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Describe module purpose in /MODULES output
[user/henk/code/inspircd.git] / src / modules / extra / m_sqllog.cpp
index 03501265095640fe8653fab2802a5887db9d77fd..556cc8b31c33f04bd2ee806571b67213de21b392 100644 (file)
  *       | Inspire Internet Relay Chat Daemon |
  *       +------------------------------------+
  *
- *  Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
- *                       E-mail:
- *                <brain@chatspike.net>
- *               <Craig@chatspike.net>
- *     
- * Written by Craig Edwards, Craig McLure, and others.
+ *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
+ * See: http://wiki.inspircd.org/Credits
+ *
  * This program is free but copyrighted software; see
  *            the file COPYING for details.
  *
  * ---------------------------------------------------
  */
 
-#include <stdio.h>
-#include <string>
-#include <stdlib.h>
-#include <time.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/time.h>
-#include <string.h>
-#include <unistd.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <poll.h>
-#include "users.h"
-#include "channels.h"
-#include "modules.h"
 #include "inspircd.h"
-#include "m_sql.h"
+#include "m_sqlv2.h"
 
-#define LT_OPER                1
-#define LT_KILL                2
-#define LT_SERVLINK    3
-#define LT_XLINE       4
-#define LT_CONNECT     5
-#define LT_DISCONNECT  6
-#define LT_FLOOD       7
-#define LT_LOADMODULE  8
+static Module* SQLModule;
+static Module* MyMod;
+static std::string dbid;
 
-/* $ModDesc: Logs network-wide data to an SQL database */
+enum LogTypes { LT_OPER = 1, LT_KILL, LT_SERVLINK, LT_XLINE, LT_CONNECT, LT_DISCONNECT, LT_FLOOD, LT_LOADMODULE };
+
+enum QueryState { FIND_SOURCE, FIND_NICK, FIND_HOST, DONE};
+
+class QueryInfo;
+
+std::map<unsigned long,QueryInfo*> active_queries;
+
+class QueryInfo
+{
+private:
+       InspIRCd* ServerInstance;
+public:
+       QueryState qs;
+       unsigned long id;
+       std::string nick;
+       std::string source;
+       std::string hostname;
+       int sourceid;
+       int nickid;
+       int hostid;
+       int category;
+       time_t date;
+       bool insert;
+
+       QueryInfo(InspIRCd* Instance, const std::string &n, const std::string &s, const std::string &h, unsigned long i, int cat)
+       {
+               ServerInstance = Instance;
+               qs = FIND_SOURCE;
+               nick = n;
+               source = s;
+               hostname = h;
+               id = i;
+               category = cat;
+               sourceid = nickid = hostid = -1;
+               date = ServerInstance->Time();
+               insert = false;
+       }
+
+       void Go(SQLresult* res)
+       {
+               SQLrequest req = SQLrequest(MyMod, SQLModule, dbid, SQLquery(""));
+               switch (qs)
+               {
+                       case FIND_SOURCE:
+                               if (res->Rows() && sourceid == -1 && !insert)
+                               {
+                                       sourceid = atoi(res->GetValue(0,0).d.c_str());
+                                       req = SQLrequest(MyMod, SQLModule, dbid, SQLquery("SELECT id,actor FROM ircd_log_actors WHERE actor='?'") % nick);
+                                       if(req.Send())
+                                       {
+                                               insert = false;
+                                               qs = FIND_NICK;
+                                               active_queries[req.id] = this;
+                                       }
+                               }
+                               else if (res->Rows() && sourceid == -1 && insert)
+                               {
+                                       req = SQLrequest(MyMod, SQLModule, dbid, SQLquery("SELECT id,actor FROM ircd_log_actors WHERE actor='?'") % source);
+                                       if(req.Send())
+                                       {
+                                               insert = false;
+                                               qs = FIND_SOURCE;
+                                               active_queries[req.id] = this;
+                                       }
+                               }
+                               else
+                               {
+                                       req = SQLrequest(MyMod, SQLModule, dbid, SQLquery("INSERT INTO ircd_log_actors (actor) VALUES('?')") % source);
+                                       if(req.Send())
+                                       {
+                                               insert = true;
+                                               qs = FIND_SOURCE;
+                                               active_queries[req.id] = this;
+                                       }
+                               }
+                       break;
+
+                       case FIND_NICK:
+                               if (res->Rows() && nickid == -1 && !insert)
+                               {
+                                       nickid = atoi(res->GetValue(0,0).d.c_str());
+                                       req = SQLrequest(MyMod, SQLModule, dbid, SQLquery("SELECT id,hostname FROM ircd_log_hosts WHERE hostname='?'") % hostname);
+                                       if(req.Send())
+                                       {
+                                               insert = false;
+                                               qs = FIND_HOST;
+                                               active_queries[req.id] = this;
+                                       }
+                               }
+                               else if (res->Rows() && nickid == -1 && insert)
+                               {
+                                       req = SQLrequest(MyMod, SQLModule, dbid, SQLquery("SELECT id,actor FROM ircd_log_actors WHERE actor='?'") % nick);
+                                       if(req.Send())
+                                       {
+                                               insert = false;
+                                               qs = FIND_NICK;
+                                               active_queries[req.id] = this;
+                                       }
+                               }
+                               else
+                               {
+                                       req = SQLrequest(MyMod, SQLModule, dbid, SQLquery("INSERT INTO ircd_log_actors (actor) VALUES('?')") % nick);
+                                       if(req.Send())
+                                       {
+                                               insert = true;
+                                               qs = FIND_NICK;
+                                               active_queries[req.id] = this;
+                                       }
+                               }
+                       break;
 
