1 /******************************************************************************
2 * Copyright 2012 Intel Corporation.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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 *****************************************************************************/
19 /*****************************************************************************/
21 var dbus = { // hook object for dbus types not translated by python-json
22 Double: function(value, level) {
29 /*****************************************************************************/
31 var cloudeebus = window.cloudeebus = {
36 cloudeebus.reset = function() {
37 cloudeebus.sessionBus = null;
38 cloudeebus.systemBus = null;
39 cloudeebus.wampSession = null;
40 cloudeebus.uri = null;
44 cloudeebus.log = function(msg) {
48 cloudeebus.versionCheck = function(version) {
49 var ver = version.split(".");
50 var min = cloudeebus.minVersion.split(".");
51 for (var i=0; i<ver.length; i++) {
52 if (Number(ver[i]) > Number(min[i]))
54 if (Number(ver[i]) < Number(min[i]))
61 cloudeebus.connect = function(uri, manifest, successCB, errorCB) {
65 function onCloudeebusVersionCheckCB(version) {
66 if (cloudeebus.versionCheck(version)) {
67 cloudeebus.log("Connected to " + cloudeebus.uri);
71 var errorMsg = "Cloudeebus server version " + version + " unsupported, need version " + cloudeebus.minVersion + " or superior";
72 cloudeebus.log(errorMsg);
78 function onWAMPSessionAuthErrorCB(error) {
79 cloudeebus.log("Authentication error: " + error.desc);
84 function onWAMPSessionAuthenticatedCB(permissions) {
85 cloudeebus.sessionBus = new cloudeebus.BusConnection("session", cloudeebus.wampSession);
86 cloudeebus.systemBus = new cloudeebus.BusConnection("system", cloudeebus.wampSession);
87 cloudeebus.wampSession.call("getVersion").then(onCloudeebusVersionCheckCB, errorCB);
90 function onWAMPSessionChallengedCB(challenge) {
91 var signature = cloudeebus.wampSession.authsign(challenge, manifest.key);
92 cloudeebus.wampSession.auth(signature).then(onWAMPSessionAuthenticatedCB, onWAMPSessionAuthErrorCB);
95 function onWAMPSessionConnectedCB(session) {
96 cloudeebus.wampSession = session;
98 cloudeebus.wampSession.authreq(
100 {permissions: manifest.permissions}
101 ).then(onWAMPSessionChallengedCB, onWAMPSessionAuthErrorCB);
103 cloudeebus.wampSession.authreq().then(function() {
104 cloudeebus.wampSession.auth().then(onWAMPSessionAuthenticatedCB, onWAMPSessionAuthErrorCB);
105 }, onWAMPSessionAuthErrorCB);
108 function onWAMPSessionErrorCB(code, reason) {
109 if (code == ab.CONNECTION_UNSUPPORTED) {
110 cloudeebus.log("Browser is not supported");
113 cloudeebus.log("Failed to open session, code = " + code + ", reason = " + reason);
119 return ab.connect(cloudeebus.uri, onWAMPSessionConnectedCB, onWAMPSessionErrorCB);
123 cloudeebus.SessionBus = function() {
124 return cloudeebus.sessionBus;
128 cloudeebus.SystemBus = function() {
129 return cloudeebus.systemBus;
134 /*****************************************************************************/
136 cloudeebus.BusConnection = function(name, session) {
138 this.wampSession = session;
144 cloudeebus.BusConnection.prototype.getObject = function(busName, objectPath, introspectCB, errorCB) {
145 var proxy = new cloudeebus.ProxyObject(this.wampSession, this, busName, objectPath);
147 proxy._introspect(introspectCB, errorCB);
152 cloudeebus.BusConnection.prototype.addService = function(serviceName, successCB, errorCB) {
155 cloudeebusService = new cloudeebus.Service(this.wampSession, this, serviceName);
157 function busServiceAddedSuccessCB(service) {
158 self.service = cloudeebusService;
160 successCB(cloudeebusService);
163 cloudeebusService.add(busServiceAddedSuccessCB, errorCB);
164 return cloudeebusService;
167 cloudeebus.BusConnection.prototype.removeService = function(serviceName, successCB, errorCB) {
170 function busServiceRemovedSuccessCB(serviceName) {
171 // Be sure we are removing the service requested...
