internal TransactedBatchContext(SharedTransactedBatchContext shared)
{
this.shared = shared;
this.transaction = TransactionBehavior.CreateTransaction(shared.IsolationLevel, shared.TransactionTimeout);
this.transaction.EnlistVolatile(this, EnlistmentOptions.None);
if (shared.TransactionTimeout <= TimeSpan.Zero)
this.commitNotLaterThan = DateTime.MaxValue;
else
this.commitNotLaterThan = DateTime.UtcNow + TimeSpan.FromMilliseconds(shared.TransactionTimeout.TotalMilliseconds * 4 / 5);
this.commits = 0;
this.batchFinished = false;
this.inDispatch = false;
}
internal TransactedBatchContext(SharedTransactedBatchContext shared)
{
this.shared = shared;
this.transaction = TransactionBehavior.CreateTransaction(shared.IsolationLevel, shared.TransactionTimeout);
this.transaction.EnlistVolatile(this, EnlistmentOptions.None);
if (shared.TransactionTimeout <= TimeSpan.Zero)
{
this.commitNotLaterThan = DateTime.MaxValue;
}
else
{
this.commitNotLaterThan = DateTime.UtcNow + TimeSpan.FromMilliseconds((shared.TransactionTimeout.TotalMilliseconds * 4.0) / 5.0);
}
this.commits = 0;
this.batchFinished = false;
this.inDispatch = false;
}
internal ChannelHandler(ChannelHandler handler, TransactedBatchContext context)
{
this.messageVersion = handler.messageVersion;
this.isManualAddressing = handler.isManualAddressing;
this.binder = handler.binder;
this.listener = handler.listener;
this.wasChannelThrottled = handler.wasChannelThrottled;
this.host = handler.host;
this.receiveSynchronously = true;
this.receiveWithTransaction = true;
this.duplexBinder = handler.duplexBinder;
this.hasSession = handler.hasSession;
this.isConcurrent = handler.isConcurrent;
this.receiver = handler.receiver;
this.sharedTransactedBatchContext = context.Shared;
this.transactedBatchContext = context;
this.requestInfo = new RequestInfo(this);
}
internal ChannelHandler(MessageVersion messageVersion, IChannelBinder binder, ServiceThrottle throttle,
ListenerHandler listener, bool wasChannelThrottled, WrappedTransaction acceptTransaction, SessionIdleManager idleManager)
{
ChannelDispatcher channelDispatcher = listener.ChannelDispatcher;
this.messageVersion = messageVersion;
this.isManualAddressing = channelDispatcher.ManualAddressing;
this.binder = binder;
this.throttle = throttle;
this.listener = listener;
this.wasChannelThrottled = wasChannelThrottled;
this.host = listener.Host;
this.receiveSynchronously = channelDispatcher.ReceiveSynchronously;
this.sendAsynchronously = channelDispatcher.SendAsynchronously;
this.duplexBinder = binder as DuplexChannelBinder;
this.hasSession = binder.HasSession;
this.isConcurrent = ConcurrencyBehavior.IsConcurrent(channelDispatcher, this.hasSession);
if (channelDispatcher.MaxPendingReceives > 1)
{
// We need to preserve order if the ChannelHandler is not concurrent.
this.binder = new MultipleReceiveBinder(
this.binder,
channelDispatcher.MaxPendingReceives,
!this.isConcurrent);
}
if (channelDispatcher.BufferedReceiveEnabled)
{
this.binder = new BufferedReceiveBinder(this.binder);
}
this.receiver = new ErrorHandlingReceiver(this.binder, channelDispatcher);
this.idleManager = idleManager;
Fx.Assert((this.idleManager != null) == (this.binder.HasSession && this.listener.ChannelDispatcher.DefaultCommunicationTimeouts.ReceiveTimeout != TimeSpan.MaxValue), "idle manager is present only when there is a session with a finite receive timeout");
if (channelDispatcher.IsTransactedReceive && !channelDispatcher.ReceiveContextEnabled)
{
receiveSynchronously = true;
receiveWithTransaction = true;
if (channelDispatcher.MaxTransactedBatchSize > 0)
{
int maxConcurrentBatches = 1;
if (null != throttle && throttle.MaxConcurrentCalls > 1)
{
maxConcurrentBatches = throttle.MaxConcurrentCalls;
foreach (EndpointDispatcher endpointDispatcher in channelDispatcher.Endpoints)
{
if (ConcurrencyMode.Multiple != endpointDispatcher.DispatchRuntime.ConcurrencyMode)
{
maxConcurrentBatches = 1;
break;
}
}
}
this.sharedTransactedBatchContext = new SharedTransactedBatchContext(this, channelDispatcher, maxConcurrentBatches);
this.isMainTransactedBatchHandler = true;
this.throttle = null;
}
}
