Wireless Sender/Receiver

local modemPort = 199
local component = require("component")
local gpu = component.gpu
local event = require("event")
local ser = require("serialization")
local term = require("term")
local computer = component.computer

local modem = component.modem
local link = component.tunnel

local localAddress = nil
local remoteAddress = nil

while true do
  if modem.isOpen(modemPort) == false then
  modem.open(modemPort)
  end
  local _, _, from, port, _, command, msg, address = event.pull("modem_message")
  print("Received message")
  if port == 0 then
        print("From Link Card. ReBroadcasting :D")
        remoteAddress = address
        modem.broadcast(modemPort, command, msg)
  else
        print("From Modem. Sending to other boost right now!")
        localAddress = from
        link.send(command, msg, localAddress)
  end
end