2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
5 * Copyright (C) 2007, 2009 Dennis Friis <peavey@inspircd.org>
6 * Copyright (C) 2003-2008 Craig Edwards <craigedwards@brainbox.cc>
7 * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
8 * Copyright (C) 2006-2007 Robin Burchell <robin+git@viroteck.net>
9 * Copyright (C) 2006-2007 Oliver Lupton <oliverlupton@gmail.com>
10 * Copyright (C) 2007 Pippijn van Steenhoven <pip88nl@gmail.com>
11 * Copyright (C) 2003 randomdan <???@???>
13 * This file is part of InspIRCd. InspIRCd is free software: you can
14 * redistribute it and/or modify it under the terms of the GNU General Public
15 * License as published by the Free Software Foundation, version 2.
17 * This program is distributed in the hope that it will be useful, but WITHOUT
18 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
19 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
22 * You should have received a copy of the GNU General Public License
23 * along with this program. If not, see <http://www.gnu.org/licenses/>.
28 #include "exitcodes.h"
31 static insp::intrusive_list<dynamic_reference_base>* dynrefs = NULL;
33 void dynamic_reference_base::reset_all()
37 for (insp::intrusive_list<dynamic_reference_base>::iterator i = dynrefs->begin(); i != dynrefs->end(); ++i)
41 // Version is a simple class for holding a modules version number
42 Version::Version(const std::string &desc, int flags) : description(desc), Flags(flags)
46 Version::Version(const std::string &desc, int flags, const std::string& linkdata)
47 : description(desc), Flags(flags), link_data(linkdata)
51 // These declarations define the behavours of the base class Module (which does nothing at all)
54 : ModuleDLLManager(NULL)
59 CullResult Module::cull()
61 return classbase::cull();
68 void Module::DetachEvent(Implementation i)
70 ServerInstance->Modules->Detach(i, this);
73 void Module::ReadConfig(ConfigStatus& status) { }
74 ModResult Module::OnSendSnotice(char &snomask, std::string &type, const std::string &message) { DetachEvent(I_OnSendSnotice); return MOD_RES_PASSTHRU; }
75 void Module::OnUserConnect(LocalUser*) { DetachEvent(I_OnUserConnect); }
76 void Module::OnUserQuit(User*, const std::string&, const std::string&) { DetachEvent(I_OnUserQuit); }
77 void Module::OnUserDisconnect(LocalUser*) { DetachEvent(I_OnUserDisconnect); }
78 void Module::OnUserJoin(Membership*, bool, bool, CUList&) { DetachEvent(I_OnUserJoin); }
79 void Module::OnPostJoin(Membership*) { DetachEvent(I_OnPostJoin); }
80 void Module::OnUserPart(Membership*, std::string&, CUList&) { DetachEvent(I_OnUserPart); }
81 void Module::OnPreRehash(User*, const std::string&) { DetachEvent(I_OnPreRehash); }
82 void Module::OnModuleRehash(User*, const std::string&) { DetachEvent(I_OnModuleRehash); }
83 ModResult Module::OnUserPreJoin(LocalUser*, Channel*, const std::string&, std::string&, const std::string&) { DetachEvent(I_OnUserPreJoin); return MOD_RES_PASSTHRU; }
84 void Module::OnMode(User*, User*, Channel*, const Modes::ChangeList&, ModeParser::ModeProcessFlag) { DetachEvent(I_OnMode); }
85 void Module::OnOper(User*, const std::string&) { DetachEvent(I_OnOper); }
86 void Module::OnPostOper(User*, const std::string&, const std::string &) { DetachEvent(I_OnPostOper); }
87 void Module::OnPostDeoper(User*) { DetachEvent(I_OnPostDeoper); }
