// Helper method that marshals the address information into the classes.
internal static UnicastIPAddressInformationCollection MarshalUnicastIpAddressInformationCollection(IntPtr ptr)
{
UnicastIPAddressInformationCollection addressList = new UnicastIPAddressInformationCollection();
while (ptr != IntPtr.Zero)
{
Interop.IpHlpApi.IpAdapterUnicastAddress addr = Marshal.PtrToStructure <Interop.IpHlpApi.IpAdapterUnicastAddress>(ptr);
addressList.InternalAdd(new SystemUnicastIPAddressInformation(addr));
ptr = addr.next;
}
return(addressList);
}
internal SystemUnicastIPAddressInformation(Interop.IpHlpApi.IpAdapterUnicastAddress adapterAddress)
{
IPAddress ipAddress = adapterAddress.address.MarshalIPAddress();
_innerInfo = new SystemIPAddressInformation(ipAddress, adapterAddress.flags);
_prefixOrigin = adapterAddress.prefixOrigin;
_suffixOrigin = adapterAddress.suffixOrigin;
_dadState = adapterAddress.dadState;
_validLifetime = adapterAddress.validLifetime;
_preferredLifetime = adapterAddress.preferredLifetime;
_dhcpLeaseLifetime = adapterAddress.leaseLifetime;
_prefixLength = adapterAddress.prefixLength;
// IPv6 returns 0.0.0.0 for consistency with down-level platforms.
if (ipAddress.AddressFamily == AddressFamily.InterNetwork)
{
_ipv4Mask = PrefixLengthToSubnetMask(_prefixLength, ipAddress.AddressFamily);
}
}
