PeerValidationBehavior.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / ServiceModel / System / ServiceModel / Dispatcher / PeerValidationBehavior.cs / 1 / PeerValidationBehavior.cs
                        

                        
                            //------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------
namespace System.ServiceModel.Dispatcher
{ 
    using System.ServiceModel.Channels;
    using System.ServiceModel; 
    using System.ServiceModel.Description; 
    using System.Collections.ObjectModel;
    using System.Collections.Generic; 

    class PeerValidationBehavior : IEndpointBehavior, IServiceBehavior
    {
        public static PeerValidationBehavior Instance 
        {
            get 
            { 
                if (instance == null)
                    instance = new PeerValidationBehavior(); 
                return instance;
            }
        }
 
        static PeerValidationBehavior instance;
 
        PeerValidationBehavior() {} 

        static bool IsRequestReplyContract(ContractDescription contract) 
        {
            bool requestReply = false;

            foreach (OperationDescription operation in contract.Operations) 
            {
                if (operation.Messages.Count > 1)   // Request-reply 
                { 
                    requestReply = true;
                    break; 
                }
            }
            return requestReply;
        } 

        void IEndpointBehavior.Validate(ServiceEndpoint serviceEndpoint) 
        { 
            if (serviceEndpoint == null)
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("serviceEndpoint"); 

            ContractDescription contract = serviceEndpoint.Contract;
            Binding binding = serviceEndpoint.Binding;
            ValidateHelper(contract, binding); 
        }
 
        void IEndpointBehavior.AddBindingParameters(ServiceEndpoint serviceEndpoint, BindingParameterCollection bindingParameters) 
        {
        } 

        void IEndpointBehavior.ApplyDispatchBehavior(ServiceEndpoint serviceEndpoint, EndpointDispatcher endpointDispatcher)
        {
        } 

        void IEndpointBehavior.ApplyClientBehavior(ServiceEndpoint serviceEndpoint, ClientRuntime behavior) 
        { 
        }
 
        void IServiceBehavior.AddBindingParameters(ServiceDescription description, ServiceHostBase serviceHostBase, Collection endpoints, BindingParameterCollection parameters)
        {
        }
 
        void IServiceBehavior.ApplyDispatchBehavior(ServiceDescription description, ServiceHostBase serviceHostBase)
        { 
        } 

        void IServiceBehavior.Validate(ServiceDescription description, ServiceHostBase serviceHostBase) 
        {
            if (description == null)
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("description");
 
            for (int i = 0; i < description.Endpoints.Count; i++)
            { 
                ServiceEndpoint endpoint = description.Endpoints[i]; 
                ValidateHelper(endpoint.Contract, endpoint.Binding);
            } 
        }

        // SM doesn't support request-reply message pattern over multi-point channels correctly, so, disabling
        // request-reply for NetPeerTcpBinding.  (Advanced users may find a way to implement request-reply over 
        // a CustomBinding that includes PeerTransportBE.)
        void ValidateHelper(ContractDescription contract, Binding binding) 
        { 
            if (binding is NetPeerTcpBinding && IsRequestReplyContract(contract))
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(
                    SR.GetString(SR.BindingDoesnTSupportRequestReplyButContract1, binding.Name)));
            }
        } 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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