示例#1
0
 public override void on_publication_matched(
     DDS.DataWriter writer,
     ref DDS.PublicationMatchedStatus status)
 {
     Console.WriteLine("DataWriterListener: on_publication_matched()");
     if (status.current_count_change < 0)
     {
         Console.WriteLine("lost a subscription");
     }
     else
     {
         Console.WriteLine("found a subscription");
     }
 }
示例#2
0
        public static DDS.TypedDataWriter <T> CreateDataWriter <T>(string topicName,
                                                                   string typeName)
        {
            DDS.DomainParticipant participant = Instance;

            DDS.Publisher publisher = participant.create_publisher(
                DDS.DomainParticipant.PUBLISHER_QOS_DEFAULT,
                null /* listener */,
                DDS.StatusMask.STATUS_MASK_NONE);

            if (publisher == null)
            {
                throw new ApplicationException("create_publisher error");
            }

            DDS.Topic topic = participant.create_topic(
                topicName,
                typeName,
                DDS.DomainParticipant.TOPIC_QOS_DEFAULT,
                null /* listener */,
                DDS.StatusMask.STATUS_MASK_NONE);

            if (topic == null)
            {
                throw new ApplicationException("create_topic error");
            }

            /* DDS.DataWriterQos dw_qos = new DDS.DataWriterQos();
             * participant.get_default_datawriter_qos(dw_qos);
             * dw_qos.reliability.kind = DDS.ReliabilityQosPolicyKind.RELIABLE_RELIABILITY_QOS;
             * dw_qos.history.kind = DDS.HistoryQosPolicyKind.KEEP_ALL_HISTORY_QOS;*/
            DDS.DataWriterQos dw_qos = new DDS.DataWriterQos();
            participant.get_default_datawriter_qos(dw_qos);
            //Console.WriteLine("LIB CODE DW QOS: " + dw_qos.history.kind);
            //Console.WriteLine("LIB CODE DW QOS: " + dw_qos.reliability.kind);

            DDS.DataWriter writer = publisher.create_datawriter(
                topic,
                DDS.Publisher.DATAWRITER_QOS_DEFAULT,
                null /* listener */,
                DDS.StatusMask.STATUS_MASK_NONE);
            if (writer == null)
            {
                throw new ApplicationException("create_datawriter error");
            }

            return((DDS.TypedDataWriter <T>)writer);
        }
        public override void on_offered_deadline_missed(
            DDS.DataWriter writer,
            ref DDS.OfferedDeadlineMissedStatus status)
        {
            deadline_contentfilter dummy = new deadline_contentfilter();

            try
            { // get key of passed in writer
                ((deadline_contentfilterDataWriter)writer).get_key_value(
                    dummy, ref status.last_instance_handle);
            }
            catch (DDS.Exception e)
            {
                Console.WriteLine("get_key_value error {0}\n", e);
                return;
            }

            Console.WriteLine("Offered deadline missed on instance code {0}",
                              dummy.code);
        }
        static bool wait_for_readers(DDS.DataWriter writer, int howmany_dr)
        {
            SensorDataDataWriter sensor_data_writer = (SensorDataDataWriter)writer;

            DDS.InstanceHandleSeq sub_handle_seq = new DDS.InstanceHandleSeq();
            int interval_milisec = 100;

            Console.WriteLine("waiting for discovery");

            for (var i = 0; i <= 200; i++)
            {
                sensor_data_writer.get_matched_subscriptions(sub_handle_seq);

                if (sub_handle_seq.length >= howmany_dr)
                {
                    return(true);
                }

                System.Threading.Thread.Sleep(interval_milisec);
            }
            Console.WriteLine("Discovery not complete");
            return(false);
        }
示例#5
0
    static void publish(int domain_id, int sample_count)
    {
        // --- Create participant --- //

        /* To customize 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 publisher --- //

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

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

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

        /* To customize topic QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.Topic topic = participant.create_topic(
            "Example cft",
            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 writer --- //

        /* To customize data writer QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.DataWriter writer = publisher.create_datawriter(
            topic,
            DDS.Publisher.DATAWRITER_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (writer == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_datawriter error");
        }

        /* If you want to set the reliability and history QoS settings
         * programmatically rather than using the XML, you will need to add
         * the following lines to your code and comment out the
         * create_datawriter call above.
         */
        /*
         * DDS.DataWriterQos datawriter_qos = new DDS.DataWriterQos();
         * try {
         *  publisher.get_default_datawriter_qos(datawriter_qos);
         * } catch (DDS.Exception e) {
         *  Console.WriteLine("get_default_datawriter_qos error {0}", e);
         *  shutdown(participant);
         *  throw e;
         * }
         *
         * datawriter_qos.reliability.kind =
         *  DDS.ReliabilityQosPolicyKind.RELIABLE_RELIABILITY_QOS;
         * datawriter_qos.durability.kind =
         *  DDS.DurabilityQosPolicyKind.TRANSIENT_LOCAL_DURABILITY_QOS;
         * datawriter_qos.history.kind =
         *  DDS.HistoryQosPolicyKind.KEEP_LAST_HISTORY_QOS;
         * datawriter_qos.history.depth = 20;
         *
         * DDS.DataWriter writer = publisher.create_datawriter(
         *  topic, datawriter_qos, null,
         *  DDS.StatusMask.STATUS_MASK_NONE);
         * if (writer == null) {
         *  shutdown(participant);
         *  throw new ApplicationException("create_datawriter error");
         * }
         */

        cftDataWriter cft_writer = (cftDataWriter)writer;

        // --- Write --- //

        /* Create data sample for writing */
        cft instance = cftTypeSupport.create_data();

        if (instance == null)
        {
            shutdown(participant);
            throw new ApplicationException(
                      "cftTypeSupport.create_data error");
        }

        /* For a data type that has a key, if the same instance is going to be
         * written multiple times, initialize the key here
         * and register the keyed instance prior to writing */
        DDS.InstanceHandle_t instance_handle = DDS.InstanceHandle_t.HANDLE_NIL;

        /*
         * instance_handle = cft_writer.register_instance(instance);
         */

        /* Main loop */
        const System.Int32 send_period = 1000; // milliseconds

        for (int count = 0;
             (sample_count == 0) || (count < sample_count);
             ++count)
        {
            /* Modify the data to be sent here */

            /* Our purpose is to increment x every time we send a sample and to
             * reset the x counter to 0 every time we send 10 samples
             * (x=0,1,..,9). Using the value of count, we can get set x to the
             * appropriate value applying % 10 operation to it.
             */
            instance.count = count;
            instance.x     = count % 10;

            Console.WriteLine("Writing cft, count {0}\tx={1}",
                              instance.count, instance.x);

            try {
                cft_writer.write(instance, ref instance_handle);
            }
            catch (DDS.Exception e) {
                Console.WriteLine("write error {0}", e);
            }

            System.Threading.Thread.Sleep(send_period);
        }

        /*
         * try {
         *  cft_writer.unregister_instance(
         *      instance, ref instance_handle);
         * } catch(DDS.Exception e) {
         *  Console.WriteLine("unregister instance error: {0}", e);
         * }
         */

        // --- Shutdown --- //

        /* Delete data sample */
        try {
            cftTypeSupport.delete_data(instance);
        } catch (DDS.Exception e) {
            Console.WriteLine(
                "cftTypeSupport.delete_data error: {0}", e);
        }

        /* Delete all entities */
        shutdown(participant);
    }
示例#6
0
    static void publish(int domain_id, int sample_count)
    {
        // --- Create participant --- //

        /* To customize 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");
        }

        /* Start changes for custom_flowcontroller */

        /* If you want to change the Participant's QoS programmatically rather
         * than using the XML file, you will need to add the following lines to
         * your code and comment out the create_participant call above.
         */
        /* Get default participant QoS to customize */

/*        DDS.DomainParticipantQos participant_qos =
 *              new DDS.DomainParticipantQos();
 *
 *      try {
 *          DDS.DomainParticipantFactory.get_instance().
 *              get_default_participant_qos(participant_qos);
 *      } catch (DDS.Exception e) {
 *          Console.WriteLine("get_default_participant_qos error {0}", e);
 *          throw e;
 *      }
 *
 *      // By default, data will be sent via shared memory _and_ UDPv4.  Because
 *      // the flowcontroller limits writes across all interfaces, this halves
 *      // the effective send rate.  To avoid this, we enable only the UDPv4
 *      // transport
 *
 *      participant_qos.transport_builtin.mask =
 *              (int) DDS.TransportBuiltinKind.TRANSPORTBUILTIN_UDPv4;
 *
 *      // To create participant with default QoS,
 *      // use DDS_PARTICIPANT_QOS_DEFAULT instead of participant_qos
 *      DDS.DomainParticipant participant =
 *          DDS.DomainParticipantFactory.get_instance().create_participant(
 *              domain_id,
 *              participant_qos,
 *              null,
 *              DDS.StatusMask.STATUS_MASK_NONE);
 *      if (participant == null) {
 *          shutdown(participant);
 *          throw new ApplicationException("create_participant error");
 *      }
 */
        /* End changes for custom_flow_controller */

        // --- Create publisher --- //

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

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

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

        /* To customize topic QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.Topic topic = participant.create_topic(
            "Example cfc",
            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 writer --- //

        /* To customize data writer QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.DataWriter writer = publisher.create_datawriter(
            topic,
            DDS.Publisher.DATAWRITER_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (writer == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_datawriter error");
        }

        /* Start changes for custom_flowcontroller */

        /* If you want to change the Datawriter's QoS programmatically rather
         * than using the XML file, you will need to add the following lines to
         * your code and comment out the create_datawriter call above.
         *
         * In this case we create the flowcontroller and the neccesary QoS
         * for the datawriter.
         */
/*
 *      DDS.FlowControllerProperty_t custom_fcp =
 *          new DDS.FlowControllerProperty_t();
 *      try {
 *          participant.get_default_flowcontroller_property(custom_fcp);
 *      } catch (DDS.Exception e) {
 *          Console.WriteLine("get_default_flowcontroller_property error {0}",
 *                  e);
 *          shutdown(participant);
 *          throw e;
 *      }
 *
 *      // Don't allow too many tokens to accumulate
 *      custom_fcp.token_bucket.max_tokens =
 *          custom_fcp.token_bucket.tokens_added_per_period = 2;
 *
 *      custom_fcp.token_bucket.tokens_leaked_per_period =
 *          DDS.ResourceLimitsQosPolicy.LENGTH_UNLIMITED;
 *
 *      //100 ms
 *      custom_fcp.token_bucket.period.sec = 0;
 *      custom_fcp.token_bucket.period.nanosec = 100000000;
 *
 *      // The sample size is 1000, but the minimum bytes_per_token is 1024.
 *      // Furthermore, we want to allow some overhead.
 *      custom_fcp.token_bucket.bytes_per_token = 1024;
 *
 *      // So, in summary, each token can be used to send about one message,
 *      // and we get 2 tokens every 100ms, so this limits transmissions to
 *      // about 20 messages per second.
 *
 *      // Create flowcontroller and set properties
 *      String cfc_name = "custom_flowcontroller";
 *      DDS.FlowController cfc = participant.create_flowcontroller(
 *          cfc_name, custom_fcp);
 *      if (cfc == null) {
 *          shutdown(participant);
 *          throw new ApplicationException("create_flowcontroller error");
 *      }
 *
 *      //Get default datawriter QoS to customize
 *      DDS.DataWriterQos datawriter_qos = new DDS.DataWriterQos();
 *
 *      try {
 *          publisher.get_default_datawriter_qos(datawriter_qos);
 *      } catch (DDS.Exception e) {
 *          Console.WriteLine("get_default_datawriter_qos error {0}", e);
 *          shutdown(participant);
 *          throw e;
 *      }
 *
 *      // As an alternative to increasing h istory depth, we can just
 *      // set the qos to keep all samples
 *      datawriter_qos.history.kind =
 *              DDS.HistoryQosPolicyKind.KEEP_ALL_HISTORY_QOS;
 *
 *      // Set flowcontroller for datawriter
 *      datawriter_qos.publish_mode.kind =
 *          DDS.PublishModeQosPolicyKind.ASYNCHRONOUS_PUBLISH_MODE_QOS;
 *      datawriter_qos.publish_mode.flow_controller_name = cfc_name;
 *
 *      // To create a datawriter with default QoS, use
 *      // DDS.Publisher.DATAWRITER_QOS_DEFAULT instead of datawriter_qos
 *      DDS.DataWriter writer = publisher.create_datawriter(
 *         topic,
 *         datawriter_qos,
 *         null,
 *         DDS.StatusMask.STATUS_MASK_NONE);
 *      if (writer == null) {
 *          shutdown(participant);
 *          throw new ApplicationException("create_datawriter error");
 *      }
 *
 */
        // End changes for custom_flowcontroller

        cfcDataWriter cfc_writer =
            (cfcDataWriter)writer;

        // --- Write --- //

        /* Create data sample for writing */
        cfc instance = cfcTypeSupport.create_data();

        if (instance == null)
        {
            shutdown(participant);
            throw new ApplicationException(
                      "cfcTypeSupport.create_data error");
        }

        /* For a data type that has a key, if the same instance is going to be
         * written multiple times, initialize the key here
         * and register the keyed instance prior to writing */
        DDS.InstanceHandle_t instance_handle = DDS.InstanceHandle_t.HANDLE_NIL;

        /*
         * instance_handle = cfc_writer.register_instance(instance);
         */
        char[] str = new char[1000];
        for (int i = 0; i < 1000; ++i)
        {
            str[i] = 'a';
        }
        String data = new String(str);

        /* Main loop */
        System.Int32 send_period = 1000; // milliseconds
        for (int count = 0;
             (sample_count == 0) || (count < sample_count); ++count)
        {
            // Changes for custom_flowcontroller
            // Simulate bursty writer
            System.Threading.Thread.Sleep(send_period);
            for (int i = 0; i < 10; ++i)
            {
                int sample = count * 10 + i;
                Console.WriteLine("Writing cfc, sample {0}", sample);
                instance.x   = sample;
                instance.str = data;
                try {
                    cfc_writer.write(instance, ref instance_handle);
                } catch (DDS.Exception e) {
                    Console.WriteLine("write error {0}", e);
                }
            }
        }
        //Console.WriteLine("{0}", instance.str);
        send_period = 4000;
        System.Threading.Thread.Sleep(send_period);

