src/modules/m_httpd_stats.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
   6  *                     E-mail:
   7  *              <brain@chatspike.net>
   8  *                <Craig@chatspike.net>
   9  *
  10  * Written by Craig Edwards, Craig McLure, and others.
  11  * This program is free but copyrighted software; see
  12  *          the file COPYING for details.
  13  *
  14  * ---------------------------------------------------
  15  */
  16
  17 using namespace std;
  18
  19 #include <stdio.h>
  20 #include "users.h"
  21 #include "channels.h"
  22 #include "configreader.h"
  23 #include "modules.h"
  24 #include "inspsocket.h"
  25 #include "helperfuncs.h"
  26 #include "httpd.h"
  27 #include "inspircd.h"
  28
  29 /* $ModDesc: Provides statistics over HTTP via m_httpd.so */
  30
  31 extern std::vector<userrec*> all_opers;
  32 extern InspIRCd* ServerInstance;
  33
  34 typedef std::map<irc::string,int> StatsHash;
  35 typedef StatsHash::iterator StatsIter;
  36
  37 typedef std::vector<std::pair<int,irc::string> > SortedList;
  38 typedef SortedList::iterator SortedIter;
  39
  40 static StatsHash* sh = new StatsHash();
  41 static SortedList* so = new SortedList();
  42
  43 class ModuleHttpStats : public Module
  44 {
  45         Server* Srv;
  46         std::string stylesheet;
  47         bool changed;
  48
  49  public:
  50
  51         void ReadConfig()
  52         {
  53                 ConfigReader c;
  54                 this->stylesheet = c.ReadValue("httpstats", "stylesheet", 0);
  55         }
  56
  57         ModuleHttpStats(Server* Me) : Module::Module(Me)
  58         {
  59                 Srv = Me;
  60                 ReadConfig();
  61                 this->changed = false;
  62         }
  63
  64         void InsertOrder(irc::string channel, int count)
  65         {
  66                 /* This function figures out where in the sorted list to put an item from the hash */
  67                 SortedIter a;
  68                 for (a = so->begin(); a != so->end(); a++)
  69                 {
  70                         /* Found an item equal to or less than, we insert our item before it */
  71                         if (a->first <= count)
  72                         {
  73                                 so->insert(a,std::pair<int,irc::string>(count,channel));
  74                                 return;
  75                         }
  76                 }
  77                 /* There are no items in the list yet, insert something at the beginning */
  78                 so->insert(so->begin(), std::pair<int,irc::string>(count,channel));
  79         }
  80
  81         void SortList()
  82         {
  83                 /* Sorts the hash into the sorted list using an insertion sort */
  84                 so->clear();
  85                 for (StatsIter a = sh->begin(); a != sh->end(); a++)
  86                         InsertOrder(a->first, a->second);
  87                 this->changed = false;
  88         }
  89
  90         void OnEvent(Event* event)
  91         {
  92                 std::stringstream data("");
  93
  94                 if (event->GetEventID() == "httpd_url")
  95                 {
  96                         HTTPRequest* http = (HTTPRequest*)event->GetData();
  97
  98                         if ((http->GetURI() == "/stats") || (http->GetURI() == "/stats/"))
  99                         {
 100                                 data << "<!DOCTYPE html PUBLIC \
 101                                         \"-//W3C//DTD XHTML 1.1//EN\" \
 102                                         \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\">\n\
 103                                         <html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\">";
 104
 105                                 data << "<head>";
 106                                 data << "<link rel='stylesheet' href='" << this->stylesheet << "' type='text/css' />";
 107                                 data << "<title>InspIRCd server statisitics for " << ServerInstance->Config->ServerName << " (" << ServerInstance->Config->ServerDesc << ")</title>";
 108                                 data << "</head><body>";
 109                                 data << "<h1>InspIRCd server statisitics for " << ServerInstance->Config->ServerName << " (" << ServerInstance->Config->ServerDesc << ")</h1>";
 110
 111                                 data << "<div class='totals'>";
 112                                 data << "<h2>Totals</h2>";
 113                                 data << "<table>";
 114                                 data << "<tr><td>Users</td><td>" << ServerInstance->clientlist.size() << "</td></tr>";
 115                                 data << "<tr><td>Channels</td><td>" << ServerInstance->chanlist.size() << "</td></tr>";
 116                                 data << "<tr><td>Opers</td><td>" << all_opers.size() << "</td></tr>";
 117                                 data << "<tr><td>Sockets</td><td>" << (ServerInstance->SE->GetMaxFds() - ServerInstance->SE->GetRemainingFds()) << " (Max: " << ServerInstance->SE->GetMaxFds() << " via socket engine '" << ServerInstance->SE->GetName() << "')</td></tr>";
 118                                 data << "</table>";
 119                                 data << "</div>";
 120
 121                                 data << "<div class='modules'>";
 122                                 data << "<h2>Modules</h2>";
 123                                 data << "<table>";
 124                                 for (int i = 0; i <= ServerInstance->GetModuleCount(); i++)
 125                                 {
 126                                         if (ServerInstance->Config->module_names[i] != "")
 127                                                 data << "<tr><td>" << ServerInstance->Config->module_names[i] << "</td></tr>";
 128                                 }
 129                                 data << "</table>";
