1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2007 InspIRCd Development Team
6 * See: http://www.inspircd.org/wiki/index.php/Credits
8 * This program is free but copyrighted software; see
9 * the file COPYING for details.
11 * ---------------------------------------------------
15 #include "configreader.h"
24 #include "socketengine.h"
25 #include "inspircd_se_config.h"
28 #include "command_parse.h"
29 #include "exitcodes.h"
34 using irc::sockets::NonBlocking;
35 using irc::sockets::Blocking;
36 using irc::sockets::insp_ntoa;
37 using irc::sockets::insp_inaddr;
38 using irc::sockets::insp_sockaddr;
42 void InspIRCd::AddServerName(const std::string &servername)
44 if(find(servernames.begin(), servernames.end(), servername) == servernames.end())
45 servernames.push_back(servername); /* Wasn't already there. */
48 const char* InspIRCd::FindServerNamePtr(const std::string &servername)
50 servernamelist::iterator iter = find(servernames.begin(), servernames.end(), servername);
52 if(iter == servernames.end())
54 AddServerName(servername);
55 iter = --servernames.end();
61 bool InspIRCd::FindServerName(const std::string &servername)
63 return (find(servernames.begin(), servernames.end(), servername) != servernames.end());
66 void InspIRCd::Exit(int status)
70 SI->SendError("Exiting with status " + ConvToStr(status) + " (" + std::string(ExitCodes[status]) + ")");
76 void InspIRCd::Cleanup()
78 std::vector<std::string> mymodnames;
79 int MyModCount = this->GetModuleCount();
81 for (unsigned int i = 0; i < stats->BoundPortCount; i++)
83 /* This calls the constructor and closes the listening socket */
84 delete Config->openSockfd[i];
85 Config->openSockfd[i] = NULL;
87 stats->BoundPortCount = 0;
89 /* Close all client sockets, or the new process inherits them */
90 for (std::vector<userrec*>::const_iterator i = this->local_users.begin(); i != this->local_users.end(); i++)
92 (*i)->SetWriteError("Server shutdown");
96 /* We do this more than once, so that any service providers get a
97 * chance to be unhooked by the modules using them, but then get
98 * a chance to be removed themsleves.
100 for (int tries = 0; tries < 3; tries++)
102 MyModCount = this->GetModuleCount();
105 /* Unload all modules, so they get a chance to clean up their listeners */
106 for (int j = 0; j <= MyModCount; j++)
107 mymodnames.push_back(Config->module_names[j]);
109 for (int k = 0; k <= MyModCount; k++)
110 this->UnloadModule(mymodnames[k].c_str());
114 this->Logger->Close();
117 void InspIRCd::Restart(const std::string &reason)
119 /* SendError flushes each client's queue,
120 * regardless of writeability state
122 this->SendError(reason);
126 /* Figure out our filename (if theyve renamed it, we're boned) */
127 std::string me = Config->MyDir + "/inspircd";
131 argv[0] = Config->argv[0];
132 argv[1] = "--restart";
133 if (Config->forcedebug)
134 argv[endp++] = "--debug";
136 argv[endp++] = "--nofork";
137 if (!Config->writelog)
138 argv[endp++] = "--nolog";
139 if (*this->LogFileName)
141 argv[endp++] = "--logfile";
142 argv[endp++] = this->LogFileName;
147 if (execv(me.c_str(), argv) == -1)
149 /* Will raise a SIGABRT if not trapped */
150 throw CoreException(std::string("Failed to execv()! error: ") + strerror(errno));
154 void InspIRCd::Start()
156 printf("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__);
157 printf("(C) InspIRCd Development Team.\033[0m\n\n");
158 printf("Developers:\t\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om, Special, pippijn, peavey\033[0m\n");
159 printf("Others:\t\t\t\033[1;32mSee /INFO Output\033[0m\n");
162 void InspIRCd::Rehash(int status)
164 SI->WriteOpers("*** Rehashing config file %s due to SIGHUP",ServerConfig::CleanFilename(CONFIG_FILE));
166 SI->OpenLog(SI->Config->argv, SI->Config->argc);
167 SI->RehashUsersAndChans();
168 FOREACH_MOD_I(SI, I_OnGarbageCollect, OnGarbageCollect());
169 SI->Config->Read(false,NULL);
173 FOREACH_MOD_I(SI,I_OnRehash,OnRehash(NULL,""));
176 void InspIRCd::ResetMaxBans()
178 for (chan_hash::const_iterator i = chanlist->begin(); i != chanlist->end(); i++)
179 i->second->ResetMaxBans();
183 /** Because hash_map doesnt free its buckets when we delete items (this is a 'feature')
184 * we must occasionally rehash the hash (yes really).
