Update CrOS OOBE throbber to MD throbber; delete old asset
[chromium-blink-merge.git] / chrome / test / ext_auto / auto_provider / server.js
bloba4f70adda641f00aa2e7bb738fdf0a837102ae3a
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 var socket = chrome.experimental.socket || chrome.socket;
7 // Stream encapsulates read/write operations over socket.
8 function Stream(delegate, socketId) {
9   this.socketId_ = socketId;
10   this.delegate_ = delegate;
13 Stream.prototype = {
14   stringToUint8Array_: function(string) {
15     var utf8string = unescape(encodeURIComponent(string));
16     var buffer = new ArrayBuffer(utf8string.length);
17     var view = new Uint8Array(buffer);
18     for(var i = 0; i < utf8string.length; i++) {
19       view[i] = utf8string.charCodeAt(i);
20     }
21     return view;
22   },
24   read: function(callback) {
25     socket.read(this.socketId_, function(readInfo) {
26       callback(this, readInfo);
27     }.bind(this));
28   },
30   write: function(output) {
31     var header = this.stringToUint8Array_(output + '\n\n');
32     var outputBuffer = new ArrayBuffer(header.byteLength);
33     var view = new Uint8Array(outputBuffer);
34     view.set(header, 0);
35     socket.write(this.socketId_, outputBuffer, function(writeInfo) {
36       if (writeInfo.bytesWritten < 0)
37         this.delegate_.onStreamError(this);
38     }.bind(this));
39   },
41   writeError: function(errorCode, description) {
42     var content = JSON.stringify({'type': 'error',
43                                   'code': errorCode,
44                                   'description': description});
45     var buffer = this.stringToUint8Array_(content + "\n\n");
46     var outputBuffer = new ArrayBuffer(buffer.byteLength);
47     var view = new Uint8Array(outputBuffer);
48     view.set(buffer, 0);
49     socket.write(this.socketId_, outputBuffer, function(writeInfo) {
50       this.terminateConnection_();
51     }.bind(this));
52   },
54   terminateConnection_: function() {
55     this.delegate_.onStreamTerminated(this);
56     socket.destroy(this.socketId_);
57   }
60 // Automation server listens socket and passed its processing to
61 // |connectionHandler|.
62 function AutomationServer(connectionHandler) {
63   this.socketInfo = null;
64   this.handler_ = connectionHandler;
67 AutomationServer.instance_ = null;
69 AutomationServer.getInstance = function() {
70   if (!AutomationServer.instance_)
71     AutomationServer.instance_ = new AutomationServer(new ConnectionHandler());
73   return AutomationServer.instance_;
76 AutomationServer.prototype = {
77   onAccept_: function(acceptInfo) {
78     console.log("Accepting socket " + acceptInfo.socketId);
79     socket.setNoDelay(acceptInfo.socketId, true, function(result) {
80       this.handler_.readRequest_(new Stream(this.handler_,
81                                             acceptInfo.socketId));
82       socket.accept(this.socketInfo.socketId, this.onAccept_.bind(this));
83     }.bind(this));
84   },
86   start: function() {
87     socket.create("tcp", {}, function(_socketInfo) {
88       this.socketInfo = _socketInfo;
89       socket.listen(this.socketInfo.socketId, "127.0.0.1", 8666, 20,
90         function(result) {
91           console.log("LISTENING:", result);
92           socket.accept(this.socketInfo.socketId, this.onAccept_.bind(this));
93         }.bind(this));
94     }.bind(this));
95   }