private void initializeDataReader(DDS.DomainParticipant participant)
{
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
throw new ApplicationException("create_subscriber error");
}
DDS.Topic topic = participant.create_topic(
_topicName,
_typeName,
DDS.DomainParticipant.TOPIC_QOS_DEFAULT,
null,
DDS.StatusMask.STATUS_MASK_NONE);
if (topic == null)
{
throw new ApplicationException("create_topic error");
}
_listener = new InstanceDataReaderListener(
_groupSubject, _keyedSubjectDict, _keySelector, _comparer, _handleKeyDict, _scheduler,
_externalSubDict);
DDS.DataReaderQos rQos = new DDS.DataReaderQos();
participant.get_default_datareader_qos(rQos);
//Console.WriteLine("LIB CODE DR QOS: " + r_qos.history.kind);
//Console.WriteLine("LIB CODE DR QOS: " + r_qos.reliability.kind);
DDS.DataReader reader = subscriber.create_datareader(
topic,
rQos, //DDS.Subscriber.DATAREADER_QOS_DEFAULT,
_listener,
DDS.StatusMask.STATUS_MASK_ALL);
if (reader != null)
{
return;
}
_listener = null;
throw new ApplicationException("create_datareader error");
}
private void initializeDataReader(DDS.DomainParticipant participant)
{
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
throw new ApplicationException("create_subscriber 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");
}
_listener = new DataReaderListener(_subject, _scheduler);
/* To customize the data reader QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DataReader reader = subscriber.create_datareader(
topic,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
_listener,
DDS.StatusMask.STATUS_MASK_ALL);
if (reader != null)
{
return;
}
_listener = null;
throw new ApplicationException("create_datareader error");
}
public void subscribe()
{
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
throw new ApplicationException("create_subscriber 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");
}
listener = new DataReaderListener(demultiplexer);
DDS.DataReader reader = subscriber.create_datareader(
topic,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
listener,
DDS.StatusMask.STATUS_MASK_ALL);
if (reader == null)
{
listener = null;
throw new ApplicationException("create_datareader error");
}
}
static void subscribe(int domain_id, int sample_count, int sel_cft)
{
// --- Create participant --- //
/* To customize the participant QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DomainParticipant participant =
DDS.DomainParticipantFactory.get_instance().create_participant(
domain_id,
DDS.DomainParticipantFactory.PARTICIPANT_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (participant == null)
{
shutdown(participant);
throw new ApplicationException("create_participant error");
}
// --- Create subscriber --- //
/* To customize the subscriber QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
shutdown(participant);
throw new ApplicationException("create_subscriber error");
}
// --- Create topic --- //
/* Register the type before creating the topic */
System.String type_name = 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 the 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");
}
/* For this filter we only allow 1 parameter */
DDS.StringSeq parameters = new DDS.StringSeq(1);
/* The default parameter list that we will include in the
* sequence of parameters will be "SOME_STRING" */
DDS.StringWrapper[] param_list =
new DDS.StringWrapper[1] {
"SOME_STRING"
};
parameters.from_array(param_list);
DDS.ContentFilteredTopic cft = null;
if (sel_cft == 1)
{
/* create_contentfilteredtopic_with_filter */
cft = participant.create_contentfilteredtopic_with_filter(
"ContentFilteredTopic", topic, "name MATCH %0", parameters,
DDS.DomainParticipant.STRINGMATCHFILTER_NAME);
if (cft == null)
{
shutdown(participant);
throw new ApplicationException(
"create_contentfilteredtopic_with_filter error");
}
}
// --- Create reader --- //
/* Create a data reader listener */
cftListener reader_listener =
new cftListener();
DDS.DataReader reader = null;
if (sel_cft != 0)
{
Console.WriteLine("Using ContentFiltered Topic");
reader = subscriber.create_datareader(cft,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
reader_listener, DDS.StatusMask.STATUS_MASK_ALL);
}
else
{
Console.WriteLine("Using Normal Topic");
reader = subscriber.create_datareader(topic,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
reader_listener, DDS.StatusMask.STATUS_MASK_ALL);
}
if (reader == null)
{
shutdown(participant);
reader_listener = null;
throw new ApplicationException("create_datareader error");
}
/* 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_datareader calls above.
*/
/*
* DDS.DataReaderQos datareader_qos = new DDS.DataReaderQos();
* try {
* subscriber.get_default_datareader_qos(datareader_qos);
* } catch (DDS.Exception e) {
* Console.WriteLine("get_default_datareader_qos error {0}", e);
* shutdown(participant);
* throw e;
* }
*
* datareader_qos.reliability.kind =
* DDS.ReliabilityQosPolicyKind.RELIABLE_RELIABILITY_QOS;
* datareader_qos.durability.kind =
* DDS.DurabilityQosPolicyKind.TRANSIENT_LOCAL_DURABILITY_QOS;
* datareader_qos.history.kind =
* DDS.HistoryQosPolicyKind.KEEP_LAST_HISTORY_QOS;
* datareader_qos.history.depth = 20;
*
* if (sel_cft != 0) {
* Console.WriteLine("Using ContentFiltered Topic");
* reader = subscriber.create_datareader(cft,
* datareader_qos, reader_listener,
* DDS.StatusMask.STATUS_MASK_ALL);
* } else {
* Console.WriteLine("Using Normal Topic");
* reader = subscriber.create_datareader(topic,
* datareader_qos, reader_listener,
* DDS.StatusMask.STATUS_MASK_ALL);
* }
*
* if (reader == null) {
* shutdown(participant);
* reader_listener = null;
* throw new ApplicationException("create_datareader error");
* }
*
*/
/* Change the filter */
if (sel_cft == 1)
{
Console.WriteLine(">>> Now setting a new filter: name MATCH \"EVEN\"");
try {
cft.append_to_expression_parameter(0, "EVEN");
} catch (DDS.Exception e) {
Console.WriteLine("append_to_expression_parameter error {0}", e);
shutdown(participant);
throw e;
}
}
// --- Wait for data --- //
/* Main loop */
const System.Int32 receive_period = 1000; // milliseconds
for (int count = 0;
(sample_count == 0) || (count < sample_count); ++count)
{
System.Threading.Thread.Sleep(receive_period);
if (sel_cft == 0)
{
continue;
}
if (count == 10)
{
Console.WriteLine("\n===========================");
Console.WriteLine("Changing filter parameters");
Console.WriteLine("Append 'ODD' filter");
Console.WriteLine("===========================");
try {
cft.append_to_expression_parameter(0, "ODD");
} catch (DDS.Exception e) {
Console.WriteLine(
"append_to_expression_parameter error {0}", e);
shutdown(participant);
throw e;
}
}
if (count == 20)
{
Console.WriteLine("\n===========================");
Console.WriteLine("Changing filter parameters");
Console.WriteLine("Removing 'EVEN' filter");
Console.WriteLine("===========================");
try {
cft.remove_from_expression_parameter(0, "EVEN");
} catch (DDS.Exception e) {
Console.WriteLine(
"append_to_expression_parameter error {0}", e);
shutdown(participant);
throw e;
}
}
}
// --- Shutdown --- //
/* Delete all entities */
shutdown(participant);
reader_listener = null;
}
static void subscribe(int domain_id, int sample_count)
{
// --- Create participant --- //
/* To customize the participant QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DomainParticipant participant =
DDS.DomainParticipantFactory.get_instance().create_participant(
domain_id,
DDS.DomainParticipantFactory.PARTICIPANT_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (participant == null)
{
shutdown(participant);
throw new ApplicationException("create_participant error");
}
// --- Create subscriber --- //
/* To customize the subscriber QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
shutdown(participant);
throw new ApplicationException("create_subscriber error");
}
// --- Create topic --- //
/* Register the type before creating the topic */
System.String type_name = queryconditionTypeSupport.get_type_name();
try {
queryconditionTypeSupport.register_type(
participant, type_name);
}
catch (DDS.Exception e) {
Console.WriteLine("register_type error {0}", e);
shutdown(participant);
throw e;
}
/* To customize the topic QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.Topic topic = participant.create_topic(
"Example querycondition",
type_name,
DDS.DomainParticipant.TOPIC_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (topic == null)
{
shutdown(participant);
throw new ApplicationException("create_topic error");
}
// --- Create reader --- //
/* To customize the data reader QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DataReader reader = subscriber.create_datareader(
topic,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
null,
DDS.StatusMask.STATUS_MASK_ALL);
if (reader == null)
{
shutdown(participant);
throw new ApplicationException("create_datareader error");
}
/* If you want to change datareader_qos.history programmatically rather
* than using the XML file, you will need to add the following lines to your
* code and comment out the create_datareader call above. */
/*DDS.DataReaderQos reader_qos = new DDS.DataReaderQos();
* subscriber.get_default_datareader_qos(reader_qos);
*
* reader_qos.history.kind = DDS.HistoryQosPolicyKind.KEEP_LAST_HISTORY_QOS;
* reader_qos.history.depth = 6;
*
* DDS.DataReader reader = subscriber.create_datareader(
* topic,
* reader_qos,
* reader_listener,
* DDS.StatusMask.STATUS_MASK_ALL);
* if (reader == null)
* {
* shutdown(participant);
* reader_listener = null;
* throw new ApplicationException("create_datareader error");
* } */
// --- Wait for data --- //
/* NOTE: There must be single-quotes in the query parameters around
* any strings! The single-quotes do NOT go in the query condition
* itself.