        /*
         * try {
         *  cfc_writer.unregister_instance(
         *      instance, ref instance_handle);
         * } catch(DDS.Exception e) {
         *  Console.WriteLine("unregister instance error: {0}", e);
         * }
         */

        // --- Shutdown --- //

        /* Delete data sample */
        try {
            cfcTypeSupport.delete_data(instance);
        } catch (DDS.Exception e) {
            Console.WriteLine(
                "cfcTypeSupport.delete_data error: {0}", e);
        }

        /* Delete all entities */
        shutdown(participant);
    }
示例#7
0
    static void publish(int domain_id, int sample_count)
    {
        // --- Create participant --- //

        /* To customize 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 publisher --- //

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

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

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

        /* To customize topic QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.Topic topic = participant.create_topic(
            "Example sequences",
            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 writer --- //

        /* To customize data writer QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.DataWriter writer = publisher.create_datawriter(
            topic,
            DDS.Publisher.DATAWRITER_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (writer == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_datawriter error");
        }
        sequencesDataWriter sequences_writer =
            (sequencesDataWriter)writer;

        /* Here we define two instances: owner_instance and borrower_instance.*/

        /* owner_instance.data uses its own memory, as by default, a sequence
         * you create owns its memory unless you explicitly loan memory of your
         * own to it.
         */

        sequences owner_instance    = sequencesTypeSupport.create_data();
        sequences borrower_instance = sequencesTypeSupport.create_data();

        DDS.InstanceHandle_t owner_instance_handle =
            DDS.InstanceHandle_t.HANDLE_NIL;
        DDS.InstanceHandle_t borrower_instance_handle =
            DDS.InstanceHandle_t.HANDLE_NIL;

        /* If we want borrower_instance.data to loan a buffer of shorts,
         * first we have to allocate the buffer. Here we allocate a buffer
         * of MAX_SEQUENCE_LEN. */

        short[] short_buffer = new short[MAX_SEQUENCE_LEN.VALUE];

        /* Before calling loan(), we need to set sequence maximum to 0,
         * i.e., the sequence won't have memory allocated to it. */
        borrower_instance.data.maximum = 0;

        /* Now that the sequence doesn't have memory allocated to it, we can
         * call loan() to loan shortBuffer to borrowerInstance.
         * We set the allocated number of elements to MAX_SEQUENCE_LEN, the
         * size of the buffer and the maximum size of the sequence as we
         * declared in the IDL. */
        borrower_instance.data.loan(
            short_buffer, //Buffer
            0);           //Initial length

        /* Before starting to publish samples, set the instance id of each
         * instance*/
        owner_instance.id    = "owner_instance";
        borrower_instance.id = "browser_instance";

        /*
         * instance_handle = sequences_writer.register_instance(instance);
         */

        /* We use Random to generate random values for the sequences */
        Random random = new Random();

        /* Main loop */

        /* To illustrate the use of the sequences, in the main loop we set a
         * new sequence length every iteration to the sequences contained in
         * both instances (instance.data). The sequence length value cycles
         * between 0 and MAX_SEQUENCE_LEN. We assign a random number between
         * 0 and 100 to each sequence's elements. */
        const System.Int32 send_period = 1000; // milliseconds

        for (int count = 0;
             (sample_count == 0) || (count < sample_count);
             ++count)
        {
            /* We set a different sequenceLength for both instances every
             * iteration. sequenceLength is based on the value of count
             * and its value cycles between the values of 1 and
             * MAX_SEQUENCE_LEN. */
            int sequence_length = (count % MAX_SEQUENCE_LEN.VALUE) + 1;

            Console.WriteLine("Writing sequences, count {0}...", count);

            owner_instance.count    = (short)count;
            borrower_instance.count = (short)count;

            /* Here we set the new length of each sequence */
            owner_instance.data.length    = sequence_length;
            borrower_instance.data.length = sequence_length;

            /* Now that the sequences have a new length, we assign a
             * random number between 0 and 100 to each element of
             * owner_instance->data and borrower_instance->data. */
            for (int i = 0; i < sequence_length; ++i)
            {
                owner_instance.data.set_at(i, (short)random.Next(0, 100));
                borrower_instance.data.set_at(i, (short)random.Next(0, 100));
            }

            /* Both sequences have the same length, so we only print the length
             * of one of them. */
            Console.WriteLine("Instances length = {0}",
                              owner_instance.data.length);

            /* Write for each instance */

            try {
                sequences_writer.write(owner_instance,
                                       ref owner_instance_handle);
            } catch (DDS.Exception e) {
                Console.WriteLine("write error {0}", e);
            }

            try {
                sequences_writer.write(borrower_instance,
                                       ref borrower_instance_handle);
            } catch (DDS.Exception e) {
                Console.WriteLine("write error {0}", e);
            }


            System.Threading.Thread.Sleep(send_period);
        }

        /* Once we are done with the sequence, we call unloan() */
        borrower_instance.data.unloan();

        /*
         * try {
         *  sequences_writer.unregister_instance(
         *      instance, ref instance_handle);
         * } catch(DDS.Exception e) {
         *  Console.WriteLine("unregister instance error: {0}", e);
         * }
         */

        // --- Shutdown --- //

        /* Delete data sample */
        try {
            sequencesTypeSupport.delete_data(owner_instance);
        } catch (DDS.Exception e) {
            Console.WriteLine(
                "sequencesTypeSupport.delete_data error: {0}", e);
        }

        /* Delete all entities */
        shutdown(participant);
    }
示例#8
0
    static void publish(int domain_id, int sample_count)
    {
        // --- Create participant --- //

        /* To customize 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 publisher --- //

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

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

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

        /* To customize topic QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.Topic topic = participant.create_topic(
            "Example keys",
            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 writer --- //

        /* We are going to load different QoS profiles for the two DWs */
        DDS.DataWriterQos writerQos = new DDS.DataWriterQos();

        /* To customize data writer QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.DataWriter writer = publisher.create_datawriter(
            topic,
            DDS.Publisher.DATAWRITER_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        DDS.DomainParticipantFactory.get_instance().get_datawriter_qos_from_profile(writerQos, "keys_Library", "keys_Profile_dw2");

        /* If you want to set the writer_data_lifecycle QoS settings
         * programmatically rather than using the XML, you will need to add
         * the following lines to your code and comment out the create_datawriter
         * and get_datawriter_qos_from_profile calls above.
         */

        /*
         * publisher.get_default_datawriter_qos(writerQos);
         *
         * writerQos.writer_data_lifecycle.autodispose_unregistered_instances = false;
         * writerQos.ownership.kind = DDS.OwnershipQosPolicyKind.EXCLUSIVE_OWNERSHIP_QOS;
         * writerQos.ownership_strength.value = 10;
         *
         * DDS.DataWriter writer = publisher.create_datawriter(
         *  topic,
         *  writerQos,
         *  null,
         *  DDS.StatusMask.STATUS_MASK_NONE);
         *
         * writerQos.ownership_strength.value = 5;
         */

        DDS.DataWriter writer2 = publisher.create_datawriter(
            topic,
            writerQos,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);

        if (writer == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_datawriter error");
        }
        keysDataWriter keys_writer = (keysDataWriter)writer;

        if (writer2 == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_datawriter error");
        }
        keysDataWriter keys_writer2 = (keysDataWriter)writer2;

        // --- Write --- //

        /* Creates three instances */
        keys[] instance = new keys[3] {
            null, null, null
        };

        /* Create data sample for writing */
        instance[0] = keysTypeSupport.create_data();
        instance[1] = keysTypeSupport.create_data();
        instance[2] = keysTypeSupport.create_data();
        if ((instance[0] == null)
            ||
            (instance[1] == null)
            ||
            (instance[2] == null)
            )
        {
            shutdown(participant);
            throw new ApplicationException(
                      "keysTypeSupport.create_data error");
        }

        /* RTI Connext could examine the key fields each time it needs to determine
         * which data-instance is being modified.
         * However, for performance and semantic reasons, it is better
         * for your application to declare all the data-instances it intends to
         * modify prior to actually writing any samples. This is known as registration.
         */

        /* In order to register the instances, we must set their associated keys first */
        instance[0].code = 0;
        instance[1].code = 1;
        instance[2].code = 2;

        /* For a data type that has a key, if the same instance is going to be
         * written multiple times, initialize the key here
         * and register the keyed instance prior to writing */
        DDS.InstanceHandle_t[] handle = new DDS.InstanceHandle_t[3];

        Console.WriteLine("----DW1 registering instance handle", instance[0].code);
        handle[0] = keys_writer.register_instance(instance[0]);

        // Init coordinates
        instance[0].x = 1;
        instance[1].x = 1;
        instance[2].x = 1;

        int[] active = new int[] { 1, 0, 0 }; // Only send active keys.

        /* Make variables for the instance for the second datawriter to use.
         * Note that it actually refers to the same logical instance, but
         * because we're running both datawriters in the same thread, we
         * to create separate variables so they don't clobber each other.
         */

        keys instance_dw2 = null;

        instance_dw2 = keysTypeSupport.create_data();
        if (instance_dw2 == null)
        {
            shutdown(participant);
            throw new ApplicationException("keysTypeSupport.create_data error");
        }

        /* instance_dw2 and instance[1] have the same key, and thus
         * will write to the same instance (ins1).
         */
        instance_dw2.code = instance[1].code;
        instance_dw2.x    = 2;
        DDS.InstanceHandle_t handle_dw2 = keys_writer2.register_instance(instance_dw2);
        int active_dw2 = 1;

        /* Main loop */
        const System.Int32 send_period = 1000; // milliseconds

        for (int count = 0; (sample_count == 0) || (count < sample_count); ++count)
        {
            System.Threading.Thread.Sleep(send_period);

            /* Modify the data to be sent here */
            instance[0].y = count;
            instance[1].y = count + 1000;
            instance[2].y = count + 2000;

            instance_dw2.y = -count - 1000;

            /* We control two datawriters via a state machine here rather than
             * introducing separate threads.
             */
            /* Control first DataWriter */
            switch (count)
            {
            case 4:
            {         /* Start sending the second (ins1) and third instances (ins2) */
                Console.WriteLine("----DW1 registering instance {0}", instance[1].code);
                Console.WriteLine("----DW1 registering instance {0}", instance[2].code);
                handle[1] = keys_writer.register_instance(instance[1]);
                handle[2] = keys_writer.register_instance(instance[2]);
                active[1] = 1;
                active[2] = 1;
            } break;

            case 8:
            {         /* Dispose the second instance (ins1) */
                Console.WriteLine("----DW1 disposing instance {0}", instance[1].code);
                try
                {
                    keys_writer.dispose(instance[1], ref handle[1]);
                }
                catch (DDS.Exception e)
                {
                    Console.WriteLine("dispose instance error: {0}", e);
                    return;
                }

                active[1] = 0;
            } break;

            case 10:
            {         /* Unregister the second instance (ins1) */
                Console.WriteLine("----DW1 unregistering instance {0}", instance[1].code);
                try
                {
                    keys_writer.unregister_instance(instance[1], ref handle[1]);
                }
                catch (DDS.Exception e)
                {
                    Console.WriteLine("unregister instance error: {0}", e);
                    return;
                }

                active[1] = 0;
            } break;

            case 12:
            {         /* Unregister the third instance (ins2) */
                Console.WriteLine("----DW1 unregistering instance {0}", instance[2].code);

                try
                {
                    keys_writer.unregister_instance(instance[2], ref handle[2]);
                }
                catch (DDS.Exception e)
                {
                    Console.WriteLine("unregister instance error: {0}", e);
                    return;
                }

                active[2] = 0;

                /* Re-register the second instance (ins1) */
                Console.WriteLine("----DW1 re-registering instance {0}", instance[1].code);
                handle[1] = keys_writer.register_instance(instance[1]);
                active[1] = 1;
            } break;

            case 16:
            {         /* Re-register the third instance (ins2) */
                Console.WriteLine("----DW1 re-registering instance {0}", instance[2].code);
                handle[2] = keys_writer.register_instance(instance[2]);
                active[2] = 1;
            } break;
            }

            for (int i = 0; i < 3; ++i)
            {
                if (active[i] == 1)
                {
                    Console.WriteLine("DW1 write; code: {0}, x: {1}, y: {2}",
                                      instance[i].code, instance[i].x, instance[i].y);

                    try
                    {
                        keys_writer.write(instance[i], ref handle[i]);
                    }
                    catch (DDS.Exception e)
                    {
                        Console.WriteLine("write error {0}", e);
                        return;
                    }
                }
            }

            /* Control second datawriter */
            switch (count)
            {
            case 16:
            {         /* Dispose the instance (ins1).
                       * Since it has lower ownership strength, this does nothing */
                Console.WriteLine("----DW2 disposing instance {0}", instance_dw2.code);
                try
                {
                    keys_writer2.dispose(instance_dw2, ref handle_dw2);
                }
                catch (DDS.Exception e)
                {
                    Console.WriteLine("dispose error {0}", e);
                    return;
                }

                active_dw2 = 0;
            } break;
            }

            if (active_dw2 == 1)
            {
                Console.WriteLine("DW2 write; code: {0}, x: {1}, y: {2}",
                                  instance_dw2.code, instance_dw2.x, instance_dw2.y);
                try
                {
                    keys_writer2.write(instance_dw2, ref handle_dw2);
                }
                catch (DDS.Exception e)
                {
                    Console.WriteLine("write error {0}", e);
                    return;
                }
            }
        }

        // --- Shutdown --- //

        /* Delete data sample */
        for (int i = 0; i < 3; i++)
        {
            try
            {
                keysTypeSupport.delete_data(instance[i]);
            }
            catch (DDS.Exception e)
            {
                Console.WriteLine(
                    "keysTypeSupport.delete_data error: {0}", e);
            }
        }
        try
        {
            keysTypeSupport.delete_data(instance_dw2);
        }
        catch (DDS.Exception e)
        {
            Console.WriteLine(
                "keysTypeSupport.delete_data error: {0}", e);
        }

        /* Delete all entities */
        shutdown(participant);
    }
    static void publish(int domain_id, int sample_count)
    {
        // --- Create participant --- //

        /* To customize 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 publisher --- //

