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/>.
29 #include "exitcodes.h"
35 static insp::intrusive_list<dynamic_reference_base>* dynrefs = NULL;
37 void dynamic_reference_base::reset_all()
41 for (insp::intrusive_list<dynamic_reference_base>::iterator i = dynrefs->begin(); i != dynrefs->end(); ++i)
45 // Version is a simple class for holding a modules version number
46 Version::Version(const std::string &desc, int flags) : description(desc), Flags(flags)
50 Version::Version(const std::string &desc, int flags, const std::string& linkdata)
51 : description(desc), Flags(flags), link_data(linkdata)
55 // These declarations define the behavours of the base class Module (which does nothing at all)
58 : ModuleDLLManager(NULL)
63 CullResult Module::cull()
65 return classbase::cull();
72 void Module::DetachEvent(Implementation i)
74 ServerInstance->Modules->Detach(i, this);
77 void Module::ReadConfig(ConfigStatus& status) { }
78 ModResult Module::OnSendSnotice(char &snomask, std::string &type, const std::string &message) { DetachEvent(I_OnSendSnotice); return MOD_RES_PASSTHRU; }
79 void Module::OnUserConnect(LocalUser*) { DetachEvent(I_OnUserConnect); }
80 void Module::OnUserQuit(User*, const std::string&, const std::string&) { DetachEvent(I_OnUserQuit); }
81 void Module::OnUserDisconnect(LocalUser*) { DetachEvent(I_OnUserDisconnect); }
82 void Module::OnUserJoin(Membership*, bool, bool, CUList&) { DetachEvent(I_OnUserJoin); }
83 void Module::OnPostJoin(Membership*) { DetachEvent(I_OnPostJoin); }
84 void Module::OnUserPart(Membership*, std::string&, CUList&) { DetachEvent(I_OnUserPart); }
85 void Module::OnPreRehash(User*, const std::string&) { DetachEvent(I_OnPreRehash); }
86 void Module::OnModuleRehash(User*, const std::string&) { DetachEvent(I_OnModuleRehash); }
87 ModResult Module::OnUserPreJoin(LocalUser*, Channel*, const std::string&, std::string&, const std::string&) { DetachEvent(I_OnUserPreJoin); return MOD_RES_PASSTHRU; }
88 void Module::OnMode(User*, User*, Channel*, const Modes::ChangeList&, ModeParser::ModeProcessFlag) { DetachEvent(I_OnMode); }
89 void Module::OnOper(User*, const std::string&) { DetachEvent(I_OnOper); }
90 void Module::OnPostOper(User*, const std::string&, const std::string &) { DetachEvent(I_OnPostOper); }
91 void Module::OnPostDeoper(User*) { DetachEvent(I_OnPostDeoper); }
92 ModResult Module::OnUserPreInvite(User*, User*, Channel*, time_t) { DetachEvent(I_OnUserPreInvite); return MOD_RES_PASSTHRU; }
93 ModResult Module::OnUserPreMessage(User*, const MessageTarget&, MessageDetails&) { DetachEvent(I_OnUserPreMessage); return MOD_RES_PASSTHRU; }
94 ModResult Module::OnUserPreNick(LocalUser*, const std::string&) { DetachEvent(I_OnUserPreNick); return MOD_RES_PASSTHRU; }
95 void Module::OnUserPostNick(User*, const std::string&) { DetachEvent(I_OnUserPostNick); }
96 ModResult Module::OnPreMode(User*, User*, Channel*, Modes::ChangeList&) { DetachEvent(I_OnPreMode); return MOD_RES_PASSTHRU; }
97 void Module::On005Numeric(std::map<std::string, std::string>&) { DetachEvent(I_On005Numeric); }
98 ModResult Module::OnKill(User*, User*, const std::string&) { DetachEvent(I_OnKill); return MOD_RES_PASSTHRU; }
99 void Module::OnLoadModule(Module*) { DetachEvent(I_OnLoadModule); }
100 void Module::OnUnloadModule(Module*) { DetachEvent(I_OnUnloadModule); }
101 void Module::OnBackgroundTimer(time_t) { DetachEvent(I_OnBackgroundTimer); }
102 ModResult Module::OnPreCommand(std::string&, CommandBase::Params&, LocalUser*, bool) { DetachEvent(I_OnPreCommand); return MOD_RES_PASSTHRU; }
