void received_data(const Messenger::MessageSeq& data,
Messenger::MessageDataWriter_ptr mdw,
Messenger::Message& msg)
{
for (CORBA::ULong j(0); j < data.length(); ++j) {
cout << "took sample " << data[j].subject_id << endl;
if (data[j].subject_id > 8) mdw->dispose(msg, DDS::HANDLE_NIL);
}
}
void DataReaderListenerImpl::on_data_available(DDS::DataReader_ptr reader)
throw(CORBA::SystemException)
{
try {
Messenger::MessageDataReader_var message_dr =
Messenger::MessageDataReader::_narrow(reader);
if (CORBA::is_nil(message_dr.in())) {
ACE_ERROR((LM_ERROR,
ACE_TEXT("%T %N:%l: on_data_available()")
ACE_TEXT(" ERROR: _narrow failed!\n")));
ACE_OS::exit(-1);
}
Messenger::MessageSeq messages;
DDS::SampleInfoSeq info;
DDS::ReturnCode_t error = message_dr->take(messages,
info,
DDS::LENGTH_UNLIMITED,
DDS::ANY_SAMPLE_STATE,
DDS::ANY_VIEW_STATE,
DDS::ANY_INSTANCE_STATE);
if (error == DDS::RETCODE_OK) {
for (unsigned int i = 0; i < messages.length(); ++i) {
const DDS::SampleInfo& si = info[i];
if (si.valid_data) {
const Messenger::Message& message = messages[i];
// output for console to consume
std::stringstream ss;
ss << "Message: from writer " << message.process_id.in()
<< "->" << message.participant_id
<< "->" << message.writer_id
<< " sample_id = " << message.sample_id
<< " for reader=" << id_
<< std::endl;
std::cerr << ss.str();
// also track it in the log file
ACE_DEBUG((LM_DEBUG,
ACE_TEXT("%T %N:%l: Message: process_id = %C ")
ACE_TEXT("participant_id = %d ")
ACE_TEXT("writer_id = %d ")
ACE_TEXT("sample_id = %d ")
ACE_TEXT("for reader = %C\n"),
message.process_id.in(),
message.participant_id,
message.writer_id,
message.sample_id,
id_.c_str()));
for (CORBA::ULong i = 0; i < message.data.length(); ++i) {
if (message.data[i] != i % 256) {
std::cout << "ERROR: Bad data at index " << i << " writer_id "
<< message.writer_id << " sample_id " << message.sample_id
<< std::endl;
break;
}
}
if (!options_.no_validation) {
std::string process_id(message.process_id.in());
processes_[process_id][message.participant_id][message.writer_id].insert(message.sample_id);
}
++num_samples_;
} else if (si.instance_state == DDS::NOT_ALIVE_DISPOSED_INSTANCE_STATE) {
ACE_DEBUG((LM_DEBUG, ACE_TEXT("%T %N:%l: INFO: instance is disposed\n")));
} else if (si.instance_state == DDS::NOT_ALIVE_NO_WRITERS_INSTANCE_STATE) {
ACE_DEBUG((LM_DEBUG, ACE_TEXT("%T %N:%l: INFO: instance is unregistered\n")));
} else {
ACE_ERROR((LM_ERROR,
ACE_TEXT("%T %N:%l: on_data_available()")
ACE_TEXT(" ERROR: unknown instance state: %d\n"),
si.instance_state));
}
}
} else {
ACE_ERROR((LM_ERROR,
ACE_TEXT("%T %N:%l: on_data_available()")
ACE_TEXT(" ERROR: unexpected status: %d\n"),
error));
}
} catch (const CORBA::Exception& e) {
e._tao_print_exception("Exception caught in on_data_available():");
ACE_OS::exit(-1);
}
}
void
SubscriberListenerImpl::on_data_on_readers(
DDS::Subscriber_ptr subs)
{
::DDS::ReturnCode_t ret = subs->begin_access ();
if (ret != ::DDS::RETCODE_OK) {
ACE_ERROR((LM_ERROR,
ACE_TEXT("%N:%l: SubscriberListenerImpl::on_data_on_readers()")
ACE_TEXT(" ERROR: begin_access failed!\n")));
ACE_OS::exit(-1);
}
DDS::SubscriberQos qos;
ret = subs->get_qos (qos);
if (ret != ::DDS::RETCODE_OK) {
ACE_ERROR((LM_ERROR,
ACE_TEXT("%N:%l: SubscriberListenerImpl::on_data_on_readers()")
ACE_TEXT(" ERROR: get_qos failed!\n")));
ACE_OS::exit(-1);
}
::DDS::DataReaderSeq_var readers = new ::DDS::DataReaderSeq(100);
ret = subs->get_datareaders(readers.inout(),
::DDS::NOT_READ_SAMPLE_STATE,
::DDS::ANY_VIEW_STATE,
::DDS::ANY_INSTANCE_STATE) ;
if (ret != ::DDS::RETCODE_OK) {
ACE_ERROR((LM_ERROR,
ACE_TEXT("%N:%l: SubscriberListenerImpl::on_data_on_readers()")
ACE_TEXT(" ERROR: get_datareaders failed!\n")));
ACE_OS::exit(-1);
}
CORBA::ULong len = readers->length ();
if (qos.presentation.access_scope == ::DDS::GROUP_PRESENTATION_QOS) {
// redirect datareader listener to receive DISPOSE and UNREGISTER notifications.
