public async Task <IServiceChannelDispatcher> CreateServiceChannelDispatcherAsync(IChannel channel)
{
ServiceChannel.SessionIdleManager sessionIdleManager = channel.GetProperty <ServiceChannel.SessionIdleManager>();
IChannelBinder binder = null;
if (channel is IReplyChannel)
{
ReplyChannelBinder rcbinder = channel.GetProperty <ReplyChannelBinder>();
rcbinder.Init(channel as IReplyChannel, BaseAddress);
binder = rcbinder;
}
else if (channel is IDuplexSessionChannel)
{
DuplexChannelBinder dcbinder = channel.GetProperty <DuplexChannelBinder>();
dcbinder.Init(channel as IDuplexSessionChannel, _requestReplyCorrelator, BaseAddress);
binder = dcbinder;
}
else if (channel is IInputChannel)
{
InputChannelBinder icbinder = channel.GetProperty <InputChannelBinder>();
icbinder.Init(channel as IInputChannel, BaseAddress);
binder = icbinder;
}
// TODO: Wire up wasChannelThrottled
var channelHandler = new ChannelHandler(Binding.MessageVersion, binder, channel.GetProperty <ServiceThrottle>(),
this, /*wasChannelThrottled*/ false, sessionIdleManager);
IServiceChannelDispatcher channelDispatcher = channelHandler.GetDispatcher();
// channel.ChannelDispatcher = channelDispatcher;
await channelHandler.OpenAsync();
return(channelDispatcher);
}
private bool TransactedAccept(out Transaction tx)
{
tx = null;
try
{
tx = TransactionBehavior.CreateTransaction(this.ChannelDispatcher.TransactionIsolationLevel, this.ChannelDispatcher.TransactionTimeout);
IChannelBinder channelBinder = null;
using (TransactionScope scope = new TransactionScope(tx))
{
TimeSpan timeout = TimeoutHelper.Min(this.ChannelDispatcher.TransactionTimeout, this.ChannelDispatcher.DefaultCommunicationTimeouts.ReceiveTimeout);
if (!this.acceptor.TryAccept(TransactionBehavior.NormalizeTimeout(timeout), out channelBinder))
{
return(false);
}
scope.Complete();
}
if (channelBinder != null)
{
this.channel = new ListenerChannel(channelBinder);
this.idleManager = ServiceChannel.SessionIdleManager.CreateIfNeeded(this.channel.Binder, this.channelDispatcher.DefaultCommunicationTimeouts.ReceiveTimeout);
return(true);
}
this.AcceptedNull();
tx = null;
return(false);
}
catch (CommunicationException exception)
{
if (null != tx)
{
try
{
tx.Rollback();
}
catch (TransactionException exception2)
{
if (DiagnosticUtility.ShouldTraceInformation)
{
DiagnosticUtility.ExceptionUtility.TraceHandledException(exception2, TraceEventType.Information);
}
}
}
tx = null;
if (DiagnosticUtility.ShouldTraceInformation)
{
DiagnosticUtility.ExceptionUtility.TraceHandledException(exception, TraceEventType.Information);
}
return(false);
}
catch (TransactionException exception3)
{
tx = null;
if (DiagnosticUtility.ShouldTraceInformation)
{
DiagnosticUtility.ExceptionUtility.TraceHandledException(exception3, TraceEventType.Information);
}
return(false);
}
}
private void Dispatch()
{
ListenerChannel channel = this.channel;
ServiceChannel.SessionIdleManager idleManager = this.idleManager;
this.channel = null;
this.idleManager = null;
try
{
if (channel != null)
{
ChannelHandler handler = new ChannelHandler(this.listenerBinder.MessageVersion, channel.Binder, this.throttle, this, channel.Throttle != null, this.wrappedTransaction, idleManager);
if (!channel.Binder.HasSession)
{
this.channelDispatcher.Channels.Add(channel.Binder.Channel);
}
if (channel.Binder is DuplexChannelBinder)
{
DuplexChannelBinder binder = channel.Binder as DuplexChannelBinder;
