Method Send

Common/System/vtkSocket.cxx:548–583

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
int vtkSocket::Send(const void* data, int length)
{
#ifndef VTK_SOCKET_FAKE_API
  if (!this->GetConnected())
  {
    vtkErrorMacro("Not connected.");
    return 0;
  }
  if (length == 0)
  {
    // nothing to send.
    return 1;
  }
  const char* buffer = reinterpret_cast<const char*>(data);
  int total = 0;
  do
  {
    int flags = 0;
    int nSent;
    vtkRestartInterruptedSystemCallMacro(
      send(this->SocketDescriptor, buffer + total, length - total, flags), nSent);
    if (nSent == vtkSocketErrorReturnMacro)
    {
      vtkSocketErrorMacro(vtkErrnoMacro, "Socket error in call to send.");
      return 0;
    }
    total += nSent;
  } while (total < length);

  return 1;
#else
  static_cast<void>(data);
  static_cast<void>(length);
  return 0;
#endif
}

//------------------------------------------------------------------------------
int vtkSocket::Receive(void* data, int length, int readFully /*=1*/)