public DispatchSessionAsyncResult(ListenerSessionConnection session, AsyncCallback callback, object state)
: base(callback, state)
{
this.session = session;
DuplicateContext duplicateContext = null;
try
{
duplicateContext = session.WorkerProcess.DuplicateConnection(session);
}
catch (ServiceActivationException e)
{
int traceCode;
string traceDescription;
if (session.WorkerProcess is TcpWorkerProcess)
{
traceCode = ListenerTraceCode.MessageQueueDuplicatedSocketError;
traceDescription = SR.GetString(SR.TraceCodeMessageQueueDuplicatedSocketError);
}
else
{
traceCode = ListenerTraceCode.MessageQueueDuplicatedPipeError;
traceDescription = SR.GetString(SR.TraceCodeMessageQueueDuplicatedPipeError);
}
if (DiagnosticUtility.ShouldTraceError)
{
ListenerTraceUtility.TraceEvent(TraceEventType.Error, traceCode, traceDescription, this, e);
}
this.Complete(true, e);
return;
}
IAsyncResult result = this.session.WorkerProcess.ConnectionDuplicator.BeginDuplicate(duplicateContext,
dispatchSessionCallback, this);
if (result.CompletedSynchronously)
{
CompleteDuplicateSession(result);
this.Complete(true);
}
}
private bool HandleOnVia(DuplicateContext duplicateContext)
{
if (this.onDuplicatedViaCallback != null)
{
lock (this.ThisLock)
{
if (this.onDuplicatedViaCallback == null)
{
return true;
}
if (this.onDuplicatedViaCallback != null)
{
try
{
int num = this.onDuplicatedViaCallback(duplicateContext.Via);
this.connectionBufferSize = num;
this.onDuplicatedViaCallback = null;
}
catch (Exception exception)
{
if (DiagnosticUtility.ShouldTraceInformation)
{
DiagnosticUtility.ExceptionUtility.TraceHandledException(exception, TraceEventType.Information);
}
string faultCode = null;
if (exception is ServiceActivationException)
{
faultCode = "http://schemas.microsoft.com/ws/2006/05/framing/faults/ServiceActivationFailed";
}
else if (exception is EndpointNotFoundException)
{
faultCode = "http://schemas.microsoft.com/ws/2006/05/framing/faults/EndpointNotFound";
}
IConnection connection = this.BuildConnectionFromData(duplicateContext, 0x2000);
if (faultCode != null)
{
this.SendFault(connection, faultCode);
return false;
}
connection.Abort();
if (!(exception is CommunicationObjectAbortedException))
{
throw;
}
return false;
}
}
}
}
return true;
}
IAsyncResult IConnectionDuplicator.BeginDuplicate(DuplicateContext duplicateContext, AsyncCallback callback, object state)
{
IAsyncResult result2;
try
{
if (!this.HandleOnVia(duplicateContext))
{
return new SharedConnectionListener.DuplicateConnectionAsyncResult(callback, state);
}
SharedConnectionListener.DuplicateConnectionAsyncResult result = new SharedConnectionListener.DuplicateConnectionAsyncResult(this.BuildConnectionFromData(duplicateContext, this.connectionBufferSize), callback, state);
this.parent.OnConnectionAvailable(result);
result2 = result;
}
catch (Exception exception)
{
if (DiagnosticUtility.ShouldTraceError)
{
DiagnosticUtility.ExceptionUtility.TraceHandledException(exception, TraceEventType.Error);
}
throw;
}
return result2;
}
private IConnection BuildConnectionFromData(DuplicateContext duplicateContext, int connectionBufferSize)
{
if (this.isTcp)
{
return this.BuildDuplicatedTcpConnection((TcpDuplicateContext) duplicateContext, connectionBufferSize);
}
return this.BuildDuplicatedNamedPipeConnection((NamedPipeDuplicateContext) duplicateContext, connectionBufferSize);
}
