src/modules/m_httpd_stats.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2007 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->clientlist->begin(); u != ServerInstance->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                         HTTPRequest* http = (HTTPRequest*)event->GetData();
  98
  99                         if ((http->GetURI() == "/stats") || (http->GetURI() == "/stats/"))
 100                         {
 101                                 data << "<inspircdstats>";
 102
 103                                 data << "<server><name>" << ServerInstance->Config->ServerName << "</name><gecos>" << ServerInstance->Config->ServerDesc << "</gecos></server>";
 104
 105                                 data << "<general>";
 106                                 data << "<usercount>" << ServerInstance->clientlist->size() << "</usercount>";
 107                                 data << "<channelcount>" << ServerInstance->chanlist->size() << "</channelcount>";
 108                                 data << "<opercount>" << ServerInstance->all_opers.size() << "</opercount>";
 109                                 data << "<socketcount>" << (ServerInstance->SE->GetMaxFds() - ServerInstance->SE->GetRemainingFds()) << "</socketcount><socketmax>" << ServerInstance->SE->GetMaxFds() <<
 110                                         "</socketmax><socketengine>" << ServerInstance->SE->GetName() << "</socketengine>";
 111
 112                                 time_t current_time = 0;
 113                                 current_time = ServerInstance->Time();
 114                                 time_t server_uptime = current_time - ServerInstance->startup_time;
 115                                 struct tm* stime;
 116                                 stime = gmtime(&server_uptime);
 117                                 data << "<uptime><days>" << stime->tm_yday << "</days><hours>" << stime->tm_hour << "</hours><mins>" << stime->tm_min << "</mins><secs>" << stime->tm_sec << "</secs></uptime>";
 118
 119
 120                                 data << "</general>";
 121                                 data << "<modulelist>";
 122                                 /* XXX FIXME
 123                                  * for (int i = 0; i <= ServerInstance->Modules->GetCount(); i++)
 124                                 {
 125                                         if (!ServerInstance->Config->module_names[i].empty())
 126                                         {
 127                                                 Version v = ServerInstance->Modules->modules[i]->GetVersion();
 128                                                 data << "<module><name>" << ServerInstance->Config->module_names[i] << "</name><version>" <<
 129                                                         v.Major << "." <<  v.Minor << "." << v.Revision << "." << v.Build << "</version></module>";
 130                                         }
 131                                 }
 132                                 */
 133                                 data << "</modulelist>";
 134
 135                                 data << "<channellist>";
 136                                 /* If the list has changed since last time it was displayed, re-sort it
 137                                  * this time only (not every time, as this would be moronic)
 138                                  */
 139                                 if (this->changed)
 140                                         this->SortList();
 141
 142                                 for (SortedIter a = so->begin(); a != so->end(); a++)
 143                                 {
 144                                         Channel* c = ServerInstance->FindChan(a->second.c_str());
 145                                         if (c && !c->IsModeSet('s') && !c->IsModeSet('p'))
 146                                         {
 147                                                 data << "<channel>";
 148                                                 data << "<usercount>" << c->GetUsers()->size() << "</usercount><channelname>" << c->name << "</channelname>";
 149                                                 data << "<channelops>" << c->GetOppedUsers()->size() << "</channelops>";
 150                                                 data << "<channelhalfops>" << c->GetHalfoppedUsers()->size() << "</channelhalfops>";
 151                                                 data << "<channelvoices>" << c->GetVoicedUsers()->size() << "</channelvoices>";
 152                                                 data << "<channeltopic>" << c->topic << "</channeltopic>";
 153                                                 data << "<channelmodes>" << c->ChanModes(false) << "</channelmodes>";
 154                                                 data << "</channel>";
 155                                         }
 156                                 }
 157
 158                                 data << "</channellist>";
 159
 160                                 data << "<serverlist>";
 161
 162                                 for (StatsHash::iterator b = Servers->begin(); b != Servers->end(); b++)
 163                                 {
 164                                         data << "<server>";
 165                                         data << "<servername>" << b->first << "</servername>";
 166                                         data << "<usercount>" << b->second << "</usercount>";
 167                                         data << "</server>";
 168                                 }
 169                                 data << "</serverlist>";
 170
 171                                 data << "</inspircdstats>";
 172
 173                                 /* Send the document back to m_httpd */
 174                                 HTTPDocument response(http->sock, &data, 200);
 175                                 response.headers.SetHeader("X-Powered-By", "m_httpd_stats.so");
 176                                 response.headers.SetHeader("Content-Type", "text/xml");
 177                                 Request req((char*)&response, (Module*)this, event->GetSource());
 178                                 req.Send();
 179                         }
 180                 }
 181         }
 182
 183         void OnChannelDelete(Channel* chan)
 184         {
 185                 StatsIter a = sh->find(chan->name);
 186                 if (a != sh->end())
 187                 {
 188                         sh->erase(a);
 189                 }
 190                 this->changed = true;
 191         }
 192
 193         void OnUserJoin(User* user, Channel* channel, bool &silent)
 194         {
 195                 StatsIter a = sh->find(channel->name);
 196                 if (a != sh->end())
 197                 {
 198                         a->second++;
 199                 }
 200                 else
 201                 {
 202                         irc::string name = channel->name;
 203                         sh->insert(std::pair<irc::string,int>(name,1));
 204                 }
 205                 this->changed = true;
 206         }
 207
 208         void OnUserPart(User* user, Channel* channel, const std::string &partmessage, bool &silent)
 209         {
 210                 StatsIter a = sh->find(channel->name);
 211                 if (a != sh->end())
 212                 {
 213                         a->second--;
 214                 }
 215                 this->changed = true;
 216         }
 217
 218         void OnUserQuit(User* user, const std::string &message, const std::string &oper_message)
 219         {
 220                 for (UCListIter v = user->chans.begin(); v != user->chans.end(); v++)
 221                 {
 222                         Channel* c = v->first;
 223                         StatsIter a = sh->find(c->name);
 224                         if (a != sh->end())
 225                         {
 226                                 a->second--;
 227                         }
 228                 }
 229                 this->changed = true;
 230         }
 231
 232         char* OnRequest(Request* request)
 233         {
 234                 return NULL;
 235         }
 236
 237         void Implements(char* List)
 238         {
 239                 List[I_OnEvent] = List[I_OnRequest] = List[I_OnChannelDelete] = List[I_OnUserJoin] = List[I_OnUserPart] = List[I_OnUserQuit] = 1;
 240         }
 241
 242         virtual ~ModuleHttpStats()
 243         {
 244                 delete sh;
 245                 delete so;
 246         }
 247
 248         virtual Version GetVersion()
 249         {
 250                 return Version(1, 1, 0, 0, VF_VENDOR, API_VERSION);
 251         }
 252 };
 253
 254 MODULE_INIT(ModuleHttpStats)