C++ WaitSet_var::detach_condition方法代码示例

/**
 * Handles zero copy message sets. Consider your requirements and edit timeout nad matched status bits as needed.
 * QoS should drive all of you design decisions.
 */
void CAppNodeImpl::HandleWaitCondition()
{
	// Block until Subscriber is available
	DDS::StatusCondition_var condition = _writer->get_statuscondition();
	condition->set_enabled_statuses( DDS::PUBLICATION_MATCHED_STATUS );

	DDS::WaitSet_var waitSet = new DDS::WaitSet;
	waitSet->attach_condition( condition );

	DDS::ConditionSeq conditions;
	DDS::SubscriptionMatchedStatus matches = { 0, 0, 0, 0, 0 };
	DDS::Duration_t timeout = { 30, 0 };

	if ( waitSet->wait(conditions, timeout ) != DDS::RETCODE_OK )
	{
		LOG( ERROR ) << "wait condition failed.";
	}

	if ( _reader->get_subscription_matched_status( matches ) != DDS::RETCODE_OK )
	{
		LOG( ERROR ) << "Publication matched status failed.";
	}

	waitSet->detach_condition( condition );
}

int
OpenDDS::Model::WriterSync::wait_unmatch(const DDS::DataWriter_var& writer,
                                         unsigned int num_readers)
{
  DDS::ReturnCode_t stat;
  DDS::StatusCondition_var condition = writer->get_statuscondition();
  condition->set_enabled_statuses(DDS::PUBLICATION_MATCHED_STATUS);
  DDS::WaitSet_var ws = new DDS::WaitSet;
  ws->attach_condition(condition);
  DDS::ConditionSeq conditions;
  DDS::PublicationMatchedStatus ms = { 0, 0, 0, 0, 0 };
  DDS::Duration_t timeout = { 1, 0 };
  do {
    if (DCPS_debug_level > 4) {
      ACE_DEBUG((LM_NOTICE, ACE_TEXT("WriterSync: pub checking unmatched\n")));
    }
    stat = writer->get_publication_matched_status(ms);
    if (stat != DDS::RETCODE_OK) {
      ACE_ERROR_RETURN((
                  LM_ERROR,
                  ACE_TEXT("(%P|%t) ERROR: %N:%l: wait_unmatch() -")
                  ACE_TEXT(" get_publication_matched_status failed!\n")),
                 -1);
    } else if (ms.current_count == 0 && (unsigned int)ms.total_count >= num_readers) {
      if (DCPS_debug_level > 4) {
        ACE_DEBUG((LM_NOTICE, ACE_TEXT("WriterSync: pub match count %d total count %d\n"),
                                       ms.current_count, ms.total_count));
      }
      break;  // unmatched
    }
    if (DCPS_debug_level > 4) {
      ACE_DEBUG((LM_NOTICE, ACE_TEXT("WriterSync: pub match count %d total count %d\n"),
                                     ms.current_count, ms.total_count));
    }
    // wait for a change
    stat = ws->wait(conditions, timeout);
    if ((stat != DDS::RETCODE_OK) && (stat != DDS::RETCODE_TIMEOUT)) {
      ACE_ERROR_RETURN((LM_ERROR,
                        ACE_TEXT("(%P|%t) ERROR: %N:%l: wait_unmatch() -")
                        ACE_TEXT(" wait failed!\n")),
                       -1);
    }
  } while (true);
  ws->detach_condition(condition);
  if (DCPS_debug_level > 4) {
    ACE_DEBUG((LM_NOTICE, ACE_TEXT("WriterSync: pub unmatched\n")));
  }
  return 0;
}

bool
wait_subscription_matched_status(const Options& /*opts*/, const DDS::DataReader_ptr r)
{
  //  To check the match status ?
  DDS::SubscriptionMatchedStatus matches = {0, 0, 0, 0, 0};
  TEST_ASSERT((r->get_subscription_matched_status(matches) == ::DDS::RETCODE_OK));

  // Block until Subscriber is available
  DDS::StatusCondition_var condition = r->get_statuscondition();
  condition->set_enabled_statuses(DDS::PUBLICATION_MATCHED_STATUS
                                  | DDS::SUBSCRIPTION_MATCHED_STATUS
                                  //                                  | DDS::REQUESTED_INCOMPATIBLE_QOS_STATUS
                                  //                                  | DDS::OFFERED_INCOMPATIBLE_QOS_STATUS
                                  );

  DDS::WaitSet_var ws = new DDS::WaitSet;
  ws->attach_condition(condition);

//  int duration = opts.test_duration;
  DDS::Duration_t timeout = {
    DDS::DURATION_INFINITE_SEC,
    DDS::DURATION_INFINITE_NSEC
//    (duration < 0) ? DDS::DURATION_INFINITE_SEC : duration,
//    (duration < 0) ? DDS::DURATION_INFINITE_NSEC : 0
  };

  DDS::ConditionSeq conditions;

  int status = ws->wait(conditions, timeout);
  ws->detach_condition(condition);

  if (status != DDS::RETCODE_OK)
    {
      ACE_ERROR_RETURN((LM_ERROR,
                        ACE_TEXT("(%P|%t)")
                        ACE_TEXT(" ERROR: wait failed: %p\n")), false);
    }

  return true;
}

int
Writer::svc()
{
  DDS::InstanceHandleSeq handles;

  try {
    // Block until Subscriber is available
    DDS::StatusCondition_var condition = writer_->get_statuscondition();
    condition->set_enabled_statuses(DDS::PUBLICATION_MATCHED_STATUS);

    DDS::WaitSet_var ws = new DDS::WaitSet;
    ws->attach_condition(condition);

    DDS::Duration_t timeout =
      { DDS::DURATION_INFINITE_SEC, DDS::DURATION_INFINITE_NSEC };

    DDS::ConditionSeq conditions;
    DDS::PublicationMatchedStatus matches = {0, 0, 0, 0, 0};

    do {
      if (ws->wait(conditions, timeout) != DDS::RETCODE_OK) {
        ACE_ERROR((LM_ERROR,
                   ACE_TEXT("%N:%l: svc()")
                   ACE_TEXT(" ERROR: wait failed!\n")));
        ACE_OS::exit(-1);
      }

      if (writer_->get_publication_matched_status(matches) != ::DDS::RETCODE_OK) {
        ACE_ERROR((LM_ERROR,
                   ACE_TEXT("%N:%l: svc()")
                   ACE_TEXT(" ERROR: get_publication_matched_status failed!\n")));
        ACE_OS::exit(-1);
      }

    } while (matches.current_count < 2);

    ws->detach_condition(condition);

