public async Task BindToGlobalEventAsync()
{
#region Code snippet
// Create client
Pusher pusher = new Pusher(Config.AppKey, new PusherOptions
{
Authorizer = new FakeAuthoriser(),
Cluster = Config.Cluster,
});
pusher.Error += ErrorHandler;
// Global event listener
void GlobalListener(string eventName, PusherEvent eventData)
{
if (eventName == "client-chat-event")
{
ChatMessage data = JsonConvert.DeserializeObject <ChatMessage>(eventData.Data);
Trace.TraceInformation($"Message from '{data.Name}': {data.Message}");
}
}
// Bind global event listener
pusher.BindAll(GlobalListener);
// Unbind global event listener
pusher.Unbind(GlobalListener);
// Unbind all event listeners associated with the Pusher client
pusher.UnbindAll();
#endregion Code snippet
await pusher.DisconnectAsync().ConfigureAwait(false);
}
protected override async Task Run()
{
_pusher.ConnectionStateChanged += (_, state) =>
{
_logger.Information("Pusher connection state changed: {PusherConnectionState}", state);
};
_pusher.Subscribed += (_, channel) =>
{
_logger.Information("Pusher subscribed to channel: {PusherChannelName}", channel.Name);
};
await _pusher.ConnectAsync();
await Task.WhenAll(
_pusher.SubscribeAsync("sim-data"),
_pusher.SubscribeAsync("temporal"),
_pusher.SubscribeAsync("ticker")
);
_pusher.BindAll(GlobalHandler);
_pusher.Bind("sim-data", WrapHandler(SimDataHandler));
_pusher.Bind("temporal-message", WrapHandler(TemporalHandler));
_pusher.Bind("ticker-message", WrapHandler(TickerHandler));
_pusher.Bind("game-data", WrapHandler(GameDataHandler));
// Wait forever
await SubscribeLoop();
}
public async Task PusherEventEmitterPrivateEncryptedChannelTestAsync()
{
// Arrange
byte[] encryptionKey = GenerateEncryptionMasterKey();
var pusherServer = new PusherServer.Pusher(Config.AppId, Config.AppKey, Config.AppSecret, new PusherServer.PusherOptions
{
Cluster = Config.Cluster,
EncryptionMasterKey = encryptionKey,
});
ChannelTypes channelType = ChannelTypes.PrivateEncrypted;
Pusher localPusher = PusherFactory.GetPusher(channelType: ChannelTypes.Presence, saveTo: _clients, encryptionKey: encryptionKey);
string testEventName = "private-encrypted-event-test";
AutoResetEvent globalEventReceived = new AutoResetEvent(false);
AutoResetEvent channelEventReceived = new AutoResetEvent(false);
PusherEvent globalEvent = null;
PusherEvent channelEvent = null;
PusherEvent pusherEvent = CreatePusherEvent(channelType, testEventName);
await localPusher.ConnectAsync().ConfigureAwait(false);
Channel localChannel = await localPusher.SubscribeAsync(pusherEvent.ChannelName).ConfigureAwait(false);
void GeneralListener(string eventName, PusherEvent eventData)
{
if (eventName == testEventName)
{
globalEvent = eventData;
globalEventReceived.Set();
}
}
void Listener(PusherEvent eventData)
{
channelEvent = eventData;
channelEventReceived.Set();
}
EventTestData data = new EventTestData
{
TextField = ExpectedTextField,
IntegerField = ExpectedIntegerField,
};
// Act
localPusher.BindAll(GeneralListener);
localChannel.Bind(testEventName, Listener);
await pusherServer.TriggerAsync(pusherEvent.ChannelName, testEventName, data).ConfigureAwait(false);
// Assert
Assert.IsTrue(globalEventReceived.WaitOne(TimeSpan.FromSeconds(5)));
Assert.IsTrue(channelEventReceived.WaitOne(TimeSpan.FromSeconds(5)));
AssertPusherEventsAreEqual(channelType, pusherEvent, globalEvent);
AssertPusherEventsAreEqual(channelType, pusherEvent, channelEvent);
}
private async Task DynamicEventEmitterTestAsync(ChannelTypes channelType)
{
// Arrange
Pusher localPusher = PusherFactory.GetPusher(channelType: ChannelTypes.Presence, saveTo: _clients);
