/// <summary> /// Run the client stress op which stresses the bus attachment in a client type /// configuration which find the well-known service name and calls the 'cat' /// method /// </summary> /// <param name="isMultipoint">True if operation uses multipoint sessions</param> private void RunClient(bool isMultipoint) { try { ClientBusListener clientBusListener = new ClientBusListener(this.busAtt, this, this.foundName); this.busAtt.FindAdvertisedName(ServiceName); this.DebugPrint("Looking for WKN : " + ServiceName); this.foundName.WaitOne(12000); SessionOpts optsIn = new SessionOpts( TrafficType.TRAFFIC_MESSAGES, isMultipoint, ProximityType.PROXIMITY_ANY, TransportMaskType.TRANSPORT_ANY); SessionOpts[] optsOut = new SessionOpts[1]; Task <JoinSessionResult> joinTask = this.busAtt.JoinSessionAsync( this.DiscoveredName, ServicePort, (SessionListener)clientBusListener, optsIn, optsOut, null).AsTask <JoinSessionResult>(); joinTask.Wait(); JoinSessionResult joinResult = joinTask.Result; QStatus status = joinResult.Status; ProxyBusObject proxyBusObj = null; if (QStatus.ER_OK == status) { this.DebugPrint("JoinSession with " + this.DiscoveredName + " was successful (sessionId=" + joinResult.SessionId + ")"); proxyBusObj = new ProxyBusObject(this.busAtt, this.DiscoveredName, ServicePath, joinResult.SessionId); Task <IntrospectRemoteObjectResult> introTask = proxyBusObj.IntrospectRemoteObjectAsync(null).AsTask <IntrospectRemoteObjectResult>(); introTask.Wait(); IntrospectRemoteObjectResult introResult = introTask.Result; status = introResult.Status; if (QStatus.ER_OK == status) { this.DebugPrint("Introspection of the service was successfull"); MsgArg hello = new MsgArg("s", new object[] { "Hello " }); MsgArg world = new MsgArg("s", new object[] { "World!" }); InterfaceMember catMethod = proxyBusObj.GetInterface(InterfaceName).GetMethod("cat"); byte flags = (byte)0; Task <MethodCallResult> catTask = proxyBusObj.MethodCallAsync(catMethod, new MsgArg[] { hello, world }, null, 5000, flags).AsTask <MethodCallResult>(); catTask.Wait(); MethodCallResult catResult = catTask.Result; if (catResult.Message.Type == AllJoynMessageType.MESSAGE_METHOD_RET) { this.DebugPrint(this.DiscoveredName + ".cat ( path=" + ServicePath + ") returned \"" + catResult.Message.GetArg(0).Value.ToString() + "\""); } else { this.DebugPrint("Method call on " + this.DiscoveredName + ".cat failed (ReturnType=" + catResult.Message.Type.ToString() + ")"); } } else { this.DebugPrint("Introspection was unsuccessful: " + status.ToString()); } } else { this.DebugPrint("Join Session was unsuccessful: " + status.ToString()); } this.busAtt.CancelFindAdvertisedName(ServiceName); this.busAtt.UnregisterBusListener(clientBusListener); this.DebugPrint("Successfully unraveled the client operation"); } catch (ArgumentNullException ex) { this.DebugPrint(">>>> TIMEOUT, Client could not find WKN >>>>"); } catch (Exception ex) { var errMsg = AllJoynException.GetErrorMessage(ex.HResult); this.DebugPrint(">>>> Client Execution Error >>>> " + errMsg); } }
/// <summary> /// Connects to the bus, finds the service and sets the 'name' property to the value /// specified by the user. /// </summary> /// <param name="sender">UI control which signaled the click event.</param> /// <param name="e">Arguments associated with the click event.</param> private void Button_RunNameChangeClient(object sender, RoutedEventArgs e) { if (this.TextBox_Input.Text == string.Empty) { this.OutputLine("You must provide an argument to run Name Change Client!"); } if (!runningClient && this.TextBox_Input.Text != string.Empty) { string newName = this.TextBox_Input.Text; Task task = new Task(async() => { try { runningClient = true; busAtt = new BusAttachment("NameChangeApp", true, 4); OutputLine("BusAttachment Created."); NameChangeBusListener busListener = new NameChangeBusListener(busAtt, foundNameEvent); busAtt.RegisterBusListener(busListener); OutputLine("BusListener Registered."); /* Create and register the bundled daemon. The client process connects to daemon over tcp connection */ busAtt.Start(); await busAtt.ConnectAsync(NameChangeGlobals.ConnectSpec); OutputLine("Bundled Daemon Registered."); OutputLine("BusAttachment Connected to " + NameChangeGlobals.ConnectSpec + "."); busAtt.FindAdvertisedName(NameChangeGlobals.WellKnownServiceName); foundNameEvent.WaitOne(); /* Configure session properties and request a session with device with wellKnownName */ SessionOpts sOpts = new SessionOpts( NameChangeGlobals.SessionProps.TrType, NameChangeGlobals.SessionProps.IsMultiPoint, NameChangeGlobals.SessionProps.PrType, NameChangeGlobals.SessionProps.TmType); SessionOpts[] sOptsOut = new SessionOpts[1]; JoinSessionResult joinResults = await