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//----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//----------------------------------------------------------------------------
namespace System.ServiceModel.Channels
{
using System.Runtime;
using System.ServiceModel;
class ReliableChannelFactory<TChannel, InnerChannel> : ChannelFactoryBase<TChannel>, IReliableFactorySettings
where InnerChannel : class, IChannel
{
TimeSpan acknowledgementInterval;
FaultHelper faultHelper;
bool flowControlEnabled;
TimeSpan inactivityTimeout;
int maxPendingChannels;
int maxRetryCount;
int maxTransferWindowSize;
MessageVersion messageVersion;
bool ordered;
ReliableMessagingVersion reliableMessagingVersion;
IChannelFactory<InnerChannel> innerChannelFactory;
public ReliableChannelFactory(ReliableSessionBindingElement settings, IChannelFactory<InnerChannel> innerChannelFactory, Binding binding)
: base(binding)
{
this.acknowledgementInterval = settings.AcknowledgementInterval;
this.flowControlEnabled = settings.FlowControlEnabled;
this.inactivityTimeout = settings.InactivityTimeout;
this.maxPendingChannels = settings.MaxPendingChannels;
this.maxRetryCount = settings.MaxRetryCount;
this.maxTransferWindowSize = settings.MaxTransferWindowSize;
this.messageVersion = binding.MessageVersion;
this.ordered = settings.Ordered;
this.reliableMessagingVersion = settings.ReliableMessagingVersion;
this.innerChannelFactory = innerChannelFactory;
this.faultHelper = new SendFaultHelper(binding.SendTimeout, binding.CloseTimeout);
}
public TimeSpan AcknowledgementInterval
{
get { return this.acknowledgementInterval; }
}
public FaultHelper FaultHelper
{
get { return this.faultHelper; }
}
public bool FlowControlEnabled
{
get { return this.flowControlEnabled; }
}
public TimeSpan InactivityTimeout
{
get { return this.inactivityTimeout; }
}
protected IChannelFactory<InnerChannel> InnerChannelFactory
{
get { return this.innerChannelFactory; }
}
public int MaxPendingChannels
{
get { return this.maxPendingChannels; }
}
public int MaxRetryCount
{
get { return this.maxRetryCount; }
}
public MessageVersion MessageVersion
{
get { return this.messageVersion; }
}
public int MaxTransferWindowSize
{
get { return this.maxTransferWindowSize; }
}
public bool Ordered
{
get { return this.ordered; }
}
public ReliableMessagingVersion ReliableMessagingVersion
{
get { return this.reliableMessagingVersion; }
}
public override T GetProperty<T>()
{
if (typeof(T) == typeof(IChannelFactory<TChannel>))
{
return (T)(object)this;
}
T baseProperty = base.GetProperty<T>();
if (baseProperty != null)
{
return baseProperty;
}
return this.innerChannelFactory.GetProperty<T>();
}
public TimeSpan SendTimeout
{
get { return this.InternalSendTimeout; }
}
protected override void OnAbort()
{
// Aborting base first to abort channels. Must abort higher channels before aborting lower channels.
base.OnAbort();
this.faultHelper.Abort();
this.innerChannelFactory.Abort();
}
protected override void OnOpen(TimeSpan timeout)
{
this.innerChannelFactory.Open(timeout);
}
protected override IAsyncResult OnBeginOpen(TimeSpan timeout, AsyncCallback callback, object state)
{
return this.innerChannelFactory.BeginOpen(callback, state);
}
protected override void OnEndOpen(IAsyncResult result)
{
this.innerChannelFactory.EndOpen(result);
}
protected override void OnClose(TimeSpan timeout)
{
TimeoutHelper timeoutHelper = new TimeoutHelper(timeout);
// Closing base first to close channels. Must close higher channels before closing lower channels.
base.OnClose(timeoutHelper.RemainingTime());
this.faultHelper.Close(timeoutHelper.RemainingTime());
this.innerChannelFactory.Close(timeoutHelper.RemainingTime());
}
protected override IAsyncResult OnBeginClose(TimeSpan timeout, AsyncCallback callback, object state)
{
// Closing base first to close channels. Must close higher channels before closing lower channels.
return OperationWithTimeoutComposer.BeginComposeAsyncOperations(
timeout,
new OperationWithTimeoutBeginCallback[]
{
new OperationWithTimeoutBeginCallback(base.OnBeginClose),
new OperationWithTimeoutBeginCallback(this.faultHelper.BeginClose),
new OperationWithTimeoutBeginCallback(this.innerChannelFactory.BeginClose)
},
new OperationEndCallback[]
{
new OperationEndCallback(base.OnEndClose),
new OperationEndCallback(this.faultHelper.EndClose),
new OperationEndCallback(this.innerChannelFactory.EndClose)
},
callback,
state);
}
protected override void OnEndClose(IAsyncResult result)
{
OperationWithTimeoutComposer.EndComposeAsyncOperations(result);
}
protected override TChannel OnCreateChannel(EndpointAddress address, Uri via)
{
LateBoundChannelParameterCollection channelParameters = new LateBoundChannelParameterCollection();
IClientReliableChannelBinder binder = ClientReliableChannelBinder<InnerChannel>.CreateBinder(address, via,
this.InnerChannelFactory, MaskingMode.All,
TolerateFaultsMode.IfNotSecuritySession, channelParameters, this.DefaultCloseTimeout,
this.DefaultSendTimeout);
if (typeof(TChannel) == typeof(IOutputSessionChannel))
{
if (typeof(InnerChannel) == typeof(IDuplexChannel) || typeof(InnerChannel) == typeof(IDuplexSessionChannel))
return (TChannel)(object)new ReliableOutputSessionChannelOverDuplex(this, this, binder, this.faultHelper, channelParameters);
// typeof(InnerChannel) == typeof(IRequestChannel) || typeof(InnerChannel) == typeof(IRequestSessionChannel))
return (TChannel)(object)new ReliableOutputSessionChannelOverRequest(this, this, binder, this.faultHelper, channelParameters);
}
else if (typeof(TChannel) == typeof(IDuplexSessionChannel))
{
return (TChannel)(object)new ClientReliableDuplexSessionChannel(this, this, binder, this.faultHelper, channelParameters, WsrmUtilities.NextSequenceId());
}
// (typeof(TChannel) == typeof(IRequestSessionChannel)
return (TChannel)(object)new ReliableRequestSessionChannel(this, this, binder, this.faultHelper, channelParameters, WsrmUtilities.NextSequenceId());
}
}
}
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