contrib/statusd/statusd_bsdbatt.lua

   1 -- Authors: Russell A. Jackson
   2 -- License: BSD 2-Clause License, see http://opensource.org/licenses/bsd-license.php
   3 -- Last Changed: 2005
   4 --
   5 -- Copyright (c) 2005 Russell A. Jackson
   6 -- All rights reserved.
   7 --
   8 -- Redistribution and use in source and binary forms, with or without
   9 -- modification, are permitted provided that the following conditions
  10 -- are met:
  11 -- 1. Redistributions of source code must retain the above copyright
  12 --    notice, this list of conditions and the following disclaimer.
  13 -- 2. Redistributions in binary form must reproduce the above copyright
  14 --    notice, this list of conditions and the following disclaimer in the
  15 --    documentation and/or other materials provided with the distribution.
  16 --
  17 -- THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18 -- ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19 -- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20 -- ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21 -- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22 -- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23 -- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24 -- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25 -- LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26 -- OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27 -- SUCH DAMAGE.
  28 --
  29 -- statusd_bsdbatt.lua
  30 --
  31 -- Uses sysctl interface to fetch ACPI CMBAT status on FreeBSD.
  32 -- Add bsdbatt_life and bsdbatt_time fields to status bar template.
  33 --
  34
  35 function get_bsdbatt()
  36         local f=io.popen('sysctl -n hw.acpi.battery.life', 'r')
  37         local life=f:read('*l')
  38         f:close()
  39
  40         f=io.popen('sysctl -n hw.acpi.battery.time', 'r')
  41         local time=f:read('*l')
  42         f:close()
  43
  44         life = life.."%"
  45
  46         if time == "-1" then
  47                 time = "AC"
  48         else
  49                 time = time.."m"
  50         end
  51
  52         return life, time
  53 end
  54
  55 function update_bsdbatt()
  56         local life, time = get_bsdbatt()
  57
  58         statusd.inform("bsdbatt_life", life)
  59         statusd.inform("bsdbatt_time", time)
  60
  61         bsdbatt_timer:set(1000, update_bsdbatt)
  62 end
  63
  64 bsdbatt_timer = statusd.create_timer()
  65 update_bsdbatt()