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Medium.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. 16, 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.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 ******************************************************************************/

#include <SIMPLETL/Medium.hpp>
#include <WNS/module/Module.hpp>

using namespace simpletl;

Medium::EventQueue Medium::eventqueue = Medium::EventQueue();

bool Medium::busy = false;


void Medium::setFree()
{
    if (!eventqueue.empty())
    {
        // Queue contains at least one event. Send the next event.
        QEntry& nextEvent = eventqueue.front();
        wns::simulator::getEventScheduler()->scheduleDelay(
            nextEvent.first,
            nextEvent.second);

        // remove 1. element from queue
        eventqueue.pop();
    }
    else
    {
        // Queue is empty. Medium is free2
        busy = false;
    }
}

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