    // Write samples
    Messenger::MessageDataWriter_var message_dw
      = Messenger::MessageDataWriter::_narrow(writer_.in());

    if (CORBA::is_nil(message_dw.in())) {
        ACE_ERROR((LM_ERROR,
                   ACE_TEXT("%N:%l: svc()")
                   ACE_TEXT(" ERROR: _narrow failed!\n")));
        ACE_OS::exit(-1);
    }

    Messenger::Message message;

    message.from       = CORBA::string_dup(ownership_dw_id_.c_str());
    message.subject    = CORBA::string_dup("Review");
    message.text       = CORBA::string_dup("Worst. Movie. Ever.");
    message.count      = 1;
    message.strength   = ownership_strength;

    for (int i = 0; i < num_messages; i++) {
      message.subject_id = message.count % 2;  // 0 or 1
      ACE_DEBUG ((LM_DEBUG, "(%P|%t) %s writes instance %d count %d str %d\n",
      ownership_dw_id_.c_str(), message.subject_id, message.count, message.strength));
      DDS::ReturnCode_t error = message_dw->write(message, ::DDS::HANDLE_NIL);

      if (error != DDS::RETCODE_OK) {
        ACE_ERROR((LM_ERROR,
                   ACE_TEXT("%N:%l: svc()")
                   ACE_TEXT(" ERROR: write returned %d!\n"), error));

        if (error == DDS::RETCODE_TIMEOUT) {
          timeout_writes_++;
        }
      }

      if (message.count == 5) {
        ::DDS::DataWriterQos qos;
        error = this->writer_->get_qos (qos);
        if (error != ::DDS::RETCODE_OK) {
          ACE_ERROR((LM_ERROR,
                   ACE_TEXT("%N:%l: svc()")
                   ACE_TEXT(" ERROR: get_qos returned %d!\n"), error));
        }
        CORBA::Long old = qos.ownership_strength.value;
        if (reset_ownership_strength != -1 && old != reset_ownership_strength) {
          qos.ownership_strength.value = reset_ownership_strength;
          // Add a delay so the builtin topic data update arrives after samples
          // with previous strength is received by datareader. This helps simplify
          // result verification on subscriber side.
          ACE_OS::sleep (1);
          ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P|%t) %s : reset ownership strength from %d to %d\n"),
            ownership_dw_id_.c_str(), old, reset_ownership_strength));
          error = this->writer_->set_qos (qos);
          if (error != ::DDS::RETCODE_OK) {
            ACE_ERROR((LM_ERROR,
                   ACE_TEXT("%N:%l: svc()")
                   ACE_TEXT(" ERROR: set_qos returned %d!\n"), error));
          }
          else {
            message.strength   =  reset_ownership_strength;
            ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P|%t) ownership strength in message is now %d\n"),
              message.strength));
//.........这里部分代码省略.........

//.........这里部分代码省略.........

        writer_qos.history.depth = samples_per_thread_;

        if (deadline_.sec > 0 || deadline_.nanosec > 0)
        {
            writer_qos.deadline.period.sec = deadline_.sec;
            writer_qos.deadline.period.nanosec = deadline_.nanosec;
        }

        DDS::DataWriter_var writer =
            publisher->create_datawriter(topic.in(),
                                         writer_qos,
                                         DDS::DataWriterListener::_nil(),
                                         ::OpenDDS::DCPS::DEFAULT_STATUS_MASK);

        if (CORBA::is_nil(writer.in()))
            ACE_ERROR_RETURN((LM_ERROR,
                              ACE_TEXT("%N:%l: svc()")
                              ACE_TEXT(" create_datawriter failed!\n")), 1);

        FooDataWriter_var writer_i = FooDataWriter::_narrow(writer);
        if (CORBA::is_nil(writer_i))
            ACE_ERROR_RETURN((LM_ERROR,
                              ACE_TEXT("%N:%l: svc()")
                              ACE_TEXT(" _narrow failed!\n")), 1);

        // Block until Subscriber is available
        DDS::StatusCondition_var cond = writer->get_statuscondition();
        cond->set_enabled_statuses(DDS::PUBLICATION_MATCHED_STATUS);

        DDS::WaitSet_var ws = new DDS::WaitSet;
        ws->attach_condition(cond);

        DDS::Duration_t timeout =
        { DDS::DURATION_INFINITE_SEC, DDS::DURATION_INFINITE_NSEC };

        DDS::ConditionSeq conditions;
        DDS::PublicationMatchedStatus matches = {0, 0, 0, 0, 0};
        do
        {
            if (ws->wait(conditions, timeout) != DDS::RETCODE_OK)
                ACE_ERROR_RETURN((LM_ERROR,
                                  ACE_TEXT("%N:%l: svc()")
                                  ACE_TEXT(" wait failed!\n")), 1);

            if (writer->get_publication_matched_status(matches) != ::DDS::RETCODE_OK)
            {
                ACE_ERROR ((LM_ERROR,
                            "(%P|%t) ERROR: failed to get publication matched status\n"));
                ACE_OS::exit (1);
            }
        }
        while (matches.current_count < 1);

        ws->detach_condition(cond);

        // The following is intentionally inefficient to stress various
        // pathways related to publication; we should be especially dull
        // and write only one sample at a time per writer.

        ProgressIndicator progress("(%P|%t)       PARTICIPANT %d%% (%d samples sent)\n",
                                   samples_per_thread_);

        for (std::size_t i = 0; i < samples_per_thread_; ++i)
        {
            Foo foo;
            foo.key = 3;
            DDS::InstanceHandle_t handle = writer_i->register_instance(foo);

            if (writer_i->write(foo, handle) != DDS::RETCODE_OK)
                ACE_ERROR_RETURN((LM_ERROR,
                                  ACE_TEXT("%N:%l: svc()")
                                  ACE_TEXT(" write failed!\n")), 1);
            ++progress;
            ACE_OS::sleep(delay_between_pubs);
        }

        DDS::Duration_t interval = { 30, 0};
        if( DDS::RETCODE_OK != writer->wait_for_acknowledgments( interval)) {
            ACE_ERROR_RETURN((LM_ERROR,
                              ACE_TEXT("(%P:%t) ERROR: svc() - ")
                              ACE_TEXT("timed out waiting for acks!\n")
                             ), 1);
        }
        publisher->delete_datawriter(writer);

        // Clean-up!
        participant->delete_contained_entities();
        dpf->delete_participant(participant.in());
    }
    catch (const CORBA::Exception& e)
    {
        e._tao_print_exception("caught in svc()");
        return 1;
    }