string testEventName = "client-dynamic-event-test";
AutoResetEvent globalEventReceived = new AutoResetEvent(false);
AutoResetEvent channelEventReceived = new AutoResetEvent(false);
dynamic globalEvent = null;
dynamic channelEvent = null;
dynamic dynamicEventData = CreateDynamicEventData();
string channelName = ChannelNameFactory.CreateUniqueChannelName(channelType: channelType);
await localPusher.ConnectAsync().ConfigureAwait(false);
Channel remoteChannel = await _remoteClient.SubscribeAsync(channelName).ConfigureAwait(false);
Channel localChannel = await localPusher.SubscribeAsync(channelName).ConfigureAwait(false);
void GeneralListener(string eventName, dynamic eventData)
{
if (eventName == testEventName)
{
globalEvent = eventData;
globalEventReceived.Set();
}
}
void Listener(dynamic eventData)
{
channelEvent = eventData;
channelEventReceived.Set();
}
// Act
localPusher.BindAll(GeneralListener);
localChannel.Bind(testEventName, Listener);
remoteChannel.Trigger(testEventName, dynamicEventData);
// Assert
Assert.IsTrue(globalEventReceived.WaitOne(TimeSpan.FromSeconds(5)));
Assert.IsTrue(channelEventReceived.WaitOne(TimeSpan.FromSeconds(5)));
ValidateDynamicEvent(channelName, testEventName, globalEvent);
ValidateDynamicEvent(channelName, testEventName, channelEvent);
}
// Pusher Initiation / Connection
private static async Task InitPusher()
{
_pusher = new Pusher(Config.AppKey, new PusherOptions
{
Authorizer = new HttpAuthorizer("http://localhost:8888/auth/" + HttpUtility.UrlEncode(_name)),
Cluster = Config.Cluster,
Encrypted = Config.Encrypted,
TraceLogger = new TraceLogger(),
});
_pusher.ConnectionStateChanged += PusherConnectionStateChanged;
_pusher.Error += PusherError;
// Setup private channel
string privateChannelName = "private-channel";
_pusher.Subscribed += (sender, channel) =>
{
if (channel.Name == privateChannelName)
{
string message = $"{Environment.NewLine}Hi {_name}! Type 'quit' to exit, otherwise type anything to chat!{Environment.NewLine}";
Console.WriteLine(message);
}
};
// Setup presence channel
string presenceChannelName = "presence-channel";
_pusher.Subscribed += (sender, channel) =>
{
if (channel.Name == presenceChannelName)
{
ListMembers();
}
};
// Setup private encrypted channel
void GeneralListener(string eventName, PusherEvent eventData)
{
if (eventName == "secret-event")
{
ChatMessage data = JsonConvert.DeserializeObject <ChatMessage>(eventData.Data);
Console.WriteLine($"{Environment.NewLine}[{data.Name}] {data.Message}");
}
}
void DecryptionErrorHandler(object sender, PusherException error)
{
if (error is ChannelDecryptionException exception)
{
string errorMsg = $"{Environment.NewLine}Decryption of message failed";
errorMsg += $" for ('{exception.ChannelName}',";
errorMsg += $" '{exception.EventName}', ";
errorMsg += $" '{exception.SocketID}')";
errorMsg += $" for reason:{Environment.NewLine}{error.Message}";
Console.WriteLine(errorMsg);
}
}
_pusher.Error += DecryptionErrorHandler;
_pusher.BindAll(GeneralListener);
_pusher.Connected += (sender) =>
{
/*
* Setting up subscriptions here is handy if your App has the following setting -
* "Enable authorized connections". See https://pusher.com/docs/channels/using_channels/authorized-connections.
* If your auth server is not running it will attempt to reconnect approximately every 30 seconds in an attempt to authenticate.
* Try running the ExampleApplication and entering your name without running the AuthHost.
* You will see it try to authenticate every 30 seconds.
* Then run the AuthHost and see the ExampleApplication recover.
