ketama_hashing.cs

using (var md5 = MD5.Create())
{
    foreach (var server in _servers.Values.Where(x => x.IsDataNode))
    {
        const long repititions = 40;
        for (long rep = 0; rep < repititions; rep++)
        {
            var bytes = Encoding.UTF8.GetBytes(string.Format("{0}-{1}", server.EndPoint, rep));
            var hash = md5.ComputeHash(bytes);
            for (var j = 0; j < 4; j++)
            {
                var key = ((long) (hash[3 + j * 4] & 0xFF) << 24)
                          | ((long) (hash[2 + j * 4] & 0xFF) << 16)
                          | ((long) (hash[1 + j * 4] & 0xFF) << 8)
                          | (uint) (hash[0 + j * 4] & 0xFF);

                _buckets[key] = server;
            }
        }
    }
}