224 lines
8.8 KiB
C#
Executable File
224 lines
8.8 KiB
C#
Executable File
//
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// Author: Atsushi Enomoto <atsushi@ximian.com>
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//
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// Copyright (C) 2009,2010 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.ServiceModel;
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using System.ServiceModel.Channels;
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using System.ServiceModel.Description;
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using System.ServiceModel.Dispatcher;
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using System.ServiceModel.Discovery.Version11;
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using System.ServiceModel.Discovery.VersionApril2005;
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using System.ServiceModel.Discovery.VersionCD1;
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using System.Threading;
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namespace System.ServiceModel.Discovery
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{
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// To be usable as ServiceType, it must implement contract interfaces.
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// However, there is no public interfaces, so they must be internal.
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[ServiceBehavior (InstanceContextMode = InstanceContextMode.Single, ConcurrencyMode = ConcurrencyMode.Multiple)]
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public class AnnouncementService : IAnnouncementContract11, IAnnouncementContractApril2005, IAnnouncementContractCD1
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{
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public AnnouncementService ()
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: this (0)
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{
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}
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public AnnouncementService (int duplicateMessageHistoryLength)
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{
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}
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public event EventHandler<AnnouncementEventArgs> OfflineAnnouncementReceived;
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public event EventHandler<AnnouncementEventArgs> OnlineAnnouncementReceived;
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Action<object,AnnouncementEventArgs> online, offline;
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protected virtual IAsyncResult OnBeginOfflineAnnouncement (DiscoveryMessageSequence messageSequence, EndpointDiscoveryMetadata endpointDiscoveryMetadata, AsyncCallback callback, object state)
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{
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// FIXME: this is a workaround for (similar to) bug #633945.
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switch (Environment.OSVersion.Platform) {
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case PlatformID.Unix:
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case PlatformID.MacOSX:
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if (offline == null)
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offline = new Action<object,AnnouncementEventArgs> (OfflineAnnouncementReceived ?? delegate {});
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return offline.BeginInvoke (this, new AnnouncementEventArgs (endpointDiscoveryMetadata, messageSequence), callback, state);
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default:
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if (OfflineAnnouncementReceived != null)
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OfflineAnnouncementReceived (this, new AnnouncementEventArgs (endpointDiscoveryMetadata, messageSequence));
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var result = new TempAsyncResult (null, state);
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if (callback != null)
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callback (result);
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return result;
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}
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}
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protected virtual IAsyncResult OnBeginOnlineAnnouncement (DiscoveryMessageSequence messageSequence, EndpointDiscoveryMetadata endpointDiscoveryMetadata, AsyncCallback callback, object state)
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{
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// FIXME: this is a workaround for (similar to) bug #633945.
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switch (Environment.OSVersion.Platform) {
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case PlatformID.Unix:
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case PlatformID.MacOSX:
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if (online == null)
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online = new Action<object,AnnouncementEventArgs> (OnlineAnnouncementReceived ?? delegate {});
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return online.BeginInvoke (this, new AnnouncementEventArgs (endpointDiscoveryMetadata, messageSequence), callback, state);
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default:
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if (OnlineAnnouncementReceived != null)
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OnlineAnnouncementReceived (this, new AnnouncementEventArgs (endpointDiscoveryMetadata, messageSequence));
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var result = new TempAsyncResult (null, state);
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if (callback != null)
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callback (result);
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return result;
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}
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}
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protected virtual void OnEndOfflineAnnouncement (IAsyncResult result)
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{
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// FIXME: this is a workaround for (similar to) bug #633945.
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switch (Environment.OSVersion.Platform) {
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case PlatformID.Unix:
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case PlatformID.MacOSX:
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offline.EndInvoke (result);
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break;
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default:
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// do nothing
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break;
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}
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}
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protected virtual void OnEndOnlineAnnouncement (IAsyncResult result)
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{
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// FIXME: this is a workaround for (similar to) bug #633945.