* Try this experiment again with multiple ExampleApplication instances running.
*/
// Subscribe to private channel
try
{
_chatChannel = _pusher.SubscribeAsync(privateChannelName).Result;
}
catch (ChannelUnauthorizedException unauthorizedException)
{
// Handle the authorization failure - forbidden (403)
Console.WriteLine($"Authorization failed for {unauthorizedException.ChannelName}. {unauthorizedException.Message}");
}
_chatChannel.Bind("client-my-event", (PusherEvent eventData) =>
{
ChatMessage data = JsonConvert.DeserializeObject <ChatMessage>(eventData.Data);
Console.WriteLine($"{Environment.NewLine}[{data.Name}] {data.Message}");
});
// Subscribe to presence channel
try
{
_presenceChannel = (GenericPresenceChannel <ChatMember>)(_pusher.SubscribePresenceAsync <ChatMember>(presenceChannelName).Result);
}
catch (ChannelUnauthorizedException unauthorizedException)
{
// Handle the authorization failure - forbidden (403)
Console.WriteLine($"Authorization failed for {unauthorizedException.ChannelName}. {unauthorizedException.Message}");
}
_presenceChannel.MemberAdded += PresenceChannel_MemberAdded;
_presenceChannel.MemberRemoved += PresenceChannel_MemberRemoved;
// Subcribe to private encrypted channel
try
{
_pusher.SubscribeAsync("private-encrypted-channel").Wait();
}
catch (ChannelUnauthorizedException unauthorizedException)
{
// Handle the authorization failure - forbidden (403)
Console.WriteLine($"Authorization failed for {unauthorizedException.ChannelName}. {unauthorizedException.Message}");
}
};
await _pusher.ConnectAsync().ConfigureAwait(false);
}
private async Task DynamicEventEmitterUnbindTestAsync(ChannelTypes channelType, IList <int> listenersToUnbind)
{
// Arrange
Pusher localPusher = PusherFactory.GetPusher(channelType: ChannelTypes.Presence, saveTo: _clients);
string testEventName = "client-dynamic-event-test";
dynamic dynamicEventData = CreateDynamicEventData();
string channelName = ChannelNameFactory.CreateUniqueChannelName(channelType: channelType);
string[] testEventNames = new string[] { testEventName, testEventName, testEventName, testEventName, };
AutoResetEvent[] receivedEvents = new AutoResetEvent[testEventNames.Length];
int[] numberEventsReceived = new int[testEventNames.Length];
int[] totalEventsExpected = new int[testEventNames.Length];
bool[] eventExpected = new bool[testEventNames.Length];
for (int i = 0; i < testEventNames.Length; i++)
{
receivedEvents[i] = new AutoResetEvent(false);
numberEventsReceived[i] = 0;
eventExpected[i] = true;
if (listenersToUnbind.Contains(i))
{
totalEventsExpected[i] = 1;
}
else
{
totalEventsExpected[i] = 2;
}
}
await localPusher.ConnectAsync().ConfigureAwait(false);
Channel remoteChannel = await _remoteClient.SubscribeAsync(channelName).ConfigureAwait(false);
Channel localChannel = await localPusher.SubscribeAsync(channelName).ConfigureAwait(false);
void Listener(int index, dynamic eventData)
{
string eventName = eventData.@event;
if (eventName == testEventNames[index])
{
numberEventsReceived[index]++;
if (eventExpected[index])
{
receivedEvents[index].Set();
}
}
}
void GeneralListener0(string eventName, dynamic eventData)
{
Listener(0, eventData);
}
void GeneralListener1(string eventName, dynamic eventData)
{
Listener(1, eventData);
}
void Listener2(dynamic eventData)
{
Listener(2, eventData);
}
void Listener3(dynamic eventData)
{
Listener(3, eventData);
}
localPusher.BindAll(GeneralListener0);
localPusher.BindAll(GeneralListener1);
localChannel.Bind(testEventName, Listener2);
localChannel.Bind(testEventName, Listener3);
await remoteChannel.TriggerAsync(testEventName, dynamicEventData).ConfigureAwait(false);
for (int i = 0; i < testEventNames.Length; i++)
{
Assert.IsTrue(receivedEvents[i].WaitOne(TimeSpan.FromSeconds(5)), $"receivedEvents[{i}]");
receivedEvents[i].Reset();
}
TimeSpan delayAfterTrigger = TimeSpan.FromMilliseconds(0);
foreach (int index in listenersToUnbind)
{
eventExpected[index] = false;
}
// Act
if (listenersToUnbind.Count == testEventNames.Length)
{
// Not expecting any events, so wait a bit and ensure that none come in.
