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/*
 * InspIRCd -- Internet Relay Chat Daemon
 *
 *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
 *   Copyright (C) 2006-2008 Robin Burchell <robin+git@viroteck.net>
 *   Copyright (C) 2005-2007 Craig Edwards <craigedwards@brainbox.cc>
 *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
 *   Copyright (C) 2006 Craig McLure <craig@chatspike.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"
#include "xline.h"
#include "socketengine.h"
#include "command_parse.h"

/**
 * This function is called once a second from the mainloop.
 * It is intended to do background checking on all the user structs, e.g.
 * stuff like ping checks, registration timeouts, etc.
 */
void UserManager::DoBackgroundUserStuff()
{
	/*
	 * loop over all local users..
	 */
	for (LocalUserList::iterator i = local_users.begin(); i != local_users.end(); ++i)
	{
		LocalUser* curr = *i;

		if (curr->quitting)
			continue;

		if (curr->CommandFloodPenalty || curr->eh.getSendQSize())
		{
			unsigned int rate = curr->MyClass->GetCommandRate();
			if (curr->CommandFloodPenalty > rate)
				curr->CommandFloodPenalty -= rate;
			else
				curr->CommandFloodPenalty = 0;
			curr->eh.OnDataReady();
		}

		switch (curr->registered)
		{
			case REG_ALL:
				if (ServerInstance->Time() > curr->nping)
				{
					// This user didn't answer the last ping, remove them
					if (!curr->lastping)
					{
						time_t time = ServerInstance->Time() - (curr->nping - curr->MyClass->GetPingTime());
						const std::string message = "Ping timeout: " + ConvToStr(time) + (time == 1 ? " seconds" : " second");
						this->QuitUser(curr, message);
						continue;
					}

					curr->Write("PING :" + ServerInstance->Config->ServerName);
					curr->lastping = 0;
					curr->nping = ServerInstance->Time() + curr->MyClass->GetPingTime();
				}
				break;
			case REG_NICKUSER:
				if (AllModulesReportReady(curr))
				{
					/* User has sent NICK/USER, modules are okay, DNS finished. */
					curr->FullConnect();
					continue;
				}
				break;
		}

		if (curr->registered != REG_ALL && (ServerInstance->Time() > (curr->age + curr->MyClass->GetRegTimeout())))
		{
			/*
			 * registration timeout -- didnt send USER/NICK/HOST
			 * in the time specified in their connection class.
			 */
			this->QuitUser(curr, "Registration timeout");
			continue;
		}
	}
}