/// <summary>
/// Stop this client from using the AllJoyn bus.
/// </summary>
internal void Stop()
{
if (null != this.Bus)
{
this.Bus.UnregisterBusListener(this.Listeners);
}
this.ProxyObject = null;
this.Listeners = null;
this.Bus = null;
App.OutputLine("Client has been stopped.");
}
public void AddMethodHandlerTest()
{
BusAttachment service = new BusAttachment("methodhandler", true, 4);
MethodHandlerBusObject busObj = new MethodHandlerBusObject(service, "/handlertest");
service.Start();
service.ConnectAsync(connectSpec).AsTask().Wait();
SessionPortListener spl = new SessionPortListener(service);
spl.AcceptSessionJoiner += new SessionPortListenerAcceptSessionJoinerHandler((ushort sessionPort, string joiner, SessionOpts opts) =>
{
Assert.AreEqual(33, sessionPort);
return true;
});
service.RequestName("org.alljoyn.methodhandlertest", (byte)RequestNameType.DBUS_NAME_DO_NOT_QUEUE);
service.BindSessionPort(33, new ushort[1], new SessionOpts(TrafficType.TRAFFIC_MESSAGES, false,
ProximityType.PROXIMITY_ANY, TransportMaskType.TRANSPORT_ANY), spl);
service.AdvertiseName("org.alljoyn.methodhandlertest", TransportMaskType.TRANSPORT_ANY);
BusAttachment client = new BusAttachment("methodcaller", true, 4);
BusListener bl = new BusListener(client);
client.RegisterBusListener(bl);
bl.FoundAdvertisedName += new BusListenerFoundAdvertisedNameHandler(
(string name, TransportMaskType transport, string namePrefix) =>
{
foundMethodObjectName.Set();
});
client.Start();
client.ConnectAsync(connectSpec).AsTask().Wait();
client.FindAdvertisedName("org.alljoyn.methodhandlertest");
foundMethodObjectName.WaitOne();
Task<JoinSessionResult> joinTask = client.JoinSessionAsync("org.alljoyn.methodhandlertest", 33, new SessionListener(client),
new SessionOpts(TrafficType.TRAFFIC_MESSAGES, false, ProximityType.PROXIMITY_ANY, TransportMaskType.TRANSPORT_ANY), new SessionOpts[1], null).AsTask<JoinSessionResult>();
joinTask.Wait();
Assert.IsTrue(QStatus.ER_OK == joinTask.Result.Status);
ProxyBusObject proxy = new ProxyBusObject(client, "org.alljoyn.methodhandlertest", "/handlertest", joinTask.Result.SessionId);
Task<IntrospectRemoteObjectResult> introTask = proxy.IntrospectRemoteObjectAsync(null).AsTask<IntrospectRemoteObjectResult>();
introTask.Wait();
Assert.IsTrue(QStatus.ER_OK == introTask.Result.Status);
MsgArg[] args1 = new MsgArg[2];
args1[0] = new MsgArg("s", new object[] { "one" });
args1[1] = new MsgArg("s", new object[] { "two" });
Task<MethodCallResult> catTask = proxy.MethodCallAsync(service.GetInterface("org.alljoyn.methodhandler").GetMethod("cat"),
args1, null, 60000, (byte)0).AsTask<MethodCallResult>();
catTask.Wait();
Assert.IsTrue(AllJoynMessageType.MESSAGE_METHOD_RET == catTask.Result.Message.Type);
Assert.AreEqual("onetwo", catTask.Result.Message.GetArg(0).Value.ToString());
// Check BUGBUG above
//MsgArg[] args2 = new MsgArg[1];
//args2[0] = new MsgArg("s", new object[] { "hello" });
//Task<MethodCallResult> sayHiTask = proxy.MethodCallAsync(service.GetInterface("org.alljoyn.methodhandler").GetMethod("sayhi"),
// args2, null, 60000, (byte)0).AsTask<MethodCallResult>();
//sayHiTask.Wait();
//Assert.IsTrue(AllJoynMessageType.MESSAGE_METHOD_RET == sayHiTask.Result.Message.Type);
//Assert.AreEqual("aloha", sayHiTask.Result.Message.GetArg(0).Value.ToString());
// TODO: add another method call that test function with signature MethodReply(AllJoyn.Message msg, string error, string errorMessage)
}
