Inventory Monitor

--Inventory Monitor
local uptime = 1;
local gui = require("SmallGUI");
local storage = peripheral.wrap("bottom");
local protocol = "AUTOBUYER"
local uptime = 0;
rednet.open("top");
rednet.host("StorageSystem", protocol);
local currentLog = {};

function getData()
    while true do
        address, message = rednet.receive(protocol);
        if message == "sendInventoryData" then
            log("Recieved Message From " .. address);
            rednet.send(address, textutils.serialize(storage.list()), protocol);
        end
        sleep(0);
    end
end

function log(input)
    local tempOut = "[" .. gui.parseTime(uptime) .. "] " .. input;
    table.insert(currentLog, tempOut);
end

function setUptime()
    while true do uptime = uptime + 1; sleep(1) end
end


function updateScreen()
    while true do
        gui.printf(string.rep("=", term.getSize()),1,1);
            gui.printf("Inventory Monitor: [Ver 2.0]", 1, 2)
            gui.printf("| Uptime: " .. gui.parseTime(uptime));
            gui.printf(string.rep("=", term.getSize()),1,3);
            for i = 1, 15, 1 do
                tableLength = table.getn(currentLog);
                if currentLog[tableLength - i] ~= nil then
                    gui.printf(currentLog[tableLength - i] .. string.rep(" ", term.getSize()), 1, 3+i);
                end
        end
        sleep(0);
    end
end
gui.reset();
parallel.waitForAny(getData, setUptime, updateScreen);