Generic definition of an Agent renamed cloudeebus.Agent
[contrib/cloudeebus.git] / cloudeebus / cloudeebus.js
index 4273179..f147ac4 100644 (file)
@@ -29,7 +29,7 @@ var dbus = { // hook object for dbus types not translated by python-json
 /*****************************************************************************/
 
 var cloudeebus = window.cloudeebus = {
-               version: "0.5.0",
+               version: "0.5.1",
                minVersion: "0.3.2"
 };
 
@@ -44,6 +44,19 @@ cloudeebus.reset = function() {
 cloudeebus.log = function(msg) { 
 };
 
+cloudeebus.getError = function(error) {
+       if (error.desc && error.uri)
+               return error.desc + " : " + error.uri;
+       if (error.desc)
+               return error.desc;
+       if (error.uri)
+               return error.uri;
+       if (error.name && error.message)
+               return error.name + " : " + error.message;
+       if (error.message)
+               return error.message;
+       return error;
+};
 
 cloudeebus.versionCheck = function(version) {
        var ver = version.split(".");
@@ -76,9 +89,10 @@ cloudeebus.connect = function(uri, manifest, successCB, errorCB) {
        }
        
        function onWAMPSessionAuthErrorCB(error) {
-               cloudeebus.log("Authentication error: " + error.desc);
+               var errorStr = cloudeebus.getError(error);
+               cloudeebus.log("Authentication error: " + errorStr);
                if (errorCB)
-                       errorCB(error.desc);
+                       errorCB(errorStr);
        }
        
        function onWAMPSessionAuthenticatedCB(permissions) {
@@ -151,29 +165,30 @@ cloudeebus.BusConnection.prototype.getObject = function(busName, objectPath, int
 cloudeebus.BusConnection.prototype.addService = function(serviceName) {
        var self = this;
        
-       var future = new cloudeebus.Future(function (resolver) {
+       var promise = new cloudeebus.Promise(function (resolver) {
          cloudeebusService = new cloudeebus.Service(self.wampSession, self, serviceName);
        
          function busServiceAddedSuccessCB(service) {
                  try {
                          service.isCreated = true;
                          var result = [cloudeebusService];
-                         resolver.accept(result[0], true);
+                         resolver.fulfill(result[0], true);
                  }
                  catch (e) {
-                         cloudeebus.log("Method callback exception: " + e);
-                         resolver.reject(e, true);
+                         var errorStr = cloudeebus.getError(e);
+                         cloudeebus.log("Method callback exception: " + errorStr);
+                         resolver.reject(errorStr, true);
                  }             
          }
        
          function busServiceErrorSuccessCB(error) {
-                 resolver.reject(error, true);
+                 resolver.reject(cloudeebus.getError(error), true);
          }
        
          cloudeebusService.add(this).then(busServiceAddedSuccessCB, busServiceErrorSuccessCB);
        });
        
-       return future;
+       return promise;
 };
 
 cloudeebus.BusConnection.prototype.removeService = function(serviceName, successCB, errorCB) {
@@ -198,7 +213,7 @@ cloudeebus.BusConnection.prototype.removeService = function(serviceName, success
 //objPath : a DBus path to access it
 //jsHdl : a Javascript handler to process methods, 
 //xml : the xml which describe interface/methods/signals...
-Agent = function(srvDbusName, objPath, jsHdl, xml) {
+cloudeebus.Agent = function(srvDbusName, objPath, jsHdl, xml) {
        this.srvName = srvDbusName;
        this.registered = false;
        this.xml = xml;
@@ -216,25 +231,27 @@ cloudeebus.Service = function(session, busConnection, name) {
        return this;
 };
 
