/** Get a constrained list of interfaces.
* @param type_pattern tyoe pattern, may contain shell-like wildcards * (any number
* of characters) and ? (one character), cf. man fnmatch().
* @param id_pattern ID pattern, may contain shell-like wildcards * (any number
* of characters) and ? (one character), cf. man fnmatch().
* @return list of currently existing interfaces matching the given type and
* ID patterns. List may be outdated on return since there maybe concurrent
* actions.
*/
InterfaceInfoList *
BlackBoardInterfaceManager::list(const char *type_pattern,
const char *id_pattern) const
{
InterfaceInfoList *infl = new InterfaceInfoList();
memmgr->lock();
interface_header_t *ih;
BlackBoardMemoryManager::ChunkIterator cit;
for ( cit = memmgr->begin(); cit != memmgr->end(); ++cit ) {
ih = (interface_header_t *)*cit;
Interface::interface_data_ts_t *data_ts =
(Interface::interface_data_ts_t *)((char *)*cit + sizeof(interface_header_t));
char type[__INTERFACE_TYPE_SIZE + 1];
char id[__INTERFACE_ID_SIZE + 1];
// ensure NULL-termination
type[__INTERFACE_TYPE_SIZE] = 0;
id[__INTERFACE_ID_SIZE] = 0;
strncpy(type, ih->type, __INTERFACE_TYPE_SIZE);
strncpy(id, ih->id, __INTERFACE_ID_SIZE);
if ((fnmatch(type_pattern, type, FNM_NOESCAPE) == 0) &&
(fnmatch(id_pattern, id, FNM_NOESCAPE) == 0))
{
std::string uid = std::string(type) + "::" + id;
infl->append(ih->type, ih->id, ih->hash, ih->serial,
ih->flag_writer_active, ih->num_readers,
readers(uid), writer(uid),
fawkes::Time(data_ts->timestamp_sec, data_ts->timestamp_usec));
}
}
memmgr->unlock();
return infl;
}
/** Get a constrained list of interfaces.
* @param type_pattern tyoe pattern, may contain shell-like wildcards * (any number
* of characters) and ? (one character), cf. man fnmatch().
* @param id_pattern ID pattern, may contain shell-like wildcards * (any number
* of characters) and ? (one character), cf. man fnmatch().
* @return list of currently existing interfaces matching the given type and
* ID patterns. List may be outdated on return since there maybe concurrent
* actions.
*/
InterfaceInfoList *
BlackBoardInterfaceManager::list(const char *type_pattern,
const char *id_pattern) const
{
InterfaceInfoList *infl = new InterfaceInfoList();
memmgr->lock();
interface_header_t *ih;
BlackBoardMemoryManager::ChunkIterator cit;
for ( cit = memmgr->begin(); cit != memmgr->end(); ++cit ) {
ih = (interface_header_t *)*cit;
char type[__INTERFACE_TYPE_SIZE + 1];
char id[__INTERFACE_ID_SIZE + 1];
// ensure NULL-termination
type[__INTERFACE_TYPE_SIZE] = 0;
id[__INTERFACE_ID_SIZE] = 0;
strncpy(type, ih->type, __INTERFACE_TYPE_SIZE);
strncpy(id, ih->id, __INTERFACE_ID_SIZE);
if ((fnmatch(type_pattern, type, FNM_NOESCAPE) == 0) &&
(fnmatch(id_pattern, id, FNM_NOESCAPE) == 0))
{
infl->append(ih->type, ih->id, ih->hash, ih->serial,
ih->flag_writer_active, ih->num_readers);
}
}
memmgr->unlock();
return infl;
}
/** Get a list of interfaces.
* @return list of currently existing interfaces. List may be outdated on
* return since there maybe concurrent actions.