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

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

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

        /* To customize topic QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.Topic topic = participant.create_topic(
            "Example deadline_contentfilter",
            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 writer --- //

        //// Start changes for Deadline

        // Create listener
        deadlineListener writer_listener = new deadlineListener();

        if (writer_listener == null)
        {
            shutdown(participant);
            throw new ApplicationException("listener instantiation error\n");
        }

        /* To customize data writer QoS, use
         * the configuration file NDDS_QOS_PROFILES.xml */
        DDS.DataWriter writer = publisher.create_datawriter(
            topic,
            DDS.Publisher.DATAWRITER_QOS_DEFAULT,
            writer_listener, /* listener */
            DDS.StatusMask.STATUS_MASK_ALL);
        if (writer == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_datawriter error");
        }

        /* If you want to change the DataWriter's QoS programmatically rather than
         * using the XML file, you will need to add the following lines to your
         * code and comment out the create_datawriter call above.
         *
         * In this case, we set the deadline period to 2 seconds to trigger
         * a deadline if the DataWriter does not update often enough.
         */
        /*
         *
         * DDS.DataWriterQos datawriter_qos = new DDS.DataWriterQos();
         * try {
         *  publisher.get_default_datawriter_qos(datawriter_qos);
         * }
         * catch(DDS.Exception e) {
         *  Console.WriteLine("get_default_datawriter_qos error\n", e);
         * }
         *
         * // Set deadline QoS to 1.5 sec
         * datawriter_qos.deadline.period.sec = 1;
         * datawriter_qos.deadline.period.nanosec = 500000000; // 500ms
         *
         * // --- Create writer --- //
         *
         * DDS.DataWriter writer = publisher.create_datawriter(
         *  topic,
         *  datawriter_qos, //DDS.Publisher.DATAWRITER_QOS_DEFAULT,
         *  writer_listener,
         *  DDS.StatusMask.STATUS_MASK_ALL);
         * if (writer == null) {
         *  shutdown(participant);
         *  throw new ApplicationException("create_datawriter error");
         * }
         */

        deadline_contentfilterDataWriter deadline_contentfilter_writer =
            (deadline_contentfilterDataWriter)writer;

        /* Create data sample for writing */
        deadline_contentfilter instance0 = deadline_contentfilterTypeSupport.create_data();

        if (instance0 == null)
        {
            shutdown(participant);
            throw new ApplicationException(
                      "deadline_contentfilterTypeSupport.create_data error");
        }

        deadline_contentfilter instance1 = deadline_contentfilterTypeSupport.create_data();

        if (instance1 == null)
        {
            shutdown(participant);
            throw new ApplicationException(
                      "deadline_contentfilterTypeSupport.create_data error");
        }

        // Set keys -- we specify 'code' as the key field in the .idl
        instance0.code = 0;
        instance1.code = 1;

        /* For a data type that has a key, if the same instance is going to be
         * written multiple times, initialize the key here
         * and register the keyed instance prior to writing */
        DDS.InstanceHandle_t instance_handle0 =
            DDS.InstanceHandle_t.HANDLE_NIL;
        DDS.InstanceHandle_t instance_handle1 =
            DDS.InstanceHandle_t.HANDLE_NIL;
        instance_handle0 = deadline_contentfilter_writer.register_instance(instance0);
        instance_handle1 = deadline_contentfilter_writer.register_instance(instance1);

        const System.Int32 send_period = 1000; // milliseconds

        instance0.x = instance0.y = instance1.x = instance1.y = 0;
        int writeTimes = 15;

        /* Main loop */
        for (int count = 0;
             (sample_count == 0) || (count < sample_count);
             ++count)
        {
            //Console.WriteLine("Writing deadline, count {0}", count);

            /* Modify the data to be sent here */
            instance0.x++;
            instance0.y++;
            instance1.x++;
            instance1.y++;

            Console.WriteLine("Writing instance0, x = {0}, y = {1}\n",
                              instance0.x, instance0.y);

            try
            {
                deadline_contentfilter_writer.write(instance0, ref instance_handle0);
            }
            catch (DDS.Exception e)
            {
                Console.WriteLine("write error {0}", e);
            }

            if (count < writeTimes)
            {
                Console.WriteLine("Writing instance1, x = {0}, y = {1}\n",
                                  instance1.x, instance1.y);

                try
                {
                    deadline_contentfilter_writer.write(instance1, ref instance_handle1);
                }
                catch (DDS.Exception e)
                {
                    Console.WriteLine("write error {0}", e);
                }
            }
            else if (count == writeTimes)
            {
                Console.WriteLine("Stopping writes to instance1\n");
            }

            System.Threading.Thread.Sleep(send_period);
        }

        // Unregister the instances
        try
        {
            deadline_contentfilter_writer.unregister_instance(instance0, ref instance_handle0);
        }
        catch (DDS.Exception e)
        {
            Console.WriteLine("unregister instance error: {0}", e);
        }

        try
        {
            deadline_contentfilter_writer.unregister_instance(instance1, ref instance_handle1);
        }
        catch (DDS.Exception e)
        {
            Console.WriteLine("unregister instance error: {0}", e);
        }

        // --- Shutdown --- //

        /* Delete data sample */
        try
        {
            deadline_contentfilterTypeSupport.delete_data(instance0);
        }
        catch (DDS.Exception e)
        {
            Console.WriteLine("deadlineTypeSupport.delete_data error: {0}", e);
        }

        try
        {
            deadline_contentfilterTypeSupport.delete_data(instance1);
        }
        catch (DDS.Exception e)
        {
            Console.WriteLine("deadlineTypeSupport.delete_data error: {0}", e);
        }
        /* Delete all entities */
        shutdown(participant);
    }
示例#10
0
    static void publish(int domain_id, int sample_count, int initial_value,
                        int dwh, int sleep)
    {
        // --- Create participant --- //

        /* To customize 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 publisher --- //

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

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

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

        /* To customize topic QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.Topic topic = participant.create_topic(
            "Example hello_world",
            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 writer --- //

        /* If you use Durable Writer History, you need to set several
         * properties. These properties are set in the USER_QOS_PROFILE.xml
         * file, "durable_writer_history_Profile" profile. See that file for
         * further details.
         */
        DDS.DataWriter writer = null;
        if (dwh == 1)
        {
            writer = publisher.create_datawriter_with_profile(topic,
                                                              "persistence_example_Library",
                                                              "durable_writer_history_Profile",
                                                              null, DDS.StatusMask.STATUS_MASK_ALL);
        }
        else
        {
            writer = publisher.create_datawriter_with_profile(topic,
                                                              "persistence_example_Library",
                                                              "persistence_service_Profile",
                                                              null, DDS.StatusMask.STATUS_MASK_ALL);
        }
        if (writer == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_datawriter error");
        }
        hello_worldDataWriter hello_world_writer =
            (hello_worldDataWriter)writer;

        // --- Write --- //

        /* Create data sample for writing */
        hello_world instance = hello_worldTypeSupport.create_data();

        if (instance == null)
        {
            shutdown(participant);
            throw new ApplicationException(
                      "hello_worldTypeSupport.create_data error");
        }

        /* For a data type that has a key, if the same instance is going to be
         * written multiple times, initialize the key here
         * and register the keyed instance prior to writing */
        DDS.InstanceHandle_t instance_handle = DDS.InstanceHandle_t.HANDLE_NIL;

        /*
         * instance_handle = hello_world_writer.register_instance(instance);
         */

        /* Main loop */
        const System.Int32 send_period = 1000; // milliseconds
        const System.Int32 one_sec     = 1000; // milliseconds

        for (int count = 0;
             (sample_count == 0) || (count < sample_count);
             ++count)
        {
            Console.WriteLine("Writing hello_world, count {0}", initial_value);

            /* Modify the data to be sent here */
            instance.data = initial_value;
            initial_value++;

            try {
                hello_world_writer.write(instance, ref instance_handle);
            } catch (DDS.Exception e) {
                Console.WriteLine("write error {0}", e);
            }

            System.Threading.Thread.Sleep(send_period);
        }

        while (sleep != 0)
        {
            System.Threading.Thread.Sleep(one_sec);
            sleep--;
        }

        /*
         * try {
         *  hello_world_writer.unregister_instance(
         *      instance, ref instance_handle);
         * } catch(DDS.Exception e) {
         *  Console.WriteLine("unregister instance error: {0}", e);
         * }
         */

        // --- Shutdown --- //

        /* Delete data sample */
        try {
            hello_worldTypeSupport.delete_data(instance);
        } catch (DDS.Exception e) {
            Console.WriteLine(
                "hello_worldTypeSupport.delete_data error: {0}", e);
        }

        /* Delete all entities */
        shutdown(participant);
    }
示例#11
0
    static void publish(int domain_id, int sample_count)
    {
        // --- Create participant --- //

        /* To customize 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 publisher --- //

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

        /* Create ande Delete Inconsistent Topic
         * ---------------------------------------------------------------
         * Here we create an inconsistent topic to trigger the subscriber
         * application's callback.
         * The inconsistent topic is created with the topic name used in
         * the Subscriber application, but with a different data type --
         * the msg data type defined in partitions.idl.
         * Once it is created, we sleep to ensure the applications discover
         * each other and delete the Data Writer and Topic.
         */

        /* First we register the msg type -- we name it
         * inconsistent_topic_type_name to avoid confusion.
         */
        Console.WriteLine("Creating Inconsistent Topic...");

        System.String inconsistent_type_name = msgTypeSupport.get_type_name();
        try
        {
            msgTypeSupport.register_type(participant, inconsistent_type_name);
        }
        catch (DDS.Exception e)
        {
            Console.WriteLine("register_type error {0}", e);
            shutdown(participant);
            throw e;
        }

        DDS.Topic inconsistent_topic = participant.create_topic(
            "Example listeners",
            inconsistent_type_name,
            DDS.DomainParticipant.TOPIC_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (inconsistent_topic == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_topic error");
        }

        /* We have to associate a writer to the topic, as Topic information is not
         * actually propagated until the creation of an associated writer.
         */
        DDS.DataWriter inconsistent_writer = publisher.create_datawriter(
            inconsistent_topic,
            DDS.Publisher.DATAWRITER_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (inconsistent_writer == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_datawriter error");
        }
        msgDataWriter msg_writer = (msgDataWriter)inconsistent_writer;

        // Sleep to leave time for applications to discover each other
        const System.Int32 sleep_period = 2000; //millseconds

        System.Threading.Thread.Sleep(sleep_period);

        try
        {
            publisher.delete_datawriter(ref inconsistent_writer);
        }
        catch (DDS.Exception e)
        {
            Console.WriteLine("delete_datawriter error {0}", e);
            shutdown(participant);
            return;
        }

        try
        {
            participant.delete_topic(ref inconsistent_topic);
        }
        catch (DDS.Exception e)
        {
            Console.WriteLine("delete_topic error {0}", e);
            shutdown(participant);
            return;
        }

        Console.WriteLine("... Deleted Inconsistent Topic\n");


        /* Create Consistent Topic
         * -----------------------------------------------------------------
         * Once we have created the inconsistent topic with the wrong type,
         * we create a topic with the right type name -- listeners -- that we
         * will use to publish data.
         */

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

        /* To customize topic QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.Topic topic = participant.create_topic(
            "Example listeners",
            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");
        }



        /* We will use the Data Writer Listener defined above to print
         * a message when some of events are triggered in the DataWriter.
         * To do that, first we have to pass the writer_listener and then
         * we have to enable all status in the status mask.
         */
        DataWriterListener writer_listener = new DataWriterListener();

        DDS.DataWriter writer = publisher.create_datawriter(
            topic,
            DDS.Publisher.DATAWRITER_QOS_DEFAULT,
            writer_listener /* listener */,
            DDS.StatusMask.STATUS_MASK_ALL /* get all statuses */);
        if (writer == null)
        {
            shutdown(participant);
            writer_listener = null;
            throw new ApplicationException("create_datawriter error");
        }
        listenersDataWriter listeners_writer =
            (listenersDataWriter)writer;

        // --- Write --- //

        /* Create data sample for writing */
        listeners instance = listenersTypeSupport.create_data();

        if (instance == null)
        {
            shutdown(participant);
            writer_listener = null;
            throw new ApplicationException(
                      "listenersTypeSupport.create_data error");
        }

        /* For a data type that has a key, if the same instance is going to be
         * written multiple times, initialize the key here
         * and register the keyed instance prior to writing */
        DDS.InstanceHandle_t instance_handle = DDS.InstanceHandle_t.HANDLE_NIL;

        /*
         * instance_handle = listeners_writer.register_instance(instance);
         */

        /* Main loop */
        const System.Int32 send_period = 1000; // milliseconds

        for (int count = 0;
             (sample_count == 0) || (count < sample_count);
             ++count)
        {
            Console.WriteLine("Writing listeners, count {0}", count);

            /* Modify the data to be sent here */
            instance.x = (short)count;

            try
            {
                listeners_writer.write(instance, ref instance_handle);
            }
            catch (DDS.Exception e)
            {
                Console.WriteLine("write error {0}", e);
            }

            System.Threading.Thread.Sleep(send_period);
        }

        /*
         * try {
         *  listeners_writer.unregister_instance(
         *      instance, ref instance_handle);
         * } catch(DDS.Exception e) {
         *  Console.WriteLine("unregister instance error: {0}", e);
         * }
         */

        // --- Shutdown --- //

        /* Delete data sample */
        try
        {
            listenersTypeSupport.delete_data(instance);
        }
        catch (DDS.Exception e)
        {
            Console.WriteLine(
                "listenersTypeSupport.delete_data error: {0}", e);
        }

        /* Delete all entities */
        shutdown(participant);
        writer_listener = null;
    }
示例#12
0
    static void publish(int domain_id, int sample_count)
    {
        // --- Create participant --- //

        /* To customize 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 you want to change the DomainParticipant's QoS programmatically
         * rather than using the XML file, you will need to add the following lines
         * to your code and comment out the create_participant call above.
         *
         * In this case, we set the transport settings in the XML by default, but
         * in the createParticipant call, we set up the transport
         * properties either using the Properties QoS in code.
         */
        /* DDS.DomainParticipant participant = createParticipant(domain_id); */

        if (participant == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_participant error");
        }

        if (checkParticipant(participant) == true)
        {
            Console.WriteLine("Ok, recv_socket_buffer_size....modified");
            Console.WriteLine("Ok, send_socket_buffer_size....modified");
        }