-cloudeebus.Service.prototype.add = function(future) {
+cloudeebus.Service.prototype.add = function(promise) {
        var self = this;
-       self.future = future;
-       var resolver = self.future.resolver;
+       self.promise = promise;
+       var resolver = self.promise.resolver;
        
        function ServiceAddedSuccessCB(serviceName) {
                try { // calling dbus hook object function for un-translated types
                        var result = [self];
-                       resolver.accept(result[0], true);
+                       resolver.fulfill(result[0], true);
                }
                catch (e) {
-                       cloudeebus.log("Method callback exception: " + e);
-                       resolver.reject(e, true);
+                       var errorStr = cloudeebus.getError(e);
+                       cloudeebus.log("Method callback exception: " + errorStr);
+                       resolver.reject(errorStr, true);
                }               
        }
        
        function ServiceAddedErrorCB(error) {
-               cloudeebus.log("Error adding service method: " + self.name + ", error: " + error.desc);
-               self.future.resolver.reject(error.desc, true);
+               var errorStr = cloudeebus.getError(error);
+               cloudeebus.log("Error adding service method: " + self.name + ", error: " + errorStr);
+               self.promise.resolver.reject(errorStr, true);
        }
 
        var arglist = [
@@ -244,7 +261,7 @@ cloudeebus.Service.prototype.add = function(future) {
 
        // call dbusSend with bus type, destination, object, message and arguments
        this.wampSession.call("serviceAdd", arglist).then(ServiceAddedSuccessCB, ServiceAddedErrorCB);
-       return future;
+       return promise;
 };
 
 cloudeebus.Service.prototype.remove = function(successCB, errorCB) {
@@ -254,7 +271,7 @@ cloudeebus.Service.prototype.remove = function(successCB, errorCB) {
                                successCB(serviceName);
                        }
                        catch (e) {
-                               alert("Exception removing service " + serviceName + " : " + e);
+                               alert("Exception removing service " + serviceName + " : " + cloudeebus.getError(e));
                        }
                }
        }
@@ -304,8 +321,9 @@ cloudeebus.Service.prototype._addMethod = function(ifName, method, agent) {
                                service._returnMethod(methodId, callDict.callIndex, true, result);
                        }
                        catch (e) {
-                               cloudeebus.log("Method " + ifName + "." + method + " call on " + agent.objectPath + " exception: " + e);
-                               service._returnMethod(methodId, callDict.callIndex, false, e.message);
+                               var errorStr = cloudeebus.getError(e);
+                               cloudeebus.log("Method " + ifName + "." + method + " call on " + agent.objectPath + " exception: " + errorStr);
+                               service._returnMethod(methodId, callDict.callIndex, false, errorStr);
                        }
                };
                agent.jsHdl.methodId[agent.objectPath].push(methodId);
@@ -330,7 +348,7 @@ cloudeebus.Service.prototype._addSignal = function(ifName, signal, agent) {
                
        if ((agent.jsHdl[signal] == undefined || agent.jsHdl[signal] == null) && !methodExist) 
                agent.jsHdl[signal] = function() {
-                       service.emitSignal(agent.objectPath, signal, arguments[0]);
+                       service._emitSignal(agent.objectPath, signal, arguments[0]);
                };
        else
                cloudeebus.log("Can not create new method to emit signal '" + signal + "' in object JS this method already exist!");
@@ -354,7 +372,7 @@ cloudeebus.Service.prototype._createWrapper = function(agent) {
                        }
                        if (ifChild.nodeName == "signal") {
                                var metName = ifChild.attributes.getNamedItem("name").value;
-                               self._addSignal(objectPath, ifName, metName, objectJS);
+                               self._addSignal(ifName, metName, agent);
                        }
                        ifChild = ifChild.nextSibling;
                }
@@ -368,7 +386,7 @@ cloudeebus.Service.prototype.addAgent = function(agent, successCB, errorCB) {
                                successCB(objPath);
                        }
                        catch (e) {
-                               alert("Exception adding agent " + agent.objectPath + " : " + e);
+                               alert("Exception adding agent " + agent.objectPath + " : " + cloudeebus.getError(e));
                        }
                }
        }
@@ -377,8 +395,9 @@ cloudeebus.Service.prototype.addAgent = function(agent, successCB, errorCB) {
                this._createWrapper(agent);
        }
        catch (e) {
-               alert("Exception creating agent wrapper " + agent.objectPath + " : " + e);
-               errorCB(e);
+               var errorStr = cloudeebus.getError(e);
+               alert("Exception creating agent wrapper " + agent.objectPath + " : " + errorStr);
+               errorCB(errorStr);
                return;
        }
        
