TransportContext.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Net / System / Net / TransportContext.cs / 1305376 / TransportContext.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

using System.Net.Security; 
using System.Security.Authentication.ExtendedProtection; 

namespace System.Net 
{
    public abstract class TransportContext
    {
        public abstract ChannelBinding GetChannelBinding(ChannelBindingKind kind); 
    }
 
    internal class ConnectStreamContext : TransportContext 
    {
        internal ConnectStreamContext(ConnectStream connectStream) 
        {
            GlobalLog.Assert(connectStream != null, "ConnectStreamContext..ctor(): Not expecting a null connectStream!");
            this.connectStream = connectStream;
        } 

        public override ChannelBinding GetChannelBinding(ChannelBindingKind kind) 
        { 
            return connectStream.GetChannelBinding(kind);
        } 

        private ConnectStream connectStream;
    }
 
    internal class SslStreamContext : TransportContext
    { 
        internal SslStreamContext(SslStream sslStream) 
        {
            GlobalLog.Assert(sslStream != null, "SslStreamContext..ctor(): Not expecting a null sslStream!"); 
            this.sslStream = sslStream;
        }

        public override ChannelBinding GetChannelBinding(ChannelBindingKind kind) 
        {
            return sslStream.GetChannelBinding(kind); 
        } 

        private SslStream sslStream; 
    }

    internal class HttpListenerRequestContext : TransportContext
    { 
        internal HttpListenerRequestContext(HttpListenerRequest request)
        { 
            GlobalLog.Assert(request != null, "HttpListenerRequestContext..ctor(): Not expecting a null request!"); 
            this.request = request;
        } 

        public override ChannelBinding GetChannelBinding(ChannelBindingKind kind)
        {
            if (kind != ChannelBindingKind.Endpoint) 
            {
                throw new NotSupportedException(SR.GetString( 
                    SR.net_listener_invalid_cbt_type, kind.ToString())); 
            }
            return request.GetChannelBinding(); 
        }

        private HttpListenerRequest request;
    } 

    // Holds a cached Endpoint binding to be reused by HttpWebRequest preauthentication 
    internal class CachedTransportContext : TransportContext 
    {
        internal CachedTransportContext(ChannelBinding binding) 
        {
            this.binding = binding;
        }
 
        public override ChannelBinding GetChannelBinding(ChannelBindingKind kind)
        { 
            if (kind != ChannelBindingKind.Endpoint) 
                return null;
 
            return binding;
        }

        private ChannelBinding binding; 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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