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) {
47 cloudeebus.getError = function(error) {
48 if (error.desc && error.uri)
49 return error.desc + " : " + error.uri;
54 if (error.name && error.message)
55 return error.name + " : " + error.message;
61 cloudeebus.versionCheck = function(version) {
62 var ver = version.split(".");
63 var min = cloudeebus.minVersion.split(".");
64 for (var i=0; i<ver.length; i++) {
65 if (Number(ver[i]) > Number(min[i]))
67 if (Number(ver[i]) < Number(min[i]))
74 cloudeebus.connect = function(uri, manifest, successCB, errorCB) {
78 function onCloudeebusVersionCheckCB(version) {
79 if (cloudeebus.versionCheck(version)) {
80 cloudeebus.log("Connected to " + cloudeebus.uri);
84 var errorMsg = "Cloudeebus server version " + version + " unsupported, need version " + cloudeebus.minVersion + " or superior";
85 cloudeebus.log(errorMsg);
91 function onWAMPSessionAuthErrorCB(error) {
92 var errorStr = cloudeebus.getError(error);
93 cloudeebus.log("Authentication error: " + errorStr);
98 function onWAMPSessionAuthenticatedCB(permissions) {
99 cloudeebus.sessionBus = new cloudeebus.BusConnection("session", cloudeebus.wampSession);
100 cloudeebus.systemBus = new cloudeebus.BusConnection("system", cloudeebus.wampSession);
101 cloudeebus.wampSession.call("getVersion").then(onCloudeebusVersionCheckCB, errorCB);
104 function onWAMPSessionChallengedCB(challenge) {
105 var signature = cloudeebus.wampSession.authsign(challenge, manifest.key);
106 cloudeebus.wampSession.auth(signature).then(onWAMPSessionAuthenticatedCB, onWAMPSessionAuthErrorCB);
109 function onWAMPSessionConnectedCB(session) {
110 cloudeebus.wampSession = session;
112 cloudeebus.wampSession.authreq(
114 {permissions: manifest.permissions}
115 ).then(onWAMPSessionChallengedCB, onWAMPSessionAuthErrorCB);
117 cloudeebus.wampSession.authreq().then(function() {
118 cloudeebus.wampSession.auth().then(onWAMPSessionAuthenticatedCB, onWAMPSessionAuthErrorCB);
119 }, onWAMPSessionAuthErrorCB);
122 function onWAMPSessionErrorCB(code, reason) {
123 if (code == ab.CONNECTION_UNSUPPORTED) {
124 cloudeebus.log("Browser is not supported");
127 cloudeebus.log("Failed to open session, code = " + code + ", reason = " + reason);
133 return ab.connect(cloudeebus.uri, onWAMPSessionConnectedCB, onWAMPSessionErrorCB);
137 cloudeebus.SessionBus = function() {
138 return cloudeebus.sessionBus;
142 cloudeebus.SystemBus = function() {
143 return cloudeebus.systemBus;
148 /*****************************************************************************/
150 cloudeebus.BusConnection = function(name, session) {
152 this.wampSession = session;
157 cloudeebus.BusConnection.prototype.getObject = function(busName, objectPath, introspectCB, errorCB) {
158 var proxy = new cloudeebus.ProxyObject(this.wampSession, this, busName, objectPath);
160 proxy._introspect(introspectCB, errorCB);
165 cloudeebus.BusConnection.prototype.addService = function(serviceName) {
168 var promise = new cloudeebus.Promise(function (resolver) {
169 cloudeebusService = new cloudeebus.Service(self.wampSession, self, serviceName);
171 function busServiceAddedSuccessCB(service) {
173 service.isCreated = true;
174 var result = [cloudeebusService];
175 resolver.fulfill(result[0], true);
178 var errorStr = cloudeebus.getError(e);
179 cloudeebus.log("Method callback exception: " + errorStr);
180 resolver.reject(errorStr, true);
184 function busServiceErrorSuccessCB(error) {
185 resolver.reject(cloudeebus.getError(error), true);
188 cloudeebusService.add(this).then(busServiceAddedSuccessCB, busServiceErrorSuccessCB);
194 cloudeebus.BusConnection.prototype.removeService = function(serviceName, successCB, errorCB) {
197 function busServiceRemovedSuccessCB(serviceName) {
198 // Be sure we are removing the service requested...
