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//
// MsmqOutputChannel.cs
//
// Author: Atsushi Enomoto (atsushi@ximian.com)
//
// Copyright (C) 2007 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.IO;
using System.Messaging;
using System.ServiceModel;
using System.Threading;
namespace System.ServiceModel.Channels
{
internal class MsmqOutputChannel : OutputChannelBase
{
MsmqChannelFactory<IOutputChannel> source;
MessageQueue queue;
public MsmqOutputChannel (MsmqChannelFactory<IOutputChannel> factory,
EndpointAddress address, Uri via)
: base (factory, address, via)
{
this.source = factory;
}
// Send
public override IAsyncResult BeginSend (Message message, TimeSpan timeout, AsyncCallback callback, object state)
{
ThrowIfDisposedOrNotOpen ();
return new MsmqChannelOutputAsyncResult (this, message, timeout, callback, state);
}
public override void EndSend (IAsyncResult result)
{
if (result == null)
throw new ArgumentNullException ("result");
MsmqChannelOutputAsyncResult r = result as MsmqChannelOutputAsyncResult;
if (r == null)
throw new InvalidOperationException ("Wrong IAsyncResult");
r.WaitEnd ();
}
public override void Send (Message message, TimeSpan timeout)
{
ThrowIfDisposedOrNotOpen ();
MemoryStream ms = new MemoryStream ();
source.MessageEncoder.WriteMessage (message, ms);
queue.Send (ms);
//throw new NotImplementedException ();
}
// Abort
protected override void OnAbort ()
{
throw new NotImplementedException ();
}
// Close
protected override void OnClose (TimeSpan timeout)
{
if (queue != null)
queue.Close ();
queue = null;
}
protected override IAsyncResult OnBeginClose (TimeSpan timeout, AsyncCallback callback, object state)
{
throw new NotImplementedException ();
}
protected override void OnEndClose (IAsyncResult result)
{
throw new NotImplementedException ();
}
// Open
protected override void OnOpen (TimeSpan timeout)
{
// FIXME: is distination really like this?
Uri destination = Via != null ? Via : RemoteAddress.Uri;
queue = new MessageQueue (destination.GetLeftPart (UriPartial.Scheme));
// FIXME: setup queue
}
protected override IAsyncResult OnBeginOpen (TimeSpan timeout, AsyncCallback callback, object state)
{
throw new NotImplementedException ();
}
protected override void OnEndOpen (IAsyncResult result)
{
throw new NotImplementedException ();
}
class MsmqChannelOutputAsyncResult : IAsyncResult
{
MsmqOutputChannel channel;
Message message;
TimeSpan timeout;
AsyncCallback callback;
object state;
AutoResetEvent wait;
bool done, waiting;
Exception error;
public MsmqChannelOutputAsyncResult (MsmqOutputChannel channel, Message message, TimeSpan timeout, AsyncCallback callback, object state)
{
this.channel = channel;
this.message = message;
this.timeout = timeout;
this.callback = callback;
this.state = state;
wait = new AutoResetEvent (false);
Thread t = new Thread (delegate () {
try {
channel.Send (message, timeout);
if (callback != null)
callback (this);
} catch (Exception ex) {
error = ex;
} finally {
done = true;
wait.Set ();
}
});
t.Start ();
}
public WaitHandle AsyncWaitHandle {
get { return wait; }
}
public object AsyncState {
get { return state; }
}
public bool CompletedSynchronously {
get { return done && !waiting; }
}
public bool IsCompleted {
get { return done; }
}
public void WaitEnd ()
{
if (!done) {
waiting = true;
wait.WaitOne (timeout, true);
}
if (error != null)
throw error;
}
}
}
}
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