private static int GetIndex(NetworkInterface ni)
{
IPInterfaceProperties ipprops = ni.GetIPProperties();
IPv4InterfaceProperties ipv4props = GetIPv4Properties(ipprops);
if (ipv4props != null)
{
return(ipv4props.Index);
}
else if (Java_java_net_InetAddressImplFactory.isIPv6Supported())
{
IPv6InterfaceProperties ipv6props = GetIPv6Properties(ipprops);
if (ipv6props != null)
{
return(ipv6props.Index);
}
}
return(-1);
}
public static int getMTU0(string name, int ind)
{
#if FIRST_PASS
return(0);
#else
IPInterfaceProperties ipprops = GetDotNetNetworkInterfaceByIndex(ind).GetIPProperties();
IPv4InterfaceProperties v4props = GetIPv4Properties(ipprops);
if (v4props != null)
{
return(v4props.Mtu);
}
if (Java_java_net_InetAddressImplFactory.isIPv6Supported())
{
IPv6InterfaceProperties v6props = GetIPv6Properties(ipprops);
if (v6props != null)
{
return(v6props.Mtu);
}
}
return(-1);
#endif
}
private static NetworkInterfaceInfo GetInterfaces()
{
// Since many of the methods in java.net.NetworkInterface end up calling this method and the underlying stuff this is
// based on isn't very quick either, we cache the array for a couple of seconds.
if (cache != null && DateTime.UtcNow - cachedSince < new TimeSpan(0, 0, 5))
{
return(cache);
}
NetworkInterface[] ifaces = NetworkInterface.GetAllNetworkInterfaces();
// on Mono (on Windows) we need to filter out the network interfaces that don't have any IP properties
ifaces = Array.FindAll(ifaces, IsValid);
Array.Sort(ifaces, Compare);
java.net.NetworkInterface[] ret = new java.net.NetworkInterface[ifaces.Length];
int eth = 0;
int tr = 0;
int fddi = 0;
int lo = 0;
int ppp = 0;
int sl = 0;
int net = 0;
for (int i = 0; i < ifaces.Length; i++)
{
string name;
switch (ifaces[i].NetworkInterfaceType)
{
case NetworkInterfaceType.Ethernet:
name = "eth" + eth++;
break;
case NetworkInterfaceType.TokenRing:
name = "tr" + tr++;
break;
case NetworkInterfaceType.Fddi:
name = "fddi" + fddi++;
break;
case NetworkInterfaceType.Loopback:
if (lo > 0)
{
continue;
}
name = "lo";
lo++;
break;
case NetworkInterfaceType.Ppp:
name = "ppp" + ppp++;
break;
case NetworkInterfaceType.Slip:
name = "sl" + sl++;
break;
default:
name = "net" + net++;
break;
}
java.net.NetworkInterface netif = new java.net.NetworkInterface();
ret[i] = netif;
netif._set1(name, ifaces[i].Description, GetIndex(ifaces[i]));
UnicastIPAddressInformationCollection uipaic = ifaces[i].GetIPProperties().UnicastAddresses;
List <java.net.InetAddress> addresses = new List <java.net.InetAddress>();
List <java.net.InterfaceAddress> bindings = new List <java.net.InterfaceAddress>();
for (int j = 0; j < uipaic.Count; j++)
{
IPAddress addr = uipaic[j].Address;
if (addr.AddressFamily == AddressFamily.InterNetwork)
{
java.net.Inet4Address address = new java.net.Inet4Address(null, addr.GetAddressBytes());
java.net.InterfaceAddress binding = new java.net.InterfaceAddress();
short mask = 32;
java.net.Inet4Address broadcast = null;
IPAddress v4mask;
try
{
v4mask = uipaic[j].IPv4Mask;
}
catch (NotImplementedException)
{
// Mono (as of 2.6.7) doesn't implement the IPv4Mask property
v4mask = null;
}
if (v4mask != null && !v4mask.Equals(IPAddress.Any))
{
broadcast = new java.net.Inet4Address(null, -1);
mask = 0;
foreach (byte b in v4mask.GetAddressBytes())
{
mask += (short)java.lang.Integer.bitCount(b);
}
}
else if (address.isLoopbackAddress())
{
mask = 8;
broadcast = new java.net.Inet4Address(null, 0xffffff);
}
binding._set(address, broadcast, mask);
addresses.Add(address);
bindings.Add(binding);
}
else if (Java_java_net_InetAddressImplFactory.isIPv6Supported())
{
int scope = 0;
if (addr.IsIPv6LinkLocal || addr.IsIPv6SiteLocal)
{
scope = (int)addr.ScopeId;
}
java.net.Inet6Address ia6 = new java.net.Inet6Address();
ia6._holder().ipaddress = addr.GetAddressBytes();
if (scope != 0)
{
ia6._holder().scope_id = scope;
ia6._holder().scope_id_set = true;
ia6._holder().scope_ifname = netif;
ia6._holder().scope_ifname_set = true;
}
java.net.InterfaceAddress binding = new java.net.InterfaceAddress();
// TODO where do we get the IPv6 subnet prefix length?
short mask = 128;
binding._set(ia6, null, mask);
addresses.Add(ia6);
bindings.Add(binding);
}
}
netif._set2(addresses.ToArray(), bindings.ToArray(), new java.net.NetworkInterface[0]);
}
NetworkInterfaceInfo nii = new NetworkInterfaceInfo();
nii.dotnetInterfaces = ifaces;
nii.javaInterfaces = ret;
cache = nii;
cachedSince = DateTime.UtcNow;
return(nii);
}