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//----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//----------------------------------------------------------------------------
namespace System.ServiceModel.Channels
{
using System;
using System.ServiceModel.Activation;
using System.ServiceModel;
using System.Net;
using System.Net.Sockets;
using System.Collections.Generic;
abstract class ConnectionOrientedTransportManager<TChannelListener> : TransportManager
where TChannelListener : ConnectionOrientedTransportChannelListener
{
UriPrefixTable<TChannelListener> addressTable;
int connectionBufferSize;
TimeSpan channelInitializationTimeout;
int maxPendingConnections;
TimeSpan maxOutputDelay;
int maxPendingAccepts;
TimeSpan idleTimeout;
int maxPooledConnections;
Action messageReceivedCallback;
protected ConnectionOrientedTransportManager()
{
this.addressTable = new UriPrefixTable<TChannelListener>();
}
UriPrefixTable<TChannelListener> AddressTable
{
get { return addressTable; }
}
protected TimeSpan ChannelInitializationTimeout
{
get
{
return channelInitializationTimeout;
}
}
internal void ApplyListenerSettings(IConnectionOrientedListenerSettings listenerSettings)
{
this.connectionBufferSize = listenerSettings.ConnectionBufferSize;
this.channelInitializationTimeout = listenerSettings.ChannelInitializationTimeout;
this.maxPendingConnections = listenerSettings.MaxPendingConnections;
this.maxOutputDelay = listenerSettings.MaxOutputDelay;
this.maxPendingAccepts = listenerSettings.MaxPendingAccepts;
this.idleTimeout = listenerSettings.IdleTimeout;
this.maxPooledConnections = listenerSettings.MaxPooledConnections;
}
internal int ConnectionBufferSize
{
get
{
return this.connectionBufferSize;
}
}
internal int MaxPendingConnections
{
get
{
return this.maxPendingConnections;
}
}
internal TimeSpan MaxOutputDelay
{
get
{
return maxOutputDelay;
}
}
internal int MaxPendingAccepts
{
get
{
return this.maxPendingAccepts;
}
}
internal TimeSpan IdleTimeout
{
get { return this.idleTimeout; }
}
internal int MaxPooledConnections
{
get { return this.maxPooledConnections; }
}
internal bool IsCompatible(ConnectionOrientedTransportChannelListener channelListener)
{
if (channelListener.InheritBaseAddressSettings)
return true;
return (
(this.ChannelInitializationTimeout == channelListener.ChannelInitializationTimeout) &&
(this.ConnectionBufferSize == channelListener.ConnectionBufferSize) &&
(this.MaxPendingConnections == channelListener.MaxPendingConnections) &&
(this.MaxOutputDelay == channelListener.MaxOutputDelay) &&
(this.MaxPendingAccepts == channelListener.MaxPendingAccepts) &&
(this.idleTimeout == channelListener.IdleTimeout) &&
(this.maxPooledConnections == channelListener.MaxPooledConnections)
);
}
TChannelListener GetChannelListener(Uri via)
{
TChannelListener channelListener = null;
if (AddressTable.TryLookupUri(via, HostNameComparisonMode.StrongWildcard, out channelListener))
{
return channelListener;
}
if (AddressTable.TryLookupUri(via, HostNameComparisonMode.Exact, out channelListener))
{
return channelListener;
}
AddressTable.TryLookupUri(via, HostNameComparisonMode.WeakWildcard, out channelListener);
return channelListener;
}
internal void OnDemuxerError(Exception exception)
{
lock (ThisLock)
{
this.Fault(this.AddressTable, exception);
}
}
internal ISingletonChannelListener OnGetSingletonMessageHandler(ServerSingletonPreambleConnectionReader serverSingletonPreambleReader)
{
Uri via = serverSingletonPreambleReader.Via;
TChannelListener channelListener = GetChannelListener(via);
if (channelListener != null)
{
if (channelListener is IChannelListener<IReplyChannel>)
{
channelListener.RaiseMessageReceived();
return (ISingletonChannelListener)channelListener;
}
else
{
serverSingletonPreambleReader.SendFault(FramingEncodingString.UnsupportedModeFault);
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new ProtocolException(SR.GetString(SR.FramingModeNotSupported, FramingMode.Singleton)));
}
}
else
{
serverSingletonPreambleReader.SendFault(FramingEncodingString.EndpointNotFoundFault);
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new EndpointNotFoundException(SR.GetString(SR.EndpointNotFound, via)));
}
}
internal void OnHandleServerSessionPreamble(ServerSessionPreambleConnectionReader serverSessionPreambleReader,
ConnectionDemuxer connectionDemuxer)
{
Uri via = serverSessionPreambleReader.Via;
TChannelListener channelListener = GetChannelListener(via);
if (channelListener != null)
{
ISessionPreambleHandler sessionPreambleHandler = channelListener as ISessionPreambleHandler;
if (sessionPreambleHandler != null && channelListener is IChannelListener<IDuplexSessionChannel>)
{
sessionPreambleHandler.HandleServerSessionPreamble(serverSessionPreambleReader, connectionDemuxer);
}
else
{
serverSessionPreambleReader.SendFault(FramingEncodingString.UnsupportedModeFault);
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new ProtocolException(SR.GetString(SR.FramingModeNotSupported, FramingMode.Duplex)));
}
}
else
{
serverSessionPreambleReader.SendFault(FramingEncodingString.EndpointNotFoundFault);
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new EndpointNotFoundException(SR.GetString(SR.DuplexSessionListenerNotFound, via.ToString())));
}
}
internal IConnectionOrientedTransportFactorySettings OnGetTransportFactorySettings(Uri via)
{
return GetChannelListener(via);
}
internal override void Register(TransportChannelListener channelListener)
{
AddressTable.RegisterUri(channelListener.Uri, channelListener.HostNameComparisonModeInternal,
(TChannelListener)channelListener);
channelListener.SetMessageReceivedCallback(new Action(OnMessageReceived));
}
internal override void Unregister(TransportChannelListener channelListener)
{
EnsureRegistered(AddressTable, (TChannelListener)channelListener, channelListener.HostNameComparisonModeInternal);
AddressTable.UnregisterUri(channelListener.Uri, channelListener.HostNameComparisonModeInternal);
channelListener.SetMessageReceivedCallback(null);
}
internal void SetMessageReceivedCallback(Action messageReceivedCallback)
{
this.messageReceivedCallback = messageReceivedCallback;
}
void OnMessageReceived()
{
Action callback = this.messageReceivedCallback;
if (callback != null)
{
callback();
}
}
}
}
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