static void subscribe(int domain_id, int sample_count)
    {
        // --- Create participant --- //

        /* To customize the participant QoS, use
           the configuration file USER_QOS_PROFILES.xml */
        DDS.DomainParticipant participant =
            DDS.DomainParticipantFactory.get_instance().create_participant(
                domain_id,
                DDS.DomainParticipantFactory.PARTICIPANT_QOS_DEFAULT,
                null /* listener */,
                DDS.StatusMask.STATUS_MASK_NONE);
        if (participant == null) {
            shutdown(participant);
            throw new ApplicationException("create_participant error");
        }

        // --- Create subscriber --- //

        /* To customize the subscriber QoS, use
           the configuration file USER_QOS_PROFILES.xml */
        DDS.Subscriber subscriber = participant.create_subscriber(
            DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (subscriber == null) {
            shutdown(participant);
            throw new ApplicationException("create_subscriber error");
        }

        // --- Create topic --- //

        /* Register the type before creating the topic */
        System.String type_name = tbfTypeSupport.get_type_name();
        try {
            tbfTypeSupport.register_type(
                participant, type_name);
        }
        catch(DDS.Exception e) {
            Console.WriteLine("register_type error {0}", e);
            shutdown(participant);
            throw e;
        }

        /* To customize the topic QoS, use
           the configuration file USER_QOS_PROFILES.xml */
        DDS.Topic topic = participant.create_topic(
            "Example tbf",
            type_name,
            DDS.DomainParticipant.TOPIC_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (topic == null) {
            shutdown(participant);
            throw new ApplicationException("create_topic error");
        }

        // --- Create reader --- //

        /* Create a data reader listener */
        tbfListener reader_listener =
            new tbfListener();

        /* To customize the data reader QoS, use
           the configuration file USER_QOS_PROFILES.xml */
        DDS.DataReader reader = subscriber.create_datareader(
            topic,
            DDS.Subscriber.DATAREADER_QOS_DEFAULT,
            reader_listener,
            DDS.StatusMask.STATUS_MASK_ALL);
        if (reader == null) {
            shutdown(participant);
            reader_listener = null;
            throw new ApplicationException("create_datareader error");
        }

        // --- Wait for data --- //
        /* If you want to change the time-based filter programmatically (e.g.,
         * to 2 seconds) rather than using the XML file, you will need to add
         * the following lines to your code and comment out the
         * create_datareader call above. */

        /*
        DDS.DataReaderQos datareader_qos = new DDS.DataReaderQos();
        try
        {
            subscriber.get_default_datareader_qos(datareader_qos);
        }
        catch (DDS.Exception e)
        {
            Console.WriteLine("get_default_datareader_qos error {0}", e);
            shutdown(participant);
            throw e;
        }

        DDS.Duration_t minsep = new DDS.Duration_t();
        minsep.sec = 2; // 2 sec
        datareader_qos.time_based_filter.minimum_separation = minsep;

        try
        {
            subscriber.delete_datareader(ref reader);
        }
        catch (DDS.Exception e)
        {
            Console.WriteLine("delete_datareader (default qos) error {0}", e);
            shutdown(participant);
            throw e;
        }

        reader = subscriber.create_datareader(topic,
            datareader_qos, reader_listener, DDS.StatusMask.STATUS_MASK_ALL);
        if (reader == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_datareader error");
        }
        */

        /* Results table header: (1) source timestamp of the sample received;
         * (2) instance id (instance.code value); and (3) value of x
         * (instance.x).
         */
        Console.WriteLine("================================================");
        Console.WriteLine("Source timestamp\tInstance\tX");
        Console.WriteLine("================================================");

        /* Main loop */
        const System.Int32 receive_period = 4000; // milliseconds
        for (int count=0;
             (sample_count == 0) || (count < sample_count);
             ++count) {
            /* Console.WriteLine(
                "tbf subscriber sleeping for {0} sec...",
                receive_period / 1000);
            */
            System.Threading.Thread.Sleep(receive_period);
        }

