feat: implement ready chanel to wait for established connection

internal/config/config.go

@@ -14,6 +14,11 @@ const (
 	serviceName    = "workctl"
 	keySSHPassword = "ssh-password"
 	keyRDPPassword = "rdp-password"
+
+	PortLocalSSH  = "2048"
+	PortLocalRDP  = "6000"
+	PortRemoteSSH = "22"
+	PortRemoteRDP = "3389"
 )
 
 type Config struct {

internal/ssh/forwarder.go

@@ -28,7 +28,7 @@ func NewForwarder(client *ssh.Client, localPort, remotePort, remoteHost string)
 	}
 }
 
-func (f *Forwarder) Start(ctx context.Context) error {
+func (f *Forwarder) Start(ctx context.Context, ready chan<- struct{}) error {
 	localAddr := "127.0.0.1:" + f.localPort
 	remoteAddr := net.JoinHostPort(f.remoteHost, f.remotePort)
 
@@ -37,6 +37,10 @@ func (f *Forwarder) Start(ctx context.Context) error {
 		return fmt.Errorf("failed to listen on %s: %w", localAddr, err)
 	}
 
+	if ready != nil {
+		close(ready)
+	}
+
 	go func() {
 		<-ctx.Done()
 		listener.Close()