src/modules/m_httpd_stats.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *          the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 #include "inspircd.h"
  15 #include "httpd.h"
  16
  17 /* $ModDesc: Provides statistics over HTTP via m_httpd.so */
  18 /* $ModDep: httpd.h */
  19
  20 typedef std::map<irc::string,int> StatsHash;
  21 typedef StatsHash::iterator StatsIter;
  22
  23 typedef std::vector<std::pair<int,irc::string> > SortedList;
  24 typedef SortedList::iterator SortedIter;
  25
  26 static StatsHash* sh = new StatsHash();
  27 static SortedList* so = new SortedList();
  28
  29 static StatsHash* Servers = new StatsHash();
  30
  31 class ModuleHttpStats : public Module
  32 {
  33
  34         std::string stylesheet;
  35         bool changed;
  36
  37  public:
  38
  39         void ReadConfig()
  40         {
  41                 ConfigReader c(ServerInstance);
  42                 this->stylesheet = c.ReadValue("httpstats", "stylesheet", 0);
  43         }
  44
  45         ModuleHttpStats(InspIRCd* Me) : Module(Me)
  46         {
  47                 ReadConfig();
  48                 this->changed = true;
  49                 Implementation eventlist[] = { I_OnEvent, I_OnRequest, I_OnChannelDelete, I_OnUserJoin, I_OnUserPart, I_OnUserQuit };
  50                 ServerInstance->Modules->Attach(eventlist, this, 6);
  51         }
  52
  53         void InsertOrder(irc::string channel, int count)
  54         {
  55                 /* This function figures out where in the sorted list to put an item from the hash */
  56                 SortedIter a;
  57                 for (a = so->begin(); a != so->end(); a++)
  58                 {
  59                         /* Found an item equal to or less than, we insert our item before it */
  60                         if (a->first <= count)
  61                         {
  62                                 so->insert(a,std::pair<int,irc::string>(count,channel));
  63                                 return;
  64                         }
  65                 }
  66                 /* There are no items in the list yet, insert something at the beginning */
  67                 so->insert(so->begin(), std::pair<int,irc::string>(count,channel));
  68         }
  69
  70         void SortList()
  71         {
  72                 /* Sorts the hash into the sorted list using an insertion sort */
  73                 so->clear();
  74                 for (StatsIter a = sh->begin(); a != sh->end(); a++)
  75                         InsertOrder(a->first, a->second);
  76                 for (user_hash::iterator u = ServerInstance->Users->clientlist->begin(); u != ServerInstance->Users->clientlist->end(); u++)
  77                 {
  78                         StatsHash::iterator n = Servers->find(u->second->server);
  79                         if (n != Servers->end())
  80                         {
  81                                 n->second++;
  82                         }
  83                         else
  84                         {
  85                                 Servers->insert(std::make_pair<irc::string,int>(u->second->server,1));
  86                         }
  87                 }
  88                 this->changed = false;
  89         }
  90
  91         void OnEvent(Event* event)
  92         {
  93                 std::stringstream data("");
  94
  95                 if (event->GetEventID() == "httpd_url")
  96                 {
  97                         ServerInstance->Logs->Log("m_http_stats", DEBUG,"Handling httpd event");
  98                         HTTPRequest* http = (HTTPRequest*)event->GetData();
  99
 100                         if ((http->GetURI() == "/stats") || (http->GetURI() == "/stats/"))
 101                         {
 102                                 data << "<inspircdstats>";
 103
 104                                 data << "<server><name>" << ServerInstance->Config->ServerName << "</name><gecos>" << ServerInstance->Config->ServerDesc << "</gecos></server>";
 105
 106                                 data << "<general>";
 107                                 data << "<usercount>" << ServerInstance->Users->clientlist->size() << "</usercount>";
 108                                 data << "<channelcount>" << ServerInstance->chanlist->size() << "</channelcount>";
 109                                 data << "<opercount>" << ServerInstance->Users->all_opers.size() << "</opercount>";
 110                                 data << "<socketcount>" << (ServerInstance->SE->GetMaxFds() - ServerInstance->SE->GetRemainingFds()) << "</socketcount><socketmax>" << ServerInstance->SE->GetMaxFds() <<
 111                                         "</socketmax><socketengine>" << ServerInstance->SE->GetName() << "</socketengine>";
 112
 113                                 time_t current_time = 0;
 114                                 current_time = ServerInstance->Time();
 115                                 time_t server_uptime = current_time - ServerInstance->startup_time;
 116                                 struct tm* stime;
 117                                 stime = gmtime(&server_uptime);
 118                                 data << "<uptime><days>" << stime->tm_yday << "</days><hours>" << stime->tm_hour << "</hours><mins>" << stime->tm_min << "</mins><secs>" << stime->tm_sec << "</secs></uptime>";
 119
 120
 121                                 data << "</general>";
 122                                 data << "<modulelist>";
 123                                 std::vector<std::string> module_names = ServerInstance->Modules->GetAllModuleNames(0);
 124                                 for (std::vector<std::string>::iterator i = module_names.begin(); i != module_names.end(); ++i)
 125                                 {
 126                                         Module* m = ServerInstance->Modules->Find(i->c_str());