@@ -392,7 +411,6 @@ cloudeebus.Service.prototype.addAgent = function(agent, successCB, errorCB) {
 };
 
 cloudeebus.Service.prototype._deleteWrapper = function(agent) {
-       var self = this;
        var objJs = agent.jsHdl;
        if (objJs.methodId[agent.objectPath]) {
                for (var idx in objJs.methodId[agent.objectPath]) {
@@ -402,7 +420,7 @@ cloudeebus.Service.prototype._deleteWrapper = function(agent) {
                                objJs.methodId[agent.objectPath][idx] = null;
                        }
                        catch (e) {
-                               cloudeebus.log("Unsubscribe error: " + e);
+                               cloudeebus.log("Unsubscribe error: " + cloudeebus.getError(e));
                        }
                }
                delete objJs.methodId[agent.objectPath];
@@ -416,8 +434,9 @@ cloudeebus.Service.prototype.delAgent = function(rmAgent, successCB, errorCB) {
                                successCB(agent);
                        }
                        catch (e) {
-                               alert("Exception deleting agent " + rmAgent.objectPath + " : " + e);
-                               errorCB(e);
+                               var errorStr = cloudeebus.getError(e);
+                               alert("Exception deleting agent " + rmAgent.objectPath + " : " + errorStr);
+                               errorCB(errorStr);
                        }
                }
        }
@@ -426,8 +445,9 @@ cloudeebus.Service.prototype.delAgent = function(rmAgent, successCB, errorCB) {
                this._deleteWrapper(rmAgent);
        }
        catch (e) {
-               alert("Exception deleting agent wrapper " + rmAgent.objectPath + " : " + e);
-               errorCB(e);
+               var errorStr = cloudeebus.getError(e);
+               alert("Exception deleting agent wrapper " + rmAgent.objectPath + " : " + errorStr);
+               errorCB(errorStr);
        }
        
        var arglist = [
@@ -460,162 +480,6 @@ cloudeebus.Service.prototype._emitSignal = function(objectPath, signalName, resu
 };
 
