client-interface-cleanup (#6)

Refactoring and code cleanup. Improved client command interface.

peer/remote.go

@@ -106,6 +106,25 @@ func (r *Remote) encryptControl(conf remoteConfig, packet []byte) []byte {
 	return conf.ControlCipher.Encrypt(h, packet, packet[len(packet):cap(packet)])
 }
 
+func (r *Remote) Status() (RemoteStatus, bool) {
+	conf := r.conf()
+	if conf.Peer == nil {
+		return RemoteStatus{}, false
+	}
+
+	return RemoteStatus{
+		PeerIP:     conf.Peer.PeerIP,
+		Up:         conf.Up,
+		Name:       conf.Peer.Name,
+		PublicIP:   conf.Peer.PublicIP,
+		Port:       conf.Peer.Port,
+		Relay:      conf.Peer.Relay,
+		Server:     conf.Server,
+		Direct:     conf.Direct,
+		DirectAddr: conf.DirectAddr,
+	}, true
+}
+
 // ----------------------------------------------------------------------------
 
 // SendDataTo sends a data packet to the remote, called by the IFReader.