1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2010 InspIRCd Development Team
6 * See: http://wiki.inspircd.org/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 CommandWhowas::CommandWhowas( Module* parent) : Command(parent, "WHOWAS", 1)
21 syntax = "<nick>{,<nick>}";
23 timer = new WhoWasMaintainTimer(3600);
24 ServerInstance->Timers->AddTimer(timer);
27 CmdResult CommandWhowas::Handle (const std::vector<std::string>& parameters, User* user)
29 /* if whowas disabled in config */
30 if (ServerInstance->Config->WhoWasGroupSize == 0 || ServerInstance->Config->WhoWasMaxGroups == 0)
32 user->WriteNumeric(421, "%s %s :This command has been disabled.",user->nick.c_str(),name.c_str());
36 whowas_users::iterator i = whowas.find(assign(parameters[0]));
38 if (i == whowas.end())
40 user->WriteNumeric(406, "%s %s :There was no such nickname",user->nick.c_str(),parameters[0].c_str());
41 user->WriteNumeric(369, "%s %s :End of WHOWAS",user->nick.c_str(),parameters[0].c_str());
46 whowas_set* grp = i->second;
49 for (whowas_set::iterator ux = grp->begin(); ux != grp->end(); ux++)
52 time_t rawtime = u->signon;
56 timeinfo = localtime(&rawtime);
58 strncpy(b,asctime(timeinfo),24);
61 user->WriteNumeric(314, "%s %s %s %s * :%s",user->nick.c_str(),parameters[0].c_str(),
62 u->ident.c_str(),u->dhost.c_str(),u->gecos.c_str());
64 if (user->HasPrivPermission("users/auspex"))
65 user->WriteNumeric(379, "%s %s :was connecting from *@%s",
66 user->nick.c_str(), parameters[0].c_str(), u->host.c_str());
68 if (!ServerInstance->Config->HideWhoisServer.empty() && !user->HasPrivPermission("servers/auspex"))
69 user->WriteNumeric(312, "%s %s %s :%s",user->nick.c_str(),parameters[0].c_str(), ServerInstance->Config->HideWhoisServer.c_str(), b);
71 user->WriteNumeric(312, "%s %s %s :%s",user->nick.c_str(),parameters[0].c_str(), u->server.c_str(), b);
76 user->WriteNumeric(406, "%s %s :There was no such nickname",user->nick.c_str(),parameters[0].c_str());
77 user->WriteNumeric(369, "%s %s :End of WHOWAS",user->nick.c_str(),parameters[0].c_str());
82 user->WriteNumeric(369, "%s %s :End of WHOWAS",user->nick.c_str(),parameters[0].c_str());
86 std::string CommandWhowas::GetStats()
90 whowas_users_fifo::iterator iter;
91 for (iter = whowas_fifo.begin(); iter != whowas_fifo.end(); iter++)
93 whowas_set* n = (whowas_set*)whowas.find(iter->second)->second;
96 whowas_size += n->size();
97 whowas_bytes += (sizeof(whowas_set) + ( sizeof(WhoWasGroup) * n->size() ) );
100 return "Whowas entries: " +ConvToStr(whowas_size)+" ("+ConvToStr(whowas_bytes)+" bytes)";
103 void CommandWhowas::AddToWhoWas(User* user)
105 /* if whowas disabled */
106 if (ServerInstance->Config->WhoWasGroupSize == 0 || ServerInstance->Config->WhoWasMaxGroups == 0)
111 whowas_users::iterator iter = whowas.find(irc::string(user->nick.c_str()));
113 if (iter == whowas.end())
115 whowas_set* n = new whowas_set;
116 WhoWasGroup *a = new WhoWasGroup(user);
118 whowas[user->nick.c_str()] = n;
119 whowas_fifo.push_back(std::make_pair(ServerInstance->Time(),user->nick.c_str()));
121 if ((int)(whowas.size()) > ServerInstance->Config->WhoWasMaxGroups)
123 whowas_users::iterator iter2 = whowas.find(whowas_fifo[0].second);
124 if (iter2 != whowas.end())
126 whowas_set* n2 = (whowas_set*)iter2->second;
130 while (n2->begin() != n2->end())
132 WhoWasGroup *a2 = *(n2->begin());
141 whowas_fifo.pop_front();
146 whowas_set* group = (whowas_set*)iter->second;
147 WhoWasGroup *a = new WhoWasGroup(user);
150 if ((int)(group->size()) > ServerInstance->Config->WhoWasGroupSize)
152 WhoWasGroup *a2 = (WhoWasGroup*)*(group->begin());
159 /* on rehash, refactor maps according to new conf values */
