不转发来源和目的相同的数据

README.md

@@ -213,7 +213,6 @@ sudo pfctl -f /etc/pf.conf -e
 ### Todo
 
 - 桌面UI(测试中)
-- 支持Ipv6(1.2.2已支持客户端之间的ipv6，待支持客户端和服务端之间的ipv6通信)
 
 ### 常见问题
 

vnt-cli/Cargo.toml

@@ -40,4 +40,5 @@ aes_gcm=["vnt/aes_gcm"]
 server_encrypt=["vnt/server_encrypt"]
 ip_proxy=["vnt/ip_proxy"]
 [build-dependencies]
-embed-manifest = "1.4.0"
+embed-manifest = "1.4.0"
+rand = "0.9.0-alpha.0"

vnt-cli/README.md

@@ -118,6 +118,9 @@ ports:
 cmd: false #关闭控制台输入
 no_proxy: false #是否关闭内置代理，true为关闭
 first_latency: false #是否优先低延迟通道，默认为false，表示优先使用p2p通道
+device_name: vnt-tun #网卡名称
+packet_loss: 0 #指定丢包率 取值0~1之间的数 用于模拟弱网
+packet_delay: 0 #指定延迟 单位毫秒 用于模拟弱网
 ```
 
 或者需要哪个配置就加哪个，当然token是必须的

vnt-cli/build.rs

@@ -1,10 +1,17 @@
-// use embed_manifest::{embed_manifest, new_manifest};
+use rand::Rng;
-// use embed_manifest::manifest::ExecutionLevel;
+use std::fs::File;
+use std::io::Write;
 
 fn main() {
-    ////强制用管理员运行貌似体验更差了
+    // 生成随机序列号
-    // if std::env::var_os("CARGO_CFG_WINDOWS").is_some() {
+    let serial_number = format!(
-    //     embed_manifest(new_manifest("vnt")
+        "{}-{}-{}",
-    //         .requested_execution_level(ExecutionLevel::RequireAdministrator)).expect("unable to embed manifest file");
+        rand::thread_rng().gen_range(100..1000),
-    // }
+        rand::thread_rng().gen_range(100..1000),
+        rand::thread_rng().gen_range(100..1000)
+    );
+    let generated_code = format!(r#"pub const SERIAL_NUMBER: &str = "{}";"#, serial_number);
+    let dest_path = "src/generated_serial_number.rs";
+    let mut file = File::create(&dest_path).unwrap();
+    file.write_all(generated_code.as_bytes()).unwrap();
 }

vnt-cli/src/callback.rs

@@ -31,6 +31,7 @@ impl VntCallback for VntHandler {
     }
 
     fn error(&self, info: ErrorInfo) {
+        log::error!("error {:?}", info);
         println!("{}", style(format!("error {}", info)).red());
         match info.code {
             ErrorType::TokenError

vnt-cli/src/main.rs

@@ -15,6 +15,7 @@ use vnt::core::{Config, Vnt};
 mod command;
 mod config;
 mod console_out;
+mod generated_serial_number;
 mod root_check;
 
 pub fn app_home() -> io::Result<PathBuf> {
@@ -336,7 +337,7 @@ fn main() {
         (config, cmd)
     };
     println!("version {}", vnt::VNT_VERSION);
-
+    println!("Serial:{}", generated_serial_number::SERIAL_NUMBER);
     main0(config, cmd);
     std::process::exit(0);
 }
@@ -346,11 +347,14 @@ mod callback;
 fn main0(config: Config, show_cmd: bool) {
     let vnt_util = Vnt::new(config, callback::VntHandler {}).unwrap();
     let vnt_c = vnt_util.clone();
-    thread::spawn(move || {
+    thread::Builder::new()
-        if let Err(e) = command::server::CommandServer::new().start(vnt_c) {
+        .name("CommandServer".into())
-            log::warn!("cmd:{:?}", e);
+        .spawn(move || {
-        }
+            if let Err(e) = command::server::CommandServer::new().start(vnt_c) {
-    });
+                log::warn!("cmd:{:?}", e);
+            }
+        })
+        .expect("CommandServer");
     if show_cmd {
         let mut cmd = String::new();
         loop {
@@ -406,6 +410,7 @@ fn command(cmd: &str, vnt: &Vnt) -> bool {
 fn print_usage(program: &str, _opts: Options) {
     println!("Usage: {} [options]", program);
     println!("version:{}", vnt::VNT_VERSION);
+    println!("Serial:{}", generated_serial_number::SERIAL_NUMBER);
     println!("Options:");
     println!(
         "  -k <token>          {}",

vnt/src/channel/context.rs

@@ -28,6 +28,7 @@ impl Context {
         is_tcp: bool,
         packet_loss_rate: Option<f64>,
         packet_delay: u32,
+        use_ipv6: bool,
     ) -> Self {
         let channel_num = main_udp_socket.len();
