public static unsafe SocketError AcceptAsync(Socket socket, SafeCloseSocket handle, SafeCloseSocket acceptHandle, int receiveSize, int socketAddressSize, AcceptOverlappedAsyncResult asyncResult)
{
// The buffer needs to contain the requested data plus room for two sockaddrs and 16 bytes
// of associated data for each.
int addressBufferSize = socketAddressSize + 16;
byte[] buffer = new byte[receiveSize + ((addressBufferSize) * 2)];
// Set up asyncResult for overlapped AcceptEx.
// This call will use completion ports on WinNT.
asyncResult.SetUnmanagedStructures(buffer, addressBufferSize);
// This can throw ObjectDisposedException.
int bytesTransferred;
SocketError errorCode = SocketError.Success;
if (!socket.AcceptEx(
handle,
acceptHandle,
Marshal.UnsafeAddrOfPinnedArrayElement(asyncResult.Buffer, 0),
receiveSize,
addressBufferSize,
addressBufferSize,
out bytesTransferred,
asyncResult.OverlappedHandle))
{
errorCode = GetLastSocketError();
}
return(errorCode);
}
public static unsafe SocketError AcceptAsync(Socket socket, SafeCloseSocket handle, SafeCloseSocket acceptHandle, int receiveSize, int socketAddressSize, AcceptOverlappedAsyncResult asyncResult)
{
// The buffer needs to contain the requested data plus room for two sockaddrs and 16 bytes
// of associated data for each.
int addressBufferSize = socketAddressSize + 16;
byte[] buffer = new byte[receiveSize + ((addressBufferSize) * 2)];
// Set up asyncResult for overlapped AcceptEx.
// This call will use completion ports on WinNT.
asyncResult.SetUnmanagedStructures(buffer, addressBufferSize);
try
{
// This can throw ObjectDisposedException.
int bytesTransferred;
bool success = socket.AcceptEx(
handle,
acceptHandle,
Marshal.UnsafeAddrOfPinnedArrayElement(asyncResult.Buffer, 0),
receiveSize,
addressBufferSize,
addressBufferSize,
out bytesTransferred,
asyncResult.DangerousOverlappedPointer); // SafeHandle was just created in SetUnmanagedStructures
return(asyncResult.ProcessOverlappedResult(success, 0));
}
catch
{
asyncResult.ReleaseUnmanagedStructures();
throw;
}
}
internal unsafe SocketError DoOperationAccept(Socket socket, SafeCloseSocket handle, SafeCloseSocket acceptHandle, out int bytesTransferred)
{
PrepareIOCPOperation();
SocketError socketError = SocketError.Success;
if (!socket.AcceptEx(
handle,
acceptHandle,
(_ptrSingleBuffer != IntPtr.Zero) ? _ptrSingleBuffer : _ptrAcceptBuffer,
(_ptrSingleBuffer != IntPtr.Zero) ? Count - _acceptAddressBufferCount : 0,
_acceptAddressBufferCount / 2,
_acceptAddressBufferCount / 2,
out bytesTransferred,
_ptrNativeOverlapped))
{
socketError = SocketPal.GetLastSocketError();
}
return socketError;
}
public static unsafe SocketError AcceptAsync(Socket socket, SafeCloseSocket handle, SafeCloseSocket acceptHandle, int receiveSize, int socketAddressSize, AcceptOverlappedAsyncResult asyncResult)
{
// The buffer needs to contain the requested data plus room for two sockaddrs and 16 bytes
// of associated data for each.
int addressBufferSize = socketAddressSize + 16;
byte[] buffer = new byte[receiveSize + ((addressBufferSize) * 2)];
// Set up asyncResult for overlapped AcceptEx.
// This call will use completion ports on WinNT.
asyncResult.SetUnmanagedStructures(buffer, addressBufferSize);
// This can throw ObjectDisposedException.
int bytesTransferred;
SocketError errorCode = SocketError.Success;
if (!socket.AcceptEx(
handle,
acceptHandle,
Marshal.UnsafeAddrOfPinnedArrayElement(asyncResult.Buffer, 0),
receiveSize,
addressBufferSize,
addressBufferSize,
out bytesTransferred,
asyncResult.OverlappedHandle))
{
errorCode = GetLastSocketError();
}
return errorCode;
}
