DoOperationReceiveFromSingleBuffer()

unsafe SocketError System.Net.Sockets.SocketAsyncEventArgs.DoOperationReceiveFromSingleBuffer ( SafeSocketHandle handle, CancellationToken cancellationToken )

inlinepackageinherited

Definition at line 1237 of file SocketAsyncEventArgs.cs.

    {
        fixed (byte* ptr = &MemoryMarshal.GetReference(_buffer.Span))
        {
            NativeOverlapped* overlapped = AllocateNativeOverlapped();
            try
            {
                _asyncProcessingState = AsyncProcessingState.InProcess;
                WSABuffer wSABuffer = default(WSABuffer);
                wSABuffer.Length = _count;
                wSABuffer.Pointer = (IntPtr)(ptr + _offset);
                WSABuffer buffer = wSABuffer;
                SocketFlags socketFlags = _socketFlags;
                int bytesTransferred;
                SocketError socketError = global::Interop.Winsock.WSARecvFrom(handle, ref buffer, 1, out bytesTransferred, ref socketFlags, PtrSocketAddressBuffer, PtrSocketAddressBufferSize, overlapped, IntPtr.Zero);
                return ProcessIOCPResultWithDeferredAsyncHandling(socketError == SocketError.Success, bytesTransferred, overlapped, _buffer, cancellationToken);
            }
            catch
            {
                _asyncProcessingState = AsyncProcessingState.None;
                FreeNativeOverlapped(overlapped);
                throw;
            }
        }
    }

References System.Net.Sockets.SocketAsyncEventArgs._asyncProcessingState, System.Net.Sockets.SocketAsyncEventArgs._buffer, System.Net.Sockets.SocketAsyncEventArgs._count, System.Net.Sockets.SocketAsyncEventArgs._offset, System.Net.Sockets.SocketAsyncEventArgs._socketFlags, System.Net.Sockets.SocketAsyncEventArgs.AllocateNativeOverlapped(), System.buffer, System.cancellationToken, System.Net.Sockets.SocketAsyncEventArgs.FreeNativeOverlapped(), System.handle, System.Net.Sockets.SocketAsyncEventArgs.ProcessIOCPResultWithDeferredAsyncHandling(), System.Net.Sockets.SocketAsyncEventArgs.PtrSocketAddressBuffer, System.Net.Sockets.SocketAsyncEventArgs.PtrSocketAddressBufferSize, System.Memory< T >.Span, and System.IntPtr.Zero.

Referenced by System.Net.Sockets.SocketAsyncEventArgs.DoOperationReceiveFrom().