*/
DDS.QueryCondition query_for_guid2;
DDS.StringSeq query_parameters = new DDS.StringSeq();
query_parameters.ensure_length(1, 1);
query_parameters.set_at(0, "'GUID2'");
queryconditionDataReader querycondition_reader =
(queryconditionDataReader)reader;
query_for_guid2 = querycondition_reader.create_querycondition(
DDS.SampleStateKind.ANY_SAMPLE_STATE,
DDS.ViewStateKind.ANY_VIEW_STATE,
DDS.InstanceStateKind.ALIVE_INSTANCE_STATE,
"id MATCH %0",
query_parameters);
/* Main loop */
const System.Int32 receive_period = 4000; // milliseconds
for (int count = 0;
(sample_count == 0) || (count < sample_count);
++count)
{
System.Threading.Thread.Sleep(receive_period);
queryconditionSeq data_seq = new queryconditionSeq();
DDS.SampleInfoSeq info_seq = new DDS.SampleInfoSeq();
try
{
querycondition_reader.read_w_condition(
data_seq,
info_seq,
DDS.ResourceLimitsQosPolicy.LENGTH_UNLIMITED,
query_for_guid2);
}
catch (DDS.Retcode_NoData e)
{
continue;
}
catch (DDS.Exception e)
{
shutdown(participant);
throw e;
}
int len = 0;
double sum = 0;
/* Iterate through the samples read using the read_w_condition() method,
* accessing only the samples of GUID2. Then, show the number of samples
* received and, adding the value of x on each of them to calculate the
* average afterwards. */
for (int i = 0; i < data_seq.length; ++i)
{
if (!info_seq.get_at(i).valid_data)
{
continue;
}
len++;
sum += data_seq.get_at(i).value;
Console.WriteLine("Guid = {0}\n", data_seq.get_at(i).id);
}
if (len > 0)
{
Console.WriteLine("Got {0} samples. Avg = {1}\n", len, sum / len);
}
try
{
querycondition_reader.return_loan(data_seq, info_seq);
}
catch (DDS.Exception e)
{
Console.WriteLine("return loan error {0}", e);
}
}
// --- Shutdown --- //
/* Delete all entities */
shutdown(participant);
}
private void initializeDataReader(DDS.DomainParticipant participant)
{
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
throw new ApplicationException("create_subscriber 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");
}
/* To customize the data reader QoS, use
* the configuration file USER_QOS_PROFILES.xml */
_reader = subscriber.create_datareader(
topic,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
null,
DDS.StatusMask.STATUS_MASK_ALL);
if (_reader == null)
{
throw new ApplicationException("create_datareader error");
}
_statusCondition = _reader.get_statuscondition();
try
{
var mask =
(int)DDS.StatusKind.DATA_AVAILABLE_STATUS |
(int)DDS.StatusKind.SUBSCRIPTION_MATCHED_STATUS |
(int)DDS.StatusKind.LIVELINESS_CHANGED_STATUS |
(int)DDS.StatusKind.SAMPLE_LOST_STATUS |
(int)DDS.StatusKind.SAMPLE_REJECTED_STATUS;
_statusCondition.set_enabled_statuses((DDS.StatusMask)mask);
}
catch (DDS.Exception e)
{
throw new ApplicationException("set_enabled_statuses error {0}", e);
}
_waitset = new DDS.WaitSet();
try
{
_waitset.attach_condition(_statusCondition);
}
catch (DDS.Exception e)
{
throw new ApplicationException("attach_condition error {0}", e);
}
}
static void subscribe(int domain_id, int sample_count)
{
// --- Create participant --- //
/* To customize the participant QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DomainParticipant participant =
DDS.DomainParticipantFactory.get_instance().create_participant(
domain_id,
DDS.DomainParticipantFactory.PARTICIPANT_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (participant == null)
{
shutdown(participant);
throw new ApplicationException("create_participant error");
}
// --- Create subscriber --- //
/* To customize the subscriber QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
shutdown(participant);
throw new ApplicationException("create_subscriber error");
}
// --- Create topic --- //
/* Register the type before creating the topic */
System.String type_name = ccfTypeSupport.get_type_name();
try {
ccfTypeSupport.register_type(
participant, type_name);
}
catch (DDS.Exception e) {
Console.WriteLine("register_type error {0}", e);
shutdown(participant);
throw e;
}
/* To customize the topic QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.Topic topic = participant.create_topic(
"Example ccf",
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");
}
/* Start changes for Custom Content Filter */
/* Create and register custom filter */
custom_filter_type custom_filter = new custom_filter_type();
try {
participant.register_contentfilter("CustomFilter", custom_filter);
}
catch (DDS.Exception e) {
Console.WriteLine("write error {0}", e);
}
DDS.StringSeq parameters = new DDS.StringSeq(2);
DDS.StringWrapper[] param_list = { "2", "divides" };
parameters.from_array(param_list);
/* Create content filtered topic */
DDS.ContentFilteredTopic cft =
participant.create_contentfilteredtopic_with_filter(
"ContentFilteredTopic", topic, "%0 %1 x", parameters,
"CustomFilter"); // custom filter name
if (cft == null)
{
shutdown(participant);
throw new ApplicationException(
"create_contentfilteredtopic_with_filter error");
}
Console.WriteLine("Filter: 2 divides x");
/* Also note that we pass 'cft' rather than 'topic' to the
* datareader below
*/
/* End changes for Custom Contet Filter */
// --- Create reader --- //
/* Create a data reader listener */
ccfListener reader_listener =
new ccfListener();
/*
* NOTE THAT WE USE THE PREVIOUSLY CREATED CUSTOM FILTERED
* TOPIC TO READ NEW SAMPLES
*/
/* To customize the data reader QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DataReader reader = subscriber.create_datareader(
cft,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
reader_listener,
DDS.StatusMask.STATUS_MASK_ALL);
if (reader == null)
{
shutdown(participant);
reader_listener = null;
throw new ApplicationException("create_datareader error");
}
// --- Wait for data --- //
/* Main loop */
const System.Int32 receive_period = 1000; // milliseconds
for (int count = 0;
(sample_count == 0) || (count < sample_count);
++count)
{
if (count == 10)
{
Console.WriteLine("changing filter parameters");
Console.WriteLine("Filter: 15 greater-than x");
parameters.set_at(0, "15");
parameters.set_at(1, "greater-than");
cft.set_expression_parameters(parameters);
}
else if (count == 20)
{
Console.WriteLine("changing filter parameters");
Console.WriteLine("Filter: 3 divides x");
DDS.StringSeq old_parameters = new DDS.StringSeq();
cft.get_expression_parameters(old_parameters);
old_parameters.set_at(0, "3");
old_parameters.set_at(1, "divides");
cft.set_expression_parameters(old_parameters);
}
System.Threading.Thread.Sleep(receive_period);
}
// --- Shutdown --- //
/* Delete all entities */
shutdown(participant);
reader_listener = null;
}
static void subscribe(int domain_id, int sample_count,
String participant_auth)
{
// --- Create participant --- //
/* Start changes for programmatically qos */
/* Get default participant QoS to customize */
DDS.DomainParticipantQos participant_qos =
new DDS.DomainParticipantQos();
DDS.DomainParticipantFactory.get_instance().
get_default_participant_qos(participant_qos);
// If you want to change the Participant's QoS programmatically
// rather than using the XML file, you will need to uncomment the
// following line.
//participant_qos.resource_limits.participant_user_data_max_length = 1024;
// user_data is opaque to DDS
int len = participant_auth.Length;
int max =
participant_qos.resource_limits.participant_user_data_max_length;
if (len > max)
{
Console.WriteLine(
"error, participant user_data exceeds resource limits");
}
else
{
/* Byte type is defined to be 8 bits. If chars are not 8 bits
* on your system, this will not work.
*/
participant_qos.user_data.value.from_array(
System.Text.Encoding.ASCII.GetBytes(participant_auth));
}
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 Exception("create_participant error");
}
/* End changes for programmatically qos */
/* The participant is disabled by default. We enable it now */
try {
participant.enable();
} catch (DDS.Exception e) {
Console.WriteLine("failed to enable participant {0}", e);
shutdown(participant);
throw e;
}
// --- Create subscriber --- //
/* To customize the subscriber QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
shutdown(participant);
throw new Exception("create_subscriber error");
}
// --- Create topic --- //
/* Register the type before creating the 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 the 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 Exception("create_topic error");
}
// --- Create reader --- //
/* Create a data reader listener */
msgListener reader_listener = new msgListener();
/* To customize the data reader QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DataReader reader = subscriber.create_datareader(
topic,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
reader_listener,
DDS.StatusMask.STATUS_MASK_ALL);
if (reader == null)
{
shutdown(participant);
reader_listener = null;
throw new Exception("create_datareader error");
}
// --- Wait for data --- //
/* Main loop */
const int receive_period = 1000; // milliseconds
for (int count = 0;
(sample_count == 0) || (count < sample_count);
++count)
{
System.Threading.Thread.Sleep(receive_period);
}
// --- Shutdown --- //
/* Delete all entities */
shutdown(participant);
reader_listener = null;
}
static void subscribe(int domain_id, int sample_count)
{
// --- Create participant --- //
/* To customize the participant QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DomainParticipant participant =
DDS.DomainParticipantFactory.get_instance().create_participant(
domain_id,
DDS.DomainParticipantFactory.PARTICIPANT_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (participant == null)
{
shutdown(participant);
throw new ApplicationException("create_participant error");
}
// --- Create subscriber --- //
/* To customize the subscriber QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
shutdown(participant);
throw new ApplicationException("create_subscriber error");
}
// --- Create topic --- //
/* Register the type before creating the topic */
System.String type_name = 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 the 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 reader --- //
/* Create a data reader listener */
keysListener reader_listener =
new keysListener();
/* To customize the data reader QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DataReader reader = subscriber.create_datareader(
topic,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
reader_listener,
DDS.StatusMask.STATUS_MASK_ALL);
/* If you want to set the QoS settings programmatically rather than
* using the XML, you will need to add the following lines to your code
* and comment out the create_datareader call above.
*/
/*
* DDS.DataReaderQos readerQos = new DDS.DataReaderQos();
* subscriber.get_default_datareader_qos(readerQos);
*
* readerQos.ownership.kind = DDS.OwnershipQosPolicyKind.EXCLUSIVE_OWNERSHIP_QOS;
*
* DDS.DataReader reader = subscriber.create_datareader(
* topic,
* readerQos,
* reader_listener,
* DDS.StatusMask.STATUS_MASK_ALL);
*/
if (reader == null)
{
shutdown(participant);
reader_listener = null;
throw new ApplicationException("create_datareader error");
}
// --- Wait for data --- //
/* Main loop */
const System.Int32 receive_period = 1000; // milliseconds
for (int count = 0;
(sample_count == 0) || (count < sample_count);
++count)
{
//Console.WriteLine("keys subscriber sleeping for {0} sec...",receive_period / 1000);
System.Threading.Thread.Sleep(receive_period);
}
// --- Shutdown --- //
/* Delete all entities */
shutdown(participant);
reader_listener = null;
}
static void subscribe(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 subscriber --- //
/* We haven't changed the subscriber_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
* publisher_qos, use the create_publisher_with_profile() method.
*/
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
shutdown(participant);
throw new ApplicationException("create_subscriber error");
}
// --- Create topic --- //
/* Register the type before creating the topic */
System.String type_name = 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 reader --- //
/* Create a data reader listener */
profilesListener reader_volatile_listener =
new profilesListener("volatile_profile");
profilesListener reader_transient_local_listener =
new profilesListener("transient_local_profile");
/* Volatile reader -- 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_datareader passing DDS_DATAWRITER_QOS_DEFAULT.