         assert_ne!(channel_num, 0, "not channel");
@@ -51,6 +52,7 @@ impl Context {
             packet_loss_rate,
             packet_delay,
             main_index: AtomicUsize::new(0),
+            use_ipv6,
         };
         Self {
             inner: Arc::new(inner),
@@ -70,7 +72,7 @@ impl Deref for Context {
 }
 
 /// 对称网络增加的udp socket数目，有助于增加打洞成功率
-pub const SYMMETRIC_CHANNEL_NUM: usize = 64;
+pub const SYMMETRIC_CHANNEL_NUM: usize = 100;
 const PACKET_LOSS_RATE_DENOMINATOR: u32 = 100_0000;
 pub struct ContextInner {
     // 核心udp socket
@@ -90,6 +92,7 @@ pub struct ContextInner {
     //控制延迟
     packet_delay: u32,
     main_index: AtomicUsize,
+    use_ipv6: bool,
 }
 
 impl ContextInner {
@@ -172,15 +175,16 @@ impl ContextInner {
         }
     }
     pub fn send_main_udp(&self, index: usize, buf: &[u8], mut addr: SocketAddr) -> io::Result<()> {
-        //核心udp socket都是ipv6模式,如果是v4地址则需要转换成v6
+        if self.use_ipv6 {
-        //只有服务器地址可能需要这样转换
+            //如果是v4地址则需要转换成v6
-        if let SocketAddr::V4(ipv4) = addr {
+            if let SocketAddr::V4(ipv4) = addr {
-            addr = SocketAddr::V6(SocketAddrV6::new(
+                addr = SocketAddr::V6(SocketAddrV6::new(
-                ipv4.ip().to_ipv6_mapped(),
+                    ipv4.ip().to_ipv6_mapped(),
-                ipv4.port(),
+                    ipv4.port(),
-                0,
+                    0,
-                0,
+                    0,
-            ));
+                ));
+            }
         }
         self.main_udp_socket[index].send_to(buf, addr)?;
         Ok(())
@@ -208,17 +212,9 @@ impl ContextInner {
             thread::sleep(Duration::from_millis(1));
         }
     }
-    pub fn try_send_all_main(&self, buf: &[u8], mut addr: SocketAddr) {
+    pub fn try_send_all_main(&self, buf: &[u8], addr: SocketAddr) {
-        if let SocketAddr::V4(ipv4) = addr {
+        for index in 0..self.channel_num() {
-            addr = SocketAddr::V6(SocketAddrV6::new(
+            if let Err(e) = self.send_main_udp(index, buf, addr) {
-                ipv4.ip().to_ipv6_mapped(),
-                ipv4.port(),
-                0,
-                0,
-            ));
-        }
-        for udp in &self.main_udp_socket {
-            if let Err(e) = udp.send_to(buf, addr) {
                 log::warn!("{:?},add={:?}", e, addr);
             }
         }

vnt/src/channel/mod.rs

@@ -154,13 +154,31 @@ pub fn init_context(
 ) -> io::Result<(Context, mio::net::TcpListener)> {
     assert!(!ports.is_empty(), "not channel");
     let mut udps = Vec::with_capacity(ports.len());
+    //检查系统是否支持ipv6
+    let use_ipv6 = match socket2::Socket::new(socket2::Domain::IPV6, socket2::Type::DGRAM, None) {
+        Ok(_) => true,
+        Err(e) => {
+            log::warn!("{:?}", e);
+            false
+        }
+    };
     for port in &ports {
         //监听v6+v4双栈
-        let address: SocketAddr = format!("[::]:{}", port).parse().unwrap();
+        let (socket, address) = if use_ipv6 {
-        let socket = socket2::Socket::new(socket2::Domain::IPV6, socket2::Type::DGRAM, None)?;
+            let address: SocketAddr = format!("[::]:{}", port).parse().unwrap();
-        io_convert(socket.set_only_v6(false), |_| {
+            let socket = socket2::Socket::new(socket2::Domain::IPV6, socket2::Type::DGRAM, None)?;
-            format!("set_only_v6 failed: {}", &address)
+            io_convert(socket.set_only_v6(false), |_| {
-        })?;
+                format!("set_only_v6 failed: {}", &address)
+            })?;
+            (socket, address)
+        } else {
+            let address: SocketAddr = format!("0.0.0.0:{}", port).parse().unwrap();
+            (
