Writer(const Publisher_var& pub, const char* topic_name,
const DomainParticipant_var& other_participant)
: ts_(new typename ::OpenDDS::DCPS::DDSTraits<MessageType>::TypeSupportTypeImpl())
{
DomainParticipant_var dp = pub->get_participant();
check(ts_->register_type(dp, ""));
check(ts_->register_type(other_participant, ""));
CORBA::String_var type_name = ts_->get_type_name();
Topic_var topic = dp->create_topic(topic_name, type_name,
TOPIC_QOS_DEFAULT, 0, DEFAULT_STATUS_MASK);
Topic_var topic2 = other_participant->create_topic(topic_name, type_name,
TOPIC_QOS_DEFAULT, 0, DEFAULT_STATUS_MASK);
dw_ = pub->create_datawriter(topic,
DATAWRITER_QOS_DEFAULT, 0, DEFAULT_STATUS_MASK);
}
void test_setup(const DomainParticipant_var& dp,
const MessageTypeSupport_var& ts, const Publisher_var& pub,
const Subscriber_var& sub, const char* topicName, DataWriter_var& dw,
DataReader_var& dr)
{
Topic_var topic = dp->create_topic(topicName, ts->get_type_name(),
TOPIC_QOS_DEFAULT, 0,
DEFAULT_STATUS_MASK);
DataWriterQos dw_qos;
pub->get_default_datawriter_qos(dw_qos);
dw_qos.history.kind = KEEP_ALL_HISTORY_QOS;
dw = pub->create_datawriter(topic, dw_qos, 0, DEFAULT_STATUS_MASK);
DataReaderQos dr_qos;
sub->get_default_datareader_qos(dr_qos);
dr_qos.history.kind = KEEP_ALL_HISTORY_QOS;
dr = sub->create_datareader(topic, dr_qos, 0, DEFAULT_STATUS_MASK);
StatusCondition_var dw_sc = dw->get_statuscondition();
dw_sc->set_enabled_statuses(PUBLICATION_MATCHED_STATUS);
WaitSet_var ws = new WaitSet;
ws->attach_condition(dw_sc);
Duration_t infinite = {DURATION_INFINITE_SEC, DURATION_INFINITE_NSEC};
ConditionSeq active;
ws->wait(active, infinite);
ws->detach_condition(dw_sc);
}
void recreate_data_writer_and_topic(DataWriter_var& dw, const DataReader_var& dr)
{
DataWriterQos dw_qos;
dw->get_qos(dw_qos);
Topic_var topic = dw->get_topic();
TopicQos topic_qos;
topic->get_qos(topic_qos);
CORBA::String_var topic_name = topic->get_name(),
type_name = topic->get_type_name();
Publisher_var pub = dw->get_publisher();
DomainParticipant_var dp = pub->get_participant();
pub->delete_datawriter(dw);
dw = 0;
dp->delete_topic(topic);
topic = 0;
// Wait until the data reader is not associated with the writer.
wait_match (dr, 0);
topic = dp->create_topic(topic_name, type_name, topic_qos, 0, 0);
if (!topic) {
ACE_DEBUG((LM_ERROR, "ERROR: %P failed to re-create topic\n"));
return;
}
dw = pub->create_datawriter(topic, dw_qos, 0, 0);
if (!dw) {
ACE_DEBUG((LM_ERROR, "ERROR: %P failed to re-create data writer\n"));
}
}
DataReader_var create_data_reader(const DomainParticipant_var& dp)
{
TypeSupport_var ts = new TestMsgTypeSupportImpl;
if (ts->register_type(dp, "") != RETCODE_OK) {
ACE_DEBUG((LM_ERROR, "ERROR: %P failed to register type support\n"));
return 0;
}
TopicQos topic_qos;
dp->get_default_topic_qos(topic_qos);
set_qos(topic_qos.topic_data.value, TestConfig::TOPIC_DATA());
CORBA::String_var type_name = ts->get_type_name();
Topic_var topic = dp->create_topic("Movie Discussion List",
type_name,
topic_qos,
0,
DEFAULT_STATUS_MASK);
if (!topic) {
ACE_DEBUG((LM_ERROR, "ERROR: %P failed to create topic\n"));
return 0;
}
Subscriber_var sub = dp->create_subscriber(SUBSCRIBER_QOS_DEFAULT,
0,
DEFAULT_STATUS_MASK);
if (!sub) {
ACE_DEBUG((LM_ERROR, "ERROR: %P failed to create subscriber\n"));
return 0;
}
DataReaderQos dr_qos;
sub->get_default_datareader_qos(dr_qos);
dr_qos.reliability.kind = RELIABLE_RELIABILITY_QOS;
set_qos(dr_qos.user_data.value, TestConfig::DATA_READER_USER_DATA());
DataReader_var dr = sub->create_datareader(topic,
dr_qos,
0,
DEFAULT_STATUS_MASK);
if (!dr) {
ACE_DEBUG((LM_ERROR, "ERROR: %P failed to create data reader\n"));
return 0;
}
return dr;
}
DataWriter_var create_data_writer(const DomainParticipant_var& dp2)
{
TypeSupport_var ts = new TestMsgTypeSupportImpl;
if (ts->register_type(dp2, "") != RETCODE_OK) {
ACE_DEBUG((LM_ERROR, "ERROR: %P failed to register type support\n"));
