/// <summary>
/// Triggers for queue events
/// </summary>
/// <param name="eventId">indicating the event id</param>
/// <param name="eventArgs">indicating the event args</param>
private void Queue_OnEvent(BrokerQueueEventId eventId, EventArgs eventArgs)
{
if (eventId == BrokerQueueEventId.AllRequestsProcessed)
{
// Handle the event in a seperate thread to avoid potential deadlock
ThreadPool.QueueUserWorkItem(
new ThreadHelper <object>(new WaitCallback(this.OnAllRequestsProcessed)).CallbackRoot
);
}
else if (eventId == BrokerQueueEventId.AllResponesDispatched ||
(this.sharedData.SessionFailed && eventId == BrokerQueueEventId.AvailableResponsesDispatched))
{
if (eventId == BrokerQueueEventId.AvailableResponsesDispatched)
{
BrokerTracing.TraceEvent(System.Diagnostics.TraceEventType.Information, 0, "[BrokerClient] Client {0}: All available responses dispatched, send EndOfResponse message", this.clientId);
}
else
{
BrokerTracing.EtwTrace.LogBrokerClientAllResponseDispatched(this.sharedData.BrokerInfo.SessionId, this.clientId);
}
if (this.responsesClient != null)
{
this.responsesClient.EndOfResponses(eventId, (ResponseEventArgs)eventArgs);
}
}
}
/// <summary>
/// End of responses received
/// </summary>
/// <param name="eventId">indicating the event id</param>
/// <param name="eventArgs">indicating the event args</param>
public override void EndOfResponses(BrokerQueueEventId eventId, ResponseEventArgs eventArgs)
{
IResponseServiceCallback callback = (IResponseServiceCallback)(eventArgs.State as object[])[0];
string clientData = (eventArgs.State as object[])[1].ToString();
// if the broker fails and the last available response received, then append the session failure fault message let the client API to handle the failure gracefully.
if (eventId == BrokerQueueEventId.AvailableResponsesDispatched)
{
this.ReplyFaultMessage(callback, FrontEndFaultMessage.GenerateFaultMessage(null, this.Version, SOAFaultCode.Broker_SessionFailure, SR.SessionFailure), clientData);
}
this.ReplyEndOfMessage(callback, clientData);
}
/// <summary>
/// Indicates EndOfResponses event has been triggered
/// </summary>
/// <param name="eventId">indicating the event id</param>
public void EndOfResponses(BrokerQueueEventId eventId)
{
if (eventId == BrokerQueueEventId.AllResponesDispatched ||
(this.sharedData.SessionFailed && eventId == BrokerQueueEventId.AvailableResponsesDispatched))
{
if (eventId == BrokerQueueEventId.AvailableResponsesDispatched)
{
this.GenerateFaultMessage(EndOfResponsesReason.ClientTimeout);
}
this.eom = true;
this.completeEvent.Set();
}
}
internal void DispatchEvent(BrokerQueueEventId eventId, EventArgs eventArgs)
{
if (this.OnEvent != null)
{
try
{
this.OnEvent(eventId, eventArgs);
}
catch (Exception e)
{
BrokerTracing.TraceWarning("[BrokerQueue] .DispatchEvent: the event handler raised exception, {0}", e);
}
}
}
/// <summary>
/// Informs that EndOfResponses has reached
/// </summary>
/// <param name="eventId">indicating the event id</param>
/// <param name="eventArgs">indicating the event args</param>
public override void EndOfResponses(BrokerQueueEventId eventId, ResponseEventArgs eventArgs)
{
this.result.EndOfResponses(eventId);
}
/// <summary> /// Informs that EndOfResponses has reached /// </summary> /// <param name="eventId">indicating the event id</param> /// <param name="eventArgs">indicating the event args</param> public abstract void EndOfResponses(BrokerQueueEventId eventId, ResponseEventArgs eventArgs);
