diff options
-rw-r--r-- | include/commands/cmd_whowas.h | 10 | ||||
-rw-r--r-- | include/extensible.h | 13 | ||||
-rw-r--r-- | include/modules.h | 16 | ||||
-rw-r--r-- | include/modules/reload.h | 80 | ||||
-rw-r--r-- | src/base.cpp | 22 | ||||
-rw-r--r-- | src/coremods/core_reloadmodule.cpp | 587 | ||||
-rw-r--r-- | src/coremods/core_whowas.cpp | 78 | ||||
-rw-r--r-- | src/modules.cpp | 28 | ||||
-rw-r--r-- | src/modules/m_globalload.cpp | 25 | ||||
-rw-r--r-- | src/modules/m_services_account.cpp | 5 |
10 files changed, 747 insertions, 117 deletions
diff --git a/include/commands/cmd_whowas.h b/include/commands/cmd_whowas.h index cd2101e9f..aaea31864 100644 --- a/include/commands/cmd_whowas.h +++ b/include/commands/cmd_whowas.h @@ -172,6 +172,16 @@ namespace WhoWas /** Shrink all data structures to honor the current settings */ void Prune(); + + /** Remove a nick (and all entries belonging to it) from the database + * @param it Iterator to the nick to purge + */ + void PurgeNick(whowas_users::iterator it); + + /** Remove a nick (and all entries belonging to it) from the database + * @param nick Nick to purge + */ + void PurgeNick(WhoWas::Nick* nick); }; } diff --git a/include/extensible.h b/include/extensible.h index 3453f3e15..1a51fdaaf 100644 --- a/include/extensible.h +++ b/include/extensible.h @@ -125,11 +125,20 @@ class CoreExport Extensible : public classbase class CoreExport ExtensionManager { - std::map<std::string, reference<ExtensionItem> > types; public: + typedef std::map<std::string, reference<ExtensionItem> > ExtMap; + bool Register(ExtensionItem* item); void BeginUnregister(Module* module, std::vector<reference<ExtensionItem> >& list); ExtensionItem* GetItem(const std::string& name); + + /** Get all registered extensions keyed by their names + * @return Const map of ExtensionItem pointers keyed by their names + */ + const ExtMap& GetExts() const { return types; } + + private: + ExtMap types; }; /** Base class for items that are NOT synchronized between servers */ @@ -196,6 +205,7 @@ class CoreExport LocalStringExt : public SimpleExtItem<std::string> LocalStringExt(const std::string& key, ExtensibleType exttype, Module* owner); virtual ~LocalStringExt(); std::string serialize(SerializeFormat format, const Extensible* container, void* item) const; + void unserialize(SerializeFormat format, Extensible* container, const std::string& value); }; class CoreExport LocalIntExt : public LocalExtItem @@ -204,6 +214,7 @@ class CoreExport LocalIntExt : public LocalExtItem LocalIntExt(const std::string& key, ExtensibleType exttype, Module* owner); virtual ~LocalIntExt(); std::string serialize(SerializeFormat format, const Extensible* container, void* item) const; + void unserialize(SerializeFormat format, Extensible* container, const std::string& value); intptr_t get(const Extensible* container) const; intptr_t set(Extensible* container, intptr_t value); void unset(Extensible* container) { set(container, 0); } diff --git a/include/modules.h b/include/modules.h index 378aec1ee..93e5c05a0 100644 --- a/include/modules.h +++ b/include/modules.h @@ -1035,9 +1035,6 @@ class CoreExport ModuleManager : public fakederef<ModuleManager> PRIO_STATE_LAST } prioritizationState; - /** Internal unload module hook */ - bool CanUnload(Module*); - /** Loads all core modules (cmd_*) */ void LoadCoreModules(std::map<std::string, ServiceList>& servicemap); @@ -1165,18 +1162,19 @@ class CoreExport ModuleManager : public fakederef<ModuleManager> */ bool Unload(Module* module); - /** Run an asynchronous reload of the given module. When the reload is - * complete, the callback will be run with true if the reload succeeded - * and false if it did not. - */ - void Reload(Module* module, HandlerBase1<void, bool>* callback); - /** Called by the InspIRCd constructor to load all modules from the config file. */ void LoadAll(); void UnloadAll(); void DoSafeUnload(Module*); + /** Check if a module can be unloaded and if yes, prepare it for unload + * @param mod Module to be unloaded + * @return True if the module is unloadable, false otherwise. + * If true the module must be unloaded in the current main loop iteration. + */ + bool CanUnload(Module* mod); + /** Find a module by name, and return a Module* to it. * This is preferred over iterating the module lists yourself. * @param name The module name to look up diff --git a/include/modules/reload.h b/include/modules/reload.h new file mode 100644 index 000000000..dcdbc95e9 --- /dev/null +++ b/include/modules/reload.h @@ -0,0 +1,80 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2015 Attila Molnar <attilamolnar@hush.com> + * + * This file is part of InspIRCd. InspIRCd is free software: you can + * redistribute it and/or modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + + +#pragma once + +#include "event.h" + +namespace ReloadModule +{ + class EventListener; + class DataKeeper; + + /** Container for data saved by modules before another module is reloaded. + */ + class CustomData + { + struct Data + { + EventListener* handler; + void* data; + Data(EventListener* Handler, void* moddata) : handler(Handler), data(moddata) { } + }; + typedef std::vector<Data> List; + List list; + + public: + /** Add data to the saved state of a module. + * The provided handler's OnReloadModuleRestore() method will be called when the reload is done with the pointer + * provided. + * @param handler Handler for restoring the data + * @param data Pointer to the data, will be passed back to the provided handler's OnReloadModuleRestore() after the + * reload finishes + */ + void add(EventListener* handler, void* data) + { + list.push_back(Data(handler, data)); + } + + friend class DataKeeper; + }; + + class EventListener : public Events::ModuleEventListener + { + public: + EventListener(Module* mod) + : ModuleEventListener(mod, "event/reloadmodule") + { + } + + /** Called whenever a module is about to be reloaded. Use this event to save data related to the module that you want + * to be restored after the reload. + * @param mod Module to be reloaded + * @param cd CustomData instance that can store your data once. + */ + virtual void OnReloadModuleSave(Module* mod, CustomData& cd) = 0; + + /** Restore data after a reload. Only called if data was added in OnReloadModuleSave(). + * @param mod Reloaded module, if NULL the reload failed and the module no longer exists + * @param data Pointer that was passed to CustomData::add() in OnReloadModuleSave() at the time when the module's state + * was saved + */ + virtual void OnReloadModuleRestore(Module* mod, void* data) = 0; + }; +} diff --git a/src/base.cpp b/src/base.cpp index 4111451f8..0ff3fbe4c 100644 --- a/src/base.cpp +++ b/src/base.cpp @@ -157,10 +157,10 @@ bool ExtensionManager::Register(ExtensionItem* item) void ExtensionManager::BeginUnregister(Module* module, std::vector<reference<ExtensionItem> >& list) { - std::map<std::string, reference<ExtensionItem> >::iterator i = types.begin(); + ExtMap::iterator i = types.begin(); while (i != types.end()) { - std::map<std::string, reference<ExtensionItem> >::iterator me = i++; + ExtMap::iterator me = i++; ExtensionItem* item = me->second; if (item->creator == module) { @@ -172,7 +172,7 @@ void ExtensionManager::BeginUnregister(Module* module, std::vector<reference<Ext ExtensionItem* ExtensionManager::GetItem(const std::string& name) { - std::map<std::string, reference<ExtensionItem> >::iterator i = types.find(name); + ExtMap::iterator i = types.find(name); if (i == types.end()) return NULL; return i->second; @@ -248,11 +248,17 @@ LocalStringExt::~LocalStringExt() std::string LocalStringExt::serialize(SerializeFormat format, const Extensible* container, void* item) const { - if (item && format == FORMAT_USER) + if ((item) && (format != FORMAT_NETWORK)) return *static_cast<std::string*>(item); return ""; } +void LocalStringExt::unserialize(SerializeFormat format, Extensible* container, const std::string& value) +{ + if (format != FORMAT_NETWORK) + set(container, value); +} + LocalIntExt::LocalIntExt(const std::string& Key, ExtensibleType exttype, Module* mod) : LocalExtItem(Key, exttype, mod) { @@ -264,11 +270,17 @@ LocalIntExt::~LocalIntExt() std::string LocalIntExt::serialize(SerializeFormat format, const Extensible* container, void* item) const { - if (format != FORMAT_USER) + if (format == FORMAT_NETWORK) return ""; return ConvToStr(reinterpret_cast<intptr_t>(item)); } +void LocalIntExt::unserialize(SerializeFormat format, Extensible* container, const std::string& value) +{ + if (format != FORMAT_NETWORK) + set(container, ConvToInt(value)); +} + intptr_t LocalIntExt::get(const Extensible* container) const { return reinterpret_cast<intptr_t>(get_raw(container)); diff --git a/src/coremods/core_reloadmodule.cpp b/src/coremods/core_reloadmodule.cpp index 7f0f15e77..0d01d9e85 100644 --- a/src/coremods/core_reloadmodule.cpp +++ b/src/coremods/core_reloadmodule.cpp @@ -1,6 +1,7 @@ /* * InspIRCd -- Internet Relay Chat Daemon * + * Copyright (C) 2015 Attila Molnar <attilamolnar@hush.com> * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> * Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net> * @@ -19,13 +20,26 @@ #include "inspircd.h" +#include "listmode.h" +#include "modules/reload.h" + +static Events::ModuleEventProvider* reloadevprov; class CommandReloadmodule : public Command { + Events::ModuleEventProvider evprov; public: /** Constructor for reloadmodule. */ - CommandReloadmodule ( Module* parent) : Command( parent, "RELOADMODULE",1) { flags_needed = 'o'; syntax = "<modulename>"; } + CommandReloadmodule(Module* parent) + : Command(parent, "RELOADMODULE", 1) + , evprov(parent, "event/reloadmodule") + { + reloadevprov = &evprov; + flags_needed = 'o'; + syntax = "<modulename>"; + } + /** Handle command. * @param parameters The parameters to the command * @param user The user issuing the command @@ -34,21 +48,561 @@ class CommandReloadmodule : public Command CmdResult Handle(const std::vector<std::string>& parameters, User *user); }; -class ReloadModuleWorker : public HandlerBase1<void, bool> +namespace ReloadModule +{ + +class DataKeeper +{ + /** Data we save for each mode and extension provided by the module + */ + struct ProviderInfo + { + std::string itemname; + union + { + ModeHandler* mh; + ExtensionItem* extitem; + }; + + ProviderInfo(ModeHandler* mode) + : itemname(mode->name) + , mh(mode) + { + } + + ProviderInfo(ExtensionItem* ei) + : itemname(ei->name) + , extitem(ei) + { + } + }; + + struct InstanceData + { + /** Position of the ModeHandler or ExtensionItem that the serialized data belongs to + */ + size_t index; + + /** Serialized data + */ + std::string serialized; + + InstanceData(size_t Index, const std::string& Serialized) + : index(Index) + , serialized(Serialized) + { + } + }; + + struct ModesExts + { + /** Mode data for the object, one entry per mode set by the module being reloaded + */ + std::vector<InstanceData> modelist; + + /** Extensions for the object, one entry per extension set by the module being reloaded + */ + std::vector<InstanceData> extlist; + + bool empty() const { return ((modelist.empty()) && (extlist.empty())); } + + void swap(ModesExts& other) + { + modelist.swap(other.modelist); + extlist.swap(other.extlist); + } + }; + + struct OwnedModesExts : public ModesExts + { + /** User uuid or channel name + */ + std::string owner; + + OwnedModesExts(const std::string& Owner) + : owner(Owner) + { + } + }; + + // Data saved for each channel + struct ChanData : public OwnedModesExts + { + /** Type of data stored for each member who has any affected modes or extensions set + */ + typedef OwnedModesExts MemberData; + + /** List of data (modes and extensions) about each member + */ + std::vector<MemberData> memberdatalist; + + ChanData(Channel* chan) + : OwnedModesExts(chan->name) + { + } + }; + + // Data saved for each user + typedef OwnedModesExts UserData; + + /** Module being reloaded + */ + Module* mod; + + /** Stores all user and channel modes provided by the module + */ + std::vector<ProviderInfo> handledmodes[2]; + + /** Stores all extensions provided by the module + */ + std::vector<ProviderInfo> handledexts; + + /** Stores all of the module data related to users + */ + std::vector<UserData> userdatalist; + + /** Stores all of the module data related to channels and memberships + */ + std::vector<ChanData> chandatalist; + + /** Data attached by modules + */ + ReloadModule::CustomData moddata; + + void SaveExtensions(Extensible* extensible, std::vector<InstanceData>& extdatalist); + void SaveMemberData(Channel* chan, std::vector<ChanData::MemberData>& memberdatalist); + static void SaveListModes(Channel* chan, ListModeBase* lm, size_t index, ModesExts& currdata); + + void CreateModeList(ModeType modetype); + void DoSaveUsers(); + void DoSaveChans(); + + /** Link previously saved extension names to currently available ExtensionItems + */ + void LinkExtensions(); + + /** Link previously saved mode names to currently available ModeHandlers + * @param modetype Type of the modes to look for + */ + void LinkModes(ModeType modetype); + + void DoRestoreUsers(); + void DoRestoreChans(); + void DoRestoreModules(); + + /** Restore previously saved modes and extensions on an Extensible. + * The extensions are set directly on the extensible, the modes are added into the provided mode change list. + * @param data Data to unserialize from + * @param