88 ModResult Module::OnUserPreInvite(User*, User*, Channel*, time_t) { DetachEvent(I_OnUserPreInvite); return MOD_RES_PASSTHRU; }
89 ModResult Module::OnUserPreMessage(User*, const MessageTarget&, MessageDetails&) { DetachEvent(I_OnUserPreMessage); return MOD_RES_PASSTHRU; }
90 ModResult Module::OnUserPreNick(LocalUser*, const std::string&) { DetachEvent(I_OnUserPreNick); return MOD_RES_PASSTHRU; }
91 void Module::OnUserPostNick(User*, const std::string&) { DetachEvent(I_OnUserPostNick); }
92 ModResult Module::OnPreMode(User*, User*, Channel*, Modes::ChangeList&) { DetachEvent(I_OnPreMode); return MOD_RES_PASSTHRU; }
93 void Module::On005Numeric(std::map<std::string, std::string>&) { DetachEvent(I_On005Numeric); }
94 ModResult Module::OnKill(User*, User*, const std::string&) { DetachEvent(I_OnKill); return MOD_RES_PASSTHRU; }
95 void Module::OnLoadModule(Module*) { DetachEvent(I_OnLoadModule); }
96 void Module::OnUnloadModule(Module*) { DetachEvent(I_OnUnloadModule); }
97 void Module::OnBackgroundTimer(time_t) { DetachEvent(I_OnBackgroundTimer); }
98 ModResult Module::OnPreCommand(std::string&, CommandBase::Params&, LocalUser*, bool) { DetachEvent(I_OnPreCommand); return MOD_RES_PASSTHRU; }
99 void Module::OnPostCommand(Command*, const CommandBase::Params&, LocalUser*, CmdResult, bool) { DetachEvent(I_OnPostCommand); }
100 void Module::OnUserInit(LocalUser*) { DetachEvent(I_OnUserInit); }
101 void Module::OnUserPostInit(LocalUser*) { DetachEvent(I_OnUserPostInit); }
102 ModResult Module::OnCheckReady(LocalUser*) { DetachEvent(I_OnCheckReady); return MOD_RES_PASSTHRU; }
103 ModResult Module::OnUserRegister(LocalUser*) { DetachEvent(I_OnUserRegister); return MOD_RES_PASSTHRU; }
104 ModResult Module::OnUserPreKick(User*, Membership*, const std::string&) { DetachEvent(I_OnUserPreKick); return MOD_RES_PASSTHRU; }
105 void Module::OnUserKick(User*, Membership*, const std::string&, CUList&) { DetachEvent(I_OnUserKick); }
106 ModResult Module::OnRawMode(User*, Channel*, ModeHandler*, const std::string&, bool) { DetachEvent(I_OnRawMode); return MOD_RES_PASSTHRU; }
107 ModResult Module::OnCheckInvite(User*, Channel*) { DetachEvent(I_OnCheckInvite); return MOD_RES_PASSTHRU; }
108 ModResult Module::OnCheckKey(User*, Channel*, const std::string&) { DetachEvent(I_OnCheckKey); return MOD_RES_PASSTHRU; }
109 ModResult Module::OnCheckLimit(User*, Channel*) { DetachEvent(I_OnCheckLimit); return MOD_RES_PASSTHRU; }
110 ModResult Module::OnCheckChannelBan(User*, Channel*) { DetachEvent(I_OnCheckChannelBan); return MOD_RES_PASSTHRU; }
111 ModResult Module::OnCheckBan(User*, Channel*, const std::string&) { DetachEvent(I_OnCheckBan); return MOD_RES_PASSTHRU; }
112 ModResult Module::OnExtBanCheck(User*, Channel*, char) { DetachEvent(I_OnExtBanCheck); return MOD_RES_PASSTHRU; }
113 ModResult Module::OnPreChangeHost(LocalUser*, const std::string&) { DetachEvent(I_OnPreChangeHost); return MOD_RES_PASSTHRU; }
114 ModResult Module::OnPreChangeRealName(LocalUser*, const std::string&) { DetachEvent(I_OnPreChangeRealName); return MOD_RES_PASSTHRU; }
115 ModResult Module::OnPreTopicChange(User*, Channel*, const std::string&) { DetachEvent(I_OnPreTopicChange); return MOD_RES_PASSTHRU; }
116 ModResult Module::OnPassCompare(Extensible* ex, const std::string &password, const std::string &input, const std::string& hashtype) { DetachEvent(I_OnPassCompare); return MOD_RES_PASSTHRU; }