160 void CommandWhowas::PruneWhoWas(time_t t)
163 int groupsize = ServerInstance->Config->WhoWasGroupSize;
164 int maxgroups = ServerInstance->Config->WhoWasMaxGroups;
165 int maxkeep = ServerInstance->Config->WhoWasMaxKeep;
167 /* first cut the list to new size (maxgroups) and also prune entries that are timed out. */
168 whowas_users::iterator iter;
170 while ((fifosize = (int)whowas_fifo.size()) > 0)
172 if (fifosize > maxgroups || whowas_fifo[0].first < t - maxkeep)
174 iter = whowas.find(whowas_fifo[0].second);
176 /* hopefully redundant integrity check, but added while debugging r6216 */
177 if (iter == whowas.end())
179 /* this should never happen, if it does maps are corrupt */
180 ServerInstance->Logs->Log("WHOWAS",DEFAULT, "BUG: Whowas maps got corrupted! (1)");
184 whowas_set* n = (whowas_set*)iter->second;
188 while (n->begin() != n->end())
190 WhoWasGroup *a = *(n->begin());
198 whowas_fifo.pop_front();
204 /* Then cut the whowas sets to new size (groupsize) */
205 fifosize = (int)whowas_fifo.size();
206 for (int i = 0; i < fifosize; i++)
208 iter = whowas.find(whowas_fifo[0].second);
209 /* hopefully redundant integrity check, but added while debugging r6216 */
210 if (iter == whowas.end())
212 /* this should never happen, if it does maps are corrupt */
213 ServerInstance->Logs->Log("WHOWAS",DEFAULT, "BUG: Whowas maps got corrupted! (2)");
216 whowas_set* n = (whowas_set*)iter->second;
219 int nickcount = n->size();
220 while (n->begin() != n->end() && nickcount > groupsize)
222 WhoWasGroup *a = *(n->begin());
231 /* call maintain once an hour to remove expired nicks */
232 void CommandWhowas::MaintainWhoWas(time_t t)
234 for (whowas_users::iterator iter = whowas.begin(); iter != whowas.end(); iter++)
236 whowas_set* n = (whowas_set*)iter->second;
239 while ((n->begin() != n->end()) && ((*n->begin())->signon < t - ServerInstance->Config->WhoWasMaxKeep))
241 WhoWasGroup *a = *(n->begin());
243 n->erase(n->begin());
249 CommandWhowas::~CommandWhowas()
253 ServerInstance->Timers->DelTimer(timer);
256 whowas_users::iterator iter;
258 while ((fifosize = (int)whowas_fifo.size()) > 0)
260 iter = whowas.find(whowas_fifo[0].second);
262 /* hopefully redundant integrity check, but added while debugging r6216 */
263 if (iter == whowas.end())
265 /* this should never happen, if it does maps are corrupt */
266 ServerInstance->Logs->Log("WHOWAS",DEFAULT, "BUG: Whowas maps got corrupted! (3)");
270 whowas_set* n = (whowas_set*)iter->second;
274 while (n->begin() != n->end())
276 WhoWasGroup *a = *(n->begin());
284 whowas_fifo.pop_front();
288 WhoWasGroup::WhoWasGroup(User* user) : host(user->host), dhost(user->dhost), ident(user->ident),
289 server(user->server), gecos(user->fullname), signon(user->signon)
293 WhoWasGroup::~WhoWasGroup()
297 /* every hour, run this function which removes all entries older than Config->WhoWasMaxKeep */
298 void WhoWasMaintainTimer::Tick(time_t)
300 Module* whowas = ServerInstance->Modules->Find("cmd_whowas.so");
303 WhowasRequest(whowas, whowas, WhowasRequest::WHOWAS_MAINTAIN).Send();
307 class ModuleWhoWas : public Module
311 ModuleWhoWas() : cmd(this)
313 ServerInstance->AddCommand(&cmd);
316 void OnRequest(Request& request)
318 WhowasRequest& req = static_cast<WhowasRequest&>(request);
321 case WhowasRequest::WHOWAS_ADD:
322 cmd.AddToWhoWas(req.user);
324 case WhowasRequest::WHOWAS_STATS:
325 req.value = cmd.GetStats();
327 case WhowasRequest::WHOWAS_PRUNE:
328 cmd.PruneWhoWas(ServerInstance->Time());
330 case WhowasRequest::WHOWAS_MAINTAIN:
331 cmd.MaintainWhoWas(ServerInstance->Time());
338 return Version("WHOWAS Command", VF_VENDOR);
342 MODULE_INIT(ModuleWhoWas)