computercraft/packages/set_lns.lua

io.write("Enter the hostname: ")
hostname = io.read()

io.write("Enter the modem location: ")
modem_location = io.read()

rednet.open(modem_location)
receiverID = rednet.lookup("lns", lns_server)
current_time = os.time()


data = {
    ["action"] = "register",
    ["hostname"] = hostname,
    ["token"] = settings.get("auth.token", nil)
}

rednet.send(receiverID, data, "lns")

while true do
    id, msg = rednet.receive("lns")
    if id == receiverID then
        if msg == "ok" then
            print("Registered with LNS Server Successfully!")
            break
        else
            print("Failed to register with LNS Server! Error: " .. msg)
            break
        end

        -- timeout after 5 seconds
        if os.time() - current_time > 5 then
            print("Failed to register with LNS Server! Timeout!")
            break
        end
    end
end