+                socket2::Socket::new(socket2::Domain::IPV4, socket2::Type::DGRAM, None)?,
+                address,
+            )
+        };
+
         io_convert(socket.set_reuse_address(true), |_| {
             format!("set_reuse_address failed: {}", &address)
         })?;
@@ -184,15 +202,24 @@ pub fn init_context(
         is_tcp,
         packet_loss_rate,
         packet_delay,
+        use_ipv6,
     );
 
     let port = context.main_local_udp_port()?[0];
     //监听v6+v4双栈，tcp通道使用异步io
-    let address: SocketAddr = format!("[::]:{}", port).parse().unwrap();
+    let (socket, address) = if use_ipv6 {
-    let socket = socket2::Socket::new(socket2::Domain::IPV6, socket2::Type::STREAM, None)?;
+        let address: SocketAddr = format!("[::]:{}", port).parse().unwrap();
-    io_convert(socket.set_only_v6(false), |_| {
+        let socket = socket2::Socket::new(socket2::Domain::IPV6, socket2::Type::STREAM, None)?;
-        format!("set_only_v6 failed: {}", &address)
+        io_convert(socket.set_only_v6(false), |_| {
-    })?;
+            format!("set_only_v6 failed: {}", &address)
+        })?;
+        (socket, address)
+    } else {
+        let address: SocketAddr = format!("0.0.0.0:{}", port).parse().unwrap();
+        let socket = socket2::Socket::new(socket2::Domain::IPV4, socket2::Type::STREAM, None)?;
+        (socket, address)
+    };
+
     io_convert(socket.set_reuse_address(true), |_| {
         format!("set_reuse_address failed: {}", &address)
     })?;
@@ -200,7 +227,11 @@ pub fn init_context(
         if ports[0] == 0 {
             //端口可能冲突，则使用任意端口
             log::warn!("监听tcp端口失败 {:?},重试一次", address);
-            let address: SocketAddr = format!("[::]:{}", 0).parse().unwrap();
+            let address: SocketAddr = if use_ipv6 {
+                format!("[::]:{}", 0).parse().unwrap()
+            } else {
+                format!("0.0.0.0:{}", port).parse().unwrap()
+            };
             io_convert(socket.bind(&address.into()), |_| {
                 format!("bind failed: {}", &address)
             })?;

vnt/src/channel/punch.rs

@@ -226,9 +226,9 @@ impl Punch {
     }
     pub fn punch(&mut self, buf: &[u8], id: Ipv4Addr, nat_info: NatInfo) -> io::Result<()> {
         if !self.context.route_table.need_punch(&id) {
+            log::info!("已打洞成功,无需打洞:{:?}", id);
             return Ok(());
         }
-
         if self.is_tcp && nat_info.tcp_port != 0 {
             //向tcp发起连接
             if let Some(ipv6_addr) = nat_info.local_tcp_ipv6addr() {
@@ -301,25 +301,26 @@ impl Punch {
                 }
                 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() {
-                if end >= self.port_vec.len() {
                     end = self.port_vec.len();
+                }
+                let mut index = start
+                    + self.punch_symmetric(
+                        &self.port_vec[start..end],
+                        buf,
+                        &nat_info.public_ips,
+                        max_k2,
+                    )?;
+                if index >= self.port_vec.len() {
                     index = 0
                 }
-                self.punch_symmetric(
-                    &self.port_vec[start..end],
-                    buf,
-                    &nat_info.public_ips,
-                    max_k2,
-                )?;
                 self.port_index.insert(id, index);
             }
             NatType::Cone => {
                 let is_cone = self.context.is_cone();
-                for index in 0..channel_num {
+                'a: for index in 0..nat_info.public_ports.len().min(channel_num) {
-                    let len = nat_info.public_ports.len();
                     for ip in &nat_info.public_ips {