-Server *Srv;
+                       case FIND_HOST:
+                               if (res->Rows() && hostid == -1 && !insert)
+                               {
+                                       hostid = atoi(res->GetValue(0,0).d.c_str());
+                                       req = SQLrequest(MyMod, SQLModule, dbid,
+                                                       SQLquery("INSERT INTO ircd_log (category_id,nick,host,source,dtime) VALUES('?','?','?','?','?')") % category % nickid % hostid % sourceid % date);
+                                       if(req.Send())
+                                       {
+                                               insert = true;
+                                               qs = DONE;
+                                               active_queries[req.id] = this;
+                                       }
+                               }
+                               else if (res->Rows() && hostid == -1 && insert)
+                               {
+                                       req = SQLrequest(MyMod, SQLModule, dbid, SQLquery("SELECT id,hostname FROM ircd_log_hosts WHERE hostname='?'") % hostname);
+                                       if(req.Send())
+                                       {
+                                               insert = false;
+                                               qs = FIND_HOST;
+                                               active_queries[req.id] = this;
+                                       }
+                               }
+                               else
+                               {
+                                       req = SQLrequest(MyMod, SQLModule, dbid, SQLquery("INSERT INTO ircd_log_hosts (hostname) VALUES('?')") % hostname);
+                                       if(req.Send())
+                                       {
+                                               insert = true;
+                                               qs = FIND_HOST;
+                                               active_queries[req.id] = this;
+                                       }
+                               }
+                       break;
+
+                       case DONE:
+                               std::map<unsigned long,QueryInfo*>::iterator x = active_queries.find(req.id);
+                               if (x != active_queries.end())
+                               {
+                                       delete x->second;
+                                       active_queries.erase(x);
+                               }
+                       break;
+               }
+       }
+};
+
+/* $ModDesc: Logs network-wide data to an SQL database */
 
 class ModuleSQLLog : public Module
 {
-       ConfigReader* Conf;
-       unsigned long dbid;
-       Module* SQLModule;
 
