source: source/ariba/communication/networkinfo/AddressInformation.cpp@ 5522

// [License]
// The Ariba-Underlay Copyright
//
// Copyright (c) 2008-2009, Institute of Telematics, UniversitÀt Karlsruhe (TH)
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// [License]

#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