446 lines
16 KiB
C#
446 lines
16 KiB
C#
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//------------------------------------------------------------
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//------------------------------------------------------------
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namespace System.ServiceModel.Channels
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{
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Runtime;
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using System.ServiceModel;
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using System.ServiceModel.Description;
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using System.Xml;
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public abstract class ConnectionOrientedTransportBindingElement
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: TransportBindingElement,
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IWsdlExportExtension,
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IPolicyExportExtension,
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ITransportPolicyImport
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{
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int connectionBufferSize;
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bool exposeConnectionProperty;
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HostNameComparisonMode hostNameComparisonMode;
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bool inheritBaseAddressSettings;
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TimeSpan channelInitializationTimeout;
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int maxBufferSize;
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bool maxBufferSizeInitialized;
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int maxPendingConnections;
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TimeSpan maxOutputDelay;
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int maxPendingAccepts;
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TransferMode transferMode;
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bool isMaxPendingConnectionsSet;
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bool isMaxPendingAcceptsSet;
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internal ConnectionOrientedTransportBindingElement()
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: base()
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{
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this.connectionBufferSize = ConnectionOrientedTransportDefaults.ConnectionBufferSize;
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this.hostNameComparisonMode = ConnectionOrientedTransportDefaults.HostNameComparisonMode;
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this.channelInitializationTimeout = ConnectionOrientedTransportDefaults.ChannelInitializationTimeout;
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this.maxBufferSize = TransportDefaults.MaxBufferSize;
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this.maxPendingConnections = ConnectionOrientedTransportDefaults.GetMaxPendingConnections();
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this.maxOutputDelay = ConnectionOrientedTransportDefaults.MaxOutputDelay;
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this.maxPendingAccepts = ConnectionOrientedTransportDefaults.GetMaxPendingAccepts();
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this.transferMode = ConnectionOrientedTransportDefaults.TransferMode;
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}
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internal ConnectionOrientedTransportBindingElement(ConnectionOrientedTransportBindingElement elementToBeCloned)
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: base(elementToBeCloned)
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{
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this.connectionBufferSize = elementToBeCloned.connectionBufferSize;
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this.exposeConnectionProperty = elementToBeCloned.exposeConnectionProperty;
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this.hostNameComparisonMode = elementToBeCloned.hostNameComparisonMode;
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this.inheritBaseAddressSettings = elementToBeCloned.InheritBaseAddressSettings;
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this.channelInitializationTimeout = elementToBeCloned.ChannelInitializationTimeout;
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this.maxBufferSize = elementToBeCloned.maxBufferSize;
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this.maxBufferSizeInitialized = elementToBeCloned.maxBufferSizeInitialized;
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this.maxPendingConnections = elementToBeCloned.maxPendingConnections;
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this.maxOutputDelay = elementToBeCloned.maxOutputDelay;
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this.maxPendingAccepts = elementToBeCloned.maxPendingAccepts;
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this.transferMode = elementToBeCloned.transferMode;
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this.isMaxPendingConnectionsSet = elementToBeCloned.isMaxPendingConnectionsSet;
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this.isMaxPendingAcceptsSet = elementToBeCloned.isMaxPendingAcceptsSet;
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}
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// client
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// server
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[DefaultValue(ConnectionOrientedTransportDefaults.ConnectionBufferSize)]
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public int ConnectionBufferSize
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{
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get
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{
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return this.connectionBufferSize;
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}
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set
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{
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if (value < 0)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value", value,
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SR.GetString(SR.ValueMustBeNonNegative)));
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}
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this.connectionBufferSize = value;
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}
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}
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// client
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internal bool ExposeConnectionProperty
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{
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get
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{
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return this.exposeConnectionProperty;
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}
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set
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{
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this.exposeConnectionProperty = value;
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}
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}
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[DefaultValue(ConnectionOrientedTransportDefaults.HostNameComparisonMode)]
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public HostNameComparisonMode HostNameComparisonMode
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{
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get
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{
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return this.hostNameComparisonMode;
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}
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set
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{
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HostNameComparisonModeHelper.Validate(value);
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this.hostNameComparisonMode = value;
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}
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}
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// server
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[DefaultValue(TransportDefaults.MaxBufferSize)]
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public int MaxBufferSize
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{
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get
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{
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if (maxBufferSizeInitialized || TransferMode != TransferMode.Buffered)
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{
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return maxBufferSize;
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}
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long maxReceivedMessageSize = MaxReceivedMessageSize;
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if (maxReceivedMessageSize > int.MaxValue)
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{
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return int.MaxValue;
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}
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else
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{
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return (int)maxReceivedMessageSize;
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}
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}
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set
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{
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if (value <= 0)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value", value,
