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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel.Channels
{
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ServiceModel;
using System.Diagnostics;
using System.IO;
using System.Runtime.Serialization;
using System.Text;
using System.Threading;
abstract class TransportChannelFactory<TChannel> : ChannelFactoryBase<TChannel>, ITransportFactorySettings
{
BufferManager bufferManager;
long maxBufferPoolSize;
long maxReceivedMessageSize;
MessageEncoderFactory messageEncoderFactory;
bool manualAddressing;
MessageVersion messageVersion;
protected TransportChannelFactory(TransportBindingElement bindingElement, BindingContext context)
: this(bindingElement, context, TransportDefaults.GetDefaultMessageEncoderFactory())
{
}
protected TransportChannelFactory(TransportBindingElement bindingElement, BindingContext context,
MessageEncoderFactory defaultMessageEncoderFactory)
: base(context.Binding)
{
this.manualAddressing = bindingElement.ManualAddressing;
this.maxBufferPoolSize = bindingElement.MaxBufferPoolSize;
this.maxReceivedMessageSize = bindingElement.MaxReceivedMessageSize;
Collection<MessageEncodingBindingElement> messageEncoderBindingElements
= context.BindingParameters.FindAll<MessageEncodingBindingElement>();
if (messageEncoderBindingElements.Count > 1)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.MultipleMebesInParameters)));
}
else if (messageEncoderBindingElements.Count == 1)
{
this.messageEncoderFactory = messageEncoderBindingElements[0].CreateMessageEncoderFactory();
context.BindingParameters.Remove<MessageEncodingBindingElement>();
}
else
{
this.messageEncoderFactory = defaultMessageEncoderFactory;
}
if (null != this.messageEncoderFactory)
this.messageVersion = this.messageEncoderFactory.MessageVersion;
else
this.messageVersion = MessageVersion.None;
}
public BufferManager BufferManager
{
get
{
return this.bufferManager;
}
}
public long MaxBufferPoolSize
{
get
{
return this.maxBufferPoolSize;
}
}
public long MaxReceivedMessageSize
{
get
{
return maxReceivedMessageSize;
}
}
public MessageEncoderFactory MessageEncoderFactory
{
get
{
return this.messageEncoderFactory;
}
}
public MessageVersion MessageVersion
{
get
{
return this.messageVersion;
}
}
public bool ManualAddressing
{
get
{
return this.manualAddressing;
}
}
public abstract string Scheme { get; }
public override T GetProperty<T>()
{
if (typeof(T) == typeof(MessageVersion))
{
return (T)(object)this.MessageVersion;
}
if (typeof(T) == typeof(FaultConverter))
{
if (null == this.MessageEncoderFactory)
return null;
else
return this.MessageEncoderFactory.Encoder.GetProperty<T>();
}
if (typeof(T) == typeof(ITransportFactorySettings))
{
return (T)(object)this;
}
return base.GetProperty<T>();
}
protected override void OnAbort()
{
OnCloseOrAbort();
base.OnAbort();
}
protected override IAsyncResult OnBeginClose(TimeSpan timeout, AsyncCallback callback, object state)
{
OnCloseOrAbort();
return base.OnBeginClose(timeout, callback, state);
}
protected override void OnClose(TimeSpan timeout)
{
OnCloseOrAbort();
base.OnClose(timeout);
}
void OnCloseOrAbort()
{
if (this.bufferManager != null)
{
this.bufferManager.Clear();
}
}
internal virtual int GetMaxBufferSize()
{
if (MaxReceivedMessageSize > int.MaxValue)
return int.MaxValue;
else
return (int)MaxReceivedMessageSize;
}
protected override void OnOpening()
{
base.OnOpening();
this.bufferManager = BufferManager.CreateBufferManager(MaxBufferPoolSize, GetMaxBufferSize());
}
internal void ValidateScheme(Uri via)
{
if (via.Scheme != this.Scheme)
{
// URI schemes are case-insensitive, so try a case insensitive compare now
if (string.Compare(via.Scheme, this.Scheme, StringComparison.OrdinalIgnoreCase) != 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("via", SR.GetString(SR.InvalidUriScheme,
via.Scheme, this.Scheme));
}
}
}
long ITransportFactorySettings.MaxReceivedMessageSize
{
get { return MaxReceivedMessageSize; }
}
BufferManager ITransportFactorySettings.BufferManager
{
get { return BufferManager; }
}
bool ITransportFactorySettings.ManualAddressing
{
get { return ManualAddressing; }
}
MessageEncoderFactory ITransportFactorySettings.MessageEncoderFactory
{
get { return MessageEncoderFactory; }
}
}
}
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