net/wifidog-ng/files/wifidog-ng/heartbeat.lua

   1 --[[
   2   Copyright (C) 2018 Jianhui Zhao <jianhuizhao329@gmail.com>
   3
   4   This program is free software; you can redistribute it and/or
   5   modify it under the terms of the GNU Lesser General Public
   6   License as published by the Free Software Foundation; either
   7   version 2.1 of the License, or (at your option) any later version.
   8
   9   This program is distributed in the hope that it will be useful,
  10   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12   Lesser General Public License for more details.
  13
  14   You should have received a copy of the GNU Lesser General Public
  15   License along with this library; if not, write to the Free Software
  16   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
  17   USA
  18  --]]
  19
  20 local uloop = require "uloop"
  21 local http = require "socket.http"
  22 local util = require "wifidog-ng.util"
  23 local config = require "wifidog-ng.config"
  24
  25 local M = {}
  26
  27 local timer = nil
  28 local start_time = os.time()
  29
  30 local function heartbeat()
  31     local cfg = config.get()
  32
  33     timer:set(1000 * cfg.checkinterval)
  34
  35     local sysinfo = util.ubus("system", "info")
  36
  37     local url = string.format("%s&sys_uptime=%d&sys_memfree=%d&sys_load=%d&wifidog_uptime=%d",
  38         cfg.ping_url, sysinfo.uptime, sysinfo.memory.free, sysinfo.load[1], os.time() - start_time)
  39     http.request(url)
  40 end
  41
  42 function M.start()
  43     timer = uloop.timer(heartbeat, 1000)
  44 end
  45
  46 return M