add domain socket

Cargo.toml

@@ -7,6 +7,5 @@ edition = "2021"
 tokio = { version = "1.45.1", features = ["full"] }
 tokio-modbus = "0.16.1"
 tokio-serial = "5.4.1"
-bytes = "1.0"
 futures = "0.3.31"
 tokio-util = "0.7.15"

src/main.rs

@@ -1,9 +1,10 @@
 use tokio::net::{UnixListener, UnixStream};
-use tokio_util::codec::{Framed, LinesCodec};
+//use tokio_util::codec::{Framed, LinesCodec};
 use futures::SinkExt;
 use tokio::io::AsyncReadExt;
+//use tokio::io::AsyncReadExt;
 
-const SOCKET_PATH: &str = "/tmp/rust_domain_socket.sock";
+const SOCKET_PATH: &str = "/tmp/modbus.sock";
 #[tokio::main]
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
     // 绑定Unix Domain Socket
@@ -26,21 +27,15 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
 }
 
 async fn handle_client(mut stream: UnixStream) -> Result<(), Box<dyn std::error::Error>> {
+    let len = stream.read_u16().await.unwrap();
+    let mut buf = vec![0u8; len as usize];
 
-    // 使用行编解码器
-    let mut framed = Framed::new(stream, LinesCodec::new());
+    match stream.read_exact(&mut buf).await {
+        Ok(_) => {
 
-    // 发送欢迎消息
-    framed.send("Welcome to Rust Domain Socket Server").await?;
-
-    // 处理客户端消息
-    while let Some(message) = framed.next().await {
-        match message {
-            Ok(msg) => {
-                println!("Received: {}", msg);
-                framed.send(format!("Echo: {}", msg)).await?;
-            }
-            Err(e) => return Err(e.into()),
+        },
+        Err(err) => {
+            println!("read data get error: {}", err)
         }
     }