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//
// ReplyChannelBase.cs
//
// Author:
// Atsushi Enomoto <atsushi@ximian.com>
//
// Copyright (C) 2006 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.Net;
using System.Net.Security;
using System.ServiceModel;
using System.ServiceModel.Description;
using System.ServiceModel.Security;
using System.Threading;
namespace System.ServiceModel.Channels
{
internal abstract class InternalReplyChannelBase : ReplyChannelBase
{
public InternalReplyChannelBase (ChannelListenerBase listener)
: base (listener)
{
local_address = new EndpointAddress (listener.Uri);
}
EndpointAddress local_address;
public override EndpointAddress LocalAddress {
get { return local_address; }
}
}
internal abstract class ReplyChannelBase : ChannelBase, IReplyChannel
{
public ReplyChannelBase (ChannelListenerBase listener)
: base (listener)
{
}
public abstract EndpointAddress LocalAddress { get; }
protected override void OnAbort ()
{
OnClose (TimeSpan.Zero);
}
protected override void OnClose (TimeSpan timeout)
{
if (CurrentAsyncThread != null)
if (!CancelAsync (timeout))
CurrentAsyncThread.Abort ();
}
public virtual bool CancelAsync (TimeSpan timeout)
{
// FIXME: It should wait for the actual completion.
return CurrentAsyncResult == null;
//return CurrentAsyncResult == null || CurrentAsyncResult.AsyncWaitHandle.WaitOne (timeout);
}
public virtual bool TryReceiveRequest ()
{
RequestContext dummy;
return TryReceiveRequest (DefaultReceiveTimeout, out dummy);
}
public abstract bool TryReceiveRequest (TimeSpan timeout, out RequestContext context);
delegate bool TryReceiveDelegate (TimeSpan timeout, out RequestContext context);
TryReceiveDelegate try_recv_delegate;
protected Thread CurrentAsyncThread { get; private set; }
protected IAsyncResult CurrentAsyncResult { get; private set; }
public virtual IAsyncResult BeginTryReceiveRequest (TimeSpan timeout, AsyncCallback callback, object state)
{
if (CurrentAsyncResult != null)
throw new InvalidOperationException ("Another async TryReceiveRequest operation is in progress");
if (try_recv_delegate == null)
try_recv_delegate = new TryReceiveDelegate (delegate (TimeSpan tout, out RequestContext ctx) {
if (CurrentAsyncResult != null)
CurrentAsyncThread = Thread.CurrentThread;
try {
return TryReceiveRequest (tout, out ctx);
} finally {
CurrentAsyncResult = null;
CurrentAsyncThread = null;
}
});
RequestContext dummy;
CurrentAsyncResult = try_recv_delegate.BeginInvoke (timeout, out dummy, callback, state);
return CurrentAsyncResult;
}
public virtual bool EndTryReceiveRequest (IAsyncResult result)
{
RequestContext dummy;
return EndTryReceiveRequest (result, out dummy);
}
public virtual bool EndTryReceiveRequest (IAsyncResult result, out RequestContext context)
{
if (try_recv_delegate == null)
throw new InvalidOperationException ("BeginTryReceiveRequest operation has not started");
return try_recv_delegate.EndInvoke (out context, result);
}
public virtual bool WaitForRequest ()
{
return WaitForRequest (DefaultReceiveTimeout);
}
public abstract bool WaitForRequest (TimeSpan timeout);
Func<TimeSpan,bool> wait_delegate;
public virtual IAsyncResult BeginWaitForRequest (TimeSpan timeout, AsyncCallback callback, object state)
{
if (wait_delegate == null)
wait_delegate = new Func<TimeSpan,bool> (WaitForRequest);
return wait_delegate.BeginInvoke (timeout, callback, state);
}
public virtual bool EndWaitForRequest (IAsyncResult result)
{
if (wait_delegate == null)
throw new InvalidOperationException ("BeginWaitForRequest operation has not started");
return wait_delegate.EndInvoke (result);
}
public virtual RequestContext ReceiveRequest ()
{
return ReceiveRequest (DefaultReceiveTimeout);
}
public abstract RequestContext ReceiveRequest (TimeSpan timeout);
public virtual IAsyncResult BeginReceiveRequest (AsyncCallback callback, object state)
{
return BeginReceiveRequest (DefaultReceiveTimeout, callback, state);
}
Func<TimeSpan,RequestContext> recv_delegate;
public virtual IAsyncResult BeginReceiveRequest (TimeSpan timeout, AsyncCallback callback, object state)
{
if (recv_delegate == null)
recv_delegate = new Func<TimeSpan,RequestContext> (ReceiveRequest);
return recv_delegate.BeginInvoke (timeout, callback, state);
}
public virtual RequestContext EndReceiveRequest (IAsyncResult result)
{
if (recv_delegate == null)
throw new InvalidOperationException ("BeginReceiveRequest operation has not started");
return recv_delegate.EndInvoke (result);
}
Action<TimeSpan> open_delegate, close_delegate;
protected override IAsyncResult OnBeginOpen (TimeSpan timeout,
AsyncCallback callback, object state)
{
if (open_delegate == null)
open_delegate = new Action<TimeSpan> (OnOpen);
return open_delegate.BeginInvoke (timeout, callback, state);
}
protected override void OnEndOpen (IAsyncResult result)
{
if (open_delegate == null)
throw new InvalidOperationException ("async open operation has not started");
open_delegate.EndInvoke (result);
}
protected override IAsyncResult OnBeginClose (TimeSpan timeout,
AsyncCallback callback, object state)
{
if (close_delegate == null)
close_delegate = new Action<TimeSpan> (OnClose);
return close_delegate.BeginInvoke (timeout, callback, state);
}
protected override void OnEndClose (IAsyncResult result)
{
if (close_delegate == null)
throw new InvalidOperationException ("async close operation has not started");
close_delegate.EndInvoke (result);
}
}
}
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