// This is a trivial TCP server leaking sockets.

package main

import (
    "fmt"
    "net"
    "time"
    //"io"
)

func handle(conn net.Conn, i int) {
    defer conn.Close()
    //io.Copy(conn, conn)
    for {
        fmt.Printf("[%d]",i)
        time.Sleep(time.Second)
    }
}

func main() {
    IP := ""
    Port := 5000
    listener, err := net.Listen("tcp4", fmt.Sprintf("%s:%d", IP, Port))
    if err != nil {
        panic(err)
    }

    i := 0

    for {
        fmt.Println("\nstart accepting")
        if conn, err := listener.Accept(); err == nil {
            fmt.Printf("\naccepted %d\n", i)
            i += 1
            if i < 800 {
                go handle(conn, i)
            } else {
                conn.Close()
            }
        } else {
            panic(err)
        }
    }
}