Ejemplo n.º 1
0
//***************************************************************************
//
//    Method:          handle_write_file
//
//    Description:   Callback used when a write completes
//
// Inputs:        write file result structure containing message block
//
// Returns:       none
//
//***************************************************************************
void
FileIOHandler::handle_write_file(const ACE_Asynch_Write_File::Result &result)
{
  ACE_DEBUG((LM_INFO, ACE_TEXT("Finished write\n")));
  // When the write completes, we get the message block. It's been sent,
  // so we just deallocate it.
  result.message_block().release();
#if defined (ACE_WIN32)
  // to circumvent problems on older Win32 (see above) we schedule a read here if none
  // is pending yet.
  if (!this->read_pending_)
  {
    ACE_Message_Block *mb;
    ACE_NEW_NORETURN(mb, ACE_Message_Block(FILE_FRAME_SIZE));
    if (reader_.read(*mb, mb->space(),
                     (this->block_count_ - 1) * FILE_FRAME_SIZE) != 0)
    {
      int errnr = ACE_OS::last_error ();
      ACE_DEBUG(
          (LM_INFO, ACE_TEXT("%p [%d]\n"), ACE_TEXT("FileIOHandler read after write failed"), errnr));
      mb->release();
    }
    else
    {
      this->read_pending_ = true;
    }
  }
#endif
}
Ejemplo n.º 2
0
void
Writer::handle_write_file (const ACE_Asynch_Write_File::Result &result)
{
  ACE_Message_Block *mb = &result.message_block ();

  ACE_DEBUG ((LM_DEBUG,
              ACE_TEXT ("Writer::handle_write_file at offset %d wrote %d\n"),
              this->reported_file_offset_,
              result.bytes_transferred ()));

  this->reported_file_offset_ +=
    static_cast<u_long> (result.bytes_transferred ());

  // Always truncate as required,
  // because partial will always be the last write to a file
  ACE_Message_Block *last_mb = mb;
  last_chunk (mb, last_mb);

  if (last_mb->space ())
    ACE_OS::truncate (output_file,
                      this->reported_file_offset_ -
                        static_cast<u_long> (last_mb->space ()));

  free_chunks_chain (mb);

  --this->io_count_;

  // end of process?
  if (0 == this->receiver_count_ &&
      0 == this->io_count_)
    {
      ACE_TEST_ASSERT (0 == this->odd_chain_ && 0 == this->even_chain_);

      ACE_DEBUG ((LM_DEBUG,
                  ACE_TEXT ("Writer::handle_write_file")
                  ACE_TEXT (" - ending proactor event loop\n")));

      ACE_Proactor::instance ()->end_event_loop ();

      delete this;
    }
}
void
Simple_Tester::handle_write_file (const ACE_Asynch_Write_File::Result &result)
{
  ACE_DEBUG ((LM_DEBUG, "handle_write_File called\n"));

  // Reset pointers
  result.message_block ().rd_ptr (result.message_block ().rd_ptr () - result.bytes_transferred ());

  result.message_block ().rd_ptr ()[result.bytes_transferred ()] = '\0';

  ACE_DEBUG ((LM_DEBUG, "********************\n"));
  ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "bytes_to_write", result.bytes_to_write ()));
  ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "handle", result.handle ()));
  ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "bytes_transfered", result.bytes_transferred ()));
  ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "act", (u_long) result.act ()));
  ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "success", result.success ()));
  ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "completion_key", (u_long) result.completion_key ()));
  ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "error", result.error ()));
  ACE_DEBUG ((LM_DEBUG, "********************\n"));
  // Watch out if you need to enable this... the ACE_Log_Record::MAXLOGMSGLEN
  // value controls to max length of a log record, and a large output
  // buffer may smash it.
#if 0
  ACE_DEBUG ((LM_DEBUG, "%s = %s\n",
              "message_block",
              result.message_block ().rd_ptr ()));
#endif  /* 0 */
  ACE_Proactor::end_event_loop ();
}
Ejemplo n.º 4
0
void
Receiver::handle_write_file (const ACE_Asynch_Write_File::Result &result)
{
  ACE_DEBUG ((LM_DEBUG, "handle_write_file called\n"));

  ACE_DEBUG ((LM_DEBUG, "********************\n"));
  ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "bytes_to_write", result.bytes_to_write ()));
  ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "handle", result.handle ()));
  ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "bytes_transfered", result.bytes_transferred ()));
  ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "act", (uintptr_t) result.act ()));
  ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "success", result.success ()));
  ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "completion_key", (uintptr_t) result.completion_key ()));
  ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "error", result.error ()));
  ACE_DEBUG ((LM_DEBUG, "********************\n"));

  result.message_block ().release ();

  if (result.success ())
    // Write successful:  Increment file offset
    this->file_offset_ +=
      ACE_Utils::truncate_cast<u_long> (result.bytes_transferred ());

  // This code is not robust enough to deal with short file writes
  // (which hardly ever happen) ;-)
  ACE_ASSERT (result.bytes_to_write () == result.bytes_transferred ());
}