startup

print("Core loaded. PING - SERVER NUN ONLINE!")
--server
local standort = "Dubai [DUB]"
rednet.open("back")

while(true) do
    e, a, b, c = os.pullEvent("rednet_message")
    if(b == "heartbeat_protocol_req") then
        print("Computer #",a," is ",c," blocks away!")
        rednet.send(a, textutils.serialize({"heartbeat_protocol_rep", standort}))
    end
end