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) {
202 alert("Exception adding service " + serviceName + " : " + 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) {
220 successCB(serviceName);
223 alert("Exception removing service " + serviceName + " : " + 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("callDict = " + arguments[1]);
269 result = funcToCall.apply(objectJS, callDict.args);
270 service._returnMethod(methodId, callDict.callIndex, true, result);
273 cloudeebus.log("Method " + ifName + "." + method + " call on " + objectPath + " exception: " + e);
274 service._returnMethod(methodId, callDict.callIndex, false, e.message);
277 this._registerMethod(methodId, objectJS.wrapperFunc[method]);
281 cloudeebus.Service.prototype._addSignal = function(objectPath, ifName, signal, objectJS) {
283 var methodExist = false;
285 if (objectJS.interfaceProxies && objectJS.interfaceProxies[ifName])
286 if (objectJS.interfaceProxies[ifName][signal]) {
289 objectJS.interfaceProxies[ifName][signal] = function() {
290 service.emitSignal(objectPath, signal, arguments[0]);
295 if ((objectJS[signal] == undefined || objectJS[signal] == null) && !methodExist)
296 objectJS[signal] = function() {
297 service.emitSignal(objectPath, signal, arguments[0]);
300 cloudeebus.log("Can not create new method to emit signal '" + signal + "' in object JS this method already exist!");
303 cloudeebus.Service.prototype._createWrapper = function(xmlTemplate, objectPath, objectJS) {
305 var parser = new DOMParser();
306 var xmlDoc = parser.parseFromString(xmlTemplate, "text/xml");
307 var ifXml = xmlDoc.getElementsByTagName("interface");
308 objectJS.wrapperFunc = [];
309 for (var i=0; i < ifXml.length; i++) {
310 var ifName = ifXml[i].attributes.getNamedItem("name").value;
311 var ifChild = ifXml[i].firstChild;
313 if (ifChild.nodeName == "method") {
314 var metName = ifChild.attributes.getNamedItem("name").value;
315 self._addMethod(objectPath, ifName, metName, objectJS);
317 if (ifChild.nodeName == "signal") {
318 var metName = ifChild.attributes.getNamedItem("name").value;
319 self._addSignal(objectPath, ifName, metName, objectJS);
321 ifChild = ifChild.nextSibling;
326 cloudeebus.Service.prototype.addAgent = function(objectPath, xmlTemplate, objectJS, successCB, errorCB) {
327 function ServiceAddAgentSuccessCB(objPath) {
333 alert("Exception adding agent " + objectPath + " : " + e);
339 this._createWrapper(xmlTemplate, objectPath, objectJS);
342 alert("Exception creating agent wrapper " + objectPath + " : " + e);
352 // call dbusSend with bus type, destination, object, message and arguments
353 this.wampSession.call("serviceAddAgent", arglist).then(ServiceAddAgentSuccessCB, errorCB);
356 cloudeebus.Service.prototype.delAgent = function(objectPath, successCB, errorCB) {
357 function ServiceDelAgentSuccessCB(agent) {
363 alert("Exception deleting agent " + objectPath + " : " + e);
372 // call dbusSend with bus type, destination, object, message and arguments
373 this.wampSession.call("serviceDelAgent", arglist).then(ServiceDelAgentSuccessCB, errorCB);
376 cloudeebus.Service.prototype._registerMethod = function(methodId, methodHandler) {
377 this.wampSession.subscribe(methodId, methodHandler);
380 cloudeebus.Service.prototype._returnMethod = function(methodId, callIndex, success, result, successCB, errorCB) {
388 this.wampSession.call("returnMethod", arglist).then(successCB, errorCB);
391 cloudeebus.Service.prototype.emitSignal = function(objectPath, signalName, result, successCB, errorCB) {
398 this.wampSession.call("emitSignal", arglist).then(successCB, errorCB);
402 /*****************************************************************************/
404 cloudeebus.Request = function(proxy, onsuccess, onerror) {
408 this.onsuccess = onsuccess;
409 this.onerror = onerror;
413 cloudeebus.Request.prototype.then = function(onsuccess, onerror) {
414 this.onsuccess = onsuccess;
415 this.onerror = onerror;
421 /*****************************************************************************/
423 cloudeebus.ProxyObject = function(session, busConnection, busName, objectPath) {
424 this.wampSession = session;
425 this.busConnection = busConnection;
426 this.busName = busName;
427 this.objectPath = objectPath;
428 this.interfaceProxies = {};
433 cloudeebus.ProxyObject.prototype.getInterface = function(ifName) {
434 return this.interfaceProxies[ifName];
438 cloudeebus.ProxyObject.prototype._introspect = function(successCB, errorCB) {
442 function getAllPropertiesSuccessCB(props) {
443 var ifProxy = self.interfaceProxies[self.propInterfaces[self.propInterfaces.length-1]];
444 for (var prop in props)