        // --- Shutdown --- //

        /* Delete all entities */
        shutdown(participant);
        reader_listener = null;
    }
Example #2
0
    static void subscribe(int domain_id, int sample_count)
    {
        // --- Create participant --- //

        /* To customize the participant QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.DomainParticipant participant =
            DDS.DomainParticipantFactory.get_instance().create_participant(
                domain_id,
                DDS.DomainParticipantFactory.PARTICIPANT_QOS_DEFAULT,
                null /* listener */,
                DDS.StatusMask.STATUS_MASK_NONE);
        if (participant == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_participant error");
        }

        // --- Create subscriber --- //

        /* To customize the subscriber QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.Subscriber subscriber = participant.create_subscriber(
            DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (subscriber == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_subscriber error");
        }

        // --- Create topic --- //

        /* Register the type before creating the topic */
        System.String type_name = tbfTypeSupport.get_type_name();
        try {
            tbfTypeSupport.register_type(
                participant, type_name);
        }
        catch (DDS.Exception e) {
            Console.WriteLine("register_type error {0}", e);
            shutdown(participant);
            throw e;
        }

        /* To customize the topic QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.Topic topic = participant.create_topic(
            "Example tbf",
            type_name,
            DDS.DomainParticipant.TOPIC_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (topic == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_topic error");
        }

        // --- Create reader --- //

        /* Create a data reader listener */
        tbfListener reader_listener =
            new tbfListener();

        /* To customize the data reader QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.DataReader reader = subscriber.create_datareader(
            topic,
            DDS.Subscriber.DATAREADER_QOS_DEFAULT,
            reader_listener,
            DDS.StatusMask.STATUS_MASK_ALL);
        if (reader == null)
        {
            shutdown(participant);
            reader_listener = null;
            throw new ApplicationException("create_datareader error");
        }

        // --- Wait for data --- //

        /* If you want to change the time-based filter programmatically (e.g.,
         * to 2 seconds) rather than using the XML file, you will need to add
         * the following lines to your code and comment out the
         * create_datareader call above. */

        /*
         * DDS.DataReaderQos datareader_qos = new DDS.DataReaderQos();
         * try
         * {
         *  subscriber.get_default_datareader_qos(datareader_qos);
         * }
         * catch (DDS.Exception e)
         * {
         *  Console.WriteLine("get_default_datareader_qos error {0}", e);
         *  shutdown(participant);
         *  throw e;
         * }
         *
         * DDS.Duration_t minsep = new DDS.Duration_t();
         * minsep.sec = 2; // 2 sec
         * datareader_qos.time_based_filter.minimum_separation = minsep;
         *
         * try
         * {
         *  subscriber.delete_datareader(ref reader);
         * }
         * catch (DDS.Exception e)
         * {
         *  Console.WriteLine("delete_datareader (default qos) error {0}", e);
         *  shutdown(participant);
         *  throw e;
         * }
         *
         * reader = subscriber.create_datareader(topic,
         *  datareader_qos, reader_listener, DDS.StatusMask.STATUS_MASK_ALL);
         * if (reader == null)
         * {
         *  shutdown(participant);
         *  throw new ApplicationException("create_datareader error");
         * }
         */

        /* Results table header: (1) source timestamp of the sample received;
         * (2) instance id (instance.code value); and (3) value of x
         * (instance.x).
         */
        Console.WriteLine("================================================");
        Console.WriteLine("Source timestamp\tInstance\tX");
        Console.WriteLine("================================================");

        /* Main loop */
        const System.Int32 receive_period = 4000; // milliseconds

        for (int count = 0;
             (sample_count == 0) || (count < sample_count);
             ++count)
        {
            /* Console.WriteLine(
             *  "tbf subscriber sleeping for {0} sec...",
             *  receive_period / 1000);
             */
            System.Threading.Thread.Sleep(receive_period);
        }

        // --- Shutdown --- //

        /* Delete all entities */
        shutdown(participant);
        reader_listener = null;
    }