103 void Module::OnPostCommand(Command*, const CommandBase::Params&, LocalUser*, CmdResult, bool) { DetachEvent(I_OnPostCommand); }
104 void Module::OnUserInit(LocalUser*) { DetachEvent(I_OnUserInit); }
105 void Module::OnUserPostInit(LocalUser*) { DetachEvent(I_OnUserPostInit); }
106 ModResult Module::OnCheckReady(LocalUser*) { DetachEvent(I_OnCheckReady); return MOD_RES_PASSTHRU; }
107 ModResult Module::OnUserRegister(LocalUser*) { DetachEvent(I_OnUserRegister); return MOD_RES_PASSTHRU; }
108 ModResult Module::OnUserPreKick(User*, Membership*, const std::string&) { DetachEvent(I_OnUserPreKick); return MOD_RES_PASSTHRU; }
109 void Module::OnUserKick(User*, Membership*, const std::string&, CUList&) { DetachEvent(I_OnUserKick); }
110 ModResult Module::OnRawMode(User*, Channel*, ModeHandler*, const std::string&, bool) { DetachEvent(I_OnRawMode); return MOD_RES_PASSTHRU; }
111 ModResult Module::OnCheckInvite(User*, Channel*) { DetachEvent(I_OnCheckInvite); return MOD_RES_PASSTHRU; }
112 ModResult Module::OnCheckKey(User*, Channel*, const std::string&) { DetachEvent(I_OnCheckKey); return MOD_RES_PASSTHRU; }
113 ModResult Module::OnCheckLimit(User*, Channel*) { DetachEvent(I_OnCheckLimit); return MOD_RES_PASSTHRU; }
114 ModResult Module::OnCheckChannelBan(User*, Channel*) { DetachEvent(I_OnCheckChannelBan); return MOD_RES_PASSTHRU; }
115 ModResult Module::OnCheckBan(User*, Channel*, const std::string&) { DetachEvent(I_OnCheckBan); return MOD_RES_PASSTHRU; }
116 ModResult Module::OnExtBanCheck(User*, Channel*, char) { DetachEvent(I_OnExtBanCheck); return MOD_RES_PASSTHRU; }
117 ModResult Module::OnPreChangeHost(LocalUser*, const std::string&) { DetachEvent(I_OnPreChangeHost); return MOD_RES_PASSTHRU; }
118 ModResult Module::OnPreChangeRealName(LocalUser*, const std::string&) { DetachEvent(I_OnPreChangeRealName); return MOD_RES_PASSTHRU; }
119 ModResult Module::OnPreTopicChange(User*, Channel*, const std::string&) { DetachEvent(I_OnPreTopicChange); return MOD_RES_PASSTHRU; }
120 ModResult Module::OnPassCompare(Extensible* ex, const std::string &password, const std::string &input, const std::string& hashtype) { DetachEvent(I_OnPassCompare); return MOD_RES_PASSTHRU; }
121 void Module::OnPostConnect(User*) { DetachEvent(I_OnPostConnect); }
122 void Module::OnUserPostMessage(User*, const MessageTarget&, const MessageDetails&) { DetachEvent(I_OnUserPostMessage); }
123 void Module::OnUserMessageBlocked(User*, const MessageTarget&, const MessageDetails&) { DetachEvent(I_OnUserMessageBlocked); }
124 void Module::OnUserInvite(User*, User*, Channel*, time_t, unsigned int, CUList&) { DetachEvent(I_OnUserInvite); }
125 void Module::OnPostTopicChange(User*, Channel*, const std::string&) { DetachEvent(I_OnPostTopicChange); }
126 void Module::OnDecodeMetaData(Extensible*, const std::string&, const std::string&) { DetachEvent(I_OnDecodeMetaData); }
127 void Module::OnChangeHost(User*, const std::string&) { DetachEvent(I_OnChangeHost); }
128 void Module::OnChangeRealName(User*, const std::string&) { DetachEvent(I_OnChangeRealName); }
129 void Module::OnChangeIdent(User*, const std::string&) { DetachEvent(I_OnChangeIdent); }
130 void Module::OnAddLine(User*, XLine*) { DetachEvent(I_OnAddLine); }
131 void Module::OnDelLine(User*, XLine*) { DetachEvent(I_OnDelLine); }
132 void Module::OnExpireLine(XLine*) { DetachEvent(I_OnExpireLine); }
133 void Module::OnCleanup(ExtensionItem::ExtensibleType, Extensible*) { }
134 ModResult Module::OnChannelPreDelete(Channel*) { DetachEvent(I_OnChannelPreDelete); return MOD_RES_PASSTHRU; }
135 void Module::OnChannelDelete(Channel*) { DetachEvent(I_OnChannelDelete); }