/// <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);
}
}
public void AddMethodHandlerTest()
{
BusAttachment service = new BusAttachment("methodhandler", true, 4);
MethodHandlerBusObject busObj = new MethodHandlerBusObject(service, "/handlertest");
service.Start();
service.ConnectAsync(connectSpec).AsTask().Wait();
SessionPortListener spl = new SessionPortListener(service);
spl.AcceptSessionJoiner += new SessionPortListenerAcceptSessionJoinerHandler((ushort sessionPort, string joiner, SessionOpts opts) =>
{
Assert.AreEqual(33, sessionPort);
return(true);
});
service.RequestName("org.alljoyn.methodhandlertest", (byte)RequestNameType.DBUS_NAME_DO_NOT_QUEUE);
service.BindSessionPort(33, new ushort[1], new SessionOpts(TrafficType.TRAFFIC_MESSAGES, false,
ProximityType.PROXIMITY_ANY, TransportMaskType.TRANSPORT_ANY), spl);
service.AdvertiseName("org.alljoyn.methodhandlertest", TransportMaskType.TRANSPORT_ANY);
BusAttachment client = new BusAttachment("methodcaller", true, 4);
BusListener bl = new BusListener(client);
client.RegisterBusListener(bl);
bl.FoundAdvertisedName += new BusListenerFoundAdvertisedNameHandler(
(string name, TransportMaskType transport, string namePrefix) =>
{
foundMethodObjectName.Set();
});
client.Start();
client.ConnectAsync(connectSpec).AsTask().Wait();
client.FindAdvertisedName("org.alljoyn.methodhandlertest");
foundMethodObjectName.WaitOne();
Task <JoinSessionResult> joinTask = client.JoinSessionAsync("org.alljoyn.methodhandlertest", 33, new SessionListener(client),
new SessionOpts(TrafficType.TRAFFIC_MESSAGES, false, ProximityType.PROXIMITY_ANY, TransportMaskType.TRANSPORT_ANY), new SessionOpts[1], null).AsTask <JoinSessionResult>();
joinTask.Wait();
Assert.IsTrue(QStatus.ER_OK == joinTask.Result.Status);
ProxyBusObject proxy = new ProxyBusObject(client, "org.alljoyn.methodhandlertest", "/handlertest", joinTask.Result.SessionId);
Task <IntrospectRemoteObjectResult> introTask = proxy.IntrospectRemoteObjectAsync(null).AsTask <IntrospectRemoteObjectResult>();
introTask.Wait();
Assert.IsTrue(QStatus.ER_OK == introTask.Result.Status);
MsgArg[] args1 = new MsgArg[2];
args1[0] = new MsgArg("s", new object[] { "one" });
args1[1] = new MsgArg("s", new object[] { "two" });
Task <MethodCallResult> catTask = proxy.MethodCallAsync(service.GetInterface("org.alljoyn.methodhandler").GetMethod("cat"),
args1, null, 60000, (byte)0).AsTask <MethodCallResult>();
catTask.Wait();
Assert.IsTrue(AllJoynMessageType.MESSAGE_METHOD_RET == catTask.Result.Message.Type);
Assert.AreEqual("onetwo", catTask.Result.Message.GetArg(0).Value.ToString());
// Check BUGBUG above
//MsgArg[] args2 = new MsgArg[1];
//args2[0] = new MsgArg("s", new object[] { "hello" });
//Task<MethodCallResult> sayHiTask = proxy.MethodCallAsync(service.GetInterface("org.alljoyn.methodhandler").GetMethod("sayhi"),
// args2, null, 60000, (byte)0).AsTask<MethodCallResult>();
//sayHiTask.Wait();
//Assert.IsTrue(AllJoynMessageType.MESSAGE_METHOD_RET == sayHiTask.Result.Message.Type);
//Assert.AreEqual("aloha", sayHiTask.Result.Message.GetArg(0).Value.ToString());
// TODO: add another method call that test function with signature MethodReply(AllJoyn.Message msg, string error, string errorMessage)
}
private async void Result_AboutAnnounced(object sender, AboutListener.AboutAnnouncedEventArgs e)
{
Log.WriteLine($"\tFrom bus :{e.BusName}");
Log.WriteLine($"\tAbout version {e.Version}");
Log.WriteLine($"\tSessionPort {e.Port}");
Log.WriteLine($"\tObjectDescription:");