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SR.GetString(SR.ValueMustBePositive)));
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}
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maxBufferSizeInitialized = true;
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this.maxBufferSize = value;
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}
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}
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// server
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public int MaxPendingConnections
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{
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get
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{
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return this.maxPendingConnections;
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}
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set
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{
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if (value <= 0)
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value", value,
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SR.GetString(SR.ValueMustBePositive)));
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this.maxPendingConnections = value;
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this.isMaxPendingConnectionsSet = true;
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}
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}
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internal bool IsMaxPendingConnectionsSet
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{
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get { return this.isMaxPendingConnectionsSet; }
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}
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// MB#26970: used by MEX to ensure that we don't conflict on base-address scoped settings
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internal bool InheritBaseAddressSettings
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{
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get
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{
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return this.inheritBaseAddressSettings;
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}
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set
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{
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this.inheritBaseAddressSettings = value;
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}
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}
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// server
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[DefaultValue(typeof(TimeSpan), ConnectionOrientedTransportDefaults.ChannelInitializationTimeoutString)]
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public TimeSpan ChannelInitializationTimeout
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{
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get
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{
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return this.channelInitializationTimeout;
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}
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set
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{
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if (value <= TimeSpan.Zero)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value", value,
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SR.GetString(SR.TimeSpanMustbeGreaterThanTimeSpanZero)));
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}
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if (TimeoutHelper.IsTooLarge(value))
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value", value,
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SR.GetString(SR.SFxTimeoutOutOfRangeTooBig)));
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}
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this.channelInitializationTimeout = value;
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}
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}
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// server
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[DefaultValue(typeof(TimeSpan), ConnectionOrientedTransportDefaults.MaxOutputDelayString)]
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public TimeSpan MaxOutputDelay
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{
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get
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{
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return this.maxOutputDelay;
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}
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set
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{
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if (value < TimeSpan.Zero)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value", value,
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SR.GetString(SR.SFxTimeoutOutOfRange0)));
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}
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if (TimeoutHelper.IsTooLarge(value))
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value", value,
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SR.GetString(SR.SFxTimeoutOutOfRangeTooBig)));
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}
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this.maxOutputDelay = value;
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}
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}
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// server
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public int MaxPendingAccepts
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{
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get
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{
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return this.maxPendingAccepts;
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}
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set
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{
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if (value <= 0)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value", value,
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SR.GetString(SR.ValueMustBePositive)));
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}
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this.maxPendingAccepts = value;
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this.isMaxPendingAcceptsSet = true;
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}
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}
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internal bool IsMaxPendingAcceptsSet
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{
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get { return this.isMaxPendingAcceptsSet; }
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}
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// client
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// server
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[DefaultValue(ConnectionOrientedTransportDefaults.TransferMode)]
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public TransferMode TransferMode
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{
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get
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{
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return this.transferMode;
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}
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set
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{
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TransferModeHelper.Validate(value);
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this.transferMode = value;
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}
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}
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public override bool CanBuildChannelFactory<TChannel>(BindingContext context)
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{
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if (context == null)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("context");
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}
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if (TransferMode == TransferMode.Buffered)
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{
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return (typeof(TChannel) == typeof(IDuplexSessionChannel));
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}
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else
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{
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return (typeof(TChannel) == typeof(IRequestChannel));
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}
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}
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public override bool CanBuildChannelListener<TChannel>(BindingContext context)
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{
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if (context == null)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("context");
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}
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if (TransferMode == TransferMode.Buffered)
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{
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return (typeof(TChannel) == typeof(IDuplexSessionChannel));
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}
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else
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{
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return (typeof(TChannel) == typeof(IReplyChannel));
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}
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}
