1// Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
2//
3// Use of this source code is governed by a BSD-style license
4// that can be found in the LICENSE file in the root of the source
5// tree. An additional intellectual property rights grant can be found
6// in the file PATENTS.  All contributing project authors may
7// be found in the AUTHORS file in the root of the source tree.
8//
9// This file exposes the api for the bot to connect to the host script
10// waiting a websocket connection and using dnode for javascript rpc.
11//
12// This file is served to the browser via browserify to resolve the
13// dnode requires.
14var WebSocketStream = require('websocket-stream');
15var Dnode = require('dnode');
16
17function connectToServer(api) {
18  var stream = new WebSocketStream("ws://127.0.0.1:8080/");
19  var dnode = new Dnode(api);
20  dnode.on('error', function (error) { console.log(error); });
21  dnode.pipe(stream).pipe(dnode);
22}
23
24// Dnode loses certain method calls when exposing native browser objects such as
25// peer connections. This methods helps work around that by allowing one to
26// redefine a non-native method in a target "obj" from "src" that applies a list
27// of casts to the arguments (types are lost in dnode).
28function expose(obj, src, method, casts) {
29  obj[method] = function () {
30    for (index in casts)
31      arguments[index] = new (casts[index])(arguments[index]);
32    src[method].apply(src, arguments);
33  }
34}
35
36window.expose = expose;
37window.connectToServer = connectToServer;
38