62 lines
2.2 KiB
Lua
62 lines
2.2 KiB
Lua
---------------------------------------------------
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-- Licensed under the GNU General Public License v2
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-- * (c) 2016, Marius M. <mellich@gmx.net>
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---------------------------------------------------
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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 helpers = require("vicious.helpers")
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local spawn = require("vicious.spawn")
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-- }}}
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-- Wifiiw: provides wireless information for a requested interface
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-- using iw instead of deprecated iwconfig
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-- vicious.widgets.wifiiw
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local wifiiw_linux = {}
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local LINK = "PATH=$PATH:/sbin/:/usr/sbin:/usr/local/sbin iw dev %s link"
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local INFO = "PATH=$PATH:/sbin/:/usr/sbin:/usr/local/sbin iw dev %s info"
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-- {{{ Wireless widget type
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function wifiiw_linux.async(format, warg, callback)
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if type(warg) ~= "string" then return callback{} end
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local winfo = {}
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local function parse_link(stdout)
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winfo["{bssid}"] = stdout:match"Connected to ([%x:]*)" or "N/A"
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winfo["{ssid}"] = stdout:match"SSID: ([^\n]*)" or "N/A"
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winfo["{freq}"] = tonumber(stdout:match"freq: (%d+)" or 0)
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winfo["{sign}"] = -- Signal level can be negative; w/o unit (dBm)
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tonumber(stdout:match"signal: (%-?%d+)" or 0)
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winfo["{linp}"] = -- Link Quality (-100dBm->0%, -50dBm->100%)
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winfo["{sign}"] ~= 0 and 200 + winfo["{sign}"]*2 or 0
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winfo["{rate}"] = -- Transmission rate, without unit (Mb/s)
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tonumber(stdout:match"tx bitrate: ([%d%.]+)" or 0)
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end
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local function parse_info(stdout)
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winfo["{mode}"] = stdout:match"type ([^\n]*)" or "N/A"
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winfo["{chan}"] = tonumber(stdout:match"channel (%d+)" or 0)
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-- Transmission power, without unit (dBm)
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winfo["{txpw}"] = tonumber(stdout:match"txpower (%-?%d+)" or 0)
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end
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spawn.easy_async_with_shell(
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LINK:format(warg),
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function (stdout, stderr, exitreason, exitcode)
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parse_link(stdout)
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spawn.easy_async_with_shell(
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INFO:format(warg),
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function (stdout, stderr, exitreason, exitcode)
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parse_info(stdout)
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callback(winfo)
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end)
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end)
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end
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-- }}}
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return helpers.setasyncall(wifiiw_linux)
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