    ACE_DEBUG((LM_INFO, ACE_TEXT("(%P|%t)    <- PARTICIPANT FINISHED\n")));

    return 0;
}

//.........这里部分代码省略.........
                          ACE_TEXT("ERROR: %N:%l: main() -")
                          ACE_TEXT(" create_publisher failed!\n")),
                         -1);
      }

      // Create DataWriter
      DDS::DataWriter_var writer =
        publisher->create_datawriter(topic,
                                     DATAWRITER_QOS_DEFAULT,
                                     0,
                                     OpenDDS::DCPS::DEFAULT_STATUS_MASK);

      if (!writer) {
        ACE_ERROR_RETURN((LM_ERROR,
                          ACE_TEXT("ERROR: %N:%l: main() -")
                          ACE_TEXT(" create_datawriter failed!\n")),
                         -1);
      }

      Messenger::MessageDataWriter_var message_writer =
        Messenger::MessageDataWriter::_narrow(writer);

      if (!message_writer) {
        ACE_ERROR_RETURN((LM_ERROR,
                          ACE_TEXT("ERROR: %N:%l: main() -")
                          ACE_TEXT(" _narrow failed!\n")),
                         -1);
      }

      // Block until Subscriber is available
      DDS::StatusCondition_var condition = writer->get_statuscondition();
      condition->set_enabled_statuses(DDS::PUBLICATION_MATCHED_STATUS);

      DDS::WaitSet_var ws = new DDS::WaitSet;
      ws->attach_condition(condition);

      while (true) {
        DDS::PublicationMatchedStatus matches;
        if (writer->get_publication_matched_status(matches) != ::DDS::RETCODE_OK) {
          ACE_ERROR_RETURN((LM_ERROR,
                            ACE_TEXT("ERROR: %N:%l: main() -")
                            ACE_TEXT(" get_publication_matched_status failed!\n")),
                           -1);
        }

        if (matches.current_count >= 1) {
          break;
        }

        DDS::ConditionSeq conditions;
        DDS::Duration_t timeout = { 60, 0 };
        if (ws->wait(conditions, timeout) != DDS::RETCODE_OK) {
          ACE_ERROR_RETURN((LM_ERROR,
                            ACE_TEXT("ERROR: %N:%l: main() -")
                            ACE_TEXT(" wait failed!\n")),
                           -1);
        }
      }

      ws->detach_condition(condition);

      // Write samples
      Messenger::Message message;
      message.subject_id = 99;

      message.from       = "Comic Book Guy";
      message.subject    = "Review";
      message.text       = "Worst. Movie. Ever.";
      message.count      = 0;

      for (int i = 0; i < 10; ++i) {
        DDS::ReturnCode_t error = message_writer->write(message, DDS::HANDLE_NIL);
        ++message.count;
        ++message.subject_id;

        if (error != DDS::RETCODE_OK) {
          ACE_ERROR((LM_ERROR,
                     ACE_TEXT("ERROR: %N:%l: main() -")
                     ACE_TEXT(" write returned %d!\n"), error));
        }
      }
    }

    ACE_DEBUG((LM_DEBUG, "(%P|%t) Stop publisher\n"));

    // Clean-up!
    participant->delete_contained_entities();
    dpf->delete_participant(participant);

    TheServiceParticipant->shutdown();

  } catch (const CORBA::Exception& e) {
    e._tao_print_exception("Exception caught in main():");
    return -1;
  }

  ACE_DEBUG((LM_DEBUG, "(%P|%t) Publisher exiting\n"));

  return 0;
}

//.........这里部分代码省略.........
      ACE_ERROR_RETURN((LM_ERROR,
                        ACE_TEXT("ERROR: %N:%l: main() -")
                        ACE_TEXT(" create_publisher failed!\n")),
                       -1);
    }

    // Create DataWriter
    DDS::DataWriter_var writer =
      publisher->create_datawriter(topic.in(),
                                   DATAWRITER_QOS_DEFAULT,
                                   DDS::DataWriterListener::_nil(),
                                   OpenDDS::DCPS::DEFAULT_STATUS_MASK);

    if (CORBA::is_nil(writer.in())) {
      ACE_ERROR_RETURN((LM_ERROR,
                        ACE_TEXT("ERROR: %N:%l: main() -")
                        ACE_TEXT(" create_datawriter failed!\n")),
                       -1);
    }

    Messenger::MessageDataWriter_var message_writer =
      Messenger::MessageDataWriter::_narrow(writer.in());

    if (CORBA::is_nil(message_writer.in())) {
        ACE_ERROR_RETURN((LM_ERROR,
                          ACE_TEXT("ERROR: %N:%l: main() -")
                          ACE_TEXT(" _narrow failed!\n")),
                         -1);
    }

    // Block until Subscriber is available
    DDS::StatusCondition_var condition = writer->get_statuscondition();
    condition->set_enabled_statuses(DDS::PUBLICATION_MATCHED_STATUS);

    DDS::WaitSet_var ws = new DDS::WaitSet;
    ws->attach_condition(condition);

    DDS::ConditionSeq conditions;
    DDS::PublicationMatchedStatus matches = { 0, 0, 0, 0, 0 };
    DDS::Duration_t timeout = { 30, 0 };

    do {
      if (ws->wait(conditions, timeout) != DDS::RETCODE_OK) {
        ACE_ERROR_RETURN((LM_ERROR,
                          ACE_TEXT("ERROR: %N:%l: main() -")
                          ACE_TEXT(" wait failed!\n")),
                         -1);
      }

      if (writer->get_publication_matched_status(matches) != ::DDS::RETCODE_OK) {
        ACE_ERROR_RETURN((LM_ERROR,
                          ACE_TEXT("ERROR: %N:%l: main() -")
                          ACE_TEXT(" get_publication_matched_status failed!\n")),
                         -1);
      }

    } while (matches.current_count < 1);

    ws->detach_condition(condition);

    // Write samples
    Messenger::Message message;
    message.subject_id = 99;

    message.from       = CORBA::string_dup("Comic Book Guy");
    message.subject    = CORBA::string_dup("Review");
    message.text       = CORBA::string_dup("Worst. Movie. Ever.");
    message.count      = 0;

    for (int i = 0; i < 10; i++) {
      DDS::ReturnCode_t error = message_writer->write(message, DDS::HANDLE_NIL);

      if (error != DDS::RETCODE_OK) {
        ACE_ERROR((LM_ERROR,
                   ACE_TEXT("ERROR: %N:%l: main() -")
                   ACE_TEXT(" write returned %d!\n"), error));
      }
    }

    // Wait for samples to be acknowledged
    if (message_writer->wait_for_acknowledgments(timeout) != DDS::RETCODE_OK) {
      ACE_ERROR_RETURN((LM_ERROR,
                        ACE_TEXT("ERROR: %N:%l: main() -")
                        ACE_TEXT(" wait_for_acknowledgments failed!\n")),
                       -1);
    }

