server.go

// https://gist.github.com/hongster/04660a20f2498fb7b680
// https://github.com/arpitbbhayani/tcpserver/blob/master/main.go

package main

import (
    "fmt"
    "log"
    "net"
    "time"
)

func server(port string) error {
    l, err := net.Listen("tcp", port)
    if err != nil {
        log.Fatalln(err)    }

    for {
        conn, err := l.Accept()
        if err != nil {
            log.Fatalln(err)
        }
        go func(conn net.Conn) {
            err := conn.SetDeadline(time.Now().Add(10 * time.Second))
            if err != nil {
                log.Fatalln(err)
            }
            buf := make([]byte, 1024)
            conn.Read(buf)
            fmt.Println(string(buf))
            conn.Write([]byte("HTTP/1.1 200 OK\r\n\r\nHello, World!\r\n"))
            conn.Close()
        }(conn)
    }
}

func main() {
    for i := 8000; i <= 8000; i++ {
        server(fmt.Sprintf(":%v", i))
    }
}