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home » brain » inspircd-cvs » inspircd » src » modules

m_httpd_stats.cpp

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/*       +------------------------------------+
 *       | Inspire Internet Relay Chat Daemon |
 *       +------------------------------------+
 *
 *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
 * See: http://www.inspircd.org/wiki/index.php/Credits
 *
 * This program is free but copyrighted software; see
 *          the file COPYING for details.
 *
 * ---------------------------------------------------
 */

#include "inspircd.h"
#include "httpd.h"
#include "protocol.h"

/* $ModDesc: Provides statistics over HTTP via m_httpd.so */
/* $ModDep: httpd.h */

class ModuleHttpStats : public Module
{
        static std::map<char, char const*> const &entities;
        std::string stylesheet;
        bool changed;

 public:

        void ReadConfig()
        {
                ConfigReader c(ServerInstance);
                this->stylesheet = c.ReadValue("httpstats", "stylesheet", 0);
        }

        ModuleHttpStats(InspIRCd* Me) : Module(Me)
        {
                ReadConfig();
                this->changed = true;
                Implementation eventlist[] = { I_OnEvent, I_OnRequest };
                ServerInstance->Modules->Attach(eventlist, this, 2);
        }

        std::string Sanitize(const std::string &str)
        {
                std::string ret;
                ret.reserve(str.length() * 2);

                for (std::string::const_iterator x = str.begin(); x != str.end(); ++x)
                {
                        std::map<char, char const*>::const_iterator it = entities.find(*x);

                        if (it != entities.end())
                        {
                                ret += '&';
                                ret += it->second;
                                ret += ';';
                        }
                        else if (*x < 32 || *x > 126)
                        {
                                int n = (unsigned char)*x;
                                ret += ("&#" + ConvToStr(n) + ";");
                        }
                        else
                        {
                                ret += *x;
                        }
                }
                return ret;
        }

        void OnEvent(Event* event)
        {
                std::stringstream data("");

                if (event->GetEventID() == "httpd_url")
                {
                        ServerInstance->Logs->Log("m_http_stats", DEBUG,"Handling httpd event");
                        HTTPRequest* http = (HTTPRequest*)event->GetData();

                        if ((http->GetURI() == "/stats") || (http->GetURI() == "/stats/"))
                        {
                                data << "<inspircdstats>";

                                data << "<server><name>" << ServerInstance->Config->ServerName << "</name><gecos>" << Sanitize(ServerInstance->Config->ServerDesc) << "</gecos></server>";

                                data << "<general>";
                                data << "<usercount>" << ServerInstance->Users->clientlist->size() << "</usercount>";
                                data << "<channelcount>" << ServerInstance->chanlist->size() << "</channelcount>";
                                data << "<opercount>" << ServerInstance->Users->all_opers.size() << "</opercount>";
                                data << "<socketcount>" << (ServerInstance->SE->GetMaxFds() - ServerInstance->SE->GetRemainingFds()) << "</socketcount><socketmax>" << ServerInstance->SE->GetMaxFds() << "</socketmax><socketengine>" << ServerInstance->SE->GetName() << "</socketengine>";

                                time_t current_time = 0;
                                current_time = ServerInstance->Time();
                                time_t server_uptime = current_time - ServerInstance->startup_time;
                                struct tm* stime;
                                stime = gmtime(&server_uptime);
                                data << "<uptime><days>" << stime->tm_yday << "</days><hours>" << stime->tm_hour << "</hours><mins>" << stime->tm_min << "</mins><secs>" << stime->tm_sec << "</secs><boot_time_t>" << ServerInstance->startup_time << "</boot_time_t></uptime>";


                                data << "</general>";
                                data << "<modulelist>";
                                std::vector<std::string> module_names = ServerInstance->Modules->GetAllModuleNames(0);

                                for (std::vector<std::string>::iterator i = module_names.begin(); i != module_names.end(); ++i)
                                {
                                        Module* m = ServerInstance->Modules->Find(i->c_str());
                                        Version v = m->GetVersion();
                                        data << "<module><name>" << *i << "</name><version>" << v.version << "</version></module>";
                                }
                                data << "</modulelist>";
                                data << "<channellist>";

                                for (chan_hash::const_iterator a = ServerInstance->chanlist->begin(); a != ServerInstance->chanlist->end(); ++a)
                                {
                                        Channel* c = a->second;