172 if (serviceName == self.service.name) {
175 successCB(serviceName);
179 cloudeebusService.remove(busServiceRemovedSuccessCB, errorCB);
183 /*****************************************************************************/
185 cloudeebus.Service = function(session, busConnection, name) {
186 this.wampSession = session;
187 this.busConnection = busConnection;
189 this.isCreated = false;
193 cloudeebus.Service.prototype.add = function(successCB, errorCB) {
196 function ServiceAddedSuccessCB(serviceName) {
198 try { // calling dbus hook object function for un-translated types
202 alert(arguments.callee.name + "-> Method callback exception: " + e);
212 // call dbusSend with bus type, destination, object, message and arguments
213 this.wampSession.call("serviceAdd", arglist).then(ServiceAddedSuccessCB, errorCB);
216 cloudeebus.Service.prototype.remove = function(successCB, errorCB) {
217 function ServiceRemovedSuccessCB(serviceName) {
219 try { // calling dbus hook object function for un-translated types
220 successCB(serviceName);
223 alert(arguments.callee.name + "-> Method callback exception: " + e);
232 // call dbusSend with bus type, destination, object, message and arguments
233 this.wampSession.call("serviceRelease", arglist).then(ServiceRemovedSuccessCB, errorCB);
236 cloudeebus.Service.prototype._searchMethod = function(ifName, method, objectJS) {
238 var funcToCall = null;
240 // Check if 'objectJS' has a member 'interfaceProxies' with an interface named 'ifName'
241 // and a method named 'method'
242 if (objectJS.interfaceProxies && objectJS.interfaceProxies[ifName] &&
243 objectJS.interfaceProxies[ifName][method]) {
244 funcToCall = objectJS.interfaceProxies[ifName][method];
246 // retrieve the method directly from 'root' of objectJs
247 funcToCall = objectJS[method];
253 cloudeebus.Service.prototype._addMethod = function(objectPath, ifName, method, objectJS) {
256 var methodId = this.name + "#" + objectPath + "#" + ifName + "#" + method;
257 var funcToCall = this._searchMethod(ifName, method, objectJS);
259 if (funcToCall == null)
260 cloudeebus.log("Method " + method + " doesn't exist in Javascript object");
262 objectJS.wrapperFunc[method] = function() {
264 var methodId = arguments[0];
266 // affectation of callDict in eval, otherwise dictionary(='{}') interpreted as block of code by eval
267 eval("var callDict = " + arguments[1]);
268 result = funcToCall.apply(objectJS, callDict.args);
269 service._returnMethod(methodId, callDict.callIndex, true, result);
272 cloudeebus.log(arguments.callee.name + "-> Method callback exception: " + e);
273 service._returnMethod(methodId, callDict.callIndex, false, e.message);
276 this._registerMethod(methodId, objectJS.wrapperFunc[method]);
280 cloudeebus.Service.prototype._addSignal = function(objectPath, ifName, signal, objectJS) {
282 var methodExist = false;
284 if (objectJS.interfaceProxies && objectJS.interfaceProxies[ifName])
285 if (objectJS.interfaceProxies[ifName][signal]) {
288 objectJS.interfaceProxies[ifName][signal] = function() {
289 var result = JSON.parse(arguments[0]);
290 service.emitSignal(objectPath, signal, result);
295 if ((objectJS[signal] == undefined || objectJS[signal] == null) && !methodExist)
296 objectJS[signal] = function() {
297 var result = JSON.parse(arguments[0]);
298 service.emitSignal(objectPath, signal, result);
301 cloudeebus.log("Can not create new method to emit signal '" + signal + "' in object JS this method already exist!");
304 cloudeebus.Service.prototype._createWrapper = function(xmlTemplate, objectPath, objectJS) {
306 var parser = new DOMParser();
307 var xmlDoc = parser.parseFromString(xmlTemplate, "text/xml");