        // --- Create publisher --- //

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

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

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

        /* To customize topic QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.Topic topic = participant.create_topic(
            "Example numbers",
            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 writer --- //

        /* To customize data writer QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.DataWriter writer = publisher.create_datawriter(
            topic,
            DDS.Publisher.DATAWRITER_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (writer == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_datawriter error");
        }
        numbersDataWriter numbers_writer =
            (numbersDataWriter)writer;

        // --- Write --- //

        /* Create data sample for writing */
        numbers instance = numbersTypeSupport.create_data();

        if (instance == null)
        {
            shutdown(participant);
            throw new ApplicationException(
                      "numbersTypeSupport.create_data error");
        }

        /* For a data type that has a key, if the same instance is going to be
         * written multiple times, initialize the key here
         * and register the keyed instance prior to writing */
        DDS.InstanceHandle_t instance_handle = DDS.InstanceHandle_t.HANDLE_NIL;

        /*
         * instance_handle = numbers_writer.register_instance(instance);
         */
        instance.number     = 1000;
        instance.halfNumber = (float)(instance.number) / 2;

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

        for (int count = 0;
             (sample_count == 0) || (count < sample_count);
             ++count)
        {
            Console.WriteLine("Writing numbers, count {0}", count);

            /* Modify the data to be sent here */


            try {
                numbers_writer.write(instance, ref instance_handle);
            }
            catch (DDS.Exception e) {
                Console.WriteLine("write error {0}", e);
            }
            instance.number     = (int)instance.halfNumber;
            instance.halfNumber = (float)(instance.number) / 2;

            System.Threading.Thread.Sleep(send_period);
        }

        /*
         * try {
         *  numbers_writer.unregister_instance(
         *      instance, ref instance_handle);
         * } catch(DDS.Exception e) {
         *  Console.WriteLine("unregister instance error: {0}", e);
         * }
         */

        // --- Shutdown --- //

        /* Delete data sample */
        try {
            numbersTypeSupport.delete_data(instance);
        } catch (DDS.Exception e) {
            Console.WriteLine(
                "numbersTypeSupport.delete_data error: {0}", e);
        }

        /* Delete all entities */
        shutdown(participant);
    }
    static void publish(int domain_id, int sample_count)
    {
        // --- Create participant --- //

        /* To customize 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 publisher --- //

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

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

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

        /* To customize topic QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.Topic topic = participant.create_topic(
            "Example keys",
            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 writer --- //

        /* To customize data writer QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.DataWriter writer = publisher.create_datawriter(
            topic,
            DDS.Publisher.DATAWRITER_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);

        /* If you want to set the writer_data_lifecycle QoS settings
         * programmatically rather than using the XML, you will need to add
         * the following lines to your code and comment out the create_datawriter
         * call above.
         */
        /*DDS.DataWriterQos datawriter_qos = new DDS.DataWriterQos();
         * try
         * {
         *  publisher.get_default_datawriter_qos(datawriter_qos);
         * }
         * catch (DDS.Exception e)
         * {
         *  Console.WriteLine("get_default_datawriter_qos error", e);
         * }
         *
         * datawriter_qos.writer_data_lifecycle.autodispose_unregistered_instances = false;
         *
         * DDS.DataWriter writer = publisher.create_datawriter(
         * topic,
         * datawriter_qos,
         * null,
         * DDS.StatusMask.STATUS_MASK_NONE);
         */

        if (writer == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_datawriter error");
        }
        keysDataWriter keys_writer = (keysDataWriter)writer;

        // --- Write --- //

        /* For a data type that has a key, if the same instance is going to be
         * written multiple times, initialize the key here
         * and register the keyed instance prior to writing */
        DDS.InstanceHandle_t instance_handle = DDS.InstanceHandle_t.HANDLE_NIL;

        /* Creates three instances */
        keys[] instance = new keys[3] {
            null, null, null
        };

        /* Create data samples for writing */
        instance[0] = keysTypeSupport.create_data();
        instance[1] = keysTypeSupport.create_data();
        instance[2] = keysTypeSupport.create_data();

        if (instance[0] == null || instance[1] == null || instance[2] == null)
        {
            shutdown(participant);
            throw new ApplicationException(
                      "keysTypeSupport::create_data error\n");
        }

        /* RTI Connext could examine the key fields each time it needs to determine
         * which data-instance is being modified.
         * However, for performance and semantic reasons, it is better
         * for your application to declare all the data-instances it intends to
         * modify prior to actually writing any samples. This is known as registration.
         */

        /* In order to register the instances, we must set their associated keys first */
        instance[0].code = 0;
        instance[1].code = 1;
        instance[2].code = 2;

        /* Creates three handles for managing the registrations */
        DDS.InstanceHandle_t[] handle =
            new DDS.InstanceHandle_t[]
        { DDS.InstanceHandle_t.HANDLE_NIL, DDS.InstanceHandle_t.HANDLE_NIL,
          DDS.InstanceHandle_t.HANDLE_NIL };

        /* The keys must have been set before making this call */
        Console.WriteLine("Registering instance {0}", instance[0].code);
        handle[0] = keys_writer.register_instance(instance[0]);

        /* Modify the data to be sent here */
        instance[0].x = 1000;
        instance[1].x = 2000;
        instance[2].x = 3000;

        /* We only will send data over the instances marked as active */
        int[] active = new int[] { 1, 0, 0 }; // Only send active tracks.

        /* Main loop */
        const System.Int32 send_period = 1000; // milliseconds

        for (int count = 0;
             (sample_count == 0) || (count < sample_count);
             ++count)
        {
            //Console.WriteLine("Writing keys, count {0}", count);

            switch (count)
            {
            case 5:
            {         /* Start sending the second and third instances */
                Console.WriteLine("----Registering instance {0}", instance[1].code);
                Console.WriteLine("----Registering instance {0}", instance[2].code);
                handle[1] = keys_writer.register_instance(instance[1]);
                handle[2] = keys_writer.register_instance(instance[2]);
                active[1] = 1;
                active[2] = 1;
            } break;

            case 10:
            {         /* Unregister the second instance */
                Console.WriteLine("----Unregistering instance {0}", instance[1].code);
                try
                {
                    keys_writer.unregister_instance(instance[1], ref handle[1]);
                }
                catch (DDS.Exception e)
                {
                    Console.WriteLine("unregister instance error {0}", e);
                }

                active[1] = 0;
            } break;

            case 15:
            {         /* Dispose the third instance */
                Console.WriteLine("----Disposing instance {0}", instance[2].code);
                try
                {
                    keys_writer.dispose(instance[2], ref handle[2]);
                }
                catch (DDS.Exception e)
                {
                    Console.WriteLine("dispose instance error {0}", e);
                }
                active[2] = 0;
            } break;
            }

            /* Modify the data to be sent here */
            instance[0].y = count;
            instance[1].y = count;
            instance[2].y = count;

            for (int i = 0; i < 3; ++i)
            {
                if (active[i] == 1)
                {
                    Console.WriteLine("Writing instance {0}, x: {1}, y: {2}",
                                      instance[i].code, instance[i].x, instance[i].y);
                    try
                    {
                        keys_writer.write(instance[i], ref handle[i]);
                    }
                    catch (DDS.Exception e)
                    {
                        Console.WriteLine("write error {0}", e);
                    }
                }
            }

            System.Threading.Thread.Sleep(send_period);
        }

        // --- Shutdown --- //

        /* Delete data samples */
        try
        {
            keysTypeSupport.delete_data(instance[0]);
        }
        catch (DDS.Exception e)
        {
            Console.WriteLine("keysTypeSupport.delete_data error: {0}", e);
        }
        try
        {
            keysTypeSupport.delete_data(instance[1]);
        }
        catch (DDS.Exception e)
        {
            Console.WriteLine("keysTypeSupport.delete_data error: {0}", e);
        }
        try
        {
            keysTypeSupport.delete_data(instance[2]);
        }
        catch (DDS.Exception e)
        {
            Console.WriteLine("keysTypeSupport.delete_data error: {0}", e);
        }

        /* Delete all entities */
        shutdown(participant);
    }
示例#14
0
    static void publish(int domain_id, int sample_count)
    {
        // --- Create participant --- //

        /* To customize 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 publisher --- //

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

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

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

        /* To customize topic QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.Topic topic = participant.create_topic(
            "Example waitsets",
            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 writer --- //

        /* To customize data writer QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.DataWriter writer = publisher.create_datawriter(
            topic,
            DDS.Publisher.DATAWRITER_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (writer == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_datawriter error");
        }

        /* If you want to change the DataWriter's QoS programmatically rather
         * than using the XML file, you will need to add the following lines to
         * your code and comment out the create_datawriter call above.
         *
         * In this case, we reduce the liveliness timeout period to trigger the
         * StatusCondition DDS.StatusKind.LIVELINESS_CHANGED_STATUS */
        /*
         * DDS.DataWriterQos datawriter_qos = new DDS.DataWriterQos();
         * try {
         *  publisher.get_default_datawriter_qos(datawriter_qos);
         * } catch (DDS.Exception e) {
         *  Console.WriteLine("get_default_datawriter_qos error {0}", e);
         *  shutdown(participant);
         *  throw e;
         * }
         * datawriter_qos.liveliness.lease_duration.sec = 1;
         * datawriter_qos.liveliness.lease_duration.nanosec = 0;
         *
         * writer = publisher.create_datawriter(topic, datawriter_qos,
         *  null, DDS.StatusMask.STATUS_MASK_NONE);
         * if (writer == null) {
         *  shutdown(participant);
         *  throw new ApplicationException("create_datawriter_qos error");
         * }
         */

        waitsetsDataWriter waitsets_writer =
            (waitsetsDataWriter)writer;

        // --- Write --- //

        /* Create data sample for writing */
        waitsets instance = waitsetsTypeSupport.create_data();

        if (instance == null)
        {
            shutdown(participant);
            throw new ApplicationException(
                      "waitsetsTypeSupport.create_data error");
        }

        /* For a data type that has a key, if the same instance is going to be
         * written multiple times, initialize the key here
         * and register the keyed instance prior to writing */
        DDS.InstanceHandle_t instance_handle = DDS.InstanceHandle_t.HANDLE_NIL;

        /*
         * instance_handle = waitsets_writer.register_instance(instance);
         */

        /* Main loop */
        const System.Int32 send_period = 1000; // milliseconds

        for (int count = 0;
             (sample_count == 0) || (count < sample_count);
             ++count)
        {
            Console.WriteLine("Writing waitsets, count {0}", count);

            /* Modify the data to be sent here */
            instance.x = (short)count;

            try {
                waitsets_writer.write(instance, ref instance_handle);
            } catch (DDS.Exception e) {
                Console.WriteLine("write error {0}", e);
            }

            System.Threading.Thread.Sleep(send_period);
        }

        /*
         * try {
         *  waitsets_writer.unregister_instance(
         *      instance, ref instance_handle);
         * } catch(DDS.Exception e) {
         *  Console.WriteLine("unregister instance error: {0}", e);
         * }
         */

        // --- Shutdown --- //

        /* Delete data sample */
        try {
            waitsetsTypeSupport.delete_data(instance);
        } catch (DDS.Exception e) {
            Console.WriteLine(
                "waitsetsTypeSupport.delete_data error: {0}", e);
        }

        /* Delete all entities */
        shutdown(participant);
    }
示例#15
0
    static void publish(int domain_id, int sample_count)
    {
        // --- Create participant --- //

        /* To customize 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 publisher --- //

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

        /* If you want to change the DataWriter's QoS programmatically rather
         * than using the XML file, you will need to add the following lines to
         * your code and comment out the create_publisher call above.
         */

        // Start changes for coherent_presentation

/*        DDS.PublisherQos publisher_qos = new DDS.PublisherQos();
 *      participant.get_default_publisher_qos(publisher_qos);
 *
 *      // Topic access scope means that writes from a particular datawriter to
 *      // multiple instances will be viewed coherently.
 *      publisher_qos.presentation.access_scope =
 *            DDS.PresentationQosPolicyAccessScopeKind.TOPIC_PRESENTATION_QOS;
 *      publisher_qos.presentation.coherent_access = true;
 *
 *      // --- Create publisher --- //
 *
 *      DDS.Publisher publisher = participant.create_publisher(
 *          publisher_qos,
 *          null,
 *          DDS.StatusMask.STATUS_MASK_NONE);
 *      if (publisher == null) {
 *          shutdown(participant);
 *          throw new ApplicationException("create_publisher error");
 *      }
 */     // End changes for Coherent_Presentation

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

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

        /* To customize topic QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.Topic topic = participant.create_topic(
            "Example coherent",
            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 writer --- //

        /* To customize data writer QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.DataWriter writer = publisher.create_datawriter(
            topic,
            DDS.Publisher.DATAWRITER_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (writer == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_datawriter error");
        }

        /* If you want to change the DataWriter's QoS programmatically rather
         * than using the XML file, you will need to add the following lines to
         * your code and comment out the create_datawriter call above.
         */

        // Start changes for coherent_presentation

        /* Get default datawriter QoS to customize */

/*        DDS.DataWriterQos datawriter_qos = new DDS.DataWriterQos();
 *      publisher.get_default_datawriter_qos(datawriter_qos);
 *
 *      datawriter_qos.reliability.kind =
 *          DDS.ReliabilityQosPolicyKind.RELIABLE_RELIABILITY_QOS;
 *      datawriter_qos.history.depth = 10;
 *      datawriter_qos.protocol.rtps_reliable_writer.
 *              heartbeats_per_max_samples = 0;
 *
 *      DDS.DataWriter writer = publisher.create_datawriter(
 *          topic,
 *          datawriter_qos,
 *          null,
 *          DDS.StatusMask.STATUS_MASK_NONE);
 *      if (writer == null) {
 *          shutdown(participant);
 *          throw new ApplicationException("create_datawriter error");
 *      }
 *
 */     // End changes for coherent_presentation

        coherentDataWriter coherent_writer =
            (coherentDataWriter)writer;

        // --- Write --- //

        /* Create data sample for writing */
        coherent instance = coherentTypeSupport.create_data();

        if (instance == null)
        {
            shutdown(participant);
            throw new ApplicationException(
                      "coherentTypeSupport.create_data error");
        }