return 0;
}
TopicQos topic_qos;
dp2->get_default_topic_qos(topic_qos);
set_qos(topic_qos.topic_data.value, TestConfig::TOPIC_DATA());
CORBA::String_var type_name = ts->get_type_name();
Topic_var topic = dp2->create_topic("Movie Discussion List",
type_name,
topic_qos,
0,
DEFAULT_STATUS_MASK);
if (!topic) {
ACE_DEBUG((LM_ERROR, "ERROR: %P failed to create topic\n"));
return 0;
}
Publisher_var pub = dp2->create_publisher(PUBLISHER_QOS_DEFAULT,
0,
DEFAULT_STATUS_MASK);
if (!pub) {
ACE_DEBUG((LM_ERROR, "ERROR: %P failed to create publisher\n"));
return 0;
}
DataWriterQos dw_qos;
pub->get_default_datawriter_qos(dw_qos);
set_qos(dw_qos.user_data.value, TestConfig::DATA_WRITER_USER_DATA());
DataWriter_var dw = pub->create_datawriter(topic,
dw_qos,
0,
DEFAULT_STATUS_MASK);
if (!dw) {
ACE_DEBUG((LM_ERROR, "ERROR: %P failed to create data writer\n"));
return 0;
}
return dw;
}
int run_test(int argc, ACE_TCHAR *argv[])
{
using namespace DDS;
using namespace OpenDDS::DCPS;
WaitSet_var ws = new WaitSet;
DomainParticipantFactory_var dpf = TheParticipantFactoryWithArgs(argc, argv);
DomainParticipant_var dp = dpf->create_participant(23,
PARTICIPANT_QOS_DEFAULT, 0, ::OpenDDS::DCPS::DEFAULT_STATUS_MASK);
Messenger::MessageTypeSupport_var ts = new Messenger::MessageTypeSupportImpl;
ts->register_type(dp, ts->get_type_name());
Topic_var topic = dp->create_topic("MyTopic", ts->get_type_name(),
TOPIC_QOS_DEFAULT, 0, ::OpenDDS::DCPS::DEFAULT_STATUS_MASK);
Publisher_var pub = dp->create_publisher(PUBLISHER_QOS_DEFAULT, 0,
::OpenDDS::DCPS::DEFAULT_STATUS_MASK);
TransportImpl_rch pub_tport =
TheTransportFactory->create_transport_impl(1, AUTO_CONFIG);
PublisherImpl* pub_impl = dynamic_cast<PublisherImpl*> (pub.in());
pub_impl->attach_transport(pub_tport.in());
DataWriter_var dw = pub->create_datawriter(topic, DATAWRITER_QOS_DEFAULT, 0,
::OpenDDS::DCPS::DEFAULT_STATUS_MASK);
StatusCondition_var cond = dw->get_statuscondition();
cond->set_enabled_statuses(OFFERED_INCOMPATIBLE_QOS_STATUS);
ws->attach_condition(cond);
Subscriber_var sub = dp->create_subscriber(SUBSCRIBER_QOS_DEFAULT, 0,
::OpenDDS::DCPS::DEFAULT_STATUS_MASK);
TransportImpl_rch sub_tport =
TheTransportFactory->create_transport_impl(2, AUTO_CONFIG);
SubscriberImpl* sub_impl = dynamic_cast<SubscriberImpl*> (sub.in());
sub_impl->attach_transport(sub_tport.in());
DataReaderQos dr_qos;
sub->get_default_datareader_qos(dr_qos);
dr_qos.durability.kind = PERSISTENT_DURABILITY_QOS;
Waiter w(ws);
w.activate();
DataReader_var dr = sub->create_datareader(topic, dr_qos, 0,
::OpenDDS::DCPS::DEFAULT_STATUS_MASK);
w.wait();
bool passed = (w.result() == RETCODE_OK);
ws->detach_condition(cond);
dp->delete_contained_entities();
dpf->delete_participant(dp);
return passed ? 0 : 1;
}
int
main (
int ,
char *[])
{
/* Generic DDS entities */
DomainParticipant_var participant;
Topic_var chatMessageTopic;
Topic_var nameServiceTopic;
Subscriber_var chatSubscriber;
DataReader_ptr parentReader;
QueryCondition_var singleUser;
ReadCondition_var newUser;
StatusCondition_var leftUser;
WaitSet_var userLoadWS;
LivelinessChangedStatus livChangStatus;
/* QosPolicy holders */
TopicQos setting_topic_qos;
TopicQos reliable_topic_qos;
SubscriberQos sub_qos;
DataReaderQos message_qos;
/* DDS Identifiers */
DomainId_t domain = NULL;
ReturnCode_t status;
ConditionSeq guardList;
/* Type-specific DDS entities */
ChatMessageTypeSupport_var chatMessageTS;
NameServiceTypeSupport_var nameServiceTS;
NameServiceDataReader_var nameServer;
ChatMessageDataReader_var loadAdmin;
ChatMessageSeq msgList;
NameServiceSeq nsList;
SampleInfoSeq infoSeq;
SampleInfoSeq infoSeq2;
/* Others */
StringSeq args;
char * chatMessageTypeName = NULL;
char * nameServiceTypeName = NULL;
bool closed = false;
CORBA::Long prevCount = 0;
DWORD tid;
HANDLE tHandle = INVALID_HANDLE_VALUE;
/* Create a DomainParticipant (using the 'TheParticipantFactory' convenience macro). */
