MtnLabs student startup.lua

-- Student device startup.lua

local modem = peripheral.find("modem")
if not modem then
    error("No modem found. Please attach a wireless modem.")
end

local function downloadStudentLua()
    modem.open(1)
    print("Requesting latest student.lua...")

    -- Send a request to the server for the latest student.lua
    modem.transmit(1, 1, {type = "request_update"})

    local timer = os.startTimer(5) -- 5-second timeout
    while true do
        local event, param1, param2, param3, message = os.pullEvent()
        if event == "modem_message" then
            if type(message) == "table" and message.type == "update" then
                local file = fs.open("student.lua", "w")
                file.write(message.content)
                file.close()
                print("student.lua updated successfully.")
                return true
            end
        elseif event == "timer" and param1 == timer then
            print("Timeout: Failed to receive student.lua")
            return false
        end
    end
end

if downloadStudentLua() then
    shell.run("student.lua")
else
    print("Failed to update. Running existing student.lua if available.")
    if fs.exists("student.lua") then
        shell.run("student.lua")
    else
        error("No student.lua available. Please contact an administrator.")
    end
end