136 void Module::OnBuildNeighborList(User*, IncludeChanList&, std::map<User*,bool>&) { DetachEvent(I_OnBuildNeighborList); }
137 void Module::OnGarbageCollect() { DetachEvent(I_OnGarbageCollect); }
138 ModResult Module::OnSetConnectClass(LocalUser* user, ConnectClass* myclass) { DetachEvent(I_OnSetConnectClass); return MOD_RES_PASSTHRU; }
139 void Module::OnUserMessage(User*, const MessageTarget&, const MessageDetails&) { DetachEvent(I_OnUserMessage); }
140 ModResult Module::OnNamesListItem(User*, Membership*, std::string&, std::string&) { DetachEvent(I_OnNamesListItem); return MOD_RES_PASSTHRU; }
141 ModResult Module::OnNumeric(User*, const Numeric::Numeric&) { DetachEvent(I_OnNumeric); return MOD_RES_PASSTHRU; }
142 ModResult Module::OnAcceptConnection(int, ListenSocket*, irc::sockets::sockaddrs*, irc::sockets::sockaddrs*) { DetachEvent(I_OnAcceptConnection); return MOD_RES_PASSTHRU; }
143 void Module::OnSetUserIP(LocalUser*) { DetachEvent(I_OnSetUserIP); }
144 void Module::OnServiceAdd(ServiceProvider&) { DetachEvent(I_OnServiceAdd); }
145 void Module::OnServiceDel(ServiceProvider&) { DetachEvent(I_OnServiceDel); }
146 ModResult Module::OnUserWrite(LocalUser*, ClientProtocol::Message&) { DetachEvent(I_OnUserWrite); return MOD_RES_PASSTHRU; }
148 ServiceProvider::ServiceProvider(Module* Creator, const std::string& Name, ServiceType Type)
149 : creator(Creator), name(Name), service(Type)
151 if ((ServerInstance) && (ServerInstance->Modules->NewServices))
152 ServerInstance->Modules->NewServices->push_back(this);
155 void ServiceProvider::DisableAutoRegister()
157 if ((ServerInstance) && (ServerInstance->Modules->NewServices))
158 stdalgo::erase(*ServerInstance->Modules->NewServices, this);
161 ModuleManager::ModuleManager()
165 ModuleManager::~ModuleManager()
169 bool ModuleManager::Attach(Implementation i, Module* mod)
171 if (stdalgo::isin(EventHandlers[i], mod))
174 EventHandlers[i].push_back(mod);
178 bool ModuleManager::Detach(Implementation i, Module* mod)
180 return stdalgo::erase(EventHandlers[i], mod);
183 void ModuleManager::Attach(Implementation* i, Module* mod, size_t sz)
185 for (size_t n = 0; n < sz; ++n)
189 void ModuleManager::AttachAll(Module* mod)
191 for (size_t i = 0; i != I_END; ++i)
192 Attach((Implementation)i, mod);
195 void ModuleManager::DetachAll(Module* mod)
197 for (size_t n = 0; n != I_END; ++n)
198 Detach((Implementation)n, mod);
201 void ModuleManager::SetPriority(Module* mod, Priority s)
203 for (size_t n = 0; n != I_END; ++n)
204 SetPriority(mod, (Implementation)n, s);
207 bool ModuleManager::SetPriority(Module* mod, Implementation i, Priority s, Module* which)
209 /** To change the priority of a module, we first find its position in the vector,
210 * then we find the position of the other modules in the vector that this module
211 * wants to be before/after. We pick off either the first or last of these depending
212 * on which they want, and we make sure our module is *at least* before or after
213 * the first or last of this subset, depending again on the type of priority.
217 /* Locate our module. This is O(n) but it only occurs on module load so we're
218 * not too bothered about it
220 for (size_t x = 0; x != EventHandlers[i].size(); ++x)
222 if (EventHandlers[i][x] == mod)
229 /* Eh? this module doesnt exist, probably trying to set priority on an event
230 * theyre not attached to.
235 // The modules registered for a hook are called in reverse order (to allow for easier removal
236 // of list entries while looping), meaning that the Priority given to us has the exact opposite effect
237 // on the list, e.g.: PRIORITY_BEFORE will actually put 'mod' after 'which', etc.