  public:
-       bool ReadConfig()
+       ModuleSQLLog(InspIRCd* Me)
+       : Module(Me)
        {
-               Conf = new ConfigReader();
-               dbid = Conf->ReadInteger("sqllog","dbid",0,true);       // database id of a database configured in m_sql (see m_sql config)
-               delete Conf;
-               SQLModule = Srv->FindModule("m_sql.so");
-               if (!SQLModule)
-                       Srv->Log(DEFAULT,"WARNING: m_SQLLog.so could not initialize because m_sql.so is not loaded. Load the module and rehash your server.");
-               return (SQLModule);
+               ServerInstance->Modules->UseInterface("SQLutils");
+               ServerInstance->Modules->UseInterface("SQL");
+
+               Module* SQLutils = ServerInstance->Modules->Find("m_sqlutils.so");
+               if (!SQLutils)
+                       throw ModuleException("Can't find m_sqlutils.so. Please load m_sqlutils.so before m_sqlauth.so.");
+
+               SQLModule = ServerInstance->Modules->FindFeature("SQL");
+
+               OnRehash(NULL);
+               MyMod = this;
+               active_queries.clear();
+
+               Implementation eventlist[] = { I_OnRehash, I_OnOper, I_OnGlobalOper, I_OnKill,
+                       I_OnPreCommand, I_OnUserConnect, I_OnUserQuit, I_OnLoadModule, I_OnRequest };
+               ServerInstance->Modules->Attach(eventlist, this, 9);
        }
 
-       ModuleSQLLog()
+       virtual ~ModuleSQLLog()
        {
-               Srv = new Server;
-               ReadConfig();
+               ServerInstance->Modules->DoneWithInterface("SQL");
+               ServerInstance->Modules->DoneWithInterface("SQLutils");
        }
 
-       virtual void OnRehash()
+
+       void ReadConfig()
        {
-               ReadConfig();
+               ConfigReader Conf(ServerInstance);
+               dbid = Conf.ReadValue("sqllog","dbid",0);       // database id of a database configured in sql module
        }
 
-       long InsertNick(std::string nick)
+       virtual void OnRehash(User* user)
        {
-               long nid = -1;
-                SQLRequest* query = new SQLRequest(SQL_RESULT,dbid,"SELECT id,actor FROM ircd_log_actors WHERE actor='"+nick+"'");
-                Request queryrequest((char*)query, this, SQLModule);
-                SQLResult* result = (SQLResult*)queryrequest.Send();
-                if (result->GetType() == SQL_OK)
-                {
-                        SQLRequest* rowrequest = new SQLRequest(SQL_ROW,dbid,"");
-                        Request rowquery((char*)rowrequest, this, SQLModule);
-                        SQLResult* rowresult = (SQLResult*)rowquery.Send();
-                        if (rowresult->GetType() == SQL_ROW)
-                        {
-                                nid = atoi(rowresult->GetField("id").c_str());
-                                delete rowresult;
-                        }
-                        delete rowrequest;
-                        delete result;
-                }
-                query->SetQueryType(SQL_DONE);
-                query->SetConnID(dbid);
-                Request donerequest((char*)query, this, SQLModule);
-                donerequest.Send();
-                delete query;
-               if (nid < 1)
-               {
-                       SQLRequest* query2 = new SQLRequest(SQL_COUNT,dbid,"INSERT INTO ircd_log_actors VALUES('','"+nick+"')");
-                       Request queryrequest2((char*)query2, this, SQLModule);
-                       SQLResult* result2 = (SQLResult*)queryrequest2.Send();
-                       if (result2->GetType() == SQL_ERROR)
-                       {
-                               Srv->Log(DEFAULT,"SQL log error: " + result2->GetError());
-                       }
-                       if (result2)
-                               delete result;
-                       if (query2)
-                               delete query2;
-                       nid = InsertNick(nick);
-               }
-               return nid;
+               ReadConfig();
        }
 