        // Start changes for coherent_presentation

        /* For a data type that has a key, if the same instance is going to be
         * written multiple times, initialize the key here
         * and register the keyed instance prior to writing */
        DDS.InstanceHandle_t instance_handle = DDS.InstanceHandle_t.HANDLE_NIL;

        instance.id     = 0;
        instance_handle = coherent_writer.register_instance(instance);

        Random random = new Random();

        publisher.begin_coherent_changes();
        Console.WriteLine("Begin Coherent Changes");

        /* Main loop */
        const System.Int32 send_period = 1000; // milliseconds

        for (int count = 0;
             (sample_count == 0) || (count < sample_count);
             ++count)
        {
            System.Threading.Thread.Sleep(send_period);

            /* Modify the data to be sent here */
            int mod = count % 7;
            if (mod == 6)
            {
                Console.WriteLine("Begin Coherent Changes");
                try {
                    publisher.begin_coherent_changes();
                } catch (DDS.Exception e) {
                    Console.WriteLine("begin_coherent_chages {0}", e);
                }

                continue;
            }

            //Choose a random value for each field
            instance.field = (char)('a' + mod);
            instance.value = (int)(random.Next(9));

            Console.WriteLine("  Updating instance, {0}->{1}", instance.field,
                              instance.value);

            try {
                coherent_writer.write(instance, ref instance_handle);
            } catch (DDS.Exception e) {
                Console.WriteLine("write error {0}", e);
            }

            // Begin a new change group after sending 6 samples
            if (mod == 5)
            {
                Console.WriteLine("End Coherent Changes\n");
                try {
                    publisher.end_coherent_changes();
                } catch (DDS.Exception e) {
                    Console.WriteLine("end_coherent_changes error {0}", e);
                    throw new ApplicationException(
                              "coherentTypeSupport.end_coherent_changes error");
                }
            }
        }

        try {
            coherent_writer.unregister_instance(
                instance, ref instance_handle);
        } catch (DDS.Exception e) {
            Console.WriteLine("unregister instance error: {0}", e);
        }

        // --- Shutdown --- //

        /* Delete data sample */
        try {
            coherentTypeSupport.delete_data(instance);
        } catch (DDS.Exception e) {
            Console.WriteLine(
                "coherentTypeSupport.delete_data error: {0}", e);
        }

        /* Delete all entities */
        shutdown(participant);
    }
示例#16
0
    static void publish(int domain_id, int sample_count)
    {
        // --- Create participant --- //

        /* To customize 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 publisher --- //

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

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

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

        /* To customize topic QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.Topic topic = participant.create_topic(
            "Example market_data",
            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");
        }

        /* If you want to change the DataWriter's QoS programmatically rather
         * than using the XML file, you will need to add the following lines to
         * your code and modify the datawriter creation fuction using writer_qos
         *
         * In this case, we set the publish as multichannel using the differents
         * channel to send differents symbol. Every channel have a IP to send
         * the data.
         */

        /* Start changes for MultiChannel */

        /*
         * DDS.DataWriterQos writer_qos = new DDS.DataWriterQos();
         * try {
         *  publisher.get_default_datawriter_qos(writer_qos);
         * } catch (DDS.Exception e) {
         *  Console.WriteLine("get_default_datawriter_qos error {0}", e);
         *  shutdown(participant);
         *  throw e;
         * }
         */
        /* Create 8 channels based on Symbol */

        /*
         * writer_qos.multi_channel.channels.ensure_length(8, 8);
         * System.Int32 length = writer_qos.multi_channel.channels.length;
         * for (int i = 0; i < length; i++) {
         *  DDS.ChannelSettings_t channelSetting =
         *      new DDS.ChannelSettings_t();
         *  writer_qos.multi_channel.channels.set_at(i, channelSetting);
         *  DDS.TransportMulticastSettingsSeq multiCastSettingSeq =
         *      new DDS.TransportMulticastSettingsSeq(1);
         *  writer_qos.multi_channel.channels.get_at(i).
         *      multicast_settings = multiCastSettingSeq;
         *  writer_qos.multi_channel.channels.get_at(i).
         *      multicast_settings.ensure_length(1, 1);
         *  DDS.TransportMulticastSettings_t multicastSetting =
         *      new DDS.TransportMulticastSettings_t();
         *  writer_qos.multi_channel.channels.get_at(i).
         *      multicast_settings.set_at(0, multicastSetting);
         * }
         * writer_qos.multi_channel.channels.get_at(0).
         *  filter_expression = "Symbol MATCH '[A-C]*'";
         * writer_qos.multi_channel.channels.get_at(0).
         *  multicast_settings.ensure_length(1, 1);
         * writer_qos.multi_channel.channels.get_at(0).
         *  multicast_settings.get_at(0).receive_address = "239.255.0.2";
         * writer_qos.multi_channel.channels.get_at(1).
         *  filter_expression = "Symbol MATCH '[D-F]*'";
         * writer_qos.multi_channel.channels.get_at(1).
         *  multicast_settings.ensure_length(1, 1);
         * writer_qos.multi_channel.channels.get_at(1).
         *  multicast_settings.get_at(0).receive_address = "239.255.0.3";
         * writer_qos.multi_channel.channels.get_at(2).
         *  filter_expression = "Symbol MATCH '[G-I]*'";
         * writer_qos.multi_channel.channels.get_at(2).
         *  multicast_settings.ensure_length(1, 1);
         * writer_qos.multi_channel.channels.get_at(2).
         *  multicast_settings.get_at(0).receive_address = "239.255.0.4";
         * writer_qos.multi_channel.channels.get_at(3).
         *  filter_expression = "Symbol MATCH '[J-L]*'";
         * writer_qos.multi_channel.channels.get_at(3).
         *  multicast_settings.ensure_length(1, 1);
         * writer_qos.multi_channel.channels.get_at(3).
         *  multicast_settings.get_at(0).receive_address = "239.255.0.5";
         * writer_qos.multi_channel.channels.get_at(4).
         *  filter_expression = "Symbol MATCH '[M-O]*'";
         * writer_qos.multi_channel.channels.get_at(4).
         *  multicast_settings.ensure_length(1, 1);
         * writer_qos.multi_channel.channels.get_at(4).
         *  multicast_settings.get_at(0).receive_address = "239.255.0.6";
         * writer_qos.multi_channel.channels.get_at(5).
         *  filter_expression = "Symbol MATCH '[P-S]*'";
         * writer_qos.multi_channel.channels.get_at(5).
         *  multicast_settings.ensure_length(1, 1);
         * writer_qos.multi_channel.channels.get_at(5).
         *  multicast_settings.get_at(0).receive_address = "239.255.0.7";
         * writer_qos.multi_channel.channels.get_at(6).
         *  filter_expression = "Symbol MATCH '[T-V]*'";
         * writer_qos.multi_channel.channels.get_at(6).
         *  multicast_settings.ensure_length(1, 1);
         * writer_qos.multi_channel.channels.get_at(6).
         *  multicast_settings.get_at(0).receive_address = "239.255.0.8";
         * writer_qos.multi_channel.channels.get_at(7).
         *  filter_expression = "Symbol MATCH '[W-Z]*'";
         * writer_qos.multi_channel.channels.get_at(7).
         *  multicast_settings.ensure_length(1, 1);
         * writer_qos.multi_channel.channels.get_at(7).
         *  multicast_settings.get_at(0).receive_address = "239.255.0.9";
         */
        // --- Create writer --- //

        /* To customize data writer QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        /* toggle between writer_qos and DDS_DATAWRITER_QOS_DEFAULT to alternate
         * between using code and using XML to specify the Qos */
        DDS.DataWriter writer = publisher.create_datawriter(
            topic,
            /* writer_qos */ DDS.Publisher.DATAWRITER_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (writer == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_datawriter error");
        }

        market_dataDataWriter market_data_writer =
            (market_dataDataWriter)writer;

        /* End changes for MultiChannel */

        // --- Write --- //

        /* Create data sample for writing */
        market_data instance = market_dataTypeSupport.create_data();

        if (instance == null)
        {
            shutdown(participant);
            throw new ApplicationException(
                      "market_dataTypeSupport.create_data error");
        }

        /* For a data type that has a key, if the same instance is going to be
         * written multiple times, initialize the key here
         * and register the keyed instance prior to writing */
        DDS.InstanceHandle_t instance_handle = DDS.InstanceHandle_t.HANDLE_NIL;

        /*
         * instance_handle = market_data_writer.register_instance(instance);
         */

        /* Changes for MultiChannel */
        const System.Int32 send_period = 100; // milliseconds

        /* Main loop */
        for (int count = 0;
             (sample_count == 0) || (count < sample_count);
             ++count)
        {
            /* Console.WriteLine("Writing market_data, count {0}", count); */

            /* Changes for MultiChannel */
            /* Modify the data to be sent here */
            char[] SymbolBuffer = { (char)('A' + (char)(count % 26)) };
            String Symbol       = new String(SymbolBuffer);
            instance.Symbol = Symbol;
            instance.Price  = count;


            try {
                market_data_writer.write(instance, ref instance_handle);
            } catch (DDS.Exception e) {
                Console.WriteLine("write error {0}", e);
            }

            System.Threading.Thread.Sleep(send_period);
        }

        /*
         * try {
         *  market_data_writer.unregister_instance(
         *      instance, ref instance_handle);
         * } catch(DDS.Exception e) {
         *  Console.WriteLine("unregister instance error: {0}", e);
         * }
         */

        // --- Shutdown --- //

        /* Delete data sample */
        try {
            market_dataTypeSupport.delete_data(instance);
        } catch (DDS.Exception e) {
            Console.WriteLine(
                "market_dataTypeSupport.delete_data error: {0}", e);
        }

        /* Delete all entities */
        shutdown(participant);
    }
示例#17
0
    static void publish(int domain_id, int sample_count)
    {
        /* There are several different approaches for loading QoS profiles from
         * XML files (see Configuring QoS with XML chapter in the RTI Connext
         * Core Libraries and Utilities User's Manual). In this example we
         * illustrate two of them:
         *
         * 1) Creating a file named USER_QOS_PROFILES.xml, which is loaded,
         * automatically by the DomainParticipantFactory. In this case, the file
         * defines a QoS profile named volatile_profile that configures reliable,
         * volatile DataWriters and DataReaders.
         *
         * 2) Adding XML documents to the DomainParticipantFactory using its
         * Profile QoSPolicy (DDS Extension). In this case, we add
         * my_custom_qos_profiles.xml to the url_profile sequence, which stores
         * the URLs of all the XML documents with QoS policies that are loaded
         * by the DomainParticipantFactory aside from the ones that are
         * automatically loaded.
         * my_custom_qos_profiles.xml defines a QoS profile named
         * transient_local_profile that configures reliable, transient local
         * DataWriters and DataReaders.
         */

        /* To load my_custom_qos_profiles.xml, as explained above, we need to
         * modify the  DDSTheParticipantFactory Profile QoSPolicy */

        DDS.DomainParticipantFactoryQos factory_qos =
            new DDS.DomainParticipantFactoryQos();
        DDS.DomainParticipantFactory.get_instance().get_qos(factory_qos);

        /* We are only going to add one XML file to the url_profile sequence,
         * so we ensure a length of 1,1. */
        factory_qos.profile.url_profile.ensure_length(1, 1);

        /* The XML file will be loaded from the working directory. That means,
         * you need to run the example like this:
         * ./objs/<architecture>/profiles_publisher
         * (see README.txt for more information on how to run the example).
         *
         * Note that you can specify the absolute path of the XML QoS file to
         * avoid this problem.
         */

        factory_qos.profile.url_profile.set_at(0,
                                               "file://my_custom_qos_profiles.xml");
        DDS.DomainParticipantFactory.get_instance().set_qos(factory_qos);


        // --- Create participant --- //

        /* Our default Qos profile, volatile_profile, sets the participant name.
         * This is the only participant_qos policy that we change in our
         * example. As this is done in the default QoS profile, we don't need
         * to specify its name, so we can create the participant using the
         * create_participant() method rather than using
         * create_participant_with_profile().  */
        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 publisher --- //

        /* We haven't changed the publisher_qos in any of QoS profiles we use in
         * this example, so we can just use the create_publisher() method. If
         * you want to load an specific profile in which you may have changed
         * the publisher_qos, use the create_publisher_with_profile() method. */
        DDS.Publisher publisher = participant.create_publisher(
            DDS.DomainParticipant.PUBLISHER_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (publisher == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_publisher error");
        }

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

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

        /* We haven't changed the topic_qos in any of QoS profiles we use in
         * this example, so we can just use the create_topic() method. If you
         * want to load an specific profile in which you may have changed the
         * topic_qos, use the create_topic_with_profile() method. */
        DDS.Topic topic = participant.create_topic(
            "Example profiles",
            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 writers --- //

        /* Volatile writer -- As volatile_profile is the default qos profile
        * we don't need to specify the profile we are going to use, we can
        * just call create_datawriter passing DDS_DATAWRITER_QOS_DEFAULT. */
        DDS.DataWriter writer_volatile = publisher.create_datawriter(
            topic,
            DDS.Publisher.DATAWRITER_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (writer_volatile == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_datawriter error");
        }

        /* Transient Local writer -- In this case we use
         * create_datawriter_with_profile, because we have to use a profile
         * other than the default one. This profile has been defined in
         * my_custom_qos_profiles.xml, but since we already loaded the XML file
         * we don't need to specify anything else. */

        DDS.DataWriter writer_transient_local = publisher.create_datawriter(
            topic,
            DDS.Publisher.DATAWRITER_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (writer_transient_local == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_datawriter error");
        }

        profilesDataWriter profiles_writer_volatile =
            (profilesDataWriter)writer_volatile;

        profilesDataWriter profiles_writer_transient_local =
            (profilesDataWriter)writer_transient_local;

        // --- Write --- //

        /* Create data sample for writing */
        profiles instance = profilesTypeSupport.create_data();

        if (instance == null)
        {
            shutdown(participant);
            throw new ApplicationException(
                      "profilesTypeSupport.create_data error");
        }

        /* For a data type that has a key, if the same instance is going to be
         * written multiple times, initialize the key here
         * and register the keyed instance prior to writing */
        DDS.InstanceHandle_t instance_handle = DDS.InstanceHandle_t.HANDLE_NIL;

