C++ DataWriter_var::get_publication_matched_status方法代码示例

 void
 connector_status_exec_i::on_unexpected_status (::DDS::Entity_ptr the_entity,
 ::DDS::StatusKind status_kind)
 {
   if (!CORBA::is_nil (the_entity) &&
       status_kind == DDS::PUBLICATION_MATCHED_STATUS)
     {
       ::DDS::PublicationMatchedStatus_var stat;
       DDS::DataWriter_var wr = ::DDS::DataWriter::_narrow (the_entity);
       if(::CORBA::is_nil (wr.in ()))
         {
           throw ::CORBA::INTERNAL ();
         }
       ::DDS::ReturnCode_t retval =
                         wr->get_publication_matched_status (stat.out ());
       if (retval == ::DDS::RETCODE_OK)
         {
           if (stat.in ().current_count >= this->number_of_subscribers_ &&
               !this->started_.value ())
             {
               ACE_DEBUG ((LM_DEBUG, "ConnectorStatusListener_exec_i::on_unexpected_status - "
                         "on_publication_matched status received. Starting application\n"));
               this->started_ = true;
               this->callback_.start ();
             }
         }
     }
 }

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;
}

void
Publisher::run()
{
  DDS::Duration_t   timeout = { DDS::DURATION_INFINITE_SEC, DDS::DURATION_INFINITE_NSEC};
  DDS::ConditionSeq conditions;
  DDS::PublicationMatchedStatus matches = { 0, 0, 0, 0, 0};
  const int readers_per_publication = 2;
  unsigned int cummulative_count = 0;
  do {
    if( this->options_.verbose()) {
      ACE_DEBUG((LM_DEBUG,
        ACE_TEXT("(%P|%t) Publisher::run() - ")
        ACE_TEXT("%d of %d subscriptions attached, waiting for more.\n"),
        cummulative_count,
        this->publications_.size()*readers_per_publication
      ));
    }
    if( DDS::RETCODE_OK != this->waiter_->wait( conditions, timeout)) {
      ACE_ERROR((LM_ERROR,
        ACE_TEXT("(%P|%t) ERROR: Publisher::run() - ")
        ACE_TEXT("failed to synchronize at start of test.\n")
      ));
      throw BadSyncException();
    }
    for( unsigned long index = 0; index < conditions.length(); ++index) {
      DDS::StatusCondition_var condition
        = DDS::StatusCondition::_narrow( conditions[ index].in());

      DDS::Entity_var writer_entity = condition->get_entity();
      DDS::DataWriter_var writer = DDS::DataWriter::_narrow( writer_entity);
      if( !CORBA::is_nil( writer.in())) {
        DDS::StatusMask changes = writer->get_status_changes();
        if( changes & DDS::PUBLICATION_MATCHED_STATUS) {
          if (writer->get_publication_matched_status(matches) != ::DDS::RETCODE_OK)
          {
            ACE_ERROR ((LM_ERROR,
              "ERROR: failed to get publication matched status\n"));
            ACE_OS::exit (1);
          }
          cummulative_count += matches.current_count_change;
        }
      }
    }

  // We know that there are 2 subscriptions matched with each publication.
  } while( cummulative_count < (readers_per_publication*this->publications_.size()));

  // Kluge to bias the race between BuiltinTopic samples and application
  // samples towards the BuiltinTopics during association establishment.
  // ACE_OS::sleep( 2);

  if( this->options_.verbose()) {
    ACE_DEBUG((LM_DEBUG,
      ACE_TEXT("(%P|%t) Publisher::run() - ")
      ACE_TEXT("starting to publish samples with %d matched subscriptions.\n"),
      cummulative_count
    ));
  }

  for( unsigned int index = 0; index < this->publications_.size(); ++index) {
    this->publications_[ index]->start();
  }

  // Allow some traffic to occur before making any wait() calls.
  ACE_OS::sleep( 2);

  ::DDS::Duration_t delay = { 5, 0 }; // Wait for up to 5 seconds.
  if (this->options_.publisher())
  {
    DDS::ReturnCode_t error =
      this->publisher_->wait_for_acknowledgments(delay);
    if (error != DDS::RETCODE_OK)
    {
      ACE_DEBUG((LM_DEBUG,
        ACE_TEXT("(%P|%t) ERROR: Publisher::run() - ")
        ACE_TEXT("publisher wait failed with code: %d.\n"),
        error));
      ++this->status_;
    }
  }
  else
  {
    for( unsigned int index = 0; index < this->publications_.size(); ++index) {
      // First wait on this writer.
      ::DDS::ReturnCode_t result
        = this->publications_[ index]->wait_for_acks( delay);
      if( result != ::DDS::RETCODE_OK) {
        ACE_DEBUG((LM_DEBUG,
          ACE_TEXT("(%P|%t) ERROR: Publisher::run() - ")
          ACE_TEXT("publication %d wait failed with code: %d.\n"),
          index,
          result
        ));
        ++this->status_;
      }
    }
  }

