package systemcall

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

func Serve() {
    b := make([]byte, 512, 512)
    p := uint64(0)

    listener, err := net.Listen("tcp", "127.0.0.1:10000")

    for {
        if err == nil {
            conn, err := listener.Accept()
            if err == nil {
                t0 := time.Now()
                fmt.Println("new connection from", conn.RemoteAddr())
                for {
                    n, err := conn.Write(b)
                    p += uint64(n)
                    if err != nil {
                        break
                    }
                }
                conn.Close()

                fmt.Println("sent", p, "in sec", time.Since(t0))
            }
        }
    }
}

func Connect() (net.Conn, error) {
    return net.DialTimeout("tcp", "127.0.0.1:10000", 10*time.Second)
}

func Client(conn net.Conn, b []byte) {
    conn.Read(b)
}