participant = TheParticipantFactory->create_participant (
domain,
PARTICIPANT_QOS_DEFAULT,
NULL,
STATUS_MASK_NONE);
checkHandle(participant.in(), "DDS::DomainParticipantFactory::create_participant");
/* Register the required datatype for ChatMessage. */
chatMessageTS = new ChatMessageTypeSupport();
checkHandle(chatMessageTS.in(), "new ChatMessageTypeSupport");
chatMessageTypeName = chatMessageTS->get_type_name();
status = chatMessageTS->register_type(participant.in(), chatMessageTypeName);
checkStatus(status, "Chat::ChatMessageTypeSupport::register_type");
/* Register the required datatype for NameService. */
nameServiceTS = new NameServiceTypeSupport();
checkHandle(nameServiceTS.in(), "new NameServiceTypeSupport");
nameServiceTypeName = nameServiceTS->get_type_name();
status = nameServiceTS->register_type(participant.in(), nameServiceTypeName);
checkStatus(status, "Chat::NameServiceTypeSupport::register_type");
/* Set the ReliabilityQosPolicy to RELIABLE. */
status = participant->get_default_topic_qos(reliable_topic_qos);
checkStatus(status, "DDS::DomainParticipant::get_default_topic_qos");
reliable_topic_qos.reliability.kind = RELIABLE_RELIABILITY_QOS;
/* Make the tailored QoS the new default. */
status = participant->set_default_topic_qos(reliable_topic_qos);
checkStatus(status, "DDS::DomainParticipant::set_default_topic_qos");
/* Use the changed policy when defining the ChatMessage topic */
chatMessageTopic = participant->create_topic(
"Chat_ChatMessage",
chatMessageTypeName,
reliable_topic_qos,
NULL,
STATUS_MASK_NONE);
checkHandle(chatMessageTopic.in(), "DDS::DomainParticipant::create_topic (ChatMessage)");
/* Set the DurabilityQosPolicy to TRANSIENT. */
status = participant->get_default_topic_qos(setting_topic_qos);
checkStatus(status, "DDS::DomainParticipant::get_default_topic_qos");
setting_topic_qos.durability.kind = TRANSIENT_DURABILITY_QOS;
/* Create the NameService Topic. */
nameServiceTopic = participant->create_topic(
"Chat_NameService",
nameServiceTypeName,
setting_topic_qos,
NULL,
STATUS_MASK_NONE);
checkHandle(nameServiceTopic.in(), "DDS::DomainParticipant::create_topic");
/* Adapt the default SubscriberQos to read from the "ChatRoom" Partition. */
status = participant->get_default_subscriber_qos (sub_qos);
checkStatus(status, "DDS::DomainParticipant::get_default_subscriber_qos");
sub_qos.partition.name.length(1);
sub_qos.partition.name[0UL] = "ChatRoom";
/* Create a Subscriber for the UserLoad application. */
chatSubscriber = participant->create_subscriber(sub_qos, NULL, STATUS_MASK_NONE);
checkHandle(chatSubscriber.in(), "DDS::DomainParticipant::create_subscriber");
/* Create a DataReader for the NameService Topic (using the appropriate QoS). */
parentReader = chatSubscriber->create_datareader(
nameServiceTopic.in(),
DATAREADER_QOS_USE_TOPIC_QOS,
NULL,
STATUS_MASK_NONE);
checkHandle(parentReader, "DDS::Subscriber::create_datareader (NameService)");
/* Narrow the abstract parent into its typed representative. */
nameServer = NameServiceDataReader::_narrow(parentReader);
checkHandle(nameServer.in(), "Chat::NameServiceDataReader::_narrow");
/* Adapt the DataReaderQos for the ChatMessageDataReader to keep track of all messages. */
status = chatSubscriber->get_default_datareader_qos(message_qos);
checkStatus(status, "DDS::Subscriber::get_default_datareader_qos");
status = chatSubscriber->copy_from_topic_qos(message_qos, reliable_topic_qos);
checkStatus(status, "DDS::Subscriber::copy_from_topic_qos");
message_qos.history.kind = KEEP_ALL_HISTORY_QOS;
/* Create a DataReader for the ChatMessage Topic (using the appropriate QoS). */
parentReader = chatSubscriber->create_datareader(
chatMessageTopic.in(),
message_qos,
NULL,
STATUS_MASK_NONE);
checkHandle(parentReader, "DDS::Subscriber::create_datareader (ChatMessage)");
/* Narrow the abstract parent into its typed representative. */