  // Signal the writers to terminate.
  for( unsigned int index = 0; index < this->publications_.size(); ++index) {
//.........这里部分代码省略.........

int ACE_TMAIN(int argc, ACE_TCHAR** argv)
{
  try {
    OpenDDS::Model::Application application(argc, argv);
    UDP::DefaultUDPType model(application, argc, argv);

    using OpenDDS::Model::UDP::Elements;

    DDS::DataWriter_var writer = model.writer( Elements::DataWriters::writer);

    // START OF EXISTING MESSENGER EXAMPLE CODE

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

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

    } while (matches.current_count < 1);

    ws->detach_condition(condition);

    // Write samples
    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);
      ++message.count;

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

    // Cannot wait for samples to be acknowledged - not supported in UDP
    std::cout << "publisher sleeping...." << std::endl;
    ACE_OS::sleep(2);
    std::cout << "publisher done sleeping" << std::endl;

    // END OF EXISTING MESSENGER EXAMPLE CODE
  } catch (const CORBA::Exception& e) {
    e._tao_print_exception("Exception caught in main():");
    return -1;

  } catch( const std::exception& ex) {
    ACE_ERROR_RETURN((LM_ERROR,
                      ACE_TEXT("(%P|%t) ERROR: %N:%l: main() -")
                      ACE_TEXT(" Exception caught: %C\n"),
                      ex.what()),
                     -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.........

        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;
}

  int svc()
  {
    int thread_id = thread_counter_++;

    // Create Publisher
    DDS::Publisher_var publisher =
      participant_->create_publisher(PUBLISHER_QOS_DEFAULT,
                                     0,
                                     OpenDDS::DCPS::DEFAULT_STATUS_MASK);

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

    writers_[thread_id].resize(6);

    ACE_DEBUG((LM_DEBUG, "(%P|%t) Starting DataWriter %C\n", writers_[thread_id].c_str()));

    DDS::DataWriterQos qos;
    publisher->get_default_datawriter_qos(qos);
    qos.user_data.value.length(3);
    qos.user_data.value[0] = fromhex(writers_[thread_id], 0);
    qos.user_data.value[1] = fromhex(writers_[thread_id], 1);
    qos.user_data.value[2] = fromhex(writers_[thread_id], 2);

    if (reliable_) {
      qos.reliability.kind = DDS::RELIABLE_RELIABILITY_QOS;
      qos.reliability.max_blocking_time.sec = DDS::DURATION_INFINITE_SEC;
      // qos.resource_limits.max_instances = 10;
      // qos.history.depth = 10;
    } else {
      qos.reliability.kind = DDS::BEST_EFFORT_RELIABILITY_QOS;
    }

    // Create DataWriter
    DDS::DataWriter_var writer =
      publisher->create_datawriter(topic_,
                                   qos,
                                   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);
    }

    TestMsgDataWriter_var message_writer =
      TestMsgDataWriter::_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);
      }

      ACE_DEBUG((LM_DEBUG, "(%P|%t) DataWriter %C has %d of %d readers\n", writers_[thread_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_RETURN((LM_ERROR,
                          ACE_TEXT("ERROR: %N:%l: main() -")
                          ACE_TEXT(" wait failed!\n")),
                         -1);
      }
    }

    ws->detach_condition(condition);

    // Write samples
    TestMsg message;
    message.value = 0;
    for (int i = 0; i < MSGS_PER_WRITER; ++i) {
      DDS::ReturnCode_t error = message_writer->write(message, DDS::HANDLE_NIL);
      ++message.value;
//.........这里部分代码省略.........

//.........这里部分代码省略.........
          ++attempts;
        }

        if (attempts == max_attempts)
        {
          ACE_DEBUG((LM_DEBUG, "ERROR: subscriptions failed to match.\n"));
          exit (1);
        }

        writer->start ();
        writer->end ();

        ACE_DEBUG((LM_DEBUG, "Writer changing deadline to incompatible value\n"));

        // Now set DataWriter deadline to be 6 seconds which is not
        // compatible with the existing DataReader. This QoS change
        // should be applied and the association broken.
        dw_qos.deadline.period.sec = 6;

        if (dw->set_qos (dw_qos) != ::DDS::RETCODE_OK) {
          ACE_DEBUG((LM_DEBUG,
            "ERROR: DataWriter could not change deadline period which "
             "should break DataReader associations\n"));
          exit (1);
        } else {

