private LinuxError ConvertError(WsaError errorCode)
{
if (!_errorMap.TryGetValue(errorCode, out LinuxError errno))
{
errno = (LinuxError)errorCode;
}
return(errno);
}
public ResultCode Write(out int writtenCount, ReadOnlyMemory <byte> buffer)
{
if (!Socket.Poll(0, SelectMode.SelectWrite))
{
writtenCount = 0;
return(ResultCode.WouldBlock);
}
StartSslOperation();
try
{
_stream.Write(buffer.Span);
}
catch (IOException exception)
{
writtenCount = -1;
if (exception.InnerException is SocketException socketException)
{
WsaError socketErrorCode = (WsaError)socketException.SocketErrorCode;
if (TryTranslateWinSockError(_isBlockingSocket, socketErrorCode, out ResultCode result))
{
return(result);
}
else
{
throw socketException;
}
}
else
{
throw exception;
}
}
finally
{
EndSslOperation();
}
// .NET API doesn't provide the size written, assume all written.
writtenCount = buffer.Length;
return(ResultCode.Success);
}
public ResultCode Read(out int readCount, Memory <byte> buffer)
{
if (!Socket.Poll(0, SelectMode.SelectRead))
{
readCount = -1;
return(ResultCode.WouldBlock);
}
StartSslReadOperation();
try
{
readCount = _stream.Read(buffer.Span);
}
catch (IOException exception)
{
readCount = -1;
if (exception.InnerException is SocketException socketException)
{
WsaError socketErrorCode = (WsaError)socketException.SocketErrorCode;
if (TryTranslateWinSockError(_isBlockingSocket, socketErrorCode, out ResultCode result))
{
return(result);
}
else
{
throw socketException;
}
}
else
{
throw exception;
}
}
finally
{
EndSslReadOperation();
}
return(ResultCode.Success);
}
private static bool TryTranslateWinSockError(bool isBlocking, WsaError error, out ResultCode resultCode)
{
switch (error)
{
case WsaError.WSAETIMEDOUT:
resultCode = isBlocking ? ResultCode.Timeout : ResultCode.WouldBlock;
return(true);
case WsaError.WSAECONNABORTED:
resultCode = ResultCode.ConnectionAbort;
return(true);
case WsaError.WSAECONNRESET:
resultCode = ResultCode.ConnectionReset;
return(true);
default:
resultCode = ResultCode.Success;
return(false);
}
}
private ResultCode WriteWinSock2Error(ServiceCtx context, WsaError errorCode)
{
return(WriteBsdResult(context, -1, ConvertError(errorCode)));
}