-                        let port = nat_info.public_ports[index % len];
+                        let port = nat_info.public_ports[index];
                         if port == 0 || ip.is_unspecified() {
                             continue;
                         }
@@ -334,7 +335,7 @@ impl Punch {
                     }
                     if !is_cone {
                         //对称网络数据只发一遍
-                        break;
+                        break 'a;
                     }
                 }
             }
@@ -348,19 +349,19 @@ impl Punch {
         buf: &[u8],
         ips: &Vec<Ipv4Addr>,
         max: usize,
-    ) -> io::Result<()> {
+    ) -> io::Result<usize> {
         let mut count = 0;
-        for port in ports {
+        for (index, port) in ports.iter().enumerate() {
             for pub_ip in ips {
                 count += 1;
                 if count == max {
-                    return Ok(());
+                    return Ok(index);
                 }
                 let addr = SocketAddr::V4(SocketAddrV4::new(*pub_ip, *port));
                 self.context.send_main_udp(0, buf, addr)?;
                 thread::sleep(Duration::from_millis(2));
             }
         }
-        Ok(())
+        Ok(ports.len())
     }
 }

vnt/src/channel/tcp_channel.rs

@@ -49,7 +49,7 @@ where
     };
 
     thread::Builder::new()
-        .name("tcp读事件处理线程".into())
+        .name("tcpRead".into())
         .spawn(move || {
             if let Err(e) = tcp_listen0(
                 poll,
@@ -173,7 +173,7 @@ fn init_writable_handler(
     {
         let writable_notify = writable_notify.clone();
         thread::Builder::new()
-            .name("tcp-writeable-listen".into())
+            .name("tcpWriteableListen".into())
             .spawn(move || {
                 if let Err(e) = tcp_writable_listen(receiver, poll, writable_notify, &context) {
                     log::error!("{:?}", e);

vnt/src/channel/udp_channel.rs

@@ -49,7 +49,7 @@ where
     };
     let accept = AcceptSocketSender::new(waker.clone(), udp_sender);
     thread::Builder::new()
-        .name("sub_udp读事件处理线程".into())
+        .name("subUdp".into())
         .spawn(move || {
             if let Err(e) = sub_udp_listen0(poll, recv_handler, context, waker, udp_receiver) {
                 log::error!("{:?}", e);
@@ -153,7 +153,7 @@ where
         }
     })?;
     thread::Builder::new()
-        .name("main_udp".into())
+        .name("mainUdp".into())
         .spawn(move || {
             if let Err(e) = main_udp_listen0(poll, recv_handler, context) {
                 log::error!("{:?}", e);

vnt/src/handle/maintain/addr_request.rs

@@ -19,8 +19,8 @@ pub fn addr_request(
     config: BaseConfigInfo,
 ) {
     addr_request0(&context, &current_device_info, &server_cipher, &config);
-    // 9秒发送一次
+    // 17秒发送一次
-    let rs = scheduler.timeout(Duration::from_secs(9), |s| {
+    let rs = scheduler.timeout(Duration::from_secs(17), |s| {
         addr_request(s, context, current_device_info, server_cipher, config)
     });
     if !rs {

vnt/src/handle/maintain/heartbeat.rs

@@ -12,7 +12,7 @@ use crate::cipher::Cipher;
 use crate::handle::{CurrentDeviceInfo, PeerDeviceInfo};
 use crate::protocol::body::ENCRYPTION_RESERVED;
 use crate::protocol::control_packet::PingPacket;
-use crate::protocol::{control_packet, NetPacket, Protocol, Version, MAX_TTL};
+use crate::protocol::{control_packet, NetPacket, Protocol, Version};
 use crate::util::Scheduler;
 
 /// 定时发送心跳包
@@ -216,7 +216,7 @@ fn heartbeat_packet(
     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);
+    net_packet.first_set_ttl(5);
     net_packet.set_source(src);
     net_packet.set_destination(dest);
     let mut ping = PingPacket::new(net_packet.payload_mut())?;