-       void InsertEntry(unsigned long category,unsigned long nickid,unsigned long hostid,unsigned long sourceid,unsigned long date)
+       virtual const char* OnRequest(Request* request)
        {
-               char querybuffer[MAXBUF];
-               snprintf(querybuffer,MAXBUF,"INSERT INTO ircd_log VALUES('',%lu,%lu,%lu,%lu,%lu)",(unsigned long)category,(unsigned long)nickid,(unsigned long)hostid,(unsigned long)sourceid,(unsigned long)date);
-               SQLRequest* query = new SQLRequest(SQL_COUNT,dbid,querybuffer);
-               Request queryrequest((char*)query, this, SQLModule);
-               SQLResult* result = (SQLResult*)queryrequest.Send();
-               if (result->GetType() == SQL_ERROR)
+               if(strcmp(SQLRESID, request->GetId()) == 0)
                {
-                       Srv->Log(DEFAULT,"SQL log error: " + result->GetError());
+                       SQLresult* res;
+                       std::map<unsigned long, QueryInfo*>::iterator n;
+
+                       res = static_cast<SQLresult*>(request);
+                       n = active_queries.find(res->id);
+
+                       if (n != active_queries.end())
+                       {
+                               n->second->Go(res);
+                               active_queries.erase(n);
+                       }
+
+                       return SQLSUCCESS;
                }
-               if (result)
-                       delete result;
-               if (query)
-                       delete query;
-               return;
-       }
 
-       long InsertHost(std::string host)
-       {
-                long hid = -1;
-                SQLRequest* query = new SQLRequest(SQL_RESULT,dbid,"SELECT id,hostname FROM ircd_log_hosts WHERE hostname='"+host+"'");
-                Request queryrequest((char*)query, this, SQLModule);
-                SQLResult* result = (SQLResult*)queryrequest.Send();
-                if (result->GetType() == SQL_OK)
-                {
-                        SQLRequest* rowrequest = new SQLRequest(SQL_ROW,dbid,"");
-                        Request rowquery((char*)rowrequest, this, SQLModule);
-                        SQLResult* rowresult = (SQLResult*)rowquery.Send();
-                        if (rowresult->GetType() == SQL_ROW)
-                        {
-                                hid = atoi(rowresult->GetField("id").c_str());
-                                delete rowresult;
-                        }
-                        delete rowrequest;
-                        delete result;
-                }
-                query->SetQueryType(SQL_DONE);
-                query->SetConnID(dbid);
-                Request donerequest((char*)query, this, SQLModule);
-                donerequest.Send();
-                delete query;
-                if (hid < 1)
-                {
-                        SQLRequest* query2 = new SQLRequest(SQL_COUNT,dbid,"INSERT INTO ircd_log_hosts VALUES('','"+host+"')");
-                        Request queryrequest2((char*)query2, this, SQLModule);
-                        SQLResult* result2 = (SQLResult*)queryrequest2.Send();
-                       if (result2->GetType() == SQL_ERROR)
-                       {
-                               Srv->Log(DEFAULT,"SQL log error: " + result2->GetError());
-                       }
-                        if (result)
-                                delete result2;
-                       if (query)
-                               delete query2;
-                        hid = InsertHost(host);
-                }
-                return hid;
+               return NULL;
        }
 
-       void AddLogEntry(int category, std::string nick, std::string host, std::string source)
+       void AddLogEntry(int category, const std::string &nick, const std::string &host, const std::string &source)
        {
                // is the sql module loaded? If not, we don't attempt to do anything.
                if (!SQLModule)
                        return;
 
-               long nickid = InsertNick(nick);
-               long sourceid = InsertNick(source);
-               long hostid = InsertHost(host);
-               InsertEntry((unsigned)category,(unsigned)nickid,(unsigned)hostid,(unsigned)sourceid,(unsigned long)time(NULL));
+               SQLrequest req = SQLrequest(this, SQLModule, dbid, SQLquery("SELECT id,actor FROM ircd_log_actors WHERE actor='?'") % source);
+               if(req.Send())
+               {
+                       QueryInfo* i = new QueryInfo(ServerInstance, nick, source, host, req.id, category);
+                       i->qs = FIND_SOURCE;
+                       active_queries[req.id] = i;
+               }
        }
 