*/
DDS.DataReader reader_volatile = subscriber.create_datareader(
topic,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
reader_volatile_listener,
DDS.StatusMask.STATUS_MASK_ALL);
if (reader_volatile == null)
{
shutdown(participant);
reader_volatile = null;
throw new ApplicationException("create_datareader_volatile error");
}
/* Transient Local writer -- In this case we use
* create_datareader_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.DataReader reader_transient_local =
subscriber.create_datareader_with_profile(
topic,
"profiles_Library",
"transient_local_profile",
reader_transient_local_listener,
DDS.StatusMask.STATUS_MASK_ALL);
if (reader_transient_local == null)
{
shutdown(participant);
reader_transient_local = null;
throw new ApplicationException("create_datareader_transient_local" +
"error");
}
Console.WriteLine("Created reader_transient_local");
// --- Wait for data --- //
/* Main loop */
const System.Int32 receive_period = 1000; // milliseconds
for (int count = 0;
(sample_count == 0) || (count < sample_count);
++count)
{
Console.WriteLine(
"profiles subscriber sleeping for {0} sec...",
receive_period / 1000);
System.Threading.Thread.Sleep(receive_period);
}
// --- Shutdown --- //
/* Delete all entities */
shutdown(participant);
reader_volatile_listener = null;
reader_transient_local_listener = null;
}
static void subscribe(int domain_id, int sample_count)
{
/* Auxiliary variables */
String odd_string = "'ODD'";
String even_string = "'EVEN'";
// --- Create participant --- //
/* To customize the participant QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DomainParticipant participant =
DDS.DomainParticipantFactory.get_instance().create_participant(
domain_id,
DDS.DomainParticipantFactory.PARTICIPANT_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (participant == null)
{
shutdown(participant);
throw new ApplicationException("create_participant error");
}
// --- Create subscriber --- //
/* To customize the subscriber QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
shutdown(participant);
throw new ApplicationException("create_subscriber error");
}
// --- Create topic --- //
/* Register the type before creating the topic */
System.String type_name = waitset_query_condTypeSupport.get_type_name();
try {
waitset_query_condTypeSupport.register_type(
participant, type_name);
}
catch (DDS.Exception e) {
Console.WriteLine("register_type error {0}", e);
shutdown(participant);
throw e;
}
/* To customize the topic QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.Topic topic = participant.create_topic(
"Example waitset_query_cond",
type_name,
DDS.DomainParticipant.TOPIC_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (topic == null)
{
shutdown(participant);
throw new ApplicationException("create_topic error");
}
// --- Create reader --- //
/* To customize the data reader QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DataReader reader = subscriber.create_datareader(
topic,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
null,
DDS.StatusMask.STATUS_MASK_NONE);
if (reader == null)
{
shutdown(participant);
throw new ApplicationException("create_datareader error");
}
waitset_query_condDataReader waitset_query_cond_reader =
(waitset_query_condDataReader)reader;
/* Create query condition */
DDS.StringSeq query_parameters = new DDS.StringSeq(1);
query_parameters.ensure_length(1, 1);
/* The initial value of the parameters is EVEN string */
query_parameters.set_at(0, even_string);
String query_expression = "name MATCH %0";
DDS.QueryCondition query_condition =
waitset_query_cond_reader.create_querycondition(
DDS.SampleStateKind.NOT_READ_SAMPLE_STATE,
DDS.ViewStateKind.ANY_VIEW_STATE,
DDS.InstanceStateKind.ANY_INSTANCE_STATE,
query_expression,
query_parameters);
if (query_condition == null)
{
shutdown(participant);
throw new ApplicationException("create_querycondition error");
}
DDS.WaitSet waitset = new DDS.WaitSet();
if (waitset == null)
{
shutdown(participant);
throw new ApplicationException("create waitset error");
}
/* Attach Query Conditions */
try {
waitset.attach_condition((DDS.Condition)query_condition);
} catch (DDS.Exception e) {
Console.WriteLine("attach_condition error {0}", e);
shutdown(participant);
throw e;
}
DDS.Duration_t wait_timeout;
wait_timeout.nanosec = (uint)500000000;
wait_timeout.sec = 1;
Console.WriteLine("\n>>>Timeout: {0} sec",
wait_timeout.sec, wait_timeout.nanosec);
Console.WriteLine(">>> Query conditions: name MATCH %0");
Console.WriteLine("\t%0 = {0}", query_parameters.get_at(0));
Console.WriteLine("---------------------------------\n");
// --- Wait for data --- //
/* Main loop */
for (int count = 0;
(sample_count == 0) || (count < sample_count);
++count)
{
DDS.ConditionSeq active_conditions_seq = new DDS.ConditionSeq();
/* We set a new parameter in the Query Condition after 7 secs */
if (count == 7)
{
query_parameters.set_at(0, odd_string);
Console.WriteLine("CHANGING THE QUERY CONDITION");
Console.WriteLine("\n>>> Query conditions: name MATCH %0");
Console.WriteLine("\t%0 = {0}", query_parameters.get_at(0));
Console.WriteLine(">>> We keep one sample in the history");
Console.WriteLine("-------------------------------------\n");
query_condition.set_query_parameters(query_parameters);
}
/* wait() blocks execution of the thread until one or more attached
* Conditions become true, or until a user-specified timeout
* expires.
*/
try {
waitset.wait(active_conditions_seq, wait_timeout);
} catch (DDS.Retcode_Timeout) {
Console.WriteLine("Wait timed out!! No conditions were " +
"triggered.");
continue;
} catch (DDS.Exception e) {
Console.WriteLine("wait error {0}", e);
break;
}
waitset_query_condSeq data_seq = new waitset_query_condSeq();
DDS.SampleInfoSeq info_seq = new DDS.SampleInfoSeq();
bool follow = true;
while (follow)
{
try {
waitset_query_cond_reader.take_w_condition(
data_seq, info_seq,
DDS.ResourceLimitsQosPolicy.LENGTH_UNLIMITED,
query_condition);
for (int i = 0; i < data_seq.length; ++i)
{
if (!info_seq.get_at(i).valid_data)
{
Console.WriteLine("Got metadata");
continue;
}
waitset_query_condTypeSupport.print_data(
data_seq.get_at(i));
}
} catch (DDS.Retcode_NoData) {
/* When there isn't data, the subscriber stop to
* take samples
*/
follow = false;
} finally {
waitset_query_cond_reader.return_loan(data_seq, info_seq);
}
}
}
// --- Shutdown --- //
/* Delete all entities */
shutdown(participant);
}
static void subscribe(int domain_id, int sample_count)
{
// --- Create participant --- //
/* To customize the participant QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DomainParticipant participant =
DDS.DomainParticipantFactory.get_instance().create_participant(
domain_id,
DDS.DomainParticipantFactory.PARTICIPANT_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (participant == null)
{
shutdown(participant);
throw new ApplicationException("create_participant error");
}
// --- Create subscriber --- //
/* To customize the subscriber QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
shutdown(participant);
throw new ApplicationException("create_subscriber error");
}
// --- Create topic --- //
/* Register the type before creating the topic */
System.String type_name = ChatObjectTypeSupport.get_type_name();
try {
ChatObjectTypeSupport.register_type(
participant, type_name);
}
catch (DDS.Exception e) {
Console.WriteLine("register_type error {0}", e);
shutdown(participant);
throw e;
}
/* To customize the topic QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.Topic topic = participant.create_topic(
My.CHAT_TOPIC_NAME.VALUE, /*>>><<<*/
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 ContentFiltered Topic */
DDS.StringWrapper[] cft_param_list = new DDS.StringWrapper[] { "'Rajive'", "'Shannon'", "'Jaromy'" };
DDS.StringSeq cft_parameters = new DDS.StringSeq(3);
cft_parameters.from_array(cft_param_list);
DDS.ContentFilteredTopic cft = participant.create_contentfilteredtopic("Chat/filtered",
topic, "(id = %0 OR id = %1 OR id = %2)",
cft_parameters);
if (cft == null)
{
Console.WriteLine("create_contentfilteredtopic error\n");
shutdown(participant);
throw new ApplicationException("create_contentfilteredtopic error");
}
/* <<< */
// --- Create reader --- //
/* Create a data reader listener */
ChatObjectListener reader_listener =
new ChatObjectListener();
/* To customize the data reader QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DataReader reader = subscriber.create_datareader(
cft, /*>>><<<*/
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
null, /*>>><<<*/
DDS.StatusMask.STATUS_MASK_NONE); /*>>><<<*/
if (reader == null)
{
shutdown(participant);
reader_listener = null;
throw new ApplicationException("create_datareader error");
}
/* >>> Setup StatusCondition */
DDS.StatusCondition status_condition = reader.get_statuscondition();
if (status_condition.Equals(null))
{
Console.WriteLine("get_statuscondition error\n");
shutdown(participant);
throw new ApplicationException("get_statuscondition error");
}
try {
status_condition.set_enabled_statuses((DDS.StatusMask)DDS.StatusKind.DATA_AVAILABLE_STATUS);
}
catch {
Console.WriteLine("set_enabled_statuses error\n");
shutdown(participant);
throw new ApplicationException("set_enabled_statuses error");
}
/* <<< */
/* >>> Setup WaitSet */
DDS.WaitSet waitset = new DDS.WaitSet();
try {
waitset.attach_condition(status_condition);
}
catch {
// ... error
waitset.Dispose(); waitset = null;
shutdown(participant);
reader_listener.Dispose(); reader_listener = null;
return;
}
// holder for active conditions
DDS.ConditionSeq active_conditions = new DDS.ConditionSeq();
/* <<< */
// --- Wait for data --- //
/* Main loop */
const System.Int32 receive_period = 4000; // milliseconds
for (int count = 0;
(sample_count == 0) || (count < sample_count);
++count)
{
Console.WriteLine(
"ChatObject subscriber sleeping ...",
receive_period / 1000);
/* >>> Wait */
/* Wait for condition to trigger */
try {
waitset.wait(active_conditions, DDS.Duration_t.DURATION_INFINITE);
reader_listener.on_data_available(reader);
}
catch {
}
/* <<< */
// System.Threading.Thread.Sleep(receive_period); /*>>><<<*/
}
// --- Shutdown --- //
/* Delete all entities */
waitset.Dispose(); waitset = null; /*>>><<<*/
shutdown(participant);
reader_listener = null;
}
static void subscribe(int domain_id, int sample_count)
{
// --- Create participant --- //
/* To customize the participant QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DomainParticipant participant =
DDS.DomainParticipantFactory.get_instance().create_participant(
domain_id,
DDS.DomainParticipantFactory.PARTICIPANT_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (participant == null)
{
shutdown(participant);
throw new ApplicationException("create_participant error");
}
/* 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.
*/
/* By default, discovery will communicate via shared memory for
* platforms that support it. Because we disable shared memory on the
* publishing side, we do so here to ensure the reader and writer
* discover each other.
