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 "users.h"
  16 #include "channels.h"
  17 #include "configreader.h"
  18 #include "modules.h"
  19 #include "inspsocket.h"
  20 #include "httpd.h"
  21
  22 /* $ModDesc: Provides statistics over HTTP via m_httpd.so */
  23
  24 typedef std::map<irc::string,int> StatsHash;
  25 typedef StatsHash::iterator StatsIter;
  26
  27 typedef std::vector<std::pair<int,irc::string> > SortedList;
  28 typedef SortedList::iterator SortedIter;
  29
  30 static StatsHash* sh = new StatsHash();
  31 static SortedList* so = new SortedList();
  32
  33 class ModuleHttpStats : public Module
  34 {
  35
  36         std::string stylesheet;
  37         bool changed;
  38
  39  public:
  40
  41         void ReadConfig()
  42         {
  43                 ConfigReader c(ServerInstance);
  44                 this->stylesheet = c.ReadValue("httpstats", "stylesheet", 0);
  45         }
  46
  47         ModuleHttpStats(InspIRCd* Me) : Module(Me)
  48         {
  49
  50                 ReadConfig();
  51                 this->changed = false;
  52         }
  53
  54         void InsertOrder(irc::string channel, int count)
  55         {
  56                 /* This function figures out where in the sorted list to put an item from the hash */
  57                 SortedIter a;
  58                 for (a = so->begin(); a != so->end(); a++)
  59                 {
  60                         /* Found an item equal to or less than, we insert our item before it */
  61                         if (a->first <= count)
  62                         {
  63                                 so->insert(a,std::pair<int,irc::string>(count,channel));
  64                                 return;
  65                         }
  66                 }
  67                 /* There are no items in the list yet, insert something at the beginning */
  68                 so->insert(so->begin(), std::pair<int,irc::string>(count,channel));
  69         }
  70
  71         void SortList()
  72         {
  73                 /* Sorts the hash into the sorted list using an insertion sort */
  74                 so->clear();
  75                 for (StatsIter a = sh->begin(); a != sh->end(); a++)
  76                         InsertOrder(a->first, a->second);
  77                 this->changed = false;
  78         }
  79
  80         void OnEvent(Event* event)
  81         {
  82                 std::stringstream data("");
  83
  84                 if (event->GetEventID() == "httpd_url")
  85                 {
  86                         HTTPRequest* http = (HTTPRequest*)event->GetData();
  87
  88                         if ((http->GetURI() == "/stats") || (http->GetURI() == "/stats/"))
  89                         {
  90                                 data << "<!DOCTYPE html PUBLIC \
  91                                         \"-//W3C//DTD XHTML 1.1//EN\" \
  92                                         \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\">\n\
  93                                         <html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\">";
  94
  95                                 data << "<head>";
  96                                 data << "<link rel='stylesheet' href='" << this->stylesheet << "' type='text/css' />";
  97                                 data << "<title>InspIRCd server statisitics for " << ServerInstance->Config->ServerName << " (" << ServerInstance->Config->ServerDesc << ")</title>";
  98                                 data << "</head><body>";
  99                                 data << "<h1>InspIRCd server statisitics for " << ServerInstance->Config->ServerName << " (" << ServerInstance->Config->ServerDesc << ")</h1>";
 100
 101                                 data << "<div class='totals'>";
 102                                 data << "<h2>Totals</h2>";
 103                                 data << "<table>";
 104                                 data << "<tr><td>Users</td><td>" << ServerInstance->clientlist->size() << "</td></tr>";
 105                                 data << "<tr><td>Channels</td><td>" << ServerInstance->chanlist->size() << "</td></tr>";
 106                                 data << "<tr><td>Opers</td><td>" << ServerInstance->all_opers.size() << "</td></tr>";
 107                                 data << "<tr><td>Sockets</td><td>" << (ServerInstance->SE->GetMaxFds() - ServerInstance->SE->GetRemainingFds()) << " (Max: " << ServerInstance->SE->GetMaxFds() << " via socket engine '" << ServerInstance->SE->GetName() << "')</td></tr>";
 108                                 data << "</table>";
 109                                 data << "</div>";
 110
 111                                 data << "<div class='modules'>";
 112                                 data << "<h2>Modules</h2>";
 113                                 data << "<table>";
 114                                 for (int i = 0; i <= ServerInstance->GetModuleCount(); i++)
 115                                 {
 116                                         if (!ServerInstance->Config->module_names[i].empty())
 117                                                 data << "<tr><td>" << ServerInstance->Config->module_names[i] << "</td></tr>";
 118                                 }
 119                                 data << "</table>";
 120                                 data << "</div>";