extensible Object to restore + * @param modetype MODETYPE_USER if the object being restored is a User, MODETYPE_CHANNEL otherwise + * (for Channels and Memberships). + * @param modechange Mode change to populate with the modes + */ + void RestoreObj(const OwnedModesExts& data, Extensible* extensible, ModeType modetype, Modes::ChangeList& modechange); + + /** Restore all previously saved extensions on an Extensible + * @param list List of extensions and their serialized data to restore + * @param extensible Target Extensible + */ + void RestoreExtensions(const std::vector<InstanceData>& list, Extensible* extensible); + + /** Restore all previously saved modes on a User, Channel or Membership + * @param list List of modes to restore + * @param modetype MODETYPE_USER if the object being restored is a User, MODETYPE_CHANNEL otherwise + * @param modechange Mode change to populate with the modes + */ + void RestoreModes(const std::vector<InstanceData>& list, ModeType modetype, Modes::ChangeList& modechange); + + /** Restore all modes and extensions of all members on a channel + * @param chan Channel whose members are being restored + * @param memberdata Data to restore + * @param modechange Mode change to populate with prefix modes + */ + void RestoreMemberData(Channel* chan, const std::vector<ChanData::MemberData>& memberdatalist, Modes::ChangeList& modechange); + + /** Verify that a service which had its data saved is available and owned by the module that owned it previously + * @param service Service descriptor + * @param type Human-readable type of the service for log messages + */ + void VerifyServiceProvider(const ProviderInfo& service, const char* type); + + public: + /** Save module state + * @param currmod Module whose data to save + */ + void Save(Module* currmod); + + /** Restore module state + * @param newmod Newly loaded instance of the module which had its data saved + */ + void Restore(Module* newmod); + + /** Handle reload failure + */ + void Fail(); +}; + +void DataKeeper::DoSaveUsers() +{ + ModesExts currdata; + + const user_hash& users = ServerInstance->Users->GetUsers(); + for (user_hash::const_iterator i = users.begin(); i != users.end(); ++i) + { + User* const user = i->second; + + // Serialize user modes + for (size_t j = 0; j < handledmodes[MODETYPE_USER].size(); j++) + { + ModeHandler* mh = handledmodes[MODETYPE_USER][j].mh; + if (user->IsModeSet(mh)) + currdata.modelist.push_back(InstanceData(j, mh->GetUserParameter(user))); + } + + // Serialize all extensions attached to the User + SaveExtensions(user, currdata.extlist); + + // Add to list if the user has any modes or extensions set that we are interested in, otherwise we don't + // have to do anything with this user when restoring + if (!currdata.empty()) + { + userdatalist.push_back(UserData(user->uuid)); + userdatalist.back().swap(currdata); + } + } +} + +void DataKeeper::SaveExtensions(Extensible* extensible, std::vector<InstanceData>& extdata) +{ + const Extensible::ExtensibleStore& setexts = extensible->GetExtList(); + + // Position of the extension saved in the handledexts list + size_t index = 0; + for (std::vector<ProviderInfo>::const_iterator i = handledexts.begin(); i != handledexts.end(); ++i, index++) + { + ExtensionItem* const item = i->extitem; + Extensible::ExtensibleStore::const_iterator it = setexts.find(item); + if (it == setexts.end()) + continue; + + std::string value = item->serialize(FORMAT_INTERNAL, extensible, it->second); + // If the serialized value is empty the extension won't be saved and restored + if (!value.empty()) + extdata.push_back(InstanceData(index, value)); + } +} + +void DataKeeper::SaveListModes(Channel* chan, ListModeBase* lm, size_t index, ModesExts& currdata) +{ + const ListModeBase::ModeList* list = lm->GetList(chan); + if (!list) + return; + + for (ListModeBase::ModeList::const_iterator i = list->begin(); i != list->end(); ++i) + { + const ListModeBase::ListItem& listitem = *i; + currdata.modelist.push_back(InstanceData(index, listitem.mask)); + } +} + +void DataKeeper::DoSaveChans() +{ + ModesExts currdata; + std::vector<OwnedModesExts> currmemberdata; + + const chan_hash& chans = ServerInstance->GetChans(); + for (chan_hash::const_iterator i = chans.begin(); i != chans.end(); ++i) + { + Channel* const chan = i->second; + + // Serialize channel modes + for (size_t j = 0; j < handledmodes[MODETYPE_CHANNEL].size(); j++) + { + ModeHandler* mh = handledmodes[MODETYPE_CHANNEL][j].mh; + ListModeBase* lm = mh->IsListModeBase(); + if (lm) + SaveListModes(chan, lm, j, currdata); + else if (chan->IsModeSet(mh)) + currdata.modelist.push_back(InstanceData(j, chan->GetModeParameter(mh))); + } + + // Serialize all extensions attached to the Channel + SaveExtensions(chan, currdata.extlist); + + // Serialize all extensions attached to and all modes set on all members of the channel + SaveMemberData(chan, currmemberdata); + + // Same logic as in DoSaveUsers() plus we consider the modes and extensions of all members + if ((!currdata.empty()) || (!currmemberdata.empty())) + { + chandatalist.push_back(ChanData(chan)); + chandatalist.back().swap(currdata); + chandatalist.back().memberdatalist.swap(currmemberdata); + } + } +} + +void DataKeeper::SaveMemberData(Channel* chan, std::vector<OwnedModesExts>& memberdatalist) { + ModesExts currdata; + const Channel::MemberMap& users = chan->GetUsers(); + for (Channel::MemberMap::const_iterator i = users.begin(); i != users.end(); ++i) + { + Membership* const memb = i->second; + + for (size_t j = 0; j < handledmodes[MODETYPE_CHANNEL].size(); j++) + { + ModeHandler* mh = handledmodes[MODETYPE_CHANNEL][j].mh; + if ((mh->IsPrefixMode()) && (memb->hasMode(mh->GetModeChar()))) + currdata.modelist.push_back(InstanceData(j, memb->user->uuid)); // Need to pass the user's uuid to the mode parser to set the mode later + } + + SaveExtensions(memb, currdata.extlist); + + // Same logic as in DoSaveUsers() + if (!currdata.empty()) + { + memberdatalist.push_back(OwnedModesExts(memb->user->uuid)); + memberdatalist.back().swap(currdata); + } + } +} + +void DataKeeper::RestoreMemberData(Channel* chan, const std::vector<ChanData::MemberData>& memberdatalist, Modes::ChangeList& modechange) +{ + for (std::vector<ChanData::MemberData>::const_iterator i = memberdatalist.begin(); i != memberdatalist.end(); ++i) + { + const ChanData::MemberData& md = *i; + User* const user = ServerInstance->FindUUID(md.owner); + if (!user) + { + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "User %s is gone (while processing %s)", md.owner.c_str(), chan->name.c_str()); + continue; + } + + Membership* const memb = chan->GetUser(user); + if (!memb) + { + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Member %s is no longer on channel %s", md.owner.c_str(), chan->name.c_str()); + continue; + } + + RestoreObj(md, memb, MODETYPE_CHANNEL, modechange); + } +} + +void DataKeeper::CreateModeList(ModeType modetype) +{ + const ModeParser::ModeHandlerMap& modes = ServerInstance->Modes->GetModes(modetype); + for (ModeParser::ModeHandlerMap::const_iterator i = modes.begin(); i != modes.end(); ++i) + { + ModeHandler* mh = i->second; + if (mh->creator == mod) + handledmodes[modetype].push_back(ProviderInfo(mh)); + } +} + +void DataKeeper::Save(Module* currmod) +{ + this->mod = currmod; + + const ExtensionManager::ExtMap& allexts = ServerInstance->Extensions.GetExts(); + for (ExtensionManager::ExtMap::const_iterator i = allexts.begin(); i != allexts.end(); ++i) + { + ExtensionItem* ext = i->second; + if (ext->creator == mod) + handledexts.push_back(ProviderInfo(ext)); + } + + CreateModeList(MODETYPE_USER); + DoSaveUsers(); + + CreateModeList(MODETYPE_CHANNEL); + DoSaveChans(); + + FOREACH_MOD_CUSTOM(*reloadevprov, ReloadModule::EventListener, OnReloadModuleSave, (mod, this->moddata)); + + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Saved data about %lu users %lu chans %lu modules", (unsigned long)userdatalist.size(), (unsigned long)chandatalist.size(), (unsigned long)moddata.list.size()); +} + +void DataKeeper::VerifyServiceProvider(const ProviderInfo& service, const char* type) +{ + const ServiceProvider* sp = service.extitem; + if (!sp) + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "%s \"%s\" is no longer available", type, service.itemname.c_str()); + else if (sp->creator != mod) + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "%s \"%s\" is now handled by %s", type, service.itemname.c_str(), (sp->creator ? sp->creator->ModuleSourceFile.c_str() : "<core>")); +} + +void DataKeeper::LinkModes(ModeType modetype) +{ + std::vector<ProviderInfo>& list = handledmodes[modetype]; + for (std::vector<ProviderInfo>::iterator i = list.begin(); i != list.end(); ++i) + { + ProviderInfo& item = *i; + item.mh = ServerInstance->Modes->FindMode(item.itemname, modetype); + VerifyServiceProvider(item, (modetype == MODETYPE_USER ? "User mode" : "Channel mode")); + } +} + +void