    // Clean-up!
    participant->delete_contained_entities();
    dpf->delete_participant(participant.in());

    TheServiceParticipant->shutdown();

  } catch (const CORBA::Exception& e) {
    e._tao_print_exception("Exception caught in main():");
    return -1;
  }

  return 0;
}

//.........这里部分代码省略.........
      // Create DataWriter
      DDS::DataWriterQos writer_qos;
      publisher->get_default_datawriter_qos(writer_qos);
#ifndef OPENDDS_NO_OWNERSHIP_PROFILE
      writer_qos.history.depth = samples_per_thread_;
#endif

      writer =
        publisher->create_datawriter(topic.in(),
                                     writer_qos,
                                     DDS::DataWriterListener::_nil(),
                                     ::OpenDDS::DCPS::DEFAULT_STATUS_MASK);

      if (CORBA::is_nil(writer.in()))
        ACE_ERROR_RETURN((LM_ERROR,
                          ACE_TEXT("%N:%l: svc()")
                          ACE_TEXT(" create_datawriter failed!\n")), 1);

      writer_i = FooDataWriter::_narrow(writer);
      if (CORBA::is_nil(writer_i))
        ACE_ERROR_RETURN((LM_ERROR,
                          ACE_TEXT("%N:%l: svc()")
                          ACE_TEXT(" _narrow failed!\n")), 1);

      // Block until Subscriber is available
      cond = writer->get_statuscondition();
      cond->set_enabled_statuses(DDS::PUBLICATION_MATCHED_STATUS);

      ws->attach_condition(cond);

      DDS::Duration_t timeout =
        { DDS::DURATION_INFINITE_SEC, DDS::DURATION_INFINITE_NSEC };

      DDS::ConditionSeq conditions;
      DDS::PublicationMatchedStatus matches = {0, 0, 0, 0, 0};
      do
      {
        if (ws->wait(conditions, timeout) != DDS::RETCODE_OK)
          ACE_ERROR_RETURN((LM_ERROR,
                            ACE_TEXT("%N:%l: svc()")
                            ACE_TEXT(" wait failed!\n")), 1);

        if (writer->get_publication_matched_status(matches) != ::DDS::RETCODE_OK)
        {
          ACE_ERROR ((LM_ERROR,
            "(%P|%t) ERROR: failed to get publication matched status\n"));
          ACE_OS::exit (1);
        }
      }
      while (matches.current_count < 1);

      ws->detach_condition(cond);

      // The following is intentionally inefficient to stress various
      // pathways related to publication; we should be especially dull
      // and write only one sample at a time per writer.

      ProgressIndicator progress("(%P|%t)       PARTICIPANT %d%% (%d samples sent)\n",
                                 samples_per_thread_);

      for (std::size_t i = 0; i < samples_per_thread_; ++i)
      {
        Foo foo;
        foo.key = 3;
        DDS::InstanceHandle_t handle = writer_i->register_instance(foo);

        if (writer_i->write(foo, handle) != DDS::RETCODE_OK) {
          ACE_ERROR_RETURN((LM_ERROR,
                            ACE_TEXT("%N:%l: svc()")
                            ACE_TEXT(" write failed!\n")), 1);
        }
        ++progress;
      }

      DDS::Duration_t interval = { 30, 0};
      if( DDS::RETCODE_OK != writer->wait_for_acknowledgments( interval)) {
        ACE_ERROR_RETURN((LM_ERROR,
          ACE_TEXT("(%P:%t) ERROR: svc() - ")
          ACE_TEXT("timed out waiting for acks!\n")
        ), 1);
      }
    }

    // Clean-up!
    ACE_DEBUG((LM_INFO, ACE_TEXT("(%P|%t)       <- PUBLISHER PARTICIPANT DEL CONT ENTITIES\n")));
    participant->delete_contained_entities();
    ACE_DEBUG((LM_INFO, ACE_TEXT("(%P|%t)       <- PUBLISHER DELETE PARTICIPANT\n")));
    dpf->delete_participant(participant.in());
    ACE_DEBUG((LM_INFO, ACE_TEXT("(%P|%t)       <- PUBLISHER PARTICIPANT VARS GOING OUT OF SCOPE\n")));
  }
  catch (const CORBA::Exception& e)
  {
    e._tao_print_exception("caught in svc()");
    return 1;
  }

  ACE_DEBUG((LM_INFO, ACE_TEXT("(%P|%t)    <- PARTICIPANT FINISHED\n")));

  return 0;
}

//.........这里部分代码省略.........
      ACE_ERROR_RETURN((LM_ERROR,
                        ACE_TEXT("ERROR: %N:%l: main() -")
                        ACE_TEXT(" register_type failed!\n")), -1);
    }

    // Create Topic (Movie Discussion List)
    CORBA::String_var type_name = ts->get_type_name();
    DDS::Topic_var topic =
      participant->create_topic("Movie Discussion List",
                                type_name,
                                TOPIC_QOS_DEFAULT,
                                0,
                                OpenDDS::DCPS::DEFAULT_STATUS_MASK);

    if (!topic) {
      ACE_ERROR_RETURN((LM_ERROR,
                        ACE_TEXT("ERROR: %N:%l: main() -")
                        ACE_TEXT(" create_topic failed!\n")), -1);
    }

    // Create Subscriber
    DDS::Subscriber_var subscriber =
      participant->create_subscriber(SUBSCRIBER_QOS_DEFAULT,
                                     0,
                                     OpenDDS::DCPS::DEFAULT_STATUS_MASK);

    if (!subscriber) {
      ACE_ERROR_RETURN((LM_ERROR,
                        ACE_TEXT("ERROR: %N:%l: main() -")
                        ACE_TEXT(" create_subscriber failed!\n")), -1);
    }

    // Create DataReader
    DDS::DataReaderListener_var listener(new DataReaderListenerImpl);

    DDS::DataReader_var reader =
      subscriber->create_datareader(topic,
                             DATAREADER_QOS_DEFAULT,
                             listener,
                             OpenDDS::DCPS::DEFAULT_STATUS_MASK);

    if (!reader) {
      ACE_ERROR_RETURN((LM_ERROR,
                        ACE_TEXT("ERROR: %N:%l: main() -")
                        ACE_TEXT(" create_datareader failed!\n")), -1);
    }

    Messenger::MessageDataReader_var reader_i =
      Messenger::MessageDataReader::_narrow(reader);

    if (!reader_i) {
      ACE_ERROR_RETURN((LM_ERROR,
                        ACE_TEXT("ERROR: %N:%l: main() -")
                        ACE_TEXT(" _narrow failed!\n")),
                       -1);
    }

