-/* +------------------------------------+\r * | Inspire Internet Relay Chat Daemon |\r * +------------------------------------+\r *\r * InspIRCd: (C) 2002-2007 InspIRCd Development Team\r * See: http://www.inspircd.org/wiki/index.php/Credits\r *\r * This program is free but copyrighted software; see\r * the file COPYING for details.\r *\r * ---------------------------------------------------\r */\r\r#include "inspircd.h"\r#include "timer.h"\r\rTimerManager::TimerManager(InspIRCd* Instance) : CantDeleteHere(false), ServerInstance(Instance)\r{\r}\r\rvoid TimerManager::TickTimers(time_t TIME)\r{\r this->CantDeleteHere = true;\r timerlist::iterator found = Timers.find(TIME);\r\r if (found != Timers.end())\r {\r timergroup* x = found->second;\r /* There are pending timers to trigger.\r * WARNING: Timers may delete themselves from within\r * their own Tick methods! see the comment below in\r * the DelTimer method.\r */\r for (timergroup::iterator y = x->begin(); y != x->end(); y++)\r {\r InspTimer* n = *y;\r n->Tick(TIME);\r if (n->GetRepeat())\r {\r AddTimer(n, n->GetSecs());\r }\r else\r {\r DELETE(n);\r }\r }\r\r Timers.erase(found);\r DELETE(x);\r }\r\r this->CantDeleteHere = false;\r}\r\rvoid TimerManager::DelTimer(InspTimer* T)\r{\r if (this->CantDeleteHere)\r {\r /* If a developer tries to delete a timer from within its own Tick method,\r * then chances are this is just going to totally fuck over the timergroup\r * and timerlist iterators and cause a crash. Thanks to peavey and Bricker\r * for noticing this bug.\r * If we're within the tick loop when the DelTimer is called (signified\r * by the var 'CantDeleteHere') then we simply return for non-repeating\r * timers, and cancel the repeat on repeating timers. We can do this because\r * we know that the timer tick loop will safely delete the timer for us\r * anyway and therefore we avoid stack corruption.\r */\r if (T->GetRepeat())\r T->CancelRepeat();\r else\r return;\r }\r\r timerlist::iterator found = Timers.find(T->GetTimer());\r\r if (found != Timers.end())\r {\r timergroup* x = found->second;\r for (timergroup::iterator y = x->begin(); y != x->end(); y++)\r {\r InspTimer* n = *y;\r if (n == T)\r {\r DELETE(n);\r x->erase(y);\r if (!x->size())\r {\r Timers.erase(found);\r DELETE(x);\r }\r return;\r }\r }\r }\r}\r\r/** Because some muppets may do odd things, and their ircd may lock up due\r * to crappy 3rd party modules, or they may change their system time a bit,\r * this accounts for shifts of up to 120 secs by looking behind for missed\r * timers and executing them. This is only executed once every 5 secs.\r * If you move your clock BACK, and your timers move further ahead as a result,\r * then tough titty you'll just have to wait.\r */\rvoid TimerManager::TickMissedTimers(time_t TIME)\r{\r for (time_t n = TIME-1; n > TIME-120; n--)\r this->TickTimers(TIME);\r}\r\rvoid TimerManager::AddTimer(InspTimer* T, long secs_from_now)\r{\r timergroup* x = NULL;\r\r int time_to_trigger = 0;\r if (!secs_from_now)\r time_to_trigger = T->GetTimer();\r else\r time_to_trigger = secs_from_now + ServerInstance->Time();\r\r timerlist::iterator found = Timers.find(time_to_trigger);\r\r if (found != Timers.end())\r {\r x = found->second;\r }\r else\r {\r x = new timergroup;\r Timers[time_to_trigger] = x;\r }\r\r x->push_back(T);\r}\r\r
\ No newline at end of file
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ * Copyright (C) 2017 Sadie Powell <sadie@witchery.services>
+ * Copyright (C) 2013-2014 Attila Molnar <attilamolnar@hush.com>
+ * Copyright (C) 2012 Robby <robby@chatbelgie.be>
+ * Copyright (C) 2009 Uli Schlachter <psychon@inspircd.org>
+ * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2006-2007, 2010 Craig Edwards <brain@inspircd.org>
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+
+#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<TimerMap::iterator, TimerMap::iterator> 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));
+}
projects / user / henk / code / inspircd.git / blobdiff