185 * We do this by copying the entries from the old hash to a new hash, causing all
186 * empty buckets to be weeded out of the hash. We dont do this on a timer, as its
187 * very expensive, so instead we do it when the user types /REHASH and expects a
188 * short delay anyway.
190 void InspIRCd::RehashUsersAndChans()
192 user_hash* old_users = this->clientlist;
193 chan_hash* old_chans = this->chanlist;
195 this->clientlist = new user_hash();
196 this->chanlist = new chan_hash();
198 for (user_hash::const_iterator n = old_users->begin(); n != old_users->end(); n++)
199 this->clientlist->insert(*n);
203 for (chan_hash::const_iterator n = old_chans->begin(); n != old_chans->end(); n++)
204 this->chanlist->insert(*n);
209 void InspIRCd::CloseLog()
211 this->Logger->Close();
214 void InspIRCd::SetSignals()
216 signal(SIGALRM, SIG_IGN);
217 signal(SIGHUP, InspIRCd::Rehash);
218 signal(SIGPIPE, SIG_IGN);
219 signal(SIGTERM, InspIRCd::Exit);
220 signal(SIGCHLD, SIG_IGN);
223 bool InspIRCd::DaemonSeed()
226 if ((childpid = fork ()) < 0)
228 else if (childpid > 0)
230 /* We wait here for the child process to kill us,
231 * so that the shell prompt doesnt come back over
233 * Sending a kill with a signal of 0 just checks
234 * if the child pid is still around. If theyre not,
235 * they threw an error and we should give up.
237 while (kill(childpid, 0) != -1)
243 printf("InspIRCd Process ID: \033[1;32m%lu\033[0m\n",(unsigned long)getpid());
246 if (getrlimit(RLIMIT_CORE, &rl) == -1)
248 this->Log(DEFAULT,"Failed to getrlimit()!");
253 rl.rlim_cur = rl.rlim_max;
254 if (setrlimit(RLIMIT_CORE, &rl) == -1)
255 this->Log(DEFAULT,"setrlimit() failed, cannot increase coredump size.");
261 void InspIRCd::WritePID(const std::string &filename)
263 std::string fname = (filename.empty() ? "inspircd.pid" : filename);
264 if (*(fname.begin()) != '/')
266 std::string::size_type pos;
267 std::string confpath = CONFIG_FILE;
268 if ((pos = confpath.find("/inspircd.conf")) != std::string::npos)
270 /* Leaves us with just the path */
271 fname = confpath.substr(0, pos) + std::string("/") + fname;
274 std::ofstream outfile(fname.c_str());
275 if (outfile.is_open())
282 printf("Failed to write PID-file '%s', exiting.\n",fname.c_str());
283 this->Log(DEFAULT,"Failed to write PID-file '%s', exiting.",fname.c_str());
284 Exit(EXIT_STATUS_PID);
288 std::string InspIRCd::GetRevision()
293 InspIRCd::InspIRCd(int argc, char** argv)
294 : ModCount(-1), duration_m(60), duration_h(60*60), duration_d(60*60*24), duration_w(60*60*24*7), duration_y(60*60*24*365), GlobalCulls(this)
298 int do_nofork = 0, do_debug = 0, do_nolog = 0, do_restart = 0; /* flag variables */
304 this->unregistered_count = 0;
306 this->clientlist = new user_hash();
307 this->chanlist = new chan_hash();
309 this->Config = new ServerConfig(this);
311 this->Config->argv = argv;
312 this->Config->argc = argc;
314 this->Config->opertypes.clear();
315 this->Config->operclass.clear();
316 this->SNO = new SnomaskManager(this);
318 this->TIME = this->OLDTIME = this->startup_time = time(NULL);
319 this->time_delta = 0;
320 this->next_call = this->TIME + 3;
323 if (!ServerConfig::FileExists(CONFIG_FILE))
325 printf("ERROR: Cannot open config file: %s\nExiting...\n",CONFIG_FILE);
326 this->Log(DEFAULT,"main: no config");
