/** Get the writer interface for the given mem serial.
* @param mem_serial memory serial to get writer for
* @return writer interface for given mem serial, or NULL if non exists
* @exception BlackBoardNoWritingInstanceException thrown if no writer
* was found for the given interface.
*/
Interface *
BlackBoardInterfaceManager::writer_for_mem_serial(unsigned int mem_serial)
{
if ( writer_interfaces.find(mem_serial) != writer_interfaces.end() ) {
return writer_interfaces[mem_serial];
} else {
char type[__INTERFACE_TYPE_SIZE + 1] = "Unknown";
char id[__INTERFACE_ID_SIZE + 1] = "Invalid";
// ensure NULL-termination
type[__INTERFACE_TYPE_SIZE] = 0;
id[__INTERFACE_ID_SIZE] = 0;
std::string uid = "Unknown::Invalid";
memmgr->lock();
BlackBoardMemoryManager::ChunkIterator cit;
for ( cit = memmgr->begin(); cit != memmgr->end(); ++cit ) {
interface_header_t *ih = (interface_header_t *)*cit;
if (ih->serial == mem_serial) {
strncpy(type, ih->type, __INTERFACE_TYPE_SIZE);
strncpy(id, ih->id, __INTERFACE_ID_SIZE);
break;
}
}
memmgr->unlock();
throw BlackBoardNoWritingInstanceException(type, id);
}
}
/** Get the writer interface for the given mem serial.
* @param mem_serial memory serial to get writer for
* @return writer interface for given mem serial, or NULL if non exists
* @exception BlackBoardNoWritingInstanceException thrown if no writer
* was found for the given interface.
*/
Interface *
BlackBoardInterfaceManager::writer_for_mem_serial(unsigned int mem_serial)
{
if ( writer_interfaces.find(mem_serial) != writer_interfaces.end() ) {
return writer_interfaces[mem_serial];
} else {
throw BlackBoardNoWritingInstanceException();
}
}