Promise async wrappers patch
[contrib/cloudeebus.git] / cloudeebus / cloudeebus.js
index 81dbf16..320efcf 100644 (file)
@@ -1,5 +1,5 @@
 /******************************************************************************
- * Copyright 2012 Intel Corporation.
+ * Copyright 2012 - 2013 Intel Corporation.
  * 
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -29,8 +29,8 @@ var dbus = { // hook object for dbus types not translated by python-json
 /*****************************************************************************/
 
 var cloudeebus = window.cloudeebus = {
-               version: "0.5.99",
-               minVersion: "0.3.2"
+               version: "0.6.0",
+               minVersion: "0.6.0"
 };
 
 cloudeebus.reset = function() {
@@ -46,16 +46,18 @@ cloudeebus.log = function(msg) {
 
 cloudeebus.getError = function(error) {
        if (error.desc && error.uri)
-               return error.desc + " : " + error.uri;
+               return error.desc + " : " + error.uri; // Python exception (cloudeebus.py)
        if (error.desc)
                return error.desc;
        if (error.uri)
                return error.uri;
        if (error.name && error.message)
-               return error.name + " : " + error.message;
+               return error.name + " : " + error.message; // Javascript exception
        if (error.message)
                return error.message;
-       return error;
+       if (error.name)
+               return error.name;
+       return error; // Autobahn error
 };
 
 cloudeebus.versionCheck = function(version) {
@@ -111,7 +113,8 @@ cloudeebus.connect = function(uri, manifest, successCB, errorCB) {
                if (manifest)
                        cloudeebus.wampSession.authreq(
                                        manifest.name, 
-                                       {permissions: manifest.permissions}
+                                       {permissions: manifest.permissions, 
+                                                services: manifest.services}
                                ).then(onWAMPSessionChallengedCB, onWAMPSessionAuthErrorCB);
                else
                        cloudeebus.wampSession.authreq().then(function() {
@@ -164,20 +167,13 @@ cloudeebus.BusConnection.prototype.getObject = function(busName, objectPath, int
 
 cloudeebus.BusConnection.prototype.addService = function(serviceName) {
        var self = this;
-       
+
        var promise = new cloudeebus.Promise(function (resolver) {
                var cloudeebusService = new cloudeebus.Service(self.wampSession, self, serviceName);
        
                function ServiceAddedSuccessCB(serviceName) {
-                       try { // calling dbus hook object function for un-translated types
-                               cloudeebusService.isCreated = true;
-                               resolver.fulfill(cloudeebusService, true);
-                       }
-                       catch (e) {
-                               var errorStr = cloudeebus.getError(e);
-                               cloudeebus.log("Method callback exception: " + errorStr);
-                               resolver.reject(errorStr, true);
-                       }               
+                       cloudeebusService.isCreated = true;
+                       resolver.fulfill(cloudeebusService, true);
                }
                
                function ServiceAddedErrorCB(error) {
@@ -200,18 +196,30 @@ cloudeebus.BusConnection.prototype.addService = function(serviceName) {
 
 
 
+/******************************************************************************
+ * Copyright 2012 - 2013 Intel Corporation.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *****************************************************************************/
+
+
+
 /*****************************************************************************/
-//Generic definition for an agent. An agent needs :
-//srvDbusName : the DBus parent service
-//objPath : a DBus path to access it
-//jsHdl : a Javascript handler to process methods, 
-//xml : the xml which describe interface/methods/signals...
-cloudeebus.Agent = function(srvDbusName, objPath, jsHdl, xml) {
-       this.srvName = srvDbusName;
-       this.registered = false;
+
+cloudeebus.Agent = function(objectPath, handler, xml) {
        this.xml = xml;
-       this.objectPath = objPath;
-       this.jsHdl = jsHdl;
+       this.objectPath = objectPath;
+       this.handler = handler;
        return this;
 };
 
