source: source/ariba/communication/networkinfo/AddressInformation.cpp@ 5308

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// Copyright (c) 2008-2009, Institute of Telematics, UniversitÀt Karlsruhe (TH)

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#include "AddressInformation.h"



#include <ifaddrs.h>



#include <boost/asio/ip/address.hpp>

#include <boost/asio/ip/address_v4.hpp>



namespace ariba {

namespace communication {



using namespace ariba::addressing;



AddressInformation::AddressInformation(){

}



AddressInformation::~AddressInformation(){

}



AddressList AddressInformation::getAddresses(const NetworkInterface& interface){



        AddressList retlist;



        // gather transport addresses

        struct ifaddrs* ifap;

        getifaddrs( &ifap );



        for( struct ifaddrs* p = ifap; p != NULL; p=p->ifa_next ){



                // no name set? ->continue

                if( interface.name.compare(string(p->ifa_name)) != 0 ) continue;



                // handle IPv4 entry

                struct sockaddr* addr = p->ifa_addr;

                if( addr->sa_family == AF_INET ) {

                        // get address

                        const struct sockaddr_in& ipv4 = (const struct sockaddr_in&)*addr;

                        boost::asio::ip::address_v4::bytes_type bytes;

                        for( int i=0; i<4; i++ )

                                bytes[i] = (ipv4.sin_addr.s_addr >> (24-i*8)) & 0xff;



                        // add ipv4 address

                        boost::asio::ip::address boost_addr = boost::asio::ip::address_v4( bytes );

                        retlist.push_back( vcapsule<address_v>( ip_address(boost_addr) ) );

                }

        }



        freeifaddrs( ifap );



        return retlist;

}



}} // namespace ariba, communication