_ConnectOverlappedAsyncResult.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / Net / System / Net / Sockets / _ConnectOverlappedAsyncResult.cs / 2 / _ConnectOverlappedAsyncResult.cs
                        

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

namespace System.Net.Sockets { 
    using System; 
    using System.Net;
    using System.Runtime.InteropServices; 
    using System.Threading;
    using Microsoft.Win32;

    // 
    //  ConnectOverlappedAsyncResult - used to take care of storage for async Socket BeginAccept call.
    // 
    internal class ConnectOverlappedAsyncResult : BaseOverlappedAsyncResult { 

        private EndPoint m_EndPoint; 

        internal ConnectOverlappedAsyncResult(Socket socket, EndPoint endPoint, Object asyncState, AsyncCallback asyncCallback):
            base(socket,asyncState,asyncCallback)
        { 
            m_EndPoint = endPoint;
        } 
 

 
        //
        // This method is called by base.CompletionPortCallback base.OverlappedCallback as part of IO completion
        //
        internal override object PostCompletion(int numBytes) { 
            SocketError errorCode = (SocketError)ErrorCode;
            Socket socket = (Socket)AsyncObject; 
 
            if (errorCode==SocketError.Success) {
 
                //set the socket context
                try
                {
                    errorCode = UnsafeNclNativeMethods.OSSOCK.setsockopt( 
                        socket.SafeHandle,
                        SocketOptionLevel.Socket, 
                        SocketOptionName.UpdateConnectContext, 
                        null,
                        0); 
                    if (errorCode == SocketError.SocketError) errorCode = (SocketError) Marshal.GetLastWin32Error();
                }
                catch (ObjectDisposedException)
                { 
                    errorCode = SocketError.OperationAborted;
                } 
 
                ErrorCode = (int) errorCode;
            } 

            if (errorCode==SocketError.Success) {
                socket.SetToConnected();
                return socket; 
            }
            return null; 
        } 

        internal EndPoint RemoteEndPoint { 
            get { return m_EndPoint; }
        }

    } 

 
}

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