]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_watch.cpp
Untested! New m_watch that should be hundreds of times faster (im not joking either)
[user/henk/code/inspircd.git] / src / modules / m_watch.cpp
index d01bc045a6ea89a87c05566fff1e0edce0a56c7b..6f205fa2fba4cc420ca05a9f6850c8121a8f60f7 100644 (file)
@@ -3,13 +3,13 @@
  *       +------------------------------------+
  *
  *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- *                       E-mail:
- *                <brain@chatspike.net>
- *               <Craig@chatspike.net>
+ *       E-mail:
+ *<brain@chatspike.net>
+ *       <Craig@chatspike.net>
  *     
  * Written by Craig Edwards, Craig McLure, and others.
  * This program is free but copyrighted software; see
- *            the file COPYING for details.
+ *    the file COPYING for details.
  *
  * ---------------------------------------------------
  */
@@ -22,48 +22,144 @@ using namespace std;
 #include "users.h"
 #include "channels.h"
 #include "modules.h"
-
 #include "hashcomp.h"
 #include "inspircd.h"
 
 /* $ModDesc: Provides support for the /watch command */
 
+/*       nickname             list of users watching the nick               */
+typedef std::map<irc::string, std::deque<userrec*> >                        watchentries;
 
+/*       nickname             'ident host signon', or empty if not online   */
+typedef std::map<irc::string, std::string>                                  watchlist;
 
+/* Whos watching each nickname */
+watchentries whos_watching_me;
 
-class watchentry : public classbase
+/** Handle /WATCH
+ */
+class cmd_watch : public command_t
 {
+       unsigned int& MAX_WATCH;
  public:
-       userrec* watcher;
-       std::string target;
-};
+       CmdResult remove_watch(userrec* user, const char* nick)
+       {
+               // removing an item from the list
+               if (!ServerInstance->IsNick(nick))
+               {
+                       user->WriteServ("942 %s %s :Invalid nickname", user->nick, nick);
+                       return CMD_FAILURE;
+               }
 
-typedef std::vector<watchentry*> watchlist;
-watchlist watches;
+               watchlist* wl;
+               if (user->GetExt("watchlist", wl))
+               {
+                       /* Yup, is on my list */
+                       watchlist::iterator n = wl->find(nick);
+                       if (n != wl->end())
+                       {
+                               if (!n->second.empty())
+                                       user->WriteServ("602 %s %s %s :stopped watching", user->nick, n->first.c_str(), n->second.c_str());
+                               else
+                                       user->WriteServ("602 %s %s * * 0 :stopped watching", user->nick, nick);
 
-class cmd_watch : public command_t
-{
- public:
- cmd_watch (InspIRCd* Instance) : command_t(Instance,"WATCH",0,0)
+                               wl->erase(n);
+                       }
+
+                       if (!wl->size())
+                       {
+                               user->Shrink("watchlist");
+                               delete wl;
+                       }
+
+                       watchentries::iterator x = whos_watching_me.find(nick);
+                       if (x != whos_watching_me.end())
+                       {
+                               /* People are watching this user, am i one of them? */
+                               std::deque<userrec*>::iterator n = std::find(x->second.begin(), x->second.end(), user);
+                               if (n != x->second.end())
+                                       /* I'm no longer watching you... */
+                                       x->second.erase(n);
+
+                               if (!x->second.size())
+                                       whos_watching_me.erase(nick);
+                       }
+               }
+
+               return CMD_SUCCESS;
+       }
+
+       CmdResult add_watch(userrec* user, const char* nick)
+       {
+               if (!ServerInstance->IsNick(nick))
+               {
+                       user->WriteServ("942 %s %s :Invalid nickname",user->nick,nick);
+                       return CMD_FAILURE;
+               }
+
+               watchlist* wl;
+               if (!user->GetExt("watchlist", wl))
+               {
+                       wl = new watchlist();
+                       user->Extend("watchlist", wl);
+               }
+
+               if (wl->size() == MAX_WATCH)
+               {
+                       user->WriteServ("942 %s %s :Too many WATCH entries", user->nick, nick);
+                       return CMD_FAILURE;
+               }
+
+               watchlist::iterator n = wl->find(nick);
+               if (n == wl->end())
+               {
+                       /* Don't already have the user on my watch list, proceed */
+                       watchentries::iterator x = whos_watching_me.find(nick);
+                       if (x != whos_watching_me.end())
+                       {
+                               /* People are watching this user, add myself */
+                               x->second.push_back(user);
+                       }
+                       else
+                       {
+                               std::deque<userrec*> newlist;
+                               newlist.push_back(user);
+                               whos_watching_me[nick] = newlist;
+                       }
+
+                       userrec* target = ServerInstance->FindNick(nick);
+                       if (target)
+                       {
+                               (*wl)[nick] = std::string(target->ident).append(" ").append(target->dhost).append(" ").append(ConvToStr(target->age));
+                               user->WriteServ("604 %s %s %s :is online",user->nick, nick, (*wl)[nick].c_str());
+                       }
+                       else
+                       {
+                               (*wl)[nick] = "";
+                               user->WriteServ("605 %s %s * * 0 :is offline",user->nick, nick);
+                       }
+               }
+
+               return CMD_SUCCESS;
+       }
+
+       cmd_watch (InspIRCd* Instance, unsigned int &maxwatch) : command_t(Instance,"WATCH",0,0), MAX_WATCH(maxwatch)
        {
                this->source = "m_watch.so";
                syntax = "[C|L|S]|[+|-<nick>]";
        }
 
