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Diffstat (limited to 'src/modules/m_sqlutils.cpp')
| -rw-r--r-- | src/modules/m_sqlutils.cpp | 223 |
1 files changed, 0 insertions, 223 deletions
diff --git a/src/modules/m_sqlutils.cpp b/src/modules/m_sqlutils.cpp deleted file mode 100644 index 3071f5242..000000000 --- a/src/modules/m_sqlutils.cpp +++ /dev/null @@ -1,223 +0,0 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2010 InspIRCd Development Team - * See: http://wiki.inspircd.org/Credits - * - * This program is free but copyrighted software; see - * the file COPYING for details. - * - * --------------------------------------------------- - */ - -#include "inspircd.h" -#include <sstream> -#include <list> -#include "m_sqlutils.h" - -/* $ModDesc: Provides some utilities to SQL client modules, such as mapping queries to users and channels */ -/* $ModDep: m_sqlutils.h */ - -typedef std::map<unsigned long, User*> IdUserMap; -typedef std::map<unsigned long, Channel*> IdChanMap; -typedef std::list<unsigned long> AssocIdList; - -class ModuleSQLutils : public Module -{ -private: - IdUserMap iduser; - IdChanMap idchan; - SimpleExtItem<AssocIdList> idExt; - -public: - ModuleSQLutils() : idExt("sqlutils_list", this) - { - } - - void init() - { - Implementation eventlist[] = { I_OnChannelDelete, I_OnUnloadModule, I_OnUserDisconnect }; - ServerInstance->Modules->Attach(eventlist, this, 3); - } - - void OnRequest(Request& request) - { - if(strcmp(SQLUTILAU, request.id) == 0) - { - AssociateUser* req = (AssociateUser*)&request; - - iduser.insert(std::make_pair(req->id, req->user)); - - AttachList(req->user, req->id); - } - else if(strcmp(SQLUTILAC, request.id) == 0) - { - AssociateChan* req = (AssociateChan*)&request; - - idchan.insert(std::make_pair(req->id, req->chan)); - - AttachList(req->chan, req->id); - } - else if(strcmp(SQLUTILUA, request.id) == 0) - { - UnAssociate* req = (UnAssociate*)&request; - - /* Unassociate a given query ID with all users and channels - * it is associated with. - */ - - DoUnAssociate(iduser, req->id); - DoUnAssociate(idchan, req->id); - } - else if(strcmp(SQLUTILGU, request.id) == 0) - { - GetAssocUser* req = (GetAssocUser*)&request; - - IdUserMap::iterator iter = iduser.find(req->id); - - if(iter != iduser.end()) - { - req->user = iter->second; - } - } - else if(strcmp(SQLUTILGC, request.id) == 0) - { - GetAssocChan* req = (GetAssocChan*)&request; - - IdChanMap::iterator iter = idchan.find(req->id); - - if(iter != idchan.end()) - { - req->chan = iter->second; - } - } - } - - void OnUserDisconnect(LocalUser* user) - { - /* A user is disconnecting, first we need to check if they have a list of queries associated with them. - * Then, if they do, we need to erase each of them from our IdUserMap (iduser) so when the module that - * associated them asks to look them up then it gets a NULL result and knows to discard the query. - */ - AssocIdList* il = idExt.get(user); - - if(il) - { - for(AssocIdList::iterator listiter = il->begin(); listiter != il->end(); listiter++) - { - IdUserMap::iterator iter; - - iter = iduser.find(*listiter); - - if(iter != iduser.end()) - { - if(iter->second != user) - { - ServerInstance->Logs->Log("m_sqlutils",DEBUG, "BUG: ID associated with user %s doesn't have the same User* associated with it in the map (erasing anyway)", user->nick.c_str()); - } - - iduser.erase(iter); - } - else - { - ServerInstance->Logs->Log("m_sqlutils",DEBUG, "BUG: user %s was extended with sqlutils_queryids but there was nothing matching in the map", user->nick.c_str()); - } - } - - idExt.unset(user); - } - } - - void AttachList(Extensible* obj, unsigned long id) - { - AssocIdList* il = idExt.get(obj); - - if (!il) - { - /* Doesn't already exist, create a new list and attach it. */ - il = new AssocIdList; - idExt.set(obj, il); - } - - /* Now either way we have a valid list in il, attached. */ - il->push_back(id); - } - - void RemoveFromList(Extensible* obj, unsigned long id) - { - AssocIdList* il = idExt.get(obj); - - if (il) - { - /* Only do anything if the list exists... (which it ought to) */ - il->remove(id); - - if(il->empty()) - { - /* If we just emptied it.. */ - idExt.unset(obj); - } - } - } - - template <class T> void DoUnAssociate(T &map, unsigned long id) - { - /* For each occurence of 'id' (well, only one..it's not a multimap) in 'map' - * remove it from the map, take an Extensible* value from the map and remove - * 'id' from the list of query IDs attached to it. - */ - typename T::iterator iter = map.find(id); - - if(iter != map.end()) - { - /* Found a value indexed by 'id', call RemoveFromList() - * on it with 'id' to remove 'id' from the list attached - * to the value. - */ - RemoveFromList(iter->second, id); - } - } - - void OnChannelDelete(Channel* chan) - { - /* A channel is being destroyed, first we need to check if it has a list of queries associated with it. - * Then, if it does, we need to erase each of them from our IdChanMap (idchan) so when the module that - * associated them asks to look them up then it gets a NULL result and knows to discard the query. - */ - AssocIdList* il = idExt.get(chan); - - if (il) - { - for(AssocIdList::iterator listiter = il->begin(); listiter != il->end(); listiter++) - { - IdChanMap::iterator iter; - - iter = idchan.find(*listiter); - - if(iter != idchan.end()) - { - if(iter->second != chan) - { - ServerInstance->Logs->Log("m_sqlutils",DEBUG, "BUG: ID associated with channel %s doesn't have the same Channel* associated with it in the map (erasing anyway)", chan->name.c_str()); - } - idchan.erase(iter); - } - else - { - ServerInstance->Logs->Log("m_sqlutils",DEBUG, "BUG: channel %s was extended with sqlutils_queryids but there was nothing matching in the map", chan->name.c_str()); - } - } - - idExt.unset(chan); - } - } - - Version GetVersion() - { - return Version("Provides some utilities to SQL client modules, such as mapping queries to users and channels", VF_VENDOR); - } - -}; - -MODULE_INIT(ModuleSQLutils) |