vnt/src/handle/maintain/idle.rs

@@ -86,7 +86,6 @@ fn idle_gateway0<Call: VntCallback>(
             ErrorType::Disconnect,
             format!("connect:{},error:{:?}", cur.connect_server, e),
         ));
-        log::warn!("{:?}", e);
     }
 }
 fn idle_route0<Call: VntCallback>(

vnt/src/handle/maintain/punch.rs

@@ -11,7 +11,7 @@ use protobuf::Message;
 use rand::prelude::SliceRandom;
 
 use crate::channel::context::Context;
-use crate::channel::punch::{NatInfo, Punch};
+use crate::channel::punch::{NatInfo, NatType, Punch};
 use crate::cipher::Cipher;
 use crate::handle::{CurrentDeviceInfo, PeerDeviceInfo};
 use crate::nat::NatTest;
@@ -24,31 +24,59 @@ use crate::util::Scheduler;
 pub struct PunchSender {
     sender_self: SyncSender<(Ipv4Addr, NatInfo)>,
     sender_peer: SyncSender<(Ipv4Addr, NatInfo)>,
+    sender_cone_self: SyncSender<(Ipv4Addr, NatInfo)>,
+    sender_cone_peer: SyncSender<(Ipv4Addr, NatInfo)>,
 }
 impl PunchSender {
     pub fn send(&self, src_peer: bool, ip: Ipv4Addr, info: NatInfo) -> bool {
-        if src_peer {
+        log::info!(
-            self.sender_peer.send((ip, info)).is_ok()
+            "发送打洞协商消息,是否对端发起:{},ip:{},info:{:?}",
-        } else {
+            src_peer,
-            self.sender_self.send((ip, info)).is_ok()
+            ip,
-        }
+            info
+        );
+        let sender = match info.nat_type {
+            NatType::Symmetric => {
+                if src_peer {
+                    &self.sender_peer
+                } else {
+                    &self.sender_self
+                }
+            }
+            NatType::Cone => {
+                if src_peer {
+                    &self.sender_cone_peer
+                } else {
+                    &self.sender_cone_self
+                }
+            }
+        };
+        sender.try_send((ip, info)).is_ok()
     }
 }
 pub struct PunchReceiver {
     receiver_peer: Receiver<(Ipv4Addr, NatInfo)>,
     receiver_self: Receiver<(Ipv4Addr, NatInfo)>,
+    receiver_cone_peer: Receiver<(Ipv4Addr, NatInfo)>,
+    receiver_cone_self: Receiver<(Ipv4Addr, NatInfo)>,
 }
 pub fn punch_channel() -> (PunchSender, PunchReceiver) {
     let (sender_self, receiver_self) = sync_channel(1);
     let (sender_peer, receiver_peer) = sync_channel(1);
+    let (sender_cone_peer, receiver_cone_peer) = sync_channel(1);
+    let (sender_cone_self, receiver_cone_self) = sync_channel(1);
     (
         PunchSender {
             sender_self,
             sender_peer,
+            sender_cone_peer,
+            sender_cone_self,
         },
         PunchReceiver {
             receiver_peer,
             receiver_self,
+            receiver_cone_peer,
+            receiver_cone_self,
         },
     )
 }
@@ -72,19 +100,21 @@ pub fn punch(
         client_cipher.clone(),
         0,
     );
-    let receiver_peer = receiver.receiver_peer;
+    let f = |receiver: Receiver<(Ipv4Addr, NatInfo)>| {
-    let receiver_self = receiver.receiver_self;
-    {
         let punch = punch.clone();
         let current_device = current_device.clone();
         let client_cipher = client_cipher.clone();
-        thread::spawn(move || {
+        thread::Builder::new()
-            punch_start(receiver_peer, punch, current_device, client_cipher);
+            .name("punch".into())
-        });
+            .spawn(move || {
-    }
+                punch_start(receiver, punch, current_device, client_cipher);
-    thread::spawn(move || {
+            })
-        punch_start(receiver_self, punch, current_device, client_cipher);
+            .expect("punch");
-    });
+    };
+    f(receiver.receiver_peer);
+    f(receiver.receiver_self);
+    f(receiver.receiver_cone_peer);