if (len == 0) {
if (subs->notify_datareaders () != ::DDS::RETCODE_OK) {
ACE_ERROR((LM_ERROR,
ACE_TEXT("%N:%l: SubscriberListenerImpl::on_data_on_readers()")
ACE_TEXT(" ERROR: notify_datareaders failed!\n")));
this->verify_result_ = false;
}
return;
}
if (len != num_messages * 4) {
ACE_ERROR((LM_ERROR,
ACE_TEXT("%N:%l: SubscriberListenerImpl::on_data_on_readers()")
ACE_TEXT(" ERROR: get_datareaders returned %d readers!\n"),
len));
this->verify_result_ = false;
}
for (CORBA::ULong i = 0; i < len; ++i) {
Messenger::MessageDataReader_var message_dr =
Messenger::MessageDataReader::_narrow(readers[i]);
Messenger::MessageSeq msg;
::DDS::SampleInfoSeq si;
ret = message_dr->take(msg, si,
DDS::LENGTH_UNLIMITED,
::DDS::NOT_READ_SAMPLE_STATE,
::DDS::ANY_VIEW_STATE,
::DDS::ANY_INSTANCE_STATE) ;
if (msg.length() != 1 || si.length() != 1) {
ACE_ERROR((LM_ERROR,
ACE_TEXT("%N:%l: SubscriberListenerImpl::on_data_on_readers()")
ACE_TEXT(" ERROR: MessageSeq %d SampleInfoSeq %d!\n"),
msg.length(), si.length()));
this->verify_result_ = false;
}
if (ret != DDS::RETCODE_OK) {
ACE_ERROR((LM_ERROR,
ACE_TEXT("%N:%l: SubscriberListenerImpl::on_data_on_readers()")
ACE_TEXT(" ERROR: read failed!\n")));
ACE_OS::exit(-1);
}
this->verify (msg[0], si[0], qos, false);
}
}
else if (qos.presentation.access_scope == ::DDS::TOPIC_PRESENTATION_QOS) {
// redirect datareader listener to receive DISPOSE and UNREGISTER notifications.
if (len != 2) {
if (subs->notify_datareaders () != ::DDS::RETCODE_OK) {
ACE_ERROR((LM_ERROR,
ACE_TEXT("%N:%l: SubscriberListenerImpl::on_data_on_readers()")
ACE_TEXT(" ERROR: notify_datareaders failed!\n")));
this->verify_result_ = false;
}
return;
}
for (CORBA::ULong i = 0; i < len; ++i) {
Messenger::MessageDataReader_var message_dr =
Messenger::MessageDataReader::_narrow(readers[i]);
Messenger::MessageSeq msg;
::DDS::SampleInfoSeq si;
ret = message_dr->take(msg, si,
DDS::LENGTH_UNLIMITED,
::DDS::NOT_READ_SAMPLE_STATE,
::DDS::ANY_VIEW_STATE,
::DDS::ANY_INSTANCE_STATE) ;
if (si[0].instance_state == DDS::NOT_ALIVE_DISPOSED_INSTANCE_STATE
|| si[0].instance_state == DDS::NOT_ALIVE_NO_WRITERS_INSTANCE_STATE)
if (msg.length() != num_messages || si.length() != num_messages) {
ACE_ERROR((LM_ERROR,
ACE_TEXT("%N:%l: SubscriberListenerImpl::on_data_on_readers()")
ACE_TEXT(" ERROR: MessageSeq %d SampleInfoSeq %d !\n"),
msg.length(), si.length()));
this->verify_result_ = false;
}
if (ret != DDS::RETCODE_OK) {
ACE_ERROR((LM_ERROR,
ACE_TEXT("%N:%l: SubscriberListenerImpl::on_data_on_readers()")
ACE_TEXT(" ERROR: read failed!\n")));
ACE_OS::exit(-1);
}
CORBA::ULong num_samples = si.length();
for (CORBA::ULong i = 0; i < num_samples; ++i) {
this->verify (msg[i], si[i], qos, i == num_samples - 1 ? true : false);
}
}
}
else { //::DDS::INSTANCE_PRESENTATION_QOS
subs->notify_datareaders ();
}
ret = subs->end_access ();
if (ret != ::DDS::RETCODE_OK) {
ACE_ERROR((LM_ERROR,
ACE_TEXT("%N:%l: SubscriberListenerImpl::on_data_on_readers()")
ACE_TEXT(" ERROR: end_access failed!\n")));
ACE_OS::exit(-1);
}
}