route(&self, dest: Ipv4Addr, netmask: Ipv4Addr, gateway: Ipv4Addr) -> io::Result<()>  {
+        route::delete_route(self.get_index()?, dest, netmask, gateway)
     }
 
     fn set_mtu(&self, mtu: u16) -> io::Result<()> {