@@ -231,26 +239,12 @@ cloudeebus.Service.prototype.remove = function() {
        
        var promise = new cloudeebus.Promise(function (resolver) {
                function ServiceRemovedSuccessCB(serviceName) {
-                       try {
-                               resolver.fulfill(serviceName, true);
-                       }
-                       catch (e) {
-                               var errorStr = cloudeebus.getError(e);
-                               cloudeebus.log("Method callback exception: " + errorStr);
-                               resolver.reject(errorStr, true);
-                       }               
+                       resolver.fulfill(serviceName, true);
                }
                
                function ServiceRemovedErrorCB(error) {
                        var errorStr = cloudeebus.getError(error);
-                       cloudeebus.log("Error removing service : " + self.name + ", error: " + errorStr);
-                       self.promise.resolver.reject(errorStr, true);
-               }
-               
-               for (var idx in self.agents) {
-                       if (self.agents[idx]) {
-                               self.removeAgent(self.agents[idx]);
-                       }
+                       resolver.reject(errorStr, true);
                }
                
                var arglist = [
@@ -287,19 +281,19 @@ cloudeebus.Service.prototype._addMethod = function(ifName, method, agent) {
 
        var service = this;
        var methodId = this.name + "#" + agent.objectPath + "#" + ifName + "#" + method;
-       var funcToCall = this._searchMethod(ifName, method, agent.jsHdl);
+       var funcToCall = this._searchMethod(ifName, method, agent.handler);
 
        if (funcToCall == null)
                cloudeebus.log("Method " + method + " doesn't exist in Javascript object");
        else {
-               agent.jsHdl.wrapperFunc[method] = function() {
+               agent.handler.wrapperFunc[method] = function() {
                        var result;
                        var methodId = arguments[0];
                        var callDict = {};
                        // affectation of callDict in eval, otherwise dictionary(='{}') interpreted as block of code by eval
                        eval("callDict = " + arguments[1]);
                        try {
-                               result = funcToCall.apply(agent.jsHdl, callDict.args);
+                               result = funcToCall.apply(agent.handler, callDict.args);
                                service._returnMethod(methodId, callDict.callIndex, true, result);
                        }
                        catch (e) {
@@ -308,32 +302,25 @@ cloudeebus.Service.prototype._addMethod = function(ifName, method, agent) {
                                service._returnMethod(methodId, callDict.callIndex, false, errorStr);
                        }
                };
-               agent.jsHdl.methodId[agent.objectPath].push(methodId);
-               this.wampSession.subscribe(methodId, agent.jsHdl.wrapperFunc[method]);
+               agent.handler.methodId[agent.objectPath].push(methodId);
+               this.wampSession.subscribe(methodId, agent.handler.wrapperFunc[method]);
        }
 };
 
 
 cloudeebus.Service.prototype._addSignal = function(ifName, signal, agent) {
        var service = this;
-       var methodExist = false;
 
-       if (agent.jsHdl.interfaceProxies && agent.jsHdl.interfaceProxies[ifName])
-               if (agent.jsHdl.interfaceProxies[ifName][signal]) {
-                       methodExist = true;
-               } else {
-                       agent.jsHdl.interfaceProxies[ifName][signal] = function() {
-                               service._emitSignal(agent.objectPath, signal, arguments[0]);
-                       };
-               return;
-       }
-               
-       if ((agent.jsHdl[signal] == undefined || agent.jsHdl[signal] == null) && !methodExist) 
-               agent.jsHdl[signal] = function() {
-                       service._emitSignal(agent.objectPath, signal, arguments[0]);
+       if (agent.handler[signal])
+               cloudeebus.log("Signal '" + signal + "' emitter already implemented");
+       else {
+               agent.handler[signal] = function() {
+                       var args = [];
+                       for (var i=0; i < arguments.length; i++ )
+                               args.push(arguments[i]);
+                       service._emitSignal(agent.objectPath, signal, args);
                };
-       else
-               cloudeebus.log("Can not create new method to emit signal '" + signal + "' in object JS this method already exist!");
+       }
 };
 
 
@@ -342,9 +329,9 @@ cloudeebus.Service.prototype._createWrapper = function(agent) {
        var parser = new DOMParser();
        var xmlDoc = parser.parseFromString(agent.xml, "text/xml");
        var ifXml = xmlDoc.getElementsByTagName("interface");
-       agent.jsHdl.wrapperFunc = [];
-       agent.jsHdl.methodId = [];
-       agent.jsHdl.methodId[agent.objectPath] = [];
+       agent.handler.wrapperFunc = {};
+       agent.handler.methodId = {};
+       agent.handler.methodId[agent.objectPath] = [];
        for (var i=0; i < ifXml.length; i++) {
                var ifName = ifXml[i].attributes.getNamedItem("name").value;
                var ifChild = ifXml[i].firstChild;
@@ -368,36 +355,27 @@ cloudeebus.Service.prototype.addAgent = function(agent) {
        
