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EventRouter.cc Go to the documentation of this file. #include "EventRouter.h" #include "Shared/Profiler.h" #include "Behaviors/BehaviorBase.h" #include "Shared/ProjectInterface.h" #include <algorithm> #include "Events/TimerEvent.h" EventRouter * erouter=NULL; EventRouter::EventRouter() : timers(), trappers(), listeners(), postings() {} void EventRouter::postEvent(EventBase* e) { processEvent(*e); delete e; } //! @todo handle recursive calls void EventRouter::processTimers() { // cout << "processTimers..." << flush; unsigned int curtime=get_time(); TimerEntry curTimer(curtime); timer_it_t last_it=upper_bound(timers.begin(),timers.end(),&curTimer,TimerEntryPtrCmp()); std::vector<TimerEntry*> process(timers.begin(),last_it); //copy these out for safe keeping for(timer_it_t it=process.begin(); it!=process.end(); it++) //increment the timers we're processing if(!(*it)->repeat) (*it)->next=(unsigned int)-1; else if((*it)->delay==0) (*it)->next=curtime+1; else while((*it)->next<=curtime) (*it)->next+=(*it)->delay; sort(timers.begin(),last_it,TimerEntryPtrCmp()); //re-sort the timers we're processing (at the beginning of timers) inplace_merge(timers.begin(),last_it,timers.end(),TimerEntryPtrCmp()); //now do a merge of the sorted processed stuff and the rest of the list (which is still sorted) // if(process.size()>0) chkTimers(); for(timer_it_t it=process.begin(); it!=process.end(); it++) { // process the timers we say we're going to, can no longer assume anything about the state of the world TimerEvent e((*it)->el,EventBase::timerEGID,(*it)->sid,EventBase::statusETID,(*it)->next-(*it)->delay); try { (*it)->el->processEvent(e); } catch(const std::exception& ex) { std::string msg="Occurred while processing event "+e.getName()+" by "; if(BehaviorBase * beh=dynamic_cast<BehaviorBase*>((*it)->el)) msg+="listener "+beh->getName(); else msg+="unnamed EventListener"; if(!ProjectInterface::uncaughtException(__FILE__,__LINE__,msg.c_str(),&ex)) throw; } catch(...) { std::string msg="Occurred while processing event "+e.getName()+" by "; if(BehaviorBase * beh=dynamic_cast<BehaviorBase*>((*it)->el)) msg+="listener "+beh->getName(); else msg+="unnamed EventListener"; if(!ProjectInterface::uncaughtException(__FILE__,__LINE__,msg.c_str(),NULL)) throw; } postEvent(e); } // if(process.size()>0) chkTimers(); static const TimerEntry deadTimer((unsigned int)-1); // matches all the dead ones as set in the incrementation phase last_it=lower_bound(timers.begin(),timers.end(),&deadTimer,TimerEntryPtrCmp()); //find the beginning of all the non-repeating timers we're clearing for(timer_it_t it=last_it; it!=timers.end(); it++) // delete all of them delete *it; timers.erase(last_it,timers.end()); //and then remove them from the timer list // if(process.size()>0) chkTimers(); // cout << "done" << endl; } /*! timers are unique by EventListener and source ID - can't have two timers for the same el and sid\n * a delay of 0 with repeating will cause an event to be sent at every opportunity, use sparingly\n * a delay of -1U will call removeTimer() if it already exists, otherwise is ignored\n * * @param el the EventListener to send the timer event to * @param sid the source ID to use on that event (if you need to send more info, send a pointer to a struct of your devising, typecasted as int) * @param delay the delay between the first (and future) calls * @param repeat set to true if you want to keep receiving this event, otherwise it will only send once */ void EventRouter::addTimer(EventListener* el, unsigned int sid, unsigned int delay, bool repeat) { if(delay==-1U) { removeTimer(el,sid); return; } for(timer_it_t it=timers.begin(); it!