X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules.cpp;h=b8982579cdde355f9d1e0ec403a2dd35b0e70764;hb=00c0409dd47fe985abf0f8d32cd66c8ef81fe708;hp=7ac4d2062aa3657d278a726bd6eb1777c69fc928;hpb=645f7e18c64a6628ede880dc69bf8825ba93b375;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules.cpp b/src/modules.cpp index 7ac4d2062..b8982579c 100644 --- a/src/modules.cpp +++ b/src/modules.cpp @@ -24,28 +24,22 @@ */ +#include #include "inspircd.h" -#include "xline.h" -#include "socket.h" -#include "socketengine.h" -#include "command_parse.h" -#include "dns.h" #include "exitcodes.h" #ifndef _WIN32 #include #endif -static std::vector* dynrefs = NULL; -static bool dynref_init_complete = false; +static insp::intrusive_list* dynrefs = NULL; void dynamic_reference_base::reset_all() { - dynref_init_complete = true; if (!dynrefs) return; - for(unsigned int i = 0; i < dynrefs->size(); i++) - (*dynrefs)[i]->resolve(); + for (insp::intrusive_list::iterator i = dynrefs->begin(); i != dynrefs->end(); ++i) + (*i)->resolve(); } // Version is a simple class for holding a modules version number @@ -58,24 +52,6 @@ Version::Version(const std::string &desc, int flags, const std::string& linkdata { } -Request::Request(Module* src, Module* dst, const char* idstr) -: id(idstr), source(src), dest(dst) -{ -} - -void Request::Send() -{ - if (dest) - dest->OnRequest(*this); -} - -Event::Event(Module* src, const std::string &eventid) : source(src), id(eventid) { } - -void Event::Send() -{ - FOREACH_MOD(I_OnEvent,OnEvent(*this)); -} - // These declarations define the behavours of the base class Module (which does nothing at all) Module::Module() { } @@ -87,98 +63,101 @@ Module::~Module() { } -ModResult Module::OnSendSnotice(char &snomask, std::string &type, const std::string &message) { return MOD_RES_PASSTHRU; } -void Module::OnUserConnect(LocalUser*) { } -void Module::OnUserQuit(User*, const std::string&, const std::string&) { } -void Module::OnUserDisconnect(LocalUser*) { } -void Module::OnUserJoin(Membership*, bool, bool, CUList&) { } -void Module::OnPostJoin(Membership*) { } -void Module::OnUserPart(Membership*, std::string&, CUList&) { } -void Module::OnPreRehash(User*, const std::string&) { } -void Module::OnModuleRehash(User*, const std::string&) { } -void Module::OnRehash(User*) { } -ModResult Module::OnUserPreJoin(User*, Channel*, const std::string&, std::string&, const std::string&) { return MOD_RES_PASSTHRU; } -void Module::OnMode(User*, void*, int, const std::vector&, const std::vector&) { } -void Module::OnOper(User*, const std::string&) { } -void Module::OnPostOper(User*, const std::string&, const std::string &) { } -void Module::OnInfo(User*) { } -void Module::OnWhois(User*, User*) { } -ModResult Module::OnUserPreInvite(User*, User*, Channel*, time_t) { return MOD_RES_PASSTHRU; } -ModResult Module::OnUserPreMessage(User*, void*, int, std::string&, char, CUList&) { return MOD_RES_PASSTHRU; } -ModResult Module::OnUserPreNotice(User*, void*, int, std::string&, char, CUList&) { return MOD_RES_PASSTHRU; } -ModResult Module::OnUserPreNick(User*, const std::string&) { return MOD_RES_PASSTHRU; } -void Module::OnUserPostNick(User*, const std::string&) { } -ModResult Module::OnPreMode(User*, User*, Channel*, const std::vector&) { return MOD_RES_PASSTHRU; } -void Module::On005Numeric(std::map&) { } -ModResult Module::OnKill(User*, User*, const std::string&) { return MOD_RES_PASSTHRU; } -void Module::OnLoadModule(Module*) { } -void Module::OnUnloadModule(Module*) { } -void Module::OnBackgroundTimer(time_t) { } -ModResult Module::OnPreCommand(std::string&, std::vector&, LocalUser*, bool, const std::string&) { return MOD_RES_PASSTHRU; } -void Module::OnPostCommand(const std::string&, const std::vector&, LocalUser*, CmdResult, const std::string&) { } -void Module::OnUserInit(LocalUser*) { } -ModResult Module::OnCheckReady(LocalUser*) { return MOD_RES_PASSTHRU; } -ModResult Module::OnUserRegister(LocalUser*) { return MOD_RES_PASSTHRU; } -ModResult Module::OnUserPreKick(User*, Membership*, const std::string&) { return MOD_RES_PASSTHRU; } -void