-       void Handle (const char** parameters, int pcnt, userrec *user)
+       CmdResult Handle (const char** parameters, int pcnt, userrec *user)
        {
                if (!pcnt)
                {
-                       for (watchlist::iterator q = watches.begin(); q != watches.end(); q++)
+                       watchlist* wl;
+                       if (user->GetExt("watchlist", wl))
                        {
-                               watchentry* a = (watchentry*)(*q);
-                               if (a->watcher == user)
+                               for (watchlist::iterator q = wl->begin(); q != wl->end(); q++)
                                {
-                                       userrec* targ = ServerInstance->FindNick(a->target);
-                                       if (targ)
-                                       {
-                                               user->WriteServ("604 %s %s %s %s %lu :is online",user->nick,targ->nick,targ->ident,targ->dhost,targ->age);
-                                       }
+                                       if (!q->second.empty())
+                                               user->WriteServ("604 %s %s %s :is online", user->nick, q->first.c_str(), q->second.c_str());
                                }
                        }
                        user->WriteServ("607 %s :End of WATCH list",user->nick);
@@ -76,213 +172,171 @@ class cmd_watch : public command_t
                                if (!strcasecmp(nick,"C"))
                                {
                                        // watch clear
-                                       bool done = false;
-                                       while (!done)
+                                       watchlist* wl;
+                                       if (user->GetExt("watchlist", wl))
                                        {
-                                               done = true;
-                                               for (watchlist::iterator q = watches.begin(); q != watches.end(); q++)
-                                               {
-                                                       watchentry* a = (watchentry*)(*q);
-                                                       if (a->watcher == user)
-                                                       {
-                                                               done = false;
-                                                               watches.erase(q);
-                                                               delete a;
-                                                               break;
-                                                       }
-                                               }
+                                               delete wl;
+                                               user->Shrink("watchlist");
                                        }
                                }
                                else if (!strcasecmp(nick,"L"))
                                {
-                                       for (watchlist::iterator q = watches.begin(); q != watches.end(); q++)
+                                       watchlist* wl;
+                                       if (user->GetExt("watchlist", wl))
                                        {
-                                               watchentry* a = (watchentry*)(*q);
-                                               if (a->watcher == user)
+                                               for (watchlist::iterator q = wl->begin(); q != wl->end(); q++)
                                                {
-                                                       userrec* targ = ServerInstance->FindNick(a->target);
-                                                       if (targ)
-                                                       {
-                                                               user->WriteServ("604 %s %s %s %s %lu :is online",user->nick,targ->nick,targ->ident,targ->dhost,targ->age);
-                                                       }
+                                                       if (!q->second.empty())
+                                                               user->WriteServ("604 %s %s %s :is online", user->nick, q->first.c_str(), q->second.c_str());
                                                }
                                        }
                                        user->WriteServ("607 %s :End of WATCH list",user->nick);
                                }
                                else if (!strcasecmp(nick,"S"))
                                {
-                                       std::string list = "";
-                                       for (watchlist::iterator q = watches.begin(); q != watches.end(); q++)
+                                       watchlist* wl;
+                                       int you_have = 0;
+                                       int youre_on = 0;
+                                       std::string list;
+
+                                       if (user->GetExt("watchlist", wl))
                                        {
-                                               watchentry* a = (watchentry*)(*q);
-                                               if (a->watcher == user)
-                                               {
-                                                       list.append(" ").append(a->target);
-                                               }
+                                               for (watchlist::iterator q = wl->begin(); q != wl->end(); q++)
+                                                       if (!q->second.empty())
+                                                               list.append(q->first.c_str()).append(" ");