*/
/* 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_flowcontroller */
// --- Create subscriber --- //
/* To customize the subscriber QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
shutdown(participant);
throw new ApplicationException("create_subscriber error");
}
// --- Create topic --- //
/* Register the type before creating the topic */
System.String type_name = 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 the 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 reader --- //
/* Create a data reader listener */
cfcListener reader_listener =
new cfcListener();
/* To customize the data reader QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DataReader reader = subscriber.create_datareader(
topic,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
reader_listener,
DDS.StatusMask.STATUS_MASK_ALL);
if (reader == null)
{
shutdown(participant);
reader_listener = null;
throw new ApplicationException("create_datareader error");
}
// --- Wait for data --- //
/* Main loop */
const System.Int32 receive_period = 1000; // milliseconds
for (int count = 0;
(sample_count == 0) || (count < sample_count);
++count)
{
System.Threading.Thread.Sleep(receive_period);
}
// --- Shutdown --- //
/* Delete all entities */
shutdown(participant);
reader_listener = null;
}
static void subscribe(int domain_id, int sample_count)
{
// --- Create participant --- //
/* To customize the participant QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DomainParticipant participant =
DDS.DomainParticipantFactory.get_instance().create_participant(
domain_id,
DDS.DomainParticipantFactory.PARTICIPANT_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (participant == null)
{
shutdown(participant);
throw new ApplicationException("create_participant error");
}
// --- Create subscriber --- //
/* To customize the subscriber QoS, use
* the configuration file USER_QOS_PROFILES.xml */
/* The listener has been modified */
/* Start changes for Ordered Presentation Example */
/* Note that the StatusKind is DATA_ON_READERS_STATUS in order
* to the incoming data can be read by the SubscriberListener
*/
ordered_groupSubscriberListener subscriber_listener =
new ordered_groupSubscriberListener();
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
subscriber_listener,
(DDS.StatusMask)DDS.StatusKind.DATA_ON_READERS_STATUS);
if (subscriber == null)
{
shutdown(participant);
subscriber_listener = null;
throw new ApplicationException("create_subscriber error");
}
/* End changes for Ordered Presentation Example */
// --- Create topics --- //
/* Register the type before creating the 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 Example */
/* TOPICS */
/* To customize the 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");
}
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");
}
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");
}
/* DATAREADERS */
/* To customize the data reader QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DataReader reader1 = subscriber.create_datareader(
topic1,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_ALL);
if (reader1 == null)
{
shutdown(participant);
throw new ApplicationException("create_datareader error");
}
DDS.DataReader reader2 = subscriber.create_datareader(
topic2,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_ALL);
if (reader2 == null)
{
shutdown(participant);
throw new ApplicationException("create_datareader error");
}
DDS.DataReader reader3 = subscriber.create_datareader(
topic3,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_ALL);
if (reader3 == null)
{
shutdown(participant);
throw new ApplicationException("create_datareader error");
}
/* End changes for Ordered Presentation Example */
// --- Wait for data --- //
/* Main loop */
const System.Int32 receive_period = 4000; // milliseconds
for (int count = 0;
(sample_count == 0) || (count < sample_count);
++count)
{
Console.WriteLine(
"ordered_group subscriber sleeping for {0} sec...",
receive_period / 1000);
System.Threading.Thread.Sleep(receive_period);
}
// --- Shutdown --- //
/* Delete all entities */
shutdown(participant);
subscriber_listener = null;
}
static void subscribe(int domain_id, int sample_count)
{
// --- Create participant --- //
/* To customize the participant QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DomainParticipant participant =
DDS.DomainParticipantFactory.get_instance().create_participant(
domain_id,
DDS.DomainParticipantFactory.PARTICIPANT_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (participant == null)
{
shutdown(participant);
throw new ApplicationException("create_participant error");
}
// --- Create subscriber --- //
/* To customize the subscriber QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
shutdown(participant);
throw new ApplicationException("create_subscriber error");
}
// --- Create topic --- //
/* Register the type before creating the topic */
System.String type_name = 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 the 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 reader --- //
/* To customize the data reader QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DataReader reader = subscriber.create_datareader(
topic,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
null,
DDS.StatusMask.STATUS_MASK_NONE);
if (reader == null)
{
shutdown(participant);
throw new ApplicationException("create_datareader error");
}
/* If you want to change datareader_qos.history.kind programmatically rather
* than using the XML file, you will need to add the following lines to your
* code and comment out the create_datareader call above. */
/*DDS.DataReaderQos datareader_qos = new DDS.DataReaderQos();
*
* try
* {
* subscriber.get_default_datareader_qos(datareader_qos);
* }
* catch (DDS.Exception e)
* {
* Console.WriteLine("get_default_datareader_qos error {0}", e);
* shutdown(participant);
* throw e;
* }
*
* datareader_qos.history.kind =
* DDS.HistoryQosPolicyKind.KEEP_ALL_HISTORY_QOS;
*
* DDS.DataReader reader = subscriber.create_datareader(
* topic, datareader_qos, null,
* DDS.StatusMask.STATUS_MASK_ALL);
* if (reader == null) {
* shutdown(participant);
* throw new ApplicationException("create_datareader error");
* }
*/
pollDataReader poll_reader =
(pollDataReader)reader;
// --- Wait for data --- //
DDS.SampleInfoSeq info_seq = new DDS.SampleInfoSeq();
pollSeq data_seq = new pollSeq();
/* Main loop */
const System.Int32 receive_period = 5000; // milliseconds
for (int count = 0;
(sample_count == 0) || (count < sample_count);
++count)
{
Console.WriteLine(
"poll subscriber sleeping for {0} sec...",
receive_period / 1000);
System.Threading.Thread.Sleep(receive_period);
// --- Polling for data --- ///
/* Check for new data calling the DataReader's take() method */
try
{
poll_reader.take(
data_seq, info_seq, DDS.ResourceLimitsQosPolicy.LENGTH_UNLIMITED,
DDS.SampleStateKind.ANY_SAMPLE_STATE,
DDS.ViewStateKind.ANY_VIEW_STATE, DDS.
InstanceStateKind.ANY_INSTANCE_STATE);
}
catch (DDS.Retcode_NoData)
{
// Not an error
return;
}
catch (DDS.Exception e)
{
Console.WriteLine("take error {0}", e);
return;
}
int len = 0;
double sum = 0;
/* Iterate through the samples read using the take() method, getting
* the number of samples got and, adding the value of x on each of
* them to calculate the average afterwards. */
for (int i = 0; i < data_seq.length; ++i)
{
if (!info_seq.get_at(i).valid_data)
{
continue;
}
len++;
sum += data_seq.get_at(i).x;
}
if (len > 0)
{
Console.WriteLine("Got {0} samples. Avg = {1}", len, sum / len);
}
try
{
poll_reader.return_loan(data_seq, info_seq);
}
catch (DDS.Exception e)
{
Console.WriteLine("return loan error {0}", e);
}
}
// --- Shutdown --- //
/* Delete all entities */
shutdown(participant);
}
static void subscribe(int domain_id, int sample_count)
{
// --- Create participant --- //
/* To customize the participant QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DomainParticipant participant =
DDS.DomainParticipantFactory.get_instance().create_participant(
domain_id,
DDS.DomainParticipantFactory.PARTICIPANT_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
/* If 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.
*
* This example uses a built-in QoS profile to enable
* monitoring on the DomainParticipant.*/
/*
* DDS.DomainParticipant participant = DDS.DomainParticipantFactory.
* get_instance().create_participant_with_profile(domain_id,
* "BuiltinQosLib", "Generic.Monitoring.Common", null,
* DDS.StatusMask.STATUS_MASK_NONE);
*/
if (participant == null)
{
shutdown(participant);
throw new ApplicationException("create_participant error");
}
// --- Create subscriber --- //
/* To customize the subscriber QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
shutdown(participant);
throw new ApplicationException("create_subscriber error");
}
// --- Create topic --- //
/* Register the type before creating the topic */
System.String type_name = 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;
}
/* To customize the topic QoS, use
* the configuration file USER_QOS_PROFILES.xml */
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 reader --- //
/* Create a data reader listener */
profilesListener reader_listener =
new profilesListener();
/* To customize the data reader QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DataReader reader = subscriber.create_datareader(
topic,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
reader_listener,
DDS.StatusMask.STATUS_MASK_ALL);
/* If you want to change the DataWriter's QoS programatically 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.
*
* This example uses a built-in QoS profile to tune the QoS for
* reliable streaming data. */
/*
* DDS.DataReader reader = subscriber.create_datareader_with_profile(
* topic, DDS.BuiltinQosProfiles.BUILTIN_QOS_LIB_EXP,
* DDS.BuiltinQosProfiles.PROFILE_PATTERN_RELIABLE_STREAMING,
* listener, DDS.StatusMask.STATUS_MASK_ALL);
*/
if (reader == null)
{
shutdown(participant);
reader_listener = null;
throw new ApplicationException("create_datareader error");
}
// --- Wait for data --- //
/* Main loop */
const System.Int32 receive_period = 4000; // milliseconds
for (int count = 0;
(sample_count == 0) || (count < sample_count);
++count)
{
Console.WriteLine(
"profiles subscriber sleeping for {0} sec...",
receive_period / 1000);
System.Threading.Thread.Sleep(receive_period);
}
// --- Shutdown --- //
/* Delete all entities */
shutdown(participant);
reader_listener = null;
}
static void subscribe(int domain_id, int sample_count)
{
// --- Create participant --- //
/* To customize the participant QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DomainParticipant participant =
DDS.DomainParticipantFactory.get_instance().create_participant(
domain_id,
DDS.DomainParticipantFactory.PARTICIPANT_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (participant == null)
{
shutdown(participant);
throw new ApplicationException("create_participant error");
}
// --- Create subscriber --- //
DDS.SubscriberQos subscriber_qos = new DDS.SubscriberQos();
participant.get_default_subscriber_qos(subscriber_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_subscriber() call bellow.
*/
/*
* String[] partitions = { "ABC", "X*Z" };
*
* subscriber_qos.partition.name.ensure_length(2, 2);
* subscriber_qos.partition.name.from_array(partitions);
*
* DDS.Subscriber subscriber = participant.create_subscriber(
* subscriber_qos,
* null,
* DDS.StatusMask.STATUS_MASK_NONE);
*/
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
shutdown(participant);
throw new ApplicationException("create_subscriber error");
}
// --- Create topic --- //
/* Register the type before creating the topic */
System.String type_name = 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 the 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 reader --- //
/* Create a data reader listener */
partitionsListener reader_listener =
new partitionsListener();
/* If you want to change the Datareader QoS programmatically rather than
* using the XML, you will need to add the following lines to your code
* and comment out the create_datareader() call bellow.
