fixup client

Signed-off-by: Vasiliy Tolstov <v.tolstov@selfip.ru>

example/client/main.go

@@ -4,13 +4,15 @@ import (
 	"context"
 	"log"
 	"net"
+	"os"
+	"time"
 
 	vnc "github.com/vtolstov/go-vnc"
 )
 
 func main() {
 	// Establish TCP connection to VNC server.
-	nc, err := net.Dial("tcp", "192.168.100.41:5900")
+	nc, err := net.DialTimeout("tcp", os.Args[1], 5*time.Second)
 	if err != nil {
 		log.Fatalf("Error connecting to VNC host. %v", err)
 	}
@@ -18,18 +20,16 @@ func main() {
 	// Negotiate connection with the server.
 	cchServer := make(chan vnc.ServerMessage)
 	cchClient := make(chan vnc.ClientMessage)
+	errorCh := make(chan error)
 
 	ccfg := &vnc.ClientConfig{
-		VersionHandler:    vnc.ClientVersionHandler,
-		SecurityHandler:   vnc.ClientSecurityHandler,
-		SecurityHandlers:  []vnc.SecurityHandler{&vnc.ClientAuthATEN{Username: []byte("ADMIN"), Password: []byte("ADMIN")}},
-		ClientInitHandler: vnc.ClientClientInitHandler,
-		ServerInitHandler: vnc.ClientServerInitHandler,
-		PixelFormat:       vnc.PixelFormat32bit,
-		ClientMessageCh:   cchClient,
-		ServerMessageCh:   cchServer,
-		ServerMessages:    vnc.DefaultServerMessages,
-		Encodings:         []vnc.Encoding{&vnc.RawEncoding{}},
+		SecurityHandlers: []vnc.SecurityHandler{&vnc.ClientAuthATEN{Username: []byte(os.Args[2]), Password: []byte(os.Args[3])}},
+		PixelFormat:      vnc.PixelFormat32bit,
+		ClientMessageCh:  cchClient,
+		ServerMessageCh:  cchServer,
+		ServerMessages:   vnc.DefaultServerMessages,
+		Encodings:        []vnc.Encoding{&vnc.RawEncoding{}},
+		ErrorCh:          errorCh,
 	}
 
 	cc, err := vnc.Connect(context.Background(), nc, ccfg)
@@ -37,17 +37,16 @@ func main() {
 	if err != nil {
 		log.Fatalf("Error negotiating connection to VNC host. %v", err)
 	}
-
-	// Listen and handle server messages.
-	go cc.Handle()
-
 	// Process messages coming in on the ServerMessage channel.
 	for {
 		select {
+		case err := <-errorCh:
+			panic(err)
 		case msg := <-cchClient:
 			log.Printf("Received message type:%v msg:%v\n", msg.Type(), msg)
 		case msg := <-cchServer:
 			log.Printf("Received message type:%v msg:%v\n", msg.Type(), msg)
 		}
 	}
+	cc.Wait()
 }