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 <stdio.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 #include "inspircd.h"
  22
  23 /* $ModDesc: Provides statistics over HTTP via m_httpd.so */
  24
  25 typedef std::map<irc::string,int> StatsHash;
  26 typedef StatsHash::iterator StatsIter;
  27
  28 typedef std::vector<std::pair<int,irc::string> > SortedList;
  29 typedef SortedList::iterator SortedIter;
  30
  31 static StatsHash* sh = new StatsHash();
  32 static SortedList* so = new SortedList();
  33
  34 class ModuleHttpStats : public Module
  35 {
  36
  37         std::string stylesheet;
  38         bool changed;
  39
  40  public:
  41
  42         void ReadConfig()
  43         {
  44                 ConfigReader c(ServerInstance);
  45                 this->stylesheet = c.ReadValue("httpstats", "stylesheet", 0);
  46         }
  47
  48         ModuleHttpStats(InspIRCd* Me) : Module::Module(Me)
  49         {
  50
  51                 ReadConfig();
  52                 this->changed = false;
  53         }
  54
  55         void InsertOrder(irc::string channel, int count)
  56         {
  57                 /* This function figures out where in the sorted list to put an item from the hash */
  58                 SortedIter a;
  59                 for (a = so->begin(); a != so->end(); a++)
  60                 {
  61                         /* Found an item equal to or less than, we insert our item before it */
  62                         if (a->first <= count)
  63                         {
  64                                 so->insert(a,std::pair<int,irc::string>(count,channel));
  65                                 return;
  66                         }
  67                 }
  68                 /* There are no items in the list yet, insert something at the beginning */
  69                 so->insert(so->begin(), std::pair<int,irc::string>(count,channel));
  70         }
  71
  72         void SortList()
  73         {
  74                 /* Sorts the hash into the sorted list using an insertion sort */
  75                 so->clear();
  76                 for (StatsIter a = sh->begin(); a != sh->end(); a++)
  77                         InsertOrder(a->first, a->second);
  78                 this->changed = false;
  79         }
  80
  81         void OnEvent(Event* event)
  82         {
  83                 std::stringstream data("");
  84
  85                 if (event->GetEventID() == "httpd_url")
  86                 {
  87                         HTTPRequest* http = (HTTPRequest*)event->GetData();
  88
  89                         if ((http->GetURI() == "/stats") || (http->GetURI() == "/stats/"))
  90                         {
  91                                 data << "<!DOCTYPE html PUBLIC \
  92                                         \"-//W3C//DTD XHTML 1.1//EN\" \
  93                                         \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\">\n\
  94                                         <html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\">";
  95
  96                                 data << "<head>";
  97                                 data << "<link rel='stylesheet' href='" << this->stylesheet << "' type='text/css' />";
  98                                 data << "<title>InspIRCd server statisitics for " << ServerInstance->Config->ServerName << " (" << ServerInstance->Config->ServerDesc << ")</title>";
  99                                 data << "</head><body>";
 100                                 data << "<h1>InspIRCd server statisitics for " << ServerInstance->Config->ServerName << " (" << ServerInstance->Config->ServerDesc << ")</h1>";
 101
 102                                 data << "<div class='totals'>";
 103                                 data << "<h2>Totals</h2>";
 104                                 data << "<table>";
 105                                 data << "<tr><td>Users</td><td>" << ServerInstance->clientlist->size() << "</td></tr>";
 106                                 data << "<tr><td>Channels</td><td>" << ServerInstance->chanlist->size() << "</td></tr>";
 107                                 data << "<tr><td>Opers</td><td>" << ServerInstance->all_opers.size() << "</td></tr>";
 108                                 data << "<tr><td>Sockets</td><td>" << (ServerInstance->SE->GetMaxFds() - ServerInstance->SE->GetRemainingFds()) << " (Max: " << ServerInstance->SE->GetMaxFds() << " via socket engine '" << ServerInstance->SE->GetName() << "')</td></tr>";
 109                                 data << "</table>";
 110                                 data << "</div>";
 111
 112                                 data << "<div class='modules'>";
 113                                 data << "<h2>Modules</h2>";
 114                                 data << "<table>";
 115                                 for (int i = 0; i <= ServerInstance->GetModuleCount(); i++)
 116                                 {
 117                                         if (ServerInstance->Config->module_names[i] != "")
 118                                                 data << "<tr><td>" << ServerInstance->Config->module_names[i] << "</td></tr>";
 119                                 }
 120                                 data << "</table>";
 121                                 data << "</div>";
 122
 123                                 data << "<div class='channels'>";
 124                                 data << "<h2>Channels</h2>";
 125                                 data << "<table>";