=timers.end(); it++) if((*it)->el==el && (*it)->sid==sid) { (*it)->Set(delay,repeat); // now put that timer back into the correct place in the ordering (think before touching this! ;) if(it!=timers.begin() && (*it)->next<(*(it-1))->next) rotate(upper_bound(timers.begin(),it,*it,TimerEntryPtrCmp()),it,it+1); else if(it+1!=timers.end() && (*it)->next>(*(it+1))->next) rotate(it,it+1,lower_bound(it+1,timers.end(),*it,TimerEntryPtrCmp())); return; } //didn't find a pre-existing one TimerEntry * add=new TimerEntry(el,sid,delay,repeat); timers.insert(lower_bound(timers.begin(),timers.end(),add,TimerEntryPtrCmp()),add); // chkTimers(); } void EventRouter::removeTimer(EventListener* el) { for(timer_it_t it=timers.begin(); it!=timers.end(); it++) if((*it)->el==el) { delete *it; *it=NULL; } timers.erase(std::remove(timers.begin(),timers.end(),(const TimerEntry*)NULL),timers.end()); } void EventRouter::removeTimer(EventListener* el, unsigned int sid) { for(timer_it_t it=timers.begin(); it!=timers.end(); it++) if((*it)->el==el && (*it)->sid==sid) { delete *it; timers.erase(it); return; } } void EventRouter::removeAllTimers() { for(timer_it_t it=timers.begin(); it!=timers.end(); it++) delete *it; timers.erase(timers.begin(),timers.end()); } void EventRouter::addListener(EventListener* el, EventBase::EventGeneratorID_t egid) { bool hadListener=hasListeners(egid); listeners.addMapping(el,egid); if(!hadListener) postEvent(EventBase(EventBase::erouterEGID,egid,EventBase::activateETID,0,EventBase::EventGeneratorNames[egid],1)); else postEvent(EventBase(EventBase::erouterEGID,egid,EventBase::statusETID,0,EventBase::EventGeneratorNames[egid],1)); } void EventRouter::addListener(EventListener* el, EventBase::EventGeneratorID_t egid, unsigned int sid) { bool hadListener=hasListeners(egid); for(unsigned int et=0; et<EventBase::numETIDs; et++) listeners.addMapping(el,egid,sid,(EventBase::EventTypeID_t)et); if(!hadListener) postEvent(EventBase(EventBase::erouterEGID,egid,EventBase::activateETID,0,EventBase::EventGeneratorNames[egid],1)); else postEvent(EventBase(EventBase::erouterEGID,egid,EventBase::statusETID,0,EventBase::EventGeneratorNames[egid],1)); } void EventRouter::addListener(EventListener* el, EventBase::EventGeneratorID_t egid, unsigned int sid, EventBase::EventTypeID_t etid) { bool hadListener=hasListeners(egid); listeners.addMapping(el,egid,sid,etid); if(!hadListener) postEvent(EventBase(EventBase::erouterEGID,egid,EventBase::activateETID,0,EventBase::EventGeneratorNames[egid],1)); else postEvent(EventBase(EventBase::erouterEGID,egid,EventBase::statusETID,0,EventBase::EventGeneratorNames[egid],1)); } void EventRouter::addListener(EventListener* el, const EventBase& e) { bool hadListener=hasListeners(e.getGeneratorID()); listeners.addMapping(el,e.getGeneratorID(),e.getSourceID(),e.getTypeID()); if(!hadListener) postEvent(EventBase(EventBase::erouterEGID,e.getGeneratorID(),EventBase::activateETID,0,EventBase::EventGeneratorNames[e.getGeneratorID()],1)); else postEvent(EventBase(EventBase::erouterEGID,e.getGeneratorID(),EventBase::statusETID,0,EventBase::EventGeneratorNames[e.getGeneratorID()],1)); } void EventRouter::removeListener(EventListener* el) { for(unsigned int eg=0; eg<EventBase::numEGIDs; eg++) { EventBase::EventGeneratorID_t egid=(EventBase::EventGeneratorID_t)eg; if(!listeners.removeMapping(el,egid)) continue; //nothing was removed, don't want to clean up or throw an event listeners.clean(egid); if(!hasListeners(egid)) postEvent(EventBase(EventBase::erouterEGID,egid,EventBase::deactivateETID,0,EventBase::EventGeneratorNames[egid],0)); else