 
-/*****************************************************************************/
-
-function _processWrappers(wrappers, value) {
-       for (var i=0; i<wrappers.length; i++)
-               wrappers[i](value);
-}
-
-
-function _processWrappersAsync(wrappers, value) {
-       var taskid = -1;
-       function processAsyncOnce() {
-               _processWrappers(wrappers, value);
-               clearInterval(taskid);
-       }
-       taskid = setInterval(processAsyncOnce, 200);
-}
-
-
-
-/*****************************************************************************/
-
-cloudeebus.FutureResolver = function(future) {
-       this.future = future;
-       this.resolved = null;
-    return this;
-};
-
-
-cloudeebus.FutureResolver.prototype.resolve = function(value, sync) {
-       if (this.resolved)
-               return;
-       
-       var then = (value && value.then && value.then.apply) ? value.then : null;
-       if (then) {
-               var self = this;                
-               var acceptCallback = function(arg) {
-                       self.resolve(arg, true);
-               };      
-               var rejectCallback = function(arg) {
-                       self.reject(arg, true);
-               };
-               try {
-                       then.apply(value, [acceptCallback, rejectCallback]);
-               }
-               catch (e) {
-                       this.reject(e, true);
-               }
-       }
-       
-       this.accept(value, sync);
-};
-
-
-cloudeebus.FutureResolver.prototype.accept = function(value, sync) {
-       if (this.resolved)
-               return;
-       
-       var future = this.future;
-       future.state = "accepted";
-       future.result = value;
-       
-       this.resolved = true;
-       if (sync)
-               _processWrappers(future._acceptWrappers, value);
-       else
-               _processWrappersAsync(future._acceptWrappers, value);
-};
-
-
-cloudeebus.FutureResolver.prototype.reject = function(value, sync) {
-       if (this.resolved)
-               return;
-       
-       var future = this.future;
-       future.state = "rejected";
-       future.result = value;
-       
-       this.resolved = true;
-       if (sync)
-               _processWrappers(future._rejectWrappers, value);
-       else
-               _processWrappersAsync(future._rejectWrappers, value);
-};
-
-
-
-/*****************************************************************************/
-
-cloudeebus.Future = function(init) {
-       this.state = "pending";
-       this.result = null;
-       this._acceptWrappers = [];
-       this._rejectWrappers = [];
-       this.resolver = new cloudeebus.FutureResolver(this);
-       if (init) {
-               try {
-                       init.apply(this, [this.resolver]);
-               }
-               catch (e) {
-                       this.resolver.reject(e, true);
-               }
-       }
-    return this;
-};
-
-
-cloudeebus.Future.prototype.appendWrappers = function(acceptWrapper, rejectWrapper) {
-       this._acceptWrappers.push(acceptWrapper);
-       this._rejectWrappers.push(rejectWrapper);
-       if (this.state == "accepted")
-               _processWrappersAsync(this._acceptWrappers, this.result);
-       if (this.state == "rejected")
-               _processWrappersAsync(this._rejectWrappers, this.result);
-};
-
-
-cloudeebus.Future.prototype.then = function(acceptCB, rejectCB) {
-       var future = new cloudeebus.Future();
-       var resolver = future.resolver;
-       var acceptWrapper, rejectWrapper;
-       
-       if (acceptCB)
-               acceptWrapper = function(arg) {
-                       try {
-                               var value = acceptCB.apply(future, [arg]);
-                               resolver.resolve(value, true);
-                       }
-                       catch (e) {
-                               resolver.reject(e, true);
-                       }
-               };
-       else
-               acceptWrapper = function(arg) {
-                       resolver.accept(arg, true);
-               };
-       
-       if (rejectCB)
-               rejectWrapper = function(arg) {
-                       try {
-                               var value = rejectCB.apply(future, [arg]);
-                               resolver.resolve(value, true);
-                       }
-                       catch (e) {
-                               resolver.reject(e, true);
-                       }
-               };
-       else
-               rejectWrapper = function(arg) {
-                       resolver.reject(arg, true);
-               };
-       
-       this.appendWrappers(acceptWrapper,rejectWrapper);
-       return future;
-};
-
-
 
 /*****************************************************************************/
 
@@ -638,131 +502,131 @@ function _processWrappersAsync(wrappers, value) {
 
 /*****************************************************************************/
 
-cloudeebus.FutureResolver = function(future) {
-       this.future = future;
+cloudeebus.PromiseResolver = function(promise) {
+       this.promise = promise;
        this.resolved = null;
     return this;
 };
 
 
-cloudeebus.FutureResolver.prototype.resolve = function(value, sync) {
+cloudeebus.PromiseResolver.prototype.resolve = function(value, sync) {
        if (this.resolved)
                return;
        
        var then = (value && value.then && value.then.apply) ? value.then : null;
        if (then) {
                var self = this;                
-               var acceptCallback = function(arg) {
+               var fulfillCallback = function(arg) {
                        self.resolve(arg, true);
                };      
                var rejectCallback = function(arg) {
                        self.reject(arg, true);
                };
                try {
-                       then.apply(value, [acceptCallback, rejectCallback]);
+                       then.apply(value, [fulfillCallback, rejectCallback]);
                }
                catch (e) {
-                       this.reject(e, true);
+                       this.reject(cloudeebus.getError(e), true);
                }
        }
        
-       this.accept(value, sync);
+       this.fulfill(value, sync);
 };
 
 
-cloudeebus.FutureResolver.prototype.accept = function(value, sync) {
+cloudeebus.PromiseResolver.prototype.fulfill = function(value, sync) {
        if (this.resolved)
                return;
        
-       var future = this.future;
-       future.state = "accepted";
-       future.result = value;
+       var promise = this.promise;
+       promise.state = "fulfilled";
+       promise.result = value;
        
        this.resolved = true;
        if (sync)
-               _processWrappers(future._acceptWrappers, value);
+               _processWrappers(promise._fulfillWrappers, value);
        else
-               _processWrappersAsync(future._acceptWrappers, value);
+               _processWrappersAsync(promise._fulfillWrappers, value);
 };
 
