mirror of
https://github.com/ShadowKatStudios/OC-Minitel.git
synced 2024-11-23 18:48:06 +11:00
71 lines
1.5 KiB
Lua
71 lines
1.5 KiB
Lua
local serial = require "serialization"
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local component = require "component"
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local computer = require "computer"
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local realtime = require "realtime"
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local event = require "event"
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local timer = nil
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local cfg = {}
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cfg.url = "https://google.com"
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cfg.frequency = 300
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cfg.offset = 0
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local function saveConfig()
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local f = io.open("/etc/realtime-sync.cfg","wb")
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if not f then
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return false
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end
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f:write(serial.serialize(cfg))
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f:close()
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end
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local function loadConfig()
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local f = io.open("/etc/realtime-sync.cfg","rb")
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if not f then
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saveConfig()
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return false
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end
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for k,v in pairs(serial.unserialize(f:read("*a"))) do
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cfg[k] = v
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end
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f:close()
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end
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local function convertToEpoch(s)
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p="%a+, (%d+) (%a+) (%d+) (%d+):(%d+):(%d+) GMT"
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day,month,year,hour,min,sec=s:match(p)
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months={Jan=1,Feb=2,Mar=3,Apr=4,May=5,Jun=6,Jul=7,Aug=8,Sep=9,Oct=10,Nov=11,Dec=12}
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month=months[month]
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return os.time({day=day,month=month,year=year,hour=hour,min=min,sec=sec})
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end
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local function updateTime()
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local ut,rq = computer.uptime(), component.internet.request(cfg.url)
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while true do
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if rq.finishConnect() then
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break
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end
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end
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local _, _, headers = rq.response()
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local date = headers.Date
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if type(date) == "table" then
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date=date[1]
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end
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realtime.update(convertToEpoch(date), ut, cfg.offset*60*60)
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rq.close()
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end
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function sync()
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updateTime()
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print(os.date("%Y-%m-%d %H:%M",realtime.time()))
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end
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function start()
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loadConfig()
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if not timer then
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timer = event.timer(cfg.frequency, updateTime, math.huge)
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end
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sync()
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end
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function stop()
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event.cancel(timer)
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timer = nil
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end
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