67 lines
1.4 KiB
Go
67 lines
1.4 KiB
Go
package main
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import (
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"fmt"
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"io"
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"log"
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"net"
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"time"
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)
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func handleConnection(conn net.Conn) {
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defer conn.Close()
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// 客户端地址信息
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remoteAddr := conn.RemoteAddr().String()
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fmt.Printf("客户端 %s 已连接\n", remoteAddr)
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// 设置连接超时
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conn.SetReadDeadline(time.Now().Add(time.Hour * 24)) // 24小时超时，可以根据需要调整
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buffer := make([]byte, 1024)
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for {
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// 读取客户端发送的数据
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n, err := conn.Read(buffer)
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if err != nil {
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if err == io.EOF {
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fmt.Printf("客户端 %s 已断开连接\n", remoteAddr)
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} else {
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fmt.Printf("从客户端 %s 读取数据时出错: %v\n", remoteAddr, err)
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}
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break
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}
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// 在终端显示接收到的数据
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receivedData := buffer[:n]
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fmt.Printf("从 %s 接收到数据: %s\n", remoteAddr, string(receivedData))
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// 可选：回复客户端确认消息
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// conn.Write([]byte("服务器已收到消息"))
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}
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}
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func main() {
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// 监听端口
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port := ":10002"
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listener, err := net.Listen("tcp", port)
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if err != nil {
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log.Fatalf("无法监听端口 %s: %v", port, err)
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}
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defer listener.Close()
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fmt.Printf("TCP服务器已启动，正在监听端口 %s\n", port)
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// 接受连接并处理
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for {
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conn, err := listener.Accept()
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if err != nil {
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fmt.Printf("接受连接失败: %v\n", err)
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continue
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}
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// 为每个连接创建一个goroutine
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go handleConnection(conn)
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}
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}
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