--This is the preclient program that registers with the server and downloads the client

findDevice = function(t)
    local sides = rs.getSides()
    for k,v in pairs(sides) do
        if peripheral.isPresent(v) then
            if peripheral.getType(v) == t then
                return v
            end
        end
    end
    return "none"
end

print("Computer ID:  "..os.getComputerID())
rednet.open(findDevice("modem"))
rednet.broadcast(textutils.serialize({cmd="HELO"}), "vcs")

while true do
    local _, s, m, p = os.pullEvent("rednet_message")
    print(m)
    m = textutils.unserialize(m)
    if m.cmd == "CLIENT" then
        local f = fs.open(m.FileName, "w")
        local s, m, p = rednet.receive()
        f.write(m)
        f.close()
    elseif m.cmd == "DONE" then
        os.reboot()
    end

end