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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel
{
using System;
using System.ComponentModel;
using System.Net.Security;
using System.Runtime.CompilerServices;
using System.ServiceModel.Channels;
using System.ServiceModel.Configuration;
using System.ServiceModel.Security;
[TypeForwardedFrom("System.WorkflowServices, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35")]
public class NetTcpContextBinding : NetTcpBinding
{
bool contextManagementEnabled = ContextBindingElement.DefaultContextManagementEnabled;
ProtectionLevel contextProtectionLevel = ContextBindingElement.DefaultProtectionLevel;
public NetTcpContextBinding()
: base()
{
}
public NetTcpContextBinding(SecurityMode securityMode)
: base(securityMode)
{
}
public NetTcpContextBinding(string configName)
: base()
{
if (configName == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("configName");
}
this.ApplyConfiguration(configName);
}
public NetTcpContextBinding(SecurityMode securityMode, bool reliableSessionEnabled)
: base(securityMode, reliableSessionEnabled)
{
}
NetTcpContextBinding(NetTcpBinding netTcpBinding)
{
NetTcpContextBindingPropertyTransferHelper helper = new NetTcpContextBindingPropertyTransferHelper();
helper.InitializeFrom(netTcpBinding);
helper.SetBindingElementType(typeof(NetTcpContextBinding));
helper.ApplyConfiguration(this);
}
[DefaultValue(null)]
public Uri ClientCallbackAddress
{
get;
set;
}
[DefaultValue(ContextBindingElement.DefaultContextManagementEnabled)]
public bool ContextManagementEnabled
{
get
{
return this.contextManagementEnabled;
}
set
{
this.contextManagementEnabled = value;
}
}
[DefaultValue(ContextBindingElement.DefaultProtectionLevel)]
public ProtectionLevel ContextProtectionLevel
{
get
{
return this.contextProtectionLevel;
}
set
{
if (!ProtectionLevelHelper.IsDefined(value))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value"));
}
this.contextProtectionLevel = value;
}
}
public override BindingElementCollection CreateBindingElements()
{
BindingElementCollection result = base.CreateBindingElements();
result.Insert(0, new ContextBindingElement(this.ContextProtectionLevel, ContextExchangeMechanism.ContextSoapHeader, this.ClientCallbackAddress, this.ContextManagementEnabled));
return result;
}
internal static new bool TryCreate(BindingElementCollection bindingElements, out Binding binding)
{
if (bindingElements == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("bindingElements");
}
binding = null;
ContextBindingElement contextBindingElement = bindingElements.Find<ContextBindingElement>();
if (contextBindingElement != null && contextBindingElement.ContextExchangeMechanism != ContextExchangeMechanism.HttpCookie)
{
BindingElementCollection bindingElementsWithoutContext = new BindingElementCollection(bindingElements);
bindingElementsWithoutContext.Remove<ContextBindingElement>();
Binding netTcpBinding;
if (NetTcpBinding.TryCreate(bindingElementsWithoutContext, out netTcpBinding))
{
NetTcpContextBinding contextBinding = new NetTcpContextBinding((NetTcpBinding)netTcpBinding);
contextBinding.ContextProtectionLevel = contextBindingElement.ProtectionLevel;
contextBinding.ContextManagementEnabled = contextBindingElement.ContextManagementEnabled;
binding = contextBinding;
}
}
return binding != null;
}
void ApplyConfiguration(string configurationName)
{
NetTcpContextBindingCollectionElement section = NetTcpContextBindingCollectionElement.GetBindingCollectionElement();
NetTcpContextBindingElement element = section.Bindings[configurationName];
element.ApplyConfiguration(this);
}
class NetTcpContextBindingPropertyTransferHelper : NetTcpBindingElement
{
Type bindingElementType = typeof(NetTcpBinding);
protected override Type BindingElementType
{
get
{
return this.bindingElementType;
}
}
public void SetBindingElementType(Type bindingElementType)
{
this.bindingElementType = bindingElementType;
}
}
}
}
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