package main

import (
    "fmt"
    "io"
    "net"
)

func main() {
    listener, serverStartError := net.Listen("tcp", "127.0.0.1:1234")
    if serverStartError != nil {
        fmt.Println("Error starting the server: " + serverStartError.Error())
    }

    defer listener.Close()

    for {
        conn, listenerAcceptError := listener.Accept()
        if listenerAcceptError != nil {
            fmt.Println("Error accepting listener connection: " +
                listenerAcceptError.Error())
        }
        fmt.Println("New connection: " + conn.RemoteAddr().String())

        go handleConnection(conn)
    }

    fmt.Scanln()
}

func handleConnection(conn net.Conn) {
    tmp := make([]byte, 1024)
    buf := make([]byte, 0, 2)

    for {
        n, err := conn.Read(tmp)
        fmt.Println(n)
        if err != nil {
            fmt.Println("ERROR", err.Error())

            if err != io.EOF {
                fmt.Println("EOF ERROR")
            }

            break
        }
        fmt.Println("APPENDING")
        buf = append(buf, tmp[:n]...)
    }

    fmt.Println(buf)
}