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//
// NamedPipeReplyChannel.cs
//
// Author:
// Atsushi Enomoto <atsushi@ximian.com>
//
// Copyright (C) 2009 Novell, Inc. http://www.novell.com
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections.Generic;
using System.IO;
using System.IO.Pipes;
using System.Net;
using System.Net.Sockets;
using System.ServiceModel;
using System.ServiceModel.Channels.NetTcp;
using System.Text;
using System.Threading;
namespace System.ServiceModel.Channels
{
internal class NamedPipeReplyChannel : InternalReplyChannelBase
{
NamedPipeServerStream server;
TcpBinaryFrameManager frame;
public NamedPipeReplyChannel (ChannelListenerBase listener, MessageEncoder encoder, NamedPipeServerStream server)
: base (listener)
{
this.server = server;
this.Encoder = encoder;
}
public MessageEncoder Encoder { get; private set; }
public override RequestContext ReceiveRequest (TimeSpan timeout)
{
// It is used while it is already closed.
if (server == null || !server.IsConnected)
return null;
if (timeout <= TimeSpan.Zero)
throw new ArgumentException (String.Format ("Timeout value must be positive value. It was {0}", timeout));
var msg = frame.ReadUnsizedMessage (timeout);
frame.ReadEndRecord ();
return new NamedPipeRequestContext (this, msg);
}
class NamedPipeRequestContext : InternalRequestContext
{
public NamedPipeRequestContext (NamedPipeReplyChannel owner, Message request)
: base (owner.Manager)
{
this.owner = owner;
this.request = request;
}
NamedPipeReplyChannel owner;
Message request;
public override Message RequestMessage {
get { return request; }
}
public override void Abort ()
{
Close (TimeSpan.Zero);
}
public override void Close (TimeSpan timeout)
{
}
public override void Reply (Message message, TimeSpan timeout)
{
if (message.Headers.RelatesTo == null)
message.Headers.RelatesTo = request.Headers.MessageId;
DateTime start = DateTime.Now;
owner.frame.WriteUnsizedMessage (message, timeout);
owner.frame.WriteEndRecord ();
owner.server.Close ();
owner.server = null;
}
}
public override bool TryReceiveRequest (TimeSpan timeout, out RequestContext context)
{
try {
DateTime start = DateTime.Now;
context = ReceiveRequest (timeout);
return context != null;
} catch (TimeoutException) {
context = null;
return false;
}
}
public override bool WaitForRequest (TimeSpan timeout)
{
throw new NotImplementedException ();
}
protected override void OnClose (TimeSpan timeout)
{
}
protected override void OnOpen (TimeSpan timeout)
{
DateTime start = DateTime.Now;
// FIXME: use timeout
frame = new TcpBinaryFrameManager (TcpBinaryFrameManager.SingletonUnsizedMode, server, true) { Encoder = this.Encoder };
frame.ProcessPreambleRecipient ();
frame.ProcessPreambleAckRecipient ();
}
}
}
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