delayAfterTrigger = TimeSpan.FromMilliseconds(500);
localPusher.UnbindAll();
localChannel.UnbindAll();
}
else
{
if (listenersToUnbind.Contains(0))
{
localPusher.Unbind(GeneralListener0);
}
if (listenersToUnbind.Contains(1))
{
localPusher.Unbind(GeneralListener1);
}
if (listenersToUnbind.Contains(2) && listenersToUnbind.Contains(3))
{
localChannel.Unbind(testEventName);
}
else
{
if (listenersToUnbind.Contains(2))
{
localChannel.Unbind(testEventName, Listener2);
}
if (listenersToUnbind.Contains(3))
{
localChannel.Unbind(testEventName, Listener3);
}
}
}
await remoteChannel.TriggerAsync(testEventName, dynamicEventData).ConfigureAwait(false);
await Task.Delay(delayAfterTrigger).ConfigureAwait(false);
// Assert
for (int i = 0; i < testEventNames.Length; i++)
{
if (eventExpected[i])
{
Assert.IsTrue(receivedEvents[i].WaitOne(TimeSpan.FromSeconds(5)), $"receivedEvents[{i}]");
}
Assert.AreEqual(totalEventsExpected[i], numberEventsReceived[i], $"# Event[{i}]");
}
}
private async Task PusherEventEmitterTestAsync(ChannelTypes channelType, bool raiseEmitterActionError = false)
{
// Arrange
Pusher localPusher = PusherFactory.GetPusher(channelType: ChannelTypes.Presence, saveTo: _clients);
string testEventName = "client-pusher-event-test";
AutoResetEvent globalEventReceived = new AutoResetEvent(false);
AutoResetEvent channelEventReceived = new AutoResetEvent(false);
AutoResetEvent globalActionErrorReceived = raiseEmitterActionError ? new AutoResetEvent(false) : null;
AutoResetEvent channelActionErrorReceived = raiseEmitterActionError ? new AutoResetEvent(false) : null;
string globalActionErrorMsg = "Simulate error in BindAll action.";
string channelActionErrorMsg = "Simulate error in Bind action.";
PusherException globalActionError = null;
EventEmitterActionException <PusherEvent> channelActionError = null;
PusherEvent globalEvent = null;
PusherEvent channelEvent = null;
PusherEvent pusherEvent = CreatePusherEvent(channelType, testEventName);
if (raiseEmitterActionError)
{
void HandleError(object sender, PusherException error)
{
if (error.Message == globalActionErrorMsg)
{
globalActionError = error;
globalActionErrorReceived?.Set();
}
else if (error.Message.Contains(channelActionErrorMsg))
{
channelActionError = error as EventEmitterActionException <PusherEvent>;
channelActionErrorReceived?.Set();
}
if (raiseEmitterActionError)
{
throw new InvalidOperationException("Simulated error from error handler.");
}
}
localPusher.Error += HandleError;
}
await localPusher.ConnectAsync().ConfigureAwait(false);
Channel remoteChannel = await _remoteClient.SubscribeAsync(pusherEvent.ChannelName).ConfigureAwait(false);
Channel localChannel = await localPusher.SubscribeAsync(pusherEvent.ChannelName).ConfigureAwait(false);
void GeneralListener(string eventName, PusherEvent eventData)
{
if (eventName == testEventName)
{
globalEvent = eventData;
globalEventReceived.Set();
if (raiseEmitterActionError)
{
throw new PusherException(globalActionErrorMsg, ErrorCodes.Unknown);
}
}
}
void Listener(PusherEvent eventData)
{
channelEvent = eventData;
channelEventReceived.Set();
if (raiseEmitterActionError)
{
throw new InvalidOperationException(channelActionErrorMsg);
}
}
// Act
localPusher.BindAll(GeneralListener);
localChannel.Bind(testEventName, Listener);