postEvent(EventBase(EventBase::erouterEGID,egid,EventBase::statusETID,0,EventBase::EventGeneratorNames[egid],1)); } } void EventRouter::removeListener(EventListener* el, EventBase::EventGeneratorID_t egid) { if(!listeners.removeMapping(el,egid)) return; //nothing was removed, don't want to clean up or throw an event listeners.clean(egid); if(!hasListeners(egid)) postEvent(EventBase(EventBase::erouterEGID,egid,EventBase::deactivateETID,0,EventBase::EventGeneratorNames[egid],0)); else postEvent(EventBase(EventBase::erouterEGID,egid,EventBase::statusETID,0,EventBase::EventGeneratorNames[egid],1)); } void EventRouter::removeListener(EventListener* el, EventBase::EventGeneratorID_t egid, unsigned int sid) { unsigned int removed=0; for(unsigned int et=0; et<EventBase::numETIDs; et++) removed+=listeners.removeMapping(el,egid,sid,(EventBase::EventTypeID_t)et); if(!removed) return; //nothing was removed, don't want to clean up or throw an event listeners.clean(egid); if(!hasListeners(egid)) postEvent(EventBase(EventBase::erouterEGID,egid,EventBase::deactivateETID,0,EventBase::EventGeneratorNames[egid],0)); else postEvent(EventBase(EventBase::erouterEGID,egid,EventBase::statusETID,0,EventBase::EventGeneratorNames[egid],1)); } void EventRouter::removeListener(EventListener* el, EventBase::EventGeneratorID_t egid, unsigned int sid, EventBase::EventTypeID_t etid) { if(!listeners.removeMapping(el,egid,sid,etid)) return; //nothing was removed, don't want to clean up or throw an event listeners.clean(egid); if(!hasListeners(egid)) postEvent(EventBase(EventBase::erouterEGID,egid,EventBase::deactivateETID,0,EventBase::EventGeneratorNames[egid],0)); else postEvent(EventBase(EventBase::erouterEGID,egid,EventBase::statusETID,0,EventBase::EventGeneratorNames[egid],1)); } void EventRouter::removeListener(EventListener* el, const EventBase& e) { if(!listeners.removeMapping(el,e.getGeneratorID(),e.getSourceID(),e.getTypeID())) return; //nothing was removed, don't want to clean up or throw an event listeners.clean(e.getGeneratorID()); if(!hasListeners(e.getGeneratorID())) postEvent(EventBase(EventBase::erouterEGID,e.getGeneratorID(),EventBase::deactivateETID,0,EventBase::EventGeneratorNames[e.getGeneratorID()],0)); else postEvent(EventBase(EventBase::erouterEGID,e.getGeneratorID(),EventBase::statusETID,0,EventBase::EventGeneratorNames[e.getGeneratorID()],1)); } void EventRouter::addTrapper(EventTrapper* el, const EventBase& e) { bool hadListener=hasListeners(e.getGeneratorID()); trappers.addMapping(el,e.getGeneratorID(),e.getSourceID(),e.getTypeID()); if(!hadListener) postEvent(EventBase(EventBase::erouterEGID,e.getGeneratorID(),EventBase::activateETID,0,EventBase::EventGeneratorNames[e.getGeneratorID()],1)); else postEvent(EventBase(EventBase::erouterEGID,e.getGeneratorID(),EventBase::statusETID,0,EventBase::EventGeneratorNames[e.getGeneratorID()],1)); } /*! Note that since timers are not broadcast, they cannot be trapped. Only the EventListener which requested the timer will receive that timer. */ void EventRouter::addTrapper(EventTrapper* el, EventBase::EventGeneratorID_t egid) { bool hadListener=hasListeners(egid); trappers.addMapping(el,egid); if(!hadListener) postEvent(EventBase(EventBase::erouterEGID,egid,EventBase::activateETID,0,EventBase::EventGeneratorNames[egid],1)); else postEvent(EventBase(EventBase::erouterEGID,egid,EventBase::statusETID,0,EventBase::EventGeneratorNames[egid],1)); } /*! Note that since timers are not broadcast, they cannot be trapped. Only the EventListener which requested the timer will receive that timer. */ void EventRouter::addTrapper(EventTrapper* el, EventBase::EventGeneratorID_t egid, unsigned