-       virtual void OnOper(userrec* user)
+       virtual void OnOper(User* user, const std::string &opertype)
        {
                AddLogEntry(LT_OPER,user->nick,user->host,user->server);
        }
 
-       virtual void OnGlobalOper(userrec* user)
+       virtual void OnGlobalOper(User* user)
        {
                AddLogEntry(LT_OPER,user->nick,user->host,user->server);
        }
 
-       virtual int OnKill(userrec* source, userrec* dest, std::string reason)
+       virtual ModResult OnKill(User* source, User* dest, const std::string &reason)
        {
                AddLogEntry(LT_KILL,dest->nick,dest->host,source->nick);
-               return 0;
+               return MOD_RES_PASSTHRU;
        }
 
-       virtual int OnMeshToken(char token,string_list params,serverrec* source,serverrec* reply, std::string tcp_host,std::string ipaddr,int port)
+       virtual ModResult OnPreCommand(std::string &command, std::vector<std::string> &parameters, User *user, bool validated, const std::string &original_line)
        {
-               if ((token == 'U') || (token == 's') || (token == 'S'))
-                       AddLogEntry(LT_SERVLINK,tcp_host,ipaddr,Srv->GetServerName());
-               return 0;
-       }
-
-       virtual int OnPreCommand(std::string command, char **parameters, int pcnt, userrec *user)
-       {
-               if ((command == "GLINE") || (command == "KLINE") || (command == "ELINE") || (command == "ZLINE"))
+               if ((command == "GLINE" || command == "KLINE" || command == "ELINE" || command == "ZLINE") && validated)
                {
-                       AddLogEntry(LT_XLINE,user->nick,command[0]+std::string(":")+std::string(parameters[0]),user->server);
+                       AddLogEntry(LT_XLINE,user->nick,command[0]+std::string(":")+parameters[0],user->server);
                }
-               return 0;
-       }
-
-       virtual void OnUserConnect(userrec* user)
-       {
-               AddLogEntry(LT_CONNECT,user->nick,user->host,user->server);
+               return MOD_RES_PASSTHRU;
        }
 
-       virtual void OnGlobalConnect(userrec* user)
+       virtual void OnUserConnect(User* user)
        {
                AddLogEntry(LT_CONNECT,user->nick,user->host,user->server);
        }
 
-       virtual void OnUserQuit(userrec* user)
+       virtual void OnUserQuit(User* user, const std::string &reason, const std::string &oper_message)
        {
                AddLogEntry(LT_DISCONNECT,user->nick,user->host,user->server);
        }
 
-       virtual void OnLoadModule(Module* mod,std::string name)
+       virtual void OnLoadModule(Module* mod, const std::string &name)
        {
-               AddLogEntry(LT_LOADMODULE,name,Srv->GetServerName(),Srv->GetServerName());
+               AddLogEntry(LT_LOADMODULE,name,ServerInstance->Config->ServerName, ServerInstance->Config->ServerName);
        }
 
-       virtual ~ModuleSQLLog()
-       {
-               delete Srv;
-       }
-       
        virtual Version GetVersion()
        {
-               return Version(1,0,0,1,VF_VENDOR);
+               return Version("Logs network-wide data to an SQL database", VF_VENDOR, API_VERSION);
        }
-       
-};
 
-class ModuleSQLLogFactory : public ModuleFactory
-{
- public:
-       ModuleSQLLogFactory()
-       {
-       }
-       
-       ~ModuleSQLLogFactory()
-       {
-       }
-       
-       virtual Module * CreateModule()
-       {
-               return new ModuleSQLLog;
-       }
-       
 };
 
-
-extern "C" void * init_module( void )
-{
-       return new ModuleSQLLogFactory;
-}
-
+MODULE_INIT(ModuleSQLLog)