199 if (serviceName == self.service.name) {
202 successCB(serviceName);
206 cloudeebusService.remove(busServiceRemovedSuccessCB, errorCB);
210 /*****************************************************************************/
211 //Generic definition for an agent. An agent need :
212 //srvDbusName : the DBus parent service
213 //objPath : a DBus path to access it
214 //jsHdl : a Javascript handler to process methods,
215 //xml : the xml which describe interface/methods/signals...
216 Agent = function(srvDbusName, objPath, jsHdl, xml) {
217 this.srvName = srvDbusName;
218 this.registered = false;
220 this.objectPath = objPath;
226 cloudeebus.Service = function(session, busConnection, name) {
227 this.wampSession = session;
228 this.busConnection = busConnection;
230 this.isCreated = false;
234 cloudeebus.Service.prototype.add = function(promise) {
236 self.promise = promise;
237 var resolver = self.promise.resolver;
239 function ServiceAddedSuccessCB(serviceName) {
240 try { // calling dbus hook object function for un-translated types
242 resolver.fulfill(result[0], true);
245 var errorStr = cloudeebus.getError(e);
246 cloudeebus.log("Method callback exception: " + errorStr);
247 resolver.reject(errorStr, true);
251 function ServiceAddedErrorCB(error) {
252 var errorStr = cloudeebus.getError(error);
253 cloudeebus.log("Error adding service method: " + self.name + ", error: " + errorStr);
254 self.promise.resolver.reject(errorStr, true);
262 // call dbusSend with bus type, destination, object, message and arguments
263 this.wampSession.call("serviceAdd", arglist).then(ServiceAddedSuccessCB, ServiceAddedErrorCB);
267 cloudeebus.Service.prototype.remove = function(successCB, errorCB) {
268 function ServiceRemovedSuccessCB(serviceName) {
271 successCB(serviceName);
274 alert("Exception removing service " + serviceName + " : " + cloudeebus.getError(e));
283 // call dbusSend with bus type, destination, object, message and arguments
284 this.wampSession.call("serviceRelease", arglist).then(ServiceRemovedSuccessCB, errorCB);
287 cloudeebus.Service.prototype._searchMethod = function(ifName, method, objectJS) {
289 var funcToCall = null;
291 // Check if 'objectJS' has a member 'interfaceProxies' with an interface named 'ifName'
292 // and a method named 'method'
293 if (objectJS.interfaceProxies && objectJS.interfaceProxies[ifName] &&
294 objectJS.interfaceProxies[ifName][method]) {
295 funcToCall = objectJS.interfaceProxies[ifName][method];
297 // retrieve the method directly from 'root' of objectJs
298 funcToCall = objectJS[method];
304 cloudeebus.Service.prototype._addMethod = function(ifName, method, agent) {
307 var methodId = this.name + "#" + agent.objectPath + "#" + ifName + "#" + method;
308 var funcToCall = this._searchMethod(ifName, method, agent.jsHdl);
310 if (funcToCall == null)
311 cloudeebus.log("Method " + method + " doesn't exist in Javascript object");
313 agent.jsHdl.wrapperFunc[method] = function() {
315 var methodId = arguments[0];
317 // affectation of callDict in eval, otherwise dictionary(='{}') interpreted as block of code by eval
318 eval("callDict = " + arguments[1]);
320 result = funcToCall.apply(agent.jsHdl, callDict.args);
321 service._returnMethod(methodId, callDict.callIndex, true, result);
324 var errorStr = cloudeebus.getError(e);
325 cloudeebus.log("Method " + ifName + "." + method + " call on " + agent.objectPath + " exception: " + errorStr);
326 service._returnMethod(methodId, callDict.callIndex, false, errorStr);
329 agent.jsHdl.methodId[agent.objectPath].push(methodId);