loadAdmin = ChatMessageDataReader::_narrow(parentReader);
checkHandle(loadAdmin.in(), "Chat::ChatMessageDataReader::_narrow");
/* Initialize the Query Arguments. */
args.length(1);
args[0UL] = "0";
/* Create a QueryCondition that will contain all messages with userID=ownID */
singleUser = loadAdmin->create_querycondition(
ANY_SAMPLE_STATE,
ANY_VIEW_STATE,
ANY_INSTANCE_STATE,
"userID=%0",
args);
checkHandle(singleUser.in(), "DDS::DataReader::create_querycondition");
/* Create a ReadCondition that will contain new users only */
newUser = nameServer->create_readcondition(
NOT_READ_SAMPLE_STATE,
NEW_VIEW_STATE,
ALIVE_INSTANCE_STATE);
checkHandle(newUser.in(), "DDS::DataReader::create_readcondition");
/* Obtain a StatusCondition that triggers only when a Writer changes Liveliness */
leftUser = loadAdmin->get_statuscondition();
checkHandle(leftUser.in(), "DDS::DataReader::get_statuscondition");
status = leftUser->set_enabled_statuses(LIVELINESS_CHANGED_STATUS);
checkStatus(status, "DDS::StatusCondition::set_enabled_statuses");
/* Create a bare guard which will be used to close the room */
escape = new GuardCondition();
/* Create a waitset and add the ReadConditions */
userLoadWS = new WaitSet();
status = userLoadWS->attach_condition(newUser.in());
checkStatus(status, "DDS::WaitSet::attach_condition (newUser)");
status = userLoadWS->attach_condition(leftUser.in());
checkStatus(status, "DDS::WaitSet::attach_condition (leftUser)");
status = userLoadWS->attach_condition(escape.in());
checkStatus(status, "DDS::WaitSet::attach_condition (escape)");
/* Initialize and pre-allocate the GuardList used to obtain the triggered Conditions. */
guardList.length(3);
/* Remove all known Users that are not currently active. */
status = nameServer->take(
nsList,
infoSeq,
LENGTH_UNLIMITED,
ANY_SAMPLE_STATE,
ANY_VIEW_STATE,
NOT_ALIVE_INSTANCE_STATE);
checkStatus(status, "Chat::NameServiceDataReader::take");
status = nameServer->return_loan(nsList, infoSeq);
checkStatus(status, "Chat::NameServiceDataReader::return_loan");
/* Start the sleeper thread. */
tHandle = CreateThread(NULL, 0, delayedEscape, NULL, 0, &tid);
while (!closed) {
/* Wait until at least one of the Conditions in the waitset triggers. */
status = userLoadWS->wait(guardList, DURATION_INFINITE);
checkStatus(status, "DDS::WaitSet::wait");
/* Walk over all guards to display information */
for (CORBA::ULong i = 0; i < guardList.length(); i++) {
if ( guardList[i].in() == newUser.in() ) {
/* The newUser ReadCondition contains data */
status = nameServer->read_w_condition(
nsList,
infoSeq,
LENGTH_UNLIMITED,
newUser.in() );
checkStatus(status, "Chat::NameServiceDataReader::read_w_condition");
for (CORBA::ULong j = 0; j < nsList.length(); j++) {
cout << "New user: "******"Chat::NameServiceDataReader::return_loan");
} else if ( guardList[i].in() == leftUser.in() ) {
/* Some liveliness has changed (either a DataWriter joined or a DataWriter left) */
status = loadAdmin->get_liveliness_changed_status(livChangStatus);
checkStatus(status, "DDS::DataReader::get_liveliness_changed_status");
if (livChangStatus.alive_count < prevCount) {
/* A user has left the ChatRoom, since a DataWriter lost its liveliness */
/* Take the effected users so tey will not appear in the list later on. */
status = nameServer->take(
nsList,
infoSeq,
LENGTH_UNLIMITED,
ANY_SAMPLE_STATE,
ANY_VIEW_STATE,
NOT_ALIVE_NO_WRITERS_INSTANCE_STATE);
checkStatus(status, "Chat::NameServiceDataReader::take");
for (CORBA::ULong j = 0; j < nsList.length(); j++) {
/* re-apply query arguments */
ostringstream numberString;
numberString << nsList[j].userID;
args[0UL] = numberString.str().c_str();
status = singleUser->set_query_parameters(args);
checkStatus(status, "DDS::QueryCondition::set_query_parameters");
/* Read this users history */
status = loadAdmin->take_w_condition(
msgList,
infoSeq2,
LENGTH_UNLIMITED,
singleUser.in() );