*/
/*
* DDS.DataReaderQos readerQos = new DDS.DataReaderQos();
* subscriber.get_default_datareader_qos(readerQos);
*
* readerQos.reliability.kind = DDS.ReliabilityQosPolicyKind.RELIABLE_RELIABILITY_QOS;
* readerQos.history.kind = DDS.HistoryQosPolicyKind.KEEP_ALL_HISTORY_QOS;
* readerQos.durability.kind = DDS.DurabilityQosPolicyKind.TRANSIENT_LOCAL_DURABILITY_QOS;
* DDS.DataReader reader = subscriber.create_datareader(
* topic,
* readerQos,
* reader_listener,
* DDS.StatusMask.STATUS_MASK_ALL);
*/
DDS.DataReader reader = subscriber.create_datareader(
topic,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
reader_listener,
DDS.StatusMask.STATUS_MASK_ALL);
if (reader == null)
{
shutdown(participant);
reader_listener = null;
throw new ApplicationException("create_datareader error");
}
// --- Wait for data --- //
/* Main loop */
const System.Int32 receive_period = 4000; // milliseconds
for (int count = 0;
(sample_count == 0) || (count < sample_count);
++count)
{
System.Threading.Thread.Sleep(receive_period);
}
// --- Shutdown --- //
/* Delete all entities */
shutdown(participant);
reader_listener = null;
}
static void subscribe(int domain_id, int sample_count)
{
// --- Create participant --- //
/* To customize the participant QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DomainParticipant participant =
DDS.DomainParticipantFactory.get_instance().create_participant(
domain_id,
DDS.DomainParticipantFactory.PARTICIPANT_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (participant == null)
{
shutdown(participant);
throw new ApplicationException("create_participant error");
}
// --- Create subscriber --- //
/* To customize the subscriber QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
shutdown(participant);
throw new ApplicationException("create_subscriber error");
}
// --- Create topic --- //
/* Register the type before creating the topic */
System.String type_name = tbfTypeSupport.get_type_name();
try {
tbfTypeSupport.register_type(
participant, type_name);
}
catch (DDS.Exception e) {
Console.WriteLine("register_type error {0}", e);
shutdown(participant);
throw e;
}
/* To customize the topic QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.Topic topic = participant.create_topic(
"Example tbf",
type_name,
DDS.DomainParticipant.TOPIC_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (topic == null)
{
shutdown(participant);
throw new ApplicationException("create_topic error");
}
// --- Create reader --- //
/* Create a data reader listener */
tbfListener reader_listener =
new tbfListener();
/* To customize the data reader QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DataReader reader = subscriber.create_datareader(
topic,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
reader_listener,
DDS.StatusMask.STATUS_MASK_ALL);
if (reader == null)
{
shutdown(participant);
reader_listener = null;
throw new ApplicationException("create_datareader error");
}
// --- Wait for data --- //
/* If you want to change the time-based filter programmatically (e.g.,
* to 2 seconds) rather than using the XML file, you will need to add
* the following lines to your code and comment out the
* create_datareader call above. */
/*
* DDS.DataReaderQos datareader_qos = new DDS.DataReaderQos();
* try
* {
* subscriber.get_default_datareader_qos(datareader_qos);
* }
* catch (DDS.Exception e)
* {
* Console.WriteLine("get_default_datareader_qos error {0}", e);
* shutdown(participant);
* throw e;
* }
*
* DDS.Duration_t minsep = new DDS.Duration_t();
* minsep.sec = 2; // 2 sec
* datareader_qos.time_based_filter.minimum_separation = minsep;
*
* try
* {
* subscriber.delete_datareader(ref reader);
* }
* catch (DDS.Exception e)
* {
* Console.WriteLine("delete_datareader (default qos) error {0}", e);
* shutdown(participant);
* throw e;
* }
*
* reader = subscriber.create_datareader(topic,
* datareader_qos, reader_listener, DDS.StatusMask.STATUS_MASK_ALL);
* if (reader == null)
* {
* shutdown(participant);
* throw new ApplicationException("create_datareader error");
* }
*/
/* Results table header: (1) source timestamp of the sample received;
* (2) instance id (instance.code value); and (3) value of x
* (instance.x).
*/
Console.WriteLine("================================================");
Console.WriteLine("Source timestamp\tInstance\tX");
Console.WriteLine("================================================");
/* Main loop */
const System.Int32 receive_period = 4000; // milliseconds
for (int count = 0;
(sample_count == 0) || (count < sample_count);
++count)
{
/* Console.WriteLine(
* "tbf subscriber sleeping for {0} sec...",
* receive_period / 1000);
*/
System.Threading.Thread.Sleep(receive_period);
}
// --- Shutdown --- //
/* Delete all entities */
shutdown(participant);
reader_listener = null;
}
static void subscribe(int domain_id, int sample_count)
{
// --- Create participant --- //
/* To customize the participant QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DomainParticipant participant =
DDS.DomainParticipantFactory.get_instance().create_participant(
domain_id,
DDS.DomainParticipantFactory.PARTICIPANT_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (participant == null)
{
shutdown(participant);
throw new ApplicationException("create_participant error");
}
// --- Create subscriber --- //
/* To customize the subscriber QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
shutdown(participant);
throw new ApplicationException("create_subscriber error");
}
// --- Create topic --- //
/* Register the type before creating the topic */
System.String type_name =
waitset_statuscondTypeSupport.get_type_name();
try {
waitset_statuscondTypeSupport.register_type(
participant, type_name);
}
catch (DDS.Exception e) {
Console.WriteLine("register_type error {0}", e);
shutdown(participant);
throw e;
}
/* To customize the topic QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.Topic topic = participant.create_topic(
"Example waitset_statuscond",
type_name,
DDS.DomainParticipant.TOPIC_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (topic == null)
{
shutdown(participant);
throw new ApplicationException("create_topic error");
}
// --- Create reader --- //
/* To customize the data reader QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DataReader reader = subscriber.create_datareader(
topic,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
null,
DDS.StatusMask.STATUS_MASK_ALL);
if (reader == null)
{
shutdown(participant);
throw new ApplicationException("create_datareader error");
}
// Get narrowed datareader
waitset_statuscondDataReader waitset_reader =
(waitset_statuscondDataReader)reader;
/* Get status conditions
* ---------------------
* Each entity may have an attached Status Condition. To modify the
* statuses we need to get the reader's Status Conditions first.
*/
DDS.StatusCondition status_condition = reader.get_statuscondition();
/* Set enabled statuses
* --------------------
* Now that we have the Status Condition, we are going to enable the
* status we are interested in: knowing that data is available
*/
try
{
status_condition.set_enabled_statuses(
(DDS.StatusMask)DDS.StatusKind.DATA_AVAILABLE_STATUS);
}
catch (DDS.Exception e)
{
shutdown(participant);
throw new ApplicationException("set_enabled_statuses error {0}",
e);
}
/* Create and attach conditions to the WaitSet
* -------------------------------------------
* Finally, we create the WaitSet and attach both the Read Conditions
* and the Status Condition to it.
*/
DDS.WaitSet waitset = new DDS.WaitSet();
/* Attach Status Conditions */
try
{
waitset.attach_condition(status_condition);
}
catch (DDS.Exception e)
{
shutdown(participant);
throw new ApplicationException("set_enabled_statuses error {0}",
e);
}
// --- Wait for data --- //
int count = 0;
DDS.Duration_t timeout;
timeout.nanosec = (uint)500000000;
timeout.sec = 1;
/* Main loop */
while (sample_count == 0 || count < sample_count)
{
DDS.ConditionSeq active_conditions = new DDS.ConditionSeq();
// The triggered condition(s) will be placed in active_conditions
try
{
waitset.wait(active_conditions, timeout);
Console.WriteLine("got {0} active conditions", active_conditions.length);
for (int i = 0; i < active_conditions.length; ++i)
{
/* In this case, we have only a single condition, but
* if we had multiple, we would need to iterate over
* them and check which one is true. Leaving the logic
* for the more complex case. */
if (active_conditions.get_at(i) == status_condition)
{
DDS.StatusMask triggeredmask =
waitset_reader.get_status_changes();
if ((triggeredmask &
(DDS.StatusMask)
DDS.StatusKind.DATA_AVAILABLE_STATUS) != 0)
{
/* Current conditions match our conditions to read data, so
* we can read data just like we would do in any other
* example. */
waitset_statuscondSeq data_seq
= new waitset_statuscondSeq();
DDS.SampleInfoSeq info_seq
= new DDS.SampleInfoSeq();
try
{
/* Access data using read(), take(), etc. If
* you fail to do this the condition will
* remain true, and the WaitSet will wake up
* immediately - causing high CPU usage when it
* does not sleep in the loop */
waitset_reader.take(
data_seq,
info_seq,
DDS.ResourceLimitsQosPolicy.LENGTH_UNLIMITED,
DDS.SampleStateKind.ANY_SAMPLE_STATE,
DDS.ViewStateKind.ANY_VIEW_STATE,
DDS.InstanceStateKind.ANY_INSTANCE_STATE);
}
catch (DDS.Retcode_NoData e)
{
shutdown(participant);
throw e;
}
catch (DDS.Exception e)
{
shutdown(participant);
throw e;
}
/* Iterate over returned data. Print the data
* values if it is not metadata.
