/** 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 List may be outdated on return since there maybe concurrent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 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 List may be outdated on return since there maybe concurrent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 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;
}