238 size_t swap_pos = my_pos;
242 if (prioritizationState != PRIO_STATE_FIRST)
248 if (prioritizationState != PRIO_STATE_FIRST)
251 swap_pos = EventHandlers[i].size() - 1;
253 case PRIORITY_BEFORE:
255 /* Find the latest possible position, only searching AFTER our position */
256 for (size_t x = EventHandlers[i].size() - 1; x > my_pos; --x)
258 if (EventHandlers[i][x] == which)
264 // didn't find it - either not loaded or we're already after
267 /* Place this module before a set of other modules */
270 for (size_t x = 0; x < my_pos; ++x)
272 if (EventHandlers[i][x] == which)
278 // didn't find it - either not loaded or we're already before
284 /* Do we need to swap? */
285 if (swap_pos != my_pos)
287 // We are going to change positions; we'll need to run again to verify all requirements
288 if (prioritizationState == PRIO_STATE_LAST)
289 prioritizationState = PRIO_STATE_AGAIN;
290 /* Suggestion from Phoenix, "shuffle" the modules to better retain call order */
293 if (my_pos > swap_pos)
296 for (unsigned int j = my_pos; j != swap_pos; j += incrmnt)
298 if ((j + incrmnt > EventHandlers[i].size() - 1) || ((incrmnt == -1) && (j == 0)))
301 std::swap(EventHandlers[i][j], EventHandlers[i][j+incrmnt]);
308 bool ModuleManager::PrioritizeHooks()
310 /* We give every module a chance to re-prioritize when we introduce a new one,
311 * not just the one thats loading, as the new module could affect the preference
314 for (int tries = 0; tries < 20; tries++)
316 prioritizationState = tries > 0 ? PRIO_STATE_LAST : PRIO_STATE_FIRST;
317 for (std::map<std::string, Module*>::iterator n = Modules.begin(); n != Modules.end(); ++n)
318 n->second->Prioritize();
320 if (prioritizationState == PRIO_STATE_LAST)
324 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, "Hook priority dependency loop detected");
331 bool ModuleManager::CanUnload(Module* mod)
333 std::map<std::string, Module*>::iterator modfind = Modules.find(mod->ModuleSourceFile);
335 if ((modfind == Modules.end()) || (modfind->second != mod) || (mod->dying))
337 LastModuleError = "Module " + mod->ModuleSourceFile + " is not loaded, cannot unload it!";
338 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
346 void ModuleManager::UnregisterModes(Module* mod, ModeType modetype)
348 const ModeParser::ModeHandlerMap& modes = ServerInstance->Modes.GetModes(modetype);
349 for (ModeParser::ModeHandlerMap::const_iterator i = modes.begin(); i != modes.end(); )
351 ModeHandler* const mh = i->second;
353 if (mh->creator == mod)
354 this->DelService(*mh);
358 void ModuleManager::DoSafeUnload(Module* mod)
360 // First, notify all modules that a module is about to be unloaded, so in case
361 // they pass execution to the soon to be unloaded module, it will happen now,
362 // i.e. before we unregister the services of the module being unloaded
363 FOREACH_MOD(OnUnloadModule, (mod));
365 std::map<std::string, Module*>::iterator modfind = Modules.find(mod->ModuleSourceFile);
367 // Unregister modes before extensions because modes may require their extension to show the mode being unset
368 UnregisterModes(mod, MODETYPE_USER);
369 UnregisterModes(mod, MODETYPE_CHANNEL);
371 std::vector<reference<ExtensionItem> > items;
372 ServerInstance->Extensions.BeginUnregister(modfind->second, items);
373 /* Give the module a chance to tidy out all its metadata */
374 const chan_hash& chans = ServerInstance->GetChans();
375 for (chan_hash::const_iterator c = chans.begin(); c != chans.end(); )
377 Channel* chan = c->second;
379 mod->OnCleanup(ExtensionItem::EXT_CHANNEL, chan);
380 chan->doUnhookExtensions(items);
381 const Channel::MemberMap& users = chan->GetUsers();
382 for (Channel::MemberMap::const_iterator mi = users.begin(); mi != users.end(); ++mi)
384 mod->OnCleanup(ExtensionItem::EXT_MEMBERSHIP, mi->second);
385 mi->second->doUnhookExtensions(items);
389 const user_hash& users = ServerInstance->Users->GetUsers();
390 for (user_hash::const_iterator u = users.begin(); u != users.end(); )
392 User* user = u->second;
393 // The module may quit the user (e.g. SSL mod unloading) and that will remove it from the container
395 mod->OnCleanup(ExtensionItem::EXT_USER, user);
396 user->doUnhookExtensions(items);
399 for(std::multimap<std::string, ServiceProvider*>::iterator i = DataProviders.begin(); i != DataProviders.end(); )
401 std::multimap<std::string, ServiceProvider*>::iterator curr = i++;
402 if (curr->second->creator == mod)
403 DataProviders.erase(curr);
406 dynamic_reference_base::reset_all();
410 Modules.erase(modfind);
411 ServerInstance->GlobalCulls.AddItem(mod);
413 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, "Module %s unloaded",mod->ModuleSourceFile.c_str());
414 ServerInstance->ISupport.Build();
417 void ModuleManager::UnloadAll()
419 /* We do this more than once, so that any service providers get a
420 * chance to be unhooked by the modules using them, but then get
421 * a chance to be removed themsleves.
