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-- Wi-Fi widget type for GNU/Linux using iw
-- Copyright (C) 2016 Marius M. <mellich@gmx.net>
-- Copyright (C) 2017 mutlusun <mutlusun@github.com>
-- Copyright (C) 2019 Nguyễn Gia Phong <vn.mcsinyx@gmail.com>
-- Copyright (C) 2019 Xaver Hellauer <xaver@hellauer.bayern>
--
-- This file is part of Vicious.
--
-- Vicious is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as
-- published by the Free Software Foundation, either version 2 of the
-- License, or (at your option) any later version.
--
-- Vicious is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with Vicious. If not, see <https://www.gnu.org/licenses/>.
-- {{{ Grab environment
local type = type
local tonumber = tonumber
local helpers = require("vicious.helpers")
local spawn = require("vicious.spawn")
-- }}}
-- Wifiiw: provides wireless information for a requested interface
-- using iw instead of deprecated iwconfig
-- vicious.widgets.wifiiw
local wifiiw_linux = {}
local LINK = "PATH=$PATH:/sbin/:/usr/sbin:/usr/local/sbin iw dev %s link"
local INFO = "PATH=$PATH:/sbin/:/usr/sbin:/usr/local/sbin iw dev %s info"
-- {{{ Wireless widget type
function wifiiw_linux.async(format, warg, callback)
if type(warg) ~= "string" then return callback{} end
local winfo = {}
local function parse_link(stdout)
winfo["{bssid}"] = stdout:match"Connected to ([%x:]*)" or "N/A"
winfo["{ssid}"] = stdout:match"SSID: ([^\n]*)" or "N/A"
winfo["{freq}"] = tonumber(stdout:match"freq: (%d+)" or 0)
winfo["{sign}"] = -- Signal level can be negative; w/o unit (dBm)
tonumber(stdout:match"signal: (%-?%d+)" or 0)
winfo["{linp}"] = -- Link Quality (-100dBm->0%, -50dBm->100%)
winfo["{sign}"] ~= 0 and 200 + winfo["{sign}"]*2 or 0
winfo["{rate}"] = -- Transmission rate, without unit (Mb/s)
tonumber(stdout:match"tx bitrate: ([%d%.]+)" or 0)
end
local function parse_info(stdout)
winfo["{mode}"] = stdout:match"type ([^\n]*)" or "N/A"
winfo["{chan}"] = tonumber(stdout:match"channel (%d+)" or 0)
-- Transmission power, without unit (dBm)
winfo["{txpw}"] = tonumber(stdout:match"txpower (%-?%d+)" or 0)
end
spawn.easy_async_with_shell(
LINK:format(warg),
function (std_out, std_err, exit_reason, exit_code)
parse_link(std_out)
spawn.easy_async_with_shell(
INFO:format(warg),
function (stdout, stderr, exitreason, exitcode)
parse_info(stdout)
callback(winfo)
end)
end)
end
-- }}}
return helpers.setasyncall(wifiiw_linux)
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