public unsafe Neighbour(rtnl_neigh *neighbour)
{
nl_addr *l2Addr = LibNLRoute3.rtnl_neigh_get_lladdr(neighbour);
byte * mac = (byte *)LibNL3.nl_addr_get_binary_addr(l2Addr);
byte[] macBytes = new byte[6];
for (int i = 0; i < 6; i++)
{
macBytes[i] = mac[i];
}
Layer2Address = new PhysicalAddress(macBytes);
nl_addr *l3Addr = LibNLRoute3.rtnl_neigh_get_dst(neighbour);
uint addressLength = LibNL3.nl_addr_get_len(l3Addr);
byte[] bytes = new byte[addressLength];
for (uint i = 0; i < addressLength; i++)
{
bytes[i] = ((byte *)LibNL3.nl_addr_get_binary_addr(l3Addr))[i];
}
Layer3Address = new IPAddress(bytes);
VlanId = (ushort)LibNLRoute3.rtnl_neigh_get_vlan(neighbour);
Family = LibNLRoute3.rtnl_neigh_get_family(neighbour);
}
public static Route RequestRoute(nl_sock *socket, Subnet destinationSubnet)
{
nl_cache *cache;
var family = AddressFamily.Convert(destinationSubnet.NetworkAddress.AddressFamily);
LibNLRoute3.rtnl_route_alloc_cache(socket,
family, 0, &cache);
//Check that the number of items is not 0
int count = LibNL3.nl_cache_nitems(cache);
if (count == 0)
{
return(null);
}
nl_addr *destinationNetwork;
fixed(byte *bytes = destinationSubnet.NetworkAddress.GetAddressBytes())
{
destinationNetwork = LibNL3.nl_addr_build(family, bytes, AddressFamily.Size(family));
}
nl_object *current = LibNL3.nl_cache_get_first(cache);
for (int i = 0; i < count; i++)
{
nl_addr *dAddr = LibNLRoute3.rtnl_route_get_dst((rtnl_route *)current);
if (LibNL3.nl_addr_get_prefixlen(dAddr) == destinationSubnet.NetmaskLength &&
LibNL3.nl_addr_cmp_prefix(dAddr, destinationNetwork) == 0)
{
return(new Route(current));
}
current = LibNL3.nl_cache_get_next(current);
}
return(null);
}
public static extern nl_addr *nl_addr_clone(nl_addr *addr);
public static extern char *nl_addr2str(nl_addr *addr, char *buf, uint size);
public static extern void *nl_addr_get_binary_addr(nl_addr *addr);
public static extern void nl_addr_set_family(nl_addr *addr, int family);
public static extern void nl_addr_set_prefixlen(nl_addr *addr, int prefixlen);
public static extern uint nl_addr_get_prefixlen(nl_addr *addr);
public static extern void nl_addr_put(nl_addr *addr);
public unsafe NetworkInterface(rtnl_link *link)
{
Index = LibNLRoute3.rtnl_link_get_ifindex(link);
ParentInterfaceIndex = LibNLRoute3.rtnl_link_get_link(link);
InterfaceName = Util.NativeToManagedString((sbyte *)LibNLRoute3.rtnl_link_get_name(link));
sbyte *typeStringNative = (sbyte *)LibNLRoute3.rtnl_link_get_type(link);
string type = Util.NativeToManagedString(typeStringNative);
switch (type)
{
case "":
InterfaceType = InterfaceType.PHYSICAL;
break;
case "vlan":
InterfaceType = InterfaceType.VLAN;
break;
case "bridge":
InterfaceType = InterfaceType.BRIDGE;
break;
case "veth":
InterfaceType = InterfaceType.VETH;
break;
default: throw new NotSupportedException("Interface type " + type + " not supported");
}
nl_addr *hwAddr = LibNLRoute3.rtnl_link_get_addr(link);
if (hwAddr != null)
{
byte * mac = (byte *)LibNL3.nl_addr_get_binary_addr(hwAddr);
byte[] macBytes = new byte[6];
for (int i = 0; i < 6; i++)
{
macBytes[i] = mac[i];
}
HardwareAddress = new PhysicalAddress(macBytes);
}
var linkFlags = LibNLRoute3.rtnl_link_get_flags(link);
IsUp = (linkFlags & NLInterfaceFlags.UP) != 0;
IsLowerLayerUp = (linkFlags & NLInterfaceFlags.LOWER_UP) != 0;
IsBroadcastInterface = (linkFlags & NLInterfaceFlags.BROADCAST) != 0;
IsLoopbackInterface = (linkFlags & NLInterfaceFlags.LOOPBACK) != 0;
IsPointToPointInterface = (linkFlags & NLInterfaceFlags.POINTOPOINT) != 0;
IsNbmaInterface = !(IsBroadcastInterface || IsLoopbackInterface || IsPointToPointInterface);
IsPromiscuousInterface = (linkFlags & NLInterfaceFlags.PROMISC) != 0;
if (InterfaceType == InterfaceType.PHYSICAL && IsLoopbackInterface)
{
InterfaceType = InterfaceType.LOOPBACK;
}
if (InterfaceType == InterfaceType.VLAN)
{
var info = new Vlan((ushort)LibNLRoute3.rtnl_link_vlan_get_id(link));
InterfaceInformation = info;
}
MaximumTransmissionUnit = LibNLRoute3.rtnl_link_get_mtu(link);
}
public static extern nl_addr *nl_addr_get(nl_addr *addr);
public static extern int nl_addr_set_binary_addr(nl_addr *addr, void *buf, uint len);
public static extern int nl_addr_shared(nl_addr *addr);
public static extern int nl_addr_resolve(nl_addr *addr, char *host, uint hostlen);
public static extern int nl_addr_iszero(nl_addr *addr);
public static extern int nl_addr_guess_family(nl_addr *addr);
public static extern int nl_addr_cmp(nl_addr *a, nl_addr *b);
public static extern int nl_addr_cmp_prefix(nl_addr *a, nl_addr *b);