Module::OnUserKick(User*, Membership*, const std::string&, CUList&) { } -ModResult Module::OnRawMode(User*, Channel*, const char, const std::string &, bool, int) { return MOD_RES_PASSTHRU; } -ModResult Module::OnCheckInvite(User*, Channel*) { return MOD_RES_PASSTHRU; } -ModResult Module::OnCheckKey(User*, Channel*, const std::string&) { return MOD_RES_PASSTHRU; } -ModResult Module::OnCheckLimit(User*, Channel*) { return MOD_RES_PASSTHRU; } -ModResult Module::OnCheckChannelBan(User*, Channel*) { return MOD_RES_PASSTHRU; } -ModResult Module::OnCheckBan(User*, Channel*, const std::string&) { return MOD_RES_PASSTHRU; } -ModResult Module::OnExtBanCheck(User*, Channel*, char) { return MOD_RES_PASSTHRU; } -ModResult Module::OnStats(char, User*, string_list&) { return MOD_RES_PASSTHRU; } -ModResult Module::OnChangeLocalUserHost(LocalUser*, const std::string&) { return MOD_RES_PASSTHRU; } -ModResult Module::OnChangeLocalUserGECOS(LocalUser*, const std::string&) { return MOD_RES_PASSTHRU; } -ModResult Module::OnPreTopicChange(User*, Channel*, const std::string&) { return MOD_RES_PASSTHRU; } -void Module::OnEvent(Event&) { } -void Module::OnRequest(Request&) { } -ModResult Module::OnPassCompare(Extensible* ex, const std::string &password, const std::string &input, const std::string& hashtype) { return MOD_RES_PASSTHRU; } -void Module::OnGlobalOper(User*) { } -void Module::OnPostConnect(User*) { } -void Module::OnStreamSocketAccept(StreamSocket*, irc::sockets::sockaddrs*, irc::sockets::sockaddrs*) { } -int Module::OnStreamSocketWrite(StreamSocket*, std::string&) { return -1; } -void Module::OnStreamSocketClose(StreamSocket*) { } -void Module::OnStreamSocketConnect(StreamSocket*) { } -int Module::OnStreamSocketRead(StreamSocket*, std::string&) { return -1; } -void Module::OnUserMessage(User*, void*, int, const std::string&, char, const CUList&) { } -void Module::OnUserNotice(User*, void*, int, const std::string&, char, const CUList&) { } -void Module::OnRemoteKill(User*, User*, const std::string&, const std::string&) { } -void Module::OnUserInvite(User*, User*, Channel*, time_t) { } -void Module::OnPostTopicChange(User*, Channel*, const std::string&) { } -void Module::OnGetServerDescription(const std::string&, std::string&) { } -void Module::OnSyncUser(User*, Module*, void*) { } -void Module::OnSyncChannel(Channel*, Module*, void*) { } -void Module::OnSyncNetwork(Module*, void*) { } -void Module::ProtoSendMode(void*, TargetTypeFlags, void*, const std::vector&, const std::vector&) { } -void Module::OnDecodeMetaData(Extensible*, const std::string&, const std::string&) { } -void Module::ProtoSendMetaData(void*, Extensible*, const std::string&, const std::string&) { } -void Module::OnWallops(User*, const std::string&) { } -void Module::OnChangeHost(User*, const std::string&) { } -void Module::OnChangeName(User*, const std::string&) { } -void Module::OnChangeIdent(User*, const std::string&) { } -void Module::OnAddLine(User*, XLine*) { } -void Module::OnDelLine(User*, XLine*) { } -void Module::OnExpireLine(XLine*) { } +void Module::DetachEvent(Implementation i) +{ + ServerInstance->Modules->Detach(i, this); +} + +void Module::ReadConfig(ConfigStatus& status) { } +ModResult Module::OnSendSnotice(char &snomask, std::string &type, const std::string &message) { DetachEvent(I_OnSendSnotice); return MOD_RES_PASSTHRU; } +void Module::OnUserConnect(LocalUser*) { DetachEvent(I_OnUserConnect); } +void Module::OnUserQuit(User*, const std::string&, const std::string&) { DetachEvent(I_OnUserQuit); } +void Module::OnUserDisconnect(LocalUser*) { DetachEvent(I_OnUserDisconnect); } +void Module::OnUserJoin(Membership*, bool, bool, CUList&) { DetachEvent(I_OnUserJoin); } +void Module::OnPostJoin(Membership*) { DetachEvent(I_OnPostJoin); } +void Module::OnUserPart(Membership*, std::string&, CUList&) { DetachEvent(I_OnUserPart); } +void Module::OnPreRehash(User*, const std::string&) { DetachEvent(I_OnPreRehash); } +void Module::OnModuleRehash(User*, const std::string&) { DetachEvent(I_OnModuleRehash); } +ModResult Module::OnUserPreJoin(LocalUser*, Channel*, const