+    f(receiver.receiver_cone_self);
 }
 
 /// 接收打洞消息，配合对端打洞
@@ -198,6 +228,11 @@ fn punch0(
             &nat_info,
             info.virtual_ip,
         )?;
+        log::info!(
+            "发起打洞协商请求，目标:{:?},{:?}",
+            info.virtual_ip,
+            nat_info
+        );
         context.send_default(packet.buffer(), current_device.connect_server)?;
     }
     Ok(())

vnt/src/handle/maintain/re_nat_type.rs

@@ -25,21 +25,24 @@ fn retrieve_nat_type0(
     nat_test: NatTest,
     udp_socket_sender: AcceptSocketSender<Option<Vec<mio::net::UdpSocket>>>,
 ) {
-    thread::spawn(move || {
+    thread::Builder::new()
-        if nat_test.can_update() {
+        .name("natTest".into())
-            let local_ipv4 = nat::local_ipv4();
+        .spawn(move || {
-            let local_ipv6 = nat::local_ipv6();
+            if nat_test.can_update() {
-            match nat_test.re_test(local_ipv4, local_ipv6) {
+                let local_ipv4 = nat::local_ipv4();
-                Ok(nat_info) => {
+                let local_ipv6 = nat::local_ipv6();
-                    log::info!("当前nat信息:{:?}", nat_info);
+                match nat_test.re_test(local_ipv4, local_ipv6) {
-                    if let Err(e) = context.switch(nat_info.nat_type, &udp_socket_sender) {
+                    Ok(nat_info) => {
-                        log::warn!("{:?}", e);
+                        log::info!("当前nat信息:{:?}", nat_info);
+                        if let Err(e) = context.switch(nat_info.nat_type, &udp_socket_sender) {
+                            log::warn!("{:?}", e);
+                        }
                     }
-                }
+                    Err(e) => {
-                Err(e) => {
+                        log::warn!("nat re_test {:?}", e);
-                    log::warn!("nat re_test {:?}", e);
+                    }
-                }
+                };
-            };
+            }
-        }
+        })
-    });
+        .expect("natTest");
 }

vnt/src/handle/recv_data/client.rs

@@ -176,8 +176,8 @@ impl ClientPacketHandler {
                 net_packet.first_set_ttl(MAX_TTL);
                 self.client_cipher.encrypt_ipv4(&mut net_packet)?;
                 context.send_by_key(net_packet.buffer(), route_key)?;
-                // let route = Route::from_default_rt(route_key, metric);
+                let route = Route::from_default_rt(route_key, metric);
-                // context.route_table.add_route_if_absent(source, route);
+                context.route_table.add_route_if_absent(source, route);
             }
             ControlPacket::PongPacket(pong_packet) => {
                 let current_time = crate::handle::now_time() as u16;
@@ -320,13 +320,11 @@ impl ClientPacketHandler {
                     punch_packet.set_source(current_device.virtual_ip());
                     punch_packet.set_destination(source);
                     punch_packet.set_payload(&bytes)?;
-                    log::info!("接收打洞请求={:?}", peer_nat_info);
+                    self.client_cipher.encrypt_ipv4(&mut punch_packet)?;
                     if self.punch_sender.send(true, source, peer_nat_info) {
-                        self.client_cipher.encrypt_ipv4(&mut punch_packet)?;
                         context.send_by_key(punch_packet.buffer(), route_key)?;
                     }
                 } else {
-                    log::info!("接收打洞请求回复={:?}", peer_nat_info);
                     self.punch_sender.send(false, source, peer_nat_info);
                 }
             }

vnt/src/handle/recv_data/server.rs

@@ -268,6 +268,7 @@ impl<Call: VntCallback> ServerPacketHandler<Call> {
                             log::info!("ip发生变化,old:{:?},response={:?}", old, response);