327 printf("ERROR: Your config file is missing, this IRCd will self destruct in 10 seconds!\n");
328 Exit(EXIT_STATUS_CONFIG);
331 *this->LogFileName = 0;
333 struct option longopts[] =
335 { "nofork", no_argument, &do_nofork, 1 },
336 { "logfile", required_argument, NULL, 'f' },
337 { "debug", no_argument, &do_debug, 1 },
338 { "nolog", no_argument, &do_nolog, 1 },
339 { "restart", no_argument, &do_restart, 1 },
343 while ((c = getopt_long_only(argc, argv, ":f:", longopts, NULL)) != -1)
348 /* Log filename was set */
349 strlcpy(LogFileName, optarg, MAXBUF);
350 printf("LOG: Setting logfile to %s\n", LogFileName);
353 /* getopt_long_only() set an int variable, just keep going */
356 /* Unknown parameter! DANGER, INTRUDER.... err.... yeah. */
357 printf("Usage: %s [--nofork] [--nolog] [--debug] [--logfile <filename>] [--restart]\n", argv[0]);
358 Exit(EXIT_STATUS_ARGV);
363 /* Set the finished argument values */
364 Config->nofork = do_nofork;
365 Config->forcedebug = do_debug;
366 Config->writelog = !do_nolog;
368 strlcpy(Config->MyExecutable,argv[0],MAXBUF);
370 this->OpenLog(argv, argc);
371 this->stats = new serverstats();
372 this->Timers = new TimerManager(this);
373 this->Parser = new CommandParser(this);
374 this->XLines = new XLineManager(this);
375 Config->ClearStack();
376 Config->Read(true, NULL);
378 this->Modes = new ModeParser(this);
379 this->AddServerName(Config->ServerName);
381 InitializeDisabledCommands(Config->DisabledCommands, this);
382 stats->BoundPortCount = BindPorts(true, found_ports, pl);
384 for(int t = 0; t < 255; t++)
385 Config->global_implementation[t] = 0;
387 memset(&Config->implement_lists,0,sizeof(Config->implement_lists));
394 if (!this->DaemonSeed())
396 printf("ERROR: could not go into daemon mode. Shutting down.\n");
397 Log(DEFAULT,"ERROR: could not go into daemon mode. Shutting down.");
398 Exit(EXIT_STATUS_FORK);
402 /* Because of limitations in kqueue on freebsd, we must fork BEFORE we
403 * initialize the socket engine.
405 SocketEngineFactory* SEF = new SocketEngineFactory();
406 SE = SEF->Create(this);
409 this->Res = new DNS(this);
411 this->LoadAllModules();
412 /* Just in case no modules were loaded - fix for bug #101 */
413 this->BuildISupport();
415 if ((stats->BoundPortCount == 0) && (found_ports > 0))
417 printf("\nERROR: I couldn't bind any ports! Are you sure you didn't start InspIRCd twice?\n");
418 Log(DEFAULT,"ERROR: I couldn't bind any ports! Are you sure you didn't start InspIRCd twice?");
419 Exit(EXIT_STATUS_BIND);
422 if (stats->BoundPortCount != (unsigned int)found_ports)
424 printf("\nWARNING: Not all your client ports could be bound --\nstarting anyway with %ld of %d client ports bound.\n\n", stats->BoundPortCount, found_ports);
425 printf("The following port%s failed to bind:\n", found_ports - stats->BoundPortCount != 1 ? "s" : "");
427 for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
429 printf("%d.\tIP: %s\tPort: %lu\n", j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
433 /* Add the listening sockets used for client inbound connections
434 * to the socket engine
436 for (unsigned long count = 0; count < stats->BoundPortCount; count++)
438 if (!SE->AddFd(Config->openSockfd[count]))
440 printf("\nEH? Could not add listener to socketengine. You screwed up, aborting.\n");
