/usr/include/tins/ip_address.h is in libtins-dev 1.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2012, Matias Fontanini
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef TINS_IPADDRESS_H
#define TINS_IPADDRESS_H
#include <string>
#include <iostream>
#include <stdint.h>
#include "cxxstd.h"
namespace Tins {
/**
* \class IPv4Address
* \brief Abstraction of an IPv4 address.
*/
class IPv4Address {
public:
/**
* The address size.
*/
static const size_t address_size = sizeof(uint32_t);
/**
* \brief Constructor taking a const char*.
*
* Constructs an IPv4Address from a dotted-notation address
* cstring. If the pointer provided is null, then a default
* IPv4Address object is constructed, which corresponds to
* the 0.0.0.0 address.
*
* \param ip const char* containing the dotted-notation address.
*/
IPv4Address(const char *ip = 0);
/**
* \brief Constructor taking a std::string.
*
* Constructs an IPv4Address from a dotted-notation std::strings
*
* \param ip std::string containing the dotted-notation address.
*/
IPv4Address(const std::string &ip);
/**
* \brief Constructor taking a IP address represented as a
* big endian integer.
*
* This constructor should be used internally by PDUs that
* handle IP addresses. The provided integer <b>must</b> be
* be in big endian.
*/
explicit IPv4Address(uint32_t ip);
/**
* \brief User defined conversion to big endian integral value.
*/
operator uint32_t() const;
/**
* \brief Retrieve the string representation of this address.
*
* \return std::string containing the representation of this address.
*/
std::string to_string() const;
/**
* \brief Compare this IPv4Address for equality.
*
* \param rhs The address to be compared.
* \return bool indicating whether this address equals rhs.
*/
bool operator==(const IPv4Address &rhs) const {
return ip_addr == rhs.ip_addr;
}
/**
* \brief Compare this IPv4Address for inequality.
*
* \param rhs The address to be compared.
* \return bool indicating whether this address is distinct
* from rhs.
*/
bool operator!=(const IPv4Address &rhs) const {
return !(*this == rhs);
}
/**
* \brief Compare this IPv4Address for less-than inequality.
*
* \param rhs The address to be compared.
* \return bool indicating whether this address is less-than rhs.
*/
bool operator< (const IPv4Address &rhs) const {
return ip_addr < rhs.ip_addr;
}
/**
* \brief Writes this address to a std::ostream.
*
* This method writes addr in a dotted-string notation address
* to the std::ostream argument.
*
* \param output The std::ostream in which to write the address.
* \param addr The IPv4Address to be written.
* \return std::stream& pointing to output.
*/
friend std::ostream &operator<<(std::ostream &output, const IPv4Address &addr);
private:
uint32_t ip_to_int(const std::string &ip);
uint32_t ip_addr;
};
} //namespace Tins
#if TINS_IS_CXX11
namespace std
{
template<>
struct hash<Tins::IPv4Address> {
size_t operator()(const Tins::IPv4Address &addr) const {
return std::hash<uint32_t>()(addr);
}
};
} // namespace std
#endif
#endif // TINS_IPADDRESS_H
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