]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/timer.cpp
Add support for blocking tag messages with the deaf mode.
[user/henk/code/inspircd.git] / src / timer.cpp
index d9b1b6414f9c9b6a9bce03979b2f855b1735875c..c499b7991e724904e1f63c033b2367ac9c35cdfb 100644 (file)
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
  *
- *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ *   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 program is free but copyrighted software; see
- *            the file COPYING for details.
+ * 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/>.
  */
 
-/* $Core: libIRCDtimer */
 
 #include "inspircd.h"
-#include "timer.h"
 
-TimerManager::TimerManager(InspIRCd* Instance) : CantDeleteHere(false), ServerInstance(Instance)
+void Timer::SetInterval(unsigned int newinterval)
 {
+       ServerInstance->Timers.DelTimer(this);
+       secs = newinterval;
+       SetTrigger(ServerInstance->Time() + newinterval);
+       ServerInstance->Timers.AddTimer(this);
 }
 
-void TimerManager::TickTimers(time_t TIME)
+Timer::Timer(unsigned int secs_from_now, bool repeating)
+       : trigger(ServerInstance->Time() + secs_from_now)
+       , secs(secs_from_now)
+       , repeat(repeating)
 {
-       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++)
-               {
-                       Timer* n = *y;
-                       n->Tick(TIME);
-                       if (n->GetRepeat())
-                       {
-                               AddTimer(n, n->GetSecs());
-                       }
-                       else
-                       {
-                               delete n;
-                       }
-               }
-
-               Timers.erase(found);
-               delete x;
-       }
+}
 
-       this->CantDeleteHere = false;
+Timer::~Timer()
+{
+       ServerInstance->Timers.DelTimer(this);
 }
 
-void TimerManager::DelTimer(Timer* T)
+void TimerManager::TickTimers(time_t TIME)
 {
-       if (this->CantDeleteHere)
+       for (TimerMap::iterator i = Timers.begin(); i != Timers.end(); )
        {
-               /* 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;
-       }
+               Timer* t = i->second;
+               if (t->GetTrigger() > TIME)
+                       break;
 
-       timerlist::iterator found = Timers.find(T->GetTimer());
+               Timers.erase(i++);
 
-       if (found != Timers.end())
-       {
-               timergroup* x = found->second;
-               for (timergroup::iterator y = x->begin(); y != x->end(); y++)
+               if (!t->Tick(TIME))
+                       continue;
+
+               if (t->GetRepeat())
                {
-                       Timer* n = *y;
-                       if (n == T)
-                       {
-                               delete n;
-                               x->erase(y);
-                               if (!x->size())
-                               {
-                                       Timers.erase(found);
-                                       delete x;
-                               }
-                               return;
-                       }
+                       t->SetTrigger(TIME + t->GetInterval());
+                       AddTimer(t);
                }
        }
 }
 
-/** 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(Timer* T, long secs_from_now)
+void TimerManager::DelTimer(Timer* t)
 {
-       timergroup* x = NULL;
+       std::pair<TimerMap::iterator, TimerMap::iterator> itpair = Timers.equal_range(t->GetTrigger());
 
-       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())
+       for (TimerMap::iterator i = itpair.first; i != itpair.second; ++i)
        {
-               x = found->second;
-       }
-       else
-       {
-               x = new timergroup;
-               Timers[time_to_trigger] = x;
+               if (i->second == t)
+               {
+                       Timers.erase(i);
+                       break;
+               }
        }
-
-       x->push_back(T);
 }
 
+void TimerManager::AddTimer(Timer* t)
+{
+       Timers.insert(std::make_pair(t->GetTrigger(), t));
+}