diff options
-rw-r--r-- | include/commands/cmd_whowas.h | 113 | ||||
-rw-r--r-- | src/coremods/core_whowas.cpp | 76 |
2 files changed, 128 insertions, 61 deletions
diff --git a/include/commands/cmd_whowas.h b/include/commands/cmd_whowas.h index 798c48ee5..f9b232281 100644 --- a/include/commands/cmd_whowas.h +++ b/include/commands/cmd_whowas.h @@ -57,14 +57,86 @@ namespace WhoWas ~Nick(); }; - /** Order in which the users were added into the map, used to remove oldest nick - */ - typedef intrusive_list_tail<Nick> FIFO; -} + class Manager + { + public: + /** Add a user to the whowas database. Called when a user quits. + * @param user The user to add to the database + */ + void Add(User* user); -/** Sets of users in the whowas system - */ -typedef TR1NS::unordered_map<std::string, WhoWas::Nick*, irc::insensitive, irc::StrHashComp> whowas_users; + /** Retrieves statistics about the whowas database + * @return Whowas statistics + */ + std::string GetStats() const; + + /** Expires old entries + */ + void Maintain(); + + /** Updates the current configuration which may result in the database being pruned if the + * new values are lower than the current ones. + * @param NewGroupSize Maximum number of nicks allowed in the database. In case there are this many nicks + * in the database and one more is added, the oldest one is removed (FIFO). + * @param NewMaxGroups Maximum number of entries per nick + * @param NewMaxKeep Seconds how long each nick should be kept + */ + void UpdateConfig(unsigned int NewGroupSize, unsigned int NewMaxGroups, unsigned int NewMaxKeep); + + /** Retrieves all data known about a given nick + * @param nick Nickname to find, case insensitive (IRC casemapping) + * @return A pointer to a WhoWas::Nick if the nick was found, NULL otherwise + */ + const Nick* FindNick(const std::string& nick) const; + + /** Returns true if WHOWAS is enabled according to the current configuration + * @return True if WHOWAS is enabled according to the configuration, false if WHOWAS is disabled + */ + bool IsEnabled() const; + + /** Constructor + */ + Manager(); + + /** Destructor + */ + ~Manager(); + + private: + /** Order in which the users were added into the map, used to remove oldest nick + */ + typedef intrusive_list_tail<Nick> FIFO; + + /** Sets of users in the whowas system + */ + typedef TR1NS::unordered_map<std::string, WhoWas::Nick*, irc::insensitive, irc::StrHashComp> whowas_users; + + /** Primary container, links nicknames tracked by WHOWAS to a list of records + */ + whowas_users whowas; + + /** List of nicknames in the order they were inserted into the map + */ + FIFO whowas_fifo; + + /** Max number of WhoWas entries per user. + */ + unsigned int GroupSize; + + /** Max number of cumulative user-entries in WhoWas. + * When max reached and added to, push out oldest entry FIFO style. + */ + unsigned int MaxGroups; + + /** Max seconds a user is kept in WhoWas before being pruned. + */ + unsigned int MaxKeep; + + /** Shrink all data structures to honor the current settings + */ + void Prune(); + }; +} /** Handle /WHOWAS. These command handlers can be reloaded by the core, * and handle basic RFC1459 commands. Commands within modules work @@ -73,28 +145,10 @@ typedef TR1NS::unordered_map<std::string, WhoWas::Nick*, irc::insensitive, irc:: */ class CommandWhowas : public Command { - private: - /** Primary container, links nicknames tracked by WHOWAS to a list of records - */ - whowas_users whowas; - - /** List of nicknames in the order they were inserted into the map - */ - WhoWas::FIFO whowas_fifo; - public: - /** Max number of WhoWas entries per user. - */ - unsigned int GroupSize; - - /** Max number of cumulative user-entries in WhoWas. - * When max reached and added to, push out oldest entry FIFO style. - */ - unsigned int MaxGroups; - - /** Max seconds a user is kept in WhoWas before being pruned. + /** Manager handling all whowas database related tasks */ - unsigned int MaxKeep; + WhoWas::Manager manager; CommandWhowas(Module* parent); /** Handle command. @@ -104,11 +158,6 @@ class CommandWhowas : public Command * @return A value from CmdResult to indicate command success or failure. */ CmdResult Handle(const std::vector<std::string>& parameters, User *user); - void AddToWhoWas(User* user); - std::string GetStats(); - void Prune(); - void Maintain(); - ~CommandWhowas(); }; /** Used to hold WHOWAS information diff --git a/src/coremods/core_whowas.cpp b/src/coremods/core_whowas.cpp index 0060d0621..fee40377a 100644 --- a/src/coremods/core_whowas.cpp +++ b/src/coremods/core_whowas.cpp @@ -25,7 +25,6 @@ CommandWhowas::CommandWhowas( Module* parent) : Command(parent, "WHOWAS", 