 
-cloudeebus.FutureResolver.prototype.reject = function(value, sync) {
+cloudeebus.PromiseResolver.prototype.reject = function(value, sync) {
        if (this.resolved)
                return;
        
-       var future = this.future;
-       future.state = "rejected";
-       future.result = value;
+       var promise = this.promise;
+       promise.state = "rejected";
+       promise.result = value;
        
        this.resolved = true;
        if (sync)
-               _processWrappers(future._rejectWrappers, value);
+               _processWrappers(promise._rejectWrappers, value);
        else
-               _processWrappersAsync(future._rejectWrappers, value);
+               _processWrappersAsync(promise._rejectWrappers, value);
 };
 
 
 
 /*****************************************************************************/
 
-cloudeebus.Future = function(init) {
+cloudeebus.Promise = function(init) {
        this.state = "pending";
        this.result = null;
-       this._acceptWrappers = [];
+       this._fulfillWrappers = [];
        this._rejectWrappers = [];
-       this.resolver = new cloudeebus.FutureResolver(this);
+       this.resolver = new cloudeebus.PromiseResolver(this);
        if (init) {
                try {
                        init.apply(this, [this.resolver]);
                }
                catch (e) {
-                       this.resolver.reject(e, true);
+                       this.resolver.reject(cloudeebus.getError(e), true);
                }
        }
     return this;
 };
 
 
-cloudeebus.Future.prototype.appendWrappers = function(acceptWrapper, rejectWrapper) {
-       if (acceptWrapper)
-               this._acceptWrappers.push(acceptWrapper);
+cloudeebus.Promise.prototype.appendWrappers = function(fulfillWrapper, rejectWrapper) {
+       if (fulfillWrapper)
+               this._fulfillWrappers.push(fulfillWrapper);
        if (rejectWrapper)
                this._rejectWrappers.push(rejectWrapper);
-       if (this.state == "accepted")
-               _processWrappersAsync(this._acceptWrappers, this.result);
+       if (this.state == "fulfilled")
+               _processWrappersAsync(this._fulfillWrappers, this.result);
        if (this.state == "rejected")
                _processWrappersAsync(this._rejectWrappers, this.result);
 };
 
 
-cloudeebus.Future.prototype.then = function(acceptCB, rejectCB) {
-       var future = new cloudeebus.Future();
-       var resolver = future.resolver;
-       var acceptWrapper, rejectWrapper;
+cloudeebus.Promise.prototype.then = function(fulfillCB, rejectCB) {
+       var promise = new cloudeebus.Promise();
+       var resolver = promise.resolver;
+       var fulfillWrapper, rejectWrapper;
        
-       if (acceptCB)
-               acceptWrapper = function(arg) {
+       if (fulfillCB)
+               fulfillWrapper = function(arg) {
                        try {
-                               var value = acceptCB.apply(future, [arg]);
+                               var value = fulfillCB.apply(promise, [arg]);
                                resolver.resolve(value, true);
                        }
                        catch (e) {
-                               resolver.reject(e, true);
+                               resolver.reject(cloudeebus.getError(e), true);
                        }
                };
        else
-               acceptWrapper = function(arg) {
-                       resolver.accept(arg, true);
+               fulfillWrapper = function(arg) {
+                       resolver.fulfill(arg, true);
                };
        
        if (rejectCB)
                rejectWrapper = function(arg) {
                        try {
-                               var value = rejectCB.apply(future, [arg]);
+                               var value = rejectCB.apply(promise, [arg]);
                                resolver.resolve(value, true);
                        }
                        catch (e) {
-                               resolver.reject(e, true);
+                               resolver.reject(cloudeebus.getError(e), true);
                        }
                };
        else
@@ -770,46 +634,46 @@ cloudeebus.Future.prototype.then = function(acceptCB, rejectCB) {
                        resolver.reject(arg, true);
                };
        
