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 user_hash clientlist;
  32 extern chan_hash chanlist;
  33 extern std::vector<userrec*> all_opers;
  34 extern InspIRCd* ServerInstance;
  35 extern ServerConfig* Config;
  36
  37 extern int MODCOUNT;
  38
  39 typedef std::map<irc::string,int> StatsHash;
  40 typedef StatsHash::iterator StatsIter;
  41
  42 typedef std::vector<std::pair<int,irc::string> > SortedList;
  43 typedef SortedList::iterator SortedIter;
  44
  45 static StatsHash* sh = new StatsHash();
  46 static SortedList* so = new SortedList();
  47
  48 class ModuleHttpStats : public Module
  49 {
  50         Server* Srv;
  51         std::string stylesheet;
  52         bool changed;
  53
  54  public:
  55
  56         void ReadConfig()
  57         {
  58                 ConfigReader c;
  59                 this->stylesheet = c.ReadValue("httpstats", "stylesheet", 0);
  60         }
  61
  62         ModuleHttpStats(Server* Me) : Module::Module(Me)
  63         {
  64                 Srv = Me;
  65                 ReadConfig();
  66                 this->changed = false;
  67         }
  68
  69         void InsertOrder(irc::string channel, int count)
  70         {
  71                 /* This function figures out where in the sorted list to put an item from the hash */
  72                 SortedIter a;
  73                 for (a = so->begin(); a != so->end(); a++)
  74                 {
  75                         /* Found an item equal to or less than, we insert our item before it */
  76                         if (a->first <= count)
  77                         {
  78                                 so->insert(a,std::pair<int,irc::string>(count,channel));
  79                                 return;
  80                         }
  81                 }
  82                 /* There are no items in the list yet, insert something at the beginning */
  83                 so->insert(so->begin(), std::pair<int,irc::string>(count,channel));
  84         }
  85
  86         void SortList()
  87         {
  88                 /* Sorts the hash into the sorted list using an insertion sort */
  89                 so->clear();
  90                 for (StatsIter a = sh->begin(); a != sh->end(); a++)
  91                         InsertOrder(a->first, a->second);
  92                 this->changed = false;
  93         }
  94
  95         void OnEvent(Event* event)
  96         {
  97                 std::stringstream data("");
  98
  99                 if (event->GetEventID() == "httpd_url")
 100                 {
 101                         HTTPRequest* http = (HTTPRequest*)event->GetData();
 102
 103                         if ((http->GetURI() == "/stats") || (http->GetURI() == "/stats/"))
 104                         {
 105                                 data << "<!DOCTYPE html PUBLIC \
 106                                         \"-//W3C//DTD XHTML 1.1//EN\" \
 107                                         \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\">\n\
 108                                         <html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\">";
 109
 110                                 data << "<head>";
 111                                 data << "<link rel='stylesheet' href='" << this->stylesheet << "' type='text/css' />";
 112                                 data << "<title>InspIRCd server statisitics for " << Srv->GetServerName() << " (" << Srv->GetServerDescription() << ")</title>";
 113                                 data << "</head><body>";
 114                                 data << "<h1>InspIRCd server statisitics for " << Srv->GetServerName() << " (" << Srv->GetServerDescription() << ")</h1>";
 115
 116                                 data << "<div class='totals'>";
 117                                 data << "<h2>Totals</h2>";
 118                                 data << "<table>";
 119                                 data << "<tr><td>Users</td><td>" << clientlist.size() << "</td></tr>";
 120                                 data << "<tr><td>Channels</td><td>" << chanlist.size() << "</td></tr>";
 121                                 data << "<tr><td>Opers</td><td>" << all_opers.size() << "</td></tr>";
 122                                 data << "<tr><td>Sockets</td><td>" << (ServerInstance->SE->GetMaxFds() - ServerInstance->SE->GetRemainingFds()) << " (Max: " << ServerInstance->SE->GetMaxFds() << " via socket engine '" << ServerInstance->SE->GetName() << "')</td></tr>";
 123                                 data << "</table>";
 124                                 data << "</div>";
 125
 126                                 data << "<div class='modules'>";
 127                                 data << "<h2>Modules</h2>";
 128                                 data << "<table>";
 129                                 for (int i = 0; i <= MODCOUNT; i++)
 130                                 {
 131                                         if (Config->module_names[i] != "")
 132                                                 data << "<tr><td>" << Config->module_names[i] << "</td></tr>";
 133                                 }
 134                                 data << "</table>";
 135                                 data << "</div>";
 136
 137                                 data << "<div class='channels'>";
 138                                 data << "<h2>Channels</h2>";
 139                                 data << "<table>";
 140                                 data << "<tr><th>Users</th><th>Name</th><th>@</th><th>%</th><th>+</th><th>Topic</th></tr>";
