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);
}
internal ChannelHandler(MessageVersion messageVersion, IChannelBinder binder, ServiceThrottle throttle,
ServiceDispatcher serviceDispatcher, bool wasChannelThrottled, SessionIdleManager idleManager)
{
ChannelDispatcher channelDispatcher = serviceDispatcher.ChannelDispatcher;
_serviceDispatcher = serviceDispatcher;
_messageVersion = messageVersion;
_isManualAddressing = channelDispatcher.ManualAddressing;
_binder = binder;
_throttle = throttle;
_wasChannelThrottled = wasChannelThrottled;
_host = channelDispatcher.Host;
_duplexBinder = binder as DuplexChannelBinder;
_hasSession = binder.HasSession;
_isConcurrent = ConcurrencyBehavior.IsConcurrent(channelDispatcher, _hasSession);
// TODO: Work out if MultipleReceiveBinder is necessary
//if (channelDispatcher.MaxPendingReceives > 1)
//{
// // We need to preserve order if the ChannelHandler is not concurrent.
// this.binder = new MultipleReceiveBinder(
// this.binder,
// channelDispatcher.MaxPendingReceives,
// !this.isConcurrent);
//}
if (channelDispatcher.BufferedReceiveEnabled)
{
_binder = new BufferedReceiveBinder(_binder);
}
_idleManager = idleManager;
if (_binder.HasSession)
{
_sessionOpenNotification = _binder.Channel.GetProperty <SessionOpenNotification>();
_needToCreateSessionOpenNotificationMessage = _sessionOpenNotification != null && _sessionOpenNotification.IsEnabled;
}
//_requestInfo = new RequestInfo(this);
// TODO: Wire up lifetime management in place of listener state
//if (this.listener.State == CommunicationState.Opened)
//{
_serviceDispatcher.ChannelDispatcher.Channels.IncrementActivityCount();
_incrementedActivityCountInConstructor = true;
//}
}
internal AsyncDuplexRequest(DuplexChannelBinder parent)
{
_parent = parent;
}
internal DuplexRequestContext(IDuplexChannel channel, Message request, DuplexChannelBinder binder)
: base(request, binder.DefaultCloseTimeout, binder.DefaultSendTimeout)
{
_channel = channel;
_binder = binder;
}
void Dispatch()
{
ListenerChannel channel = this.channel;
SessionIdleManager idleManager = this.idleManager;
this.channel = null;
this.idleManager = null;
try
{
if (channel != null)
{
ChannelHandler handler = new ChannelHandler(listenerBinder.MessageVersion, channel.Binder, /*this.throttle,*/ this, /*(channel.Throttle != null),*/ /*this.wrappedTransaction,*/ idleManager);
if (!channel.Binder.HasSession)
{
//channelDispatcher.Channels.Add(channel.Binder.Channel);
}
if (channel.Binder is DuplexChannelBinder)
{
DuplexChannelBinder duplexChannelBinder = channel.Binder as DuplexChannelBinder;
duplexChannelBinder.ChannelHandler = handler;
duplexChannelBinder.DefaultCloseTimeout = DefaultCloseTimeout;
if (timeouts == null)
{
duplexChannelBinder.DefaultSendTimeout = ServiceDefaults.SendTimeout;
}
else
{
duplexChannelBinder.DefaultSendTimeout = timeouts.SendTimeout;
}
}
ChannelHandler.Register(handler);
channel = null;
idleManager = null;
}
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
HandleError(e);
}
finally
{
if (channel != null)
{
channel.Binder.Channel.Abort();
//if (this.throttle != null && this.channelDispatcher.Session)
//{
// this.throttle.DeactivateChannel();
//}
if (idleManager != null)
{
idleManager.CancelTimer();
}
}
}
}