Пример #1
0
void
Sender::handle_read_file (const ACE_Asynch_Read_File::Result &result)
{
  ACE_Message_Block *mb = &result.message_block ();

  if (result.error () == 0 && result.bytes_transferred () != 0)
    {
      size_t bytes_transferred = result.bytes_transferred ();
      size_t chunks_chain_size = mb->total_size ();
      ACE_DEBUG ((LM_DEBUG,
                  ACE_TEXT ("Sender::handle_read_file, read %d, ")
                  ACE_TEXT ("chain total %d\n"),
                  bytes_transferred,
                  chunks_chain_size));

      this->file_offset_ += static_cast<u_long> (bytes_transferred);

      this->initiate_write_stream (*mb);

      // and read more if required
      if (bytes_transferred == chunks_chain_size)
        this->initiate_read_file ();
    }
  else
    free_chunks_chain (mb);

  --this->io_count_;

  this->check_destroy ();
}
Пример #2
0
void
Sender::handle_read_file (const ACE_Asynch_Read_File::Result &result)
{
  ACE_DEBUG ((LM_DEBUG,
              "handle_read_file called\n"));

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

  ACE_DEBUG ((LM_DEBUG, "********************\n"));
  ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "bytes_to_read", result.bytes_to_read ()));
  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"));
  //ACE_DEBUG ((LM_DEBUG, "%s = %s\n", "message_block", result.message_block ().rd_ptr ()));

  if (result.success ())
    {
      // Read successful: increment offset and write data to network.
      // Note how we reuse the <ACE_Message_Block> for the writing.
      // Therefore, we do not delete this buffer because it is handled
      // in <handle_write_stream>.

      this->file_offset_ +=
        ACE_Utils::truncate_cast<u_long> (result.bytes_transferred ());
      
      if (this->ws_.write (result.message_block (),
                           result.bytes_transferred ()) == -1)
        {
          ACE_ERROR ((LM_ERROR,
                      "%p\n",
                      "ACE_Asynch_Write_Stream::write"));
          return;
        }

      if (this->file_size_ > this->file_offset_)
        {
          // Start an asynchronous read file.
          if (initiate_read_file () == -1)
            return;
        }
    }
}
void
Simple_Tester::handle_read_file (const ACE_Asynch_Read_File::Result &result)
{
  ACE_DEBUG ((LM_DEBUG, "handle_read_file called\n"));

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

  ACE_DEBUG ((LM_DEBUG, "********************\n"));
  ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "bytes_to_read", result.bytes_to_read ()));
  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 */

  if (result.success ())
    {
      // Read successful: write this to the file.
      if (this->wf_.write (result.message_block (),
			   result.bytes_transferred ()) == -1)
	{
	  ACE_ERROR ((LM_ERROR, "%p\n", "ACE_Asynch_Write_File::write"));
	  return;
	}
    }
}
Пример #4
0
//***************************************************************************
//
//    Method:          handle_read_file
//
//    Description:   Callback used when a read completes
//
// Inputs:        read file result structure containing message block
//
// Returns:       none
//
//***************************************************************************
void
FileIOHandler::handle_read_file(const ACE_Asynch_Read_File::Result &result)
{
  ACE_Message_Block &mb = result.message_block();
  // If the read failed, queue up another one using the same message block
  if (!result.success() || result.bytes_transferred() == 0)
  {
    //ACE_DEBUG((LM_INFO, ACE_TEXT("FileIOHandler receive timeout.\n")));
    reader_.read(mb,
                 mb.space(),
                 result.offset () + result.bytes_transferred ());
  }
  else
  {
    // We have a message block with some read data in it. Send it onward
    ACE_DEBUG((LM_INFO, ACE_TEXT("FileIOHandler received %d bytes of data at offset %d\n"),
                        result.bytes_transferred(), result.offset ()));

    // TODO: Process this data in some meaningful way
    if (result.offset () != (unsigned long)*reinterpret_cast<unsigned char*> (mb.rd_ptr ()))
    {
      ACE_DEBUG((LM_ERROR, ACE_TEXT("FileIOHandler received incorrect data: got [%u] expected [%u]\n"),
                           *reinterpret_cast<unsigned char*> (mb.rd_ptr ()), result.offset ()));
    }

    // Release the message block when we're done with it
    mb.release();

    if ((result.offset () + result.bytes_transferred ()) < 256)
    {
      // Our processing is done; prime the read process again
      ACE_Message_Block *new_mb;
      ACE_NEW_NORETURN(new_mb, ACE_Message_Block(FILE_FRAME_SIZE));
      if (reader_.read(*new_mb, new_mb->space(),
                       result.offset () + result.bytes_transferred ()) != 0)
      {
        int errnr = ACE_OS::last_error ();
        ACE_DEBUG(
            (LM_INFO, ACE_TEXT("%p [%d]\n"), ACE_TEXT("FileIOHandler continuing read failed"), errnr));
        new_mb->release();
#if defined (ACE_WIN32)
        this->read_pending_ = false;
      }
      else
      {
        this->read_pending_ = true;
#endif
      }
    }
    else
    {
      // we have it all; stop the proactor
      ACE_Proactor::instance ()->proactor_end_event_loop ();
    }
  }
}