/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2017 Fraunhofer ESK
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation;
 *
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Author: Karsten Roscher <karsten.roscher@esk.fraunhofer.de>
 */
#ifndef TRACI_NODE_UTILS_H
#define TRACI_NODE_UTILS_H

#include <ns3/ptr.h>
#include <ns3/node.h>

#include "traci-types.h"

namespace ns3
{
namespace traci
{

/*!
 * @brief Get the current SUMO position of the node.
 * @param node	Node to access, must have an active traci node adapter
 * @return Position of the associated SUMO object
 */
Position2D
GetPosition (Ptr<Node> node);

/*!
 * @brief Get road distance between two nodes
 * @param from	Node to get the distance from
 * @param to	Node to get the distance to
 * @return Distance in meters on the road
 */
double
GetRoadDistance (Ptr<Node> from, Ptr<Node> to);

/*!
 * @brief Get the minimum road distance between two nodes
 *
 * This will calculate the road distance in both directions and
 * return the minimum
 *
 * @param a	First node
 * @param b	Second node
 * @return Minimum road distance in meters
 */
double
GetMinRoadDistance (Ptr<Node> a, Ptr<Node> b);

}  // namespace traci
}  // namespace ns3

#endif /* TRACI_NODE_UTILS_H */