+                                               you_have = wl->size();
                                        }
-                                       char* l = (char*)list.c_str();
-                                       if (*l == ' ')
-                                               l++;
-                                       user->WriteServ("606 %s :%s",user->nick,l);
+
+                                       watchentries::iterator x = whos_watching_me.find(user->nick);
+                                       if (x != whos_watching_me.end())
+                                               youre_on = x->second.size();
+
+                                       user->WriteServ("603 %s :You have %d and are on %d WATCH entries", user->nick, you_have, youre_on);
+                                       if (!list.empty())
+                                               user->WriteServ("606 %s :%s",user->nick, list.c_str());
                                        user->WriteServ("607 %s :End of WATCH S",user->nick);
                                }
                                else if (nick[0] == '-')
                                {
-                                       // removing an item from the list
                                        nick++;
-                                       irc::string n1 = nick;
-                                       for (watchlist::iterator q = watches.begin(); q != watches.end(); q++)
-                                       {
-                                               watchentry* b = (watchentry*)(*q);
-                                               if (b->watcher == user)
-                                               {
-                                                       irc::string n2 = b->target.c_str();
-                                                       userrec* a = ServerInstance->FindNick(b->target);
-                                                       if (a)
-                                                       {
-                                                               user->WriteServ("602 %s %s %s %s %lu :stopped watching",user->nick,a->nick,a->ident,a->dhost,a->age);
-                                                       }
-                                                       else
-                                                       {
-                                                                user->WriteServ("602 %s %s * * 0 :stopped watching",user->nick,b->target.c_str());
-                                                       }
-                                                       if (n1 == n2)
-                                                       {
-                                                               watches.erase(q);
-                                                               delete b;
-                                                               break;
-                                                       }
-                                               }
-                                       }
+                                       return remove_watch(user, nick);
                                }
                                else if (nick[0] == '+')
                                {
                                        nick++;
-                                       irc::string n1 = nick;
-                                       bool exists = false;
-                                       for (watchlist::iterator q = watches.begin(); q != watches.end(); q++)
-                                       {
-                                               watchentry* a = (watchentry*)(*q);
-                                               if (a->watcher == user)
-                                               {
-                                                       irc::string n2 = a->target.c_str();
-                                                       if (n1 == n2)
-                                                       {
-                                                               // already on watch list
-                                                               exists = true;
-                                                       }
-                                               }
-                                       }
-                                       if (!exists)
-                                       {
-                                               watchentry* w = new watchentry();
-                                               w->watcher = user;
-                                               w->target = nick;
-                                               watches.push_back(w);
-                                               ServerInstance->Log(DEBUG,"*** Added %s to watchlist of %s",nick,user->nick);
-                                       }
-                                       userrec* a = ServerInstance->FindNick(nick);
-                                       if (a)
-                                       {
-                                               user->WriteServ("604 %s %s %s %s %lu :is online",user->nick,a->nick,a->ident,a->dhost,a->age);
-                                       }
-                                       else
-                                       {
-                                               user->WriteServ("605 %s %s * * 0 :is offline",user->nick,nick);
-                                       }
+                                       return add_watch(user, nick);
                                }
                        }
                }
-               return;
+               /* So that spanningtree doesnt pass the WATCH commands to the network! */
+               return CMD_FAILURE;
        }
 };
 
