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