Computercraft AE2 Monitoring server

protocol = 'ae2_monitoring'
hostname = 'server.ae2_mon.txl'
routerSide = 'top'
ae2Side = 'left'

function handleMessage(message)
    if message.request == nil then
        return nil
    end

    if message.request == 'stock' then
        return handleStockMessage(message)
    end
end

function handleStockMessage(message)
    if message.requestedItem == nil then
        return nil
    end

    print("Stock request for ".. message.requestedItem)

    local search = ae2.findItem(message.requestedItem)

    if search == nil then
        return {name=message.requestedItem, count=0}
    end

    local itemData = search.getMetadata()
    return {name=itemData.displayName, count=itemData.count}
end

rednet.open(routerSide)
rednet.host(protocol, hostname)

ae2 = peripheral.wrap(ae2Side)

while true do
    senderId, message, usedProtocol = rednet.receive(protocol)
    response = handleMessage(message)
    rednet.send(senderId, response, protocol)
end