int sid) { bool hadListener=hasListeners(egid); for(unsigned int et=0; et<EventBase::numETIDs; et++) trappers.addMapping(el,egid,sid,(EventBase::EventTypeID_t)et); if(!hadListener) postEvent(EventBase(EventBase::erouterEGID,egid,EventBase::activateETID,0,EventBase::EventGeneratorNames[egid],1)); else postEvent(EventBase(EventBase::erouterEGID,egid,EventBase::statusETID,0,EventBase::EventGeneratorNames[egid],1)); } /*! Note that since timers are not broadcast, they cannot be trapped. Only the EventListener which requested the timer will receive that timer. */ void EventRouter::addTrapper(EventTrapper* el, EventBase::EventGeneratorID_t egid, unsigned int sid, EventBase::EventTypeID_t etid) { bool hadListener=hasListeners(egid); trappers.addMapping(el,egid,sid,etid); if(!hadListener) postEvent(EventBase(EventBase::erouterEGID,egid,EventBase::activateETID,0,EventBase::EventGeneratorNames[egid],1)); else postEvent(EventBase(EventBase::erouterEGID,egid,EventBase::statusETID,0,EventBase::EventGeneratorNames[egid],1)); } /*! Note that since timers are not broadcast, they cannot be trapped. Only the EventListener which requested the timer will receive that timer. */ void EventRouter::addTrapper(EventTrapper* el) { for(unsigned int eg=0; eg<EventBase::numEGIDs; eg++) addTrapper(el,(EventBase::EventGeneratorID_t)eg); } void EventRouter::removeTrapper(EventTrapper* el, const EventBase& e) { if(!trappers.removeMapping(el,e.getGeneratorID(),e.getSourceID(),e.getTypeID())) return; //nothing was removed, don't want to clean up or throw an event trappers.clean(e.getGeneratorID()); if(!hasListeners(e.getGeneratorID())) postEvent(EventBase(EventBase::erouterEGID,e.getGeneratorID(),EventBase::deactivateETID,0,EventBase::EventGeneratorNames[e.getGeneratorID()],0)); else postEvent(EventBase(EventBase::erouterEGID,e.getGeneratorID(),EventBase::statusETID,0,EventBase::EventGeneratorNames[e.getGeneratorID()],1)); } void EventRouter::removeTrapper(EventTrapper* el, EventBase::EventGeneratorID_t egid) { if(!trappers.removeMapping(el,egid)) return; //nothing was removed, don't want to clean up or throw an event trappers.clean(egid); if(!hasListeners(egid)) postEvent(EventBase(EventBase::erouterEGID,egid,EventBase::deactivateETID,0,EventBase::EventGeneratorNames[egid],0)); else postEvent(EventBase(EventBase::erouterEGID,egid,EventBase::statusETID,0,EventBase::EventGeneratorNames[egid],1)); } void EventRouter::removeTrapper(EventTrapper* el, EventBase::EventGeneratorID_t egid, unsigned int sid) { int removed=0; for(unsigned int et=0; et<EventBase::numETIDs; et++) removed+=trappers.removeMapping(el,egid,sid,(EventBase::EventTypeID_t)et); if(!removed) return; //nothing was removed, don't want to clean up or throw an event trappers.clean(egid); if(!hasListeners(egid)) postEvent(EventBase(EventBase::erouterEGID,egid,EventBase::deactivateETID,0,EventBase::EventGeneratorNames[egid],0)); else postEvent(EventBase(EventBase::erouterEGID,egid,EventBase::statusETID,0,EventBase::EventGeneratorNames[egid],1)); } void EventRouter::removeTrapper(EventTrapper* el, EventBase::EventGeneratorID_t egid, unsigned int sid, EventBase::EventTypeID_t etid) { if(!trappers.removeMapping(el,egid,sid,etid)) return; //nothing was removed, don't want to clean up or throw an event trappers.clean(egid); if(!hasListeners(egid)) postEvent(EventBase(EventBase::erouterEGID,egid,EventBase::deactivateETID,0,EventBase::EventGeneratorNames[egid],0)); else postEvent(EventBase(EventBase::erouterEGID,egid,EventBase::statusETID,0,EventBase::EventGeneratorNames[egid],1)); } void EventRouter::removeTrapper(EventTrapper* el) { for(unsigned int