C++ (Cpp) Result::bytes_to_readの例

コード例 #1

ファイル: test_proactor.cpp プロジェクト: binghuo365/BaseLab

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;
        }
    }
}

コード例 #2

ファイル: simple_test_proactor.cpp プロジェクト: BackupTheBerlios/pyasynchio-svn

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;
	}
    }
}