foreach (var path in e.ObjectDescription.Paths)
{
Log.WriteLine($"\t\t{path}");
var interfaces = e.ObjectDescription.GetInterfaces(path);
foreach (var i in interfaces)
{
Log.WriteLine($"\t\t\t" + i);
}
}
Log.WriteLine($"\tAboutData:");
PrintAboutData(e.AboutData, null, 2);
Log.WriteLine("*********************************************************************************");
var session = new Session(TrafficType.Messages, false, Proximity.Any, Transport.Any);
clientBus.EnableConcurrentCallbacks();
var sessionId = clientBus.JoinSession(e.BusName, e.Port, null, session);
if (sessionId != 0)
{
var aboutProxy = new AboutProxy(clientBus, e.BusName, sessionId);
Log.WriteLine("*********************************************************************************");
Log.WriteLine("AboutProxy.GetObjectDescription:");
var aod2 = aboutProxy.ObjectDescription;
foreach (var path in aod2.Paths)
{
Log.WriteLine($"\t\t{path}");
foreach (var i in aod2.GetInterfaces(path))
{
Log.WriteLine($"\t\t\t{i}");
}
}
Log.WriteLine("*********************************************************************************");
Log.WriteLine("AboutProxy.GetAboutData: (Default Language)");
using (
var aboutData = aboutProxy.GetAboutData("en"))
{
PrintAboutData(aboutData, "en", 1);
var langs = aboutData.SupportedLanguages;
if (langs.Length > 1)
{
var dlang = aboutData.DefaultLanguage;
foreach (var lang in langs)
{
if (lang == dlang)
{
continue;
}
using (var data = aboutProxy.GetAboutData(lang))
{
PrintAboutData(data, lang, 1);
}
}
}
}
Log.WriteLine("*********************************************************************************");
Log.WriteLine($"AboutProxy.GetVersion {aboutProxy.Version}");
Log.WriteLine("*********************************************************************************");
string[] paths = e.ObjectDescription.GetInterfacePaths(INTERFACE_NAME);
var proxyObject = new ProxyBusObject(clientBus, e.BusName, paths[0], session);
proxyObject.IntrospectRemoteObject();
var arg = new MsgArg("ECHO Echo echo...\n");
//var replyMsg = proxyObject.MethodCall(clientBus, INTERFACE_NAME, "Echo", arg, 1, TimeSpan.FromMilliseconds(25000));
var replyMsg = await proxyObject.MethodCallAsync(serviceBus, INTERFACE_NAME, "Echo", arg, 1, TimeSpan.FromMilliseconds(25000));
//
var msg = replyMsg.GetArgument(0);
Log.WriteLine($"Echo method reply: {ArgValueToString(msg)}");
}
Log.WriteLine("*********************************************************************************");
}
/// <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 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>
/// 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>
/// This method is called when the advertised name is found.
/// </summary>
/// <param name="wellKnownName">A well known name that the remote bus is advertising.</param>
/// <param name="transportMask">Transport that received the advertisement.</param>
/// <param name="namePrefix">The well-known name prefix used in call to FindAdvertisedName that triggered this callback.</param>
private async void FoundAdvertisedName(string wellKnownName, TransportMaskType transportMask, string namePrefix)
{
if (!string.IsNullOrEmpty(wellKnownName) && wellKnownName.CompareTo(App.ServiceName) == 0)
{
string foundIt = string.Format(
"Client found advertised name '{0}' on {1}.",
wellKnownName,
transportMask.ToString());
App.OutputLine(foundIt);
// We found a remote bus that is advertising the well-known name so connect to it.