eg=0; eg<EventBase::numEGIDs; eg++) removeTrapper(el,(EventBase::EventGeneratorID_t)eg); } void EventRouter::processEvent(const EventBase& e) { PostingStatus ps(trappers,listeners,e); postings.push(&ps); while(postings.size()>0) { #ifdef DEBUG unsigned int presize=postings.size(); postings.front()->process(); ASSERT(postings.size()==0 || postings.size()==presize,"partial queue completion?"); #else postings.front()->process(); #endif if(postings.size()>0) // in case a sub-post took over and finished off the queue postings.pop(); } } void EventRouter::PostingStatus::process() { while(tit!=t.end()) { // increment before processing so if a new post is done during the processing, we pick up on the *next* entry EventTrapper * et=*tit++; if(!trappers.verifyMapping(et,e)) continue; try { if(et->trapEvent(e)) return; } catch(const std::exception& ex) { std::string msg="Occurred while processing event "+e.getName()+" by "; if(BehaviorBase * beh=dynamic_cast<BehaviorBase*>(et)) msg+="trapper "+beh->getName(); else msg+="unnamed EventTrapper"; if(!ProjectInterface::uncaughtException(__FILE__,__LINE__,msg.c_str(),&ex)) throw; } catch(...) { std::string msg="Occurred while processing event "+e.getName()+" by "; if(BehaviorBase * beh=dynamic_cast<BehaviorBase*>(et)) msg+="trapper "+beh->getName(); else msg+="unnamed EventTrapper"; if(!ProjectInterface::uncaughtException(__FILE__,__LINE__,msg.c_str(),NULL)) throw; } } while(lit!=l.end()) { // increment before processing so if a new post is done during the processing, we pick up on the *next* entry EventListener * el=*lit++; if(!listeners.verifyMapping(el,e)) continue; try { el->processEvent(e); } catch(const std::exception& ex) { std::string msg="Occurred while processing event "+e.getName()+" by "; if(BehaviorBase * beh=dynamic_cast<BehaviorBase*>(el)) msg+="listener "+beh->getName(); else msg+="unnamed EventListener"; if(!ProjectInterface::uncaughtException(__FILE__,__LINE__,msg.c_str(),&ex)) throw; } catch(...) { std::string msg="Occurred while processing event "+e.getName()+" by "; if(BehaviorBase * beh=dynamic_cast<BehaviorBase*>(el)) msg+="listener "+beh->getName(); else msg+="unnamed EventListener"; if(!ProjectInterface::uncaughtException(__FILE__,__LINE__,msg.c_str(),NULL)) throw; } } } EventRouter::EventMapper::EventMapper() { for(unsigned int eg=0; eg<EventBase::numEGIDs; eg++) for(unsigned int et=0; et<EventBase::numETIDs; et++) filteredevents[eg][et]=NULL; } void EventRouter::EventMapper::addMapping(void* el, EventBase::EventGeneratorID_t egid, unsigned int sid, EventBase::EventTypeID_t etid) { if(filteredevents[egid][etid]==NULL) //if this is the first subscriber to this EGID and ETID filteredevents[egid][etid]=new SIDtoListenerVectorMap_t(); SIDtoListenerVectorMap_t::iterator it=filteredevents[egid][etid]->find(sid); // now find subscribers to the source id as well std::vector<void*>* elv=NULL; if(it==filteredevents[egid][etid]->end()) { // if this is the first subscriber to the source ID std::pair<const unsigned int,std::vector<void*> > p(sid,std::vector<void*>()); // p.first=sid; //p.second is a vector, only needs to be constructed filteredevents[egid][etid]->insert(p); elv=&(*filteredevents[egid][etid]->find(sid)).second; } else { elv=&(*it).second; } elv->push_back(el); // now that everything's set up, we can add the listener } bool EventRouter::EventMapper::removeMapping(void* el, EventBase::EventGeneratorID_t egid) { // remove listener from allevents unsigned int numlist=allevents[egid].size(); allevents[egid].erase(std::remove(allevents[egid].begin(),allevents[egid].end(),el),allevents[egid].end()); bool hadListener=allevents[egid].size()!