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//----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//----------------------------------------------------------------------------
#pragma warning disable 1634 // Stops compiler from warning about unknown warnings (for Presharp)
namespace System.ServiceModel.Channels
{
using System;
using System.IO;
using System.Runtime;
using System.ServiceModel;
using System.Xml;
using DiagnosticUtility = System.ServiceModel.DiagnosticUtility;
class HttpStreamMessage : Message
{
internal const string StreamElementName = "Binary";
BodyWriter bodyWriter;
MessageHeaders headers;
MessageProperties properties;
public HttpStreamMessage(BodyWriter writer)
{
if (writer == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("writer");
}
this.bodyWriter = writer;
this.headers = new MessageHeaders(MessageVersion.None, 1);
this.properties = new MessageProperties();
}
public HttpStreamMessage(MessageHeaders headers, MessageProperties properties, BodyWriter bodyWriter)
{
if (bodyWriter == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("bodyWriter");
}
this.headers = new MessageHeaders(headers);
this.properties = new MessageProperties(properties);
this.bodyWriter = bodyWriter;
}
public override MessageHeaders Headers
{
get
{
if (IsDisposed)
{
#pragma warning suppress 56503
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(CreateDisposedException());
}
return headers;
}
}
public override bool IsEmpty
{
get
{
return false;
}
}
public override bool IsFault
{
get { return false; }
}
public override MessageProperties Properties
{
get
{
if (IsDisposed)
{
#pragma warning suppress 56503
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(CreateDisposedException());
}
return properties;
}
}
public override MessageVersion Version
{
get
{
if (IsDisposed)
{
#pragma warning suppress 56503
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(CreateDisposedException());
}
return MessageVersion.None;
}
}
protected override void OnBodyToString(XmlDictionaryWriter writer)
{
if (this.bodyWriter.IsBuffered)
{
bodyWriter.WriteBodyContents(writer);
}
else
{
writer.WriteString(SR2.GetString(SR2.MessageBodyIsStream));
}
}
protected override void OnClose()
{
Exception ex = null;
try
{
base.OnClose();
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
ex = e;
}
try
{
if (properties != null)
{
properties.Dispose();
}
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
if (ex == null)
{
ex = e;
}
}
if (ex != null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(ex);
}
this.bodyWriter = null;
}
protected override MessageBuffer OnCreateBufferedCopy(int maxBufferSize)
{
BodyWriter bufferedBodyWriter;
if (this.bodyWriter.IsBuffered)
{
bufferedBodyWriter = this.bodyWriter;
}
else
{
bufferedBodyWriter = this.bodyWriter.CreateBufferedCopy(maxBufferSize);
}
return new HttpStreamMessageBuffer(this.Headers, new MessageProperties(this.Properties), bufferedBodyWriter);
}
protected override void OnWriteBodyContents(XmlDictionaryWriter writer)
{
this.bodyWriter.WriteBodyContents(writer);
}
Exception CreateDisposedException()
{
return new ObjectDisposedException("", SR2.GetString(SR2.MessageClosed));
}
class HttpStreamMessageBuffer : MessageBuffer
{
BodyWriter bodyWriter;
bool closed;
MessageHeaders headers;
MessageProperties properties;
object thisLock = new object();
public HttpStreamMessageBuffer(MessageHeaders headers,
MessageProperties properties, BodyWriter bodyWriter)
: base()
{
this.bodyWriter = bodyWriter;
this.headers = headers;
this.properties = properties;
}
public override int BufferSize
{
get { return 0; }
}
object ThisLock
{
get { return thisLock; }
}
public override void Close()
{
lock (ThisLock)
{
if (!closed)
{
closed = true;
bodyWriter = null;
headers = null;
properties = null;
}
}
}
public override Message CreateMessage()
{
lock (ThisLock)
{
if (closed)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(CreateDisposedException());
}
return new HttpStreamMessage(this.headers, this.properties, this.bodyWriter);
}
}
Exception CreateDisposedException()
{
return new ObjectDisposedException("", SR2.GetString(SR2.MessageBufferIsClosed));
}
}
}
}
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