DataKeeper::LinkExtensions() +{ + for (std::vector<ProviderInfo>::iterator i = handledexts.begin(); i != handledexts.end(); ++i) + { + ProviderInfo& item = *i; + item.extitem = ServerInstance->Extensions.GetItem(item.itemname); + VerifyServiceProvider(item.extitem, "Extension"); + } +} + +void DataKeeper::Restore(Module* newmod) +{ + this->mod = newmod; + + // Find the new extension items + LinkExtensions(); + LinkModes(MODETYPE_USER); + LinkModes(MODETYPE_CHANNEL); + + // Restore + DoRestoreUsers(); + DoRestoreChans(); + DoRestoreModules(); + + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Restore finished"); +} + +void DataKeeper::Fail() +{ + this->mod = NULL; + + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Restore failed, notifying modules"); + DoRestoreModules(); +} + +void DataKeeper::RestoreObj(const OwnedModesExts& data, Extensible* extensible, ModeType modetype, Modes::ChangeList& modechange) +{ + RestoreExtensions(data.extlist, extensible); + RestoreModes(data.modelist, modetype, modechange); +} + +void DataKeeper::RestoreExtensions(const std::vector<InstanceData>& list, Extensible* extensible) +{ + for (std::vector<InstanceData>::const_iterator i = list.begin(); i != list.end(); ++i) + { + const InstanceData& id = *i; + handledexts[id.index].extitem->unserialize(FORMAT_INTERNAL, extensible, id.serialized); + } +} + +void DataKeeper::RestoreModes(const std::vector<InstanceData>& list, ModeType modetype, Modes::ChangeList& modechange) +{ + for (std::vector<InstanceData>::const_iterator i = list.begin(); i != list.end(); ++i) + { + const InstanceData& id = *i; + modechange.push_add(handledmodes[modetype][id.index].mh, id.serialized); + } +} + +void DataKeeper::DoRestoreUsers() +{ + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Restoring user data"); + Modes::ChangeList modechange; + + for (std::vector<UserData>::const_iterator i = userdatalist.begin(); i != userdatalist.end(); ++i) + { + const UserData& userdata = *i; + User* const user = ServerInstance->FindUUID(userdata.owner); + if (!user) + { + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "User %s is gone", userdata.owner.c_str()); + continue; + } + + RestoreObj(userdata, user, MODETYPE_USER, modechange); + ServerInstance->Modes.Process(ServerInstance->FakeClient, NULL, user, modechange, ModeParser::MODE_LOCALONLY); + modechange.clear(); + } +} + +void DataKeeper::DoRestoreChans() +{ + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Restoring channel data"); + Modes::ChangeList modechange; + + for (std::vector<ChanData>::const_iterator i = chandatalist.begin(); i != chandatalist.end(); ++i) + { + const ChanData& chandata = *i; + Channel* const chan = ServerInstance->FindChan(chandata.owner); + if (!chan) + { + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Channel %s not found", chandata.owner.c_str()); + continue; + } + + RestoreObj(chandata, chan, MODETYPE_CHANNEL, modechange); + // Process the mode change before applying any prefix modes + ServerInstance->Modes.Process(ServerInstance->FakeClient, chan, NULL, modechange, ModeParser::MODE_LOCALONLY); + modechange.clear(); + + // Restore all member data + RestoreMemberData(chan, chandata.memberdatalist, modechange); + ServerInstance->Modes.Process(ServerInstance->FakeClient, chan, NULL, modechange, ModeParser::MODE_LOCALONLY); + modechange.clear(); + } +} + +void DataKeeper::DoRestoreModules() +{ + for (ReloadModule::CustomData::List::iterator i = moddata.list.begin(); i != moddata.list.end(); ++i) + { + ReloadModule::CustomData::Data& data = *i; + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Calling module data handler %p", (void*)data.handler); + data.handler->OnReloadModuleRestore(mod, data.data); + } +} + +} // namespace ReloadModule + +class ReloadAction : public HandlerBase0<void> +{ + Module* const mod; + const std::string uuid; + const std::string passedname; + public: - const std::string name; - const std::string uid; - ReloadModuleWorker(const std::string& uuid, const std::string& modn) - : name(modn), uid(uuid) {} - void Call(bool result) - { - ServerInstance->SNO->WriteGlobalSno('a', "RELOAD MODULE: %s %ssuccessfully reloaded", - name.c_str(), result ? "" : "un"); - User* user = ServerInstance->FindNick(uid); + ReloadAction(Module* m, const std::string& uid, const std::string& passedmodname) + : mod(m) + , uuid(uid) + , passedname(passedmodname) + { + } + + void Call() + { + ReloadModule::DataKeeper datakeeper; + datakeeper.Save(mod); + + DLLManager* dll = mod->ModuleDLLManager; + std::string name = mod->ModuleSourceFile; + ServerInstance->Modules->DoSafeUnload(mod); + ServerInstance->GlobalCulls.Apply(); + delete dll; + bool result = ServerInstance->Modules->Load(name); + + if (result) + { + Module* newmod = ServerInstance->Modules->Find(name); + datakeeper.Restore(newmod); + } + else + datakeeper.Fail(); + + ServerInstance->SNO->WriteGlobalSno('a', "RELOAD MODULE: %s %ssuccessfully reloaded", passedname.c_str(), result ? "" : "un"); + User* user = ServerInstance->FindUUID(uuid); if (user) - user->WriteNumeric(RPL_LOADEDMODULE, "%s :Module %ssuccessfully reloaded.", - name.c_str(), result ? "" : "un"); + user->WriteNumeric(RPL_LOADEDMODULE, "%s :Module %ssuccessfully reloaded.", passedname.c_str(), result ? "" : "un"); + ServerInstance->GlobalCulls.AddItem(this); } }; @@ -63,9 +617,12 @@ CmdResult CommandReloadmodule::Handle (const std::vector<std::string>& parameter return CMD_FAILURE; } - if (m) + if (creator->dying) + return CMD_FAILURE; + + if ((m) && (ServerInstance->Modules.CanUnload(m))) { - ServerInstance->Modules->Reload(m, (creator->dying ? NULL : new ReloadModuleWorker(user->uuid, parameters[0]))); + ServerInstance->AtomicActions.AddAction(new ReloadAction(m, user->uuid, parameters[0])); return CMD_SUCCESS; } else diff --git a/src/coremods/core_whowas.cpp b/src/coremods/core_whowas.cpp index d73fdf491..79ce94cc9 100644 --- a/src/coremods/core_whowas.cpp +++ b/src/coremods/core_whowas.cpp @@ -47,23 +47,18 @@ CmdResult CommandWhowas::Handle (const std::vector<std::string>& parameters, Use else { const WhoWas::Nick::List& list = nick->entries; - if (!list.empty()) + for (WhoWas::Nick::List::const_iterator i = list.begin(); i != list.end(); ++i) { - for (WhoWas::Nick::List::const_iterator i = list.begin(); i != list.end(); ++i) - { - WhoWas::Entry* u = *i; + WhoWas::Entry* u = *i; - user->WriteNumeric(RPL_WHOWASUSER, "%s %s %s * :%s", parameters[0].c_str(), - u->ident.c_str(),u->dhost.c_str(),u->gecos.c_str()); + user->WriteNumeric(RPL_WHOWASUSER, "%s %s %s * :%s", parameters[0].c_str(), u->ident.c_str(),u->dhost.c_str(),u->gecos.c_str()); - if (user->HasPrivPermission("users/auspex")) - user->WriteNumeric(RPL_WHOWASIP, "%s :was connecting from *@%s", - parameters[0].c_str(), u->host.c_str()); + if (user->HasPrivPermission("users/auspex")) + user->WriteNumeric(RPL_WHOWASIP, "%s :was connecting from *@%s", parameters[0].c_str(), u->host.c_str()); - std::string signon = InspIRCd::TimeString(u->signon); - bool hide_server = (!ServerInstance->Config->HideWhoisServer.empty() && !user->HasPrivPermission("servers/auspex")); - user->WriteNumeric(RPL_WHOISSERVER, "%s %s :%s", parameters[0].c_str(), (hide_server ? ServerInstance->Config->HideWhoisServer.c_str() : u->server.c_str()), signon.c_str()); - } + std::string signon = InspIRCd::TimeString(u->signon); + bool hide_server = (!ServerInstance->Config->HideWhoisServer.empty() && !user->HasPrivPermission("servers/auspex")); + user->WriteNumeric(RPL_WHOISSERVER, "%s %s :%s", parameters[0].c_str(), (hide_server ? ServerInstance->Config->HideWhoisServer.c_str() : u->server.c_str()), signon.c_str()); } } @@ -81,11 +76,7 @@ const WhoWas::Nick* WhoWas::Manager::FindNick(const std::string& nickname) const whowas_users::const_iterator it = whowas.find(nickname); if (it == whowas.end()) return NULL; - - const Nick* nick = it->second; - if (nick->entries.empty()) - return NULL; - return nick; + return it->second; } WhoWas::Manager::Stats WhoWas::Manager::GetStats() const @@ -124,10 +115,7 @@ void WhoWas::Manager::Add(User* user) if (whowas.size() > this->MaxGroups) { // Too many nicks, remove the nick which was inserted the longest time ago from both the map and the fifo - nick = whowas_fifo.front(); - whowas_fifo.pop_front(); - whowas.erase(nick->nick); - delete nick; + PurgeNick(whowas_fifo.front()); } } else @@ -155,24 +143,13 @@ void WhoWas::Manager::Prune() { WhoWas::Nick* nick = whowas_fifo.front(); if ((whowas_fifo.size() > this->MaxGroups) || (nick->addtime < min)) - { - /* hopefully redundant integrity check, but added while debugging r6216 */ - if (!whowas.erase(nick->nick)) - { - /* this should never happen, if it does maps are corrupt */ - ServerInstance->Logs->Log("WHOWAS", LOG_DEFAULT, "BUG: Whowas maps got corrupted! (1)"); - return; - } - - whowas_fifo.pop_front(); - delete nick; - } + PurgeNick(nick); else break; } /* Then cut the whowas sets to new size (groupsize) */ - for (whowas_users::iterator i = whowas.begin(); i != whowas.end(); ++i) + for (whowas_users::iterator i = whowas.begin(); i != whowas.end(); ) { WhoWas::Nick::List& list = i->second->entries; while (list.size() > this->GroupSize) @@ -180,6 +157,11 @@ void WhoWas::Manager::Prune() delete list.front(); list.pop_front(); } + + if (list.empty()) + PurgeNick(i++); + else + ++i; } } @@ -187,7 +169,7 @@ void WhoWas::Manager::Prune() void WhoWas::Manager::Maintain() { time_t min = ServerInstance->Time() - this->MaxKeep; - for (whowas_users::iterator i = whowas.begin(); i != whowas.end(); ++i) + for (whowas_users::iterator i = whowas.begin(); i != whowas.end(); ) { WhoWas::Nick::List& list = i->second->entries; while (!list.empty() && list.front()->signon < min) @@ -195,6 +177,11 @@ void WhoWas::Manager::Maintain() delete list.front(); list.pop_front(); } + + if (list.empty()) + PurgeNick(i++); + else + ++i; } } @@ -223,6 +210,25 @@ void WhoWas::Manager::UpdateConfig(unsigned int NewGroupSize, unsigned int NewMa Prune(); } +void WhoWas::Manager::PurgeNick(whowas_users::iterator it) +{ + WhoWas::Nick* nick = it->second; + whowas_fifo.erase(nick); + whowas.erase(it); + delete nick; +} + +void WhoWas::Manager::PurgeNick(WhoWas::Nick* nick) +{ + whowas_users::iterator it = whowas.find(nick->nick); + if (it == whowas.end()) + { + ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "ERROR: Inconsistency detected in whowas database, please report"); + return; + } + PurgeNick(it); +} + WhoWas::Entry::Entry(User* user) : host(user->host) , dhost(user->dhost) diff --git a/src/modules.cpp b/src/modules.cpp index ca13dad73..d77221c39 100644 --- a/src/modules.cpp +++ b/src/modules.cpp @@ -451,26 +451,6 @@ namespace ServerInstance->GlobalCulls.AddItem(this); } }; - - struct ReloadAction : public HandlerBase0<void> - { - Module* const mod; - HandlerBase1<void, bool>* const callback; - ReloadAction(Module* m, HandlerBase1<void, bool>* 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) @@ -481,14 +461,6 @@ bool ModuleManager::Unload(Module* mod) return true; } -void ModuleManager::Reload(Module* mod, HandlerBase1<void, bool>* callback) -{ - if (CanUnload(mod)) - ServerInstance->AtomicActions.AddAction(new ReloadAction(mod, callback)); - else if (callback) - callback->Call(false); -} - void ModuleManager::LoadAll() { std::map<std::string, ServiceList> servicemap; diff --git a/src/modules/m_globalload.cpp b/src/modules/m_globalload.cpp index a3f3242f0..294187fa5 100644 --- a/src/modules/m_globalload.cpp +++ b/src/modules/m_globalload.cpp @@ -116,25 +116,6 @@ class CommandGunloadmodule : public Command } }; -class GReloadModuleWorker : public HandlerBase1<void, bool> -{ - public: - const std::string nick; - const std::string name; - const std::string uid; - GReloadModuleWorker(const std::string& usernick, const std::string& uuid, const std::string& modn) - : nick(usernick), name(modn), uid(uuid) {} - void Call(bool result) - { - ServerInstance->SNO->WriteToSnoMask('a', "MODULE '%s' GLOBALLY RELOADED BY '%s'%s", name.c_str(), nick.c_str(), result ? "" : " (failed here)"); - User* user = ServerInstance->FindNick(uid); - if (user) - user->WriteNumeric(RPL_LOADEDMODULE, "%s :Module %ssuccessfully reloaded.", - name.c_str(), result ? "" : "un"); - ServerInstance->GlobalCulls.AddItem(this); - } -}; - /** Handle /GRELOADMODULE */ class CommandGreloadmodule : public Command @@ -154,10 +135,8 @@ class CommandGreloadmodule : public Command Module* m = ServerInstance->Modules->Find(parameters[0]); if (m) { - GReloadModuleWorker* worker = NULL; - if ((m != creator) && (!creator->dying)) - worker = new GReloadModuleWorker(user->nick, user->uuid, parameters[0]); - ServerInstance->Modules->Reload(m, worker); + ServerInstance->SNO->WriteToSnoMask('a', "MODULE '%s' GLOBALLY RELOADED BY '%s'", parameters[0].c_str(), user->nick.c_str()); + ServerInstance->Parser.CallHandler("RELOADMODULE", parameters, user); } else { diff --git a/src/modules/m_services_account.cpp b/src/modules/m_services_account.cpp index a11b05ca3..48ab511f0 100644 --- a/src/modules/m_services_account.cpp +++ b/src/modules/m_services_account.cpp @@ -118,6 +118,11 @@ class AccountExtItemImpl : public AccountExtItem User* user = static_cast<User*>(container); StringExtItem::unserialize(format, container, value); + + // If we are being reloaded then don't send the numeric or run the event + if (format == FORMAT_INTERNAL) + return; + if (!value.empty()) { // Logged in |