=numlist; // now remove listener from all of the filtered events for(unsigned int et=0; et<EventBase::numETIDs; et++) { SIDtoListenerVectorMap_t* mapping=filteredevents[egid][et]; if(mapping!=NULL) { // if there are subscribers to this egid/etid SIDtoListenerVectorMap_t::iterator mapit=mapping->begin(); for(mapit=mapping->begin(); mapit!=mapping->end(); mapit++) {// go through each sourceID, delete EL std::vector<void*> * v=&(*mapit).second; std::vector<void*>::iterator last=std::remove(v->begin(),v->end(),el); if(last!=v->end()) { hadListener=true; v->erase(last,v->end()); } } } } return hadListener; } bool EventRouter::EventMapper::removeMapping(void* el, EventBase::EventGeneratorID_t egid, unsigned int sid, EventBase::EventTypeID_t etid) { bool hadListener=false; SIDtoListenerVectorMap_t* mapping=filteredevents[egid][etid]; if(mapping!=NULL) { // if there are subscribers to this egid/etid SIDtoListenerVectorMap_t::iterator mapit=mapping->find(sid); if(mapit!=mapping->end()) { std::vector<void*> * v=&(*mapit).second; std::vector<void*>::iterator last=std::remove(v->begin(),v->end(),el); if(last!=v->end()) { hadListener=true; v->erase(last,v->end()); } } } return hadListener; } void EventRouter::EventMapper::clean() { for(unsigned int eg=0; eg<EventBase::numEGIDs; eg++) clean((EventBase::EventGeneratorID_t)eg); } void EventRouter::EventMapper::clean(EventBase::EventGeneratorID_t egid) { // first, remove any empty sid vectors from all the mappings for(unsigned int et=0; et<EventBase::numETIDs; et++) { SIDtoListenerVectorMap_t* mapping=filteredevents[egid][et]; if(mapping!=NULL) { // if there are subscribers to this egid/etid SIDtoListenerVectorMap_t::iterator mapit=mapping->begin(); bool done=false; while(!done) { done=true; for(mapit=mapping->begin(); mapit!=mapping->end(); mapit++) { // go through each sourceID vector if((*mapit).second.size()==0) { mapping->erase(mapit); done=false; break; } } } } } // now remove any empty mappings for(unsigned int et=0; et<EventBase::numETIDs; et++) { SIDtoListenerVectorMap_t* mapping=filteredevents[egid][et]; if(mapping!=NULL) { // if there are subscribers to this egid/etid if(mapping->size()==0) { delete mapping; filteredevents[egid][et]=NULL; } } } } void EventRouter::EventMapper::clear() { for(unsigned int eg=0; eg<EventBase::numEGIDs; eg++) { for(unsigned int et=0; et<EventBase::numETIDs; et++) { SIDtoListenerVectorMap_t* mapping=filteredevents[eg][et]; if(mapping!=NULL) { // don't beat a dead horse! mapping->erase(mapping->begin(),mapping->end()); delete mapping; filteredevents[eg][et]=NULL; } } } } bool EventRouter::EventMapper::hasMapping(EventBase::EventGeneratorID_t egid) const { if(allevents[egid].size()>0) return true; for(unsigned int et=0; et<EventBase::numETIDs; et++) { const SIDtoListenerVectorMap_t* mapping=filteredevents[egid][et]; if(mapping!=NULL) { SIDtoListenerVectorMap_t::const_iterator mapit=mapping->begin(); for(mapit=mapping->begin(); mapit!=mapping->end(); mapit++) if((*mapit).second.size()>0) return true; } } return false; } bool EventRouter::EventMapper::hasMapping(EventBase::EventGeneratorID_t egid, unsigned int sid) const { if(allevents[egid].size()>0) return true; for(unsigned int et=0; et<EventBase::numETIDs; et++) { const SIDtoListenerVectorMap_t* mapping=filteredevents[egid][et]; if(mapping!=NULL) { SIDtoListenerVectorMap_t::const_iterator mapit=mapping->find(sid); if(mapit!=mapping->end() && (*mapit).second.size()>0) return true; } } return false; } bool EventRouter::EventMapper::hasMapping(EventBase::EventGeneratorID_t egid, unsigned int sid, EventBase::EventTypeID_t etid) const { if(allevents[egid].size()>0) return true; const SIDtoListenerVectorMap_t* mapping=filteredevents[egid][etid]; if(mapping!