          DDS::WaitSet_var ws = new DDS::WaitSet;
          DDS::StatusCondition_var sc = dw->get_statuscondition();
          sc->set_enabled_statuses(DDS::PUBLICATION_MATCHED_STATUS);
          ws->attach_condition(sc);
          DDS::PublicationMatchedStatus matched;
          DDS::ConditionSeq active;
          const DDS::Duration_t timeout = {5, 0}; // seconds
          while (dw->get_publication_matched_status(matched) == DDS::RETCODE_OK
                 && matched.current_count) {
            if (ws->wait(active, timeout) == DDS::RETCODE_TIMEOUT) {
              break;
            }
          }
          ws->detach_condition(sc);
          if (matched.current_count != 0) {
            ACE_DEBUG((LM_DEBUG,
              "ERROR: DataWriter changed deadline period which should "
              "break association with all existing DataReaders, but did not\n"));
            exit(1);
          }
        }

        // We know the reader has been disassociated, but the reader itself may
        // not have been notified yet.  Introducing delay here to let the reader
        // sync up with the disassociated state before re-associating.

        // Wait for reader to finish unmatching.
        FILE* fp = ACE_OS::fopen (synch_fname, ACE_TEXT("r"));
        int i = 0;
        while (fp == 0 &&  i < 15)
        {
          ACE_DEBUG ((LM_DEBUG,
            ACE_TEXT("(%P|%t) waiting reader to unmatch...\n")));
          ACE_OS::sleep (1);
          ++i;
          fp = ACE_OS::fopen (synch_fname, ACE_TEXT("r"));
        }
        if (fp != 0)
          ACE_OS::fclose (fp);

void
Publisher::run()
{
  DDS::Duration_t   timeout = { DDS::DURATION_INFINITE_SEC, DDS::DURATION_INFINITE_NSEC};
  DDS::ConditionSeq conditions;
  DDS::PublicationMatchedStatus matches = { 0, 0, 0, 0, 0};
  unsigned int cummulative_count = 0;
  do {
    if( this->options_.verbose()) {
      ACE_DEBUG((LM_DEBUG,
        ACE_TEXT("(%P|%t) Publisher::run() - ")
        ACE_TEXT("%d of %d subscriptions attached, waiting for more.\n"),
        cummulative_count,
        this->publications_.size()
      ));
    }
    if( DDS::RETCODE_OK != this->waiter_->wait( conditions, timeout)) {
      ACE_ERROR((LM_ERROR,
        ACE_TEXT("(%P|%t) ERROR: Publisher::run() - ")
        ACE_TEXT("failed to synchronize at start of test.\n")
      ));
      throw BadSyncException();
    }
    for( unsigned long index = 0; index < conditions.length(); ++index) {
      DDS::StatusCondition_var condition
        = DDS::StatusCondition::_narrow( conditions[ index].in());

      DDS::DataWriter_var writer = DDS::DataWriter::_narrow( condition->get_entity());
      if( !CORBA::is_nil( writer.in())) {
        DDS::StatusMask changes = writer->get_status_changes();
        if( changes & DDS::PUBLICATION_MATCHED_STATUS) {
          if (writer->get_publication_matched_status(matches) != ::DDS::RETCODE_OK)
          {
            ACE_ERROR ((LM_ERROR,
              "ERROR: failed to get publication matched status\n"));
            ACE_OS::exit (1);
          }
          cummulative_count += matches.current_count_change;
        }
      }
    }

  } while( cummulative_count < this->publications_.size());

  // Kluge to bias the race between BuiltinTopic samples and application
  // samples towards the BuiltinTopics during association establishment.
  ACE_OS::sleep( 2);

  if( this->options_.verbose()) {
    ACE_DEBUG((LM_DEBUG,
      ACE_TEXT("(%P|%t) Publisher::run() - ")
      ACE_TEXT("starting to publish samples with %d matched subscriptions.\n"),
      cummulative_count
    ));
  }

  for( PublicationMap::const_iterator current = this->publications_.begin();
       current != this->publications_.end();
       ++current
     ) {
    current->second->start();
  }

  // Execute test for specified duration, or block until terminated externally.
  if( this->options_.duration() > 0) {
    ACE_Time_Value duration( this->options_.duration(), 0);
    ACE_OS::sleep( duration);

  } else {
    // Block the main thread, leaving the others working.
    ACE_Thread_Manager::instance()->wait();
  }

  // Signal the writers to terminate.
  for( PublicationMap::const_iterator current = this->publications_.begin();
       current != this->publications_.end();
       ++current
     ) {
    current->second->stop();
  }