 141
 142                                 /* If the list has changed since last time it was displayed, re-sort it
 143                                  * this time only (not every time, as this would be moronic)
 144                                  */
 145                                 if (this->changed)
 146                                         this->SortList();
 147
 148                                 int n = 0;
 149                                 for (SortedIter a = so->begin(); ((a != so->end()) && (n < 25)); a++, n++)
 150                                 {
 151                                         chanrec* c = Srv->FindChannel(a->second.c_str());
 152                                         if (c)
 153                                         {
 154                                                 data << "<tr><td>" << a->first << "</td><td>" << a->second << "</td>";
 155                                                 data << "<td>" << c->GetOppedUsers()->size() << "</td>";
 156                                                 data << "<td>" << c->GetHalfoppedUsers()->size() << "</td>";
 157                                                 data << "<td>" << c->GetVoicedUsers()->size() << "</td>";
 158                                                 data << "<td>" << c->topic << "</td>";
 159                                                 data << "</tr>";
 160                                         }
 161                                 }
 162
 163                                 data << "</table>";
 164                                 data << "</div>";
 165
 166
 167
 168
 169
 170                                 data << "<div class='validion'>";
 171                                 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>";
 172                                 data << "</div>";
 173
 174                                 data << "</body>";
 175                                 data << "</html>";
 176
 177                                 /* Send the document back to m_httpd */
 178                                 HTTPDocument response(http->sock, &data, 200, "X-Powered-By: m_http_stats.so\r\nContent-Type: text/html; charset=iso-8859-1\r\n");
 179                                 Request req((char*)&response, (Module*)this, event->GetSource());
 180                                 req.Send();
 181
 182                                 log(DEBUG,"Sent");
 183                         }
 184                 }
 185         }
 186
 187         void OnChannelDelete(chanrec* chan)
 188         {
 189                 StatsIter a = sh->find(chan->name);
 190                 if (a != sh->end())
 191                 {
 192                         sh->erase(a);
 193                 }
 194                 this->changed = true;
 195         }
 196
 197         void OnUserJoin(userrec* user, chanrec* channel)
 198         {
 199                 StatsIter a = sh->find(channel->name);
 200                 if (a != sh->end())
 201                 {
 202                         a->second++;
 203                 }
 204                 else
 205                 {
 206                         irc::string name = channel->name;
 207                         sh->insert(std::pair<irc::string,int>(name,1));
 208                 }
 209                 this->changed = true;
 210         }
 211
 212         void OnUserPart(userrec* user, chanrec* channel, const std::string &partmessage)
 213         {
 214                 StatsIter a = sh->find(channel->name);
 215                 if (a != sh->end())
 216                 {
 217                         a->second--;
 218                 }
 219                 this->changed = true;
 220         }
 221
 222         void OnUserQuit(userrec* user, const std::string &message)
 223         {
 224                 for (std::vector<ucrec*>::const_iterator v = user->chans.begin(); v != user->chans.end(); v++)
 225                 {
 226                         if (((ucrec*)(*v))->channel)
 227                         {
 228                                 chanrec* c = ((ucrec*)(*v))->channel;
 229                                 StatsIter a = sh->find(c->name);
 230                                 if (a != sh->end())
 231                                 {
 232                                         a->second--;
 233                                 }
 234                         }
 235                 }
 236                 this->changed = true;
 237         }
 238
 239         char* OnRequest(Request* request)
 240         {
 241                 return NULL;
 242         }
 243
 244         void Implements(char* List)
 245         {
 246                 List[I_OnEvent] = List[I_OnRequest] = List[I_OnChannelDelete] = List[I_OnUserJoin] = List[I_OnUserPart] = List[I_OnUserQuit] = 1;
 247         }
 248
 249         virtual ~ModuleHttpStats()
 250         {
 251                 delete sh;
 252         }
 253
 254         virtual Version GetVersion()
 255         {
 256                 return Version(1,0,0,0,VF_STATIC|VF_VENDOR);
 257         }
 258 };
 259
 260
 261 class ModuleHttpStatsFactory : public ModuleFactory
 262 {
 263  public:
 264         ModuleHttpStatsFactory()
 265         {
 266         }
 267
 268         ~ModuleHttpStatsFactory()
 269         {
 270         }
 271
 272         virtual Module * CreateModule(Server* Me)
 273         {
 274                 return new ModuleHttpStats(Me);
 275         }
 276 };
 277
 278
 279 extern "C" void * init_module( void )
 280 {
 281         return new ModuleHttpStatsFactory;
 282 }