Multicast socket API

chrome/test/data/extensions/api_test/socket/api/background.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // net/tools/testserver/testserver.py is picky about the format of what it
 // calls its "echo" messages. One might go so far as to mutter to oneself that
 // it isn't an echo server at all.
 //
 // The response is based on the request but obfuscated using a random key.
 const request = "0100000005320000005hello";
@@ skipping 218 matching lines @@
   function onServerSocketCreate(socketInfo) {
     socketId = socketInfo.socketId;
     socket.listen(socketId, address, port, onListen);
   }
 
   socket.create('tcp', {}, onServerSocketCreate);
 };
 
 var onMessageReply = function(message) {
   var parts = message.split(":");
-  test_type = parts[0];
+  var test_type = parts[0];
   address = parts[1];
   port = parseInt(parts[2]);
   console.log("Running tests, protocol " + protocol + ", echo server " +
               address + ":" + port);
   if (test_type == 'tcp_server') {
     chrome.test.runTests([ testSocketListening ]);
+  } else if (test_type == 'multicast') {
+    console.log("Running multicast tests");
+    chrome.test.runTests([ testMulticast ]);
   } else {
     protocol = test_type;
     chrome.test.runTests([ testSocketCreation, testSending ]);
   }
 };
 
 // Find out which protocol we're supposed to test, and which echo server we
 // should be using, then kick off the tests.
 chrome.test.sendMessage("info_please", onMessageReply);