 class Modulewatch : public Module
 {
        cmd_watch* mycommand;
+       unsigned int maxwatch;
  public:
 
        Modulewatch(InspIRCd* Me)
-               : Module::Module(Me)
+               : Module::Module(Me), maxwatch(32)
        {
-               
-               mycommand = new cmd_watch(ServerInstance);
+               mycommand = new cmd_watch(ServerInstance, maxwatch);
                ServerInstance->AddCommand(mycommand);
        }
 
        void Implements(char* List)
        {
-               List[I_OnUserQuit] = List[I_OnGlobalConnect] = List[I_OnUserPostNick] = List[I_On005Numeric] = 1;
+               List[I_OnUserQuit] = List[I_OnPostConnect] = List[I_OnUserPostNick] = List[I_On005Numeric] = 1;
        }
 
        virtual void OnUserQuit(userrec* user, const std::string &reason)
        {
                ServerInstance->Log(DEBUG,"*** WATCH: On global quit: user %s",user->nick);
-               irc::string n2 = user->nick;
-               for (watchlist::iterator q = watches.begin(); q != watches.end(); q++)
+               watchentries::iterator x = whos_watching_me.find(user->nick);
+               if (x != whos_watching_me.end())
                {
-                       watchentry* a = (watchentry*)(*q);
-                       irc::string n1 = a->target.c_str();
-                       if (n1 == n2)
+                       for (std::deque<userrec*>::iterator n = x->second.begin(); n != x->second.end(); n++)
                        {
-                               ServerInstance->Log(DEBUG,"*** WATCH: On global quit: user %s is in notify of %s",user->nick,a->watcher->nick);
-                               a->watcher->WriteServ("601 %s %s %s %s %lu :went offline",a->watcher->nick,user->nick,user->ident,user->dhost,time(NULL));
+                               (*n)->WriteServ("601 %s %s %s %s %lu :went offline", (*n)->nick ,user->nick, user->ident, user->dhost, ServerInstance->Time());
+                               watchlist* wl;
+                               if ((*n)->GetExt("watchlist", wl))
+                                       /* We were on somebody's notify list, set ourselves offline */
+                                       (*wl)[user->nick] = "";
                        }
                }
-               bool done = false;
-               while (!done)
+
+               /* Now im quitting, if i have a notify list, im no longer watching anyone */
+               watchlist* wl;
+               if (user->GetExt("watchlist", wl))
                {
-                       done = true;
-                       for (watchlist::iterator q = watches.begin(); q != watches.end(); q++)
+                       /* Iterate every user on my watch list, and take me out of the whos_watching_me map for each one we're watching */
+                       for (watchlist::iterator i = wl->begin(); i != wl->end(); i++)
                        {
-                               watchentry* a = (watchentry*)(*q);
-                               if (a->watcher == user)
+                               watchentries::iterator x = whos_watching_me.find(i->first);
+                               if (x != whos_watching_me.end())
                                {
-                                       done = false;
-                                       watches.erase(q);
-                                       delete a;
-                                       break;
+                                               /* People are watching this user, am i one of them? */
+                                               std::deque<userrec*>::iterator n = std::find(x->second.begin(), x->second.end(), user);
+                                               if (n != x->second.end())
+                                                       /* I'm no longer watching you... */
+                                                       x->second.erase(n);
+       
+                                               if (!x->second.size())
+                                                       whos_watching_me.erase(user->nick);
                                }
                        }
                }
        }
 
