Test unix domain sockets in Go.

unixtest.go

package main

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

const Path = "/tmp/unixtest"

func Listen(l net.Listener) {
	conn, err := l.Accept()
	if err != nil {
		log.Fatal(err)
	}
	log.Printf("Connected; local=%s, remote=%s", conn.LocalAddr(), conn.RemoteAddr())
	fmt.Fprintln(conn, "Hello World!")
	conn.Close()
}

func main() {
	log.Printf("Dialing %s", Path)
	l, err := net.Listen("unix", Path)
	if err != nil {
		log.Fatal(err)
	}
	log.Printf("Listening; addr=%s", l.(*net.UnixListener).Addr())
	go Listen(l)
	time.Sleep(time.Second)
	cc, err := net.Dial("unix", Path)
	if err != nil {
		log.Fatal(err)
	}
	log.Printf("Client connected; local=%s, remote=%s", cc.LocalAddr(), cc.RemoteAddr())
	io.Copy(os.Stdout, cc)
	cc.Close()
	l.Close()
}