 121
 122                                 data << "<div class='channels'>";
 123                                 data << "<h2>Channels</h2>";
 124                                 data << "<table>";
 125                                 data << "<tr><th>Users</th><th>Name</th><th>@</th><th>%</th><th>+</th><th>Topic</th></tr>";
 126
 127                                 /* If the list has changed since last time it was displayed, re-sort it
 128                                  * this time only (not every time, as this would be moronic)
 129                                  */
 130                                 if (this->changed)
 131                                         this->SortList();
 132
 133                                 int n = 0;
 134                                 for (SortedIter a = so->begin(); ((a != so->end()) && (n < 25)); a++, n++)
 135                                 {
 136                                         chanrec* c = ServerInstance->FindChan(a->second.c_str());
 137                                         if (c)
 138                                         {
 139                                                 data << "<tr><td>" << a->first << "</td><td>" << a->second << "</td>";
 140                                                 data << "<td>" << c->GetOppedUsers()->size() << "</td>";
 141                                                 data << "<td>" << c->GetHalfoppedUsers()->size() << "</td>";
 142                                                 data << "<td>" << c->GetVoicedUsers()->size() << "</td>";
 143                                                 data << "<td>" << c->topic << "</td>";
 144                                                 data << "</tr>";
 145                                         }
 146                                 }
 147
 148                                 data << "</table>";
 149                                 data << "</div>";
 150
 151
 152
 153
 154
 155                                 data << "<div class='validion'>";
 156                                 data << "<p><a href='http://validator.w3.org/check?uri=referer'><img src='http://www.w3.org/Icons/valid-xhtml11' alt='Valid XHTML 1.1' height='31' width='88' /></a></p>";
 157                                 data << "</div>";
 158
 159                                 data << "</body>";
 160                                 data << "</html>";
 161
 162                                 /* Send the document back to m_httpd */
 163                                 HTTPDocument response(http->sock, &data, 200, "X-Powered-By: m_http_stats.so\r\nContent-Type: text/html; charset=iso-8859-1\r\n");
 164                                 Request req((char*)&response, (Module*)this, event->GetSource());
 165                                 req.Send();
 166                         }
 167                 }
 168         }
 169
 170         void OnChannelDelete(chanrec* chan)
 171         {
 172                 StatsIter a = sh->find(chan->name);
 173                 if (a != sh->end())
 174                 {
 175                         sh->erase(a);
 176                 }
 177                 this->changed = true;
 178         }
 179
 180         void OnUserJoin(userrec* user, chanrec* channel, bool &silent)
 181         {
 182                 StatsIter a = sh->find(channel->name);
 183                 if (a != sh->end())
 184                 {
 185                         a->second++;
 186                 }
 187                 else
 188                 {
 189                         irc::string name = channel->name;
 190                         sh->insert(std::pair<irc::string,int>(name,1));
 191                 }
 192                 this->changed = true;
 193         }
 194
 195         void OnUserPart(userrec* user, chanrec* channel, const std::string &partmessage, bool &silent)
 196         {
 197                 StatsIter a = sh->find(channel->name);
 198                 if (a != sh->end())
 199                 {
 200                         a->second--;
 201                 }
 202                 this->changed = true;
 203         }
 204
 205         void OnUserQuit(userrec* user, const std::string &message, const std::string &oper_message)
 206         {
 207                 for (UCListIter v = user->chans.begin(); v != user->chans.end(); v++)
 208                 {
 209                         chanrec* c = v->first;
 210                         StatsIter a = sh->find(c->name);
 211                         if (a != sh->end())
 212                         {
 213                                 a->second--;
 214                         }
 215                 }
 216                 this->changed = true;
 217         }
 218
 219         char* OnRequest(Request* request)
 220         {
 221                 return NULL;
 222         }
 223
 224         void Implements(char* List)
 225         {
 226                 List[I_OnEvent] = List[I_OnRequest] = List[I_OnChannelDelete] = List[I_OnUserJoin] = List[I_OnUserPart] = List[I_OnUserQuit] = 1;
 227         }
 228
 229         virtual ~ModuleHttpStats()
 230         {
 231                 delete sh;
 232                 delete so;
 233         }
 234
 235         virtual Version GetVersion()
 236         {
 237                 return Version(1, 1, 0, 0, VF_VENDOR, API_VERSION);
 238         }
 239 };
 240
 241 MODULE_INIT(ModuleHttpStats);