checkStatus(status, "Chat::ChatMessageDataReader::take_w_condition");
/* Display the user and his history */
cout << "Departed user " << nsList[j].name << " has sent " <<
msgList.length() << " messages." << endl;
status = loadAdmin->return_loan(msgList, infoSeq2);
checkStatus(status, "Chat::ChatMessageDataReader::return_loan");
}
status = nameServer->return_loan(nsList, infoSeq);
checkStatus(status, "Chat::NameServiceDataReader::return_loan");
}
prevCount = livChangStatus.alive_count;
} else if ( guardList[i].in() == escape.in() ) {
cout << "UserLoad has terminated." << endl;
closed = true;
}
else
{
assert(0);
};
} /* for */
} /* while (!closed) */
/* Remove all Conditions from the WaitSet. */
status = userLoadWS->detach_condition( escape.in() );
checkStatus(status, "DDS::WaitSet::detach_condition (escape)");
status = userLoadWS->detach_condition( leftUser.in() );
checkStatus(status, "DDS::WaitSet::detach_condition (leftUser)");
status = userLoadWS->detach_condition( newUser.in() );
checkStatus(status, "DDS::WaitSet::detach_condition (newUser)");
/* Remove the type-names. */
CORBA::string_free(chatMessageTypeName);
CORBA::string_free(nameServiceTypeName);
/* Free all resources */
status = participant->delete_contained_entities();
checkStatus(status, "DDS::DomainParticipant::delete_contained_entities");
status = TheParticipantFactory->delete_participant( participant.in() );
checkStatus(status, "DDS::DomainParticipantFactory::delete_participant");
CloseHandle(tHandle);
return 0;
}
int run_test(int argc, ACE_TCHAR *argv[])
{
using namespace DDS;
using namespace OpenDDS::DCPS;
using namespace Messenger;
WaitSet_var ws = new WaitSet;
DomainParticipantFactory_var dpf = TheParticipantFactoryWithArgs(argc, argv);
DomainParticipant_var dp = dpf->create_participant(23,
PARTICIPANT_QOS_DEFAULT, 0, ::OpenDDS::DCPS::DEFAULT_STATUS_MASK);
MessageTypeSupport_var ts = new MessageTypeSupportImpl;
// leave type name not speficied would register it with _interface_repository_id
ts->register_type(dp, "");
CORBA::String_var type_name = ts->get_type_name();
Topic_var topic = dp->create_topic("MyTopic", type_name,
TOPIC_QOS_DEFAULT, 0, ::OpenDDS::DCPS::DEFAULT_STATUS_MASK);
Publisher_var pub = dp->create_publisher(PUBLISHER_QOS_DEFAULT, 0,
::OpenDDS::DCPS::DEFAULT_STATUS_MASK);
DataWriter_var dw = pub->create_datawriter(topic, DATAWRITER_QOS_DEFAULT, 0,
::OpenDDS::DCPS::DEFAULT_STATUS_MASK);
Subscriber_var sub = dp->create_subscriber(SUBSCRIBER_QOS_DEFAULT, 0,
::OpenDDS::DCPS::DEFAULT_STATUS_MASK);
DataReader_var dr = sub->create_datareader(topic, DATAREADER_QOS_DEFAULT, 0,
::OpenDDS::DCPS::DEFAULT_STATUS_MASK);
StatusCondition_var dw_sc = dw->get_statuscondition();
dw_sc->set_enabled_statuses(PUBLICATION_MATCHED_STATUS);
ws->attach_condition(dw_sc);
Duration_t infinite = {DURATION_INFINITE_SEC, DURATION_INFINITE_NSEC};
ConditionSeq active;
ws->wait(active, infinite);
ws->detach_condition(dw_sc);
ReturnCode_t ret = RETCODE_OK;
MessageDataWriter_var mdw = MessageDataWriter::_narrow(dw);
Message msg = {0};
for (int i(0); i < 12; ++i) {
++msg.subject_id;
ret = mdw->write(msg, HANDLE_NIL);
if (ret != RETCODE_OK) return ret;
}
ReadCondition_var dr_rc = dr->create_readcondition(NOT_READ_SAMPLE_STATE,
NEW_VIEW_STATE, ALIVE_INSTANCE_STATE);
ReadCondition_var dr_rc2 = dr->create_readcondition(ANY_SAMPLE_STATE,
ANY_VIEW_STATE, NOT_ALIVE_DISPOSED_INSTANCE_STATE);
ws->attach_condition(dr_rc);
ws->attach_condition(dr_rc2);
MessageDataReader_var mdr = MessageDataReader::_narrow(dr);
bool passed = true, done = false;
while (!done) {
ret = ws->wait(active, infinite);
if (ret != RETCODE_OK) {
passed = false;
break;
}
cout << "wait returned" << endl;
for (CORBA::ULong i(0); i < active.length(); ++i) {
if (active[i] == dr_rc) {
// To test both take_w_condition and
// take_next_instance_w_condition, we'll limit the "take" to 3
// samples and then use take_next_instance_w_condition.