*/
System.Int32 data_length = data_seq.length;
for (int j = 0; i < data_length; ++i)
{
if (!info_seq.get_at(j).valid_data)
{
Console.WriteLine("Got metadata");
continue;
}
waitset_statuscondTypeSupport.print_data(data_seq.get_at(j));
}
try
{
/* Return the loaned data */
waitset_reader.return_loan(data_seq, info_seq);
}
catch (DDS.Exception e)
{
Console.WriteLine("return loan error {0}", e);
}
}
}
}
}
catch (DDS.Retcode_Timeout)
{
Console.WriteLine("wait timed out");
count += 2;
continue;
}
}
// --- Shutdown --- //
/* Delete all entities */
shutdown(participant);
}
static void subscribe(int domain_id, int sample_count)
{
// --- Create participant --- //
/* To customize the participant QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DomainParticipant participant =
DDS.DomainParticipantFactory.get_instance().create_participant(
domain_id,
DDS.DomainParticipantFactory.PARTICIPANT_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (participant == null)
{
shutdown(participant);
throw new ApplicationException("create_participant error");
}
// --- Create subscriber --- //
/* To customize the subscriber QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
shutdown(participant);
throw new ApplicationException("create_subscriber error");
}
// --- Create topic --- //
/* Register the type before creating the topic */
System.String type_name = 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 the 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");
}
/* Start changes for MultiChannel */
DDS.StringSeq expression_parameters = new DDS.StringSeq(1);
DDS.ContentFilteredTopic filtered_topic =
participant.create_contentfilteredtopic_with_filter(
"Example market_data",
topic,
"Symbol MATCH 'A'", expression_parameters,
DDS.DomainParticipant.STRINGMATCHFILTER_NAME);
// --- Create reader --- //
/* Create a data reader listener */
market_dataListener reader_listener =
new market_dataListener();
/* To customize the data reader QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DataReader reader = subscriber.create_datareader(
filtered_topic,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
reader_listener,
DDS.StatusMask.STATUS_MASK_ALL);
if (reader == null)
{
shutdown(participant);
reader_listener = null;
throw new ApplicationException("create_datareader error");
}
// --- Wait for data --- //
/* Main loop */
const System.Int32 receive_period = 4000; // milliseconds
for (int count = 0;
(sample_count == 0) || (count < sample_count);
++count)
{
/* Console.WriteLine(
* "market_data subscriber sleeping for {0} sec...",
* receive_period / 1000);
*
* System.Threading.Thread.Sleep(receive_period);
*/
if (count == 3)
{
filtered_topic.append_to_expression_parameter(0, "D");
Console.WriteLine("changed filter to Symbol MATCH 'AD'");
}
if (count == 6)
{
filtered_topic.remove_from_expression_parameter(0, "A");
Console.WriteLine("changed filter to Symbol MATCH 'D'");
}
System.Threading.Thread.Sleep(receive_period);
}
/* End changes for MultiChannel */
// --- Shutdown --- //
/* Delete all entities */
shutdown(participant);
reader_listener = null;
}
private void initialize()
{
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
throw new ApplicationException("create_subscriber 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");
}
reader = subscriber.create_datareader(
topic,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
null,
DDS.StatusMask.STATUS_MASK_ALL);
if (reader == null)
{
throw new ApplicationException("create_datareader error");
}
status_condition = reader.get_statuscondition();
try
{
int mask =
(int)DDS.StatusKind.DATA_AVAILABLE_STATUS |
(int)DDS.StatusKind.SUBSCRIPTION_MATCHED_STATUS |
(int)DDS.StatusKind.LIVELINESS_CHANGED_STATUS |
(int)DDS.StatusKind.SAMPLE_LOST_STATUS |
(int)DDS.StatusKind.SAMPLE_REJECTED_STATUS;
status_condition.set_enabled_statuses((DDS.StatusMask)mask);
}
catch (DDS.Exception e)
{
throw new ApplicationException("set_enabled_statuses error {0}", e);
}
waitset = new DDS.WaitSet();
try
{
waitset.attach_condition(status_condition);
}
catch (DDS.Exception e)
{
throw new ApplicationException("attach_condition error {0}", e);
}
}
static void subscribe(int domain_id, int sample_count, int sel_cft)
{
// --- Create participant --- //
/* To customize the participant QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DomainParticipant participant =
DDS.DomainParticipantFactory.get_instance().create_participant(
domain_id,
DDS.DomainParticipantFactory.PARTICIPANT_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (participant == null)
{
shutdown(participant);
throw new ApplicationException("create_participant error");
}
// --- Create subscriber --- //
/* To customize the subscriber QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
shutdown(participant);
throw new ApplicationException("create_subscriber error");
}
// --- Create topic --- //
/* Register the type before creating the topic */
System.String type_name = 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 the 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");
}
/* Sequence of parameters for the content filter expression */
DDS.StringSeq parameters = new DDS.StringSeq(2);
/* The default parameter list that we will include in the
* sequence of parameters will be "1","4" (i.e., 1 <= x <= 4). */
DDS.StringWrapper[] param_list = new DDS.StringWrapper[2] {
"1", "4"
};
parameters.from_array(param_list);
/* Create the content filtered topic in case sel_cft
* is true.
* The Content Filter Expresion has two parameters:
* - %0 -- x must be greater or equal than %0.
* - %1 -- x must be less or equal than %1.
*/
DDS.ContentFilteredTopic cft = null;
if (sel_cft != 0)
{
cft = participant.create_contentfilteredtopic(
"ContentFilteredTopic", topic, "(x >= %0 and x <= %1)",
parameters);
if (cft == null)
{
shutdown(participant);
throw new ApplicationException(
"create_contentfilteredtopic error");
}
}
// --- Create reader --- //
/* Create a data reader listener */
cftListener reader_listener =
new cftListener();
/* Here we create the reader either using a Content Filtered Topic or
* a normal topic */
DDS.DataReader reader = null;
if (sel_cft != 0)
{
Console.WriteLine("Using ContentFiltered Topic");
reader = subscriber.create_datareader(cft,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
reader_listener, DDS.StatusMask.STATUS_MASK_ALL);
}
else
{
Console.WriteLine("Using Normal Topic");
reader = subscriber.create_datareader(topic,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
reader_listener, DDS.StatusMask.STATUS_MASK_ALL);
}
if (reader == null)
{
shutdown(participant);
reader_listener = null;
throw new ApplicationException("create_datareader error");
}
/* 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_datareader calls above.
*/
/*
* DDS.DataReaderQos datareader_qos = new DDS.DataReaderQos();
* try {
* subscriber.get_default_datareader_qos(datareader_qos);
* } catch (DDS.Exception e) {
* Console.WriteLine("get_default_datareader_qos error {0}", e);
* shutdown(participant);
* throw e;
* }
*
* datareader_qos.reliability.kind =
* DDS.ReliabilityQosPolicyKind.RELIABLE_RELIABILITY_QOS;
* datareader_qos.durability.kind =
* DDS.DurabilityQosPolicyKind.TRANSIENT_LOCAL_DURABILITY_QOS;
* datareader_qos.history.kind =
* DDS.HistoryQosPolicyKind.KEEP_LAST_HISTORY_QOS;
* datareader_qos.history.depth = 20;
*
* if (sel_cft != 0) {
* Console.WriteLine("Using ContentFiltered Topic");
* reader = subscriber.create_datareader(cft,
* datareader_qos, reader_listener,
* DDS.StatusMask.STATUS_MASK_ALL);
* } else {
* Console.WriteLine("Using Normal Topic");
* reader = subscriber.create_datareader(topic,
* datareader_qos, reader_listener,
* DDS.StatusMask.STATUS_MASK_ALL);
* }
*
* if (reader == null) {
* shutdown(participant);
* reader_listener = null;
* throw new ApplicationException("create_datareader error");
* }
*
*/
if (sel_cft != 0)
{
Console.WriteLine("\n==========================");
Console.WriteLine("Using CFT\nFilter: 1 <= x <= 4");
Console.WriteLine("==========================");
}
// --- Wait for data --- //
/* Main loop */
const System.Int32 receive_period = 1000; // milliseconds
for (int count = 0;
(sample_count == 0) || (count < sample_count);
++count)
{
Console.WriteLine(
"cft subscriber sleeping for {0} sec...",
receive_period / 1000);
System.Threading.Thread.Sleep(receive_period);
if (sel_cft == 0)
{
continue;
}
if (count == 10)
{
Console.WriteLine("\n==========================");
Console.WriteLine("Changing filter parameters");
Console.WriteLine("Filter: 5 <= x <= 9");
Console.WriteLine("===========================");
parameters.set_at(0, "5");
parameters.set_at(1, "9");
try {
cft.set_expression_parameters(parameters);
} catch (DDS.Exception e) {
Console.WriteLine("set_expression_parameters error {0}", e);
shutdown(participant);
throw e;
}
}
else if (count == 20)
{
Console.WriteLine("\n==========================");
Console.WriteLine("Changing filter parameters");
Console.WriteLine("Filter: 3 <= x <= 9");
Console.WriteLine("===========================");
DDS.StringSeq oldParameters = new DDS.StringSeq();
cft.get_expression_parameters(oldParameters);
oldParameters.set_at(0, "3");
try {
cft.set_expression_parameters(oldParameters);
} catch (DDS.Exception e) {
Console.WriteLine("set_expression_parameters error {0}", e);
shutdown(participant);
throw e;
}
}
}
// --- Shutdown --- //
/* Delete all entities */
shutdown(participant);
reader_listener = null;
}
static void subscribe(int domain_id, int sample_count)
{
// --- Create participant --- //
/* To customize the participant QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DomainParticipant participant =
DDS.DomainParticipantFactory.get_instance().create_participant(
domain_id,
DDS.DomainParticipantFactory.PARTICIPANT_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (participant == null)
{
shutdown(participant);
throw new ApplicationException("create_participant error");
}
// --- Create subscriber --- //
/* To customize the subscriber QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
shutdown(participant);
throw new ApplicationException("create_subscriber error");
}
// --- Create topic --- //
/* Register the type before creating the topic */
System.String type_name = 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 the 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 reader --- //
/* To customize the data reader QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DataReader reader = subscriber.create_datareader(
topic,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
null,
DDS.StatusMask.STATUS_MASK_ALL);
if (reader == null)
{
shutdown(participant);
throw new ApplicationException("create_datareader error");
}
/* If you want to change the DataReader'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_datareader call above.
*
* In this case, we reduce the liveliness timeout period to trigger the
* StatusCondition DDS.StatusKind.LIVELINESS_CHANGED_STATUS
*/
/*
* DDS.DataReaderQos datawriter_qos = new DDS.DataReaderQos();
* try {
* subscriber.get_default_datareader_qos(datawriter_qos);
* } catch (DDS.Exception e) {
* Console.WriteLine("get_default_datareader_qos error {0}", e);
* shutdown(participant);
* throw e;
* }
* datawriter_qos.liveliness.lease_duration.sec = 2;
* datawriter_qos.liveliness.lease_duration.nanosec = 0;
*
* reader = subscriber.create_datareader(topic, datawriter_qos,
* null, DDS.StatusMask.STATUS_MASK_NONE);
* if (reader == null) {
* shutdown(participant);
* throw new ApplicationException("create_datawriter_qos error");
* }
*/
/* Create read condition
* ---------------------
* Note that the Read Conditions are dependent on both incoming
* data as well as sample state. Thus, this method has more
* overhead than adding a DDS.StatusKind.DATA_AVAILABLE_STATUS
* StatusCondition. We show it here purely for reference
*/
DDS.ReadCondition read_condition = reader.create_readcondition(
DDS.SampleStateKind.NOT_READ_SAMPLE_STATE,
DDS.ViewStateKind.ANY_VIEW_STATE,
DDS.InstanceStateKind.ANY_INSTANCE_STATE);
if (read_condition == null)
{
shutdown(participant);
throw new ApplicationException("create_readcondition error");
}
/* Get status conditions
* ---------------------
* Each entity may have an attached Status Condition. To modify the
* statuses we need to get the reader's Status Conditions first.
*/
DDS.StatusCondition status_condition = reader.get_statuscondition();
if (status_condition.get_entity() == null)
{
shutdown(participant);
throw new ApplicationException("get_statuscondition error");
}
/* Set enabled statuses
* --------------------
* Now that we have the Status Condition, we are going to enable the
* statuses we are interested in:
* DDS.StatusKind.SUBSCRIPTION_MATCHED_STATUS
* and DDS.StatusKind.LIVELINESS_CHANGED_STATUS.
*/
try {
status_condition.set_enabled_statuses(
DDS.StatusMask.STATUS_MASK_NONE |
(DDS.StatusMask)DDS.StatusKind.SUBSCRIPTION_MATCHED_STATUS |
(DDS.StatusMask)DDS.StatusKind.LIVELINESS_CHANGED_STATUS);
} catch (DDS.Exception e) {
Console.WriteLine("set_enabled_statuses error {0}", e);
shutdown(participant);
throw e;
}
/* Create and attach conditions to the WaitSet
* -------------------------------------------
* Finally, we create the WaitSet and attach both the Read Conditions
* and the Status Condition to it.
