/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */

/*

 * Copyright (c) 2008 University of Washington

 *

 * 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

 */

#ifndef IPV4_ADDRESS_GENERATOR_H

#define IPV4_ADDRESS_GENERATOR_H

#include "ns3/ipv4-address.h"

namespace ns3 {

/**

 * \ingroup address

 *

 * \brief This generator assigns addresses sequentially from a provided

 * network address; used in topology code.

 */

class Ipv4AddressGenerator {

public:

  static void Init (const Ipv4Address net, const Ipv4Mask mask, 

    const Ipv4Address addr = "0.0.0.1");

  static Ipv4Address NextNetwork (const Ipv4Mask mask);

  static Ipv4Address GetNetwork (const Ipv4Mask mask);

  static void InitAddress (const Ipv4Address addr, const Ipv4Mask mask);

  static Ipv4Address NextAddress (const Ipv4Mask mask);

  static Ipv4Address GetAddress (const Ipv4Mask mask);

  static void Reset (void);

  static bool AddAllocated (const Ipv4Address addr);

  static void TestMode (void);

};

}; // namespace ns3

#endif /* IPV4_ADDRESS_GENERATOR_H */