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//
// System.Runtime.Remoting.Messaging/AsyncResult.cs
//
// Authors:
// Joe Shaw (joe@ximian.com)
// Martin Baulig (martin@gnome.org)
// Dietmar Maurer (dietmar@ximian.com)
// Duncan Mak (duncan@ximian.com)
//
// (C) 2001 Ximian, Inc. http://www.ximian.com
// Copyright (C) 2004-2005 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.Threading;
using System.Runtime.CompilerServices;
namespace System.Runtime.Remoting.Messaging {
#if NET_2_0
[System.Runtime.InteropServices.ComVisible (true)]
#endif
public class AsyncResult : IAsyncResult, IMessageSink {
#pragma warning disable 169, 414, 649
object async_state;
WaitHandle handle;
object async_delegate;
IntPtr data;
object object_data;
bool sync_completed;
bool completed;
bool endinvoke_called;
object async_callback;
ExecutionContext current;
ExecutionContext original;
#pragma warning restore 169, 414, 649
// not part of MonoAsyncResult...
MonoMethodMessage call_message;
IMessageCtrl message_ctrl;
IMessage reply_message;
internal AsyncResult ()
{
}
public virtual object AsyncState
{
get {
return async_state;
}
}
public virtual WaitHandle AsyncWaitHandle {
get {
lock (this) {
if (handle == null)
handle = new ManualResetEvent (completed);
return handle;
}
}
}
public virtual bool CompletedSynchronously
{
get {
return sync_completed;
}
}
public virtual bool IsCompleted
{
get {
return completed;
}
}
public bool EndInvokeCalled
{
get {
return endinvoke_called;
}
set {
endinvoke_called = value;
}
}
public virtual object AsyncDelegate
{
get {
return async_delegate;
}
}
public IMessageSink NextSink {
get {
return null;
}
}
public virtual IMessageCtrl AsyncProcessMessage (IMessage msg, IMessageSink replySink)
{
// Never called
throw new NotSupportedException ();
}
public virtual IMessage GetReplyMessage()
{
return reply_message;
}
public virtual void SetMessageCtrl (IMessageCtrl mc)
{
message_ctrl = mc;
}
internal void SetCompletedSynchronously (bool completed)
{
sync_completed = completed;
}
internal IMessage EndInvoke ()
{
lock (this) {
if (completed)
return reply_message;
}
AsyncWaitHandle.WaitOne ();
return reply_message;
}
public virtual IMessage SyncProcessMessage (IMessage msg)
{
reply_message = msg;
lock (this) {
completed = true;
if (handle != null)
((ManualResetEvent) AsyncWaitHandle).Set ();
}
if (async_callback != null) {
AsyncCallback ac = (AsyncCallback) async_callback;
ac (this);
}
return null;
}
internal MonoMethodMessage CallMessage
{
get { return call_message; }
set { call_message = value; }
}
}
}
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