static public int CompareFor(System.Net.IPAddress x, System.Net.IPAddress y)
{
if ((x.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork &&
y.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork) ||
(x.AddressFamily == System.Net.Sockets.AddressFamily.InterNetworkV6 &&
y.AddressFamily == System.Net.Sockets.AddressFamily.InterNetworkV6))
{
return(IPSeg.CompareFor(x.GetAddressBytes(), y.GetAddressBytes()));
}
throw new Exception("IP地址类型必须是IPv4或者IPv6才能进行比较");
}
public bool In(System.Net.IPAddress addr)
{
if (IsNull(from_))
{
return(false);
}
if (IsNull(to_))
{
return(0 == IPSeg.CompareFor(From, addr));
}
if (IPSeg.CompareFor(From, addr) > 0)
{
return(false);
}
return(IPSeg.CompareFor(To, addr) >= 0);
}
public IEnumerator <System.Net.IPAddress> internalGetEnumerator()
{
if (!IsNull(from_))
{
if (IsNull(to_))
{
yield return(From);
}
else
{
System.Net.IPAddress from = From;
while (true)
{
yield return(from);
if (IPSeg.CompareFor(from, To) >= 0)
{
break;
}
from = IPSeg.Next(from);
}
}
}
}