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void IPolicyExportExtension.ExportPolicy(MetadataExporter exporter, PolicyConversionContext context)
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{
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if (exporter == null)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("exporter");
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}
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if (context == null)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("context");
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}
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ICollection<XmlElement> policyAssertions = context.GetBindingAssertions();
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if (TransferModeHelper.IsRequestStreamed(this.TransferMode)
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|| TransferModeHelper.IsResponseStreamed(this.TransferMode))
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{
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policyAssertions.Add(new XmlDocument().CreateElement(TransportPolicyConstants.DotNetFramingPrefix,
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TransportPolicyConstants.StreamedName, TransportPolicyConstants.DotNetFramingNamespace));
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}
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bool createdNew;
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MessageEncodingBindingElement encodingBindingElement = FindMessageEncodingBindingElement(context.BindingElements, out createdNew);
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if (createdNew && encodingBindingElement is IPolicyExportExtension)
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{
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encodingBindingElement = new BinaryMessageEncodingBindingElement();
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((IPolicyExportExtension)encodingBindingElement).ExportPolicy(exporter, context);
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}
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WsdlExporter.WSAddressingHelper.AddWSAddressingAssertion(exporter, context, encodingBindingElement.MessageVersion.Addressing);
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}
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void IWsdlExportExtension.ExportContract(WsdlExporter exporter, WsdlContractConversionContext context) { }
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internal abstract string WsdlTransportUri { get; }
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void IWsdlExportExtension.ExportEndpoint(WsdlExporter exporter, WsdlEndpointConversionContext endpointContext)
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{
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bool createdNew;
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MessageEncodingBindingElement encodingBindingElement = FindMessageEncodingBindingElement(endpointContext, out createdNew);
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TransportBindingElement.ExportWsdlEndpoint(exporter, endpointContext, this.WsdlTransportUri, encodingBindingElement.MessageVersion.Addressing);
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}
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void ITransportPolicyImport.ImportPolicy(MetadataImporter importer, PolicyConversionContext policyContext)
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{
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if (PolicyConversionContext.FindAssertion(policyContext.GetBindingAssertions(), TransportPolicyConstants.StreamedName, TransportPolicyConstants.DotNetFramingNamespace, true) != null)
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{
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this.TransferMode = TransferMode.Streamed;
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}
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WindowsStreamSecurityBindingElement.ImportPolicy(importer, policyContext);
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SslStreamSecurityBindingElement.ImportPolicy(importer, policyContext);
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}
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public override T GetProperty<T>(BindingContext context)
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{
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if (context == null)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("context");
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}
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if (typeof(T) == typeof(TransferMode))
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{
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return (T)(object)this.TransferMode;
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}
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else
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{
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return base.GetProperty<T>(context);
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}
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}
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internal override bool IsMatch(BindingElement b)
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{
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if (!base.IsMatch(b))
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return false;
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ConnectionOrientedTransportBindingElement connection = b as ConnectionOrientedTransportBindingElement;
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if (connection == null)
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return false;
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if (this.connectionBufferSize != connection.connectionBufferSize)
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return false;
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if (this.hostNameComparisonMode != connection.hostNameComparisonMode)
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return false;
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if (this.inheritBaseAddressSettings != connection.inheritBaseAddressSettings)
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return false;
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if (this.channelInitializationTimeout != connection.channelInitializationTimeout)
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{
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return false;
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}
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if (this.maxBufferSize != connection.maxBufferSize)
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return false;
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if (this.maxPendingConnections != connection.maxPendingConnections)
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return false;
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if (this.maxOutputDelay != connection.maxOutputDelay)
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return false;
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if (this.maxPendingAccepts != connection.maxPendingAccepts)
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return false;
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if (this.transferMode != connection.transferMode)
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return false;
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return true;
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}
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MessageEncodingBindingElement FindMessageEncodingBindingElement(BindingElementCollection bindingElements, out bool createdNew)
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{
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createdNew = false;
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MessageEncodingBindingElement encodingBindingElement = bindingElements.Find<MessageEncodingBindingElement>();
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if (encodingBindingElement == null)
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{
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createdNew = true;
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encodingBindingElement = new BinaryMessageEncodingBindingElement();
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}
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return encodingBindingElement;
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}
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MessageEncodingBindingElement FindMessageEncodingBindingElement(WsdlEndpointConversionContext endpointContext, out bool createdNew)
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{
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BindingElementCollection bindingElements = endpointContext.Endpoint.Binding.CreateBindingElements();
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return FindMessageEncodingBindingElement(bindingElements, out createdNew);
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}
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[EditorBrowsable(EditorBrowsableState.Never)]
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public bool ShouldSerializeMaxPendingAccepts()
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{
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return this.isMaxPendingAcceptsSet;
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}
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[EditorBrowsable(EditorBrowsableState.Never)]
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public bool ShouldSerializeMaxPendingConnections()
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{
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return this.isMaxPendingConnectionsSet;
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}
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}
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}
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