        var promise = new cloudeebus.Promise(function (resolver) {
                function ServiceAddAgentSuccessCB(objPath) {
-                       try { // calling dbus hook object function for un-translated types
-                               self.agents.push(agent);
-                               agent.registered = true;
-                               var result = [ objPath ];
-                               resolver.fulfill(result[0], true);
+                       self.agents.push(agent);
+                       try {
+                               self._createWrapper(agent);
                        }
                        catch (e) {
                                var errorStr = cloudeebus.getError(e);
-                               cloudeebus.log("Method callback exception: " + errorStr);
+                               cloudeebus.log("Exception creating agent wrapper " + agent.objectPath + " : " + errorStr);
                                resolver.reject(errorStr, true);
+                               return;
                        }               
+                       resolver.fulfill(objPath, true);
                }
                
                function ServiceAddAgenterrorCB(error) {
                        var errorStr = cloudeebus.getError(error);
                        cloudeebus.log("Error adding agent : " + agent.objectPath + ", error: " + errorStr);
-                       self.promise.resolver.reject(errorStr, true);
-               }
-               
-               try {
-                       self._createWrapper(agent);
-               }
-               catch (e) {
-                       var errorStr = cloudeebus.getError(e);
-                       cloudeebus.log("Exception creating agent wrapper " + agent.objectPath + " : " + errorStr);
                        resolver.reject(errorStr, true);
-                       return;
                }
                
                var arglist = [
+                   self.name,
                    agent.objectPath,
                    agent.xml
                    ];
@@ -411,56 +389,44 @@ cloudeebus.Service.prototype.addAgent = function(agent) {
 
 
 cloudeebus.Service.prototype._deleteWrapper = function(agent) {
-       var objJs = agent.jsHdl;
+       var objJs = agent.handler;
        if (objJs.methodId[agent.objectPath]) {
-               for (var idx in objJs.methodId[agent.objectPath]) {
+               while (objJs.methodId[agent.objectPath].length) {
                        try {
-                               cloudeebus.log("unsubscribe " + objJs.methodId[agent.objectPath][idx]);
-                               this.wampSession.unsubscribe(objJs.methodId[agent.objectPath][idx]);
-                               objJs.methodId[agent.objectPath][idx] = null;
+                               this.wampSession.unsubscribe( objJs.methodId[agent.objectPath].pop() );
                        }
                        catch (e) {
                                cloudeebus.log("Unsubscribe error: " + cloudeebus.getError(e));
                        }
                }
-               delete objJs.methodId[agent.objectPath];
+               objJs.methodId[agent.objectPath] = null;
        }
 };
 
 
-cloudeebus.Service.prototype.removeAgent = function(rmAgent, successCB, errorCB) {
+cloudeebus.Service.prototype.removeAgent = function(rmAgent) {
        var self = this;
        
        var promise = new cloudeebus.Promise(function (resolver) {
-               function ServiceRemoveAgentSuccessCB(agent) {
-                       try { // calling dbus hook object function for un-translated types
-                               self.agents.push(agent);
-                               agent.registered = true;
-                               var result = [ agent ];
-                               resolver.fulfill(result[0], true);
-                       }
-                       catch (e) {
-                               var errorStr = cloudeebus.getError(e);
-                               cloudeebus.log("Method callback exception: " + errorStr);
-                               resolver.reject(errorStr, true);
-                       }               
+               function ServiceRemoveAgentSuccessCB(objectPath) {
+                       // Searching agent in list
+                       for (var idx in self.agents)
+                               if (self.agents[idx].objectPath == objectPath) {
+                                       agent = self.agents[idx];
+                                       break;
+                               }
+                                       
+                       self.agents.splice(idx, 1);
+                       self._deleteWrapper(agent);
+                       resolver.fulfill(agent, true);
                }
 
                function ServiceRemoveAgentErrorCB(error) {
                        var errorStr = cloudeebus.getError(error);
                        cloudeebus.log("Error removing agent : " + rmAgent.objectPath + ", error: " + errorStr);
-                       self.promise.resolver.reject(errorStr, true);
+                       resolver.reject(errorStr, true);
                }
 
-               try {
-                       self._deleteWrapper(rmAgent);
-               }
-               catch (e) {
-                       var errorStr = cloudeebus.getError(e);
-                       cloudeebus.log("Exception removing wrapper of agent " + rmAgent.objectPath + " : " + errorStr);
-                       errorCB(errorStr);
-               }
-               
                var arglist = [
                    rmAgent.objectPath
                    ];
@@ -485,11 +451,11 @@ cloudeebus.Service.prototype._returnMethod = function(methodId, callIndex, succe
 };
 
