1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2007 InspIRCd Development Team
6 * See: http://www.inspircd.org/wiki/index.php/Credits
8 * This program is free but copyrighted software; see
9 * the file COPYING for details.
11 * ---------------------------------------------------
15 #include "commands/cmd_whowas.h"
17 WhoWasMaintainTimer * timer;
19 extern "C" DllExport command_t* init_command(InspIRCd* Instance)
21 return new cmd_whowas(Instance);
24 cmd_whowas::cmd_whowas(InspIRCd* Instance)
25 : command_t(Instance, "WHOWAS", 0, 1)
27 syntax = "<nick>{,<nick>}";
28 timer = new WhoWasMaintainTimer(Instance, 3600);
29 Instance->Timers->AddTimer(timer);
32 CmdResult cmd_whowas::Handle (const char** parameters, int pcnt, userrec* user)
34 /* if whowas disabled in config */
35 if (ServerInstance->Config->WhoWasGroupSize == 0 || ServerInstance->Config->WhoWasMaxGroups == 0)
37 user->WriteServ("421 %s %s :This command has been disabled.",user->nick,command.c_str());
41 whowas_users::iterator i = whowas.find(parameters[0]);
43 if (i == whowas.end())
45 user->WriteServ("406 %s %s :There was no such nickname",user->nick,parameters[0]);
46 user->WriteServ("369 %s %s :End of WHOWAS",user->nick,parameters[0]);
51 whowas_set* grp = i->second;
54 for (whowas_set::iterator ux = grp->begin(); ux != grp->end(); ux++)
57 time_t rawtime = u->signon;
61 timeinfo = localtime(&rawtime);
63 /* XXX - 'b' could be only 25 chars long and then strlcpy() would terminate it for us too? */
64 strlcpy(b,asctime(timeinfo),MAXBUF);
67 user->WriteServ("314 %s %s %s %s * :%s",user->nick,parameters[0],u->ident,u->dhost,u->gecos);
70 user->WriteServ("379 %s %s :was connecting from *@%s", user->nick, parameters[0], u->host);
72 if (*ServerInstance->Config->HideWhoisServer && !IS_OPER(user))
73 user->WriteServ("312 %s %s %s :%s",user->nick,parameters[0], ServerInstance->Config->HideWhoisServer, b);
75 user->WriteServ("312 %s %s %s :%s",user->nick,parameters[0], u->server, b);
80 user->WriteServ("406 %s %s :There was no such nickname",user->nick,parameters[0]);
81 user->WriteServ("369 %s %s :End of WHOWAS",user->nick,parameters[0]);
86 user->WriteServ("369 %s %s :End of WHOWAS",user->nick,parameters[0]);
90 CmdResult cmd_whowas::HandleInternal(const unsigned int id, const std::deque<classbase*> ¶meters)
95 AddToWhoWas((userrec*)parameters[0]);
99 GetStats((Extensible*)parameters[0]);
103 PruneWhoWas(ServerInstance->Time());
106 case WHOWAS_MAINTAIN:
107 MaintainWhoWas(ServerInstance->Time());
116 void cmd_whowas::GetStats(Extensible* ext)
119 int whowas_bytes = 0;
120 whowas_users_fifo::iterator iter;
121 for (iter = whowas_fifo.begin(); iter != whowas_fifo.end(); iter++)
123 whowas_set* n = (whowas_set*)whowas.find(iter->second)->second;
126 whowas_size += n->size();
127 whowas_bytes += (sizeof(whowas_set) + ( sizeof(WhoWasGroup) * n->size() ) );
130 stats.assign("Whowas(MAPSETS) " +ConvToStr(whowas_size)+" ("+ConvToStr(whowas_bytes)+" bytes)");
131 ext->Extend("stats", stats.c_str());
134 void cmd_whowas::AddToWhoWas(userrec* user)
136 /* if whowas disabled */
137 if (ServerInstance->Config->WhoWasGroupSize == 0 || ServerInstance->Config->WhoWasMaxGroups == 0)
142 whowas_users::iterator iter = whowas.find(user->nick);
144 if (iter == whowas.end())
146 whowas_set* n = new whowas_set;
147 WhoWasGroup *a = new WhoWasGroup(user);
149 whowas[user->nick] = n;
150 whowas_fifo.push_back(std::make_pair(ServerInstance->Time(),user->nick));
152 if ((int)(whowas.size()) > ServerInstance->Config->WhoWasMaxGroups)
154 whowas_users::iterator iter = whowas.find(whowas_fifo[0].second);
155 if (iter != whowas.end())