441 Log(DEFAULT,"EH? Could not add listener to socketengine. You screwed up, aborting.");
442 Exit(EXIT_STATUS_INTERNAL);
446 if (!Config->nofork && !do_restart)
450 if (kill(getppid(), SIGTERM) == -1)
452 printf("Error killing parent process: %s\n",strerror(errno));
453 Log(DEFAULT,"Error killing parent process: %s",strerror(errno));
456 /*Log(DEBUG,"Fileno(stdin, stdout, stderr): %d %d %d", fileno(stdin), fileno(stdout), fileno(stderr));*/
476 Log(DEBUG,"%d system descriptors closed.", closed);
479 printf("\nInspIRCd is now running!\n");
480 Log(DEFAULT,"Startup complete, Initial TS=%d.", time(NULL));
482 this->WritePID(Config->PID);
485 std::string InspIRCd::GetVersionString()
487 char versiondata[MAXBUF];
488 char dnsengine[] = "singlethread-object";
489 if (*Config->CustomVersion)
491 snprintf(versiondata,MAXBUF,"%s %s :%s",VERSION,Config->ServerName,Config->CustomVersion);
495 snprintf(versiondata,MAXBUF,"%s %s :%s [FLAGS=%s,%s,%s]",VERSION,Config->ServerName,SYSTEM,REVISION,SE->GetName().c_str(),dnsengine);
500 char* InspIRCd::ModuleError()
505 void InspIRCd::EraseFactory(int j)
508 for (std::vector<ircd_module*>::iterator t = factory.begin(); t != factory.end(); t++)
514 factory.push_back(NULL);
521 void InspIRCd::EraseModule(int j)
524 for (ModuleList::iterator m = modules.begin(); m!= modules.end(); m++)
530 modules.push_back(NULL);
536 for (std::vector<std::string>::iterator v = Config->module_names.begin(); v != Config->module_names.end(); v++)
540 Config->module_names.erase(v);
548 void InspIRCd::MoveTo(std::string modulename,int slot)
550 unsigned int v2 = 256;
551 for (unsigned int v = 0; v < Config->module_names.size(); v++)
553 if (Config->module_names[v] == modulename)
555 // found an instance, swap it with the item at the end
560 if ((v2 != (unsigned int)slot) && (v2 < 256))
562 // Swap the module names over
563 Config->module_names[v2] = Config->module_names[slot];
564 Config->module_names[slot] = modulename;
565 // now swap the module factories
566 ircd_module* temp = factory[v2];
567 factory[v2] = factory[slot];
568 factory[slot] = temp;
569 // now swap the module objects
570 Module* temp_module = modules[v2];
571 modules[v2] = modules[slot];
572 modules[slot] = temp_module;
573 // now swap the implement lists (we dont
574 // need to swap the global or recount it)
575 for (int n = 0; n < 255; n++)
577 char x = Config->implement_lists[v2][n];
578 Config->implement_lists[v2][n] = Config->implement_lists[slot][n];
579 Config->implement_lists[slot][n] = x;
584 void InspIRCd::MoveAfter(std::string modulename, std::string after)
586 for (unsigned int v = 0; v < Config->module_names.size(); v++)
588 if (Config->module_names[v] == after)
590 MoveTo(modulename, v);
596 void InspIRCd::MoveBefore(std::string modulename, std::string before)
598 for (unsigned int v = 0; v < Config->module_names.size(); v++)
600 if (Config->module_names[v] == before)
604 MoveTo(modulename, v-1);
608 MoveTo(modulename, v);
615 void InspIRCd::MoveToFirst(std::string modulename)
617 MoveTo(modulename,0);
620 void InspIRCd::MoveToLast(std::string modulename)
622 MoveTo(modulename,this->GetModuleCount());
625 void InspIRCd::BuildISupport()
627 // the neatest way to construct the initial 005 numeric, considering the number of configure constants to go in it...