remoteChannel.Trigger(testEventName, pusherEvent.Data);
// Assert
Assert.IsTrue(globalEventReceived.WaitOne(TimeSpan.FromSeconds(5)));
Assert.IsTrue(channelEventReceived.WaitOne(TimeSpan.FromSeconds(5)));
if (raiseEmitterActionError)
{
Assert.IsTrue(globalActionErrorReceived.WaitOne(TimeSpan.FromSeconds(5)));
Assert.IsTrue(channelActionErrorReceived.WaitOne(TimeSpan.FromSeconds(5)));
Assert.IsNotNull(globalActionError);
Assert.IsNotNull(channelActionError);
Assert.AreEqual(ErrorCodes.EventEmitterActionError, channelActionError.PusherCode);
Assert.IsNotNull(channelActionError.EventData);
Assert.AreEqual(testEventName, channelActionError.EventName);
}
AssertPusherEventsAreEqual(channelType, pusherEvent, globalEvent);
AssertPusherEventsAreEqual(channelType, pusherEvent, channelEvent);
}
public async Task PusherEventEmitterPrivateEncryptedChannelDecryptionFailureTestAsync()
{
// Arrange
var pusherServer = new PusherServer.Pusher(Config.AppId, Config.AppKey, Config.AppSecret, new PusherServer.PusherOptions
{
Cluster = Config.Cluster,
EncryptionMasterKey = GenerateEncryptionMasterKey(),
});
ChannelDecryptionException decryptionException = null;
ChannelTypes channelType = ChannelTypes.PrivateEncrypted;
// Use a different encryption master key - decryption should fail
Pusher localPusher = PusherFactory.GetPusher(channelType: ChannelTypes.Presence, saveTo: _clients, encryptionKey: GenerateEncryptionMasterKey());
string testEventName = "private-encrypted-event-test";
AutoResetEvent globalEventReceived = new AutoResetEvent(false);
AutoResetEvent channelEventReceived = new AutoResetEvent(false);
AutoResetEvent errorReceived = new AutoResetEvent(false);
PusherEvent pusherEvent = CreatePusherEvent(channelType, testEventName);
await localPusher.ConnectAsync().ConfigureAwait(false);
Channel localChannel = await localPusher.SubscribeAsync(pusherEvent.ChannelName).ConfigureAwait(false);
void GeneralListener(string eventName, PusherEvent eventData)
{
if (eventName == testEventName)
{
globalEventReceived.Set();
}
}
void Listener(PusherEvent eventData)
{
channelEventReceived.Set();
}
EventTestData data = new EventTestData
{
TextField = ExpectedTextField,
IntegerField = ExpectedIntegerField,
};
void ErrorHandler(object sender, PusherException error)
{
decryptionException = error as ChannelDecryptionException;
if (decryptionException != null)
{
errorReceived.Set();
}
}
// Act
localPusher.Error += ErrorHandler;
localPusher.BindAll(GeneralListener);
localChannel.Bind(testEventName, Listener);
await pusherServer.TriggerAsync(pusherEvent.ChannelName, testEventName, data).ConfigureAwait(false);
// Assert
Assert.IsTrue(errorReceived.WaitOne(TimeSpan.FromSeconds(5)), "Expected to handle an error.");
Assert.IsNotNull(decryptionException.SocketID, nameof(decryptionException.SocketID));
Assert.AreEqual(testEventName, decryptionException.EventName, nameof(decryptionException.EventName));
Assert.AreEqual(localChannel.Name, decryptionException.ChannelName, nameof(decryptionException.ChannelName));
Assert.IsFalse(globalEventReceived.WaitOne(TimeSpan.FromSeconds(0.1)), "Did not expect to get a global event raised.");
Assert.IsFalse(channelEventReceived.WaitOne(TimeSpan.FromSeconds(0.1)), "Did not expect to get a channel event raised.");
}