server: remember target info

lib/vock/server.js

@@ -10,6 +10,7 @@ function Server() {
   EventEmitter.call(this);
 
   this.target = null;
+  this.rtarget = null;
   this.protocol = vock.protocol.create();
 
   // Create audio unit
@@ -26,10 +27,20 @@ server.create = function create() {
 };
 
 Server.prototype.init = function init() {
-  var self = this;
+  var self = this,
+      lastRinfo;
 
   // Pass packets from other side to protocol parser
-  this.socket.on('message', function(raw) {
+  this.socket.on('message', function(raw, rinfo) {
+    if (!self.target) return;
+    if (self.rtarget &&
+        (self.rtarget.address !== rinfo.address ||
+         self.rtarget.port !== rinfo.port)) {
+      // Connection came from different address
+      return;
+    }
+    lastRinfo = rinfo;
+
     try {
       var packet = msgpack.decode(raw);
       self.protocol.receive(packet);
@@ -51,6 +62,7 @@ Server.prototype.init = function init() {
   });
 
   this.protocol.on('connect', function() {
+    self.rtarget = lastRinfo;
     self.audio.start();
   });