330 cloudeebus.log("subscribe " + methodId);
331 this.wampSession.subscribe(methodId, agent.jsHdl.wrapperFunc[method]);
335 cloudeebus.Service.prototype._addSignal = function(ifName, signal, agent) {
337 var methodExist = false;
339 if (agent.jsHdl.interfaceProxies && agent.jsHdl.interfaceProxies[ifName])
340 if (agent.jsHdl.interfaceProxies[ifName][signal]) {
343 agent.jsHdl.interfaceProxies[ifName][signal] = function() {
344 service._emitSignal(agent.objectPath, signal, arguments[0]);
349 if ((agent.jsHdl[signal] == undefined || agent.jsHdl[signal] == null) && !methodExist)
350 agent.jsHdl[signal] = function() {
351 service.emitSignal(agent.objectPath, signal, arguments[0]);
354 cloudeebus.log("Can not create new method to emit signal '" + signal + "' in object JS this method already exist!");
357 cloudeebus.Service.prototype._createWrapper = function(agent) {
359 var parser = new DOMParser();
360 var xmlDoc = parser.parseFromString(agent.xml, "text/xml");
361 var ifXml = xmlDoc.getElementsByTagName("interface");
362 agent.jsHdl.wrapperFunc = [];
363 agent.jsHdl.methodId = [];
364 agent.jsHdl.methodId[agent.objectPath] = [];
365 for (var i=0; i < ifXml.length; i++) {
366 var ifName = ifXml[i].attributes.getNamedItem("name").value;
367 var ifChild = ifXml[i].firstChild;
369 if (ifChild.nodeName == "method") {
370 var metName = ifChild.attributes.getNamedItem("name").value;
371 self._addMethod(ifName, metName, agent);
373 if (ifChild.nodeName == "signal") {
374 var metName = ifChild.attributes.getNamedItem("name").value;
375 self._addSignal(objectPath, ifName, metName, objectJS);
377 ifChild = ifChild.nextSibling;
382 cloudeebus.Service.prototype.addAgent = function(agent, successCB, errorCB) {
383 function ServiceAddAgentSuccessCB(objPath) {
389 alert("Exception adding agent " + agent.objectPath + " : " + cloudeebus.getError(e));
395 this._createWrapper(agent);
398 var errorStr = cloudeebus.getError(e);
399 alert("Exception creating agent wrapper " + agent.objectPath + " : " + errorStr);
409 // call dbusSend with bus type, destination, object, message and arguments
410 this.wampSession.call("serviceAddAgent", arglist).then(ServiceAddAgentSuccessCB, errorCB);
413 cloudeebus.Service.prototype._deleteWrapper = function(agent) {
414 var objJs = agent.jsHdl;
415 if (objJs.methodId[agent.objectPath]) {
416 for (var idx in objJs.methodId[agent.objectPath]) {
418 cloudeebus.log("unsubscribe " + objJs.methodId[agent.objectPath][idx]);
419 this.wampSession.unsubscribe(objJs.methodId[agent.objectPath][idx]);
420 objJs.methodId[agent.objectPath][idx] = null;
423 cloudeebus.log("Unsubscribe error: " + cloudeebus.getError(e));
426 delete objJs.methodId[agent.objectPath];
430 cloudeebus.Service.prototype.delAgent = function(rmAgent, successCB, errorCB) {
431 function ServiceDelAgentSuccessCB(agent) {
437 var errorStr = cloudeebus.getError(e);
438 alert("Exception deleting agent " + rmAgent.objectPath + " : " + errorStr);
445 this._deleteWrapper(rmAgent);
448 var errorStr = cloudeebus.getError(e);
449 alert("Exception deleting agent wrapper " + rmAgent.objectPath + " : " + errorStr);
457 // call dbusSend with bus type, destination, object, message and arguments
458 this.wampSession.call("serviceDelAgent", arglist).then(ServiceDelAgentSuccessCB, errorCB);
461 cloudeebus.Service.prototype._returnMethod = function(methodId, callIndex, success, result, successCB, errorCB) {
469 this.wampSession.call("returnMethod", arglist).then(successCB, errorCB);