=NULL) { SIDtoListenerVectorMap_t::const_iterator mapit=mapping->find(sid); if(mapit!=mapping->end()) return ((*mapit).second.size()>0); } return false; } template<class T> void EventRouter::EventMapper::getMapping(const EventBase& e, std::vector<T*>& ls) const { // first get all the filtered subscribers (tricky!) const std::vector<void*>* elv=NULL; const SIDtoListenerVectorMap_t* sidtovm=filteredevents[e.getGeneratorID()][e.getTypeID()]; if(sidtovm!=NULL) { // if there's a map (at least one EL is filtering on this EGID and ETID) SIDtoListenerVectorMap_t::const_iterator mapit=sidtovm->find(e.getSourceID()); // find listening for this source id if(mapit!=sidtovm->end()) { // if there's at least one is filtering on this sourceID as well elv=&(*mapit).second; // now go through them all for(std::vector<void*>::const_iterator elit=elv->begin(); elit!=elv->end(); elit++) ls.push_back(static_cast<T*>(*elit)); } } // now get the 'all events' subscribers elv=&allevents[e.getGeneratorID()]; for(std::vector<void*>::const_iterator elit=elv->begin(); elit!=elv->end(); elit++) ls.push_back(static_cast<T*>(*elit)); } bool EventRouter::EventMapper::verifyMapping(void * listener, EventBase::EventGeneratorID_t egid, unsigned int sid, EventBase::EventTypeID_t etid) const { // first check the 'all events' subscribers const std::vector<void*>* elv=&allevents[egid]; for(std::vector<void*>::const_iterator elit=elv->begin(); elit!=elv->end(); elit++) if(*elit==listener) return true; // then check all the filtered subscribers (tricky!) const SIDtoListenerVectorMap_t* sidtovm=filteredevents[egid][etid]; if(sidtovm!=NULL) { // if there's a map (at least one EL is filtering on this EGID and ETID) const SIDtoListenerVectorMap_t::const_iterator mapit=sidtovm->find(sid); // find listening for this source id if(mapit!=sidtovm->end()) { // if there's at least one is filtering on this sourceID as well elv=&(*mapit).second; // now go through them all for(std::vector<void*>::const_iterator elit=elv->begin(); elit!=elv->end(); elit++) if(*elit==listener) return true; } } // if we haven't found it, doesn't exist: return false; } bool EventRouter::EventMapper::verifyMappingAll(void* listener, EventBase::EventGeneratorID_t egid) const { const std::vector<void*>* elv=&allevents[egid]; for(std::vector<void*>::const_iterator elit=elv->begin(); elit!=elv->end(); elit++) if(*elit==listener) return true; // if not in the all listeners, can't be listening for *every* source id return false; } bool EventRouter::EventMapper::verifyMappingAny(void* listener, EventBase::EventGeneratorID_t egid) const { // first check the 'all events' subscribers const std::vector<void*>* elv=&allevents[egid]; for(std::vector<void*>::const_iterator elit=elv->begin(); elit!=elv->end(); elit++) if(*elit==listener) return true; // then check all the filtered subscribers (tricky!) for(unsigned int et=0; et<EventBase::numETIDs; et++) { const SIDtoListenerVectorMap_t* sidtovm=filteredevents[egid][et]; if(sidtovm!=NULL) { // if there's a map (at least one EL is filtering on this EGID and ETID) SIDtoListenerVectorMap_t::const_iterator mapit=sidtovm->begin(); // for each of the source ids for(;mapit!=sidtovm->end();mapit++) { elv=&(*mapit).second; // now go through them all for(std::vector<void*>::const_iterator elit=elv->begin(); elit!=elv->end(); elit++) if(*elit==listener) return true; } } } // if we haven't found any, none exist: return false; } bool EventRouter::EventMapper::verifyMappingAll(void* listener, EventBase::EventGeneratorID_t egid, unsigned int sid) const { // first check the 'all events' subscribers const std::vector<void*>* elv=&allevents[egid]; for(std::vector<void*>::const_iterator elit=elv->begin(); elit!