busAtt.JoinSessionAsync( NameChangeGlobals.WellKnownServiceName, NameChangeGlobals.SessionProps.SessionPort, busListener, sOpts, sOptsOut, null); QStatus status = joinResults.Status; if (QStatus.ER_OK == status) { this.OutputLine("Join Session was successful (sessionId=" + joinResults.SessionId + ")."); } else { this.OutputLine("Join Session was unsuccessful."); } ProxyBusObject pbo = new ProxyBusObject(busAtt, NameChangeGlobals.WellKnownServiceName, NameChangeGlobals.ServicePath, sessionId); if (QStatus.ER_OK == status) { IntrospectRemoteObjectResult introResult = await pbo.IntrospectRemoteObjectAsync(null); status = introResult.Status; if (QStatus.ER_OK == status) { this.OutputLine("Introspection of the service object was successful."); } else { this.OutputLine("Introspection of the service object was unsuccessful."); } } if (QStatus.ER_OK == status) { object[] obj = new object[] { newName }; MsgArg msg = new MsgArg("s", obj); SetPropertyResult setResult = await pbo.SetPropertyAsync(NameChangeGlobals.InterfaceName, "name", msg, null, 2000); } TearDown(); } catch (Exception ex) { QStatus s = AllJoynException.GetErrorCode(ex.HResult); OutputLine("Error: " + ex.ToString()); runningClient = false; } }); task.Start(); } }
/// <summary> /// Connects to the bus, finds the service and calls the 'cat' with the two /// arguments "Hello " and "World!" /// </summary> /// <param name="sender">UI control which signaled the click event</param> /// <param name="e">arguments associated with the click event</param> private void Button_RunClick(object sender, RoutedEventArgs e) { if (!runningClient) { Task task = new Task(async() => { try { runningClient = true; busAtt = new BusAttachment("ClientApp", true, 4); this.OutputLine("BusAttachment Created."); BasicClientBusListener basicClientBusListener = new BasicClientBusListener(busAtt, foundNameEvent); busAtt.RegisterBusListener(basicClientBusListener); this.OutputLine("BusListener Registered."); /* Create and register the bundled daemon. The client process connects to daemon over tcp connection */ busAtt.Start(); await busAtt.ConnectAsync(BasicClientGlobals.ConnectSpec); this.OutputLine("Bundled Daemon Registered."); this.OutputLine("BusAttachment Connected to " + BasicClientGlobals.ConnectSpec + "."); busAtt.FindAdvertisedName(BasicClientGlobals.WellKnownServiceName); foundNameEvent.WaitOne(); /* Configure session properties and request a session with device with wellKnownName */ SessionOpts sessionOpts = new SessionOpts( BasicClientGlobals.SessionProps.TrType, BasicClientGlobals.SessionProps.IsMultiPoint, BasicClientGlobals.SessionProps.PrType, BasicClientGlobals.SessionProps.TmType); SessionOpts[] sOptsOut = new SessionOpts[1]; JoinSessionResult joinResults = await busAtt.JoinSessionAsync( BasicClientGlobals.WellKnownServiceName, BasicClientGlobals.SessionProps.SessionPort, basicClientBusListener, sessionOpts, sOptsOut, null); QStatus status = joinResults.Status; if (QStatus.ER_OK != status) { this.OutputLine("Joining a session with the Service was unsuccessful."); } else { this.OutputLine("Join Session was successful (sessionId=" + joinResults.SessionId + ")."); } // Create the proxy for the service interface by introspecting the service bus object ProxyBusObject proxyBusObject = new ProxyBusObject(busAtt, BasicClientGlobals.WellKnownServiceName, BasicClientGlobals.ServicePath, 0); if (QStatus.ER_OK == status) { IntrospectRemoteObjectResult introResult = await proxyBusObject.IntrospectRemoteObjectAsync(null); status = introResult.Status; if (QStatus.ER_OK != status) { this.OutputLine("Introspection of the service bus object failed."); } else { this.OutputLine("Introspection of the service bus object was successful."); } } if (QStatus.ER_OK == status) { // Call 'cat' method with the two string to be concatenated ("Hello" and " World!") MsgArg[] catMe = new MsgArg[2]; catMe[0] = new MsgArg("s", new object[] { "Hello" }); catMe[1] = new MsgArg("s", new object[] { " World!" }); InterfaceDescription interfaceDescription = proxyBusObject.GetInterface(BasicClientGlobals.InterfaceName); InterfaceMember interfaceMember = interfaceDescription.GetMember("cat"); this.OutputLine("Calling the 'cat' method of the service with args 'Hello' and ' World!'"); MethodCallResult callResults = await proxyBusObject.MethodCallAsync(interfaceMember, catMe, null, 100000, 0); Message msg = callResults.Message; if (msg.Type == AllJoynMessageType.MESSAGE_METHOD_RET) { string strRet = msg.GetArg(0).Value as string; this.OutputLine("Sender '" + msg.Sender + "' returned the value '" + strRet + "'"); } else { this.OutputLine("The 'cat' method call produced errors of type: " + msg.Type.ToString()); } } TearDown(); } catch (Exception ex) { QStatus s = AllJoynException.GetErrorCode(ex.HResult); } }); task.Start(); } }