TrainControl Signal Server

--Signal Server
--PeachMaster's MTC and Digital Interlocking System

local craw = fs.open("config", "r")
local config
local signalBlocks
local bundledIO = peripheral.find("bio")

local function saveTableFile(path, watchuwant) -- Quicker way to do things w o a h
    local handle = fs.open(path, "w")
    handle.write(textutils.serialise(whatchuwant))
    handle.close()
end

local function loadTableFile(path) -- Quiciker way to do things w o a h
    local handle = fs.open(path, "r")
    local thing = textutils.unserialise(handle.readAll())
    handle.close()
    return thing
end

local function getSomethingFromTable(theTable, thingWanted) -- A workaround to crappy CC/Lua. >:(
    for k, v in pairs(theTable) do
        if k == thingWanted then
            return v
        end
      end
end


local function doEncrypt(thing1)

    -- local ok = encrypt.encrypt(thing1, "kgkg499tgi34ikg39koowklfow0o349")
     --return ok
     return thing1
 end

 local function doDecrypt(thing)
    -- local ok = encrypt.decrypt(thing, "kgkg499tgi34ikg39koowklfow0o349")
    -- return ok
    return thing
 end

 local function findPeripheral( t, e )
    t = t:lower()
    for _,s in pairs(rs.getSides()) do
          if peripheral.getType(s) == t then
            return peripheral.wrap(s)
          end
    end
    error("No "..(e or t).." attached to the computer.", 0)
  end


local function doControlls()
    rednet.open(findPeripheral("modem", "Rednet Modem"))
   while true do
    event, senderId, message, protocol = os.pullEvent()
    if senderId == getSomethingFromTable(config, "serverID") then
    if event == "rednet_message" then
        local response = doDecrypt(message)

        if protocol == "HelloPing" then
            rednet.send(getSomethingFromTable(config, "serverID"), "HellO!", "HelloBack")
            print("Server just pinged!")
        end

        if protocol == "RemoteConfigUpdate" then

        end
   end
end
   if event == "redstone" then
        local input = senderId

        for k, v in pairs(signalBlocks) do
            if bundledIO.testBundledInput(getSomethingFromTable(v,"signalColorInput")) then
                signalBlocks[k].status = 3
                print(k + " is active!")
            else
                signalBlocks[k].status = 0
            end

        end

    --Alright, send signals.
    rednet.send(getSomethingFromTable(config, "serverID"), textutils.serialise(signalBlocks), "SignalUpdate")


   end

end

end

--Do startup!
print("TrainControl Rednet Signal Server (beta) 1.2 ")

if fs.exists("config") then
    config = loadTableFile("config")
    signalDatabase = loadTableFile("signalDatabase")
else

end