binder.ChannelHandler = handler;
binder.DefaultCloseTimeout = this.DefaultCloseTimeout;
if (this.timeouts == null)
{
binder.DefaultSendTimeout = ServiceDefaults.SendTimeout;
}
else
{
binder.DefaultSendTimeout = this.timeouts.SendTimeout;
}
}
ChannelHandler.Register(handler);
channel = null;
idleManager = null;
}
}
catch (Exception exception)
{
if (Fx.IsFatal(exception))
{
throw;
}
this.HandleError(exception);
}
finally
{
if (channel != null)
{
channel.Binder.Channel.Abort();
if ((this.throttle != null) && this.channelDispatcher.Session)
{
this.throttle.DeactivateChannel();
}
if (idleManager != null)
{
idleManager.CancelTimer();
}
}
}
}
private void CancelPendingIdleManager()
{
ServiceChannel.SessionIdleManager idleManager = this.idleManager;
if (idleManager != null)
{
idleManager.CancelTimer();
}
}
private bool HandleEndAccept(IAsyncResult result)
{
this.channel = this.CompleteAccept(result);
if (this.channel != null)
{
this.idleManager = ServiceChannel.SessionIdleManager.CreateIfNeeded(this.channel.Binder, this.channelDispatcher.DefaultCommunicationTimeouts.ReceiveTimeout);
return(this.AcquireThrottle());
}
this.DoneAccepting();
return(true);
}
private bool TransactedAccept(out Transaction tx)
{
tx = null;
try
{
tx = TransactionBehavior.CreateTransaction(this.ChannelDispatcher.TransactionIsolationLevel, this.ChannelDispatcher.TransactionTimeout);
IChannelBinder channelBinder = null;
using (TransactionScope scope = new TransactionScope(tx))
{
TimeSpan timeout = TimeoutHelper.Min(this.ChannelDispatcher.TransactionTimeout, this.ChannelDispatcher.DefaultCommunicationTimeouts.ReceiveTimeout);
if (!this.acceptor.TryAccept(TransactionBehavior.NormalizeTimeout(timeout), out channelBinder))
{
return false;
}
scope.Complete();
}
if (channelBinder != null)
{
this.channel = new ListenerChannel(channelBinder);
this.idleManager = ServiceChannel.SessionIdleManager.CreateIfNeeded(this.channel.Binder, this.channelDispatcher.DefaultCommunicationTimeouts.ReceiveTimeout);
return true;
}
this.AcceptedNull();
tx = null;
return false;
}
catch (CommunicationException exception)
{
if (null != tx)
{
try
{
tx.Rollback();
}
catch (TransactionException exception2)
{
if (DiagnosticUtility.ShouldTraceInformation)
{
DiagnosticUtility.ExceptionUtility.TraceHandledException(exception2, TraceEventType.Information);
}
}
}
tx = null;
if (DiagnosticUtility.ShouldTraceInformation)
{
DiagnosticUtility.ExceptionUtility.TraceHandledException(exception, TraceEventType.Information);
}
return false;
}
catch (TransactionException exception3)
{
tx = null;
if (DiagnosticUtility.ShouldTraceInformation)
{
DiagnosticUtility.ExceptionUtility.TraceHandledException(exception3, TraceEventType.Information);
}
return false;
}
}
private bool HandleEndAccept(IAsyncResult result)
{
this.channel = this.CompleteAccept(result);
if (this.channel != null)
{
this.idleManager = ServiceChannel.SessionIdleManager.CreateIfNeeded(this.channel.Binder, this.channelDispatcher.DefaultCommunicationTimeouts.ReceiveTimeout);
return this.AcquireThrottle();
}
this.DoneAccepting();
return true;
}
private void Dispatch()
{
ListenerChannel channel = this.channel;
ServiceChannel.SessionIdleManager idleManager = this.idleManager;
this.channel = null;
this.idleManager = null;
try
{
if (channel != null)
{
ChannelHandler handler = new ChannelHandler(this.listenerBinder.MessageVersion, channel.Binder, this.throttle, this, channel.Throttle != null, this.wrappedTransaction, idleManager);