std::string&, std::string&, const std::string&) { DetachEvent(I_OnUserPreJoin); return MOD_RES_PASSTHRU; } +void Module::OnMode(User*, User*, Channel*, const Modes::ChangeList&, ModeParser::ModeProcessFlag, const std::string&) { DetachEvent(I_OnMode); } +void Module::OnOper(User*, const std::string&) { DetachEvent(I_OnOper); } +void Module::OnPostOper(User*, const std::string&, const std::string &) { DetachEvent(I_OnPostOper); } +void Module::OnInfo(User*) { DetachEvent(I_OnInfo); } +ModResult Module::OnUserPreInvite(User*, User*, Channel*, time_t) { DetachEvent(I_OnUserPreInvite); return MOD_RES_PASSTHRU; } +ModResult Module::OnUserPreMessage(User*, void*, int, std::string&, char, CUList&, MessageType) { DetachEvent(I_OnUserPreMessage); return MOD_RES_PASSTHRU; } +ModResult Module::OnUserPreNick(LocalUser*, const std::string&) { DetachEvent(I_OnUserPreNick); return MOD_RES_PASSTHRU; } +void Module::OnUserPostNick(User*, const std::string&) { DetachEvent(I_OnUserPostNick); } +ModResult Module::OnPreMode(User*, User*, Channel*, Modes::ChangeList&) { DetachEvent(I_OnPreMode); return MOD_RES_PASSTHRU; } +void Module::On005Numeric(std::map&) { DetachEvent(I_On005Numeric); } +ModResult Module::OnKill(User*, User*, const std::string&) { DetachEvent(I_OnKill); return MOD_RES_PASSTHRU; } +void Module::OnLoadModule(Module*) { DetachEvent(I_OnLoadModule); } +void Module::OnUnloadModule(Module*) { DetachEvent(I_OnUnloadModule); } +void Module::OnBackgroundTimer(time_t) { DetachEvent(I_OnBackgroundTimer); } +ModResult Module::OnPreCommand(std::string&, std::vector&, LocalUser*, bool, const std::string&) { DetachEvent(I_OnPreCommand); return MOD_RES_PASSTHRU; } +void Module::OnPostCommand(Command*, const std::vector&, LocalUser*, CmdResult, const std::string&) { DetachEvent(I_OnPostCommand); } +void Module::OnUserInit(LocalUser*) { DetachEvent(I_OnUserInit); } +ModResult Module::OnCheckReady(LocalUser*) { DetachEvent(I_OnCheckReady); return MOD_RES_PASSTHRU; } +ModResult Module::OnUserRegister(LocalUser*) { DetachEvent(I_OnUserRegister); return MOD_RES_PASSTHRU; } +ModResult Module::OnUserPreKick(User*, Membership*, const std::string&) { DetachEvent(I_OnUserPreKick); return MOD_RES_PASSTHRU; } +void Module::OnUserKick(User*, Membership*, const std::string&, CUList&) { DetachEvent(I_OnUserKick); } +ModResult Module::OnRawMode(User*, Channel*, ModeHandler*, const std::string&, bool) { DetachEvent(I_OnRawMode); return MOD_RES_PASSTHRU; } +ModResult Module::OnCheckInvite(User*, Channel*) { DetachEvent(I_OnCheckInvite); return MOD_RES_PASSTHRU; } +ModResult Module::OnCheckKey(User*, Channel*, const std::string&) { DetachEvent(I_OnCheckKey); return MOD_RES_PASSTHRU; } +ModResult Module::OnCheckLimit(User*, Channel*) { DetachEvent(I_OnCheckLimit); return MOD_RES_PASSTHRU; } +ModResult Module::OnCheckChannelBan(User*, Channel*) { DetachEvent(I_OnCheckChannelBan); return MOD_RES_PASSTHRU; } +ModResult Module::OnCheckBan(User*, Channel*, const std::string&) { DetachEvent(I_OnCheckBan); return MOD_RES_PASSTHRU; } +ModResult Module::OnExtBanCheck(User*, Channel*, char) { DetachEvent(I_OnExtBanCheck); return MOD_RES_PASSTHRU; } +ModResult Module::OnStats(char, User*, string_list&) { DetachEvent(I_OnStats); return MOD_RES_PASSTHRU; } +ModResult Module::OnChangeLocalUserHost(LocalUser*, const std::string&) { DetachEvent(I_OnChangeLocalUserHost); return MOD_RES_PASSTHRU; } +ModResult Module::OnChangeLocalUserGECOS(LocalUser*, const std::string&) { DetachEvent(I_OnChangeLocalUserGECOS); return MOD_RES_PASSTHRU; } +ModResult Module::OnPreTopicChange(User*, Channel*, const std::string&) { DetachEvent(I_OnPreTopicChange); return MOD_RES_PASSTHRU; } +ModResult Module::OnPassCompare(Extensible* ex, const std::string &password, const std::string &input, const std::string& hashtype) { DetachEvent(I_OnPassCompare); return MOD_RES_PASSTHRU; } +void Module::OnPostConnect(User*) { DetachEvent(I_OnPostConnect); } +void Module::OnUserMessage(User*, void*, int, const std::string&, char, const CUList&, MessageType) { DetachEvent(I_OnUserMessage); } +void