1) - , GroupSize(0), MaxGroups(0), MaxKeep(0) { syntax = "<nick>{,<nick>}"; Penalty = 2; @@ -34,21 +33,20 @@ CommandWhowas::CommandWhowas( Module* parent) CmdResult CommandWhowas::Handle (const std::vector<std::string>& parameters, User* user) { /* if whowas disabled in config */ - if (this->GroupSize == 0 || this->MaxGroups == 0) + if (!manager.IsEnabled()) { user->WriteNumeric(ERR_UNKNOWNCOMMAND, "%s :This command has been disabled.", name.c_str()); return CMD_FAILURE; } - whowas_users::const_iterator it = whowas.find(parameters[0]); - if (it == whowas.end()) + const WhoWas::Nick* const nick = manager.FindNick(parameters[0]); + if (!nick) { user->WriteNumeric(ERR_WASNOSUCHNICK, "%s :There was no such nickname", parameters[0].c_str()); } else { - const WhoWas::Nick& nick = *it->second; - const WhoWas::Nick::List& list = nick.entries; + const WhoWas::Nick::List& list = nick->entries; if (!list.empty()) { for (WhoWas::Nick::List::const_iterator i = list.begin(); i != list.end(); ++i) @@ -67,17 +65,30 @@ CmdResult CommandWhowas::Handle (const std::vector<std::string>& parameters, Use 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()); } } - else - { - user->WriteNumeric(ERR_WASNOSUCHNICK, "%s :There was no such nickname", parameters[0].c_str()); - } } user->WriteNumeric(RPL_ENDOFWHOWAS, "%s :End of WHOWAS", parameters[0].c_str()); return CMD_SUCCESS; } -std::string CommandWhowas::GetStats() +WhoWas::Manager::Manager() + : GroupSize(0), MaxGroups(0), MaxKeep(0) +{ +} + +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; +} + +std::string WhoWas::Manager::GetStats() const { size_t entrycount = 0; for (whowas_users::const_iterator i = whowas.begin(); i != whowas.end(); ++i) @@ -88,13 +99,10 @@ std::string CommandWhowas::GetStats() return "Whowas entries: " + ConvToStr(entrycount); } -void CommandWhowas::AddToWhoWas(User* user) +void WhoWas::Manager::Add(User* user) { - /* if whowas disabled */ - if (this->GroupSize == 0 || this->MaxGroups == 0) - { + if (!IsEnabled()) return; - } // Insert nick if it doesn't exist // 'first' will point to the newly inserted element or to the existing element with an equivalent key @@ -135,7 +143,7 @@ void CommandWhowas::AddToWhoWas(User* user) } /* on rehash, refactor maps according to new conf values */ -void CommandWhowas::Prune() +void WhoWas::Manager::Prune() { time_t min = ServerInstance->Time() - this->MaxKeep; @@ -173,7 +181,7 @@ void CommandWhowas::Prune() } /* call maintain once an hour to remove expired nicks */ -void CommandWhowas::Maintain() +void WhoWas::Manager::Maintain() { time_t min = ServerInstance->Time() - this->MaxKeep; for (whowas_users::iterator i = whowas.begin(); i != whowas.end(); ++i) @@ -187,7 +195,7 @@ void CommandWhowas::Maintain() } } -CommandWhowas::~CommandWhowas() +WhoWas::Manager::~Manager() { for (whowas_users::iterator i = whowas.begin(); i != whowas.end(); ++i) { @@ -196,6 +204,22 @@ CommandWhowas::~CommandWhowas() } } +bool WhoWas::Manager::IsEnabled() const +{ + return ((GroupSize != 0) && (MaxGroups != 0)); +} + +void WhoWas::Manager::UpdateConfig(unsigned int NewGroupSize, unsigned int NewMaxGroups, unsigned int NewMaxKeep) +{ + if ((NewGroupSize == GroupSize) && (NewMaxGroups == MaxGroups) && (NewMaxKeep == MaxKeep)) + return; + + GroupSize = NewGroupSize; + MaxGroups = NewMaxGroups; + MaxKeep = NewMaxKeep; + Prune(); +} + WhoWasGroup::WhoWasGroup(User* user) : host(user->host), dhost(user->dhost), ident(user->ident), server(user->server->GetName()), gecos(user->fullname), signon(user->signon) { @@ -224,18 +248,18 @@ class ModuleWhoWas : public Module void OnGarbageCollect() { // Remove all entries older than MaxKeep - cmd.Maintain(); + cmd.manager.Maintain(); } void OnUserQuit(User* user, const std::string& message, const std::string& oper_message) { - cmd.AddToWhoWas(user); + cmd.manager.Add(user); } ModResult OnStats(char symbol, User* user, string_list &results) { if (symbol == 'z') - results.push_back("249 "+user->nick+" :"+cmd.GetStats()); + results.push_back("249 "+user->nick+" :"+cmd.manager.GetStats()); return MOD_RES_PASSTHRU; } @@ -247,13 +271,7 @@ class ModuleWhoWas : public Module unsigned int NewMaxGroups = tag->getInt("maxgroups", 10240, 0, 1000000); unsigned int NewMaxKeep = tag->getDuration("maxkeep", 3600, 3600); - if ((NewGroupSize == cmd.GroupSize) && (NewMaxGroups == cmd.MaxGroups) && (NewMaxKeep == cmd.MaxKeep)) - return; - - cmd.GroupSize = NewGroupSize; - cmd.MaxGroups = NewMaxGroups; - cmd.MaxKeep = NewMaxKeep; - cmd.Prune(); + cmd.manager.UpdateConfig(NewGroupSize, NewMaxGroups, NewMaxKeep); } Version GetVersion() |