472 cloudeebus.Service.prototype._emitSignal = function(objectPath, signalName, result, successCB, errorCB) {
479 this.wampSession.call("emitSignal", arglist).then(successCB, errorCB);
484 /*****************************************************************************/
486 function _processWrappers(wrappers, value) {
487 for (var i=0; i<wrappers.length; i++)
492 function _processWrappersAsync(wrappers, value) {
494 function processAsyncOnce() {
495 _processWrappers(wrappers, value);
496 clearInterval(taskid);
498 taskid = setInterval(processAsyncOnce, 200);
503 /*****************************************************************************/
505 cloudeebus.PromiseResolver = function(promise) {
506 this.promise = promise;
507 this.resolved = null;
512 cloudeebus.PromiseResolver.prototype.resolve = function(value, sync) {
516 var then = (value && value.then && value.then.apply) ? value.then : null;
519 var fulfillCallback = function(arg) {
520 self.resolve(arg, true);
522 var rejectCallback = function(arg) {
523 self.reject(arg, true);
526 then.apply(value, [fulfillCallback, rejectCallback]);
529 this.reject(cloudeebus.getError(e), true);
533 this.fulfill(value, sync);
537 cloudeebus.PromiseResolver.prototype.fulfill = function(value, sync) {
541 var promise = this.promise;
542 promise.state = "fulfilled";
543 promise.result = value;
545 this.resolved = true;
547 _processWrappers(promise._fulfillWrappers, value);
549 _processWrappersAsync(promise._fulfillWrappers, value);
553 cloudeebus.PromiseResolver.prototype.reject = function(value, sync) {
557 var promise = this.promise;
558 promise.state = "rejected";
559 promise.result = value;
561 this.resolved = true;
563 _processWrappers(promise._rejectWrappers, value);
565 _processWrappersAsync(promise._rejectWrappers, value);
570 /*****************************************************************************/
572 cloudeebus.Promise = function(init) {
573 this.state = "pending";
575 this._fulfillWrappers = [];
576 this._rejectWrappers = [];
577 this.resolver = new cloudeebus.PromiseResolver(this);
580 init.apply(this, [this.resolver]);
583 this.resolver.reject(cloudeebus.getError(e), true);
590 cloudeebus.Promise.prototype.appendWrappers = function(fulfillWrapper, rejectWrapper) {
592 this._fulfillWrappers.push(fulfillWrapper);
594 this._rejectWrappers.push(rejectWrapper);
595 if (this.state == "fulfilled")
596 _processWrappersAsync(this._fulfillWrappers, this.result);
597 if (this.state == "rejected")
598 _processWrappersAsync(this._rejectWrappers, this.result);
602 cloudeebus.Promise.prototype.then = function(fulfillCB, rejectCB) {
603 var promise = new cloudeebus.Promise();
604 var resolver = promise.resolver;
605 var fulfillWrapper, rejectWrapper;
608 fulfillWrapper = function(arg) {
610 var value = fulfillCB.apply(promise, [arg]);
611 resolver.resolve(value, true);
614 resolver.reject(cloudeebus.getError(e), true);
618 fulfillWrapper = function(arg) {
619 resolver.fulfill(arg, true);
623 rejectWrapper = function(arg) {
625 var value = rejectCB.apply(promise, [arg]);
626 resolver.resolve(value, true);
629 resolver.reject(cloudeebus.getError(e), true);
633 rejectWrapper = function(arg) {
634 resolver.reject(arg, true);
637 this.appendWrappers(fulfillWrapper,rejectWrapper);
642 cloudeebus.Promise.prototype["catch"] = function(rejectCB) {
643 return this.then(undefined,rejectCB);
647 cloudeebus.Promise.prototype.done = function(fulfillCB, rejectCB) {
648 this.appendWrappers(fulfillCB,rejectCB);
652 cloudeebus.Promise.resolve = function(value) {
653 var promise = new cloudeebus.Promise();