                         }
                         if let Err(e) = self.device.set_ip(virtual_ip, virtual_netmask) {
+                            log::error!("LocalIpExists {:?}", e);
                             self.callback.error(ErrorInfo::new_msg(
                                 ErrorType::LocalIpExists,
                                 format!("set_ip {:?}", e),
@@ -421,12 +422,10 @@ impl<Call: VntCallback> ServerPacketHandler<Call> {
                 self.callback.error(err);
             }
             InErrorPacket::IpAlreadyExists => {
-                log::error!("IpAlreadyExists");
                 let err = ErrorInfo::new(ErrorType::IpAlreadyExists);
                 self.callback.error(err);
             }
             InErrorPacket::InvalidIp => {
-                log::error!("InvalidIp");
                 let err = ErrorInfo::new(ErrorType::InvalidIp);
                 self.callback.error(err);
             }

vnt/src/handle/recv_data/turn.rs

@@ -18,7 +18,7 @@ impl PacketHandler for TurnPacketHandler {
     fn handle(
         &self,
         mut net_packet: NetPacket<&mut [u8]>,
-        _route_key: RouteKey,
+        route_key: RouteKey,
         context: &Context,
         _current_device: &CurrentDeviceInfo,
     ) -> std::io::Result<()> {
@@ -27,6 +27,16 @@ impl PacketHandler for TurnPacketHandler {
         if ttl > 0 {
             let destination = net_packet.destination();
             if let Some(route) = context.route_table.route_one(&destination) {
+                if route.addr == route_key.addr {
+                    //防止环路
+                    log::warn!(
+                        "来源和目标相同 {:?},{},{}",
+                        route_key,
+                        net_packet.source(),
+                        net_packet.destination()
+                    );
+                    return Ok(());
+                }
                 if route.metric <= ttl {
                     context.send_by_key(net_packet.buffer(), route.route_key())?;
                 }

vnt/src/handle/tun_tap/mod.rs

@@ -97,7 +97,7 @@ pub fn base_handle(
     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.first_set_ttl(6);
     net_packet.set_source(src_ip);
     net_packet.set_destination(dest_ip);
     if dest_ip == current_device.virtual_gateway {

vnt/src/handle/tun_tap/tun_handler.rs

@@ -111,7 +111,7 @@ pub fn start(
             let client_cipher = client_cipher.clone();
             let server_cipher = server_cipher.clone();
             thread::Builder::new()
-                .name(format!("tun_handler_{}", index))
+                .name(format!("tunHandler-{}", index))
                 .spawn(move || {
                     while let Ok((mut buf, len)) = receiver.recv() {
                         #[cfg(not(target_os = "macos"))]
@@ -139,7 +139,7 @@ pub fn start(
                 })?;
         }
         thread::Builder::new()
-            .name("tun_handler".into())
+            .name("tunHandlerM".into())
             .spawn(move || {
                 if let Err(e) = start_multi(stop_manager, device, sender, &mut up_counter) {
                     log::warn!("stop:{}", e);
@@ -148,7 +148,7 @@ pub fn start(
             })?;
     } else {
         thread::Builder::new()
-            .name("tun_handler".into())
+            .name("tunHandlerS".into())
             .spawn(move || {
                 if let Err(e) = start_simple(
                     stop_manager,

vnt/src/ip_proxy/icmp_proxy.rs

@@ -47,18 +47,21 @@ impl IcmpProxy {
             Arc::new(Mutex::new(HashMap::with_capacity(16)));
         {
             let nat_map = nat_map.clone();
-            thread::spawn(move || {
+            thread::Builder::new()
