X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Ftimer.cpp;h=00be97b6c0e7d20b05f7074a8d90c8c5ff1f3c27;hb=a30a0074edac353cb60e134b43fa8ff0ffb67f8b;hp=90cf8bd958c14e92545286f028af0bcf410200b3;hpb=bab14f0dd2345c9d7dcbc47c918563709e1ac094;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/timer.cpp b/src/timer.cpp index 90cf8bd95..00be97b6c 100644 --- a/src/timer.cpp +++ b/src/timer.cpp @@ -1 +1,87 @@ -/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2007 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #include "inspircd.h" #include "timer.h" TimerManager::TimerManager(InspIRCd* Instance) : CantDeleteHere(false), ServerInstance(Instance) { } void TimerManager::TickTimers(time_t TIME) { this->CantDeleteHere = true; timerlist::iterator found = Timers.find(TIME); if (found != Timers.end()) { timergroup* x = found->second; /* There are pending timers to trigger. * WARNING: Timers may delete themselves from within * their own Tick methods! see the comment below in * the DelTimer method. */ for (timergroup::iterator y = x->begin(); y != x->end(); y++) { InspTimer* n = *y; n->Tick(TIME); if (n->GetRepeat()) { AddTimer(n, n->GetSecs()); } else { DELETE(n); } } Timers.erase(found); DELETE(x); } this->CantDeleteHere = false; } void TimerManager::DelTimer(InspTimer* T) { if (this->CantDeleteHere) { /* If a developer tries to delete a timer from within its own Tick method, * then chances are this is just going to totally fuck over the timergroup * and timerlist iterators and cause a crash. Thanks to peavey and Bricker * for noticing this bug. * If we're within the tick loop when the DelTimer is called (signified * by the var 'CantDeleteHere') then we simply return for non-repeating * timers, and cancel the repeat on repeating timers. We can do this because * we know that the timer tick loop will safely delete the timer for us * anyway and therefore we avoid stack corruption. */ if (T->GetRepeat()) T->CancelRepeat(); else return; } timerlist::iterator found = Timers.find(T->GetTimer()); if (found != Timers.end()) { timergroup* x = found->second; for (timergroup::iterator y = x->begin(); y != x->end(); y++) { InspTimer* n = *y; if (n == T) { DELETE(n); x->erase(y); if (!x->size()) { Timers.erase(found); DELETE(x); } return; } } } } /** Because some muppets may do odd things, and their ircd may lock up due * to crappy 3rd party modules, or they may change their system time a bit, * this accounts for shifts of up to 120 secs by looking behind for missed * timers and executing them. This is only executed once every 5 secs. * If you move your clock BACK, and your timers move further ahead as a result, * then tough titty you'll just have to wait. */ void TimerManager::TickMissedTimers(time_t TIME) { for (time_t n = TIME-1; n > TIME-120; n--) this->TickTimers(TIME); } void TimerManager::AddTimer(InspTimer* T, long secs_from_now) { timergroup* x = NULL; int time_to_trigger = 0; if (!secs_from_now) time_to_trigger = T->GetTimer(); else time_to_trigger = secs_from_now + ServerInstance->Time(); timerlist::iterator found = Timers.find(time_to_trigger); if (found != Timers.end()) { x = found->second; } else { x = new timergroup; Timers[time_to_trigger] = x; } x->push_back(T); } \ No newline at end of file +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2017 Sadie Powell + * Copyright (C) 2013-2014 Attila Molnar + * Copyright (C) 2012 Robby + * Copyright (C) 2009 Uli Schlachter + * Copyright (C) 2009 Daniel De Graaf + * Copyright (C) 2008 Robin Burchell + * Copyright (C) 2007, 2010 Craig Edwards + * Copyright (C) 2007 Dennis Friis + * + * This file is part of InspIRCd. InspIRCd is free software: you can + * redistribute it and/or modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + + +#include "inspircd.h" + +void Timer::SetInterval(unsigned int newinterval) +{ + ServerInstance->Timers.DelTimer(this); + secs = newinterval; + SetTrigger(ServerInstance->Time() + newinterval); + ServerInstance->Timers.AddTimer(this); +} + +Timer::Timer(unsigned int secs_from_now, bool repeating) + : trigger(ServerInstance->Time() + secs_from_now) + , secs(secs_from_now) + , repeat(repeating) +{ +} + +Timer::~Timer() +{ + ServerInstance->Timers.DelTimer(this); +} + +void TimerManager::TickTimers(time_t TIME) +{ + for (TimerMap::iterator i = Timers.begin(); i != Timers.end(); ) + { + Timer* t = i->second; + if (t->GetTrigger() > TIME) + break; + + Timers.erase(i++); + + if (!t->Tick(TIME)) + continue; + + if (t->GetRepeat()) + { + t->SetTrigger(TIME + t->GetInterval()); + AddTimer(t); + } + } +} + +void TimerManager::DelTimer(Timer* t) +{ + std::pair itpair = Timers.equal_range(t->GetTrigger()); + + for (TimerMap::iterator i = itpair.first; i != itpair.second; ++i) + { + if (i->second == t) + { + Timers.erase(i); + break; + } + } +} + +void TimerManager::AddTimer(Timer* t) +{ + Timers.insert(std::make_pair(t->GetTrigger(), t)); +}