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switch (Environment.OSVersion.Platform) {
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case PlatformID.Unix:
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case PlatformID.MacOSX:
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online.EndInvoke (result);
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break;
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default:
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// do nothing
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break;
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}
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}
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// BeginOnlineAnnouncement
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IAsyncResult IAnnouncementContract11.BeginOnlineAnnouncement (MessageContracts11.OnlineAnnouncement msg, AsyncCallback callback, object state)
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{
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var msq = msg.MessageSequence != null ? msg.MessageSequence.ToDiscoveryMessageSequence () : null;
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var edm = msg.EndpointDiscoveryMetadata != null ? msg.EndpointDiscoveryMetadata.ToEndpointDiscoveryMetadata () : null;
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return OnBeginOnlineAnnouncement (msq, edm, callback, state);
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}
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IAsyncResult IAnnouncementContractApril2005.BeginOnlineAnnouncement (MessageContractsApril2005.OnlineAnnouncement msg, AsyncCallback callback, object state)
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{
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var msq = msg.MessageSequence != null ? msg.MessageSequence.ToDiscoveryMessageSequence () : null;
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var edm = msg.EndpointDiscoveryMetadata != null ? msg.EndpointDiscoveryMetadata.ToEndpointDiscoveryMetadata () : null;
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return OnBeginOnlineAnnouncement (msq, edm, callback, state);
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}
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IAsyncResult IAnnouncementContractCD1.BeginOnlineAnnouncement (MessageContractsCD1.OnlineAnnouncement msg, AsyncCallback callback, object state)
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{
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var msq = msg.MessageSequence != null ? msg.MessageSequence.ToDiscoveryMessageSequence () : null;
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var edm = msg.EndpointDiscoveryMetadata != null ? msg.EndpointDiscoveryMetadata.ToEndpointDiscoveryMetadata () : null;
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return OnBeginOnlineAnnouncement (msq, edm, callback, state);
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}
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// EndOnlineAnnouncement
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void IAnnouncementContract11.EndOnlineAnnouncement (IAsyncResult result)
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{
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OnEndOnlineAnnouncement (result);
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}
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void IAnnouncementContractApril2005.EndOnlineAnnouncement (IAsyncResult result)
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{
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OnEndOnlineAnnouncement (result);
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}
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void IAnnouncementContractCD1.EndOnlineAnnouncement (IAsyncResult result)
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{
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OnEndOnlineAnnouncement (result);
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}
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// BeginOfflineAnnouncement
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IAsyncResult IAnnouncementContract11.BeginOfflineAnnouncement (MessageContracts11.OfflineAnnouncement msg, AsyncCallback callback, object state)
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{
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var msq = msg.MessageSequence != null ? msg.MessageSequence.ToDiscoveryMessageSequence () : null;
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var edm = msg.EndpointDiscoveryMetadata != null ? msg.EndpointDiscoveryMetadata.ToEndpointDiscoveryMetadata () : null;
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return OnBeginOfflineAnnouncement (msq, edm, callback, state);
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}
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IAsyncResult IAnnouncementContractApril2005.BeginOfflineAnnouncement (MessageContractsApril2005.OfflineAnnouncement msg, AsyncCallback callback, object state)
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{
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var msq = msg.MessageSequence != null ? msg.MessageSequence.ToDiscoveryMessageSequence () : null;
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var edm = msg.EndpointDiscoveryMetadata != null ? msg.EndpointDiscoveryMetadata.ToEndpointDiscoveryMetadata () : null;
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return OnBeginOfflineAnnouncement (msq, edm, callback, state);
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}
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IAsyncResult IAnnouncementContractCD1.BeginOfflineAnnouncement (MessageContractsCD1.OfflineAnnouncement msg, AsyncCallback callback, object state)
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{
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var msq = msg.MessageSequence != null ? msg.MessageSequence.ToDiscoveryMessageSequence () : null;
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var edm = msg.EndpointDiscoveryMetadata != null ? msg.EndpointDiscoveryMetadata.ToEndpointDiscoveryMetadata () : null;
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return OnBeginOfflineAnnouncement (msq, edm, callback, state);
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}
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// EndOfflineAnnouncement
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void IAnnouncementContract11.EndOfflineAnnouncement (IAsyncResult result)
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{
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OnEndOfflineAnnouncement (result);
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}
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void IAnnouncementContractApril2005.EndOfflineAnnouncement (IAsyncResult result)
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{
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OnEndOfflineAnnouncement (result);
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}
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void IAnnouncementContractCD1.EndOfflineAnnouncement (IAsyncResult result)
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{
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OnEndOfflineAnnouncement (result);
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}
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}
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// FIXME: It is introduced for a workaround for (similar to) bug #633945. Remove this class and all of its usage once that bug gets fixed.
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class TempAsyncResult : IAsyncResult
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{
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public TempAsyncResult (object returnValue, object state)
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{
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ReturnValue = returnValue;
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AsyncState = state;
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CompletedSynchronously = true;
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IsCompleted = true;
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AsyncWaitHandle = new ManualResetEvent (true);
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}
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public object ReturnValue { get; set; }
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public object AsyncState { get; set; }
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public bool CompletedSynchronously { get; set; }
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public bool IsCompleted { get; set; }
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public WaitHandle AsyncWaitHandle { get; set; }
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}
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}
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