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386 lines
15 KiB
C#
386 lines
15 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.ObjectModel;
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using System.Net;
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using System.Net.Security;
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using System.ServiceModel.Description;
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using System.ServiceModel;
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using System.ServiceModel.PeerResolvers;
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using System.Xml;
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static class PeerTransportPolicyConstants
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{
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public const string PeerTransportSecurityMode = "PeerTransportSecurityMode";
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public const string PeerTransportCredentialType = "PeerTransportCredentialType";
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public const string PeerTransportCredentialTypePassword = "PeerTransportCredentialTypePassword";
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public const string PeerTransportCredentialTypeCertificate = "PeerTransportCredentialTypeCertificate";
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public const string PeerTransportSecurityModeNone = "PeerTransportSecurityModeNone";
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public const string PeerTransportSecurityModeTransport = "PeerTransportSecurityModeTransport";
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public const string PeerTransportSecurityModeMessage = "PeerTransportSecurityModeMessage";
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public const string PeerTransportSecurityModeTransportWithMessageCredential = "PeerTransportSecurityModeTransportWithMessageCredential";
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public const string PeerTransportPrefix = "pc";
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}
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[ObsoleteAttribute ("PeerChannel feature is obsolete and will be removed in the future.", false)]
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public sealed class PeerTransportBindingElement
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: TransportBindingElement, IWsdlExportExtension, ITransportPolicyImport, IPolicyExportExtension
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{
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IPAddress listenIPAddress;
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int port;
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PeerResolver resolver;
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bool resolverSet;
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PeerSecuritySettings peerSecurity;
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public PeerTransportBindingElement()
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: base()
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{
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this.listenIPAddress = PeerTransportDefaults.ListenIPAddress;
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this.port = PeerTransportDefaults.Port;
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if (PeerTransportDefaults.ResolverAvailable)
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{
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this.resolver = PeerTransportDefaults.CreateResolver();
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}
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peerSecurity = new PeerSecuritySettings();
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}
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PeerTransportBindingElement(PeerTransportBindingElement elementToBeCloned)
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: base(elementToBeCloned)
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{
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this.listenIPAddress = elementToBeCloned.listenIPAddress;
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this.port = elementToBeCloned.port;
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this.resolverSet = elementToBeCloned.resolverSet;
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this.resolver = elementToBeCloned.resolver;
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peerSecurity = new PeerSecuritySettings(elementToBeCloned.Security);
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}
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public IPAddress ListenIPAddress
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{
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get
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{
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return this.listenIPAddress;
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}
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set
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{
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PeerValidateHelper.ValidateListenIPAddress(value);
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this.listenIPAddress = value;
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}
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}
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public override long MaxReceivedMessageSize
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{
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get
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{
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return base.MaxReceivedMessageSize;
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}
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set
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{
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PeerValidateHelper.ValidateMaxMessageSize(value);
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base.MaxReceivedMessageSize = value;
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}
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}
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public int Port
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{
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get
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{
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return this.port;
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}
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set
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{
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PeerValidateHelper.ValidatePort(value);
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this.port = value;
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}
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}
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internal PeerResolver Resolver
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{
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get
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{
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return this.resolver;
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}
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set
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{
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if (value == null)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("value");
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}
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if (value.GetType() == PeerTransportDefaults.ResolverType)
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{
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if (!PeerTransportDefaults.ResolverInstalled)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("value", SR.GetString(SR.PeerPnrpNotInstalled));
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}
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else if (!PeerTransportDefaults.ResolverAvailable)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("value", SR.GetString(SR.PeerPnrpNotAvailable));
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}
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}
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this.resolver = value;
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this.resolverSet = true;
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}
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}
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public override string Scheme { get { return PeerStrings.Scheme; } }
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public PeerSecuritySettings Security
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{
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get { return peerSecurity; }
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}
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void ITransportPolicyImport.ImportPolicy(MetadataImporter importer, PolicyConversionContext context)
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{
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if (importer == null)
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("importer");
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if (context == null)
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("context");
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peerSecurity.OnImportPolicy(importer, context);
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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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peerSecurity.OnExportPolicy(exporter, context);
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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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((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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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(
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exporter, endpointContext, TransportPolicyConstants.PeerTransportUri,
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encodingBindingElement.MessageVersion.Addressing);
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}
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internal void CreateDefaultResolver(PeerResolverSettings settings)
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{
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if (PeerTransportDefaults.ResolverAvailable)
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{
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this.resolver = new PnrpPeerResolver(settings.ReferralPolicy);