 
-cloudeebus.Service.prototype._emitSignal = function(objectPath, signalName, result, successCB, errorCB) {
+cloudeebus.Service.prototype._emitSignal = function(objectPath, signalName, args, successCB, errorCB) {
        var arglist = [
            objectPath,
            signalName,
-           result
+           JSON.stringify(args)
            ];
 
        this.wampSession.call("emitSignal", arglist).then(successCB, errorCB);
@@ -497,6 +463,24 @@ cloudeebus.Service.prototype._emitSignal = function(objectPath, signalName, resu
 
 
 
+/******************************************************************************
+ * Copyright 2012 - 2013 Intel Corporation.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *****************************************************************************/
+
+
+
 /*****************************************************************************/
 
 function _processWrappers(wrappers, value) {
@@ -508,8 +492,10 @@ function _processWrappers(wrappers, value) {
 function _processWrappersAsync(wrappers, value) {
        var taskid = -1;
        function processAsyncOnce() {
-               _processWrappers(wrappers, value);
+               if (!wrappers.processed)
+                       _processWrappers(wrappers, value);
                clearInterval(taskid);
+               wrappers.processed = true;
        }
        taskid = setInterval(processAsyncOnce, 200);
 }
@@ -699,7 +685,7 @@ cloudeebus.Promise.any = function() {
                resolver.resolve(undefined, true);
        else
                for (i in arguments) 
-                       Promise.resolve(arguments[i]).appendWrappers(fulfillCallback,rejectCallback);
+                       cloudeebus.Promise.resolve(arguments[i]).appendWrappers(fulfillCallback,rejectCallback);
        return promise;
 };
 
@@ -724,7 +710,7 @@ cloudeebus.Promise.every = function() {
                                        resolver.resolve(args, true);
                        };
                        index++;
-                       Promise.resolve(arguments[i]).appendWrappers(fulfillCallback,rejectCallback);
+                       cloudeebus.Promise.resolve(arguments[i]).appendWrappers(fulfillCallback,rejectCallback);
                }
        
        return promise;
@@ -751,7 +737,7 @@ cloudeebus.Promise.some = function() {
                                        resolver.reject(args, true);
                        };
                        index++;
-                       Promise.resolve(arguments[i]).appendWrappers(fulfillCallback,rejectCallback);
+                       cloudeebus.Promise.resolve(arguments[i]).appendWrappers(fulfillCallback,rejectCallback);
                }
        
        return promise;
@@ -759,6 +745,24 @@ cloudeebus.Promise.some = function() {
 
 
 
+/******************************************************************************
+ * Copyright 2012 - 2013 Intel Corporation.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *****************************************************************************/
+
+
+
 /*****************************************************************************/
 
 cloudeebus.ProxyObject = function(session, busConnection, busName, objectPath) {
@@ -767,6 +771,7 @@ cloudeebus.ProxyObject = function(session, busConnection, busName, objectPath) {
        this.busName = busName; 
        this.objectPath = objectPath; 
        this.interfaceProxies = {};
+       this.childNodeNames = [];
        return this;
 };
 
@@ -804,6 +809,10 @@ cloudeebus.ProxyObject.prototype._introspect = function(successCB, errorCB) {
        function introspectSuccessCB(str) {
                var parser = new DOMParser();
                var xmlDoc = parser.parseFromString(str, "text/xml");
+               var nodes = xmlDoc.getElementsByTagName("node");
+               // first node is the parent/head node
+               for(var i=1; i < nodes.length; i++)
+                       self.childNodeNames.push(nodes[i].getAttribute("name"));
                var interfaces = xmlDoc.getElementsByTagName("interface");
                self.propInterfaces = [];
                var supportDBusProperties = false;
@@ -942,7 +951,7 @@ cloudeebus.ProxyObject.prototype.connectToSignal = function(ifName, signal, hand
                var errorStr = cloudeebus.getError(error);
                cloudeebus.log("Error connecting to signal: " + signal + " on object: " + self.objectPath + " : " + errorStr);
                if (errorCB)
-                       errorCB(cloudeebus.getError(errorStr));
+                       errorCB(errorStr);
        }
 
        var arglist = [