654 promise.resolver.resolve(value);
659 cloudeebus.Promise.fulfill = function(value) {
660 var promise = new cloudeebus.Promise();
661 promise.resolver.fulfill(value);
666 cloudeebus.Promise.reject = function(value) {
667 var promise = new cloudeebus.Promise();
668 promise.resolver.reject(value);
673 cloudeebus.Promise.any = function() {
674 var promise = new cloudeebus.Promise();
675 var resolver = promise.resolver;
676 var fulfillCallback = function(arg) {
677 resolver.resolve(arg, true);
679 var rejectCallback = function(arg) {
680 resolver.reject(arg, true);
682 if (arguments.length == 0)
683 resolver.resolve(undefined, true);
686 Promise.resolve(arguments[i]).appendWrappers(fulfillCallback,rejectCallback);
691 cloudeebus.Promise.every = function() {
692 var promise = new cloudeebus.Promise();
693 var resolver = promise.resolver;
695 var countdown = arguments.length;
696 var args = new Array(countdown);
697 var rejectCallback = function(arg) {
698 resolver.reject(arg, true);
700 if (arguments.length == 0)
701 resolver.resolve(undefined, true);
703 for (i in arguments) {
704 var fulfillCallback = function(arg) {
708 resolver.resolve(args, true);
711 Promise.resolve(arguments[i]).appendWrappers(fulfillCallback,rejectCallback);
718 cloudeebus.Promise.some = function() {
719 var promise = new cloudeebus.Promise();
720 var resolver = promise.resolver;
722 var countdown = arguments.length;
723 var args = new Array(countdown);
724 var fulfillCallback = function(arg) {
725 resolver.resolve(arg, true);
727 if (arguments.length == 0)
728 resolver.resolve(undefined, true);
730 for (i in arguments) {
731 var rejectCallback = function(arg) {
735 resolver.reject(args, true);
738 Promise.resolve(arguments[i]).appendWrappers(fulfillCallback,rejectCallback);
746 /*****************************************************************************/
748 cloudeebus.ProxyObject = function(session, busConnection, busName, objectPath) {
749 this.wampSession = session;
750 this.busConnection = busConnection;
751 this.busName = busName;
752 this.objectPath = objectPath;
753 this.interfaceProxies = {};
758 cloudeebus.ProxyObject.prototype.getInterface = function(ifName) {
759 return this.interfaceProxies[ifName];
763 cloudeebus.ProxyObject.prototype._introspect = function(successCB, errorCB) {
767 function getAllPropertiesSuccessCB(props) {
768 var ifProxy = self.interfaceProxies[self.propInterfaces[self.propInterfaces.length-1]];
769 for (var prop in props)
770 ifProxy[prop] = self[prop] = props[prop];
771 getAllPropertiesNextInterfaceCB();
774 function getAllPropertiesNextInterfaceCB() {
775 self.propInterfaces.pop();
776 if (self.propInterfaces.length > 0)
777 self.callMethod("org.freedesktop.DBus.Properties",
779 [self.propInterfaces[self.propInterfaces.length-1]]).then(getAllPropertiesSuccessCB,
780 errorCB ? errorCB : getAllPropertiesNextInterfaceCB);
782 self.propInterfaces = null;
788 function introspectSuccessCB(str) {
789 var parser = new DOMParser();
790 var xmlDoc = parser.parseFromString(str, "text/xml");
791 var interfaces = xmlDoc.getElementsByTagName("interface");
792 self.propInterfaces = [];
793 var supportDBusProperties = false;
794 for (var i=0; i < interfaces.length; i++) {
795 var ifName = interfaces[i].attributes.getNamedItem("name").value;
796 self.interfaceProxies[ifName] = new cloudeebus.ProxyObject(self.wampSession, self.busConnection, self.busName, self.objectPath);
797 if (ifName == "org.freedesktop.DBus.Properties")
798 supportDBusProperties = true;
799 var hasProperties = false;