    // Block until Publisher completes
    DDS::StatusCondition_var condition = reader->get_statuscondition();
    condition->set_enabled_statuses(DDS::SUBSCRIPTION_MATCHED_STATUS);

    DDS::WaitSet_var ws = new DDS::WaitSet;
    ws->attach_condition(condition);

    while (true) {
      DDS::SubscriptionMatchedStatus matches;
      if (reader->get_subscription_matched_status(matches) != DDS::RETCODE_OK) {
        ACE_ERROR_RETURN((LM_ERROR,
                          ACE_TEXT("ERROR: %N:%l: main() -")
                          ACE_TEXT(" get_subscription_matched_status failed!\n")), -1);
      }

      if (matches.current_count == 0 && matches.total_count > 0) {
        break;
      }

      DDS::ConditionSeq conditions;
      DDS::Duration_t timeout = { 60, 0 };
      if (ws->wait(conditions, timeout) != DDS::RETCODE_OK) {
        ACE_ERROR_RETURN((LM_ERROR,
                          ACE_TEXT("ERROR: %N:%l: main() -")
                          ACE_TEXT(" wait failed!\n")), -1);
      }
    }

    ws->detach_condition(condition);

    // Clean-up!
    participant->delete_contained_entities();
    dpf->delete_participant(participant);

    TheServiceParticipant->shutdown();

  } catch (const CORBA::Exception& e) {
    e._tao_print_exception("Exception caught in main():");
    return -1;
  }

  return 0;
}

int ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
  DDS::DomainParticipantFactory_var dpf = DDS::DomainParticipantFactory::_nil();
  DDS::DomainParticipant_var participant = DDS::DomainParticipant::_nil();

  try 
  {
     QuantLibAddinCpp::initializeAddin();

     boost::gregorian::date date ( boost::gregorian::from_undelimited_string( "20111019" ) );

     long evaluationDate = QuantLib::Date( date.day(), QuantLib::Month(date.month().as_number()), date.year() ).serialNumber(); 

     QuantLibAddinCpp::qlSettingsSetEvaluationDate(evaluationDate, OH_NULL);

     std::string ticker;

     // Initialize, and create a DomainParticipant
     dpf = TheParticipantFactoryWithArgs(argc, argv);
     
     qldds_utils::BasicDomainParticipant participant( dpf, EQUITY_OPTIONS_DOMAIN_ID );
     participant.createPublisher();
     participant.createSubscriber();
     DDS::DomainParticipant_var dp = participant.getDomainParticipant();  

 
     ACE_Get_Opt cmd_opts( argc, argv, ":s:" );
  
     int option;
  
     while ( (option = cmd_opts()) != EOF )
     {
       switch( option )
       {
         case 's' :
           ticker = cmd_opts.opt_arg();
           break;
       }
     }


     // Topics
     // setting up qlBlackConstantVols Topic
     DDS::Topic_var ql_black_constant_vols_topic = participant.createTopicAndRegisterType
        < qlBlackConstantVolsTypeSupport_var, qlBlackConstantVolsTypeSupportImpl >
         ( QL_BLACK_CONSTANT_VOLS_TOPIC_NAME );

     // setting up qlGeneralizedBlackScholesProcesses Topic
     DDS::Topic_var ql_generalized_black_scholes_processes_topic = participant.createTopicAndRegisterType
        < qlGeneralizedBlackScholesProcessesTypeSupport_var, qlGeneralizedBlackScholesProcessesTypeSupportImpl >
         ( QL_GENERALIZED_BLACK_SCHOLES_PROCESSES_TOPIC_NAME );

     // setting up qlStrikedTypePayoff Topic
     DDS::Topic_var ql_striked_type_payoffs_topic = participant.createTopicAndRegisterType
       < qlStrikedTypePayoffsTypeSupport_var, qlStrikedTypePayoffsTypeSupportImpl >
         ( QL_STRIKED_TYPE_PAYOFFS_TOPIC_NAME );

     // setting up qlEuropeanExercises Topic
     DDS::Topic_var ql_european_exercises_topic = participant.createTopicAndRegisterType
        < qlEuropeanExercisesTypeSupport_var, qlEuropeanExercisesTypeSupportImpl >
         ( QL_EUROPEAN_EXERCISES_TOPIC_NAME ); 

     StraddleSetupTypeSupport_var ts_res = new StraddleSetupTypeSupportImpl;
     if ( ts_res->register_type(dp, "") != DDS::RETCODE_OK )
     {
       std::cout << "Registration of the Topic FAILED!!!!" << std::endl;
     }

     CORBA::String_var type_name = ts_res->get_type_name();
     std::cout << "Type Name : " << type_name << std::endl; 

     std::stringstream multi_topic_select;

     multi_topic_select << "SELECT ticker, putVols, callVols, putPayoffs, callPayoffs, process, exercises FROM "<<
                          QL_BLACK_CONSTANT_VOLS_TOPIC_NAME << " NATURAL JOIN " << 
                          QL_GENERALIZED_BLACK_SCHOLES_PROCESSES_TOPIC_NAME << " NATURAL JOIN " <<
                          QL_STRIKED_TYPE_PAYOFFS_TOPIC_NAME << " NATURAL JOIN " << 
                          QL_EUROPEAN_EXERCISES_TOPIC_NAME << " WHERE ticker = '" << ticker << "'";

     std::cout << multi_topic_select.str() << std::endl; 

     DDS::MultiTopic_var mt = dp->create_multitopic("MyMultiTopic", type_name, multi_topic_select.str().c_str(), DDS::StringSeq()); 

     if ( CORBA::is_nil( mt ) ) 
       std::cout << "MultiTopic Subscribtion failed.!!!!" << mt << std::endl;

     DDS::Subscriber_var sub = participant.getSubscriber();
     std::cout << "Creating Data Reader"<< std::endl;
     DDS::DataReader_var dr = sub->create_datareader(mt, DATAREADER_QOS_DEFAULT, 0, ::OpenDDS::DCPS::DEFAULT_STATUS_MASK);
     std::cout << "Done..."<< std::endl;

     DDS::WaitSet_var ws = new DDS::WaitSet;
     DDS::ReadCondition_var rc = dr->create_readcondition( DDS::ANY_SAMPLE_STATE, DDS::ANY_VIEW_STATE, DDS::ANY_INSTANCE_STATE);
     ws->attach_condition(rc);
     DDS::Duration_t infinite = { DDS::DURATION_INFINITE_SEC, DDS::DURATION_INFINITE_NSEC};
     DDS::ConditionSeq active;
     int ret = ws->wait(active, infinite);
     if (ret != DDS::RETCODE_OK) return false;
     ws->detach_condition(rc);

//.........这里部分代码省略.........