*/
InterfaceInfoList *
BlackBoardInterfaceManager::list_all() const
{
InterfaceInfoList *infl = new InterfaceInfoList();
memmgr->lock();
interface_header_t *ih;
BlackBoardMemoryManager::ChunkIterator cit;
for ( cit = memmgr->begin(); cit != memmgr->end(); ++cit ) {
ih = (interface_header_t *)*cit;
infl->append(ih->type, ih->id, ih->hash, ih->serial,
ih->flag_writer_active, ih->num_readers);
}
memmgr->unlock();
return infl;
}
int
main(int argc, char **argv)
{
signal(SIGINT, signal_handler);
LocalBlackBoard *llbb = new LocalBlackBoard(BLACKBOARD_MEMSIZE);
BlackBoard *lbb = llbb;
FawkesNetworkServerThread *fns = new FawkesNetworkServerThread(1910);
fns->start();
llbb->start_nethandler(fns);
BlackBoard *rbb = new RemoteBlackBoard("localhost", 1910);
InterfaceInfoList *infl = rbb->list_all();
for (InterfaceInfoList::iterator i = infl->begin(); i != infl->end(); ++i) {
const unsigned char *hash = (*i).hash();
char phash[__INTERFACE_HASH_SIZE * 2 + 1];
memset(phash, 0, sizeof(phash));
for (unsigned int j = 0; j < __INTERFACE_HASH_SIZE; ++j) {
sprintf(&phash[j * 2], "%02x", hash[j]);
}
printf("%s::%s (%s), w:%i r:%u s:%u\n",
(*i).type(), (*i).id(), phash, (*i).has_writer(),
(*i).num_readers(), (*i).serial());
}
delete infl;
//TestInterface *ti_writer;
TestInterface *ti_reader;
TestInterface *ti_writer;
try {
cout << "Opening interfaces.. " << flush;
ti_writer = rbb->open_for_writing<TestInterface>("SomeID");
ti_reader = rbb->open_for_reading<TestInterface>("SomeID");
cout << "success, "
<< "writer hash=" << ti_writer->hash_printable()
<< " reader hash=" << ti_reader->hash_printable()
<< endl;
} catch (Exception &e) {
cout << "failed! Aborting" << endl;
e.print_trace();
exit(1);
}
try {
cout << "Trying to open second writer.. " << flush;
TestInterface *ti_writer_two;
ti_writer_two = rbb->open_for_writing<TestInterface>("SomeID");
cout << "BUG: Detection of second writer did NOT work!" << endl;
exit(2);
} catch (BlackBoardWriterActiveException &e) {
cout << "exception caught as expected, detected and prevented second writer!" << endl;
}
try {
cout << "Trying to open third writer.. " << flush;
TestInterface *ti_writer_three;
ti_writer_three = rbb->open_for_writing<TestInterface>("AnotherID");
cout << "No exception as expected, different ID ok!" << endl;
rbb->close(ti_writer_three);
} catch (BlackBoardWriterActiveException &e) {
cout << "BUG: Third writer with different ID detected as another writer!" << endl;
exit(3);
}
cout << endl << endl
<< "Running data tests ==================================================" << endl;
cout << "Writing initial value ("
<< TestInterface::TEST_CONSTANT << ") into interface as TestInt" << endl;
ti_writer->set_test_int( TestInterface::TEST_CONSTANT );
try {
ti_writer->write();
} catch (InterfaceWriteDeniedException &e) {
cout << "BUG: caught write denied exception" << endl;
e.print_trace();
}
cout << "Giving some time to have value processed" << endl;
usleep(100000);
cout << "Reading value from reader interface.. " << flush;
ti_reader->read();
int val = ti_reader->test_int();
if ( val == TestInterface::TEST_CONSTANT ) {
cout << " success, value is " << ti_reader->test_int() << " as expected" << endl;
} else {
cout << " failure, value is " << ti_reader->test_int() << ", expected "
<< TestInterface::TEST_CONSTANT << endl;
}
cout << "Closing interfaces.. " << flush;
try {
rbb->close(ti_reader);
rbb->close(ti_writer);
cout << "done" << endl;
} catch (Exception &e) {
cout << "failed" << endl;
e.print_trace();
}
cout << endl << endl << "Starting MESSAGING tests" << endl
<< "Press Ctrl-C to continue with next test" << endl << endl;
ti_writer = lbb->open_for_writing<TestInterface>("Messaging");
ti_reader = rbb->open_for_reading<TestInterface>("Messaging");
printf("Writer serial: %u shifted: %u\n", ti_writer->serial(), ti_writer->serial() << 16);
printf("Reader serial: %u shifted: %u\n", ti_reader->serial(), ti_reader->serial() << 16);
test_messaging(ti_reader, ti_writer);
rbb->close(ti_reader);
lbb->close(ti_writer);
cout << endl << endl << "Starting MESSAGING tests, doing repeater scenario" << endl
<< "Press Ctrl-C to continue with next test" << endl << endl;
quit = false;
delete rbb;
LocalBlackBoard *repllbb = new LocalBlackBoard(BLACKBOARD_MEMSIZE);
FawkesNetworkServerThread *repfns = new FawkesNetworkServerThread(1911);
repfns->start();
repllbb->start_nethandler(repfns);
BlackBoard *rep_rbb = new RemoteBlackBoard("localhost", 1911);
rbb = new RemoteBlackBoard("localhost", 1911);
TestInterface *rep_reader;
TestInterface *rep_writer;
ti_writer = rbb->open_for_writing<TestInterface>("Messaging");
ti_reader = lbb->open_for_reading<TestInterface>("Messaging");
rep_reader = rep_rbb->open_for_reading<TestInterface>("Messaging");
rep_writer = lbb->open_for_writing<TestInterface>("Messaging");
printf("Writer serial: %u shifted: %u\n", ti_writer->serial(), ti_writer->serial() << 16);
printf("Reader serial: %u shifted: %u\n", ti_reader->serial(), ti_reader->serial() << 16);
SyncInterfaceListener *sil = new SyncInterfaceListener(rep_reader, rep_writer, rep_rbb, lbb);
test_messaging(ti_reader, ti_writer);
delete sil;
lbb->close(ti_reader);
rbb->close(ti_writer);
rep_rbb->close(rep_reader);
lbb->close(rep_writer);
delete repllbb;
delete rep_rbb;
cout << "Tests done" << endl;
delete rbb;
delete llbb;
delete fns;
}