308 var ifXml = xmlDoc.getElementsByTagName("interface");
309 objectJS.wrapperFunc = []
310 for (var i=0; i < ifXml.length; i++) {
311 var ifName = ifXml[i].attributes.getNamedItem("name").value;
312 var ifChild = ifXml[i].firstChild;
314 if (ifChild.nodeName == "method") {
315 var metName = ifChild.attributes.getNamedItem("name").value;
316 self._addMethod(objectPath, ifName, metName, objectJS);
318 if (ifChild.nodeName == "signal") {
319 var metName = ifChild.attributes.getNamedItem("name").value;
320 self._addSignal(objectPath, ifName, metName, objectJS);
322 ifChild = ifChild.nextSibling;
327 cloudeebus.Service.prototype.addAgent = function(objectPath, xmlTemplate, objectJS, successCB, errorCB) {
328 function ServiceAddAgentSuccessCB(objPath) {
330 try { // calling dbus hook object function for un-translated types
334 alert(arguments.callee.name + "-> Method callback exception: " + e);
339 try { // calling dbus hook object function for un-translated types
340 this._createWrapper(xmlTemplate, objectPath, objectJS);
343 alert(arguments.callee.name + "-> Method callback exception: " + e);
353 // call dbusSend with bus type, destination, object, message and arguments
354 this.wampSession.call("serviceAddAgent", arglist).then(ServiceAddAgentSuccessCB, errorCB);
357 cloudeebus.Service.prototype.delAgent = function(objectPath, successCB, errorCB) {
358 function ServiceDelAgentSuccessCB(agent) {
360 try { // calling dbus hook object function for un-translated types
364 alert(arguments.callee.name + "-> Method callback exception: " + e);
373 // call dbusSend with bus type, destination, object, message and arguments
374 this.wampSession.call("serviceDelAgent", arglist).then(ServiceDelAgentSuccessCB, errorCB);
377 cloudeebus.Service.prototype._registerMethod = function(methodId, methodHandler) {
378 this.wampSession.subscribe(methodId, methodHandler);
381 cloudeebus.Service.prototype._returnMethod = function(methodId, callIndex, success, result, successCB, errorCB) {
389 this.wampSession.call("returnMethod", arglist).then(successCB, errorCB);
392 cloudeebus.Service.prototype.emitSignal = function(objectPath, signalName, result, successCB, errorCB) {
399 this.wampSession.call("emitSignal", arglist).then(successCB, errorCB);
403 /*****************************************************************************/
405 cloudeebus.ProxyObject = function(session, busConnection, busName, objectPath) {
406 this.wampSession = session;
407 this.busConnection = busConnection;
408 this.busName = busName;
409 this.objectPath = objectPath;
410 this.interfaceProxies = {};
415 cloudeebus.ProxyObject.prototype.getInterface = function(ifName) {
416 return this.interfaceProxies[ifName];
420 cloudeebus.ProxyObject.prototype._introspect = function(successCB, errorCB) {
424 function getAllPropertiesSuccessCB(props) {
425 var ifProxy = self.interfaceProxies[self.propInterfaces[self.propInterfaces.length-1]];
426 for (var prop in props)
427 ifProxy[prop] = self[prop] = props[prop];
428 getAllPropertiesNextInterfaceCB();
431 function getAllPropertiesNextInterfaceCB() {
432 self.propInterfaces.pop();
433 if (self.propInterfaces.length > 0)
434 self.callMethod("org.freedesktop.DBus.Properties",
436 [self.propInterfaces[self.propInterfaces.length-1]],
437 getAllPropertiesSuccessCB,
438 errorCB ? errorCB : getAllPropertiesNextInterfaceCB);
440 self.propInterfaces = null;
446 function introspectSuccessCB(str) {
447 var parser = new DOMParser();
448 var xmlDoc = parser.parseFromString(str, "text/xml");
449 var interfaces = xmlDoc.getElementsByTagName("interface");
450 self.propInterfaces = [];
451 var supportDBusProperties = false;
452 for (var i=0; i < interfaces.length; i++) {
