68 lines
2.8 KiB
Lua
68 lines
2.8 KiB
Lua
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-- Wi-Fi widget type for GNU/Linux using iwconfig
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-- Copyright (C) 2010 Adrian C. <anrxc@sysphere.org>
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-- Copyright (C) 2017 mutlusun <mutlusun@github.com>
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-- Copyright (C) 2018-2019 Nguyễn Gia Phong <vn.mcsinyx@gmail.com>
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--
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-- This file is part of Vicious.
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--
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-- Vicious is free software: you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as
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-- published by the Free Software Foundation, either version 2 of the
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-- License, or (at your option) any later version.
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--
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-- Vicious is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with Vicious. If not, see <https://www.gnu.org/licenses/>.
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-- {{{ Grab environment
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local type = type
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local tonumber = tonumber
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local math = { floor = math.floor }
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local helpers = require"vicious.helpers"
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local spawn = require"vicious.spawn"
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-- }}}
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-- Wifi: provides wireless information for a requested interface using iwconfig
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-- vicious.widgets.wifi
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local wifi_linux = {}
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-- {{{ Wireless widget type
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local function parser(stdout, stderr, exitreason, exitcode)
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local winfo = {}
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-- Output differs from system to system, stats can be separated by
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-- either = or :. Some stats may not be supported by driver.
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-- SSID can have almost anything in it.
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winfo["{ssid}"] = stdout:match'ESSID[=:]"(.-)"' or "N/A"
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-- Modes are simple, but also match the "-" in Ad-Hoc
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winfo["{mode}"] = stdout:match"Mode[=:]([%w%-]+)" or "N/A"
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winfo["{chan}"] = tonumber(stdout:match"Channel[=:](%d+)" or 0)
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winfo["{rate}"] = -- Bitrate without unit (Mb/s)
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tonumber(stdout:match"Bit Rate[=:]%s?([%d%.]+)" or 0)
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winfo["{freq}"] = -- Frequency in MHz (is output always in GHz?)
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tonumber(stdout:match"Frequency[=:]%s?([%d%.]+)" or 0) * 1000
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winfo["{txpw}"] = -- Transmission power in dBm
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tonumber(stdout:match"Tx%-Power[=:](%d+)" or 0)
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winfo["{link}"] = -- Link quality over 70
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tonumber(stdout:match"Link Quality[=:](%d+)" or 0)
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winfo["{linp}"] = -- Link quality percentage if quality was available
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winfo["{link}"] ~= 0 and math.floor(winfo["{link}"]/0.7 + 0.5) or 0
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-- Signal level without unit (dBm), can be negative value
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winfo["{sign}"] = tonumber(stdout:match"Signal level[=:](%-?%d+)" or 0)
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return winfo
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end
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function wifi_linux.async(format, warg, callback)
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if type(warg) ~= "string" then return callback{} end
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spawn.easy_async_with_shell(
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"PATH=$PATH:/sbin:/usr/sbin:/usr/local/sbin iwconfig " .. warg,
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function (...) callback(parser(...)) end)
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end
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-- }}}
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return helpers.setasyncall(wifi_linux)
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