*/
DDS.WaitSet waitset = new DDS.WaitSet();
/* Attach Read Conditions */
try {
waitset.attach_condition(read_condition);
} catch (DDS.Exception e) {
Console.WriteLine("attach_read_condition error {0}", e);
shutdown(participant);
throw e;
}
/* Attach Status Conditions */
try {
waitset.attach_condition(status_condition);
} catch (DDS.Exception e) {
Console.WriteLine("attach_status_condition error {0}", e);
shutdown(participant);
throw e;
}
/* Narrow the reader into your specific data type */
waitsetsDataReader waitsets_reader =
(waitsetsDataReader)reader;
/* Main loop */
for (int count = 0; (sample_count == 0) || (count < sample_count);
++count)
{
DDS.ConditionSeq active_conditions_seq = new DDS.ConditionSeq();
DDS.Duration_t timeout;
timeout.nanosec = (uint)500000000;
timeout.sec = 1;
/* wait() blocks execution of the thread until one or more attached
* Conditions become true, or until a user-specified timeout expires
*/
try {
waitset.wait(active_conditions_seq, timeout);
} catch (DDS.Retcode_Timeout) {
Console.WriteLine("Wait timed out!! No conditions were " +
"triggered.");
continue;
} catch (DDS.Exception e) {
Console.WriteLine("wait error {0}", e);
break;
}
/* Get the number of active conditions */
int active_conditions = active_conditions_seq.length;
Console.WriteLine("Got {0} active conditions", active_conditions);
for (int i = 0; i < active_conditions; i++)
{
/* Now we compare the current condition with the Status
* Conditions and the Read Conditions previously defined. If
* they match, we print the condition that was triggered.*/
/* Compare with Status Conditions */
if (active_conditions_seq.get_at(i) == status_condition)
{
/* Get the status changes so we can check which status
* condition triggered. */
DDS.StatusMask triggeredmask =
waitsets_reader.get_status_changes();
/* Liveliness changed */
DDS.StatusMask test = triggeredmask &
(DDS.StatusMask)DDS.StatusKind.
LIVELINESS_CHANGED_STATUS;
if (test != DDS.StatusMask.STATUS_MASK_NONE)
{
DDS.LivelinessChangedStatus st =
new DDS.LivelinessChangedStatus();
waitsets_reader.get_liveliness_changed_status(ref st);
Console.WriteLine("Liveliness changed => " +
"Active writers = {0}", st.alive_count);
}
/* Subscription matched */
test = triggeredmask &
(DDS.StatusMask)DDS.StatusKind.
SUBSCRIPTION_MATCHED_STATUS;
if (test != DDS.StatusMask.STATUS_MASK_NONE)
{
DDS.SubscriptionMatchedStatus st =
new DDS.SubscriptionMatchedStatus();
waitsets_reader.get_subscription_matched_status(ref st);
Console.WriteLine("Subscription matched => " +
"Cumulative matches = {0}", st.total_count);
}
}
/* Compare with Read Conditions */
else if (active_conditions_seq.get_at(i) == read_condition)
{
/* Current conditions match our conditions to read data, so
* we can read data just like we would do in any other
* example. */
waitsetsSeq data_seq = new waitsetsSeq();
DDS.SampleInfoSeq info_seq = new DDS.SampleInfoSeq();
/* You may want to call take_w_condition() or
* read_w_condition() on the Data Reader. This way you will
* use the same status masks that were set on the Read
* Condition.
* This is just a suggestion, you can always use
* read() or take() like in any other example.
*/
bool follow = true;
while (follow)
{
try {
waitsets_reader.take_w_condition(
data_seq, info_seq,
DDS.ResourceLimitsQosPolicy.LENGTH_UNLIMITED,
read_condition);
for (int j = 0; j < data_seq.length; ++j)
{
if (!info_seq.get_at(j).valid_data)
{
Console.WriteLine("Got metadata");
continue;
}
waitsetsTypeSupport.print_data(
data_seq.get_at(j));
}
} catch (DDS.Retcode_NoData) {
/* When there isn't data, the subscriber stop to
* take samples
*/
follow = false;
} finally {
waitsets_reader.return_loan(data_seq, info_seq);
}
}
}
}
}
// --- Shutdown --- //
/* Delete all entities */
shutdown(participant);
}
static void subscribe(int domain_id, int sample_count)
{
// --- Create participant --- //
/* To customize the participant QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DomainParticipant participant =
DDS.DomainParticipantFactory.get_instance().create_participant(
domain_id,
DDS.DomainParticipantFactory.PARTICIPANT_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
/* If 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 subscriber --- //
/* To customize the subscriber QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
shutdown(participant);
throw new ApplicationException("create_subscriber error");
}
// --- Create topic --- //
/* Register the type before creating the topic */
System.String type_name = 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 the 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 reader --- //
/* Create a data reader listener */
numbersListener reader_listener =
new numbersListener();
/* To customize the data reader QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DataReader reader = subscriber.create_datareader(
topic,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
reader_listener,
DDS.StatusMask.STATUS_MASK_ALL);
if (reader == null)
{
shutdown(participant);
reader_listener = null;
throw new ApplicationException("create_datareader error");
}
// --- Wait for data --- //
/* Main loop */
const System.Int32 receive_period = 4000; // milliseconds
for (int count = 0;
(sample_count == 0) || (count < sample_count);
++count)
{
Console.WriteLine(
"numbers subscriber sleeping for {0} sec...",
receive_period / 1000);
System.Threading.Thread.Sleep(receive_period);
}
// --- Shutdown --- //
/* Delete all entities */
shutdown(participant);
reader_listener = null;
}
static void subscribe(int domain_id, int sample_count)
{
// --- Create participant --- //
/* To customize the participant QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DomainParticipant participant =
DDS.DomainParticipantFactory.get_instance().create_participant(
domain_id,
DDS.DomainParticipantFactory.PARTICIPANT_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (participant == null)
{
shutdown(participant);
throw new ApplicationException("create_participant error");
}
// --- Create subscriber --- //
/* To customize the subscriber QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
shutdown(participant);
throw new ApplicationException("create_subscriber error");
}
/* 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_subscriber call above.
*/
// Start changes for coherent_presentation
/* Get default publisher QoS to customize */
/* DDS.SubscriberQos subscriber_qos = new DDS.SubscriberQos();
* participant.get_default_subscriber_qos(subscriber_qos);
*
* subscriber_qos.presentation.access_scope =
* DDS.PresentationQosPolicyAccessScopeKind.TOPIC_PRESENTATION_QOS;
* subscriber_qos.presentation.coherent_access = true;
*
* DDS.Subscriber subscriber = participant.create_subscriber(
* subscriber_qos,
* null,
* DDS.StatusMask.STATUS_MASK_NONE);
* if (subscriber == null) {
* shutdown(participant);
* throw new ApplicationException("create_subscriber error");
* }
*
*/ // End changes for coherent_presentation
// --- Create topic --- //
/* Register the type before creating the 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 the 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 reader --- //
/* Create a data reader listener */
coherentListener reader_listener =
new coherentListener();
/* To customize the data reader QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DataReader reader = subscriber.create_datareader(
topic,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
reader_listener,
DDS.StatusMask.STATUS_MASK_ALL);
if (reader == null)
{
shutdown(participant);
reader_listener = null;
throw new ApplicationException("create_datareader error");
}
// Start changes for coherent_presentation
/* Get default datareader QoS to customize */
/* DDS.DataReaderQos datareader_qos = new DDS.DataReaderQos();
* subscriber.get_default_datareader_qos(datareader_qos);
*
* datareader_qos.reliability.kind =
* DDS.ReliabilityQosPolicyKind.RELIABLE_RELIABILITY_QOS;
* datareader_qos.history.depth = 10;
*
* DDS.DataReader reader = subscriber.create_datareader(
* topic,
* datareader_qos,
* reader_listener,
* DDS.StatusMask.STATUS_MASK_ALL);
* if (reader == null) {
* shutdown(participant);
* reader_listener = null;
* throw new ApplicationException("create_datareader error");
* }
*/ // End changes for coherent_presentation
// --- Wait for data --- //
/* Main loop */
const System.Int32 receive_period = 4000; // milliseconds
for (int count = 0;
(sample_count == 0) || (count < sample_count);
++count)
{
System.Threading.Thread.Sleep(receive_period);
}
// --- Shutdown --- //
/* Delete all entities */
shutdown(participant);
reader_listener = null;
}
static void subscribe(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 subscriber --- //
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
shutdown(participant);
throw new ApplicationException("create_subscriber error");
}
/* Create DynamicData using TypeCode from Shapes.cxx
* 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 subscribing to a Square, wich 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 reader --- //
/* Create a data reader listener */
ShapeTypeListener reader_listener =
new ShapeTypeListener();
/* First, we create a generic DataReader for our topic */
DDS.DataReader reader = subscriber.create_datareader(
topic,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
reader_listener,
DDS.StatusMask.STATUS_MASK_ALL);
if (reader == null)
{
shutdown(participant);
reader_listener = null;
throw new ApplicationException("create_datareader error");
}
// --- Wait for data --- //
/* Main loop */
const System.Int32 receive_period = 4000; // milliseconds
for (int count = 0;
(sample_count == 0) || (count < sample_count);
++count)
{
Console.WriteLine(
"ShapeType subscriber sleeping for {0} sec...",
receive_period / 1000);
System.Threading.Thread.Sleep(receive_period);
}
// --- Shutdown --- //
/* Delete all entities */
shutdown(participant);
reader_listener = null;
}
static void subscribe(int domain_id, int sample_count)
{
// --- Create participant --- //
/* Create participant listener */
ParticipantListener participant_listener = new ParticipantListener();
/* We associate the participant_listener to the participant and set the
* status mask to get all the statuses */
DDS.DomainParticipant participant =
DDS.DomainParticipantFactory.get_instance().create_participant(
domain_id,
DDS.DomainParticipantFactory.PARTICIPANT_QOS_DEFAULT,
participant_listener /* listener */,
DDS.StatusMask.STATUS_MASK_ALL /* get all statuses */);
if (participant == null)
{
shutdown(participant);
participant_listener = null;
throw new ApplicationException("create_participant error");
}
// --- Create subscriber --- //
/* Create subscriber listener */
SubscriberListener subscriber_listener = new SubscriberListener();
/* Here we associate the subscriber listener to the subscriber and set the
* status mask to get all the statuses */
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
subscriber_listener /* listener */,
DDS.StatusMask.STATUS_MASK_ALL /* get all statuses */);
if (subscriber == null)
{
shutdown(participant);
participant_listener = null;
subscriber_listener = null;
throw new ApplicationException("create_subscriber error");
}
// --- Create topic --- //
/* Register the type before creating the 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);
participant_listener = null;
subscriber_listener = null;
throw e;
}
/* To customize the 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);
participant_listener = null;
subscriber_listener = null;
throw new ApplicationException("create_topic error");
}
// --- Create reader --- //
/* Create a data reader listener */
ReaderListener reader_listener = new ReaderListener();
/* Create Status mask to listen just LIVELINESS_CHANGED_STATUS and
* DATA_AVAILABLE_STATUS */
int liveliness_changed_mask = (int)DDS.StatusKind.LIVELINESS_CHANGED_STATUS;
int data_available_changed_mask = (int)DDS.StatusKind.DATA_AVAILABLE_STATUS;
data_available_changed_mask |= liveliness_changed_mask;
DDS.StatusMask combined_status_mask = (DDS.StatusMask)data_available_changed_mask;
/* Here we associate the data reader listener to the reader.