629 v << "WALLCHOPS WALLVOICES MODES=" << MAXMODES << " CHANTYPES=# PREFIX=" << this->Modes->BuildPrefixes() << " MAP MAXCHANNELS=" << Config->MaxChans << " MAXBANS=60 VBANLIST NICKLEN=" << NICKMAX-1;
630 v << " CASEMAPPING=rfc1459 STATUSMSG=@%+ CHARSET=ascii TOPICLEN=" << MAXTOPIC << " KICKLEN=" << MAXKICK << " MAXTARGETS=" << Config->MaxTargets << " AWAYLEN=";
631 v << MAXAWAY << " CHANMODES=" << this->Modes->ChanModes() << " FNC NETWORK=" << Config->Network << " MAXPARA=32";
632 Config->data005 = v.str();
633 FOREACH_MOD_I(this,I_On005Numeric,On005Numeric(Config->data005));
637 bool InspIRCd::UnloadModule(const char* filename)
639 std::string filename_str = filename;
640 for (unsigned int j = 0; j != Config->module_names.size(); j++)
642 if (Config->module_names[j] == filename_str)
644 if (modules[j]->GetVersion().Flags & VF_STATIC)
646 this->Log(DEFAULT,"Failed to unload STATIC module %s",filename);
647 snprintf(MODERR,MAXBUF,"Module not unloadable (marked static)");
650 std::pair<int,std::string> intercount = GetInterfaceInstanceCount(modules[j]);
651 if (intercount.first > 0)
653 this->Log(DEFAULT,"Failed to unload module %s, being used by %d other(s) via interface '%s'",filename, intercount.first, intercount.second.c_str());
654 snprintf(MODERR,MAXBUF,"Module not unloadable (Still in use by %d other module%s which %s using its interface '%s') -- unload dependent modules first!",
656 intercount.first > 1 ? "s" : "",
657 intercount.first > 1 ? "are" : "is",
658 intercount.second.c_str());
661 /* Give the module a chance to tidy out all its metadata */
662 for (chan_hash::iterator c = this->chanlist->begin(); c != this->chanlist->end(); c++)
664 modules[j]->OnCleanup(TYPE_CHANNEL,c->second);
666 for (user_hash::iterator u = this->clientlist->begin(); u != this->clientlist->end(); u++)
668 modules[j]->OnCleanup(TYPE_USER,u->second);
671 /* Tidy up any dangling resolvers */
672 this->Res->CleanResolvers(modules[j]);
674 FOREACH_MOD_I(this,I_OnUnloadModule,OnUnloadModule(modules[j],Config->module_names[j]));
676 for(int t = 0; t < 255; t++)
678 Config->global_implementation[t] -= Config->implement_lists[j][t];
681 /* We have to renumber implement_lists after unload because the module numbers change!
683 for(int j2 = j; j2 < 254; j2++)
685 for(int t = 0; t < 255; t++)
687 Config->implement_lists[j2][t] = Config->implement_lists[j2+1][t];
692 Parser->RemoveCommands(filename);
693 this->EraseModule(j);
694 this->EraseFactory(j);
695 this->Log(DEFAULT,"Module %s unloaded",filename);
701 this->Log(DEFAULT,"Module %s is not loaded, cannot unload it!",filename);
702 snprintf(MODERR,MAXBUF,"Module not loaded");
706 bool InspIRCd::LoadModule(const char* filename)
708 /* Do we have a glob pattern in the filename?
709 * The user wants to load multiple modules which
712 if (strchr(filename,'*') || (strchr(filename,'?')))
715 DIR* library = opendir(Config->ModPath);
718 /* Try and locate and load all modules matching the pattern */
719 dirent* entry = NULL;
720 while ((entry = readdir(library)))
722 if (this->MatchText(entry->d_name, filename))
724 if (!this->LoadModule(entry->d_name))
730 /* Loadmodule will now return false if any one of the modules failed
731 * to load (but wont abort when it encounters a bad one) and when 1 or
732 * more modules were actually loaded.