 126                                 data << "<tr><th>Users</th><th>Name</th><th>@</th><th>%</th><th>+</th><th>Topic</th></tr>";
 127
 128                                 /* If the list has changed since last time it was displayed, re-sort it
 129                                  * this time only (not every time, as this would be moronic)
 130                                  */
 131                                 if (this->changed)
 132                                         this->SortList();
 133
 134                                 int n = 0;
 135                                 for (SortedIter a = so->begin(); ((a != so->end()) && (n < 25)); a++, n++)
 136                                 {
 137                                         chanrec* c = ServerInstance->FindChan(a->second.c_str());
 138                                         if (c)
 139                                         {
 140                                                 data << "<tr><td>" << a->first << "</td><td>" << a->second << "</td>";
 141                                                 data << "<td>" << c->GetOppedUsers()->size() << "</td>";
 142                                                 data << "<td>" << c->GetHalfoppedUsers()->size() << "</td>";
 143                                                 data << "<td>" << c->GetVoicedUsers()->size() << "</td>";
 144                                                 data << "<td>" << c->topic << "</td>";
 145                                                 data << "</tr>";
 146                                         }
 147                                 }
 148
 149                                 data << "</table>";
 150                                 data << "</div>";
 151
 152
 153
 154
 155
 156                                 data << "<div class='validion'>";
 157                                 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>";
 158                                 data << "</div>";
 159
 160                                 data << "</body>";
 161                                 data << "</html>";
 162
 163                                 /* Send the document back to m_httpd */
 164                                 HTTPDocument response(http->sock, &data, 200, "X-Powered-By: m_http_stats.so\r\nContent-Type: text/html; charset=iso-8859-1\r\n");
 165                                 Request req((char*)&response, (Module*)this, event->GetSource());
 166                                 req.Send();
 167                         }
 168                 }
 169         }
 170
 171         void OnChannelDelete(chanrec* chan)
 172         {
 173                 StatsIter a = sh->find(chan->name);
 174                 if (a != sh->end())
 175                 {
 176                         sh->erase(a);
 177                 }
 178                 this->changed = true;
 179         }
 180
 181         void OnUserJoin(userrec* user, chanrec* channel)
 182         {
 183                 StatsIter a = sh->find(channel->name);
 184                 if (a != sh->end())
 185                 {
 186                         a->second++;
 187                 }
 188                 else
 189                 {
 190                         irc::string name = channel->name;
 191                         sh->insert(std::pair<irc::string,int>(name,1));
 192                 }
 193                 this->changed = true;
 194         }
 195
 196         void OnUserPart(userrec* user, chanrec* channel, const std::string &partmessage)
 197         {
 198                 StatsIter a = sh->find(channel->name);
 199                 if (a != sh->end())
 200                 {
 201                         a->second--;
 202                 }
 203                 this->changed = true;
 204         }
 205
 206         void OnUserQuit(userrec* user, const std::string &message, const std::string &oper_message)
 207         {
 208                 for (UCListIter v = user->chans.begin(); v != user->chans.end(); v++)
 209                 {
 210                         chanrec* c = v->first;
 211                         StatsIter a = sh->find(c->name);
 212                         if (a != sh->end())
 213                         {
 214                                 a->second--;
 215                         }
 216                 }
 217                 this->changed = true;
 218         }
 219
 220         char* OnRequest(Request* request)
 221         {
 222                 return NULL;
 223         }
 224
 225         void Implements(char* List)
 226         {
 227                 List[I_OnEvent] = List[I_OnRequest] = List[I_OnChannelDelete] = List[I_OnUserJoin] = List[I_OnUserPart] = List[I_OnUserQuit] = 1;
 228         }
 229
 230         virtual ~ModuleHttpStats()
 231         {
 232                 delete sh;
 233                 delete so;
 234         }
 235
 236         virtual Version GetVersion()
 237         {
 238                 return Version(1, 1, 0, 0, VF_VENDOR, API_VERSION);
 239         }
 240 };
 241
 242
 243 class ModuleHttpStatsFactory : public ModuleFactory
 244 {
 245  public:
 246         ModuleHttpStatsFactory()
 247         {
 248         }
 249
 250         ~ModuleHttpStatsFactory()
 251         {
 252         }
 253
 254         virtual Module * CreateModule(InspIRCd* Me)
 255         {
 256                 return new ModuleHttpStats(Me);
 257         }
 258 };
 259
 260
 261 extern "C" void * init_module( void )
 262 {
 263         return new ModuleHttpStatsFactory;
 264 }