-       this.appendWrappers(acceptWrapper,rejectWrapper);
-       return future;
+       this.appendWrappers(fulfillWrapper,rejectWrapper);
+       return promise;
 };
 
 
-cloudeebus.Future.prototype["catch"] = function(rejectCB) {
+cloudeebus.Promise.prototype["catch"] = function(rejectCB) {
        return this.then(undefined,rejectCB);
 };
 
 
-cloudeebus.Future.prototype.done = function(acceptCB, rejectCB) {
-       this.appendWrappers(acceptCB,rejectCB);
+cloudeebus.Promise.prototype.done = function(fulfillCB, rejectCB) {
+       this.appendWrappers(fulfillCB,rejectCB);
 };
 
 
-cloudeebus.Future.resolve = function(value) {
-       var future = new cloudeebus.Future();
-       future.resolver.resolve(value);
-       return future;
+cloudeebus.Promise.resolve = function(value) {
+       var promise = new cloudeebus.Promise();
+       promise.resolver.resolve(value);
+       return promise;
 };
 
 
-cloudeebus.Future.accept = function(value) {
-       var future = new cloudeebus.Future();
-       future.resolver.accept(value);
-       return future;
+cloudeebus.Promise.fulfill = function(value) {
+       var promise = new cloudeebus.Promise();
+       promise.resolver.fulfill(value);
+       return promise;
 };
 
 
-cloudeebus.Future.reject = function(value) {
-       var future = new cloudeebus.Future();
-       future.resolver.reject(value);
-       return future;
+cloudeebus.Promise.reject = function(value) {
+       var promise = new cloudeebus.Promise();
+       promise.resolver.reject(value);
+       return promise;
 };
 
 
-cloudeebus.Future.any = function() {
-       var future = new cloudeebus.Future();
-       var resolver = future.resolver;
-       var acceptCallback = function(arg) {
+cloudeebus.Promise.any = function() {
+       var promise = new cloudeebus.Promise();
+       var resolver = promise.resolver;
+       var fulfillCallback = function(arg) {
                resolver.resolve(arg, true);
        };
        var rejectCallback = function(arg) {
@@ -819,14 +683,14 @@ cloudeebus.Future.any = function() {
                resolver.resolve(undefined, true);
        else
                for (i in arguments) 
-                       Future.resolve(arguments[i]).appendWrappers(acceptCallback,rejectCallback);
-       return future;
+                       Promise.resolve(arguments[i]).appendWrappers(fulfillCallback,rejectCallback);
+       return promise;
 };
 
 
-cloudeebus.Future.every = function() {
-       var future = new cloudeebus.Future();
-       var resolver = future.resolver;
+cloudeebus.Promise.every = function() {
+       var promise = new cloudeebus.Promise();
+       var resolver = promise.resolver;
        var index = 0;
        var countdown = arguments.length;
        var args = new Array(countdown);
@@ -837,27 +701,27 @@ cloudeebus.Future.every = function() {
                resolver.resolve(undefined, true);
        else
                for (i in arguments) {
-                       var acceptCallback = function(arg) {
+                       var fulfillCallback = function(arg) {
                                args[index] = arg;
                                countdown--;
                                if (countdown == 0)
                                        resolver.resolve(args, true);
                        };
                        index++;
-                       Future.resolve(arguments[i]).appendWrappers(acceptCallback,rejectCallback);
+                       Promise.resolve(arguments[i]).appendWrappers(fulfillCallback,rejectCallback);
                }
        
-       return future;
+       return promise;
 };
 
 
-cloudeebus.Future.some = function() {
-       var future = new cloudeebus.Future();
-       var resolver = future.resolver;
+cloudeebus.Promise.some = function() {
+       var promise = new cloudeebus.Promise();
+       var resolver = promise.resolver;
        var index = 0;
        var countdown = arguments.length;
        var args = new Array(countdown);
-       var acceptCallback = function(arg) {
+       var fulfillCallback = function(arg) {
                resolver.resolve(arg, true);
        };
        if (arguments.length == 0)
@@ -871,10 +735,10 @@ cloudeebus.Future.some = function() {
                                        resolver.reject(args, true);
                        };
                        index++;
-                       Future.resolve(arguments[i]).appendWrappers(acceptCallback,rejectCallback);
+                       Promise.resolve(arguments[i]).appendWrappers(fulfillCallback,rejectCallback);
                }
        