-       virtual void OnGlobalConnect(userrec* user)
+       virtual void OnPostConnect(userrec* user)
        {
-               irc::string n2 = user->nick;
                ServerInstance->Log(DEBUG,"*** WATCH: On global connect: user %s",user->nick);
-               for (watchlist::iterator q = watches.begin(); q != watches.end(); q++)
+               watchentries::iterator x = whos_watching_me.find(user->nick);
+               if (x != whos_watching_me.end())
                {
-                       watchentry* a = (watchentry*)(*q);
-                       irc::string n1 = a->target.c_str();
-                       if (n1 == n2)
+                       for (std::deque<userrec*>::iterator n = x->second.begin(); n != x->second.end(); n++)
                        {
-                               ServerInstance->Log(DEBUG,"*** WATCH: On global connect: user %s is in notify of %s",user->nick,a->watcher->nick);
-                               a->watcher->WriteServ("600 %s %s %s %s %lu :arrived online",a->watcher->nick,user->nick,user->ident,user->dhost,user->age);
+                               (*n)->WriteServ("600 %s %s %s %s %lu :arrived online", (*n)->nick, user->nick, user->ident, user->dhost, user->age);
+                               watchlist* wl;
+                               if ((*n)->GetExt("watchlist", wl))
+                                       /* We were on somebody's notify list, set ourselves online */
+                                       (*wl)[user->nick] = std::string(user->ident).append(" ").append(user->dhost).append(" ").append(ConvToStr(user->age));
                        }
                }
        }
 
        virtual void OnUserPostNick(userrec* user, const std::string &oldnick)
        {
-               irc::string n2 = oldnick.c_str();
-               irc::string n3 = user->nick;
                ServerInstance->Log(DEBUG,"*** WATCH: On global nickchange: old nick: %s new nick: %s",oldnick.c_str(),user->nick);
-               for (watchlist::iterator q = watches.begin(); q != watches.end(); q++)
+
+               watchentries::iterator new_online = whos_watching_me.find(user->nick);
+               watchentries::iterator new_offline = whos_watching_me.find(assign(oldnick));
+
+               if (new_online != whos_watching_me.end())
                {
-                       watchentry* a = (watchentry*)(*q);
-                       irc::string n1 = a->target.c_str();
-                       // changed from a nick on the watchlist to one that isnt
-                       if (n1 == n2)
+                       for (std::deque<userrec*>::iterator n = new_online->second.begin(); n != new_online->second.end(); n++)
                        {
-                               ServerInstance->Log(DEBUG,"*** WATCH: On global nickchange: old nick %s was on notify list of %s",oldnick.c_str(),a->watcher->nick);
-                               a->watcher->WriteServ("601 %s %s %s %s %lu :went offline",a->watcher->nick,oldnick.c_str(),user->ident,user->dhost,time(NULL));
+                               watchlist* wl;
+                               if ((*n)->GetExt("watchlist", wl))
+                               {
+                                       (*wl)[user->nick] = std::string(user->ident).append(" ").append(user->dhost).append(" ").append(ConvToStr(user->age));
+                                       (*n)->WriteServ("600 %s %s %s %s %lu :arrived online", (*n)->nick, (*wl)[user->nick].c_str());
+                               }
                        }
-                       else if (n1 == n3)
+               }
+
+               if (new_offline != whos_watching_me.end())
+               {
+                       for (std::deque<userrec*>::iterator n = new_offline->second.begin(); n != new_offline->second.end(); n++)
                        {
-                               // changed from a nick not on notify to one that is
-                               ServerInstance->Log(DEBUG,"*** WATCH: On global nickchange: new nick %s is on notify list of %s",user->nick,a->watcher->nick);
-                               a->watcher->WriteServ("600 %s %s %s %s %lu :arrived online",a->watcher->nick,user->nick,user->ident,user->dhost,user->age);
+                               watchlist* wl;
+                               if ((*n)->GetExt("watchlist", wl))
+                               {
+                                       (*n)->WriteServ("601 %s %s %s :went offline", (*n)->nick, (*wl)[user->nick].c_str());
+                                       (*wl)[user->nick] = "";
+                               }
                        }
                }
        }       
@@ -290,7 +344,7 @@ class Modulewatch : public Module
        virtual void On005Numeric(std::string &output)
        {
                // we don't really have a limit...
-               output = output + " WATCH=999";
+               output = output + " WATCH=32";
        }
        
        virtual ~Modulewatch()
@@ -299,7 +353,7 @@ class Modulewatch : public Module
        
        virtual Version GetVersion()
        {
-               return Version(1,0,0,1,VF_VENDOR);
+               return Version(1,1,0,1,VF_VENDOR,API_VERSION);
        }
 };