else if (channelDispatcher.IsTransactedReceive && channelDispatcher.ReceiveContextEnabled && channelDispatcher.MaxTransactedBatchSize > 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.IncompatibleBehaviors)));
}
if (this.binder.HasSession)
{
this.sessionOpenNotification = this.binder.Channel.GetProperty<SessionOpenNotification>();
this.needToCreateSessionOpenNotificationMessage = this.sessionOpenNotification != null && this.sessionOpenNotification.IsEnabled;
}
this.acceptTransaction = acceptTransaction;
this.requestInfo = new RequestInfo(this);
if (this.listener.State == CommunicationState.Opened)
{
this.listener.ChannelDispatcher.Channels.IncrementActivityCount();
this.incrementedActivityCountInConstructor = true;
}
}
internal ChannelHandler(ChannelHandler handler, TransactedBatchContext context)
{
this.messageVersion = handler.messageVersion;
this.isManualAddressing = handler.isManualAddressing;
this.binder = handler.binder;
this.listener = handler.listener;
this.wasChannelThrottled = handler.wasChannelThrottled;
this.host = handler.host;
this.receiveSynchronously = true;
this.receiveWithTransaction = true;
this.duplexBinder = handler.duplexBinder;
this.hasSession = handler.hasSession;
this.isConcurrent = handler.isConcurrent;
this.receiver = handler.receiver;
this.sharedTransactedBatchContext = context.Shared;
this.transactedBatchContext = context;
this.requestInfo = new RequestInfo(this);
this.sendAsynchronously = handler.sendAsynchronously;
this.sessionOpenNotification = handler.sessionOpenNotification;
this.needToCreateSessionOpenNotificationMessage = handler.needToCreateSessionOpenNotificationMessage;
this.shouldRejectMessageWithOnOpenActionHeader = handler.shouldRejectMessageWithOnOpenActionHeader;
}
internal ChannelHandler(MessageVersion messageVersion, IChannelBinder binder, ServiceThrottle throttle, ListenerHandler listener, bool wasChannelThrottled, WrappedTransaction acceptTransaction, ServiceChannel.SessionIdleManager idleManager)
{
ChannelDispatcher channelDispatcher = listener.ChannelDispatcher;
this.messageVersion = messageVersion;
this.isManualAddressing = channelDispatcher.ManualAddressing;
this.binder = binder;
this.throttle = throttle;
this.listener = listener;
this.wasChannelThrottled = wasChannelThrottled;
this.host = listener.Host;
this.receiveSynchronously = channelDispatcher.ReceiveSynchronously;
this.duplexBinder = binder as DuplexChannelBinder;
this.hasSession = binder.HasSession;
this.isConcurrent = ConcurrencyBehavior.IsConcurrent(channelDispatcher, this.hasSession);
if (channelDispatcher.MaxPendingReceives > 1)
{
this.binder = new MultipleReceiveBinder(this.binder, channelDispatcher.MaxPendingReceives, !this.isConcurrent);
}
if (channelDispatcher.BufferedReceiveEnabled)
{
this.binder = new BufferedReceiveBinder(this.binder);
}
this.receiver = new ErrorHandlingReceiver(this.binder, channelDispatcher);
this.idleManager = idleManager;
if (!channelDispatcher.IsTransactedReceive || channelDispatcher.ReceiveContextEnabled)
{
if ((channelDispatcher.IsTransactedReceive && channelDispatcher.ReceiveContextEnabled) && (channelDispatcher.MaxTransactedBatchSize > 0))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(System.ServiceModel.SR.GetString("IncompatibleBehaviors")));
}
}
else
{
this.receiveSynchronously = true;
this.receiveWithTransaction = true;
if (channelDispatcher.MaxTransactedBatchSize > 0)
{
int maxConcurrentBatches = 1;
if ((throttle != null) && (throttle.MaxConcurrentCalls > 1))
{
maxConcurrentBatches = throttle.MaxConcurrentCalls;
foreach (EndpointDispatcher dispatcher2 in channelDispatcher.Endpoints)
{
if (ConcurrencyMode.Multiple != dispatcher2.DispatchRuntime.ConcurrencyMode)
{
maxConcurrentBatches = 1;
break;
}
}
}
this.sharedTransactedBatchContext = new SharedTransactedBatchContext(this, channelDispatcher, maxConcurrentBatches);
this.isMainTransactedBatchHandler = true;
this.throttle = null;
}
}
this.acceptTransaction = acceptTransaction;
this.requestInfo = new RequestInfo(this);
if (!this.hasSession && (this.listener.State == CommunicationState.Opened))
{
this.listener.ChannelDispatcher.Channels.IncrementActivityCount();
this.incrementedActivityCountInConstructor = true;
}
}