        /*
         * instance_handle = profiles_writer.register_instance(instance);
         */

        /* Main loop */
        const System.Int32 send_period = 1000; // milliseconds

        for (int count = 0;
             (sample_count == 0) || (count < sample_count);
             ++count)
        {
            Console.WriteLine("Writing profiles, count {0}", count);

            /* Modify the data to be sent here */
            instance.profile_name = "volatile_profile";
            instance.x            = count;

            Console.WriteLine("Writing profile_name = " + instance.profile_name
                              + "\t x = " + instance.x);
            try {
                profiles_writer_volatile.write(instance, ref instance_handle);
            }
            catch (DDS.Exception e) {
                Console.WriteLine("write volatile error {0}", e);
            }

            instance.profile_name = "transient_local_profile";
            instance.x            = count;

            Console.WriteLine("Writing profile_name = " + instance.profile_name
                              + "\t x = " + instance.x + "\n");

            try
            {
                profiles_writer_transient_local.write(instance,
                                                      ref instance_handle);
            }
            catch (DDS.Exception e)
            {
                Console.WriteLine("write transient local error {0}", e);
            }

            System.Threading.Thread.Sleep(send_period);
        }

        /*
         * try {
         *  profiles_writer.unregister_instance(
         *      instance, ref instance_handle);
         * } catch(DDS.Exception e) {
         *  Console.WriteLine("unregister instance error: {0}", e);
         * }
         */

        // --- Shutdown --- //

        /* Delete data sample */
        try {
            profilesTypeSupport.delete_data(instance);
        } catch (DDS.Exception e) {
            Console.WriteLine(
                "profilesTypeSupport.delete_data error: {0}", e);
        }

        /* Delete all entities */
        shutdown(participant);
    }
示例#18
0
 public override void on_offered_deadline_missed(
     DDS.DataWriter writer,
     ref DDS.OfferedDeadlineMissedStatus status)
 {
     Console.Write("DataWriterListener: on_offered_deadline_missed");
 }
        static void publish(int domain_id, String file_name)
        {
            // --- Create participant --- //

            /* To customize 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,
                    DDS.StatusMask.STATUS_MASK_NONE);
            if (participant == null)
            {
                shutdown(participant);
                throw new ApplicationException("create_participant error");
            }

            // --- Create publisher --- //

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

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

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

            /* To customize topic QoS, use
             * the configuration file USER_QOS_PROFILES.xml */
            DDS.Topic topic = participant.create_topic(
                "Raw SensorData",
                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 writer --- //

            /* To customize data writer QoS, use
             * the configuration file USER_QOS_PROFILES.xml */
            DDS.DataWriter writer = publisher.create_datawriter(
                topic,
                DDS.Publisher.DATAWRITER_QOS_DEFAULT,
                null /* listener */,
                DDS.StatusMask.STATUS_MASK_NONE);
            if (writer == null)
            {
                shutdown(participant);
                throw new ApplicationException("create_datawriter error");
            }
            SensorDataDataWriter SensorData_writer =
                (SensorDataDataWriter)writer;

            // --- Write --- //

            /* Create data sample for writing */
            SensorData instance = SensorDataTypeSupport.create_data();

            if (instance == null)
            {
                shutdown(participant);
                throw new ApplicationException(
                          "SensorDataTypeSupport.create_data error");
            }

            /* For a data type that has a key, if the same instance is going to be
             * written multiple times, initialize the key here
             * and register the keyed instance prior to writing */
            DDS.InstanceHandle_t instance_handle = DDS.InstanceHandle_t.HANDLE_NIL;

            //wait for all data-readers to join before publishing:
            while (!wait_for_readers(writer, no_dr))
            {
            }
            System.Threading.Thread.Sleep(1000);
            Console.WriteLine("datareaders have connected. starting to publish");
            bool myparse = true;

            /* Main loop */
            using (StreamReader sReader = new StreamReader(file_name))
            {
                String line;
                publication_sw.Start();
                start_ticks = publication_sw.ElapsedTicks;
                prev_ticks  = start_ticks;
                int[] ballSensors = { 4, 8, 10, 12 };

                while ((line = sReader.ReadLine()) != null && count < max_samples)
                {
                    try
                    {
                        linesRead++;
                        if (myparse)
                        {
                            int pos = 0;
                            instance.sensor_id = myParseInt32(line, ref pos);
                            //if (ballSensors.Contains(instance.sensor_id))
                            //    continue;
                            instance.ts      = myParseLong(line, ref pos);
                            instance.pos_x   = myParseInt32(line, ref pos);
                            instance.pos_y   = myParseInt32(line, ref pos);
                            instance.pos_z   = myParseInt32(line, ref pos);
                            instance.vel     = myParseInt32(line, ref pos);
                            instance.accel   = myParseInt32(line, ref pos);
                            instance.vel_x   = myParseInt32(line, ref pos);
                            instance.vel_y   = myParseInt32(line, ref pos);
                            instance.vel_z   = myParseInt32(line, ref pos);
                            instance.accel_x = myParseInt32(line, ref pos);
                            instance.accel_y = myParseInt32(line, ref pos);
                            instance.accel_z = myParseInt32(line, ref pos);

                            /*
                             * Console.WriteLine("{0},{1},{2},{3},{4},{5},{6},{7},{8},{9},{10},{11},{12}",
                             *  instance.sensor_id,
                             *  instance.ts,
                             *  instance.pos_x,
                             *  instance.pos_y,
                             *  instance.pos_z,
                             *  instance.vel,
                             *  instance.accel,
                             *  instance.vel_x,
                             *  instance.vel_y,
                             *  instance.vel_z,
                             *  instance.accel_x,
                             *  instance.accel_y,
                             *  instance.accel_z);
                             */
                        }
                        else
                        {
                            String[] fields = line.Split(',');

                            instance.sensor_id = Int32.Parse(fields[0]);
                            if (ballSensors.Contains(instance.sensor_id))
                            {
                                continue;
                            }

                            instance.ts      = Int64.Parse(fields[1]);
                            instance.pos_x   = Int32.Parse(fields[2]);
                            instance.pos_y   = Int32.Parse(fields[3]);
                            instance.pos_z   = Int32.Parse(fields[4]);
                            instance.vel     = Int32.Parse(fields[5]);
                            instance.accel   = Int32.Parse(fields[6]);
                            instance.vel_x   = Int32.Parse(fields[7]);
                            instance.vel_y   = Int32.Parse(fields[8]);
                            instance.vel_z   = Int32.Parse(fields[9]);
                            instance.accel_x = Int32.Parse(fields[10]);
                            instance.accel_y = Int32.Parse(fields[11]);
                            instance.accel_z = Int32.Parse(fields[12]);
                        }
                        count++;
                        SensorData_writer.write(instance, ref instance_handle);
                        if (count % calculation_point == 0)
                        {
                            long curr_ticks = publication_sw.ElapsedTicks;
                            ncalcs++;
                            long lapse_ticks = curr_ticks - prev_ticks;

                            double lapse_msec = (double)lapse_ticks * ns_per_tick / (1000.0 * 1000.0);
                            sum_lapse_msec += lapse_msec;
                            if (lapse_msec < min_lapse)
                            {
                                min_lapse = lapse_msec;
                            }
                            if (lapse_msec > max_lapse)
                            {
                                max_lapse = lapse_msec;
                            }
                            prev_ticks = curr_ticks;

                            Console.WriteLine("Took {0} millisec to send next {1} samples: {2}",
                                              lapse_msec, calculation_point, count);

                            double rate = (double)(calculation_point * 1000L * 1000L * 1000L) / (double)(lapse_ticks * ns_per_tick);
                            if (rate < min_rate)
                            {
                                min_rate = rate;
                            }
                            if (rate > max_rate)
                            {
                                max_rate = rate;
                            }
                            Console.WriteLine("publishing rate:{0} samples/sec", rate);
                        }
                    }
                    catch (DDS.Exception e)
                    {
                        Console.WriteLine("write error {0}", e);
                    }

                    if ((target_rate != 0) && (count % 1000 == 0))
                    {
                        //double calib = 0.7;
                        //if(calibrationDict.ContainsKey(target_rate))
                        //    calib = calibrationDict[target_rate];

                        System.Threading.Thread.Sleep(1000 * 1000 / target_rate * 30 / 100);
                    }
                }
                end_ticks = publication_sw.ElapsedTicks;
                publication_sw.Stop();
            }

            Console.WriteLine("Playback finished.. " + count);
            // --- Shutdown --- //
            double total_time_ms = (end_ticks - start_ticks) * ns_per_tick / 1000 / 1000;
            double rate_pub      = (double)count / total_time_ms;

            Console.WriteLine("Target rate = {0} samples/sec.", target_rate);
            Console.WriteLine("Overall Publication Rate Observed: {0} per sec", rate_pub * 1000);
            Console.WriteLine("total time for playback in seconds: {0}", total_time_ms / 1000);
            Console.WriteLine("lines read = {0}, samples written = {1}", linesRead, count);

            /* Delete data sample */
            try {
                SensorData_writer.dispose(instance, ref instance_handle);
                System.Threading.Thread.Sleep(10000);
                SensorDataTypeSupport.delete_data(instance);
            }
            catch (DDS.Exception e) {
                Console.WriteLine(
                    "SensorDataTypeSupport.delete_data error: {0}", e);
            }

            Console.WriteLine("Press enter to exit");
            Console.ReadLine();
            using (StreamWriter file = new StreamWriter("publisher_output.txt"))
            {
                file.WriteLine("Publisher summary statistics:\n");
                file.WriteLine("Sent {0} samples in {1} seconds", count, total_time_ms / 1000);
                file.WriteLine("\nAverage rate of publishing: {0} samples/sec", count / total_time_ms / 1000);
                file.WriteLine("Max publishing rate:{0} samples/sec.", max_rate);
                file.WriteLine("Min publishing rate:{0} samples/sec.", min_rate);

                file.WriteLine("\nAverage time taken to publish 10000 samples: {0} sec", (sum_lapse_msec) / (double)ncalcs);
                file.WriteLine("Max time to publish 10000 samples:{0} sec.", max_lapse);
                file.WriteLine("Min time to publish 10000 samples:{0} sec.", min_lapse);
            }

            /* Delete all entities */
            shutdown(participant);
        }
示例#20
0
 public override void on_liveliness_lost(
     DDS.DataWriter writer,
     ref DDS.LivelinessLostStatus status)
 {
     Console.Write("DataWriterListener: on_liveliness_lost");
 }
示例#21
0
    static void publish(int domain_id, int sample_count)
    {
        // --- Create participant --- //

        /* To customize 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 publisher --- //

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

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

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

        /* Start changes for Ordered Presentation Group example */
        /* TOPICS */

        /* To customize topic QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.Topic topic1 = participant.create_topic(
            "Topic1",
            type_name,
            DDS.DomainParticipant.TOPIC_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (topic1 == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_topic error");
        }

        /* To customize topic QoS, use
         *      the configuration file USER_QOS_PROFILES.xml */
        DDS.Topic topic2 = participant.create_topic(
            "Topic2",
            type_name,
            DDS.DomainParticipant.TOPIC_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (topic2 == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_topic error");
        }

        /* To customize topic QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.Topic topic3 = participant.create_topic(
            "Topic3",
            type_name,
            DDS.DomainParticipant.TOPIC_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (topic3 == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_topic error");
        }

        /* DATAWRITERS */

        /* To customize data writer QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.DataWriter writer1 = publisher.create_datawriter(
            topic1,
            DDS.Publisher.DATAWRITER_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (writer1 == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_datawriter error");
        }
        ordered_groupDataWriter ordered_group_writer1 =
            (ordered_groupDataWriter)writer1;


        DDS.DataWriter writer2 = publisher.create_datawriter(
            topic2,
            DDS.Publisher.DATAWRITER_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (writer2 == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_datawriter error");
        }
        ordered_groupDataWriter ordered_group_writer2 =
            (ordered_groupDataWriter)writer2;

        DDS.DataWriter writer3 = publisher.create_datawriter(
            topic3,
            DDS.Publisher.DATAWRITER_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (writer3 == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_datawriter error");
        }
        ordered_groupDataWriter ordered_group_writer3 =
            (ordered_groupDataWriter)writer3;

        // --- Write --- //

        /* Instances */

        ordered_group instance1 = ordered_groupTypeSupport.create_data();

        if (instance1 == null)
        {
            shutdown(participant);
            throw new ApplicationException(
                      "ordered_groupTypeSupport.create_data error");
        }

        ordered_group instance2 = ordered_groupTypeSupport.create_data();

        if (instance2 == null)
        {
            shutdown(participant);
            throw new ApplicationException(
                      "ordered_groupTypeSupport.create_data error");
        }
        ordered_group instance3 = ordered_groupTypeSupport.create_data();

        if (instance3 == null)
        {
            shutdown(participant);
            throw new ApplicationException(
                      "ordered_groupTypeSupport.create_data error");
        }

        /* End changes for Ordered Presentation Example */

        /* For a data type that has a key, if the same instance is going to be
         * written multiple times, initialize the key here
         * and register the keyed instance prior to writing */
        DDS.InstanceHandle_t instance_handle = DDS.InstanceHandle_t.HANDLE_NIL;

        /*
         * instance_handle = ordered_group_writer.register_instance(instance);
         */

        /* Main loop */
        const System.Int32 send_period = 1000; // milliseconds

        for (int count = 0;
             (sample_count == 0) || (count < sample_count);
             ++count)
        {
            Console.WriteLine("Writing ordered_group, count {0}", count);

            /* Start changes for Ordered Presentation Example */
            /* Modify the data to be sent here */
            /* Instance 1 */
            instance1.message = "First sample, Topic 1 by DataWriter number 1";
            try {
                ordered_group_writer1.write(instance1, ref instance_handle);
            }
            catch (DDS.Exception e) {
                Console.WriteLine("write error {0}", e);
            }

            instance1.message = "Second sample, Topic 1 by DataWriter number 1";
            try {
                ordered_group_writer1.write(instance1, ref instance_handle);
            }
            catch (DDS.Exception e) {
                Console.WriteLine("write error {0}", e);
            }

