cloudeebus/cloudeebus.js

   1 /******************************************************************************
   2  * Copyright 2012 Intel Corporation.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *****************************************************************************/
  16
  17
  18
  19 /*****************************************************************************/
  20
  21 var cloudeebus = window.cloudeebus = {};
  22
  23 cloudeebus.reset = function() {
  24         cloudeebus.sessionBus = null;
  25         cloudeebus.systemBus = null;
  26         cloudeebus.wampSession = null;
  27         cloudeebus.uri = null;
  28 };
  29
  30
  31 cloudeebus.log = function(msg) {
  32 };
  33
  34
  35 cloudeebus.connect = function(uri, successCB, errorCB) {
  36         cloudeebus.reset();
  37         cloudeebus.uri = uri;
  38
  39         function onWAMPSessionConnectedCB(session) {
  40                 cloudeebus.wampSession = session;
  41                 cloudeebus.sessionBus = new cloudeebus.BusConnection("session", cloudeebus.wampSession);
  42                 cloudeebus.systemBus = new cloudeebus.BusConnection("system", cloudeebus.wampSession);
  43                 cloudeebus.log("Connected to " + cloudeebus.uri);
  44                 if (successCB)
  45                         successCB();
  46         };
  47
  48         function onWAMPSessionErrorCB(code, reason) {
  49                 if (code == ab.CONNECTION_UNSUPPORTED) {
  50                         cloudeebus.log("Browser is not supported");
  51                 }
  52                 else {
  53                         cloudeebus.log("Failed to open session, code = " + code + ", reason = " + reason);
  54                 }
  55                 if (errorCB)
  56                         errorCB(reason);
  57         };
  58
  59         return ab.connect(cloudeebus.uri, onWAMPSessionConnectedCB, onWAMPSessionErrorCB);
  60 };
  61
  62
  63 cloudeebus.SessionBus = function() {
  64         return cloudeebus.sessionBus;
  65 };
  66
  67
  68 cloudeebus.SystemBus = function() {
  69         return cloudeebus.systemBus;
  70 };
  71
  72
  73
  74 /*****************************************************************************/
  75
  76 cloudeebus.BusConnection = function(name, session) {
  77         this.name = name;
  78         this.wampSession = session;
  79         return this;
  80 }
  81
  82
  83 cloudeebus.BusConnection.prototype.listNames = function(successCB, errorCB) {
  84
  85         var self = this;
  86
  87         function listNamesSuccessCB(str) {
  88                 if (successCB)
  89                         successCB(JSON.parse(str));
  90         };
  91
  92         function listNamesErrorCB(error) {
  93                 cloudeebus.log("Failed to list names for bus: " + self.name);
  94                 cloudeebus.log(error.desc);
  95                 if (errorCB)
  96                         errorCB(error.desc);
  97         };
  98
  99     // call listNames with bus name
 100         self.wampSession.call("listNames", [self.name]).then(listNamesSuccessCB, listNamesErrorCB);
 101 }
 102
 103