/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2005 INRIA
* All rights reserved.
*
* 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: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
*/
#ifndef IPV4_ADDRESS_H
#define IPV4_ADDRESS_H
#include <stdint.h>
#include <ostream>
#include "address.h"
namespace ns3 {
class Ipv4Mask;
/** Ipv4 addresses are stored in host order in
* this class.
*/
class Ipv4Address {
public:
Ipv4Address ();
/**
* input address is in host order.
* \param address The host order 32-bit address
*/
Ipv4Address (uint32_t address);
/**
* \brief Constructs an Ipv4Address by parsing a the input C-string
*
* Input address is in format:
* hhh.xxx.xxx.lll
* where h is the high byte and l the
* low byte
* \param address C-string containing the address as described above
*/
Ipv4Address (char const *address);
/**
* input address is in host order.
* \param address The host order 32-bit address
*/
void Set (uint32_t address);
/**
* \brief Sets an Ipv4Address by parsing a the input C-string
*
* Input address is in format:
* hhh.xxx.xxx.lll
* where h is the high byte and l the
* low byte
* \param address C-string containing the address as described above
*/
void Set (char const *address);
/**
* \brief Comparison operation between two Ipv4Addresses
* \param other address to which to compare this address
* \return True if the addresses are equal. False otherwise.
*/
bool IsEqual (Ipv4Address other) const;
/**
* \brief Get the host-order 32-bit IP address
*
* Using this method is frowned upon.
* Please, do _not_ use this method.
* It is there only for chunk-ipv4.
* \return the host-order 32-bit IP address
*/
uint32_t GetHostOrder (void) const;
void SetHostOrder (uint32_t ip);
/**
* Serialize this address to a 4-byte buffer
*
* \param buf output buffer to which this address gets overwritten with this
* Ipv4Address
*/
void Serialize (uint8_t buf[4]) const;
/**
* \param buf buffer to read address from
* \returns an Ipv4Address
*
* The input address is expected to be in network byte order format.
*/
static Ipv4Address Deserialize (const uint8_t buf[4]);
/**
* \brief Print this address to the given output stream
*
* The print format is in the typical "192.168.1.1"
* \param os The output stream to which this Ipv4Address is printed
*/
void Print (std::ostream &os) const;
bool IsBroadcast (void) const;
bool IsMulticast (void) const;
/**
* \brief Combine this address with a network mask
*
* This method returns an IPv4 address that is this address combined
* (bitwise and) with a network mask, yielding an IPv4 network
* address.
*
* \param mask a network mask
*/
Ipv4Address CombineMask (Ipv4Mask const &mask) const;
/**
* \brief Generate subnet-directed broadcast address corresponding to mask
*
* The subnet-directed broadcast address has the host bits set to all
* ones.
*
* \param mask a network mask
*/
Ipv4Address GetSubnetDirectedBroadcast (Ipv4Mask const &mask) const;
bool IsSubnetDirectedBroadcast (Ipv4Mask const &mask) const;
static bool IsMatchingType (const Address &address);
operator Address ();
static Ipv4Address ConvertFrom (const Address &address);
static Ipv4Address GetZero (void);
static Ipv4Address GetAny (void);
static Ipv4Address GetBroadcast (void);
static Ipv4Address GetLoopback (void);
private:
Address ConvertTo (void) const;
static uint8_t GetType (void);
uint32_t m_address;
};
class Ipv4Mask {
public:
Ipv4Mask ();
Ipv4Mask (uint32_t mask);
Ipv4Mask (char const *mask);
bool IsMatch (Ipv4Address a, Ipv4Address b) const;
bool IsEqual (Ipv4Mask other) const;
/* Using this method is frowned upon.
* Please, do _not_ use this method.
*/
uint32_t GetHostOrder (void) const;
void SetHostOrder (uint32_t value);
/**
* \brief Return the inverse mask in host order.
*/
uint32_t GetInverse (void) const;
void Print (std::ostream &os) const;
static Ipv4Mask GetLoopback (void);
static Ipv4Mask GetZero (void);
private:
uint32_t m_mask;
};
std::ostream& operator<< (std::ostream& os, Ipv4Address const& address);
std::ostream& operator<< (std::ostream& os, Ipv4Mask const& mask);
bool operator == (Ipv4Address const &a, Ipv4Address const &b);
bool operator != (Ipv4Address const &a, Ipv4Address const &b);
bool operator < (Ipv4Address const &addrA, Ipv4Address const &addrB);
class Ipv4AddressHash : public std::unary_function<Ipv4Address, size_t> {
public:
size_t operator()(Ipv4Address const &x) const;
};
bool operator == (Ipv4Mask const &a, Ipv4Mask const &b);
bool operator != (Ipv4Mask const &a, Ipv4Mask const &b);
}; // namespace ns3
#endif /* IPV4_ADDRESS_H */