423 * Note: this deliberately does NOT delete the DLLManager objects
425 for (int tries = 0; tries < 4; tries++)
427 std::map<std::string, Module*>::iterator i = Modules.begin();
428 while (i != Modules.end())
430 std::map<std::string, Module*>::iterator me = i++;
431 if (CanUnload(me->second))
433 DoSafeUnload(me->second);
436 ServerInstance->GlobalCulls.Apply();
442 struct UnloadAction : public ActionBase
445 UnloadAction(Module* m) : mod(m) {}
446 void Call() CXX11_OVERRIDE
448 DLLManager* dll = mod->ModuleDLLManager;
449 ServerInstance->Modules->DoSafeUnload(mod);
450 ServerInstance->GlobalCulls.Apply();
451 // In pure static mode this is always NULL
453 ServerInstance->GlobalCulls.AddItem(this);
458 bool ModuleManager::Unload(Module* mod)
462 ServerInstance->AtomicActions.AddAction(new UnloadAction(mod));
466 void ModuleManager::LoadAll()
468 std::map<std::string, ServiceList> servicemap;
469 LoadCoreModules(servicemap);
471 // Step 1: load all of the modules.
472 ConfigTagList tags = ServerInstance->Config->ConfTags("module");
473 for (ConfigIter i = tags.first; i != tags.second; ++i)
475 ConfigTag* tag = i->second;
476 std::string name = ExpandModName(tag->getString("name"));
477 this->NewServices = &servicemap[name];
479 // Skip modules which are already loaded.
480 if (Modules.find(name) != Modules.end())
483 std::cout << "[" << con_green << "*" << con_reset << "] Loading module:\t" << con_green << name << con_reset << std::endl;
484 if (!this->Load(name, true))
486 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, this->LastError());
487 std::cout << std::endl << "[" << con_red << "*" << con_reset << "] " << this->LastError() << std::endl << std::endl;
488 ServerInstance->Exit(EXIT_STATUS_MODULE);
492 // Step 2: initialize the modules and register their services.
493 for (ModuleMap::const_iterator i = Modules.begin(); i != Modules.end(); ++i)
495 Module* mod = i->second;
498 ServerInstance->Logs->Log("MODULE", LOG_DEBUG, "Initializing %s", i->first.c_str());
500 AddServices(servicemap[i->first]);
503 catch (CoreException& modexcept)
505 LastModuleError = "Unable to initialize " + mod->ModuleSourceFile + ": " + modexcept.GetReason();
506 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
507 std::cout << std::endl << "[" << con_red << "*" << con_reset << "] " << LastModuleError << std::endl << std::endl;
508 ServerInstance->Exit(EXIT_STATUS_MODULE);
512 this->NewServices = NULL;
513 ConfigStatus confstatus;
515 // Step 3: Read the configuration for the modules. This must be done as part of
516 // its own step so that services provided by modules can be registered before
517 // the configuration is read.