117 void Module::OnPostConnect(User*) { DetachEvent(I_OnPostConnect); }
118 void Module::OnUserPostMessage(User*, const MessageTarget&, const MessageDetails&) { DetachEvent(I_OnUserPostMessage); }
119 void Module::OnUserMessageBlocked(User*, const MessageTarget&, const MessageDetails&) { DetachEvent(I_OnUserMessageBlocked); }
120 void Module::OnUserInvite(User*, User*, Channel*, time_t, unsigned int, CUList&) { DetachEvent(I_OnUserInvite); }
121 void Module::OnPostTopicChange(User*, Channel*, const std::string&) { DetachEvent(I_OnPostTopicChange); }
122 void Module::OnDecodeMetaData(Extensible*, const std::string&, const std::string&) { DetachEvent(I_OnDecodeMetaData); }
123 void Module::OnChangeHost(User*, const std::string&) { DetachEvent(I_OnChangeHost); }
124 void Module::OnChangeRealName(User*, const std::string&) { DetachEvent(I_OnChangeRealName); }
125 void Module::OnChangeIdent(User*, const std::string&) { DetachEvent(I_OnChangeIdent); }
126 void Module::OnAddLine(User*, XLine*) { DetachEvent(I_OnAddLine); }
127 void Module::OnDelLine(User*, XLine*) { DetachEvent(I_OnDelLine); }
128 void Module::OnExpireLine(XLine*) { DetachEvent(I_OnExpireLine); }
129 void Module::OnCleanup(ExtensionItem::ExtensibleType, Extensible*) { }
130 ModResult Module::OnChannelPreDelete(Channel*) { DetachEvent(I_OnChannelPreDelete); return MOD_RES_PASSTHRU; }
131 void Module::OnChannelDelete(Channel*) { DetachEvent(I_OnChannelDelete); }
132 void Module::OnBuildNeighborList(User*, IncludeChanList&, std::map<User*,bool>&) { DetachEvent(I_OnBuildNeighborList); }
133 void Module::OnGarbageCollect() { DetachEvent(I_OnGarbageCollect); }
134 ModResult Module::OnSetConnectClass(LocalUser* user, ConnectClass* myclass) { DetachEvent(I_OnSetConnectClass); return MOD_RES_PASSTHRU; }
135 void Module::OnUserMessage(User*, const MessageTarget&, const MessageDetails&) { DetachEvent(I_OnUserMessage); }
136 ModResult Module::OnNumeric(User*, const Numeric::Numeric&) { DetachEvent(I_OnNumeric); return MOD_RES_PASSTHRU; }
137 ModResult Module::OnAcceptConnection(int, ListenSocket*, irc::sockets::sockaddrs*, irc::sockets::sockaddrs*) { DetachEvent(I_OnAcceptConnection); return MOD_RES_PASSTHRU; }
138 void Module::OnSetUserIP(LocalUser*) { DetachEvent(I_OnSetUserIP); }
139 void Module::OnServiceAdd(ServiceProvider&) { DetachEvent(I_OnServiceAdd); }
140 void Module::OnServiceDel(ServiceProvider&) { DetachEvent(I_OnServiceDel); }
141 ModResult Module::OnUserWrite(LocalUser*, ClientProtocol::Message&) { DetachEvent(I_OnUserWrite); return MOD_RES_PASSTHRU; }
143 ServiceProvider::ServiceProvider(Module* Creator, const std::string& Name, ServiceType Type)
144 : creator(Creator), name(Name), service(Type)
146 if ((ServerInstance) && (ServerInstance->Modules->NewServices))
147 ServerInstance->Modules->NewServices->push_back(this);
150 void ServiceProvider::DisableAutoRegister()
152 if ((ServerInstance) && (ServerInstance->Modules->NewServices))
153 stdalgo::erase(*ServerInstance->Modules->NewServices, this);
156 ModuleManager::ModuleManager()
160 ModuleManager::~ModuleManager()
164 bool ModuleManager::Attach(Implementation i, Module* mod)
166 if (stdalgo::isin(EventHandlers[i], mod))
169 EventHandlers[i].push_back(mod);
