99 lines
3.7 KiB
C#
99 lines
3.7 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.Dispatcher
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{
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using System.ServiceModel.Channels;
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using System.ServiceModel;
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using System.ServiceModel.Description;
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using System.Collections.ObjectModel;
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using System.Collections.Generic;
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[ObsoleteAttribute ("PeerChannel feature is obsolete and will be removed in the future.", false)]
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class PeerValidationBehavior : IEndpointBehavior, IServiceBehavior
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{
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public static PeerValidationBehavior Instance
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{
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get
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{
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if (instance == null)
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instance = new PeerValidationBehavior();
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return instance;
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}
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}
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static PeerValidationBehavior instance;
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PeerValidationBehavior() { }
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static bool IsRequestReplyContract(ContractDescription contract)
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{
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bool requestReply = false;
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foreach (OperationDescription operation in contract.Operations)
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{
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if (operation.Messages.Count > 1) // Request-reply
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{
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requestReply = true;
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break;
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}
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}
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return requestReply;
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}
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void IEndpointBehavior.Validate(ServiceEndpoint serviceEndpoint)
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{
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if (serviceEndpoint == null)
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("serviceEndpoint");
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ContractDescription contract = serviceEndpoint.Contract;
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Binding binding = serviceEndpoint.Binding;
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ValidateHelper(contract, binding);
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}
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void IEndpointBehavior.AddBindingParameters(ServiceEndpoint serviceEndpoint, BindingParameterCollection bindingParameters)
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{
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}
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void IEndpointBehavior.ApplyDispatchBehavior(ServiceEndpoint serviceEndpoint, EndpointDispatcher endpointDispatcher)
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{
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}
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void IEndpointBehavior.ApplyClientBehavior(ServiceEndpoint serviceEndpoint, ClientRuntime behavior)
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{
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}
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void IServiceBehavior.AddBindingParameters(ServiceDescription description, ServiceHostBase serviceHostBase, Collection<ServiceEndpoint> endpoints, BindingParameterCollection parameters)
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{
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}
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void IServiceBehavior.ApplyDispatchBehavior(ServiceDescription description, ServiceHostBase serviceHostBase)
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{
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}
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void IServiceBehavior.Validate(ServiceDescription description, ServiceHostBase serviceHostBase)
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{
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if (description == null)
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("description");
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for (int i = 0; i < description.Endpoints.Count; i++)
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{
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ServiceEndpoint endpoint = description.Endpoints[i];
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ValidateHelper(endpoint.Contract, endpoint.Binding);
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}
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}
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// SM doesn't support request-reply message pattern over multi-point channels correctly, so, disabling
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// request-reply for NetPeerTcpBinding. (Advanced users may find a way to implement request-reply over
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// a CustomBinding that includes PeerTransportBE.)
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void ValidateHelper(ContractDescription contract, Binding binding)
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{
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if (binding is NetPeerTcpBinding && IsRequestReplyContract(contract))
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(
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SR.GetString(SR.BindingDoesnTSupportRequestReplyButContract1, binding.Name)));
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}
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}
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}
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}
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