518 for (ModuleMap::const_iterator i = Modules.begin(); i != Modules.end(); ++i)
520 Module* mod = i->second;
523 ServerInstance->Logs->Log("MODULE", LOG_DEBUG, "Reading configuration for %s", i->first.c_str());
524 mod->ReadConfig(confstatus);
526 catch (CoreException& modexcept)
528 LastModuleError = "Unable to read the configuration for " + mod->ModuleSourceFile + ": " + modexcept.GetReason();
529 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
530 std::cout << std::endl << "[" << con_red << "*" << con_reset << "] " << LastModuleError << std::endl << std::endl;
531 ServerInstance->Exit(EXIT_STATUS_CONFIG);
535 if (!PrioritizeHooks())
536 ServerInstance->Exit(EXIT_STATUS_MODULE);
539 std::string& ModuleManager::LastError()
541 return LastModuleError;
544 void ModuleManager::AddServices(const ServiceList& list)
546 for (ServiceList::const_iterator i = list.begin(); i != list.end(); ++i)
548 ServiceProvider& s = **i;
553 void ModuleManager::AddService(ServiceProvider& item)
555 switch (item.service)
560 if ((!item.name.compare(0, 5, "mode/", 5)) || (!item.name.compare(0, 6, "umode/", 6)))
561 throw ModuleException("The \"mode/\" and the \"umode\" service name prefixes are reserved.");
563 DataProviders.insert(std::make_pair(item.name, &item));
564 std::string::size_type slash = item.name.find('/');
565 if (slash != std::string::npos)
567 DataProviders.insert(std::make_pair(item.name.substr(0, slash), &item));
568 DataProviders.insert(std::make_pair(item.name.substr(slash + 1), &item));
570 dynamic_reference_base::reset_all();
574 item.RegisterService();
577 FOREACH_MOD(OnServiceAdd, (item));
580 void ModuleManager::DelService(ServiceProvider& item)
582 switch (item.service)
585 if (!ServerInstance->Modes->DelMode(static_cast<ModeHandler*>(&item)))
586 throw ModuleException("Mode "+std::string(item.name)+" does not exist.");
595 throw ModuleException("Cannot delete unknown service type");
598 FOREACH_MOD(OnServiceDel, (item));
601 ServiceProvider* ModuleManager::FindService(ServiceType type, const std::string& name)
608 std::multimap<std::string, ServiceProvider*>::iterator i = DataProviders.find(name);
609 if (i != DataProviders.end() && i->second->service == type)
613 // TODO implement finding of the other types
615 throw ModuleException("Cannot find unknown service type");
619 std::string ModuleManager::ExpandModName(const std::string& modname)
621 // Transform "callerid" -> "m_callerid.so" unless it already has a ".so" extension,
622 // so coremods in the "core_*.so" form aren't changed
623 std::string ret = modname;
624 if ((modname.length() < 3) || (modname.compare(modname.size() - 3, 3, ".so")))
625 ret.insert(0, "m_").append(".so");
629 dynamic_reference_base::dynamic_reference_base(Module* Creator, const std::string& Name)
630 : name(Name), hook(NULL), value(NULL), creator(Creator)
633 dynrefs = new insp::intrusive_list<dynamic_reference_base>;
634 dynrefs->push_front(this);
636 // Resolve unless there is no ModuleManager (part of class InspIRCd)
641 dynamic_reference_base::~dynamic_reference_base()
643 dynrefs->erase(this);
644 if (dynrefs->empty())
651 void dynamic_reference_base::SetProvider(const std::string& newname)
657 void dynamic_reference_base::resolve()
659 // Because find() may return any element with a matching key in case count(key) > 1 use lower_bound()
660 // to ensure a dynref with the same name as another one resolves to the same object
661 std::multimap<std::string, ServiceProvider*>::iterator i = ServerInstance->Modules.DataProviders.lower_bound(name);
662 if ((i != ServerInstance->Modules.DataProviders.end()) && (i->first == this->name))
664 ServiceProvider* newvalue = i->second;
665 if (value != newvalue)
676 Module* ModuleManager::Find(const std::string &name)
678 std::map<std::string, Module*>::const_iterator modfind = Modules.find(ExpandModName(name));
680 if (modfind == Modules.end())
683 return modfind->second;
686 void ModuleManager::AddReferent(const std::string& name, ServiceProvider* service)
688 DataProviders.insert(std::make_pair(name, service));
689 dynamic_reference_base::reset_all();
692 void ModuleManager::DelReferent(ServiceProvider* service)
694 for (std::multimap<std::string, ServiceProvider*>::iterator i = DataProviders.begin(); i != DataProviders.end(); )
696 ServiceProvider* curr = i->second;
698 DataProviders.erase(i++);
702 dynamic_reference_base::reset_all();