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C# OverlappedAsyncResult.InvokeCallback方法代码示例

本文整理汇总了C#中System.Net.Sockets.OverlappedAsyncResult.InvokeCallback方法的典型用法代码示例。如果您正苦于以下问题:C# OverlappedAsyncResult.InvokeCallback方法的具体用法?C# OverlappedAsyncResult.InvokeCallback怎么用?C# OverlappedAsyncResult.InvokeCallback使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在System.Net.Sockets.OverlappedAsyncResult的用法示例。


在下文中一共展示了OverlappedAsyncResult.InvokeCallback方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: DoBeginReceive

        private SocketError DoBeginReceive(byte[] buffer, int offset, int size, SocketFlags socketFlags, OverlappedAsyncResult asyncResult)
        {
            GlobalLog.Print("Socket#" + Logging.HashString(this) + "::BeginReceive() size:" + size.ToString());

#if DEBUG
            IntPtr lastHandle = _handle.DangerousGetHandle();
#endif
            // Guarantee to call CheckAsyncCallOverlappedResult if we call SetUnamangedStructures with a cache in order to
            // avoid a Socket leak in case of error.
            SocketError errorCode = SocketError.SocketError;
            try
            {
                errorCode = SocketPal.ReceiveAsync(_handle, buffer, offset, size, socketFlags, asyncResult);

                GlobalLog.Print("Socket#" + Logging.HashString(this) + "::BeginReceive() Interop.Winsock.WSARecv returns:" + errorCode.ToString() + " returning AsyncResult:" + Logging.HashString(asyncResult));
            }
            finally
            {
                errorCode = asyncResult.CheckAsyncCallOverlappedResult(errorCode);
            }

            // Throw an appropriate SocketException if the native call fails synchronously.
            if (errorCode != SocketError.Success)
            {
                GlobalLog.Assert(errorCode != SocketError.Success, "Socket#{0}::DoBeginReceive()|GetLastWin32Error() returned zero.", Logging.HashString(this));

                // Update the internal state of this socket according to the error before throwing.
                UpdateStatusAfterSocketError(errorCode);
                if (s_loggingEnabled)
                {
                    Logging.Exception(Logging.Sockets, this, "BeginReceive", new SocketException((int)errorCode));
                }
                asyncResult.InvokeCallback(new SocketException((int)errorCode));
            }
#if DEBUG
            else
            {
                _lastReceiveHandle = lastHandle;
                _lastReceiveThread = Environment.CurrentManagedThreadId;
                _lastReceiveTick = Environment.TickCount;
            }
#endif

            return errorCode;
        }
开发者ID:ReedKimble,项目名称:corefx,代码行数:45,代码来源:Socket.cs

示例2: DoBeginReceive

 private SocketError DoBeginReceive(byte[] buffer, int offset, int size, SocketFlags socketFlags, OverlappedAsyncResult asyncResult)
 {
     SocketError socketError = SocketError.SocketError;
       try
       {
     asyncResult.SetUnmanagedStructures(buffer, offset, size, (SocketAddress) null, false, ref this.Caches.ReceiveOverlappedCache);
     int bytesTransferred;
     socketError = UnsafeNclNativeMethods.OSSOCK.WSARecv(this.m_Handle, ref asyncResult.m_SingleBuffer, 1, out bytesTransferred, out socketFlags, asyncResult.OverlappedHandle, IntPtr.Zero);
     if (socketError != SocketError.Success)
       socketError = (SocketError) Marshal.GetLastWin32Error();
       }
       finally
       {
     socketError = asyncResult.CheckAsyncCallOverlappedResult(socketError);
       }
       if (socketError != SocketError.Success)
       {
     asyncResult.ExtractCache(ref this.Caches.ReceiveOverlappedCache);
     this.UpdateStatusAfterSocketError(socketError);
     if (Socket.s_LoggingEnabled)
       Logging.Exception(Logging.Sockets, (object) this, "BeginReceive", (Exception) new SocketException(socketError));
     asyncResult.InvokeCallback((object) new SocketException(socketError));
       }
       return socketError;
 }
开发者ID:korifey,项目名称:hackathon-Ideaphone,代码行数:25,代码来源:Socket.cs

示例3: DoBeginReceive

        private SocketError DoBeginReceive(byte[] buffer, int offset, int size, SocketFlags socketFlags, OverlappedAsyncResult asyncResult)
        {
            GlobalLog.Print("Socket#" + ValidationHelper.HashString(this) + "::BeginReceive() size:" + size.ToString());