Module::OnUserInvite(User*, User*, Channel*, time_t) { DetachEvent(I_OnUserInvite); } +void Module::OnPostTopicChange(User*, Channel*, const std::string&) { DetachEvent(I_OnPostTopicChange); } +void Module::OnSyncUser(User*, ProtocolInterface::Server&) { DetachEvent(I_OnSyncUser); } +void Module::OnSyncChannel(Channel*, ProtocolInterface::Server&) { DetachEvent(I_OnSyncChannel); } +void Module::OnSyncNetwork(ProtocolInterface::Server&) { DetachEvent(I_OnSyncNetwork); } +void Module::OnDecodeMetaData(Extensible*, const std::string&, const std::string&) { DetachEvent(I_OnDecodeMetaData); } +void Module::OnChangeHost(User*, const std::string&) { DetachEvent(I_OnChangeHost); } +void Module::OnChangeName(User*, const std::string&) { DetachEvent(I_OnChangeName); } +void Module::OnChangeIdent(User*, const std::string&) { DetachEvent(I_OnChangeIdent); } +void Module::OnAddLine(User*, XLine*) { DetachEvent(I_OnAddLine); } +void Module::OnDelLine(User*, XLine*) { DetachEvent(I_OnDelLine); } +void Module::OnExpireLine(XLine*) { DetachEvent(I_OnExpireLine); } void Module::OnCleanup(int, void*) { } -ModResult Module::OnChannelPreDelete(Channel*) { return MOD_RES_PASSTHRU; } -void Module::OnChannelDelete(Channel*) { } -ModResult Module::OnSetAway(User*, const std::string &) { return MOD_RES_PASSTHRU; } -ModResult Module::OnWhoisLine(User*, User*, int&, std::string&) { return MOD_RES_PASSTHRU; } -void Module::OnBuildNeighborList(User*, UserChanList&, std::map&) { } -void Module::OnGarbageCollect() { } -ModResult Module::OnSetConnectClass(LocalUser* user, ConnectClass* myclass) { return MOD_RES_PASSTHRU; } -void Module::OnText(User*, void*, int, const std::string&, char, CUList&) { } +ModResult Module::OnChannelPreDelete(Channel*) { DetachEvent(I_OnChannelPreDelete); return MOD_RES_PASSTHRU; } +void Module::OnChannelDelete(Channel*) { DetachEvent(I_OnChannelDelete); } +ModResult Module::OnSetAway(User*, const std::string &) { DetachEvent(I_OnSetAway); return MOD_RES_PASSTHRU; } +void Module::OnBuildNeighborList(User*, IncludeChanList&, std::map&) { DetachEvent(I_OnBuildNeighborList); } +void Module::OnGarbageCollect() { DetachEvent(I_OnGarbageCollect); } +ModResult Module::OnSetConnectClass(LocalUser* user, ConnectClass* myclass) { DetachEvent(I_OnSetConnectClass); return MOD_RES_PASSTHRU; } +void Module::OnText(User*, void*, int, const std::string&, char, CUList&) { DetachEvent(I_OnText); } +ModResult Module::OnNamesListItem(User*, Membership*, std::string&, std::string&) { DetachEvent(I_OnNamesListItem); return MOD_RES_PASSTHRU; } +ModResult Module::OnNumeric(User*, unsigned int, const std::string&) { DetachEvent(I_OnNumeric); return MOD_RES_PASSTHRU; } +ModResult Module::OnAcceptConnection(int, ListenSocket*, irc::sockets::sockaddrs*, irc::sockets::sockaddrs*) { DetachEvent(I_OnAcceptConnection); return MOD_RES_PASSTHRU; } +void Module::OnSendWhoLine(User*, const std::vector&, User*, Membership*, std::string&) { DetachEvent(I_OnSendWhoLine); } +void Module::OnSetUserIP(LocalUser*) { DetachEvent(I_OnSetUserIP); } + +#ifdef INSPIRCD_ENABLE_TESTSUITE void Module::OnRunTestSuite() { } -void Module::OnNamesListItem(User*, Membership*, std::string&, std::string&) { } -ModResult Module::OnNumeric(User*, unsigned int, const std::string&) { return MOD_RES_PASSTHRU; } -void Module::OnHookIO(StreamSocket*, ListenSocket*) { } -ModResult Module::OnAcceptConnection(int, ListenSocket*, irc::sockets::sockaddrs*, irc::sockets::sockaddrs*) { return MOD_RES_PASSTHRU; } -void Module::OnSendWhoLine(User*, const std::vector&, User*, std::string&) { } -void Module::OnSetUserIP(LocalUser*) { } +#endif -ModuleManager::ModuleManager() : ModCount(0) +ServiceProvider::ServiceProvider(Module* Creator, const std::string& Name, ServiceType Type) + : creator(Creator), name(Name), service(Type) +{ + if ((ServerInstance) && (ServerInstance->Modules->NewServices)) + ServerInstance->Modules->NewServices->push_back(this); +} + +void ServiceProvider::DisableAutoRegister() +{ + if ((ServerInstance) && (ServerInstance->Modules->NewServices)) + stdalgo::erase(*ServerInstance->Modules->NewServices, this); +} + +ModuleManager::ModuleManager() { } @@ -188,7 +167,7 @@ ModuleManager::~ModuleManager() bool ModuleManager::Attach(Implementation i, Module* mod) { - if (std::find(EventHandlers[i].begin(), EventHandlers[i].end(), mod) != EventHandlers[i].end()) + if (stdalgo::isin(EventHandlers[i], mod)) return false; EventHandlers[i].push_back(mod); @@ -197,13 +176,7 @@ bool ModuleManager::Attach(Implementation i, Module* mod) bool ModuleManager::Detach(Implementation i, Module* mod) { - EventHandlerIter x = std::find(EventHandlers[i].begin(), EventHandlers[i].end(), mod); - - if (x == EventHandlers[i].end()) - return false; - - EventHandlers[i].erase(x); - return true; + return stdalgo::erase(EventHandlers[i], mod); } void ModuleManager::Attach(Implementation* i, Module* mod, size_t sz) @@ -212,18 +185,22 @@ void ModuleManager::Attach(Implementation* i, Module* mod, size_t sz) Attach(i[n], mod); } +void ModuleManager::AttachAll(Module* mod) +{ + for (size_t i = 0; i != I_END; ++i) + Attach((Implementation)i, mod); +} + void ModuleManager::DetachAll(Module* mod) { - for (size_t n = I_BEGIN + 1; n != I_END; ++n) + for (size_t n = 0; n != I_END; ++n) Detach((Implementation)n, mod); } -bool ModuleManager::SetPriority(Module* mod, Priority s) +void ModuleManager::SetPriority(Module* mod, Priority s) { - for (size_t n = I_BEGIN + 1; n != I_END; ++n) + for (size_t n = 0; n != I_END; ++n) SetPriority(mod, (Implementation)n, s); - - return true; } bool ModuleManager::SetPriority(Module* mod, Implementation i, Priority s, Module* which) @@ -254,22 +231,25 @@ bool ModuleManager::SetPriority(Module* mod, Implementation i, Priority s, Modul return false; found_src: + // The modules registered for a hook are called in reverse order (to allow for easier removal + // of list entries while looping), meaning that the Priority given to us has the exact opposite effect + // on the list, e.g.: PRIORITY_BEFORE will actually put 'mod' after 'which', etc. size_t swap_pos = my_pos; switch (s) { - case PRIORITY_FIRST: + case PRIORITY_LAST: if (prioritizationState != PRIO_STATE_FIRST) return true; else swap_pos = 0; break; - case PRIORITY_LAST: + case PRIORITY_FIRST: if (prioritizationState != PRIO_STATE_FIRST) return true; else swap_pos = EventHandlers[i].size() - 1; break; - case PRIORITY_AFTER: + case PRIORITY_BEFORE: { /* Find the latest possible position, only searching AFTER our position */ for (size_t x = EventHandlers[i].size() - 1; x > my_pos; --x) @@ -284,7 +264,7 @@ found_src: return true; } /* Place this module before a set of other modules */ - case PRIORITY_BEFORE: + case PRIORITY_AFTER: { for (size_t x = 0; x < my_pos; ++x) { @@ -324,22 +304,41 @@ swap_now: return true; } +bool ModuleManager::PrioritizeHooks() +{ + /* We give every module a chance to re-prioritize when we introduce a new one, + * not just the one thats loading, as the new module could affect the preference + * of others + */ + for (int tries = 0; tries < 20; tries++) + { + prioritizationState = tries > 0 ? PRIO_STATE_LAST : PRIO_STATE_FIRST; + for (std::map::iterator n = Modules.begin(); n != Modules.end(); ++n) + n->second->Prioritize(); + + if (prioritizationState == PRIO_STATE_LAST) + break; + if (tries == 19) + { + ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, "Hook priority dependency loop detected"); + return false; + } + } + return true; +} + bool ModuleManager::CanUnload(Module* mod) { std::map::iterator modfind = Modules.find(mod->ModuleSourceFile); - if (modfind == Modules.end() || modfind->second != mod) + if ((modfind == Modules.end()) || (modfind->second != mod) || (mod->dying)) { LastModuleError = "Module " + mod->ModuleSourceFile + " is not loaded, cannot unload it!"; ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError); return false; } - if (mod->GetVersion().Flags & VF_STATIC) - { - LastModuleError = "Module " + mod->ModuleSourceFile + " not unloadable (marked static)"; - ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError); - return false; - } + + mod->dying = true; return true; } @@ -348,36 +347,53 @@ void ModuleManager::DoSafeUnload(Module* mod) // First, notify all modules that a module is about to be unloaded, so in case // they pass execution to the soon to be unloaded module, it will happen now, // i.e. before we unregister the services of the module being unloaded - FOREACH_MOD(I_OnUnloadModule,OnUnloadModule(mod)); + FOREACH_MOD(OnUnloadModule, (mod)); std::map::iterator modfind = Modules.find(mod->ModuleSourceFile); std::vector > items; ServerInstance->Extensions.BeginUnregister(modfind->second, items); /* Give the module a chance to tidy out all its metadata */ - for (chan_hash::iterator c = ServerInstance->chanlist->begin(); c != ServerInstance->chanlist->end(); c++) + const chan_hash& chans = ServerInstance->GetChans(); + for (chan_hash::const_iterator c = chans.begin(); c != chans.end(); ) { - mod->OnCleanup(TYPE_CHANNEL,c->second); - c->second->doUnhookExtensions(items); - const UserMembList* users = c->second->GetUsers(); - for(UserMembCIter mi = users->begin(); mi != users->end(); mi++) + Channel* chan = c->second; + ++c; + mod->OnCleanup(TYPE_CHANNEL, chan); + chan->doUnhookExtensions(items); + const Channel::MemberMap& users = chan->GetUsers(); + for (Channel::MemberMap::const_iterator mi = users.begin(); mi != users.end(); ++mi) mi->second->doUnhookExtensions(items); } - for (user_hash::iterator u = ServerInstance->Users->clientlist->begin(); u != ServerInstance->Users->clientlist->end(); u++) + + const user_hash& users = ServerInstance->Users->GetUsers(); + for (user_hash::const_iterator u = users.begin(); u != users.end(); ) { - mod->OnCleanup(TYPE_USER,u->second); - u->second->doUnhookExtensions(items); + User* user = u->second; + // The module may quit the user (e.g. SSL mod unloading) and that will remove it from the container + ++u; + mod->OnCleanup(TYPE_USER, user); + user->doUnhookExtensions(items); } - for(char m='A'; m <= 'z'; m++) + + const ModeParser::ModeHandlerMap& usermodes = ServerInstance->Modes->GetModes(MODETYPE_USER); + for (ModeParser::ModeHandlerMap::const_iterator i = usermodes.begin(); i != usermodes.end(); ) { - ModeHandler* mh; - mh = ServerInstance->Modes->FindMode(m, MODETYPE_USER); - if (mh && mh->creator == mod) + ModeHandler* mh = i->second; + ++i; + if (mh->creator == mod) this->DelService(*mh); - mh = ServerInstance->Modes->FindMode(m, MODETYPE_CHANNEL); - if (mh && mh->creator == mod) + } + + const ModeParser::ModeHandlerMap& chanmodes = ServerInstance->Modes->GetModes(MODETYPE_CHANNEL); + for (ModeParser::ModeHandlerMap::const_iterator i = chanmodes.begin(); i != chanmodes.end(); ) + { + ModeHandler* mh = i->second; + ++i; + if (mh->creator == mod) this->DelService(*mh); } + for(std::multimap::iterator i = DataProviders.begin(); i != DataProviders.end(); ) { std::multimap::iterator curr = i++; @@ -387,16 +403,12 @@ void ModuleManager::DoSafeUnload(Module* mod) dynamic_reference_base::reset_all(); - /* Tidy up any dangling resolvers */ - ServerInstance->Res->CleanResolvers(mod); - DetachAll(mod); Modules.erase(modfind); ServerInstance->GlobalCulls.AddItem(mod); - ServerInstance->Logs->Log("MODULE", LOG_DEFAULT,"Module %s unloaded",mod->ModuleSourceFile.c_str()); - this->ModCount--; + ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, "Module %s unloaded",mod->ModuleSourceFile.c_str()); ServerInstance->ISupport.Build(); } @@ -423,25 +435,139 @@ void ModuleManager::UnloadAll() } } +namespace +{ + struct UnloadAction : public HandlerBase0 + { + Module* const mod; + UnloadAction(Module* m) : mod(m) {} + void Call() + { + DLLManager* dll = mod->ModuleDLLManager; + ServerInstance->Modules->DoSafeUnload(mod); + ServerInstance->GlobalCulls.Apply(); + // In pure static mode this is always NULL + delete dll; + ServerInstance->GlobalCulls.AddItem(this); + } + }; + + struct ReloadAction : public HandlerBase0 + { + Module* const mod; + HandlerBase1* const callback; + ReloadAction(Module* m, HandlerBase1* c) + : mod(m), callback(c) {} + void Call() + { + DLLManager* dll = mod->ModuleDLLManager; + std::string name = mod->ModuleSourceFile; + ServerInstance->Modules->DoSafeUnload(mod); + ServerInstance->GlobalCulls.Apply(); + delete dll; + bool rv = ServerInstance->Modules->Load(name); + if (callback) + callback->Call(rv); + ServerInstance->GlobalCulls.AddItem(this); + } + }; +} + +bool ModuleManager::Unload(Module* mod) +{ + if (!CanUnload(mod)) + return false; + ServerInstance->AtomicActions.AddAction(new UnloadAction(mod)); + return true; +} + +void ModuleManager::Reload(Module* mod, HandlerBase1* callback) +{ + if (CanUnload(mod)) + ServerInstance->AtomicActions.AddAction(new ReloadAction(mod, callback)); + else if (callback) + callback->Call(false); +} + +void ModuleManager::LoadAll() +{ + std::map servicemap; + LoadCoreModules(servicemap); + + ConfigTagList tags = ServerInstance->Config->ConfTags("module"); + for (ConfigIter i = tags.first; i != tags.second; ++i) + { + ConfigTag* tag = i->second; + std::string name = tag->getString("name"); + this->NewServices = &servicemap[name]; + std::cout << "[" << con_green << "*" << con_reset << "] Loading module:\t" << con_green << name << con_reset << std::endl; + + if (!this->Load(name, true)) + { + ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, this->LastError()); + std::cout << std::endl << "[" << con_red << "*" << con_reset << "] " << this->LastError() << std::endl << std::endl; + ServerInstance->Exit(EXIT_STATUS_MODULE); + } + } + + ConfigStatus confstatus; + + for (ModuleMap::const_iterator i = Modules.begin(); i != Modules.end(); ++i) + { + Module* mod = i->second; + try + { + ServerInstance->Logs->Log("MODULE", LOG_DEBUG, "Initializing %s", i->first.c_str()); + AttachAll(mod); + AddServices(servicemap[i->first]); + mod->init(); + mod->ReadConfig(confstatus); + } + catch (CoreException& modexcept) + { + LastModuleError = "Unable to initialize " + mod->ModuleSourceFile + ": " + modexcept.GetReason(); + ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError); + std::cout << std::endl << "[" << con_red << "*" << con_reset << "] " << LastModuleError << std::endl << std::endl; + ServerInstance->Exit(EXIT_STATUS_MODULE); + } + } + + this->NewServices = NULL; + + if (!PrioritizeHooks()) + ServerInstance->Exit(EXIT_STATUS_MODULE); +} + std::string& ModuleManager::LastError() { return LastModuleError; } +void ModuleManager::AddServices(const ServiceList& list) +{ + for (ServiceList::const_iterator i = list.begin(); i != list.end(); ++i) + { + ServiceProvider& s = **i; + AddService(s); + } +} + void ModuleManager::AddService(ServiceProvider& item) { switch (item.service) { case SERVICE_COMMAND: - if (!ServerInstance->Parser->AddCommand(static_cast(&item))) + if (!ServerInstance->Parser.AddCommand(static_cast(&item))) throw ModuleException("Command "+std::string(item.name)+" already exists."); return; case SERVICE_MODE: - if (!ServerInstance->Modes->AddMode(static_cast(&item))) - throw ModuleException("Mode "+std::string(item.name)+" already exists."); - DataProviders.insert(std::make_pair("mode/" + item.name, &item)); + { + ModeHandler* mh = static_cast(&item); + ServerInstance->Modes->AddMode(mh); + DataProviders.insert(std::make_pair((mh->GetModeType() == MODETYPE_CHANNEL ? "mode/" : "umode/") + item.name, &item)); dynamic_reference_base::reset_all(); return; + } case SERVICE_METADATA: if (!ServerInstance->Extensions.Register(static_cast(&item))) throw ModuleException("Extension " + std::string(item.name) + " already exists."); @@ -449,8 +575,8 @@ void ModuleManager::AddService(ServiceProvider& item) case SERVICE_DATA: case SERVICE_IOHOOK: { - if (item.name.substr(0, 5) == "mode/") - throw ModuleException("The \"mode/\" service name prefix is reserved."); + if ((!item.name.compare(0, 5, "mode/", 5)) || (!item.name.compare(0, 6, "umode/", 6))) + throw ModuleException("The \"mode/\" and the \"umode\" service name prefixes are reserved."); DataProviders.insert(std::make_pair(item.name, &item)); std::string::size_type slash = item.name.find('/'); @@ -511,32 +637,24 @@ ServiceProvider* ModuleManager::FindService(ServiceType type, const