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tcp_client/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "tcp_client"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+tokio = { version = "1.28", features = ["full"] }
+tokio-postgres = "0.7"

tcp_client/src/db.rs

@@ -0,0 +1,52 @@
+use tokio_postgres::{NoTls, Error};
+
+pub struct DbConfig {
+    host: String,
+    port: u16,
+    dbname: String,
+    user: String,
+    password: String,
+}
+
+impl DbConfig {
+    pub fn new() -> Self {
+        Self {
+            host: String::from("10.180.4.100"),
+            port: 5432,
+            dbname: String::from("Auseft_RL_Web"),
+            user: String::from("postgres"),
+            password: String::from("Auseft@2025qwer"),
+        }
+    }
+
+    pub fn connection_string(&self) -> String {
+        format!(
+            "host={} port={} dbname={} user={} password={}",
+            self.host, self.port, self.dbname, self.user, self.password
+        )
+    }
+}
+
+pub async fn connect_db() -> Result<tokio_postgres::Client, Error> {
+    let config = DbConfig::new();
+    let connection_string = config.connection_string();
+    
+    let (client, connection) = tokio_postgres::connect(&connection_string, NoTls).await?;
+    
+    // The connection object performs the actual communication with the database,
+    // so spawn it off to run on its own
+    tokio::spawn(async move {
+        if let Err(e) = connection.await {
+            eprintln!("Connection error: {}", e);
+        }
+    });
+
+    Ok(client)
+}
+
+// Example function to test the connection
+pub async fn test_connection() -> Result<bool, Error> {
+    let client = connect_db().await?;
+    let rows = client.query("SELECT 1", &[]).await?;
+    Ok(!rows.is_empty())
+}

tcp_client/src/main.rs

@@ -0,0 +1,64 @@
+mod db;
+
+use std::net::TcpStream;
+use std::io::{Read, Write};
+use std::thread;
+use std::time::Duration;
+
+#[tokio::main]
+async fn main() {
+    let max_retries = 3;
+    let mut retry_count = 0;
+
+    while retry_count < max_retries {
+        println!("尝试连接服务器 (第{}次)...", retry_count + 1);
+        
+        match TcpStream::connect("10.180.4.88:9090") {
+            Ok(mut stream) => {
+                println!("成功连接到服务器！");
+                
+                // 设置读写超时
+                stream.set_read_timeout(Some(Duration::from_secs(5))).unwrap();
+                stream.set_write_timeout(Some(Duration::from_secs(5))).unwrap();
+
+                // 发送数据
+                let msg = "HelloOK";
+                match stream.write(msg.as_bytes()) {
+                    Ok(_) => println!("成功发送消息: {}", msg),
+                    Err(e) => println!("发送消息失败: {}", e),
+                }
+
+                // 接收数据
+                let mut buffer = [0; 1];
+                match stream.read(&mut buffer) {
+                    Ok(n) => {
+                        if n == 1 {
+                            let bit = buffer[0];
+                            if bit == 0 || bit == 1 {
+                                println!("接收到比特值: {}", bit);
+                            } else {
+                                println!("接收到非预期的值: {} (十六进制: {:02X})", bit, bit);
+                            }
+                        } else {
+                            println!("未接收到数据");
+                        }
+                    }
+                    Err(e) => println!("接收数据失败: {}", e),
+                }
+                break;  // 如果成功连接并通信，跳出重试循环
+            }
+            Err(e) => {
+                println!("连接服务器失败: {}", e);
+                retry_count += 1;
+                if retry_count < max_retries {
+                    println!("等待3秒后重试...");
+                    thread::sleep(Duration::from_secs(3));
+                }
+            }
+        }
+    }
+
+    if retry_count >= max_retries {
+        println!("达到最大重试次数，程序退出");
+    }
+}

tcp_server/src/main.rs

@@ -1,6 +1,15 @@
 use tokio::net::TcpListener;
 use tokio::io::{AsyncReadExt, AsyncWriteExt};
 
+fn check_ok_message(message: &[u8]) -> u8 {
+    let message_str = String::from_utf8_lossy(message);
+    if message_str.contains("OK") {
+        1
+    } else {
+        0
+    }
+}
+
 #[tokio::main]
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
     let listener = TcpListener::bind("127.0.0.1:9090").await?;
@@ -20,8 +29,10 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
                         return;
                     }
                     Ok(n) => {
-                        // Echo the data back to the client
-                        if let Err(e) = socket.write_all(&buf[..n]).await {
+                        // Check message and send single bit response
+                        let response = check_ok_message(&buf[..n]);
+                        println!("接收到消息: {},响应: {}", String::from_utf8_lossy(&buf[..n]), response);
+                        if let Err(e) = socket.write_all(&[response]).await {
                             println!("Failed to write to socket: {}", e);
                             return;
                         }