734 return (n_match > 0);
737 char modfile[MAXBUF];
738 snprintf(modfile,MAXBUF,"%s/%s",Config->ModPath,filename);
739 std::string filename_str = filename;
741 if (!ServerConfig::DirValid(modfile))
743 this->Log(DEFAULT,"Module %s is not within the modules directory.",modfile);
744 snprintf(MODERR,MAXBUF,"Module %s is not within the modules directory.",modfile);
747 if (ServerConfig::FileExists(modfile))
750 for (unsigned int j = 0; j < Config->module_names.size(); j++)
752 if (Config->module_names[j] == filename_str)
754 this->Log(DEFAULT,"Module %s is already loaded, cannot load a module twice!",modfile);
755 snprintf(MODERR,MAXBUF,"Module already loaded");
761 ircd_module* a = new ircd_module(this, modfile);
762 factory[this->ModCount+1] = a;
763 if (factory[this->ModCount+1]->LastError())
765 this->Log(DEFAULT,"Unable to load %s: %s",modfile,factory[this->ModCount+1]->LastError());
766 snprintf(MODERR,MAXBUF,"Loader/Linker error: %s",factory[this->ModCount+1]->LastError());
769 if ((long)factory[this->ModCount+1]->factory != -1)
771 Module* m = factory[this->ModCount+1]->factory->CreateModule(this);
773 Version v = m->GetVersion();
775 if (v.API != API_VERSION)
779 this->Log(DEFAULT,"Unable to load %s: Incorrect module API version: %d (our version: %d)",modfile,v.API,API_VERSION);
780 snprintf(MODERR,MAXBUF,"Loader/Linker error: Incorrect module API version: %d (our version: %d)",v.API,API_VERSION);
785 this->Log(DEFAULT,"New module introduced: %s (API version %d, Module version %d.%d.%d.%d)%s", filename, v.API, v.Major, v.Minor, v.Revision, v.Build, (!(v.Flags & VF_VENDOR) ? " [3rd Party]" : " [Vendor]"));
788 modules[this->ModCount+1] = m;
789 /* save the module and the module's classfactory, if
790 * this isnt done, random crashes can occur :/ */
791 Config->module_names.push_back(filename);
793 char* x = &Config->implement_lists[this->ModCount+1][0];
794 for(int t = 0; t < 255; t++)
797 modules[this->ModCount+1]->Implements(x);
799 for(int t = 0; t < 255; t++)
800 Config->global_implementation[t] += Config->implement_lists[this->ModCount+1][t];
804 this->Log(DEFAULT,"Unable to load %s",modfile);
805 snprintf(MODERR,MAXBUF,"Factory function failed: Probably missing init_module() entrypoint.");
809 catch (CoreException& modexcept)
811 this->Log(DEFAULT,"Unable to load %s: ",modfile,modexcept.GetReason());
812 snprintf(MODERR,MAXBUF,"Factory function of %s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
818 this->Log(DEFAULT,"InspIRCd: startup: Module Not Found %s",modfile);
819 snprintf(MODERR,MAXBUF,"Module file could not be found");
823 FOREACH_MOD_I(this,I_OnLoadModule,OnLoadModule(modules[this->ModCount],filename_str));
824 // now work out which modules, if any, want to move to the back of the queue,
825 // and if they do, move them there.
826 std::vector<std::string> put_to_back;
827 std::vector<std::string> put_to_front;
828 std::map<std::string,std::string> put_before;
829 std::map<std::string,std::string> put_after;
830 for (unsigned int j = 0; j < Config->module_names.size(); j++)
832 if (modules[j]->Prioritize() == PRIORITY_LAST)
833 put_to_back.push_back(Config->module_names[j]);
834 else if (modules[j]->Prioritize() == PRIORITY_FIRST)
835 put_to_front.push_back(Config->module_names[j]);
836 else if ((modules[j]->Prioritize() & 0xFF) == PRIORITY_BEFORE)
837 put_before[Config->module_names[j]] = Config->module_names[modules[j]->Prioritize() >> 8];
838 else if ((modules[j]->Prioritize() & 0xFF) == PRIORITY_AFTER)
839 put_after[Config->module_names[j]] = Config->module_names[modules[j]->Prioritize() >> 8];
841 for (unsigned int j = 0; j < put_to_back.size(); j++)
842 MoveToLast(put_to_back[j]);
843 for (unsigned int j = 0; j < put_to_front.size(); j++)
844 MoveToFirst(put_to_front[j]);
845 for (std::map<std::string,std::string>::iterator j = put_before.begin(); j != put_before.end(); j++)
846 MoveBefore(j->first,j->second);
847 for (std::map<std::string,std::string>::iterator j = put_after.begin(); j != put_after.end(); j++)
848 MoveAfter(j->first,j->second);
853 void InspIRCd::DoOneIteration(bool process_module_sockets)
857 /* time() seems to be a pretty expensive syscall, so avoid calling it too much.
858 * Once per loop iteration is pleanty.
863 /* Run background module timers every few seconds
864 * (the docs say modules shouldnt rely on accurate
865 * timing using this event, so we dont have to
866 * time this exactly).
