wirelessRouter

--Wireless Router
--Channel: 1

term.clear()
term.write("Channel: ")
channel = tonumber(read())

function getSide()

    if (peripheral.getType("top") == "modem") then
        return "top"
    elseif (peripheral.getType("down") == "modem") then
        return "down"
    elseif (peripheral.getType("right") == "modem") then
        return "right"
    elseif (peripheral.getType("left") == "modem") then
        return "left"
    elseif (peripheral.getType("back") == "modem") then
        return "back"
    else
        return false
    end

end


if getSide() == false then
    print("No Modem installed!")
    return false
end

modem = peripheral.wrap(getSide())

if(modem.isWireless == false) then
    print("Modem is not Wireless!")
    return false
end



modem.open(channel)
oldMsg = ""
newMsg = ""

while true do
    oldMsg = newMsg
    local event, modemSide, senderChannel, replyChannel, message, senderDistance = os.pullEvent("modem_message")
    newMsg = message

    if(newMsg ~= oldMsg) then
        modem.transmit(senderChannel, replyChannel, message)
        print("Transmitted Message to: ", senderChannel)
    end
end