800 var ifChild = interfaces[i].firstChild;
802 if (ifChild.nodeName == "method") {
805 var metChild = ifChild.firstChild;
807 if (metChild.nodeName == "arg" &&
808 metChild.attributes.getNamedItem("direction").value == "in") {
809 signature += metChild.attributes.getNamedItem("type").value;
812 metChild = metChild.nextSibling;
814 var metName = ifChild.attributes.getNamedItem("name").value;
816 self._addMethod(ifName, metName, nArgs, signature);
817 self.interfaceProxies[ifName]._addMethod(ifName, metName, nArgs, signature);
819 else if (ifChild.nodeName == "property") {
821 self.propInterfaces.push(ifName);
822 hasProperties = true;
824 ifChild = ifChild.nextSibling;
827 if (supportDBusProperties && self.propInterfaces.length > 0) {
828 self.callMethod("org.freedesktop.DBus.Properties",
830 [self.propInterfaces[self.propInterfaces.length-1]]).then(getAllPropertiesSuccessCB,
831 errorCB ? errorCB : getAllPropertiesNextInterfaceCB);
834 self.propInterfaces = null;
840 // call Introspect on self
841 self.callMethod("org.freedesktop.DBus.Introspectable", "Introspect", []).then(introspectSuccessCB, errorCB);
845 cloudeebus.ProxyObject.prototype._addMethod = function(ifName, method, nArgs, signature) {
849 self[method] = function() {
851 for (var i=0; i < nArgs; i++ )
852 args.push(arguments[i]);
853 return self.callMethod(ifName, method, args, signature);
858 cloudeebus.ProxyObject.prototype.callMethod = function(ifName, method, args, signature) {
862 var promise = new cloudeebus.Promise(function (resolver) {
863 function callMethodSuccessCB(str) {
864 try { // calling dbus hook object function for un-translated types
865 var result = eval(str);
866 resolver.fulfill(result[0], true);
869 var errorStr = cloudeebus.getError(e);
870 cloudeebus.log("Method callback exception: " + errorStr);
871 resolver.reject(errorStr, true);
875 function callMethodErrorCB(error) {
876 var errorStr = cloudeebus.getError(error);
877 cloudeebus.log("Error calling method: " + method + " on object: " + self.objectPath + " : " + errorStr);
878 resolver.reject(errorStr, true);
882 self.busConnection.name,
890 // call dbusSend with bus type, destination, object, message and arguments
891 self.wampSession.call("dbusSend", arglist).then(callMethodSuccessCB, callMethodErrorCB);
898 cloudeebus.ProxyObject.prototype.connectToSignal = function(ifName, signal, handlerCB, errorCB) {
902 function signalHandler(id, data) {
904 try { // calling dbus hook object function for un-translated types
905 handlerCB.apply(self, eval(data));
908 var errorStr = cloudeebus.getError(e);
909 cloudeebus.log("Signal handler exception: " + errorStr);
916 function connectToSignalSuccessCB(str) {
918 self.wampSession.subscribe(str, signalHandler);
921 cloudeebus.log("Subscribe error: " + cloudeebus.getError(e));
925 function connectToSignalErrorCB(error) {
926 var errorStr = cloudeebus.getError(error);
927 cloudeebus.log("Error connecting to signal: " + signal + " on object: " + self.objectPath + " : " + errorStr);
929 errorCB(cloudeebus.getError(errorStr));
933 self.busConnection.name,
940 // call dbusSend with bus type, destination, object, message and arguments
941 self.wampSession.call("dbusRegister", arglist).then(connectToSignalSuccessCB, connectToSignalErrorCB);
945 cloudeebus.ProxyObject.prototype.disconnectSignal = function(ifName, signal) {
947 this.wampSession.unsubscribe(this.busConnection.name + "#" + this.busName + "#" + this.objectPath + "#" + ifName + "#" + signal);
950 cloudeebus.log("Unsubscribe error: " + cloudeebus.getError(e));