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}
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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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public override IChannelFactory<TChannel> BuildChannelFactory<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.ThrowHelperError(new ArgumentNullException("context"));
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}
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if (!this.CanBuildChannelFactory<TChannel>(context))
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("TChannel", SR.GetString(SR.ChannelTypeNotSupported, typeof(TChannel)));
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}
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if (this.ManualAddressing)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.ManualAddressingNotSupported)));
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}
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PeerResolver peerResolver = GetResolver(context);
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return new PeerChannelFactory<TChannel>(this, context, peerResolver);
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}
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public override IChannelListener<TChannel> BuildChannelListener<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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PeerChannelListenerBase peerListener = null;
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PeerResolver peerResolver = GetResolver(context);
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if (typeof(TChannel) == typeof(IInputChannel))
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{
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peerListener = new PeerInputChannelListener(this, context, peerResolver);
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}
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else if (typeof(TChannel) == typeof(IDuplexChannel))
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{
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peerListener = new PeerDuplexChannelListener(this, context, peerResolver);
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}
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else
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("TChannel", SR.GetString(SR.ChannelTypeNotSupported, typeof(TChannel)));
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}
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return (IChannelListener<TChannel>)peerListener;
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}
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public override bool CanBuildChannelFactory<TChannel>(BindingContext context)
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{
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return (typeof(TChannel) == typeof(IOutputChannel)
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|| typeof(TChannel) == typeof(IDuplexChannel));
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}
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public override bool CanBuildChannelListener<TChannel>(BindingContext context)
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{
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return (typeof(TChannel) == typeof(IInputChannel)
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|| typeof(TChannel) == typeof(IDuplexChannel));
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}
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public override BindingElement Clone()
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{
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return new PeerTransportBindingElement(this);
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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(IBindingMulticastCapabilities))
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{
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return (T)(object)new BindingMulticastCapabilities();
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}
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else if (typeof(T) == typeof(ISecurityCapabilities))
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{
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return (T)(object)new SecurityCapabilities(Security.SupportsAuthentication, Security.SupportsAuthentication,
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false, Security.SupportedProtectionLevel, Security.SupportedProtectionLevel);
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}
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else if (typeof(T) == typeof(IBindingDeliveryCapabilities))
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{
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return (T)(object)new BindingDeliveryCapabilitiesHelper();
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}
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return base.GetProperty<T>(context);
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}
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// Return the resolver member (if set) or create one from the resolver binding element in the context
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PeerResolver GetResolver(BindingContext context)
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{
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if (this.resolverSet)
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{
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return this.resolver;
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}
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Collection<PeerCustomResolverBindingElement> customResolverElements
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= context.BindingParameters.FindAll<PeerCustomResolverBindingElement>();
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if (customResolverElements.Count > 1)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.MultiplePeerCustomResolverBindingElementsInParameters)));
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}
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else if (customResolverElements.Count == 1)
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{
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context.BindingParameters.Remove<PeerCustomResolverBindingElement>();
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return customResolverElements[0].CreatePeerResolver();
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}
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// If resolver binding element is included in the context, use it to create the resolver. elementToBeClonedwise,
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// if default resolver is available, use it.
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Collection<PeerResolverBindingElement> resolverBindingElements
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= context.BindingParameters.FindAll<PeerResolverBindingElement>();
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if (resolverBindingElements.Count > 1)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.MultiplePeerResolverBindingElementsinParameters)));
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}
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else if (resolverBindingElements.Count == 0)
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{
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if (this.resolver != null) // default resolver available?
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{
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return this.resolver;
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}
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else
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
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new InvalidOperationException(SR.GetString(SR.PeerResolverBindingElementRequired, context.Binding.Name)));
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}
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}
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else if (resolverBindingElements[0].GetType() == PeerTransportDefaults.ResolverBindingElementType)
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{
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if (!PeerTransportDefaults.ResolverInstalled)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
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new InvalidOperationException(SR.GetString(SR.PeerPnrpNotInstalled)));
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}
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else if (!PeerTransportDefaults.ResolverAvailable)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
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new InvalidOperationException(SR.GetString(SR.PeerPnrpNotAvailable)));
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}
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}
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context.BindingParameters.Remove<PeerResolverBindingElement>();
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return resolverBindingElements[0].CreatePeerResolver();
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}
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class BindingMulticastCapabilities : IBindingMulticastCapabilities
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{
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public bool IsMulticast { get { return true; } }
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}
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class BindingDeliveryCapabilitiesHelper : IBindingDeliveryCapabilities
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{
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internal BindingDeliveryCapabilitiesHelper()
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{
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}
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bool IBindingDeliveryCapabilities.AssuresOrderedDelivery
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{
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get { return false; }
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}
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bool IBindingDeliveryCapabilities.QueuedDelivery
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{
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get { return false; }
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}
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}
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}
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}
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