private bool LoadChn(IEnumerable <string?> lines)
{
try
{
var hasRule = false;
foreach (var line in lines)
{
if (line is null)
{
continue;
}
var strings = line.Split('/', 2, StringSplitOptions.TrimEntries | StringSplitOptions.RemoveEmptyEntries);
if (strings.Length != 2 ||
!IPAddress.TryParse(strings[0], out var ip) ||
!byte.TryParse(strings[1], out var mask))
{
continue;
}
_ipMatcher.Update(ip, mask, Rule.Direct);
hasRule = true;
}
return(hasRule);
}
catch
{
return(false);
}
}
public static void TestIpMatcher(IIPAddressMatcher <Rule> tree)
{
tree.Update(IPAddress.Parse(@"1.0.1.0"), 28, Direct);
tree.Update(IPAddress.Parse(@"1.1.1.1"), 32, Block);
tree.Update(IPAddress.Parse(@"8.8.8.8"), 32, Proxy);
tree.Update(IPAddress.Parse(@"192.168.0.0"), 16, Direct);
tree.Update(IPAddress.Parse(@"192.168.20.16"), 28, Proxy);
Assert.AreEqual(Unknown, tree.Match(IPAddress.Parse(@"10.0.0.123")));
Assert.AreEqual(Direct, tree.Match(IPAddress.Parse(@"1.0.1.0")));
Assert.AreEqual(Direct, tree.Match(IPAddress.Parse(@"1.0.1.1")));
Assert.AreEqual(Direct, tree.Match(IPAddress.Parse(@"1.0.1.15")));
Assert.AreEqual(Unknown, tree.Match(IPAddress.Parse(@"1.0.1.16")));
Assert.AreEqual(Unknown, tree.Match(IPAddress.Parse(@"1.0.1.250")));
Assert.AreEqual(Unknown, tree.Match(IPAddress.Parse(@"1.0.2.0")));
Assert.AreEqual(Block, tree.Match(IPAddress.Parse(@"1.1.1.1")));
Assert.AreEqual(Proxy, tree.Match(IPAddress.Parse(@"8.8.8.8")));
Assert.AreEqual(Direct, tree.Match(IPAddress.Parse(@"192.168.20.15")));
Assert.AreEqual(Proxy, tree.Match(IPAddress.Parse(@"192.168.20.19")));
}