public static uint GenerateToken(IPEndPoint address, long seed)
{
var buffer = new byte[24 + sizeof(long)]; // sizeof(address raw) + sizeof(long)
var bytes = new Span <byte>(buffer);
// TODO
//if (pAddr->type & NETTYPE_LINK_BROADCAST)
// return GenerateToken(&NullAddr, Seed);
if (address != null)
{
var port = address.Port;
address.Port = 0;
address.Raw().CopyTo(bytes);
address.Port = port;
}
BitConverter.TryWriteBytes(bytes.Slice(24), seed);
var result = NetworkHelper.Hash(buffer) & TokenMask;
if (result == TokenNone)
{
result--;
}
return(result);
}
public void TestHash()
{
var endPoint1 = new IPEndPoint(IPAddress.Parse("192.168.42.5"), 65202);
var buf2 = endPoint1.Raw();
var hash = Network.NetworkHelper.Hash(buf2);
Assert.AreEqual(hash, 1578705565u);
}
public void TestEndPointRaw()
{
var endPoint1 = new IPEndPoint(IPAddress.Parse("192.168.137.106"), 51850);
var actual = endPoint1.Raw();
var expected = new byte[]
{
1, 0, 0, 0, 192, 168, 137, 106, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 138, 202, 0, 0
};
CollectionAssert.AreEqual(expected, actual);
}
public void TestIPv4EndPointSerialize()
{
var endPoint1 = new IPEndPoint(IPAddress.Parse("192.168.42.5"), 65202);
var buf1 = new byte[] { 1, 0, 0, 0, 192, 168, 42, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 178, 254, 0, 0 };
var buf2 = endPoint1.Raw();
CollectionAssert.AreEqual(buf1, buf2);
// TODO for IPv6
//var endPoint2 = new IPEndPoint(IPAddress.Parse("2001:0db8:85a3:0000:0000:8a2e:0370:7334"), 65202);
// var buf3 = endPoint2.Raw();
}
