contrib/package/luci-splash/src/luci-splash/sync.lua

   1 #!/usr/bin/haserl --shell=luac --accept-none
   2 dofile("/usr/lib/luci-splash/splash.lua")
   3
   4 local written = {}
   5 local time = os.time()
   6
   7 -- Current leases in state files
   8 local leases = uci:show("luci_splash").luci_splash
   9
  10 -- Convert leasetime to seconds
  11 local leasetime = tonumber(uci:get("luci_splash", "general", "leasetime")) * 3600
  12
  13 -- Clean state file
  14 uci:revert("luci_splash")
  15
  16
  17 -- For all leases
  18 for k, v in pairs(uci:show("luci_splash")) do
  19         if v[".type"] == "lease" then
  20                 if os.difftime(time, tonumber(v.start)) > leasetime then
  21                         -- Remove expired
  22                         remove_rule(v.mac)
  23                 else
  24                         -- Rewrite state
  25                         local n = uci:add("luci_splash", "lease")
  26                         uci:set("luci_splash", n, "mac", v.mac)
  27                         uci:set("luci_splash", n, "start", v.start)
  28                         written[v.mac] = 1
  29                 end
  30         end
  31 end
  32
  33
  34 -- Delete rules without state
  35 for i, r in ipairs(listrules()) do
  36         if not written[r] then
  37                 remove_rule(r)
  38         end
  39 end