173 bool ModuleManager::Detach(Implementation i, Module* mod)
175 return stdalgo::erase(EventHandlers[i], mod);
178 void ModuleManager::Attach(Implementation* i, Module* mod, size_t sz)
180 for (size_t n = 0; n < sz; ++n)
184 void ModuleManager::AttachAll(Module* mod)
186 for (size_t i = 0; i != I_END; ++i)
187 Attach((Implementation)i, mod);
190 void ModuleManager::DetachAll(Module* mod)
192 for (size_t n = 0; n != I_END; ++n)
193 Detach((Implementation)n, mod);
196 void ModuleManager::SetPriority(Module* mod, Priority s)
198 for (size_t n = 0; n != I_END; ++n)
199 SetPriority(mod, (Implementation)n, s);
202 bool ModuleManager::SetPriority(Module* mod, Implementation i, Priority s, Module* which)
204 /** To change the priority of a module, we first find its position in the vector,
205 * then we find the position of the other modules in the vector that this module
206 * wants to be before/after. We pick off either the first or last of these depending
207 * on which they want, and we make sure our module is *at least* before or after
208 * the first or last of this subset, depending again on the type of priority.
212 /* Locate our module. This is O(n) but it only occurs on module load so we're
213 * not too bothered about it
215 for (size_t x = 0; x != EventHandlers[i].size(); ++x)
217 if (EventHandlers[i][x] == mod)
224 /* Eh? this module doesnt exist, probably trying to set priority on an event
225 * theyre not attached to.
230 // The modules registered for a hook are called in reverse order (to allow for easier removal
231 // of list entries while looping), meaning that the Priority given to us has the exact opposite effect
232 // on the list, e.g.: PRIORITY_BEFORE will actually put 'mod' after 'which', etc.
233 size_t swap_pos = my_pos;
237 if (prioritizationState != PRIO_STATE_FIRST)
243 if (prioritizationState != PRIO_STATE_FIRST)
246 swap_pos = EventHandlers[i].size() - 1;
248 case PRIORITY_BEFORE:
250 /* Find the latest possible position, only searching AFTER our position */
251 for (size_t x = EventHandlers[i].size() - 1; x > my_pos; --x)
253 if (EventHandlers[i][x] == which)
259 // didn't find it - either not loaded or we're already after
262 /* Place this module before a set of other modules */
265 for (size_t x = 0; x < my_pos; ++x)
267 if (EventHandlers[i][x] == which)
273 // didn't find it - either not loaded or we're already before
279 /* Do we need to swap? */
280 if (swap_pos != my_pos)
282 // We are going to change positions; we'll need to run again to verify all requirements
283 if (prioritizationState == PRIO_STATE_LAST)
284 prioritizationState = PRIO_STATE_AGAIN;
285 /* Suggestion from Phoenix, "shuffle" the modules to better retain call order */
288 if (my_pos > swap_pos)
291 for (unsigned int j = my_pos; j != swap_pos; j += incrmnt)
293 if ((j + incrmnt > EventHandlers[i].size() - 1) || ((incrmnt == -1) && (j == 0)))
296 std::swap(EventHandlers[i][j], EventHandlers[i][j+incrmnt]);
303 bool ModuleManager::PrioritizeHooks()
305 /* We give every module a chance to re-prioritize when we introduce a new one,
306 * not just the one thats loading, as the new module could affect the preference
309 for (int tries = 0; tries < 20; tries++)
311 prioritizationState = tries > 0 ? PRIO_STATE_LAST : PRIO_STATE_FIRST;
312 for (std::map<std::string, Module*>::iterator n = Modules.begin(); n != Modules.end(); ++n)