if (!channel.Binder.HasSession)
{
this.channelDispatcher.Channels.Add(channel.Binder.Channel);
}
if (channel.Binder is DuplexChannelBinder)
{
DuplexChannelBinder binder = channel.Binder as DuplexChannelBinder;
binder.ChannelHandler = handler;
binder.DefaultCloseTimeout = this.DefaultCloseTimeout;
if (this.timeouts == null)
{
binder.DefaultSendTimeout = ServiceDefaults.SendTimeout;
}
else
{
binder.DefaultSendTimeout = this.timeouts.SendTimeout;
}
}
ChannelHandler.Register(handler);
channel = null;
idleManager = null;
}
}
catch (Exception exception)
{
if (Fx.IsFatal(exception))
{
throw;
}
this.HandleError(exception);
}
finally
{
if (channel != null)
{
channel.Binder.Channel.Abort();
if ((this.throttle != null) && this.channelDispatcher.Session)
{
this.throttle.DeactivateChannel();
}
if (idleManager != null)
{
idleManager.CancelTimer();
}
}
}
}
internal ChannelHandler(MessageVersion messageVersion, IChannelBinder binder, ServiceThrottle throttle, ListenerHandler listener, bool wasChannelThrottled, WrappedTransaction acceptTransaction, ServiceChannel.SessionIdleManager idleManager)
{
ChannelDispatcher channelDispatcher = listener.ChannelDispatcher;
this.messageVersion = messageVersion;
this.isManualAddressing = channelDispatcher.ManualAddressing;
this.binder = binder;
this.throttle = throttle;
this.listener = listener;
this.wasChannelThrottled = wasChannelThrottled;
this.host = listener.Host;
this.receiveSynchronously = channelDispatcher.ReceiveSynchronously;
this.duplexBinder = binder as DuplexChannelBinder;
this.hasSession = binder.HasSession;
this.isConcurrent = ConcurrencyBehavior.IsConcurrent(channelDispatcher, this.hasSession);
if (channelDispatcher.MaxPendingReceives > 1)
{
this.binder = new MultipleReceiveBinder(this.binder, channelDispatcher.MaxPendingReceives, !this.isConcurrent);
}
if (channelDispatcher.BufferedReceiveEnabled)
{
this.binder = new BufferedReceiveBinder(this.binder);
}
this.receiver = new ErrorHandlingReceiver(this.binder, channelDispatcher);
this.idleManager = idleManager;
if (!channelDispatcher.IsTransactedReceive || channelDispatcher.ReceiveContextEnabled)
{
if ((channelDispatcher.IsTransactedReceive && channelDispatcher.ReceiveContextEnabled) && (channelDispatcher.MaxTransactedBatchSize > 0))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(System.ServiceModel.SR.GetString("IncompatibleBehaviors")));
}
}
else
{
this.receiveSynchronously = true;
this.receiveWithTransaction = true;
if (channelDispatcher.MaxTransactedBatchSize > 0)
{
int maxConcurrentBatches = 1;
if ((throttle != null) && (throttle.MaxConcurrentCalls > 1))
{
maxConcurrentBatches = throttle.MaxConcurrentCalls;
foreach (EndpointDispatcher dispatcher2 in channelDispatcher.Endpoints)
{
if (ConcurrencyMode.Multiple != dispatcher2.DispatchRuntime.ConcurrencyMode)
{
maxConcurrentBatches = 1;
break;
}
}
}
this.sharedTransactedBatchContext = new SharedTransactedBatchContext(this, channelDispatcher, maxConcurrentBatches);
this.isMainTransactedBatchHandler = true;
this.throttle = null;
}
}
this.acceptTransaction = acceptTransaction;
this.requestInfo = new RequestInfo(this);
if (!this.hasSession && (this.listener.State == CommunicationState.Opened))
{
this.listener.ChannelDispatcher.Channels.IncrementActivityCount();
this.incrementedActivityCountInConstructor = true;
}
}
