支持自定义ip、服务端tcp通道、可选择禁止p2p

vnt-cli/src/command/server.rs

@@ -0,0 +1,102 @@
+use std::io;
+use std::net::{Ipv4Addr, SocketAddr, SocketAddrV4};
+use tokio::net::UdpSocket;
+
+use vnt::core::Vnt;
+
+
+pub struct CommandServer {}
+
+impl CommandServer {
+    pub fn new() -> Self {
+        Self {}
+    }
+}
+
+impl CommandServer {
+    pub async fn start(self, vnt: Vnt) -> io::Result<()> {
+        let mut port = 21637 as u16;
+        let udp = loop {
+            match UdpSocket::bind(SocketAddr::V4(SocketAddrV4::new(
+                Ipv4Addr::new(127, 0, 0, 1),
+                port,
+            ))).await {
+                Ok(udp) => {
+                    break udp;
+                }
+                Err(e) => {
+                    if e.kind() == io::ErrorKind::AddrInUse {
+                        port += 1;
+                    } else {
+                        log::error!("创建udp失败 {:?}", e);
+                        return Err(e);
+                    }
+                }
+            }
+        };
+        let path_buf = crate::app_home()?.join("command-port");
+        std::fs::write(path_buf, udp.local_addr()?.port().to_string())?;
+        let mut buf = [0u8; 64];
+        loop {
+            let (len, addr) = udp.recv_from(&mut buf).await?;
+            match std::str::from_utf8(&buf[..len]) {
+                Ok(cmd) => {
+                    if let Ok(out) = command(cmd, &vnt) {
+                        let _ = udp.send_to(out.as_bytes(), addr).await;
+                        if "stopped" == &out {
+                            break;
+                        }
+                    }
+                }
+                Err(e) => {
+                    log::warn!("{:?}", e);
+                }
+            }
+        }
+        Ok(())
+    }
+}
+
+
+fn command(cmd: &str, vnt: &Vnt) -> io::Result<String> {
+    let out_str = match cmd {
+        "route" => {
+            match serde_json::to_string(&crate::command::command_route(vnt)) {
+                Ok(str) => {
+                    str
+                }
+                Err(e) => {
+                    format!("{:?}", e)
+                }
+            }
+        }
+        "list" => {
+            match serde_json::to_string(&crate::command::command_list(vnt)) {
+                Ok(str) => {
+                    str
+                }
+                Err(e) => {
+                    format!("{:?}", e)
+                }
+            }
+        }
+        "info" => {
+            match serde_json::to_string(&crate::command::command_info(vnt)) {
+                Ok(str) => {
+                    str
+                }
+                Err(e) => {
+                    format!("{:?}", e)
+                }
+            }
+        }
+        "stop" => {
+            vnt.stop()?;
+            "stopped".to_string()
+        }
+        _ => {
+            format!("command '{}' not found. \n Try to enter: 'help'\n", cmd)
+        }
+    };
+    Ok(out_str)
+}