const fout = try Resource.open("file:///log.txt");
const fout_meta = try fout.control("meta"); // helper method?
const delta = "mode=0600";
const n = try fout_meta.write(delta.ptr, delta.len);

const l = try Resource.open("tcp://0.0.0.0:90?mode=host");
for {
 const client = try l.control("accept");
 const client_meta = try client.control("meta");
 // read IP address on first line and log?
 // handle request
 client.close();
}