871 WriteOpers("*** \002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %d secs.",abs(OLDTIME-TIME));
872 if ((TIME % 3600) == 0)
874 this->RehashUsersAndChans();
875 FOREACH_MOD_I(this, I_OnGarbageCollect, OnGarbageCollect());
877 Timers->TickTimers(TIME);
878 this->DoBackgroundUserStuff(TIME);
882 XLines->expire_lines();
883 FOREACH_MOD_I(this,I_OnBackgroundTimer,OnBackgroundTimer(TIME));
884 Timers->TickMissedTimers(TIME);
887 if (!getrusage(0, &ru))
889 gettimeofday(&this->stats->LastSampled, NULL);
890 this->stats->LastCPU = ru.ru_utime;
894 /* Call the socket engine to wait on the active
895 * file descriptors. The socket engine has everything's
896 * descriptors in its list... dns, modules, users,
897 * servers... so its nice and easy, just one call.
898 * This will cause any read or write events to be
899 * dispatched to their handlers.
901 SE->DispatchEvents();
903 /* if any users was quit, take them out */
908 bool InspIRCd::IsIdent(const char* n)
913 for (char* i = (char*)n; *i; i++)
915 if ((*i >= 'A') && (*i <= '}'))
919 if (((*i >= '0') && (*i <= '9')) || (*i == '-') || (*i == '.'))
933 DoOneIteration(true);
935 /* This is never reached -- we hope! */
939 /**********************************************************************************/
942 * An ircd in four lines! bwahahaha. ahahahahaha. ahahah *cough*.
945 int main(int argc, char** argv)
947 SI = new InspIRCd(argc, argv);
953 /* this returns true when all modules are satisfied that the user should be allowed onto the irc server
954 * (until this returns true, a user will block in the waiting state, waiting to connect up to the
955 * registration timeout maximum seconds)
957 bool InspIRCd::AllModulesReportReady(userrec* user)
959 if (!Config->global_implementation[I_OnCheckReady])
962 for (int i = 0; i <= this->GetModuleCount(); i++)
964 if (Config->implement_lists[i][I_OnCheckReady])
966 int res = modules[i]->OnCheckReady(user);
974 int InspIRCd::GetModuleCount()
976 return this->ModCount;
979 time_t InspIRCd::Time(bool delta)
982 return TIME + time_delta;
986 int InspIRCd::SetTimeDelta(int delta)
988 int old = time_delta;
990 this->Log(DEBUG, "Time delta set to %d (was %d)", time_delta, old);
994 void InspIRCd::AddLocalClone(userrec* user)
996 clonemap::iterator x = local_clones.find(user->GetIPString());
997 if (x != local_clones.end())
1000 local_clones[user->GetIPString()] = 1;
1003 void InspIRCd::AddGlobalClone(userrec* user)
1005 clonemap::iterator y = global_clones.find(user->GetIPString());
1006 if (y != global_clones.end())
1009 global_clones[user->GetIPString()] = 1;
1012 int InspIRCd::GetTimeDelta()
1017 bool FileLogger::Readable()
1022 void FileLogger::HandleEvent(EventType et, int errornum)
1024 this->WriteLogLine("");
1026 ServerInstance->SE->DelFd(this);
1029 void FileLogger::WriteLogLine(const std::string &line)
1032 buffer.append(line);
1036 int written = fprintf(log,"%s",buffer.c_str());
1037 if ((written >= 0) && (written < (int)buffer.length()))
1039 buffer.erase(0, buffer.length());
1040 ServerInstance->SE->AddFd(this);
1042 else if (written == -1)
1044 if (errno == EAGAIN)
1045 ServerInstance->SE->AddFd(this);
1049 /* Wrote the whole buffer, and no need for write callback */
1053 if (writeops++ % 20)
1060 void FileLogger::Close()
1064 int flags = fcntl(fileno(log), F_GETFL, 0);
1065 fcntl(fileno(log), F_SETFL, flags ^ O_NONBLOCK);
1067 fprintf(log,"%s",buffer.c_str());
1069 ServerInstance->SE->DelFd(this);
1078 FileLogger::FileLogger(InspIRCd* Instance, FILE* logfile) : ServerInstance(Instance), log(logfile), writeops(0)
1082 irc::sockets::NonBlocking(fileno(log));
1083 this->SetFd(fileno(log));
1088 FileLogger::~FileLogger()