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