void
Test::DataReaderListener::on_data_available (DDS::DataReader_ptr reader)
throw (CORBA::SystemException)
{
Test::DataDataReader_var dr = Test::DataDataReader::_narrow (reader);
if (CORBA::is_nil (dr.in ())) {
cerr << "read: _narrow failed." << endl;
exit (1);
}
Test::Data the_data;
DDS::SampleInfo si;
(void) dr->take_next_sample (the_data, si);
}
void
Test::DataReaderListener::on_data_available (DDS::DataReader_ptr reader)
throw (CORBA::SystemException)
{
Test::DataDataReader_var dr = Test::DataDataReader::_narrow (reader);
if (CORBA::is_nil (dr.in ())) {
ACE_ERROR((LM_ERROR,
ACE_TEXT ("(%P|%t) Test::DataReaderListener::on_data_available() - ")
ACE_TEXT ("data on unexpected reader type.\n")
));
return;
}
Test::Data data;
DDS::SampleInfo info;
int count = 0;
while( DDS::RETCODE_OK == dr->take_next_sample( data, info)) {
if( info.valid_data) {
++this->count_;
if (count_ % 50 == 0)
ACE_OS::sleep(2);
if (count_ % 1000 == 0)
ACE_DEBUG((LM_DEBUG,
ACE_TEXT("(%P|%t) DataReaderListener::on_data_available() - ")
ACE_TEXT("received %d samples\n"),
count_));
if( this->verbose_) {
ACE_DEBUG((LM_DEBUG,
ACE_TEXT("(%P|%t) DataReaderListener::on_data_available() - ")
ACE_TEXT("received valid sample(%d): %03d: %d, %C priority\n"),
count,
data.key,
data.value,
(data.priority == true ? "high" : "low")
));
}
if (data.priority) {
if (priority_sample_ != NOT_RECEIVED) {
priority_sample_ = RECEIVED_INVALID;
ACE_ERROR((LM_ERROR,
ACE_TEXT("(%P|%t) ERROR: DataReaderListener::on_data_available() - ")
ACE_TEXT("Received multiple high priority samples.\n")));
}
else if (recieved_samples_.count(data.before_value)) {
priority_sample_ = RECEIVED_INVALID;
// (there is at least one entry so rbegin is valid)
const long highest = *recieved_samples_.rbegin();
ACE_ERROR((LM_ERROR,
ACE_TEXT("(%P|%t) ERROR: DataReaderListener::on_data_available() - ")
ACE_TEXT("Did not receive high priority sample before low priority ")
ACE_TEXT("sample %d (highest received sample=%d.\n"),
data.before_value,
highest));
}
else
priority_sample_ = RECEIVED_VALID;
}
else if (!recieved_samples_.insert(data.value).second) {
recieved_samples_invalid_ = true;
ACE_ERROR((LM_ERROR,
ACE_TEXT("(%P|%t) ERROR: DataReaderListener::on_data_available() - ")
ACE_TEXT("Received duplicate sample %d.\n"),
data.value));
}
else if (data.value > 1 && !recieved_samples_.count(data.value - 1)) {
recieved_samples_invalid_ = true;
ACE_ERROR((LM_ERROR,
ACE_TEXT("(%P|%t) ERROR: DataReaderListener::on_data_available() - ")
ACE_TEXT("Received the sample %d before the previous sample.\n"),
data.value));
}
else if (recieved_samples_.count(data.value + 1)) {
recieved_samples_invalid_ = true;
ACE_ERROR((LM_ERROR,
ACE_TEXT("(%P|%t) ERROR: DataReaderListener::on_data_available() - ")
ACE_TEXT("Received the sample %d after the next sample.\n"),
data.value));
}
}
else if (info.instance_state == DDS::NOT_ALIVE_DISPOSED_INSTANCE_STATE)
{
ACE_DEBUG((LM_DEBUG,
ACE_TEXT("(%P|%t) DataReaderListener::on_data_available() - ")
ACE_TEXT("received dispose\n")));
}
else if (info.instance_state == DDS::NOT_ALIVE_NO_WRITERS_INSTANCE_STATE)
{
ACE_DEBUG((LM_DEBUG,
ACE_TEXT("(%P|%t) DataReaderListener::on_data_available() - ")
ACE_TEXT("received unregister\n")));
}
else
ACE_ERROR((LM_ERROR,
ACE_TEXT("(%P|%t) ERROR: DataReaderListener::on_data_available() - ")
ACE_TEXT("received an INVALID sample.\n")));
}
}