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/**
* Copyright (C) 2009-2010 Michael 'Mickey' Lauer <mlauer@vanille-media.de>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library 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
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
**/
namespace FsoFramework { namespace Net {
public string ipv4AddressForInterface( string iface )
{
var socket = new Netlink.Socket();
socket.connect( Linux.Netlink.NETLINK_ROUTE );
Netlink.LinkCache link_cache;
socket.link_alloc_cache( out link_cache );
Netlink.AddrCache addr_cache;
socket.addr_alloc_cache( out addr_cache );
var ifindex = link_cache.name2i( iface );
#if DEBUG
message( "index = %u", ifindex );
#endif
var routeaddr = new Netlink.RouteAddress();
//routeaddr.set_family( Posix.AF_INET );
routeaddr.set_ifindex( ifindex );
var ipv4 = "unknown";
addr_cache.foreach_filter( routeaddr, (element) => {
#if DEBUG
message( "called w/ object %p", element );
#endif
unowned Netlink.Address addr = ( (Netlink.RouteAddress)element ).get_local();
#if DEBUG
message( "addr: family: %d length: %d prefixlen: %d", addr.get_family(), addr.get_len(), addr.get_prefixlen() );
message( "addr: %s", addr.to_string() );
#endif
if ( addr.get_len() == 4 )
{
uint32 binaddress = *( (uint32*) addr.get_binary_addr() );
binaddress = Posix.ntohl( binaddress );
var inaddr = Posix.InAddr() { s_addr = Posix.ntohl( binaddress ) };
ipv4 = Posix.inet_ntoa( inaddr );
}
} );
routeaddr.put();
return ipv4;
}
} /* namespace Net */
} /* namespace FsoFramework */
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