313 n->second->Prioritize();
315 if (prioritizationState == PRIO_STATE_LAST)
319 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, "Hook priority dependency loop detected");
326 bool ModuleManager::CanUnload(Module* mod)
328 std::map<std::string, Module*>::iterator modfind = Modules.find(mod->ModuleSourceFile);
330 if ((modfind == Modules.end()) || (modfind->second != mod) || (mod->dying))
332 LastModuleError = "Module " + mod->ModuleSourceFile + " is not loaded, cannot unload it!";
333 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
341 void ModuleManager::UnregisterModes(Module* mod, ModeType modetype)
343 const ModeParser::ModeHandlerMap& modes = ServerInstance->Modes.GetModes(modetype);
344 for (ModeParser::ModeHandlerMap::const_iterator i = modes.begin(); i != modes.end(); )
346 ModeHandler* const mh = i->second;
348 if (mh->creator == mod)
349 this->DelService(*mh);
353 void ModuleManager::DoSafeUnload(Module* mod)
355 // First, notify all modules that a module is about to be unloaded, so in case
356 // they pass execution to the soon to be unloaded module, it will happen now,
357 // i.e. before we unregister the services of the module being unloaded
358 FOREACH_MOD(OnUnloadModule, (mod));
360 std::map<std::string, Module*>::iterator modfind = Modules.find(mod->ModuleSourceFile);
362 // Unregister modes before extensions because modes may require their extension to show the mode being unset
363 UnregisterModes(mod, MODETYPE_USER);
364 UnregisterModes(mod, MODETYPE_CHANNEL);
366 std::vector<reference<ExtensionItem> > items;
367 ServerInstance->Extensions.BeginUnregister(modfind->second, items);
368 /* Give the module a chance to tidy out all its metadata */
369 const chan_hash& chans = ServerInstance->GetChans();
370 for (chan_hash::const_iterator c = chans.begin(); c != chans.end(); )
372 Channel* chan = c->second;
374 mod->OnCleanup(ExtensionItem::EXT_CHANNEL, chan);
375 chan->doUnhookExtensions(items);
376 const Channel::MemberMap& users = chan->GetUsers();
377 for (Channel::MemberMap::const_iterator mi = users.begin(); mi != users.end(); ++mi)
379 mod->OnCleanup(ExtensionItem::EXT_MEMBERSHIP, mi->second);
380 mi->second->doUnhookExtensions(items);
384 const user_hash& users = ServerInstance->Users->GetUsers();
385 for (user_hash::const_iterator u = users.begin(); u != users.end(); )
387 User* user = u->second;
388 // The module may quit the user (e.g. SSL mod unloading) and that will remove it from the container
390 mod->OnCleanup(ExtensionItem::EXT_USER, user);
391 user->doUnhookExtensions(items);
394 for(std::multimap<std::string, ServiceProvider*>::iterator i = DataProviders.begin(); i != DataProviders.end(); )
396 std::multimap<std::string, ServiceProvider*>::iterator curr = i++;
397 if (curr->second->creator == mod)
398 DataProviders.erase(curr);
401 dynamic_reference_base::reset_all();
405 Modules.erase(modfind);
406 ServerInstance->GlobalCulls.AddItem(mod);
408 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, "Module %s unloaded",mod->ModuleSourceFile.c_str());
409 ServerInstance->ISupport.Build();
412 void ModuleManager::UnloadAll()
414 /* We do this more than once, so that any service providers get a
415 * chance to be unhooked by the modules using them, but then get
416 * a chance to be removed themsleves.