                                        data << "<channel>";
                                        data << "<usercount>" << c->GetUsers()->size() << "</usercount><channelname>" << c->name << "</channelname>";
                                        data << "<channelops>" << c->GetOppedUsers()->size() << "</channelops>";
                                        data << "<channelhalfops>" << c->GetHalfoppedUsers()->size() << "</channelhalfops>";
                                        data << "<channelvoices>" << c->GetVoicedUsers()->size() << "</channelvoices>";
                                        data << "<channeltopic>";
                                        data << "<topictext>" << Sanitize(c->topic) << "</topictext>";
                                        data << "<setby>" << Sanitize(c->setby) << "</setby>";
                                        data << "<settime>" << c->topicset << "</settime>";
                                        data << "</channeltopic>";
                                        data << "<channelmodes>" << Sanitize(c->ChanModes(true)) << "</channelmodes>";
                                        CUList* ulist = c->GetUsers();

                                        for (CUList::iterator x = ulist->begin(); x != ulist->end(); ++x)
                                        {
                                                data << "<channelmember><uid>" << x->first->uuid << "</uid><privs>" << Sanitize(c->GetAllPrefixChars(x->first)) << "</privs></channelmember>";
                                        }

                                        data << "</channel>";
                                }

                                data << "</channellist><userlist>";

                                for (user_hash::const_iterator a = ServerInstance->Users->clientlist->begin(); a != ServerInstance->Users->clientlist->end(); ++a)
                                {
                                        User* u = a->second;

                                        data << "<user>";
                                        data << "<nickname>" << u->nick << "</nickname><uuid>" << u->uuid << "</uuid><realhost>" << u->host << "</realhost><displayhost>" << u->dhost << "</displayhost>";
                                        data << "<gecos>" << Sanitize(u->fullname) << "</gecos><server>" << u->server << "</server><away>" << Sanitize(u->awaymsg) << "</away><opertype>" << Sanitize(u->oper) << "</opertype><modes>";
                                        std::string modes;
                                        for (unsigned char n = 'A'; n <= 'z'; ++n)
                                                if (u->IsModeSet(n))
                                                        modes += n;

                                        data << modes << "</modes><ident>" << Sanitize(u->ident) << "</ident><port>" << u->GetPort() << "</port><ipaddress>" << u->GetIPString() << "</ipaddress>";
                                        data << "</user>";
                                }

                                data << "</userlist><serverlist>";

                                ProtoServerList sl;
                                ServerInstance->PI->GetServerList(sl);

                                for (ProtoServerList::iterator b = sl.begin(); b != sl.end(); ++b)
                                {
                                        data << "<server>";
                                        data << "<servername>" << b->servername << "</servername>";
                                        data << "<parentname>" << b->parentname << "</parentname>";
                                        data << "<gecos>" << b->gecos << "</gecos>";
                                        data << "<usercount>" << b->usercount << "</usercount>";
                                        data << "<opercount>" << b->opercount << "</opercount>";
                                        data << "<lagmillisecs>" << b->latencyms << "</lagmillisecs>";
                                        data << "</server>";
                                }

                                data << "</serverlist>";

                                data << "</inspircdstats>";

                                /* Send the document back to m_httpd */
                                HTTPDocument response(http->sock, &data, 200);
                                response.headers.SetHeader("X-Powered-By", "m_httpd_stats.so");
                                response.headers.SetHeader("Content-Type", "text/xml");
                                Request req((char*)&response, (Module*)this, event->GetSource());
                                req.Send();
                        }
                }
        }

        const char* OnRequest(Request* request)
        {
                return NULL;
        }


        virtual ~ModuleHttpStats()
        {
        }

        virtual Version GetVersion()
        {
                return Version("$Id: m_httpd_stats.cpp 10291 2008-08-25 20:35:51Z w00t $", VF_VENDOR, API_VERSION);
        }
};

static std::map<char, char const*> const &init_entities()
{
        static std::map<char, char const*> entities;
        entities['<'] = "lt";
        entities['>'] = "gt";
        entities['&'] = "amp";
        entities['"'] = "quot";
        return entities;
}

std::map<char, char const*> const &ModuleHttpStats::entities = init_entities ();

MODULE_INIT(ModuleHttpStats)