//.........这里部分代码省略.........
                        ACE_TEXT(" ERROR: create_datareader failed!\n")), 7);

    FooDataReader_var reader_i = FooDataReader::_narrow(reader);
    if (CORBA::is_nil(reader_i))
      ACE_ERROR_RETURN((LM_ERROR,
                        ACE_TEXT("%N:%l: main()")
                        ACE_TEXT(" ERROR: _narrow failed!\n")), 1);

    // Create DataWriter
    DDS::DataWriter_var writer =
      publisher->create_datawriter(topic.in(),
                                   DATAWRITER_QOS_DEFAULT,
                                   DDS::DataWriterListener::_nil(),
                                   OpenDDS::DCPS::DEFAULT_STATUS_MASK);

    if (CORBA::is_nil(writer.in()))
      ACE_ERROR_RETURN((LM_ERROR,
                        ACE_TEXT("%N:%l: main()")
                        ACE_TEXT(" ERROR: create_datawriter failed!\n")), 1);

    FooDataWriter_var writer_i = FooDataWriter::_narrow(writer);
    if (CORBA::is_nil(writer_i))
      ACE_ERROR_RETURN((LM_ERROR,
                        ACE_TEXT("%N:%l: main()")
                        ACE_TEXT(" ERROR: _narrow failed!\n")), 1);

    // Block until Subscriber is associated
    DDS::StatusCondition_var cond = writer->get_statuscondition();
    cond->set_enabled_statuses(DDS::PUBLICATION_MATCHED_STATUS);

    DDS::WaitSet_var ws = new DDS::WaitSet;
    ws->attach_condition(cond);

    DDS::Duration_t timeout =
      { DDS::DURATION_INFINITE_SEC, DDS::DURATION_INFINITE_NSEC };

    DDS::ConditionSeq conditions;
    DDS::PublicationMatchedStatus matches = { 0, 0, 0, 0, 0 };
    do
    {
      if (ws->wait(conditions, timeout) != DDS::RETCODE_OK)
        ACE_ERROR_RETURN((LM_ERROR,
                          ACE_TEXT("%N:%l: main()")
                          ACE_TEXT(" ERROR: wait failed!\n")), 1);

      if (writer->get_publication_matched_status(matches) != ::DDS::RETCODE_OK)
      {
        ACE_ERROR_RETURN((LM_ERROR,
                          ACE_TEXT("%N:%l: main()")
                          ACE_TEXT(" ERROR: failed to get publication matched status!\n")),
                          2);
      }
    }
    while (matches.current_count < 1);

    ws->detach_condition(cond);

    //
    // FooDataWriter::dispose should cause an instance to be
    // deleted after the last sample in the instance has been
    // taken from the ReceivedDataElementList:
    //
    DDS_TEST test(reader_i);
    if (!test) return 1;

    Foo foo;
    DDS::InstanceHandle_t handle;

    handle = writer_i->register_instance(foo);

    writer_i->write(foo, handle);
    writer_i->dispose(foo, handle);

    ACE_OS::sleep(5); // wait for samples to arrive

    if (!test.take_all_samples())
        ACE_ERROR_RETURN((LM_ERROR,
                          ACE_TEXT("%N:%l: main()")
                          ACE_TEXT(" ERROR: unable to take samples!\n")), 2);
    /// Verify instance has been deleted
    if (test.has_instance(handle))
        ACE_ERROR_RETURN((LM_ERROR,
                          ACE_TEXT("%N:%l: main()")
                          ACE_TEXT(" ERROR: instance not removed!\n")), 3);

    // Clean-up!
    participant->delete_contained_entities();
    TheParticipantFactory->delete_participant(participant);

    TheTransportFactory->release();
    TheServiceParticipant->shutdown();
  }
  catch (const CORBA::Exception& e)
  {
    e._tao_print_exception("caught in main()");
    return -1;
  }

  return 0;
}

//.........这里部分代码省略.........
      ACE_ERROR_RETURN((LM_ERROR,
                        ACE_TEXT("%N:%l main()")
                        ACE_TEXT(" ERROR: register_type() failed!\n")), -1);
    }

    // Create Topic (Movie Discussion List)
    CORBA::String_var type_name = ts->get_type_name();
    DDS::Topic_var topic =
      participant->create_topic("Movie Discussion List",
                                type_name.in(),
                                TOPIC_QOS_DEFAULT,
                                DDS::TopicListener::_nil(),
                                OpenDDS::DCPS::DEFAULT_STATUS_MASK);

    if (CORBA::is_nil(topic.in())) {
      ACE_ERROR_RETURN((LM_ERROR,
                        ACE_TEXT("%N:%l main()")
                        ACE_TEXT(" ERROR: create_topic() failed!\n")), -1);
    }

    // Create Subscriber
    DDS::Subscriber_var sub =
      participant->create_subscriber(SUBSCRIBER_QOS_DEFAULT,
                                     DDS::SubscriberListener::_nil(),
                                     OpenDDS::DCPS::DEFAULT_STATUS_MASK);

    if (CORBA::is_nil(sub.in())) {
      ACE_ERROR_RETURN((LM_ERROR,
                        ACE_TEXT("%N:%l main()")
                        ACE_TEXT(" ERROR: create_subscriber() failed!\n")), -1);
    }

    // Create DataReader
    DataReaderListenerImpl* const listener_servant = new DataReaderListenerImpl;
    DDS::DataReaderListener_var listener(listener_servant);

    DDS::DataReaderQos dr_qos;
    sub->get_default_datareader_qos(dr_qos);
    if (DataReaderListenerImpl::is_reliable()) {
      std::cout << "Reliable DataReader" << std::endl;
      dr_qos.reliability.kind = DDS::RELIABLE_RELIABILITY_QOS;
    }

    DDS::DataReader_var reader =
      sub->create_datareader(topic.in(),
                             dr_qos,
                             listener.in(),
                             OpenDDS::DCPS::DEFAULT_STATUS_MASK);

    if (CORBA::is_nil(reader.in())) {
      ACE_ERROR_RETURN((LM_ERROR,
                        ACE_TEXT("%N:%l main()")
                        ACE_TEXT(" ERROR: create_datareader() failed!\n")), -1);
    }

    // Block until Publisher completes
    DDS::StatusCondition_var condition = reader->get_statuscondition();
    condition->set_enabled_statuses(DDS::SUBSCRIPTION_MATCHED_STATUS);

    DDS::WaitSet_var ws = new DDS::WaitSet;
    ws->attach_condition(condition);