  // Separate loop so the termination messages can be handled concurrently.
  for( PublicationMap::const_iterator current = this->publications_.begin();
       current != this->publications_.end();
       ++current
     ) {
    // Join and clean up.
    current->second->wait();
    ACE_DEBUG((LM_DEBUG,
      ACE_TEXT("(%P|%t) Publisher::run() - ")
      ACE_TEXT("publication %C stopping after sending %d messages.\n"),
      current->first.c_str(),
      current->second->messages()
    ));
    delete current->second;
  }
  this->publications_.clear();

  if( this->options_.verbose()) {
    ACE_DEBUG((LM_DEBUG,
//.........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;
}

void
Publisher::run()
{
  DDS::Duration_t   timeout = { DDS::DURATION_INFINITE_SEC, DDS::DURATION_INFINITE_NSEC};
  DDS::ConditionSeq conditions;
  DDS::PublicationMatchedStatus matches = { 0, 0, 0, 0, 0};
  unsigned int cummulative_count = 0;
  do {
    if( this->options_.verbose()) {
      ACE_DEBUG((LM_DEBUG,
        ACE_TEXT("(%P|%t) Publisher::run() - ")
        ACE_TEXT("%d of 2 subscriptions attached, waiting for more.\n"),
        cummulative_count
      ));
    }
    if( DDS::RETCODE_OK != this->waiter_->wait( conditions, timeout)) {
      ACE_ERROR((LM_ERROR,
        ACE_TEXT("(%P|%t) ERROR: Publisher::run() - ")
        ACE_TEXT("failed to synchronize at start of test.\n")
      ));
      throw BadSyncException();
    }
    for( unsigned long index = 0; index < conditions.length(); ++index) {
      DDS::StatusCondition_var condition
        = DDS::StatusCondition::_narrow( conditions[ index].in());

      DDS::Entity_var writer_entity = condition->get_entity();
      DDS::DataWriter_var writer = DDS::DataWriter::_narrow( writer_entity);
      if( !CORBA::is_nil( writer.in())) {
        DDS::StatusMask changes = writer->get_status_changes();
        if( changes & DDS::PUBLICATION_MATCHED_STATUS) {
          if (writer->get_publication_matched_status(matches) != ::DDS::RETCODE_OK)
          {
            ACE_ERROR ((LM_ERROR,
              "ERROR: failed to get publication matched status\n"));
            ACE_OS::exit (1);
          }
          cummulative_count += matches.current_count_change;
        }
      }
    }

  } while( cummulative_count < 2);

  /// Kluge to ensure that the remote/subscriber side endpoints have
  /// been fully associated before starting to send.  This appears to be
  /// a race between the association creation and use and the BuiltIn
  /// Topic data becoming available.  There is no existing mechanism (nor
  /// should there be) to prevent an association from exchanging data
  /// prior to the remote endpoint information becoming available via the
  /// BuiltIn Topic publications.
  ACE_OS::sleep( 2);

  ACE_DEBUG((LM_DEBUG,
    ACE_TEXT("(%P|%t) Publisher::run() - ")
    ACE_TEXT("starting to publish samples.\n")
  ));

  Test::DataDataWriter_var writer0
    = Test::DataDataWriter::_narrow( this->writer_[0].in());
  Test::DataDataWriter_var writer1
    = Test::DataDataWriter::_narrow( this->writer_[1].in());
  Test::Data sample0;
  Test::Data sample1;
  sample0.key = 1;
  sample0.value = 0;
  // before_value is just for the high priority sample, low priority samples are in order
  sample0.before_value = 0;
  sample0.priority = false;
  // add some extra baggage to ensure
  sample0.baggage.length(9999);

  if (options_.multipleInstances())
    sample1.key = 2;
  else
    sample1.key = 1;
  sample1.value = 0;
  // will determine later which value this sample should be seen before
  sample1.before_value = 0;
  sample1.priority = true;
  bool sent = false;
  for (unsigned long num_samples = 1; num_samples < (unsigned long)-1 && !sent; ++num_samples) {
    ++sample0.value;
    if (writer0->write( sample0, DDS::HANDLE_NIL) == DDS::RETCODE_TIMEOUT) {
      // indicate the high priority sample should arrive before the indicated low priority sample
      sample1.before_value = sample0.value - 1;
      while (writer1->write( sample1, DDS::HANDLE_NIL) == DDS::RETCODE_TIMEOUT) {
        ACE_ERROR((LM_ERROR,
          ACE_TEXT("(%P|%t) ERROR: Publisher::run() - ")
          ACE_TEXT("should not have backpressure for the second writer.\n")
        ));
      }
      sent = true;
    }
  }

  ACE_DEBUG((LM_DEBUG,
    ACE_TEXT("(%P|%t) Publisher::run() - ")
    ACE_TEXT("finished publishing %d samples.\n"),
    sample0.value
//.........这里部分代码省略.........

//.........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;
}