MessageSeq data;
SampleInfoSeq info;
ret = mdr->take_w_condition(data, info, 3, dr_rc);
if (ret != RETCODE_OK && ret != RETCODE_NO_DATA) {
cout << "ERROR: take_w_condition returned " << ret << endl;
passed = false;
done = true;
}
if (ret == RETCODE_OK) {
received_data(data, mdw, msg);
}
cout << "testing take_next_instance_w_condition" << endl;
InstanceHandle_t handle = HANDLE_NIL;
while (true) {
ret = mdr->take_next_instance_w_condition(data, info, 1,
handle, dr_rc);
if (ret == RETCODE_NO_DATA) break;
if (ret != RETCODE_OK) {
cout << "ERROR: take_next_instance_w_condition returned "
<< ret << endl;
passed = false;
done = true;
}
received_data(data, mdw, msg);
handle = info[info.length() - 1].instance_handle;
}
} else if (active[i] == dr_rc2) {
cout << "an instance has been disposed, exiting" << endl;
done = true;
}
}
}
ws->detach_condition(dr_rc);
dr->delete_readcondition(dr_rc);
ws->detach_condition(dr_rc2);
// Instead of: dr->delete_readcondition(dr_rc2);
dr->delete_contained_entities();
dp->delete_contained_entities();
dpf->delete_participant(dp);
return passed ? 0 : 1;
}
int
OSPL_MAIN (
int argc,
char *argv[])
{
/* Generic DDS entities */
DomainParticipantFactory_var dpf;
DomainParticipant_var participant;
Topic_var chatMessageTopic;
Subscriber_var chatSubscriber;
DataReader_ptr parentReader;
/* Type-specific DDS entities */
ChatMessageTypeSupport_var chatMessageTS;
ChatMessageDataReader_var chatAdmin;
ChatMessageSeq_var msgSeq = new ChatMessageSeq();
SampleInfoSeq_var infoSeq = new SampleInfoSeq();
/* QosPolicy holders */
TopicQos reliable_topic_qos;
SubscriberQos sub_qos;
DDS::StringSeq parameterList;
/* DDS Identifiers */
DomainId_t domain = 0;
ReturnCode_t status;
/* Others */
bool terminated = false;
const char * partitionName = "ChatRoom1";
char * chatMessageTypeName = NULL;
/* Options: MessageBoard [ownID] */
/* Messages having owner ownID will be ignored */
parameterList.length(1);
if (argc > 1) {
parameterList[0] = string_dup(argv[1]);
}
else
{
parameterList[0] = "0";
}
/* Create a DomainParticipantFactory and a DomainParticipant (using Default QoS settings. */
dpf = DomainParticipantFactory::get_instance();
checkHandle(dpf.in(), "DDS::DomainParticipantFactory::get_instance");
participant = dpf->create_participant (
domain,
PARTICIPANT_QOS_DEFAULT,
NULL,
STATUS_MASK_NONE);
checkHandle(participant, "DDS::DomainParticipantFactory::create_participant");
/* Register the required datatype for ChatMessage. */
chatMessageTS = new ChatMessageTypeSupport();
checkHandle(chatMessageTS.in(), "new ChatMessageTypeSupport");
chatMessageTypeName = chatMessageTS->get_type_name();
status = chatMessageTS->register_type(
participant.in(),
chatMessageTypeName);
checkStatus(status, "NetworkPartitionsData::ChatMessageTypeSupport::register_type");
/* Set the ReliabilityQosPolicy to RELIABLE. */
status = participant->get_default_topic_qos(reliable_topic_qos);
checkStatus(status, "DDS::DomainParticipant::get_default_topic_qos");
reliable_topic_qos.reliability.kind = DDS::RELIABLE_RELIABILITY_QOS;
/* Make the tailored QoS the new default. */
status = participant->set_default_topic_qos(reliable_topic_qos);
checkStatus(status, "DDS::DomainParticipant::set_default_topic_qos");
/* Use the changed policy when defining the ChatMessage topic */
chatMessageTopic = participant->create_topic(
"Chat_ChatMessage",
chatMessageTypeName,
reliable_topic_qos,
NULL,
STATUS_MASK_NONE);
checkHandle(chatMessageTopic.in(), "DDS::DomainParticipant::create_topic (ChatMessage)");
/* Adapt the default SubscriberQos to read from the "ChatRoom1" Partition. */
status = participant->get_default_subscriber_qos (sub_qos);
checkStatus(status, "DDS::DomainParticipant::get_default_subscriber_qos");
sub_qos.partition.name.length(1);
sub_qos.partition.name[0] = partitionName;
/* Create a Subscriber for the MessageBoard application. */
chatSubscriber = participant->create_subscriber(sub_qos, NULL, STATUS_MASK_NONE);
checkHandle(chatSubscriber.in(), "DDS::DomainParticipant::create_subscriber");
/* Create a DataReader for the NamedMessage Topic (using the appropriate QoS). */
parentReader = chatSubscriber->create_datareader(
chatMessageTopic.in(),
DATAREADER_QOS_USE_TOPIC_QOS,
NULL,
STATUS_MASK_NONE);
checkHandle(parentReader, "DDS::Subscriber::create_datareader");
/* Narrow the abstract parent into its typed representative. */
chatAdmin = ChatMessageDataReader::_narrow(parentReader);
checkHandle(chatAdmin.in(), "NetworkPartitionsData::ChatMessageDataReader::_narrow");
/* Print a message that the MessageBoard has opened. */
cout << "MessageBoard has opened: send a ChatMessage with userID = -1 to close it...." << endl << endl;
while (!terminated) {
/* Note: using read does not remove the samples from
unregistered instances from the DataReader. This means
that the DataRase would use more and more resources.
