xlxd/ambedtest/cip.cpp

//
//  cip.cpp
//  xlxd
//
//  Created by Jean-Luc Deltombe (LX3JL) on 31/10/2015.
//  Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
//
// ----------------------------------------------------------------------------
//    This file is part of xlxd.
//
//    xlxd is free software: you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation, either version 3 of the License, or
//    (at your option) any later version.
//
//    xlxd 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 Foobar.  If not, see <http://www.gnu.org/licenses/>. 
// ----------------------------------------------------------------------------

#include "main.h"
#include <string.h>
#include "cip.h"

#include <netdb.h>

////////////////////////////////////////////////////////////////////////////////////////
// constructors

CIp::CIp()
{
    ::memset(&m_Addr, 0, sizeof(m_Addr));
    m_Addr.sin_family = AF_INET;
}

CIp::CIp(const char *sz)
{
    ::memset(&m_Addr, 0, sizeof(m_Addr));
    m_Addr.sin_family = AF_INET;
    // try xxx.xxx.xxx.xxxx first
    m_Addr.sin_addr.s_addr = inet_addr(sz);
    if ( m_Addr.sin_addr.s_addr == INADDR_NONE )
    {
        // otherwise try to resolve via dns
        hostent *record = gethostbyname(sz);
        if( record != NULL )
        {
            m_Addr.sin_addr.s_addr = ((in_addr * )record->h_addr)->s_addr;
        }
    }
}

CIp::CIp(const struct sockaddr_in *sa)
{
    ::memcpy(&m_Addr, sa, sizeof(m_Addr));
}


CIp::CIp(const CIp &ip)
{
    ::memcpy(&m_Addr, &ip.m_Addr, sizeof(m_Addr));
}

////////////////////////////////////////////////////////////////////////////////////////
// set

void CIp::SetSockAddr(struct sockaddr_in *sa)
{
    ::memcpy(&m_Addr, sa, sizeof(m_Addr));
}

////////////////////////////////////////////////////////////////////////////////////////
// operator

bool CIp::operator ==(const CIp &ip) const
{
    return ( (ip.m_Addr.sin_family == m_Addr.sin_family) &&
             (ip.m_Addr.sin_addr.s_addr == m_Addr.sin_addr.s_addr) &&
             (ip.m_Addr.sin_port == m_Addr.sin_port)) ;
}

CIp::operator const char *() const
{
    return ::inet_ntoa(m_Addr.sin_addr);
}