445 ifProxy[prop] = self[prop] = props[prop];
446 getAllPropertiesNextInterfaceCB();
449 function getAllPropertiesNextInterfaceCB() {
450 self.propInterfaces.pop();
451 if (self.propInterfaces.length > 0)
452 self.callMethod("org.freedesktop.DBus.Properties",
454 [self.propInterfaces[self.propInterfaces.length-1]]).then(getAllPropertiesSuccessCB,
455 errorCB ? errorCB : getAllPropertiesNextInterfaceCB);
457 self.propInterfaces = null;
463 function introspectSuccessCB(str) {
464 var parser = new DOMParser();
465 var xmlDoc = parser.parseFromString(str, "text/xml");
466 var interfaces = xmlDoc.getElementsByTagName("interface");
467 self.propInterfaces = [];
468 var supportDBusProperties = false;
469 for (var i=0; i < interfaces.length; i++) {
470 var ifName = interfaces[i].attributes.getNamedItem("name").value;
471 self.interfaceProxies[ifName] = new cloudeebus.ProxyObject(self.wampSession, self.busConnection, self.busName, self.objectPath);
472 if (ifName == "org.freedesktop.DBus.Properties")
473 supportDBusProperties = true;
474 var hasProperties = false;
475 var ifChild = interfaces[i].firstChild;
477 if (ifChild.nodeName == "method") {
479 var metChild = ifChild.firstChild;
481 if (metChild.nodeName == "arg" &&
482 metChild.attributes.getNamedItem("direction").value == "in")
484 metChild = metChild.nextSibling;
486 var metName = ifChild.attributes.getNamedItem("name").value;
488 self._addMethod(ifName, metName, nArgs);
489 self.interfaceProxies[ifName]._addMethod(ifName, metName, nArgs);
491 else if (ifChild.nodeName == "property") {
493 self.propInterfaces.push(ifName);
494 hasProperties = true;
496 ifChild = ifChild.nextSibling;
499 if (supportDBusProperties && self.propInterfaces.length > 0) {
500 self.callMethod("org.freedesktop.DBus.Properties",
502 [self.propInterfaces[self.propInterfaces.length-1]]).then(getAllPropertiesSuccessCB,
503 errorCB ? errorCB : getAllPropertiesNextInterfaceCB);
506 self.propInterfaces = null;
512 // call Introspect on self
513 self.callMethod("org.freedesktop.DBus.Introspectable", "Introspect", []).then(introspectSuccessCB, errorCB);
517 cloudeebus.ProxyObject.prototype._addMethod = function(ifName, method, nArgs) {
521 self[method] = function() {
522 if (arguments.length < nArgs || arguments.length > nArgs + 2)
523 throw "Error: method " + method + " takes " + nArgs + " parameters, got " + arguments.length + ".";
525 var successCB = null;
527 for (var i=0; i < nArgs; i++ )
528 args.push(arguments[i]);
529 if (arguments.length > nArgs)
530 successCB = arguments[nArgs];
531 if (arguments.length > nArgs + 1)
532 errorCB = arguments[nArgs + 1];
533 self.callMethod(ifName, method, args).then(successCB, errorCB);
538 cloudeebus.ProxyObject.prototype.callMethod = function(ifName, method, args, successCB, errorCB) {
541 var request = new cloudeebus.Request(this, successCB, errorCB);
543 function callMethodSuccessCB(str) {
544 request.result = eval(str);
545 if (request.onsuccess) {
546 try { // calling dbus hook object function for un-translated types
547 request.onsuccess.apply(request.proxy, request.result);
550 cloudeebus.log("Method callback exception: " + e);
557 function callMethodErrorCB(error) {
558 cloudeebus.log("Error calling method: " + method + " on object: " + self.objectPath + " : " + error.desc);
559 request.error = error.desc;
561 request.onerror(request.error);
565 self.busConnection.name,
573 // call dbusSend with bus type, destination, object, message and arguments
574 self.wampSession.call("dbusSend", arglist).then(callMethodSuccessCB, callMethodErrorCB);
579 cloudeebus.ProxyObject.prototype.connectToSignal = function(ifName, signal, successCB, errorCB) {
583 function signalHandler(id, data) {
585 try { // calling dbus hook object function for un-translated types
586 successCB.apply(self, eval(data));
589 cloudeebus.log("Signal handler exception: " + e);
596 function connectToSignalSuccessCB(str) {
598 self.wampSession.subscribe(str, signalHandler);
601 cloudeebus.log("Subscribe error: " + e);
605 function connectToSignalErrorCB(error) {
606 cloudeebus.log("Error connecting to signal: " + signal + " on object: " + self.objectPath + " : " + error.desc);
612 self.busConnection.name,
619 // call dbusSend with bus type, destination, object, message and arguments
620 self.wampSession.call("dbusRegister", arglist).then(connectToSignalSuccessCB, connectToSignalErrorCB);
624 cloudeebus.ProxyObject.prototype.disconnectSignal = function(ifName, signal) {
626 this.wampSession.unsubscribe(this.busConnection.name + "#" + this.busName + "#" + this.objectPath + "#" + ifName + "#" + signal);
629 cloudeebus.log("Unsubscribe error: " + e);