157 whowas_set* n = (whowas_set*)iter->second;
160 while (n->begin() != n->end())
162 WhoWasGroup *a = *(n->begin());
170 whowas_fifo.pop_front();
175 whowas_set* group = (whowas_set*)iter->second;
176 WhoWasGroup *a = new WhoWasGroup(user);
179 if ((int)(group->size()) > ServerInstance->Config->WhoWasGroupSize)
181 WhoWasGroup *a = (WhoWasGroup*)*(group->begin());
188 /* on rehash, refactor maps according to new conf values */
189 void cmd_whowas::PruneWhoWas(time_t t)
192 int groupsize = ServerInstance->Config->WhoWasGroupSize;
193 int maxgroups = ServerInstance->Config->WhoWasMaxGroups;
194 int maxkeep = ServerInstance->Config->WhoWasMaxKeep;
196 /* first cut the list to new size (maxgroups) and also prune entries that are timed out. */
197 whowas_users::iterator iter;
199 while ((fifosize = (int)whowas_fifo.size()) > 0)
201 if (fifosize > maxgroups || whowas_fifo[0].first < t - maxkeep)
203 iter = whowas.find(whowas_fifo[0].second);
204 /* hopefully redundant integrity check, but added while debugging r6216 */
205 if (iter == whowas.end())
207 /* this should never happen, if it does maps are corrupt */
208 ServerInstance->Log(DEFAULT, "BUG: Whowas maps got corrupted! (1)");
211 whowas_set* n = (whowas_set*)iter->second;
214 while (n->begin() != n->end())
216 WhoWasGroup *a = *(n->begin());
223 whowas_fifo.pop_front();
229 /* Then cut the whowas sets to new size (groupsize) */
230 fifosize = (int)whowas_fifo.size();
231 for (int i = 0; i < fifosize; i++)
233 iter = whowas.find(whowas_fifo[0].second);
234 /* hopefully redundant integrity check, but added while debugging r6216 */
235 if (iter == whowas.end())
237 /* this should never happen, if it does maps are corrupt */
238 ServerInstance->Log(DEFAULT, "BUG: Whowas maps got corrupted! (2)");
241 whowas_set* n = (whowas_set*)iter->second;
244 int nickcount = n->size();
245 while (n->begin() != n->end() && nickcount > groupsize)
247 WhoWasGroup *a = *(n->begin());
256 /* call maintain once an hour to remove expired nicks */
257 void cmd_whowas::MaintainWhoWas(time_t t)
259 for (whowas_users::iterator iter = whowas.begin(); iter != whowas.end(); iter++)
261 whowas_set* n = (whowas_set*)iter->second;
264 while ((n->begin() != n->end()) && ((*n->begin())->signon < t - ServerInstance->Config->WhoWasMaxKeep))
266 WhoWasGroup *a = *(n->begin());
268 n->erase(n->begin());
274 cmd_whowas::~cmd_whowas()
278 ServerInstance->Timers->DelTimer(timer);
281 whowas_users::iterator iter;
283 while ((fifosize = (int)whowas_fifo.size()) > 0)
285 iter = whowas.find(whowas_fifo[0].second);
286 /* hopefully redundant integrity check, but added while debugging r6216 */
287 if (iter == whowas.end())
289 /* this should never happen, if it does maps are corrupt */
290 ServerInstance->Log(DEFAULT, "BUG: Whowas maps got corrupted! (3)");
293 whowas_set* n = (whowas_set*)iter->second;
296 while (n->begin() != n->end())
298 WhoWasGroup *a = *(n->begin());
305 whowas_fifo.pop_front();
309 WhoWasGroup::WhoWasGroup(userrec* user) : host(NULL), dhost(NULL), ident(NULL), server(NULL), gecos(NULL), signon(user->signon)
311 this->host = strdup(user->host);
312 this->dhost = strdup(user->dhost);
313 this->ident = strdup(user->ident);
314 this->server = user->server;
315 this->gecos = strdup(user->fullname);
318 WhoWasGroup::~WhoWasGroup()
330 /* every hour, run this function which removes all entries older than Config->WhoWasMaxKeep */
331 void WhoWasMaintainTimer::Tick(time_t t)
333 command_t* whowas_command = ServerInstance->Parser->GetHandler("WHOWAS");
336 std::deque<classbase*> params;
337 whowas_command->HandleInternal(WHOWAS_MAINTAIN, params);