Ejemplo n.º 1
0
// XServerProxy creates a TCP proxy on port 6000 to a the Unix
// socket that XQuartz is listening on.
//
// NOTE: this function does not start/install the XQuartz service
func XServerProxy(port int) {
	if runtime.GOOS != "darwin" {
		log.Debug("Not running an OSX environment, skip run X Server Proxy")
		return
	}

	l, err := net.Listen("tcp", fmt.Sprintf(":%d", port))
	if err != nil {
		log.Fatal(err)
	}
	defer l.Close()

	// Send all traffic back to unix $DISPLAY socket on a running XQuartz server
	addr, err := net.ResolveUnixAddr("unix", os.Getenv("DISPLAY"))
	if err != nil {
		log.Error("Error: ", err.Error())
	}
	log.Info("X Service Proxy available on all network interfaces on port %d", port)
	if host, err := utils.DockerVMHost(); err == nil {
		log.Info("Parity has detected your Docker environment and recommends running 'export DISPLAY=%s:0' in your container to forward the X display", host)
	}

	for {
		xServerClient, err := net.DialUnix("unix", nil, addr)
		if err != nil {
			log.Error("Error: ", err.Error())
		}
		defer xServerClient.Close()

		conn, err := l.Accept()
		log.Debug("X Service Proxy connected to client on: %s (remote: %s)", conn.LocalAddr(), conn.RemoteAddr())
		if err != nil {
			log.Fatal(err)
		}
		go func(c net.Conn, s *net.UnixConn) {
			buf := make([]byte, 8092)
			io.CopyBuffer(s, c, buf)
			s.CloseWrite()
		}(conn, xServerClient)

		go func(c net.Conn, s *net.UnixConn) {
			buf := make([]byte, 8092)
			io.CopyBuffer(c, s, buf)
			c.Close()
		}(conn, xServerClient)
	}
}
Ejemplo n.º 2
0
func injectDisplayEnvironmentVariables(p *project.Project) {
	if host, err := utils.DockerVMHost(); err == nil {
		injectEnvironmentVariable([]string{fmt.Sprintf("DISPLAY=%s:0", host)}, p)
	}
}