That's why we use take here instead. */
status = chatAdmin->take(
msgSeq,
infoSeq,
LENGTH_UNLIMITED,
ANY_SAMPLE_STATE,
ANY_VIEW_STATE,
ALIVE_INSTANCE_STATE );
checkStatus(status, "NetworkPartitionsData::ChatMessageDataReader::take");
for (ULong i = 0; i < msgSeq->length(); i++) {
ChatMessage *msg = &(msgSeq[i]);
if (msg->userID == TERMINATION_MESSAGE) {
cout << "Termination message received: exiting..." << endl;
terminated = true;
} else {
cout << msg->userID << ": " << msg->content << endl;
}
}
status = chatAdmin->return_loan(msgSeq, infoSeq);
checkStatus(status, "NetworkPartitionsData::ChatMessageDataReader::return_loan");
/* Sleep for some amount of time, so as not to consume too many CPU cycles. */
sleep(1);
}
/* Remove the DataReader */
status = chatSubscriber->delete_datareader(chatAdmin.in());
checkStatus(status, "DDS::Subscriber::delete_datareader");
/* Remove the Subscriber. */
status = participant->delete_subscriber(chatSubscriber.in());
checkStatus(status, "DDS::DomainParticipant::delete_subscriber");
/* Remove the Topic. */
status = participant->delete_topic(chatMessageTopic.in());
checkStatus(status, "DDS::DomainParticipant::delete_topic (chatMessageTopic)");
/* De-allocate the type-names. */
string_free(chatMessageTypeName);
/* Remove the DomainParticipant. */
status = dpf->delete_participant(participant.in());
checkStatus(status, "DDS::DomainParticipantFactory::delete_participant");
return 0;
}
int
OSPL_MAIN (
int argc,
char *argv[])
{
/* Generic DDS entities */
DomainParticipantFactory_var dpf;
DomainParticipant_var participant;
Topic_var chatMessageTopic;
Publisher_var chatPublisher;
DataWriter_ptr parentWriter;
/* QosPolicy holders */
TopicQos reliable_topic_qos;
PublisherQos pub_qos;
DataWriterQos dw_qos;
/* DDS Identifiers */
DomainId_t domain = 0;
InstanceHandle_t userHandle;
ReturnCode_t status;
/* Type-specific DDS entities */
ChatMessageTypeSupport_var chatMessageTS;
ChatMessageDataWriter_var talker;
/* Sample definitions */
ChatMessage *msg; /* Example on Heap */
/* Others */
int ownID = 1;
int i;
const char *partitionName = "ChatRoom1";
char *chatMessageTypeName = NULL;
char buf[MAX_MSG_LEN];
#ifdef INTEGRITY
#ifdef CHATTER_QUIT
ownID = -1;
#else
ownID = 1;
#endif
#else
/* Options: Chatter [ownID] */
if (argc > 1) {
ownID = atoi(argv[1]);
}
#endif
/* Create a DomainParticipantFactory and a DomainParticipant (using Default QoS settings. */
dpf = DomainParticipantFactory::get_instance ();
checkHandle(dpf.in(), "DDS::DomainParticipantFactory::get_instance");
participant = dpf->create_participant(domain, PARTICIPANT_QOS_DEFAULT, NULL, STATUS_MASK_NONE);
checkHandle(participant.in(), "DDS::DomainParticipantFactory::create_participant");
/* Register the required datatype for ChatMessage. */
chatMessageTS = new ChatMessageTypeSupport();
checkHandle(chatMessageTS.in(), "new ChatMessageTypeSupport");
chatMessageTypeName = chatMessageTS->get_type_name();
status = chatMessageTS->register_type(
participant.in(),
chatMessageTypeName);
checkStatus(status, "NetworkPartitionsData::ChatMessageTypeSupport::register_type");
/* Set the ReliabilityQosPolicy to RELIABLE. */
status = participant->get_default_topic_qos(reliable_topic_qos);
checkStatus(status, "DDS::DomainParticipant::get_default_topic_qos");
reliable_topic_qos.reliability.kind = RELIABLE_RELIABILITY_QOS;
/* Make the tailored QoS the new default. */
status = participant->set_default_topic_qos(reliable_topic_qos);
checkStatus(status, "DDS::DomainParticipant::set_default_topic_qos");
/* Use the changed policy when defining the ChatMessage topic */