418 * Note: this deliberately does NOT delete the DLLManager objects
420 for (int tries = 0; tries < 4; tries++)
422 std::map<std::string, Module*>::iterator i = Modules.begin();
423 while (i != Modules.end())
425 std::map<std::string, Module*>::iterator me = i++;
426 if (CanUnload(me->second))
428 DoSafeUnload(me->second);
431 ServerInstance->GlobalCulls.Apply();
437 struct UnloadAction : public ActionBase
440 UnloadAction(Module* m) : mod(m) {}
441 void Call() CXX11_OVERRIDE
443 DLLManager* dll = mod->ModuleDLLManager;
444 ServerInstance->Modules->DoSafeUnload(mod);
445 ServerInstance->GlobalCulls.Apply();
446 // In pure static mode this is always NULL
448 ServerInstance->GlobalCulls.AddItem(this);
453 bool ModuleManager::Unload(Module* mod)
457 ServerInstance->AtomicActions.AddAction(new UnloadAction(mod));
461 void ModuleManager::LoadAll()
463 std::map<std::string, ServiceList> servicemap;
464 LoadCoreModules(servicemap);
466 // Step 1: load all of the modules.
467 ConfigTagList tags = ServerInstance->Config->ConfTags("module");
468 for (ConfigIter i = tags.first; i != tags.second; ++i)
470 ConfigTag* tag = i->second;
471 std::string name = ExpandModName(tag->getString("name"));
472 this->NewServices = &servicemap[name];
474 // Skip modules which are already loaded.
475 if (Modules.find(name) != Modules.end())
478 std::cout << "[" << con_green << "*" << con_reset << "] Loading module:\t" << con_green << name << con_reset << std::endl;
479 if (!this->Load(name, true))
481 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, this->LastError());
482 std::cout << std::endl << "[" << con_red << "*" << con_reset << "] " << this->LastError() << std::endl << std::endl;
483 ServerInstance->Exit(EXIT_STATUS_MODULE);
487 // Step 2: initialize the modules and register their services.
488 for (ModuleMap::const_iterator i = Modules.begin(); i != Modules.end(); ++i)
490 Module* mod = i->second;
493 ServerInstance->Logs->Log("MODULE", LOG_DEBUG, "Initializing %s", i->first.c_str());
495 AddServices(servicemap[i->first]);
498 catch (CoreException& modexcept)
500 LastModuleError = "Unable to initialize " + mod->ModuleSourceFile + ": " + modexcept.GetReason();
501 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
502 std::cout << std::endl << "[" << con_red << "*" << con_reset << "] " << LastModuleError << std::endl << std::endl;
503 ServerInstance->Exit(EXIT_STATUS_MODULE);
507 this->NewServices = NULL;
508 ConfigStatus confstatus;
510 // Step 3: Read the configuration for the modules. This must be done as part of
511 // its own step so that services provided by modules can be registered before
512 // the configuration is read.