* We just listen for liveliness changed and data available,
* since most specific listeners will get called. */
DDS.DataReader reader = subscriber.create_datareader(
topic,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
reader_listener,
combined_status_mask);
if (reader == null)
{
shutdown(participant);
participant_listener = null;
subscriber_listener = null;
reader_listener = null;
throw new ApplicationException("create_datareader error");
}
// --- Wait for data --- //
/* Main loop */
const System.Int32 receive_period = 1000; // milliseconds
for (int count = 0;
(sample_count == 0) || (count < sample_count);
++count)
{
System.Threading.Thread.Sleep(receive_period);
}
// --- Shutdown --- //
/* Delete all entities */
shutdown(participant);
participant_listener = null;
subscriber_listener = null;
reader_listener = null;
}
static void subscribe(int domain_id, int sample_count)
{
// --- Create participant --- //
/* To customize the participant QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DomainParticipant participant =
DDS.DomainParticipantFactory.get_instance().create_participant(
domain_id,
DDS.DomainParticipantFactory.PARTICIPANT_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (participant == null)
{
shutdown(participant);
throw new ApplicationException("create_participant error");
}
// --- Create subscriber --- //
/* To customize the subscriber QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
shutdown(participant);
throw new ApplicationException("create_subscriber error");
}
// --- Create topic --- //
/* Register the type before creating the topic */
System.String type_name = 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 the 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 reader --- //
/* Create a data reader listener */
sequencesListener reader_listener =
new sequencesListener();
/* To customize the data reader QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DataReader reader = subscriber.create_datareader(
topic,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
reader_listener,
DDS.StatusMask.STATUS_MASK_ALL);
if (reader == null)
{
shutdown(participant);
reader_listener = null;
throw new ApplicationException("create_datareader error");
}
// --- Wait for data --- //
/* Main loop */
const System.Int32 receive_period = 4000; // milliseconds
for (int count = 0;
(sample_count == 0) || (count < sample_count);
++count)
{
Console.WriteLine(
"sequences subscriber sleeping for {0} sec...",
receive_period / 1000);
System.Threading.Thread.Sleep(receive_period);
}
// --- Shutdown --- //
/* Delete all entities */
shutdown(participant);
reader_listener = null;
}
static void subscribe(int domain_id, int sample_count)
{
// --- Create participant --- //
/* To customize the participant QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DomainParticipant participant =
DDS.DomainParticipantFactory.get_instance().create_participant(
domain_id,
DDS.DomainParticipantFactory.PARTICIPANT_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (participant == null)
{
shutdown(participant);
throw new ApplicationException("create_participant error");
}
// --- Create subscriber --- //
/* To customize the subscriber QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
shutdown(participant);
throw new ApplicationException("create_subscriber error");
}
// --- Create topic --- //
/* Register the type before creating the topic */
System.String type_name = 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 the 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 reader --- //
//// Start changes for Deadline
// Set up content filtered topic to show interaction with deadline
DDS.StringSeq parameters = new DDS.StringSeq(1);
// need to specify length otherwise create_contentfilteredtopic will
// throw an unhandled exception error!
if (parameters.ensure_length(1, 1) == false)
{
Console.WriteLine("ensure_length error\n");
}
parameters.set_at(0, "2");
DDS.ContentFilteredTopic cft = participant.create_contentfilteredtopic(
"ContentFilteredTopic", topic, "code < %0", parameters);
/* Create a data reader listener */
deadline_contentfilterListener reader_listener =
new deadline_contentfilterListener();
/* To customize the data reader QoS, use
* the configuration file USER_QOS_PROFILES.xml */
DDS.DataReader reader = subscriber.create_datareader(
cft,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
reader_listener,
DDS.StatusMask.STATUS_MASK_ALL);
if (reader == null)
{
shutdown(participant);
reader_listener = null;
throw new ApplicationException("create_datareader error");
}
/* If you want to change the DataReader'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_datareader 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, or if
* the content-filter filters out data so there is no data available
* with 2 seconds.
*/
/*
* DDS.DataReaderQos datareader_qos = new DDS.DataReaderQos();
* subscriber.get_default_datareader_qos(datareader_qos);
* if (datareader_qos == null)
* {
* shutdown(participant);
* reader_listener = null;
* throw new ApplicationException("get_default_datareader_qos error");
* }
*
* // Set deadline QoS to be 2 sec
* datareader_qos.deadline.period.sec = 2;
* datareader_qos.deadline.period.nanosec = 0;
*
* DDS.DataReader reader = subscriber.create_datareader(
* topic,
* datareader_qos, //DDS.Subscriber.DATAREADER_QOS_DEFAULT,
* reader_listener,
* DDS.StatusMask.STATUS_MASK_ALL);
* if (reader == null)
* {
* shutdown(participant);
* reader_listener = null;
* throw new ApplicationException("create_datareader error");
* }
*/
// --- Wait for data --- //
/* Main loop */
const System.Int32 receive_period = 1000; // milliseconds
for (int count = 0;
(sample_count == 0) || (count < sample_count);
++count)
{
// After 10 seconds, change content filter to accept only
// instance 0
if (count == 10)
{
Console.WriteLine("Starting to filter out instance1\n");
parameters.set_at(0, "1");
cft.set_expression_parameters(parameters);
}
System.Threading.Thread.Sleep(receive_period);
}
// --- Shutdown --- //
/* Delete all entities */
shutdown(participant);
reader_listener = null;
}
private static void Subscribe(int domainId, int sampleCount)
{
// --- Create participant --- //
DDS.DomainParticipant participant =
DDS.DomainParticipantFactory.get_instance().create_participant(
domainId,
DDS.DomainParticipantFactory.PARTICIPANT_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (participant == null)
{
Shutdown(participant);
throw new Exception("create_participant error");
}
// --- Create subscriber --- //
DDS.Subscriber subscriber = participant.create_subscriber(
DDS.DomainParticipant.SUBSCRIBER_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (subscriber == null)
{
Shutdown(participant);
throw new ApplicationException("create_subscriber error");
}
// --- Create topic --- //
// Register the type before creating the topic.
string typeName = FlightTypeSupport.get_type_name();
try {
FlightTypeSupport.register_type(participant, typeName);
}
catch (DDS.Exception e) {
Console.WriteLine("register_type error {0}", e);
Shutdown(participant);
throw e;
}
DDS.Topic topic = participant.create_topic(
"Example Flight",
typeName,
DDS.DomainParticipant.TOPIC_QOS_DEFAULT,
null /* listener */,
DDS.StatusMask.STATUS_MASK_NONE);
if (topic == null)
{
Shutdown(participant);
throw new ApplicationException("create_topic error");
}
// --- Create reader --- //
DDS.DataReader reader = subscriber.create_datareader(
topic,
DDS.Subscriber.DATAREADER_QOS_DEFAULT,
null,
DDS.StatusMask.STATUS_MASK_ALL);
if (reader == null)
{
Shutdown(participant);
throw new ApplicationException("create_datareader error");
}
FlightDataReader flightReader = (FlightDataReader)reader;
// Query for company named 'CompanyA' and for flights in cruise
// (about 30,000ft). The company parameter will be changed in
// run-time. NOTE: There must be single-quotes in the query
// parameters around-any strings! The single-quote do NOT go in the
// query condition itself.
DDS.StringSeq queryParameters = new DDS.StringSeq();
queryParameters.ensure_length(2, 2);
queryParameters.set_at(0, "'CompanyA'");
queryParameters.set_at(1, "30000");
Console.WriteLine(
"Setting parameters to company: {0} and altitude >= {1}\n",
queryParameters.get_at(0), queryParameters.get_at(1));
// Create the query condition with an expession to MATCH the id
// field in the structure and a numeric comparison.
DDS.QueryCondition queryCondition =
reader.create_querycondition(
DDS.SampleStateKind.ANY_SAMPLE_STATE,
DDS.ViewStateKind.ANY_VIEW_STATE,
DDS.InstanceStateKind.ALIVE_INSTANCE_STATE,
"company MATCH %0 AND altitude >= %1",
queryParameters);
// --- Wait for data --- //
const int receivePeriod = 1000; // Milliseconds
bool update = false;
for (int count = 0;
(sampleCount == 0) || (count < sampleCount);
count++)
{
// Poll for new samples every second.
System.Threading.Thread.Sleep(receivePeriod);
// Change the filter parameter after 5 seconds.
if ((count + 1) % 10 == 5)
{
queryParameters.set_at(0, "'CompanyB'");
update = true;
}
else if ((count + 1) % 10 == 0)
{
queryParameters.set_at(0, "'CompanyA'");
update = true;
}
// Set new parameters.
if (update)
{
Console.WriteLine("Changing parameter to {0}",
queryParameters.get_at(0));
queryCondition.set_query_parameters(queryParameters);
update = false;
}
// Iterate through the samples using read_w_condition.
FlightSeq dataSeq = new FlightSeq();
DDS.SampleInfoSeq infoSeq = new DDS.SampleInfoSeq();
try {
flightReader.read_w_condition(
dataSeq,
infoSeq,
DDS.ResourceLimitsQosPolicy.LENGTH_UNLIMITED,
queryCondition);
} catch (DDS.Retcode_NoData) {
continue;
} catch (DDS.Exception e) {
Shutdown(participant);
throw e;
}
for (int i = 0; i < dataSeq.length; i++)
{
DDS.SampleInfo info = (DDS.SampleInfo)infoSeq.get_at(i);
if (info.valid_data)
{
Flight flight_info = (Flight)dataSeq.get_at(i);
Console.WriteLine(
"\t[trackId: {0}, company: {1}, altitude: {2}]\n",
flight_info.trackId,
flight_info.company,
flight_info.altitude);
}
}
try {
flightReader.return_loan(dataSeq, infoSeq);
} catch (DDS.Exception e) {
Console.WriteLine("return loan error {0}", e);
}
}
// Delete all entities
Shutdown(participant);
}