chatMessageTopic = participant->create_topic(
"Chat_ChatMessage",
chatMessageTypeName,
reliable_topic_qos,
NULL,
STATUS_MASK_NONE);
checkHandle(chatMessageTopic.in(), "DDS::DomainParticipant::create_topic (ChatMessage)");
/* Adapt the default PublisherQos to write into the "ChatRoom1" Partition. */
status = participant->get_default_publisher_qos (pub_qos);
checkStatus(status, "DDS::DomainParticipant::get_default_publisher_qos");
pub_qos.partition.name.length(1);
pub_qos.partition.name[0] = partitionName;
/* Create a Publisher for the chatter application. */
chatPublisher = participant->create_publisher(pub_qos, NULL, STATUS_MASK_NONE);
checkHandle(chatPublisher.in(), "DDS::DomainParticipant::create_publisher");
/* Create a DataWriter for the ChatMessage Topic (using the appropriate QoS). */
parentWriter = chatPublisher->create_datawriter(
chatMessageTopic.in(),
DATAWRITER_QOS_USE_TOPIC_QOS,
NULL,
STATUS_MASK_NONE);
checkHandle(parentWriter, "DDS::Publisher::create_datawriter (chatMessage)");
/* Narrow the abstract parent into its typed representative. */
talker = ChatMessageDataWriter::_narrow(parentWriter);
checkHandle(talker.in(), "NetworkPartitionsData::ChatMessageDataWriter::_narrow");
/* Initialize the chat messages on Heap. */
msg = new ChatMessage();
checkHandle(msg, "new ChatMessage");
msg->userID = ownID;
msg->index = 0;
if (ownID == TERMINATION_MESSAGE) {
snprintf(buf, MAX_MSG_LEN, "Termination message.");
} else {
snprintf(buf, MAX_MSG_LEN, "Hi there, I will send you %d more messages.", NUM_MSG);
}
msg->content = string_dup(buf);
cout << "Writing message: \"" << msg->content << "\"" << endl;
/* Register a chat message for this user (pre-allocating resources for it!!) */
userHandle = talker->register_instance(*msg);
/* Write a message using the pre-generated instance handle. */
status = talker->write(*msg, userHandle);
checkStatus(status, "NetworkPartitionsData::ChatMessageDataWriter::write");
sleep (1); /* do not run so fast! */
/* Write any number of messages, re-using the existing string-buffer: no leak!!. */
for (i = 1; i <= NUM_MSG && ownID != TERMINATION_MESSAGE; i++) {
msg->index = i;
snprintf(buf, MAX_MSG_LEN, "Message no. %d", i);
msg->content = string_dup(buf);
cout << "Writing message: \"" << msg->content << "\"" << endl;
status = talker->write(*msg, userHandle);
checkStatus(status, "NetworkPartitionsData::ChatMessageDataWriter::write");
sleep (1); /* do not run so fast! */
}
/* Leave the room by disposing and unregistering the message instance. */
status = talker->dispose(*msg, userHandle);
checkStatus(status, "NetworkPartitionsData::ChatMessageDataWriter::dispose");
status = talker->unregister_instance(*msg, userHandle);
checkStatus(status, "NetworkPartitionsData::ChatMessageDataWriter::unregister_instance");
/* Release the data-samples. */
delete msg; // msg allocated on heap: explicit de-allocation required!!
/* Remove the DataWriters */
status = chatPublisher->delete_datawriter( talker.in() );
checkStatus(status, "DDS::Publisher::delete_datawriter (talker)");
/* Remove the Publisher. */
status = participant->delete_publisher( chatPublisher.in() );
checkStatus(status, "DDS::DomainParticipant::delete_publisher");
status = participant->delete_topic( chatMessageTopic.in() );
checkStatus(status, "DDS::DomainParticipant::delete_topic (chatMessageTopic)");
/* Remove the type-names. */
string_free(chatMessageTypeName);
/* Remove the DomainParticipant. */
status = dpf->delete_participant( participant.in() );
checkStatus(status, "DDS::DomainParticipantFactory::delete_participant");
cout << "Completed Chatter example" << endl;
return 0;
}