            /* Instance 2 */
            instance2.message = "First sample, Topic 2 by DataWriter number 2";
            try {
                ordered_group_writer2.write(instance2, ref instance_handle);
            }
            catch (DDS.Exception e) {
                Console.WriteLine("write error {0}", e);
            }

            instance2.message = "Second sample, Topic 2 by DataWriter number 2";
            try {
                ordered_group_writer2.write(instance2, ref instance_handle);
            }
            catch (DDS.Exception e) {
                Console.WriteLine("write error {0}", e);
            }

            /* Instance 3 */
            instance3.message = "First sample, Topic 3 by DataWriter number 3";
            try {
                ordered_group_writer3.write(instance3, ref instance_handle);
            }
            catch (DDS.Exception e) {
                Console.WriteLine("write error {0}", e);
            }

            instance3.message = "Second sample, Topic 3 by DataWriter number 3";
            try {
                ordered_group_writer3.write(instance3, ref instance_handle);
            }
            catch (DDS.Exception e) {
                Console.WriteLine("write error {0}", e);
            }

            System.Threading.Thread.Sleep(send_period);
        }

        /*
         * try {
         *  ordered_group_writer.unregister_instance(
         *      instance, ref instance_handle);
         * } catch(DDS.Exception e) {
         *  Console.WriteLine("unregister instance error: {0}", e);
         * }
         */

        // --- Shutdown --- //

        /* Delete data sample */
        try {
            ordered_groupTypeSupport.delete_data(instance1);
            ordered_groupTypeSupport.delete_data(instance2);
            ordered_groupTypeSupport.delete_data(instance3);
        } catch (DDS.Exception e) {
            Console.WriteLine(
                "ordered_groupTypeSupport.delete_data error: {0}", e);
        }

        /* Delete all entities */
        shutdown(participant);
    }
示例#22
0
    static void publish(int domain_id, int sample_count, Route routeIn, Route.Bus busIn)
    {
        Random random       = new Random();
        int    randomNumber = random.Next(0, 100);

        // --- Create participant --- //

        /* To customize 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 publisher --- //

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

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

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

        /* To customize topic QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.Topic atopic = participant.create_topic(
            "P3464_BHANDERSON: PT/ALR/ACC",
            atype_name,
            DDS.DomainParticipant.TOPIC_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        DDS.Topic ptopic = participant.create_topic(
            "P3464_BHANDERSON: PT/POS",
            ptype_name,
            DDS.DomainParticipant.TOPIC_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);

        if (atopic == null || ptopic == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_topic error");
        }


        // --- Create writer --- //

        /* To customize data writer QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.DataWriter awriter = publisher.create_datawriter(
            atopic,
            DDS.Publisher.DATAWRITER_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        DDS.DataWriter pwriter = publisher.create_datawriter(
            ptopic,
            DDS.Publisher.DATAWRITER_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);

        if (awriter == null || pwriter == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_datawriter error");
        }
        AccidentDataWriter Accident_writer =
            (AccidentDataWriter)awriter;
        PositionDataWriter Position_writer =
            (PositionDataWriter)pwriter;
        // --- Write --- //

        /* Create data sample for writing */
        Accident ainstance = AccidentTypeSupport.create_data();
        Position pinstance = PositionTypeSupport.create_data();

        if (ainstance == null || pinstance == null)
        {
            shutdown(participant);
            throw new ApplicationException(
                      "(Accident|Position)TypeSupport.create_data error");
        }

        /* For a data type that has a key, if the same instance is going to be
         * written multiple times, initialize the key here
         * and register the keyed instance prior to writing */
        DDS.InstanceHandle_t instance_handle = DDS.InstanceHandle_t.HANDLE_NIL;

        /*
         * instance_handle = Accident_writer.register_instance(instance);
         */



        int numPasses = 0;
        /* Main loop */
        int send_period = 4000; // milliseconds

        for (int count = 0;
             (sample_count == 0) || (count < sample_count);
             ++count)
        {
            if (count % routeIn.numStops == 0)
            {
                numPasses++;
            }
            if (numPasses > 3)
            {
                break;
            }

            Console.WriteLine("Writing Accident|Position, count {0}", count);

            /* Modify the data to be sent here */

            int traffic = random.Next(0, 100);
            if (traffic <= 25) // light 25%
            {
                pinstance.trafficConditions = "light";
                pinstance.timeBetweenStops  = (int)(Math.Ceiling(routeIn.timeBetweenStops * .75));
            }
            else if (traffic <= 50) // heavy 25%
            {
                pinstance.trafficConditions = "heavy";
                pinstance.timeBetweenStops  = (int)(routeIn.timeBetweenStops + Math.Ceiling(routeIn.timeBetweenStops * .25));
            }
            else // normal 50%
            {
                pinstance.trafficConditions = "normal";
                pinstance.timeBetweenStops  = routeIn.timeBetweenStops;
            }

            ainstance.timestamp  = DateTime.Now.ToString();
            ainstance.route      = routeIn.name;
            ainstance.vehicle    = busIn.id;
            ainstance.stopNumber = busIn.stop;

            pinstance.timestamp   = DateTime.Now.ToString();
            pinstance.route       = routeIn.name;
            pinstance.vehicle     = busIn.id;
            pinstance.stopNumber  = busIn.stop;
            pinstance.numStops    = routeIn.numStops;
            pinstance.fillInRatio = random.Next(0, 100);

            int aOccurs = random.Next(0, 100);

            if (aOccurs <= 10)
            {
                try
                {
                    Accident_writer.write(ainstance, ref instance_handle);
                }
                catch (DDS.Exception e)
                {
                    Console.WriteLine("write error {0}", e);
                }
                pinstance.timeBetweenStops += 10;
            }

            send_period = pinstance.timeBetweenStops * 1000; // threads use milliseconds

            busIn.stop = (busIn.stop % routeIn.numStops) + 1;

            try
            {
                Position_writer.write(pinstance, ref instance_handle);
            }
            catch (DDS.Exception e)
            {
                Console.WriteLine("write error {0}", e);
            }

            System.Threading.Thread.Sleep(send_period);
        }

        /*
         * try {
         *  Accident_writer.unregister_instance(
         *      instance, ref instance_handle);
         * } catch(DDS.Exception e) {
         *  Console.WriteLine("unregister instance error: {0}", e);
         * }
         */

        // --- Shutdown --- //

        /* Delete data sample */
        try
        {
            AccidentTypeSupport.delete_data(ainstance);
            PositionTypeSupport.delete_data(pinstance);
        }
        catch (DDS.Exception e)
        {
            Console.WriteLine(
                "(Accident|Position)TypeSupport.delete_data error: {0}", e);
        }

        /* Delete all entities */
        shutdown(participant);
    }
示例#23
0
    static void publish(int domain_id, int sample_count)
    {
        // --- Create participant --- //

        /* To customize 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");
        }

        /* If you want to change the type_code_max_serialized_length
         * programmatically (e.g., to 3070) rather than using the XML file, you
         * will need to add the following lines to your code and comment out the
         * create_participant call above. */

        /*
         * DDS.DomainParticipantQos participant_qos =
         *  new DDS.DomainParticipantQos();
         * try {
         *  DDS.DomainParticipantFactory.get_instance().
         *      get_default_participant_qos(participant_qos);
         *
         * } catch (DDS.Exception) {
         *  Console.WriteLine("error in participant_qos");
         * }
         *
         * participant_qos.resource_limits.type_code_max_serialized_length = 3070;
         *
         * try {
         *  DDS.DomainParticipantFactory.get_instance().delete_participant(
         *      ref participant);
         * }
         * catch (DDS.Exception) {
         *  Console.WriteLine("error deleting participant");
         * }
         *
         * participant =
         *  DDS.DomainParticipantFactory.get_instance().create_participant(
         *  domain_id, participant_qos, null, DDS.StatusMask.STATUS_MASK_NONE);
         */

        // --- Create publisher --- //

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

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

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

        /* To customize topic QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.Topic topic = participant.create_topic(
            "Example msg",
            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 writer --- //

        /* To customize data writer QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.DataWriter writer = publisher.create_datawriter(
            topic,
            DDS.Publisher.DATAWRITER_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (writer == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_datawriter error");
        }
        msgDataWriter msg_writer =
            (msgDataWriter)writer;

        // --- Write --- //

        /* Create data sample for writing */
        msg instance = msgTypeSupport.create_data();

        if (instance == null)
        {
            shutdown(participant);
            throw new ApplicationException(
                      "msgTypeSupport.create_data error");
        }

        /* For a data type that has a key, if the same instance is going to be
         * written multiple times, initialize the key here
         * and register the keyed instance prior to writing */
        DDS.InstanceHandle_t instance_handle = DDS.InstanceHandle_t.HANDLE_NIL;

        /*
         * instance_handle = msg_writer.register_instance(instance);
         */

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

        for (int count = 0;
             (sample_count == 0) || (count < sample_count);
             ++count)
        {
            Console.WriteLine("Writing msg, count {0}", count);

            /* Modify the data to be sent here */
            instance.count = count;

            try {
                msg_writer.write(instance, ref instance_handle);
            }
            catch (DDS.Exception e) {
                Console.WriteLine("write error {0}", e);
            }

            System.Threading.Thread.Sleep(send_period);
        }

        /*
         * try {
         *  msg_writer.unregister_instance(
         *      instance, ref instance_handle);
         * } catch(DDS.Exception e) {
         *  Console.WriteLine("unregister instance error: {0}", e);
         * }
         */

        // --- Shutdown --- //

        /* Delete data sample */
        try {
            msgTypeSupport.delete_data(instance);
        } catch (DDS.Exception e) {
            Console.WriteLine(
                "msgTypeSupport.delete_data error: {0}", e);
        }

        /* Delete all entities */
        shutdown(participant);
    }
    static void publish(int domain_id, int sample_count)
    {
        // --- Create participant --- //

        /* To customize 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 publisher --- //

        /* To customize publisher QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.Publisher publisher = participant.create_publisher_with_profile(
            "ordered_Library", "ordered_Profile_subscriber_instance",
            null /* listener */, DDS.StatusMask.STATUS_MASK_NONE);
        if (publisher == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_publisher error");
        }


        /* If you want to change the Publisher's QoS programmatically rather
         * than using the XML file, you will need to add the following lines to
         * your code and comment out the create_publisher call above.
         *
         * In this case, we set the presentation publish mode ordered in the
         * topic.
         */

        /* Get default publisher QoS to customize */

/*        DDS.PublisherQos publisher_qos = new DDS.PublisherQos();
 *      participant.get_default_publisher_qos(publisher_qos);
 *
 *      publisher_qos.presentation.access_scope =
 *          DDS.PresentationQosPolicyAccessScopeKind.TOPIC_PRESENTATION_QOS;
 *      publisher_qos.presentation.ordered_access = true;
 *
 *      // --- Create publisher --- //
 *
 *      DDS.Publisher publisher = participant.create_publisher(
 *      publisher_qos, null, DDS.StatusMask.STATUS_MASK_NONE);
 *      if (publisher == null) {
 *          shutdown(participant);
 *          throw new ApplicationException("create_publisher error");
 *      }
 */
        // --- Create topic --- //

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

        /* To customize topic QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.Topic topic = participant.create_topic(
            "Example ordered",
            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 writer --- //

        /* To customize data writer QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.DataWriter writer = publisher.create_datawriter(
            topic,
            DDS.Publisher.DATAWRITER_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (writer == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_datawriter error");
        }
        orderedDataWriter ordered_writer =
            (orderedDataWriter)writer;

        /* Start changes for Ordered_Presentation */

        /* Create two instances */
        ordered instance0 = null;
        ordered instance1 = null;

        DDS.InstanceHandle_t handle0 = DDS.InstanceHandle_t.HANDLE_NIL;
        DDS.InstanceHandle_t handle1 = DDS.InstanceHandle_t.HANDLE_NIL;



        // --- Write --- //

        /* Create data sample for writing */
        instance0 = orderedTypeSupport.create_data();
        if (instance0 == null)
        {
            shutdown(participant);
            throw new ApplicationException(
                      "orderedTypeSupport.create_data error");
        }

        instance1 = orderedTypeSupport.create_data();
        if (instance1 == null)
        {
            shutdown(participant);
            throw new ApplicationException(
                      "orderedTypeSupport.create_data error");
        }

        /* For a data type that has a key, if the same instance is going to be
         * written multiple times, initialize the key here
         * and register the keyed instance prior to writing */
        instance0.id = 0;
        instance1.id = 1;

        handle0 = ordered_writer.register_instance(instance0);
        handle1 = ordered_writer.register_instance(instance1);

        /* Main loop */
        const System.Int32 send_period = 1000; // milliseconds

        for (int count = 0;
             (sample_count == 0) || (count < sample_count);
             ++count)
        {
            instance0.value = count;
            instance1.value = count;

            Console.WriteLine("writing instance0, value->{0}", instance0.value);
            try {
                ordered_writer.write(instance0, ref handle0);
            } catch (DDS.Exception e) {
                Console.WriteLine("write instance0 error {0}", e);
            }

            Console.WriteLine("writing instance1, value->{0}", instance1.value);
            try {
                ordered_writer.write(instance1, ref handle1);
            } catch (DDS.Exception e) {
                Console.WriteLine("write instance1 error {0}", e);
            }

            System.Threading.Thread.Sleep(send_period);
        }


        try {
            ordered_writer.unregister_instance(
                instance0, ref handle0);
        } catch (DDS.Exception e) {
            Console.WriteLine("unregister instance0 error: {0}", e);
        }
        try {
            ordered_writer.unregister_instance(
                instance1, ref handle1);
        } catch (DDS.Exception e) {
            Console.WriteLine("unregister instance1 error: {0}", e);
        }

        // --- Shutdown --- //

        /* Delete data sample */
        try {
            orderedTypeSupport.delete_data(instance0);
        } catch (DDS.Exception e) {
            Console.WriteLine(
                "orderedTypeSupport.delete_data0 error: {0}", e);
        }
        try {
            orderedTypeSupport.delete_data(instance1);
        } catch (DDS.Exception e) {
            Console.WriteLine(
                "orderedTypeSupport.delete_data1 error: {0}", e);
        }