513 for (ModuleMap::const_iterator i = Modules.begin(); i != Modules.end(); ++i)
515 Module* mod = i->second;
518 ServerInstance->Logs->Log("MODULE", LOG_DEBUG, "Reading configuration for %s", i->first.c_str());
519 mod->ReadConfig(confstatus);
521 catch (CoreException& modexcept)
523 LastModuleError = "Unable to read the configuration for " + mod->ModuleSourceFile + ": " + modexcept.GetReason();
524 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
525 std::cout << std::endl << "[" << con_red << "*" << con_reset << "] " << LastModuleError << std::endl << std::endl;
526 ServerInstance->Exit(EXIT_STATUS_CONFIG);
530 if (!PrioritizeHooks())
531 ServerInstance->Exit(EXIT_STATUS_MODULE);
534 std::string& ModuleManager::LastError()
536 return LastModuleError;
539 void ModuleManager::AddServices(const ServiceList& list)
541 for (ServiceList::const_iterator i = list.begin(); i != list.end(); ++i)
543 ServiceProvider& s = **i;
548 void ModuleManager::AddService(ServiceProvider& item)
550 switch (item.service)
555 if ((!item.name.compare(0, 5, "mode/", 5)) || (!item.name.compare(0, 6, "umode/", 6)))
556 throw ModuleException("The \"mode/\" and the \"umode\" service name prefixes are reserved.");
558 DataProviders.insert(std::make_pair(item.name, &item));
559 std::string::size_type slash = item.name.find('/');
560 if (slash != std::string::npos)
562 DataProviders.insert(std::make_pair(item.name.substr(0, slash), &item));
563 DataProviders.insert(std::make_pair(item.name.substr(slash + 1), &item));
565 dynamic_reference_base::reset_all();
569 item.RegisterService();
572 FOREACH_MOD(OnServiceAdd, (item));
575 void ModuleManager::DelService(ServiceProvider& item)
577 switch (item.service)
580 if (!ServerInstance->Modes->DelMode(static_cast<ModeHandler*>(&item)))
581 throw ModuleException("Mode "+std::string(item.name)+" does not exist.");
590 throw ModuleException("Cannot delete unknown service type");
593 FOREACH_MOD(OnServiceDel, (item));
596 ServiceProvider* ModuleManager::FindService(ServiceType type, const std::string& name)
603 std::multimap<std::string, ServiceProvider*>::iterator i = DataProviders.find(name);
604 if (i != DataProviders.end() && i->second->service == type)
608 // TODO implement finding of the other types
610 throw ModuleException("Cannot find unknown service type");
614 std::string ModuleManager::ExpandModName(const std::string& modname)
616 // Transform "callerid" -> "m_callerid.so" unless it already has a ".so" extension,
617 // so coremods in the "core_*.so" form aren't changed
618 std::string ret = modname;
619 if ((modname.length() < 3) || (modname.compare(modname.size() - 3, 3, ".so")))
620 ret.insert(0, "m_").append(".so");
624 dynamic_reference_base::dynamic_reference_base(Module* Creator, const std::string& Name)
625 : name(Name), hook(NULL), value(NULL), creator(Creator)
628 dynrefs = new insp::intrusive_list<dynamic_reference_base>;
629 dynrefs->push_front(this);
631 // Resolve unless there is no ModuleManager (part of class InspIRCd)
636 dynamic_reference_base::~dynamic_reference_base()
638 dynrefs->erase(this);
639 if (dynrefs->empty())
646 void dynamic_reference_base::SetProvider(const std::string& newname)
652 void dynamic_reference_base::resolve()
654 // Because find() may return any element with a matching key in case count(key) > 1 use lower_bound()
655 // to ensure a dynref with the same name as another one resolves to the same object
656 std::multimap<std::string, ServiceProvider*>::iterator i = ServerInstance->Modules.DataProviders.lower_bound(name);
657 if ((i != ServerInstance->Modules.DataProviders.end()) && (i->first == this->name))
659 ServiceProvider* newvalue = i->second;
660 if (value != newvalue)
671 Module* ModuleManager::Find(const std::string &name)
673 std::map<std::string, Module*>::const_iterator modfind = Modules.find(ExpandModName(name));
675 if (modfind == Modules.end())
678 return modfind->second;
681 void ModuleManager::AddReferent(const std::string& name, ServiceProvider* service)
683 DataProviders.insert(std::make_pair(name, service));
684 dynamic_reference_base::reset_all();
687 void ModuleManager::DelReferent(ServiceProvider* service)
689 for (std::multimap<std::string, ServiceProvider*>::iterator i = DataProviders.begin(); i != DataProviders.end(); )
691 ServiceProvider* curr = i->second;
693 DataProviders.erase(i++);
697 dynamic_reference_base::reset_all();