-       return future;
+       return promise;
 };
 
 
@@ -995,21 +859,23 @@ cloudeebus.ProxyObject.prototype.callMethod = function(ifName, method, args, sig
        
        var self = this;
        
-       var future = new cloudeebus.Future(function (resolver) {
+       var promise = new cloudeebus.Promise(function (resolver) {
                function callMethodSuccessCB(str) {
                        try { // calling dbus hook object function for un-translated types
                                var result = eval(str);
-                               resolver.accept(result[0], true);
+                               resolver.fulfill(result[0], true);
                        }
                        catch (e) {
-                               cloudeebus.log("Method callback exception: " + e);
-                               resolver.reject(e, true);
+                               var errorStr = cloudeebus.getError(e);
+                               cloudeebus.log("Method callback exception: " + errorStr);
+                               resolver.reject(errorStr, true);
                        }
                }
 
                function callMethodErrorCB(error) {
-                       cloudeebus.log("Error calling method: " + method + " on object: " + self.objectPath + " : " + error.desc);
-                       resolver.reject(error.desc, true);
+                       var errorStr = cloudeebus.getError(error);
+                       cloudeebus.log("Error calling method: " + method + " on object: " + self.objectPath + " : " + errorStr);
+                       resolver.reject(errorStr, true);
                }
 
                var arglist = [
@@ -1025,23 +891,24 @@ cloudeebus.ProxyObject.prototype.callMethod = function(ifName, method, args, sig
                self.wampSession.call("dbusSend", arglist).then(callMethodSuccessCB, callMethodErrorCB);
        });
        
-       return future;
+       return promise;
 };
 
 
-cloudeebus.ProxyObject.prototype.connectToSignal = function(ifName, signal, successCB, errorCB) {
+cloudeebus.ProxyObject.prototype.connectToSignal = function(ifName, signal, handlerCB, errorCB) {
        
        var self = this; 
 
        function signalHandler(id, data) {
-               if (successCB) {
+               if (handlerCB) {
                        try { // calling dbus hook object function for un-translated types
-                               successCB.apply(self, eval(data));
+                               handlerCB.apply(self, eval(data));
                        }
                        catch (e) {
-                               cloudeebus.log("Signal handler exception: " + e);
+                               var errorStr = cloudeebus.getError(e);
+                               cloudeebus.log("Signal handler exception: " + errorStr);
                                if (errorCB)
-                                       errorCB(e);
+                                       errorCB(errorStr);
                        }
                }
        }
@@ -1051,14 +918,15 @@ cloudeebus.ProxyObject.prototype.connectToSignal = function(ifName, signal, succ
                        self.wampSession.subscribe(str, signalHandler);
                }
                catch (e) {
-                       cloudeebus.log("Subscribe error: " + e);
+                       cloudeebus.log("Subscribe error: " + cloudeebus.getError(e));
                }
        }
 
        function connectToSignalErrorCB(error) {
-               cloudeebus.log("Error connecting to signal: " + signal + " on object: " + self.objectPath + " : " + error.desc);
+               var errorStr = cloudeebus.getError(error);
+               cloudeebus.log("Error connecting to signal: " + signal + " on object: " + self.objectPath + " : " + errorStr);
                if (errorCB)
-                       errorCB(error.desc);
+                       errorCB(cloudeebus.getError(errorStr));
        }
 
        var arglist = [
@@ -1079,6 +947,6 @@ cloudeebus.ProxyObject.prototype.disconnectSignal = function(ifName, signal) {
                this.wampSession.unsubscribe(this.busConnection.name + "#" + this.busName + "#" + this.objectPath + "#" + ifName + "#" + signal);
        }
        catch (e) {
-               cloudeebus.log("Unsubscribe error: " + e);
+               cloudeebus.log("Unsubscribe error: " + cloudeebus.getError(e));
        }
 };