=elv->end(); elit++) if(*elit==listener) return true; // then check all the filtered subscribers (tricky!) // must be found in ALL etids for(unsigned int et=0; et<EventBase::numETIDs; et++) { const SIDtoListenerVectorMap_t* sidtovm=filteredevents[egid][et]; if(sidtovm==NULL) return false; // there's a map (at least one EL is filtering on this EGID and ETID) const SIDtoListenerVectorMap_t::const_iterator mapit=sidtovm->find(sid); // find listening for this source id if(mapit==sidtovm->end()) return false; // there's at least one is filtering on this sourceID as well elv=&(*mapit).second; // now go through them all std::vector<void*>::const_iterator elit=elv->begin(); while(elit!=elv->end() && *elit!=listener) elit++; if(elit==elv->end()) return false; //if we didn't return false, we found a match... continue checking other ETIDs } // we only got here if we *did* find listener in each of the ETIDs return true; } bool EventRouter::EventMapper::verifyMappingAny(void* listener, EventBase::EventGeneratorID_t egid, unsigned int sid) const { // first check the 'all events' subscribers const std::vector<void*>* elv=&allevents[egid]; for(std::vector<void*>::const_iterator elit=elv->begin(); elit!=elv->end(); elit++) if(*elit==listener) return true; // then check all the filtered subscribers (tricky!) for(unsigned int et=0; et<EventBase::numETIDs; et++) { const SIDtoListenerVectorMap_t* sidtovm=filteredevents[egid][et]; if(sidtovm!=NULL) { // if there's a map (at least one EL is filtering on this EGID and ETID) SIDtoListenerVectorMap_t::const_iterator mapit=sidtovm->find(sid); // find listening for this source id if(mapit!=sidtovm->end()) { // if there's at least one is filtering on this sourceID as well elv=&(*mapit).second; // now go through them all for(std::vector<void*>::const_iterator elit=elv->begin(); elit!=elv->end(); elit++) if(*elit==listener) return true; } } } // if we haven't found it, doesn't exist: return false; } /*! @file * @brief Implements EventRouter class, for distribution and trapping of events to listeners * @author ejt (Creator) * * $Author: ejt $ * $Name: tekkotsu-3_0 $ * $Revision: 1.28 $ * $State: Exp $ * $Date: 2006/09/27 21:15:51 $ */ // Use hasListeners(*) it's faster, i doubt anyone would really care how many... (but just in case...) /* unsigned int EventRouter::numListeners(EventBase::EventGeneratorID_t egid) { unsigned int ans=allevents[egid].size(); for(unsigned int et=0; et<EventBase::numETIDs; et++) { SIDtoListenerVectorMap_t* mapping=filteredevents[egid][et]; if(mapping!=NULL) { SIDtoListenerVectorMap_t::iterator mapit=mapping->begin(); for(mapit=mapping->begin(); mapit!=mapping->end(); mapit++) ans+=(*mapit).second.size(); } } return ans; } bool EventRouter::numListeners(EventBase::EventGeneratorID_t egid, unsigned int sid) { unsigned int ans=allevents[egid].size(); for(unsigned int et=0; et<EventBase::numETIDs; et++) { SIDtoListenerVectorMap_t* mapping=filteredevents[egid][et]; if(mapping!=NULL) { SIDtoListenerVectorMap_t::iterator mapit=mapping->find(sid); if(mapit!=mapping->end()) ans+=(*mapit).second.size(); } } return false; } unsigned int EventRouter::numListeners(EventBase::EventGeneratorID_t egid, unsigned int sid, EventBase::EventTypeID_t etid) { unsigned int ans=allevents[egid].size(); SIDtoListenerVectorMap_t* mapping=filteredevents[egid][etid]; if(mapping!=NULL) { SIDtoListenerVectorMap_t::iterator mapit=mapping->find(sid); if(mapit!=mapping->end()) ans+=(*mapit).second.size(); } return ans; } */

Tekkotsu v3.0

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