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PreroutingChain.cpp

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/*******************************************************************************
 * This file is part of openWNS (open Wireless Network Simulator)
 * _____________________________________________________________________________
 *
 * Copyright (C) 2004-2007
 * Chair of Communication Networks (ComNets)
 * Kopernikusstr. 5, D-52074 Aachen, Germany
 * phone: ++49-241-80-27910,
 * fax: ++49-241-80-22242
 * email: info@openwns.org
 * www: http://www.openwns.org
 * _____________________________________________________________________________
 *
 * openWNS is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License version 2 as published by the
 * Free Software Foundation;
 *
 * openWNS 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 Lesser General Public License for more
 * details.
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 * You should have received a copy of the GNU Lesser General Public License
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#include <IP/iptables/PreroutingChain.hpp>

using namespace ip::iptables;

STATIC_FACTORY_REGISTER_WITH_CREATOR(
    PreroutingChain,
    wns::ldk::FunctionalUnit,
    "ip.iptables.preroutingchain",
    wns::ldk::FUNConfigCreator);


PreroutingChain::PreroutingChain(wns::ldk::fun::FUN* fun, const wns::pyconfig::View& _pyco):
    Chain(fun, _pyco),
    wns::Cloneable<PreroutingChain>(),
    fun(fun),
    log(_pyco.get("logger"))
{
}

void
PreroutingChain::onFUNCreated()
{
    assure(fun, "FUN not set!" );
    postroutingChain = fun->findFriend<ip::iptables::IRuleControl*>("postroutingChain");
    assure(postroutingChain, "PostroutingChain not found!");

    if(hasRules(99999))
    {
        dllFlowIDTarget = dynamic_cast<ip::iptables::targets::DLLFlowIDTarget*>(getRule(99999).getTarget());
        assure(dllFlowIDTarget, "Target not set");
        dllFlowIDTarget->setRuleController(postroutingChain);
    }
    Chain::onFUNCreated();
}

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