-                if let Err(e) = icmp_proxy(
+                .name("icmpProxy".into())
-                    mio_icmp_socket,
+                .spawn(move || {
-                    nat_map,
+                    if let Err(e) = icmp_proxy(
-                    context,
+                        mio_icmp_socket,
-                    stop_manager,
+                        nat_map,
-                    current_device,
+                        context,
-                    client_cipher,
+                        stop_manager,
-                ) {
+                        current_device,
-                    log::warn!("icmp_proxy:{:?}", e);
+                        client_cipher,
-                }
+                    ) {
-            });
+                        log::warn!("icmp_proxy:{:?}", e);
+                    }
+                })
+                .expect("icmpProxy");
         }
         Ok(Self {
             icmp_socket: Arc::new(std_socket),

vnt/src/ip_proxy/tcp_proxy.rs

@@ -38,11 +38,14 @@ impl TcpProxy {
         let port = tcp_listener.local_addr()?.port();
         {
             let nat_map = nat_map.clone();
-            thread::spawn(move || {
+            thread::Builder::new()
-                if let Err(e) = tcp_proxy(tcp_listener, nat_map, stop_manager) {
+                .name("tcpProxy".into())
-                    log::warn!("tcp_proxy:{:?}", e);
+                .spawn(move || {
-                }
+                    if let Err(e) = tcp_proxy(tcp_listener, nat_map, stop_manager) {
-            });
+                        log::warn!("tcp_proxy:{:?}", e);
+                    }
+                })
+                .expect("tcpProxy");
         }
         Ok(Self { port, nat_map })
     }

vnt/src/ip_proxy/udp_proxy.rs

@@ -40,11 +40,14 @@ impl UdpProxy {
         let port = udp.local_addr()?.port();
         {
             let nat_map = nat_map.clone();
-            thread::spawn(move || {
+            thread::Builder::new()
-                if let Err(e) = udp_proxy(udp, nat_map, scheduler, stop_manager) {
+                .name("udpProxy".into())
-                    log::warn!("udp_proxy:{:?}", e);
+                .spawn(move || {
-                }
+                    if let Err(e) = udp_proxy(udp, nat_map, scheduler, stop_manager) {
-            });
+                        log::warn!("udp_proxy:{:?}", e);
+                    }
+                })
+                .expect("udpProxy");
         }
         Ok(Self { port, nat_map })
     }

vnt/src/util/scheduler.rs

@@ -52,7 +52,7 @@ impl Scheduler {
                 run(receiver, s_inner);
                 worker.stop_all();
             })
-            .unwrap();
+            .expect("Scheduler");
         Ok(s)
     }
     pub fn timeout<F>(&self, time: Duration, f: F) -> bool

vnt/tun/src/windows/tap/mod.rs

@@ -96,7 +96,9 @@ impl Device {
             .map_err(|e| io::Error::new(e.kind(), format!("TAP_WIN_IOCTL_GET_MAC,err={:?}", e)))?;
         let index = ffi::luid_to_index(&luid).map(|index| index as u32)?;
         // 设置网卡跃点
-        netsh::set_interface_metric(index, 0)?;
+        if let Err(e) = netsh::set_interface_metric(index, 0) {
+            log::warn!("{:?}",e);
+        }
         let device = Self {
             handle,
             index,

vnt/tun/src/windows/tun/mod.rs

@@ -117,7 +117,9 @@ impl Device {
             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)?;
             // 设置网卡跃点
-            netsh::set_interface_metric(index, 0)?;
+            if let Err(e) = netsh::set_interface_metric(index, 0) {
+                log::warn!("{:?}",e);
+            }
             Ok(Self {
                 luid: std::mem::transmute(luid),
                 index,