453 var ifName = interfaces[i].attributes.getNamedItem("name").value;
454 self.interfaceProxies[ifName] = new cloudeebus.ProxyObject(self.wampSession, self.busConnection, self.busName, self.objectPath);
455 if (ifName == "org.freedesktop.DBus.Properties")
456 supportDBusProperties = true;
457 var hasProperties = false;
458 var ifChild = interfaces[i].firstChild;
460 if (ifChild.nodeName == "method") {
462 var metChild = ifChild.firstChild;
464 if (metChild.nodeName == "arg" &&
465 metChild.attributes.getNamedItem("direction").value == "in")
467 metChild = metChild.nextSibling;
469 var metName = ifChild.attributes.getNamedItem("name").value;
471 self._addMethod(ifName, metName, nArgs);
472 self.interfaceProxies[ifName]._addMethod(ifName, metName, nArgs);
474 else if (ifChild.nodeName == "property") {
476 self.propInterfaces.push(ifName);
477 hasProperties = true;
479 ifChild = ifChild.nextSibling;
482 if (supportDBusProperties && self.propInterfaces.length > 0) {
483 self.callMethod("org.freedesktop.DBus.Properties",
485 [self.propInterfaces[self.propInterfaces.length-1]],
486 getAllPropertiesSuccessCB,
487 errorCB ? errorCB : getAllPropertiesNextInterfaceCB);
490 self.propInterfaces = null;
496 // call Introspect on self
497 self.callMethod("org.freedesktop.DBus.Introspectable", "Introspect", [], introspectSuccessCB, errorCB);
501 cloudeebus.ProxyObject.prototype._addMethod = function(ifName, method, nArgs) {
505 self[method] = function() {
506 if (arguments.length < nArgs || arguments.length > nArgs + 2)
507 throw "Error: method " + method + " takes " + nArgs + " parameters, got " + arguments.length + ".";
509 var successCB = null;
511 for (var i=0; i < nArgs; i++ )
512 args.push(arguments[i]);
513 if (arguments.length > nArgs)
514 successCB = arguments[nArgs];
515 if (arguments.length > nArgs + 1)
516 errorCB = arguments[nArgs + 1];
517 self.callMethod(ifName, method, args, successCB, errorCB);
523 cloudeebus.ProxyObject.prototype.callMethod = function(ifName, method, args, successCB, errorCB) {
527 function callMethodSuccessCB(str) {
529 try { // calling dbus hook object function for un-translated types
530 successCB.apply(self, eval(str));
533 cloudeebus.log("Method callback exception: " + e);
540 function callMethodErrorCB(error) {
541 cloudeebus.log("Error calling method: " + method + " on object: " + self.objectPath + " : " + error.desc);
547 self.busConnection.name,
555 // call dbusSend with bus type, destination, object, message and arguments
556 self.wampSession.call("dbusSend", arglist).then(callMethodSuccessCB, callMethodErrorCB);
560 cloudeebus.ProxyObject.prototype.connectToSignal = function(ifName, signal, successCB, errorCB) {
564 function signalHandler(id, data) {
566 try { // calling dbus hook object function for un-translated types
567 successCB.apply(self, eval(data));
570 cloudeebus.log("Signal handler exception: " + e);
577 function connectToSignalSuccessCB(str) {
579 self.wampSession.subscribe(str, signalHandler);
582 cloudeebus.log("Subscribe error: " + e);
586 function connectToSignalErrorCB(error) {
587 cloudeebus.log("Error connecting to signal: " + signal + " on object: " + self.objectPath + " : " + error.desc);
593 self.busConnection.name,
600 // call dbusSend with bus type, destination, object, message and arguments
601 self.wampSession.call("dbusRegister", arglist).then(connectToSignalSuccessCB, connectToSignalErrorCB);
605 cloudeebus.ProxyObject.prototype.disconnectSignal = function(ifName, signal) {
607 this.wampSession.unsubscribe(this.busConnection.name + "#" + this.busName + "#" + this.objectPath + "#" + ifName + "#" + signal);
610 cloudeebus.log("Unsubscribe error: " + e);