    DDS::Duration_t timeout =
      { DDS::DURATION_INFINITE_SEC, DDS::DURATION_INFINITE_NSEC };

    DDS::ConditionSeq conditions;
    DDS::SubscriptionMatchedStatus matches = { 0, 0, 0, 0, 0 };

    while (true) {
      if (reader->get_subscription_matched_status(matches) != DDS::RETCODE_OK) {
        ACE_ERROR_RETURN((LM_ERROR,
                          ACE_TEXT("%N:%l main()")
                          ACE_TEXT(" ERROR: get_subscription_matched_status() failed!\n")), -1);
      }
      if (matches.current_count == 0 && matches.total_count > 0) {
        break;
      }
      if (ws->wait(conditions, timeout) != DDS::RETCODE_OK) {
        ACE_ERROR_RETURN((LM_ERROR,
                          ACE_TEXT("%N:%l main()")
                          ACE_TEXT(" ERROR: wait() failed!\n")), -1);
      }
    }

    status = listener_servant->is_valid() ? 0 : -1;

    ws->detach_condition(condition);

    // Clean-up!
    participant->delete_contained_entities();
    dpf->delete_participant(participant.in());
    TheServiceParticipant->shutdown();

  } catch (const CORBA::Exception& e) {
    e._tao_print_exception("Exception caught in main():");
    status = -1;
  }

  return status;
}

//.........这里部分代码省略.........
    // Register Type (FooType)
    FooTypeSupport_var ts = new FooTypeSupportImpl;
    if (ts->register_type(participant.in(), "") != DDS::RETCODE_OK)
      ACE_ERROR_RETURN((LM_ERROR,
                        ACE_TEXT("%N:%l: main()")
                        ACE_TEXT(" register_type failed!\n")), 5);

    // Create Topic (FooTopic)
    DDS::Topic_var topic =
      participant->create_topic("FooTopic",
                                ts->get_type_name(),
                                TOPIC_QOS_DEFAULT,
                                DDS::TopicListener::_nil(),
                                ::OpenDDS::DCPS::DEFAULT_STATUS_MASK);

    if (CORBA::is_nil(topic.in()))
      ACE_ERROR_RETURN((LM_ERROR,
                        ACE_TEXT("%N:%l: main()")
                        ACE_TEXT(" create_topic failed!\n")), 6);

    // Create DataReader
    ProgressIndicator progress =
      ProgressIndicator("(%P|%t)    SUBSCRIBER %d%% (%d samples received)\n",
                        expected_samples);

    DDS::DataReaderListener_var listener =
      new DataReaderListenerImpl(received_samples, progress);

    DDS::DataReaderQos reader_qos;
    subscriber->get_default_datareader_qos(reader_qos);

    reader_qos.history.kind = DDS::KEEP_ALL_HISTORY_QOS;

    DDS::DataReader_var reader =
      subscriber->create_datareader(topic.in(),
                                    reader_qos,
                                    listener.in(),
                                    ::OpenDDS::DCPS::DEFAULT_STATUS_MASK);

    if (CORBA::is_nil(reader.in()))
      ACE_ERROR_RETURN((LM_ERROR,
                        ACE_TEXT("%N:%l: main()")
                        ACE_TEXT(" create_datareader failed!\n")), 7);

    // Block until Publisher completes
    DDS::StatusCondition_var cond = reader->get_statuscondition();
    cond->set_enabled_statuses(DDS::SUBSCRIPTION_MATCHED_STATUS);

    DDS::WaitSet_var ws = new DDS::WaitSet;
    ws->attach_condition(cond);

    DDS::Duration_t timeout =
      { DDS::DURATION_INFINITE_SEC, DDS::DURATION_INFINITE_NSEC };

    DDS::ConditionSeq conditions;
    DDS::SubscriptionMatchedStatus matches = {0, 0, 0, 0, 0};
    do
    {
      if (ws->wait(conditions, timeout) != DDS::RETCODE_OK)
        ACE_ERROR_RETURN((LM_ERROR,
                          ACE_TEXT("%N:%l: main()")
                          ACE_TEXT(" wait failed!\n")), 8);

      if (reader->get_subscription_matched_status(matches) != ::DDS::RETCODE_OK)
      {
        ACE_ERROR ((LM_ERROR,
          "ERROR: failed to get subscription matched status\n"));
        return 1;
      }
    }
    while (matches.current_count > 0 || matches.total_count < n_publishers);
    ws->detach_condition(cond);

    // Clean-up!
    participant->delete_contained_entities();
    dpf->delete_participant(participant.in());

    TheTransportFactory->release();
    TheServiceParticipant->shutdown();
  }
  catch (const CORBA::Exception& e)
  {
    e._tao_print_exception("caught in main()");
    return 9;
  }

  ACE_DEBUG((LM_INFO, ACE_TEXT("(%P|%t) <- SUBSCRIBER FINISHED\n")));

  if (received_samples != expected_samples) {
    ACE_DEBUG((LM_DEBUG,
      ACE_TEXT("(%P|%t) ERROR: subscriber - ")
      ACE_TEXT("received %d of expected %d samples.\n"),
      received_samples,
      expected_samples
    ));
    return 10;
  }

  return 0;
}

void
DataReaderListenerImpl::on_data_available(DDS::DataReader_ptr reader)
{
  TestMsgDataReader_var reader_i =
    TestMsgDataReader::_narrow(reader);

  if (!reader_i) {
    ACE_ERROR((LM_ERROR,
               ACE_TEXT("ERROR: %N:%l: on_data_available() -")
               ACE_TEXT(" _narrow failed!\n")));
    ACE_OS::exit(-1);
  }

  TestMsg message;
  DDS::SampleInfo info;

  DDS::ReturnCode_t error = reader_i->take_next_sample(message, info);

  if (error == DDS::RETCODE_OK) {
    if (info.valid_data) {
      ACE_DEBUG((LM_DEBUG, "(%P|%t) DataReader %C has received message: %d from: %C\n", id_.c_str(), message.value, std::string(message.from).c_str()));

      if (!origin_) {
        TestMsgDataWriter_var message_writer =
          TestMsgDataWriter::_narrow(writer_);

        if (!message_writer) {
          ACE_ERROR((LM_ERROR,
                     ACE_TEXT("ERROR: %N:%l: on_data_available() -")
                     ACE_TEXT(" _narrow failed!\n")));
          ACE_OS::exit(-1);
        }

        // Block until Subscriber is available
        DDS::StatusCondition_var condition = writer_->get_statuscondition();
        condition->set_enabled_statuses(DDS::PUBLICATION_MATCHED_STATUS);

