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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel.Channels
{
using System.Collections.Generic;
using System.ServiceModel.Description;
using System.Runtime.Serialization;
using System.ServiceModel.Security;
using System.ServiceModel;
using System.Xml;
using WsdlNS = System.Web.Services.Description;
using System.Collections.ObjectModel;
using System.ComponentModel;
public abstract class TransportBindingElement
: BindingElement
{
bool manualAddressing;
long maxBufferPoolSize;
long maxReceivedMessageSize;
protected TransportBindingElement()
{
this.manualAddressing = TransportDefaults.ManualAddressing;
this.maxBufferPoolSize = TransportDefaults.MaxBufferPoolSize;
this.maxReceivedMessageSize = TransportDefaults.MaxReceivedMessageSize;
}
protected TransportBindingElement(TransportBindingElement elementToBeCloned)
: base(elementToBeCloned)
{
this.manualAddressing = elementToBeCloned.manualAddressing;
this.maxBufferPoolSize = elementToBeCloned.maxBufferPoolSize;
this.maxReceivedMessageSize = elementToBeCloned.maxReceivedMessageSize;
}
[DefaultValue(TransportDefaults.ManualAddressing)]
public virtual bool ManualAddressing
{
get
{
return this.manualAddressing;
}
set
{
this.manualAddressing = value;
}
}
[DefaultValue(TransportDefaults.MaxBufferPoolSize)]
public virtual long MaxBufferPoolSize
{
get
{
return this.maxBufferPoolSize;
}
set
{
if (value < 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value", value,
SR.GetString(SR.ValueMustBeNonNegative)));
}
this.maxBufferPoolSize = value;
}
}
[DefaultValue(TransportDefaults.MaxReceivedMessageSize)]
public virtual long MaxReceivedMessageSize
{
get
{
return this.maxReceivedMessageSize;
}
set
{
if (value <= 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value", value,
SR.GetString(SR.ValueMustBePositive)));
}
this.maxReceivedMessageSize = value;
}
}
public abstract string Scheme { get; }
internal static IChannelFactory<TChannel> CreateChannelFactory<TChannel>(TransportBindingElement transport)
{
Binding binding = new CustomBinding(transport);
return binding.BuildChannelFactory<TChannel>();
}
internal static IChannelListener CreateChannelListener<TChannel>(TransportBindingElement transport)
where TChannel : class, IChannel
{
Binding binding = new CustomBinding(transport);
return binding.BuildChannelListener<TChannel>();
}
public override T GetProperty<T>(BindingContext context)
{
if (context == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("context");
}
if (typeof(T) == typeof(ChannelProtectionRequirements))
{
ChannelProtectionRequirements myRequirements = this.GetProtectionRequirements(context);
myRequirements.Add(context.GetInnerProperty<ChannelProtectionRequirements>() ?? new ChannelProtectionRequirements());
return (T)(object)myRequirements;
}
// to cover all our bases, let's iterate through the BindingParameters to make sure
// we haven't missed a query (since we're the Transport and we're at the bottom)
#pragma warning suppress 56506 // [....], BindingContext.BindingParameters cannot be null
Collection<BindingElement> bindingElements = context.BindingParameters.FindAll<BindingElement>();
T result = default(T);
for (int i = 0; i < bindingElements.Count; i++)
{
result = bindingElements[i].GetIndividualProperty<T>();
if (result != default(T))
{
return result;
}
}
if (typeof(T) == typeof(MessageVersion))
{
return (T)(object)TransportDefaults.GetDefaultMessageEncoderFactory().MessageVersion;
}
if (typeof(T) == typeof(XmlDictionaryReaderQuotas))
{
return (T)(object)new XmlDictionaryReaderQuotas();
}
return null;
}
ChannelProtectionRequirements GetProtectionRequirements(AddressingVersion addressingVersion)
{
ChannelProtectionRequirements result = new ChannelProtectionRequirements();
result.IncomingSignatureParts.AddParts(addressingVersion.SignedMessageParts);
result.OutgoingSignatureParts.AddParts(addressingVersion.SignedMessageParts);
return result;
}
internal ChannelProtectionRequirements GetProtectionRequirements(BindingContext context)
{
AddressingVersion addressingVersion = AddressingVersion.WSAddressing10;
#pragma warning suppress 56506 // [....], CustomBinding.Elements can never be null
MessageEncodingBindingElement messageEncoderBindingElement = context.Binding.Elements.Find<MessageEncodingBindingElement>();
if (messageEncoderBindingElement != null)
{
addressingVersion = messageEncoderBindingElement.MessageVersion.Addressing;
}
return GetProtectionRequirements(addressingVersion);
}
internal static void ExportWsdlEndpoint(WsdlExporter exporter, WsdlEndpointConversionContext endpointContext,
string wsdlTransportUri, AddressingVersion addressingVersion)
{
ExportWsdlEndpoint(exporter, endpointContext, wsdlTransportUri, endpointContext.Endpoint.Address, addressingVersion);
}
internal static void ExportWsdlEndpoint(WsdlExporter exporter, WsdlEndpointConversionContext endpointContext,
string wsdlTransportUri, EndpointAddress address, AddressingVersion addressingVersion)
{
if (exporter == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("context");
}
if (endpointContext == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("endpointContext");
}
// Set SoapBinding Transport URI
#pragma warning suppress 56506 // [....], these properties cannot be null in this context
BindingElementCollection bindingElements = endpointContext.Endpoint.Binding.CreateBindingElements();
if (wsdlTransportUri != null)
{
WsdlNS.SoapBinding soapBinding = SoapHelper.GetOrCreateSoapBinding(endpointContext, exporter);
if (soapBinding != null)
{
soapBinding.Transport = wsdlTransportUri;
}
}
if (endpointContext.WsdlPort != null)
{
WsdlExporter.WSAddressingHelper.AddAddressToWsdlPort(endpointContext.WsdlPort, address, addressingVersion);
}
}
internal override bool IsMatch(BindingElement b)
{
if (b == null)
{
return false;
}
TransportBindingElement transport = b as TransportBindingElement;
if (transport == null)
{
return false;
}
if (this.maxBufferPoolSize != transport.MaxBufferPoolSize)
{
return false;
}
if (this.maxReceivedMessageSize != transport.MaxReceivedMessageSize)
{
return false;
}
return true;
}
}
}
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