        /* Delete all entities */
        shutdown(participant);
    }
示例#25
0
 public override void on_offered_incompatible_qos(
     DDS.DataWriter writer,
     DDS.OfferedIncompatibleQosStatus status)
 {
     Console.Write("DataWriterListener: on_offered_incompatible_qos");
 }
    static void publish(int domain_id, int sample_count)
    {
        // --- Create participant --- //

        /* To customize 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 publisher --- //

        DDS.PublisherQos publisher_qos = new DDS.PublisherQos();
        participant.get_default_publisher_qos(publisher_qos);


        /* If you want to change the Partition name programmatically rather than
         * using the XML, you will need to add the following lines to your code
         * and comment out the create_publisher() call bellow.
         */
        /*
         * String[] partitions = { "ABC", "foo" };
         *
         * publisher_qos.partition.name.ensure_length(2, 2);
         * publisher_qos.partition.name.from_array(partitions);
         * DDS.Publisher publisher = participant.create_publisher(
         *                      publisher_qos,
         *                      null,
         *                      DDS.StatusMask.STATUS_MASK_NONE);
         *
         */
        DDS.Publisher publisher = participant.create_publisher(
            DDS.DomainParticipant.PUBLISHER_QOS_DEFAULT,
            null,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (publisher == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_publisher error");
        }

        Console.WriteLine("Setting partition to '{0}', '{1}'...",
                          publisher_qos.partition.name.get_at(0),
                          publisher_qos.partition.name.get_at(1));

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

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

        /* To customize topic QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.Topic topic = participant.create_topic(
            "Example partitions",
            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 writer --- //

        /* In this example we set a Reliable datawriter, with Transient Local
         * durability. By default we set up these QoS settings via XML. If you
         * want to to it programmatically, use the following code, and comment out
         * the create_datawriter call bellow.
         */

        /*
         * DDS.DataWriterQos writerQos = new DDS.DataWriterQos();
         * publisher.get_default_datawriter_qos(writerQos);
         *
         * writerQos.reliability.kind = DDS.ReliabilityQosPolicyKind.RELIABLE_RELIABILITY_QOS;
         * writerQos.history.depth = 3;
         * writerQos.history.kind = DDS.HistoryQosPolicyKind.KEEP_LAST_HISTORY_QOS;
         * writerQos.durability.kind = DDS.DurabilityQosPolicyKind.TRANSIENT_LOCAL_DURABILITY_QOS;
         *
         * DDS.DataWriter writer = publisher.create_datawriter(
         *  topic,
         *  writerQos,
         *  null,
         *  DDS.StatusMask.STATUS_MASK_NONE);
         */

        DDS.DataWriter writer = publisher.create_datawriter(
            topic,
            DDS.Publisher.DATAWRITER_QOS_DEFAULT,
            null,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (writer == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_datawriter error");
        }
        partitionsDataWriter partitions_writer =
            (partitionsDataWriter)writer;

        // --- Write --- //

        /* Create data sample for writing */
        partitions instance = partitionsTypeSupport.create_data();

        if (instance == null)
        {
            shutdown(participant);
            throw new ApplicationException(
                      "partitionsTypeSupport.create_data error");
        }

        /* For a data type that has a key, if the same instance is going to be
         * written multiple times, initialize the key here
         * and register the keyed instance prior to writing */
        DDS.InstanceHandle_t instance_handle = DDS.InstanceHandle_t.HANDLE_NIL;

        /*
         * instance_handle = partitions_writer.register_instance(instance);
         */

        /* Main loop */
        const System.Int32 send_period = 1000; // 1 second

        for (int count = 0;
             (sample_count == 0) || (count < sample_count);
             ++count)
        {
            Console.WriteLine("Writing partitions, count {0}", count);

            /* Modify the data to be sent here */
            instance.x = count;

            try
            {
                partitions_writer.write(instance, ref instance_handle);
            }
            catch (DDS.Exception e)
            {
                Console.WriteLine("write error {0}", e);
            }

            if ((count + 1) % 25 == 0)
            {
                // Matches "ABC" -- name[1] here can match name[0] there,
                // as long as there is some overlapping name
                publisher_qos.partition.name.set_at(0, "zzz");
                publisher_qos.partition.name.set_at(1, "A*C");
                Console.WriteLine("Setting partition to '{0}', '{1}'...",
                                  publisher_qos.partition.name.get_at(0),
                                  publisher_qos.partition.name.get_at(1));
                publisher.set_qos(publisher_qos);
            }
            else if ((count + 1) % 20 == 0)
            {
                // Strings that are regular expressions aren't tested for
                // literal matches, so this won't match "X*Z"
                publisher_qos.partition.name.set_at(0, "X*Z");
                Console.WriteLine("Setting partition to '{0}', '{1}'...",
                                  publisher_qos.partition.name.get_at(0),
                                  publisher_qos.partition.name.get_at(1));
                publisher.set_qos(publisher_qos);
            }
            else if ((count + 1) % 15 == 0)
            {
                // Matches "ABC"
                publisher_qos.partition.name.set_at(0, "A?C");
                Console.WriteLine("Setting partition to '{0}', '{1}'...",
                                  publisher_qos.partition.name.get_at(0),
                                  publisher_qos.partition.name.get_at(1));
                publisher.set_qos(publisher_qos);
            }
            else if ((count + 1) % 10 == 0)
            {
                // Matches "ABC"
                publisher_qos.partition.name.set_at(0, "A*");
                Console.WriteLine("Setting partition to '{0}', '{1}'...",
                                  publisher_qos.partition.name.get_at(0),
                                  publisher_qos.partition.name.get_at(1));
                publisher.set_qos(publisher_qos);
            }
            else if ((count + 1) % 5 == 0)
            {
                // No literal match for "bar"
                publisher_qos.partition.name.set_at(0, "bar");
                Console.WriteLine("Setting partition to '{0}', '{1}'...",
                                  publisher_qos.partition.name.get_at(0),
                                  publisher_qos.partition.name.get_at(1));
                publisher.set_qos(publisher_qos);
            }


            System.Threading.Thread.Sleep(send_period);
        }

        /*
         * try {
         *  partitions_writer.unregister_instance(
         *      instance, ref instance_handle);
         * } catch(DDS.Exception e) {
         *  Console.WriteLine("unregister instance error: {0}", e);
         * }
         */

        // --- Shutdown --- //

        /* Delete data sample */
        try
        {
            partitionsTypeSupport.delete_data(instance);
        }
        catch (DDS.Exception e)
        {
            Console.WriteLine(
                "partitionsTypeSupport.delete_data error: {0}", e);
        }

        /* Delete all entities */
        shutdown(participant);
    }
    static void publish(int domain_id, int sample_count)
    {
        // --- Create participant --- //

        /* To customize 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 publisher --- //

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

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

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

        /* To customize topic QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.Topic topic = participant.create_topic(
            "Example poll",
            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 writer --- //

        /* To customize data writer QoS, use
         * the configuration file USER_QOS_PROFILES.xml */
        DDS.DataWriter writer = publisher.create_datawriter(
            topic,
            DDS.Publisher.DATAWRITER_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (writer == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_datawriter error");
        }
        pollDataWriter poll_writer =
            (pollDataWriter)writer;

        // --- Write --- //

        /* Create data sample for writing */
        poll instance = pollTypeSupport.create_data();

        if (instance == null)
        {
            shutdown(participant);
            throw new ApplicationException(
                      "pollTypeSupport.create_data error");
        }

        /* For a data type that has a key, if the same instance is going to be
         * written multiple times, initialize the key here
         * and register the keyed instance prior to writing */
        DDS.InstanceHandle_t instance_handle = DDS.InstanceHandle_t.HANDLE_NIL;

        /*
         * instance_handle = poll_writer.register_instance(instance);
         */

        Random random = new Random();

        /* Main loop */
        const System.Int32 send_period = 1000; // milliseconds

        for (int count = 0;
             (sample_count == 0) || (count < sample_count);
             ++count)
        {
            Console.WriteLine("Writing poll, count {0}", count);

            /* Modify the data to be sent here */
            instance.x = (short)random.Next();

            try {
                poll_writer.write(instance, ref instance_handle);
            }
            catch (DDS.Exception e) {
                Console.WriteLine("write error {0}", e);
            }

            System.Threading.Thread.Sleep(send_period);
        }

        /*
         * try {
         *  poll_writer.unregister_instance(
         *      instance, ref instance_handle);
         * } catch(DDS.Exception e) {
         *  Console.WriteLine("unregister instance error: {0}", e);
         * }
         */

        // --- Shutdown --- //

        /* Delete data sample */
        try {
            pollTypeSupport.delete_data(instance);
        } catch (DDS.Exception e) {
            Console.WriteLine(
                "pollTypeSupport.delete_data error: {0}", e);
        }

        /* Delete all entities */
        shutdown(participant);
    }
示例#28
0
 public override void on_reliable_writer_cache_changed(
     DDS.DataWriter writer,
     ref DDS.ReliableWriterCacheChangedStatus status)
 {
     Console.WriteLine("DataWriterListener: on_reliable_writer_cache_changed()");
 }
示例#29
0
 public override void on_reliable_reader_activity_changed(
     DDS.DataWriter writer,
     ref DDS.ReliableReaderActivityChangedStatus status)
 {
     Console.WriteLine("DataWriterListener: on_reliable_reader_activity_changed()");
 }
示例#30
0
    static void publish(int domain_id, int sample_count)
    {
        // --- Create participant --- //

        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 publisher --- //

        DDS.Publisher publisher = participant.create_publisher(
            DDS.DomainParticipant.PUBLISHER_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (publisher == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_publisher error");
        }

        /* Create DynamicData using TypeCode from Shapes.cpp
         * If you are NOT using a type generated with rtiddsgen, you
         * need to create this TypeCode from scratch.
         */
        DDS.TypeCode type_code = ShapeType.get_typecode();
        if (type_code == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_typecode error");
        }

        /* Create the Dynamic data type support object */
        DDS.DynamicDataTypeSupport type_support =
            new DDS.DynamicDataTypeSupport(type_code,
                                           new DDS.DynamicDataTypeProperty_t());
        if (type_support == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_type_support error");
        }

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

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

        /* Make sure both publisher and subscriber share the same topic
         * name.
         * In the Shapes example: we are publishing a Square, which is the
         * topic name. If you want to publish other shapes (Triangle or
         * Circle), you just need to update the topic name. */
        DDS.Topic topic = participant.create_topic(
            "Square",
            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 writer --- //

        /* First, we create a generic DataWriter for our topic */
        DDS.DataWriter writer = publisher.create_datawriter(
            topic,
            DDS.Publisher.DATAWRITER_QOS_DEFAULT,
            null /* listener */,
            DDS.StatusMask.STATUS_MASK_NONE);
        if (writer == null)
        {
            shutdown(participant);
            throw new ApplicationException("create_datawriter error");
        }

        /* Then, to use DynamicData, we need to assign the generic
         * DataWriter to a DynamicDataWriter, using a casting. The follow
         * casting should never fail.
         */
        DDS.DynamicDataWriter DynamicData_writer =
            (DDS.DynamicDataWriter)writer;

        // --- Write --- //

        /* Create data sample for writing */
        DDS.DynamicData data = type_support.create_data();
        if (data == null)
        {
            shutdown(participant);
            throw new ApplicationException(
                      "ShapeTypeTypeSupport.create_data error");
        }


        /* For a data type that has a key, if the same instance is going to be
         * written multiple times, initialize the key here
         * and register the keyed instance prior to writing */
        DDS.InstanceHandle_t instance_handle = DDS.InstanceHandle_t.HANDLE_NIL;

        /*
         * instance_handle = ShapeType_writer.register_instance(instance);
         */


        /*** Shape direction variables ***/
        int direction  = 1;  /* 1 means left to right and -1, right to left */
        int x_position = 50; /* 50 is the initial position */

        /* Initialize the DynamicData object */
        data.set_string("color", DDS.DynamicData.MEMBER_ID_UNSPECIFIED, "BLUE");
        data.set_int("x", DDS.DynamicData.MEMBER_ID_UNSPECIFIED, x_position);
        data.set_int("y", DDS.DynamicData.MEMBER_ID_UNSPECIFIED, 100);
        data.set_int("shapesize", DDS.DynamicData.MEMBER_ID_UNSPECIFIED, 30);


        /* Main loop */
        const System.Int32 send_period = 100; // milliseconds

        for (int count = 0;
             (sample_count == 0) || (count < sample_count);
             ++count)
        {
            Console.WriteLine("Sending shapesize {0}", 30 + (count % 20));
            Console.WriteLine("Sending x position {0}", x_position);

            /* Modify the shapesize from 30 to 50 */
            try {
                data.set_int("shapesize", DDS.DynamicData.MEMBER_ID_UNSPECIFIED,
                             30 + (count % 20));
            } catch (DDS.Exception e) {
                Console.WriteLine("{0}\nError writing shapesize = {1}",
                                  e, 30 + (count % 20));
            }

            /* Modify the position */
            try {
                data.set_int("x", DDS.DynamicData.MEMBER_ID_UNSPECIFIED,
                             x_position);
            } catch (DDS.Exception e) {
                Console.WriteLine("{0}\nError writing x_position = {1}",
                                  e, x_position);
            }

            /* The x_position will be modified adding or substracting
             * 2 to the previous x_position depending on the direction.
             */
            x_position += (direction * 2);

            /* The x_position will stay between 50 and 150 pixels.
             * When the position is greater than 150 'direction' will be
             * negative (moving to the left) and when it is lower than 50
             * 'direction' will be possitive (moving to the right).
             */
            if (x_position >= 150)
            {
                direction = -1;
            }
            if (x_position <= 50)
            {
                direction = 1;
            }

            try {
                DynamicData_writer.write(data, ref instance_handle);
            }
            catch (DDS.Exception e) {
                Console.WriteLine("write error {0}", e);
            }

            System.Threading.Thread.Sleep(send_period);
        }

        /*
         * try {
         *  ShapeType_writer.unregister_instance(
         *      instance, ref instance_handle);
         * } catch(DDS.Exception e) {
         *  Console.WriteLine("unregister instance error: {0}", e);
         * }
         */

        // --- Shutdown --- //

        /* Delete data sample */
        try {
            type_support.delete_data(data);
        } catch (DDS.Exception e) {
            Console.WriteLine(
                "ShapeTypeTypeSupport.delete_data error: {0}", e);
        }

        /* Delete all entities */
        shutdown(participant);
    }