bool result = await this.JoinSessionAsync();
if (result)
{
InterfaceDescription secureInterface = this.Bus.GetInterface(App.InterfaceName);
this.ProxyObject = new ProxyBusObject(this.Bus, App.ServiceName, App.ServicePath, 0);
this.ProxyObject.AddInterface(secureInterface);
MsgArg[] inputs = new MsgArg[1];
inputs[0] = new MsgArg("s", new object[] { "Client says Hello AllJoyn!" });
MethodCallResult callResults = null;
try
{
callResults = await this.ProxyObject.MethodCallAsync(App.InterfaceName, "Ping", inputs, null, 5000, 0);
}
catch (Exception ex)
{
const string ErrorFormat =
"ProxyObject.MethodCallAsync(\"Ping\") call produced error(s). QStatus = 0x{0:X} ('{1}').";
QStatus status = AllJoynException.GetErrorCode(ex.HResult);
string error = string.Format(ErrorFormat, status, status.ToString());
System.Diagnostics.Debug.WriteLine(error);
App.OutputLine(error);
}
if (callResults != null)
{
Message mess = callResults.Message;
AllJoynMessageType messType = mess.Type;
if (messType == AllJoynMessageType.MESSAGE_METHOD_RET)
{
string strRet = mess.GetArg(0).Value as string;
if (!string.IsNullOrEmpty(strRet))
{
string output = string.Format(
"{0}.Ping (path = {1}) returned \"{2}\"",
App.InterfaceName,
App.ServicePath,
strRet);
App.OutputLine(output);
}
else
{
const string Error =
"Error: Server returned null or empty string in response to ping.";
App.OutputLine(Error);
System.Diagnostics.Debug.WriteLine(Error);
}
}
else
{
string error =
string.Format("Server returned message of type '{0}'.", messType.ToString());
App.OutputLine(error);
System.Diagnostics.Debug.WriteLine(error);
}
}
}
}
}
/// <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();
}
}
/// <summary>
/// This method is called when the advertised name is found.
/// </summary>
/// <param name="wellKnownName">A well known name that the remote bus is advertising.</param>
/// <param name="transportMask">Transport that received the advertisement.</param>
/// <param name="namePrefix">The well-known name prefix used in call to FindAdvertisedName that triggered this callback.</param>
private async void FoundAdvertisedName(string wellKnownName, TransportMaskType transportMask, string namePrefix)
{
if (!string.IsNullOrEmpty(wellKnownName) && wellKnownName.CompareTo(App.ServiceName) == 0)
{
string foundIt = string.Format(
"Client found advertised name '{0}' on {1}.",
wellKnownName,
transportMask.ToString());
App.OutputLine(foundIt);
// We found a remote bus that is advertising the well-known name so connect to it.
bool result = await this.JoinSessionAsync();
if (result)
{
InterfaceDescription secureInterface = this.Bus.GetInterface(App.InterfaceName);
this.ProxyObject = new ProxyBusObject(this.Bus, App.ServiceName, App.ServicePath, 0);
this.ProxyObject.AddInterface(secureInterface);
MsgArg[] inputs = new MsgArg[1];
inputs[0] = new MsgArg("s", new object[] { "Client says Hello AllJoyn!" });
MethodCallResult callResults = null;
try
{
callResults = await this.ProxyObject.MethodCallAsync(App.InterfaceName, "Ping", inputs, null, 5000, 0);
}
catch (Exception ex)
{
const string ErrorFormat =
"ProxyObject.MethodCallAsync(\"Ping\") call produced error(s). QStatus = 0x{0:X} ('{1}').";
QStatus status = AllJoynException.GetErrorCode(ex.HResult);
string error = string.Format(ErrorFormat, status, status.ToString());
System.Diagnostics.Debug.WriteLine(error);
App.OutputLine(error);
}
if (callResults != null)
{
Message mess = callResults.Message;
AllJoynMessageType messType = mess.Type;
if (messType == AllJoynMessageType.MESSAGE_METHOD_RET)
{
string strRet = mess.GetArg(0).Value as string;
if (!string.IsNullOrEmpty(strRet))
{
string output = string.Format(
"{0}.Ping (path = {1}) returned \"{2}\"",
App.InterfaceName,
App.ServicePath,
strRet);
App.OutputLine(output);
}
else
{
const string Error =
"Error: Server returned null or empty string in response to ping.";
App.OutputLine(Error);
System.Diagnostics.Debug.WriteLine(Error);
}
}
else
{
string error =
string.Format("Server returned message of type '{0}'.", messType.ToString());
App.OutputLine(error);
System.Diagnostics.Debug.WriteLine(error);
}
}
}
}
}
/// <summary>
/// Stop this client from using the AllJoyn bus.
/// </summary>
internal void Stop()
{
if (null != this.Bus)
{
this.Bus.UnregisterBusListener(this.Listeners);
}
this.ProxyObject = null;
this.Listeners = null;
this.Bus = null;
App.OutputLine("Client has been stopped.");
}
/// <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();
}
}