 127                                         Version v = m->GetVersion();
 128                                         data << "<module><name>" << *i << "</name><version>" << v.Major << "." <<  v.Minor << "." << v.Revision << "." << v.Build << "</version></module>";
 129                                 }
 130                                 data << "</modulelist>";
 131
 132                                 data << "<channellist>";
 133                                 /* If the list has changed since last time it was displayed, re-sort it
 134                                  * this time only (not every time, as this would be moronic)
 135                                  */
 136                                 if (this->changed)
 137                                         this->SortList();
 138
 139                                 for (SortedIter a = so->begin(); a != so->end(); a++)
 140                                 {
 141                                         Channel* c = ServerInstance->FindChan(a->second.c_str());
 142                                         if (c && !c->IsModeSet('s') && !c->IsModeSet('p'))
 143                                         {
 144                                                 data << "<channel>";
 145                                                 data << "<usercount>" << c->GetUsers()->size() << "</usercount><channelname>" << c->name << "</channelname>";
 146                                                 data << "<channelops>" << c->GetOppedUsers()->size() << "</channelops>";
 147                                                 data << "<channelhalfops>" << c->GetHalfoppedUsers()->size() << "</channelhalfops>";
 148                                                 data << "<channelvoices>" << c->GetVoicedUsers()->size() << "</channelvoices>";
 149                                                 data << "<channeltopic>" << c->topic << "</channeltopic>";
 150                                                 data << "<channelmodes>" << c->ChanModes(false) << "</channelmodes>";
 151                                                 data << "</channel>";
 152                                         }
 153                                 }
 154
 155                                 data << "</channellist>";
 156
 157                                 data << "<serverlist>";
 158
 159                                 for (StatsHash::iterator b = Servers->begin(); b != Servers->end(); b++)
 160                                 {
 161                                         data << "<server>";
 162                                         data << "<servername>" << b->first << "</servername>";
 163                                         data << "<usercount>" << b->second << "</usercount>";
 164                                         data << "</server>";
 165                                 }
 166                                 data << "</serverlist>";
 167
 168                                 data << "</inspircdstats>";
 169
 170                                 /* Send the document back to m_httpd */
 171                                 HTTPDocument response(http->sock, &data, 200);
 172                                 response.headers.SetHeader("X-Powered-By", "m_httpd_stats.so");
 173                                 response.headers.SetHeader("Content-Type", "text/xml");
 174                                 Request req((char*)&response, (Module*)this, event->GetSource());
 175                                 req.Send();
 176                         }
 177                 }
 178         }
 179
 180         void OnChannelDelete(Channel* chan)
 181         {
 182                 StatsIter a = sh->find(chan->name);
 183                 if (a != sh->end())
 184                 {
 185                         sh->erase(a);
 186                 }
 187                 this->changed = true;
 188         }
 189
 190         void OnUserJoin(User* user, Channel* channel, bool sync, bool &silent)
 191         {
 192                 StatsIter a = sh->find(channel->name);
 193                 if (a != sh->end())
 194                 {
 195                         a->second++;
 196                 }
 197                 else
 198                 {
 199                         irc::string name = channel->name;
 200                         sh->insert(std::pair<irc::string,int>(name,1));
 201                 }
 202                 this->changed = true;
 203         }
 204
 205         void OnUserPart(User* user, Channel* channel, const std::string &partmessage, bool &silent)
 206         {
 207                 StatsIter a = sh->find(channel->name);
 208                 if (a != sh->end())
 209                 {
 210                         a->second--;
 211                 }
 212                 this->changed = true;
 213         }
 214
 215         void OnUserQuit(User* user, const std::string &message, const std::string &oper_message)
 216         {
 217                 for (UCListIter v = user->chans.begin(); v != user->chans.end(); v++)
 218                 {
 219                         Channel* c = v->first;
 220                         StatsIter a = sh->find(c->name);
 221                         if (a != sh->end())
 222                         {
 223                                 a->second--;
 224                         }
 225                 }
 226                 this->changed = true;
 227         }
 228
 229         const char* OnRequest(Request* request)
 230         {
 231                 return NULL;
 232         }
 233
 234
 235         virtual ~ModuleHttpStats()
 236         {
 237                 delete sh;
 238                 delete so;
 239         }
 240
 241         virtual Version GetVersion()
 242         {
 243                 return Version(1, 2, 0, 0, VF_VENDOR, API_VERSION);
 244         }
 245 };
 246
 247 MODULE_INIT(ModuleHttpStats)