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