std::string& } dynamic_reference_base::dynamic_reference_base(Module* Creator, const std::string& Name) - : name(Name), value(NULL), creator(Creator) + : name(Name), hook(NULL), value(NULL), creator(Creator) { if (!dynrefs) - dynrefs = new std::vector; - dynrefs->push_back(this); - if (dynref_init_complete) + dynrefs = new insp::intrusive_list; + dynrefs->push_front(this); + + // Resolve unless there is no ModuleManager (part of class InspIRCd) + if (ServerInstance) resolve(); } dynamic_reference_base::~dynamic_reference_base() { - for(unsigned int i = 0; i < dynrefs->size(); i++) + dynrefs->erase(this); + if (dynrefs->empty()) { - if (dynrefs->at(i) == this) - { - unsigned int last = dynrefs->size() - 1; - if (i != last) - dynrefs->at(i) = dynrefs->at(last); - dynrefs->erase(dynrefs->begin() + last); - if (dynrefs->empty()) - { - delete dynrefs; - dynrefs = NULL; - } - return; - } + delete dynrefs; + dynrefs = NULL; } } @@ -548,36 +666,21 @@ void dynamic_reference_base::SetProvider(const std::string& newname) void dynamic_reference_base::resolve() { - std::multimap::iterator i = ServerInstance->Modules->DataProviders.find(name); - if (i != ServerInstance->Modules->DataProviders.end()) - value = static_cast(i->second); - else - value = NULL; -} - -void InspIRCd::SendMode(const std::vector& parameters, User *user) -{ - this->Modes->Process(parameters, user); -} - - -void InspIRCd::SendGlobalMode(const std::vector& parameters, User *user) -{ - Modes->Process(parameters, user); - if (!Modes->GetLastParse().empty()) - this->PI->SendMode(parameters[0], Modes->GetLastParseParams(), Modes->GetLastParseTranslate()); -} - -bool InspIRCd::AddResolver(Resolver* r, bool cached) -{ - if (!cached) - return this->Res->AddResolverClass(r); - else + // Because find() may return any element with a matching key in case count(key) > 1 use lower_bound() + // to ensure a dynref with the same name as another one resolves to the same object + std::multimap::iterator i = ServerInstance->Modules.DataProviders.lower_bound(name); + if ((i != ServerInstance->Modules.DataProviders.end()) && (i->first == this->name)) { - r->TriggerCachedResult(); - delete r; - return true; + ServiceProvider* newvalue = i->second; + if (value != newvalue) + { + value = newvalue; + if (hook) + hook->OnCapture(); + } } + else + value = NULL; } Module* ModuleManager::Find(const std::string &name) @@ -589,92 +692,3 @@ Module* ModuleManager::Find(const std::string &name) else return modfind->second; } - -const std::vector ModuleManager::GetAllModuleNames(int filter) -{ - std::vector retval; - for (std::map::iterator x = Modules.begin(); x != Modules.end(); ++x) - if (!filter || (x->second->GetVersion().Flags & filter)) - retval.push_back(x->first); - return retval; -} - -FileReader::FileReader(const std::string &filename) -{ - LoadFile(filename); -} - -FileReader::FileReader() -{ -} - -std::string FileReader::Contents() -{ - std::string x; - for (file_cache::iterator a = this->fc.begin(); a != this->fc.end(); a++) - { - x.append(*a); - x.append("\r\n"); - } - return x; -} - -unsigned long FileReader::ContentSize() -{ - return this->contentsize; -} - -void FileReader::CalcSize() -{ - unsigned long n = 0; - for (file_cache::iterator a = this->fc.begin(); a != this->fc.end(); a++) - n += (a->length() + 2); - this->contentsize = n; -} - -void FileReader::LoadFile(const std::string &filename) -{ - std::map::iterator file = ServerInstance->Config->Files.find(filename); - if (file != ServerInstance->Config->Files.end()) - { - this->fc = file->second; - } - else - { - fc.clear(); - FILE* f = fopen(filename.c_str(), "r"); - if (!f) - return; - char linebuf[MAXBUF*10]; - while (fgets(linebuf, sizeof(linebuf), f)) - { - int len = strlen(linebuf); - if (len) - fc.push_back(std::string(linebuf, len - 1)); - } - fclose(f); - } - CalcSize(); -} - - -FileReader::~FileReader() -{ -} - -bool FileReader::Exists() -{ - return (!(fc.size() == 0)); -} - -std::string FileReader::GetLine(int x) -{ - if ((x<0) || ((unsigned)x>fc.size())) - return ""; - return fc[x]; -} - -int FileReader::FileSize() -{ - return fc.size(); -}