#if DEBUG
            IntPtr lastHandle = m_Handle.DangerousGetHandle();
#endif
            // Guarantee to call CheckAsyncCallOverlappedResult if we call SetUnamangedStructures with a cache in order to
            // avoid a Socket leak in case of error.
            SocketError errorCode = SocketError.SocketError;
            try
            {
                // Set up asyncResult for overlapped WSARecv.
                // This call will use completion ports on WinNT and Overlapped IO on Win9x.
                asyncResult.SetUnmanagedStructures(buffer, offset, size, null, false /* don't pin null RemoteEP*/, ref Caches.ReceiveOverlappedCache);

                // This can throw ObjectDisposedException.
                int bytesTransferred;
                errorCode = UnsafeNclNativeMethods.OSSOCK.WSARecv(
                    m_Handle,
                    ref asyncResult.m_SingleBuffer,
                    1,
                    out bytesTransferred,
                    ref socketFlags,
                    asyncResult.OverlappedHandle,
                    IntPtr.Zero);

                if (errorCode!=SocketError.Success) {
                    errorCode = (SocketError)Marshal.GetLastWin32Error();
                    GlobalLog.Assert(errorCode != SocketError.Success, "Socket#{0}::DoBeginReceive()|GetLastWin32Error() returned zero.", ValidationHelper.HashString(this));
                }
                GlobalLog.Print("Socket#" + ValidationHelper.HashString(this) + "::BeginReceive() UnsafeNclNativeMethods.OSSOCK.WSARecv returns:" + errorCode.ToString() + " bytesTransferred:" + bytesTransferred.ToString() + " returning AsyncResult:" + ValidationHelper.HashString(asyncResult));
            }
            finally
            {
                errorCode = asyncResult.CheckAsyncCallOverlappedResult(errorCode);
            }

            //
            // if the asynchronous native call fails synchronously
            // we'll throw a SocketException
            //
            if (errorCode != SocketError.Success)
            {
                //
                // update our internal state after this socket error and throw
                asyncResult.ExtractCache(ref Caches.ReceiveOverlappedCache);
                UpdateStatusAfterSocketError(errorCode);
                if(s_LoggingEnabled)Logging.Exception(Logging.Sockets, this, "BeginReceive", new SocketException(errorCode));
                asyncResult.InvokeCallback(new SocketException(errorCode));
            }
#if DEBUG
            else
            {
                m_LastReceiveHandle = lastHandle;
                m_LastReceiveThread = Thread.CurrentThread.ManagedThreadId;
                m_LastReceiveTick = Environment.TickCount;
            }
#endif

            return errorCode;
        }
开发者ID:REALTOBIZ,项目名称:mono,代码行数:62,代码来源:Socket.cs

示例4: DoBeginReceive

        private SocketError DoBeginReceive(byte[] buffer, int offset, int size, SocketFlags socketFlags, OverlappedAsyncResult asyncResult)
        {
            if (NetEventSource.IsEnabled) NetEventSource.Info(this, $"size:{size}");

#if DEBUG
            IntPtr lastHandle = _handle.DangerousGetHandle();
#endif
            // Guarantee to call CheckAsyncCallOverlappedResult if we call SetUnamangedStructures with a cache in order to
            // avoid a Socket leak in case of error.
            SocketError errorCode = SocketError.SocketError;
            try
            {
                errorCode = SocketPal.ReceiveAsync(_handle, buffer, offset, size, socketFlags, asyncResult);

                if (NetEventSource.IsEnabled) NetEventSource.Info(this, $"Interop.Winsock.WSARecv returns:{errorCode} returning AsyncResult:{asyncResult}");
            }
            finally
            {
                errorCode = asyncResult.CheckAsyncCallOverlappedResult(errorCode);
            }

            // Throw an appropriate SocketException if the native call fails synchronously.
            if (errorCode != SocketError.Success)
            {
                // TODO: https://github.com/dotnet/corefx/issues/5426
                // NetEventSource.Fail(this, "GetLastWin32Error() returned zero.");

                // Update the internal state of this socket according to the error before throwing.
                UpdateStatusAfterSocketError(errorCode);
                var socketException = new SocketException((int)errorCode);
                if (NetEventSource.IsEnabled) NetEventSource.Error(this, socketException);
                asyncResult.InvokeCallback(new SocketException((int)errorCode));
            }
#if DEBUG
            else
            {
                _lastReceiveHandle = lastHandle;
                _lastReceiveThread = Environment.CurrentManagedThreadId;
                _lastReceiveTick = Environment.TickCount;
            }
#endif

            return errorCode;
        }
开发者ID:AtsushiKan,项目名称:corefx,代码行数:44,代码来源:Socket.cs


注:本文中的System.Net.Sockets.OverlappedAsyncResult.InvokeCallback方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。