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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
*
* This file is part of InspIRCd. InspIRCd is free software: you can
* redistribute it and/or modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation, version 2.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "inspircd.h"
struct LusersCounters
{
unsigned int max_local;
unsigned int max_global;
unsigned int invisible;
LusersCounters(unsigned int inv)
: max_local(ServerInstance->Users->LocalUserCount())
, max_global(ServerInstance->Users->RegisteredUserCount())
, invisible(inv)
{
}
inline void UpdateMaxUsers()
{
unsigned int current = ServerInstance->Users->LocalUserCount();
if (current > max_local)
max_local = current;
current = ServerInstance->Users->RegisteredUserCount();
if (current > max_global)
max_global = current;
}
};
/** Handle /LUSERS. These command handlers can be reloaded by the core,
* and handle basic RFC1459 commands. Commands within modules work
* the same way, however, they can be fully unloaded, where these
* may not.
*/
class CommandLusers : public Command
{
LusersCounters& counters;
public:
/** Constructor for lusers.
*/
CommandLusers(Module* parent, LusersCounters& Counters)
: Command(parent,"LUSERS",0,0), counters(Counters)
{ }
/** Handle command.
* @param parameters The parameters to the comamnd
* @param pcnt The number of parameters passed to teh command
* @param user The user issuing the command
* @return A value from CmdResult to indicate command success or failure.
*/
CmdResult Handle(const std::vector<std::string>& parameters, User *user);
};
/** Handle /LUSERS
*/
CmdResult CommandLusers::Handle (const std::vector<std::string>&, User *user)
{
unsigned int n_users = ServerInstance->Users->RegisteredUserCount();
ProtocolInterface::ServerList serverlist;
ServerInstance->PI->GetServerList(serverlist);
unsigned int n_serv = serverlist.size();
unsigned int n_local_servs = 0;
for (ProtocolInterface::ServerList::const_iterator i = serverlist.begin(); i != serverlist.end(); ++i)
{
if (i->parentname == ServerInstance->Config->ServerName)
n_local_servs++;
}
// fix for default GetServerList not returning us
if (!n_serv)
n_serv = 1;
counters.UpdateMaxUsers();
user->WriteNumeric(251, "%s :There are %d users and %d invisible on %d servers",user->nick.c_str(),
n_users - counters.invisible, counters.invisible, n_serv);
if (ServerInstance->Users->OperCount())
user->WriteNumeric(252, "%s %d :operator(s) online",user->nick.c_str(),ServerInstance->Users->OperCount());
if (ServerInstance->Users->UnregisteredUserCount())
user->WriteNumeric(253, "%s %d :unknown connections",user->nick.c_str(),ServerInstance->Users->UnregisteredUserCount());
user->WriteNumeric(254, "%s %ld :channels formed",user->nick.c_str(),ServerInstance->ChannelCount());
user->WriteNumeric(255, "%s :I have %d clients and %d servers",user->nick.c_str(),ServerInstance->Users->LocalUserCount(),n_local_servs);
user->WriteNumeric(265, "%s :Current Local Users: %d Max: %d", user->nick.c_str(), ServerInstance->Users->LocalUserCount(), counters.max_local);
user->WriteNumeric(266, "%s :Current Global Users: %d Max: %d", user->nick.c_str(), n_users, counters.max_global);
return CMD_SUCCESS;
}
class InvisibleWatcher : public ModeWatcher
{
unsigned int& invisible;
public:
InvisibleWatcher(Module* mod, unsigned int& Invisible)
: ModeWatcher(mod, "invisible", MODETYPE_USER), invisible(Invisible)
{
}
void AfterMode(User* source, User* dest, Channel* channel, const std::string& parameter, bool adding)
{
if (dest->registered != REG_ALL)
return;
if (adding)
invisible++;
else
invisible--;
}
};
class ModuleLusers : public Module
{
UserModeReference invisiblemode;
LusersCounters counters;
CommandLusers cmd;
InvisibleWatcher mw;
unsigned int CountInvisible()
{
unsigned int c = 0;
for (user_hash::iterator i = ServerInstance->Users->clientlist->begin(); i != ServerInstance->Users->clientlist->end(); ++i)
{
User* u = i->second;
if (u->IsModeSet(invisiblemode))
c++;
}
return c;
}
public:
ModuleLusers()
: invisiblemode(this, "invisible")
, counters(CountInvisible())
, cmd(this, counters)
, mw(this, counters.invisible)
{
}
void init()
{
ServerInstance->Modes->AddModeWatcher(&mw);
}
void OnPostConnect(User* user)
{
counters.UpdateMaxUsers();
if (user->IsModeSet(invisiblemode))
counters.invisible++;
}
void OnUserQuit(User* user, const std::string& message, const std::string& oper_message)
{
if (user->IsModeSet(invisiblemode))
counters.invisible--;
}
~ModuleLusers()
{
ServerInstance->Modes->DelModeWatcher(&mw);
}
Version GetVersion()
{
return Version("LUSERS", VF_VENDOR | VF_CORE);
}
};
MODULE_INIT(ModuleLusers)
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