 130                                 data << "</div>";
 131
 132                                 data << "<div class='channels'>";
 133                                 data << "<h2>Channels</h2>";
 134                                 data << "<table>";
 135                                 data << "<tr><th>Users</th><th>Name</th><th>@</th><th>%</th><th>+</th><th>Topic</th></tr>";
 136
 137                                 /* If the list has changed since last time it was displayed, re-sort it
 138                                  * this time only (not every time, as this would be moronic)
 139                                  */
 140                                 if (this->changed)
 141                                         this->SortList();
 142
 143                                 int n = 0;
 144                                 for (SortedIter a = so->begin(); ((a != so->end()) && (n < 25)); a++, n++)
 145                                 {
 146                                         chanrec* c = ServerInstance->FindChan(a->second.c_str());
 147                                         if (c)
 148                                         {
 149                                                 data << "<tr><td>" << a->first << "</td><td>" << a->second << "</td>";
 150                                                 data << "<td>" << c->GetOppedUsers()->size() << "</td>";
 151                                                 data << "<td>" << c->GetHalfoppedUsers()->size() << "</td>";
 152                                                 data << "<td>" << c->GetVoicedUsers()->size() << "</td>";
 153                                                 data << "<td>" << c->topic << "</td>";
 154                                                 data << "</tr>";
 155                                         }
 156                                 }
 157
 158                                 data << "</table>";
 159                                 data << "</div>";
 160
 161
 162
 163
 164
 165                                 data << "<div class='validion'>";
 166                                 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>";
 167                                 data << "</div>";
 168
 169                                 data << "</body>";
 170                                 data << "</html>";
 171
 172                                 /* Send the document back to m_httpd */
 173                                 HTTPDocument response(http->sock, &data, 200, "X-Powered-By: m_http_stats.so\r\nContent-Type: text/html; charset=iso-8859-1\r\n");
 174                                 Request req((char*)&response, (Module*)this, event->GetSource());
 175                                 req.Send();
 176
 177                                 log(DEBUG,"Sent");
 178                         }
 179                 }
 180         }
 181
 182         void OnChannelDelete(chanrec* chan)
 183         {
 184                 StatsIter a = sh->find(chan->name);
 185                 if (a != sh->end())
 186                 {
 187                         sh->erase(a);
 188                 }
 189                 this->changed = true;
 190         }
 191
 192         void OnUserJoin(userrec* user, chanrec* channel)
 193         {
 194                 StatsIter a = sh->find(channel->name);
 195                 if (a != sh->end())
 196                 {
 197                         a->second++;
 198                 }
 199                 else
 200                 {
 201                         irc::string name = channel->name;
 202                         sh->insert(std::pair<irc::string,int>(name,1));
 203                 }
 204                 this->changed = true;
 205         }
 206
 207         void OnUserPart(userrec* user, chanrec* channel, const std::string &partmessage)
 208         {
 209                 StatsIter a = sh->find(channel->name);
 210                 if (a != sh->end())
 211                 {
 212                         a->second--;
 213                 }
 214                 this->changed = true;
 215         }
 216
 217         void OnUserQuit(userrec* user, const std::string &message)
 218         {
 219                 for (std::vector<ucrec*>::const_iterator v = user->chans.begin(); v != user->chans.end(); v++)
 220                 {
 221                         if (((ucrec*)(*v))->channel)
 222                         {
 223                                 chanrec* c = ((ucrec*)(*v))->channel;
 224                                 StatsIter a = sh->find(c->name);
 225                                 if (a != sh->end())
 226                                 {
 227                                         a->second--;
 228                                 }
 229                         }
 230                 }
 231                 this->changed = true;
 232         }
 233
 234         char* OnRequest(Request* request)
 235         {
 236                 return NULL;
 237         }
 238
 239         void Implements(char* List)
 240         {
 241                 List[I_OnEvent] = List[I_OnRequest] = List[I_OnChannelDelete] = List[I_OnUserJoin] = List[I_OnUserPart] = List[I_OnUserQuit] = 1;
 242         }
 243
 244         virtual ~ModuleHttpStats()
 245         {
 246                 delete sh;
 247         }
 248
 249         virtual Version GetVersion()
 250         {
 251                 return Version(1,0,0,0,VF_STATIC|VF_VENDOR);
 252         }
 253 };
 254
 255
 256 class ModuleHttpStatsFactory : public ModuleFactory
 257 {
 258  public:
 259         ModuleHttpStatsFactory()
 260         {
 261         }
 262
 263         ~ModuleHttpStatsFactory()
 264         {
 265         }
 266
 267         virtual Module * CreateModule(Server* Me)
 268         {
 269                 return new ModuleHttpStats(Me);
 270         }
 271 };
 272
 273
 274 extern "C" void * init_module( void )
 275 {
 276         return new ModuleHttpStatsFactory;
 277 }