        DDS::WaitSet_var ws = new DDS::WaitSet;
        ws->attach_condition(condition);

        while (true) {
          DDS::PublicationMatchedStatus matches;
          if (writer_->get_publication_matched_status(matches) != ::DDS::RETCODE_OK) {
            ACE_ERROR((LM_ERROR,
                              ACE_TEXT("ERROR: %N:%l: on_data_available() -")
                              ACE_TEXT(" get_publication_matched_status failed!\n")));
            ACE_OS::exit(-1);
          }

          ACE_DEBUG((LM_DEBUG, "(%P|%t) DataWriter %C has %d of %d readers\n", writer_id_.c_str(), matches.current_count, total_readers_));
          if (matches.current_count >= total_readers_) {
            break;
          }

          DDS::ConditionSeq conditions;
          DDS::Duration_t timeout = { 60, 0 };
          if (ws->wait(conditions, timeout) != DDS::RETCODE_OK) {
            ACE_ERROR((LM_ERROR,
                       ACE_TEXT("ERROR: %N:%l: on_data_available() -")
                       ACE_TEXT(" wait failed!\n")));
            ACE_OS::exit(-1);
          }
        }

        ws->detach_condition(condition);
        std::string from_list = std::string(message.from) + "->" + writer_id_;
        message.from = from_list.c_str();
        DDS::ReturnCode_t error;
        do {
          error = message_writer->write(message, DDS::HANDLE_NIL);

          if ((error != DDS::RETCODE_OK) && (error != DDS::RETCODE_TIMEOUT)) {
            ACE_ERROR((LM_ERROR,
                       ACE_TEXT("ERROR: %N:%l: on_data_available() -")
                       ACE_TEXT(" write returned %d!\n"), error));
          }
        } while (error == DDS::RETCODE_TIMEOUT);
      }
      if (++received_samples_ == expected_samples_) {
        ACE_DEBUG((LM_DEBUG, "(%P|%t) DataReader %C has received expected number of samples\n", id_.c_str()));
        if (!origin_) {
          ACE_DEBUG((LM_DEBUG, "(%P|%t) DataWriter %C is waiting for acknowledgments\n", writer_id_.c_str()));
          DDS::Duration_t timeout = { 30, 0 };
          writer_->wait_for_acknowledgments(timeout);
        }
        done_callback_();
      }
    }

  } else {
    ACE_ERROR((LM_ERROR,
               ACE_TEXT("ERROR: %N:%l: on_data_available() -")
               ACE_TEXT(" take_next_sample failed!\n")));
  }
}

//.........这里部分代码省略.........

      ::DDS::DataReaderQos dr_qos;
      sub->get_default_datareader_qos (dr_qos);
      dr_qos.ownership.kind = ::DDS::EXCLUSIVE_OWNERSHIP_QOS;
      dr_qos.deadline.period.sec = deadline.sec;
      dr_qos.deadline.period.nanosec = deadline.nanosec;
      dr_qos.liveliness.lease_duration.sec = liveliness.sec;
      dr_qos.liveliness.lease_duration.nanosec = liveliness.nanosec;

      DDS::DataReader_var reader1 =
        sub->create_datareader(topic.in(),
                               dr_qos,
                               listener1.in(),
                               OpenDDS::DCPS::DEFAULT_STATUS_MASK);

      if (CORBA::is_nil(reader1.in())) {
        ACE_ERROR_RETURN((LM_ERROR,
                          ACE_TEXT("%N:%l main()")
                          ACE_TEXT(" ERROR: create_datareader() failed!\n")), -1);
      }

      DDS::DataReader_var reader2 =
        sub->create_datareader(topic.in(),
                               dr_qos,
                               listener2.in(),
                               OpenDDS::DCPS::DEFAULT_STATUS_MASK);

      if (CORBA::is_nil(reader2.in())) {
        ACE_ERROR_RETURN((LM_ERROR,
                          ACE_TEXT("%N:%l main()")
                          ACE_TEXT(" ERROR: create_datareader() failed!\n")), -1);
      }

      // Block until Publisher completes
      DDS::StatusCondition_var condition1 = reader1->get_statuscondition();
      DDS::StatusCondition_var condition2 = reader2->get_statuscondition();
      condition1->set_enabled_statuses(DDS::SUBSCRIPTION_MATCHED_STATUS);
      condition2->set_enabled_statuses(DDS::SUBSCRIPTION_MATCHED_STATUS);

      DDS::WaitSet_var ws = new DDS::WaitSet;
      ws->attach_condition(condition1);
      ws->attach_condition(condition2);

      DDS::Duration_t timeout =
        { DDS::DURATION_INFINITE_SEC, DDS::DURATION_INFINITE_NSEC };

      DDS::ConditionSeq conditions;
      DDS::SubscriptionMatchedStatus matches1 = { 0, 0, 0, 0, 0 };
      DDS::SubscriptionMatchedStatus matches2 = { 0, 0, 0, 0, 0 };
      while (true) {
        if (reader1->get_subscription_matched_status(matches1) != DDS::RETCODE_OK) {
          ACE_ERROR_RETURN((LM_ERROR,
                            ACE_TEXT("%N:%l main()")
                            ACE_TEXT(" ERROR: get_subscription_matched_status() failed!\n")), -1);
        }

        if (reader2->get_subscription_matched_status(matches2) != DDS::RETCODE_OK) {
          ACE_ERROR_RETURN((LM_ERROR,
                            ACE_TEXT("%N:%l main()")
                            ACE_TEXT(" ERROR: get_subscription_matched_status() failed!\n")), -1);
        }

        if ((matches1.current_count == 0 && matches1.total_count > 0) ||
            (matches2.current_count == 0 && matches2.total_count > 0)) {
          break;
        }
        DDS::ReturnCode_t wait_status = ws->wait(conditions, timeout);
        if (wait_status != DDS::RETCODE_OK) {
          std::cerr << "ERROR: Subscriber failed during waiting on wait set with return code "
                    << wait_status << std::endl;
        }
      }

      ws->detach_condition(condition1);
      ws->detach_condition(condition2);

      result1 = listener_svt1->verify_result();
      result2 = listener_svt2->verify_result();
    }  // Scope of entities

    // Clean-up!
    participant->delete_contained_entities();
    dpf->delete_participant(participant.in());

    TheServiceParticipant->shutdown();


    if (result1 == false || result2 == false) {
      ACE_ERROR_RETURN((LM_ERROR,
                          ACE_TEXT("%N:%l main()")
                          ACE_TEXT(" ERROR: failed to verify message!\n")), -2);
    }

  } catch (const CORBA::Exception& e) {
    e._tao_print_exception("Exception caught in main():");
    return -1;
  }

  return 0;
}