127 lines
3.5 KiB
Lua
127 lines
3.5 KiB
Lua
-------------------------------------------------
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-- Net Speed Widget for Awesome Window Manager
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-- Shows current upload/download speed
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-- More details could be found here:
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-- https://github.com/streetturtle/awesome-wm-widgets/tree/master/net-speed-widget
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-- @author Pavel Makhov
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-- @copyright 2020 Pavel Makhov
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-------------------------------------------------
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local watch = require("awful.widget.watch")
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local wibox = require("wibox")
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local HOME_DIR = os.getenv("HOME")
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local WIDGET_DIR = HOME_DIR .. '/.config/awesome/awesome-wm-widgets/net-speed-widget/'
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local ICONS_DIR = WIDGET_DIR .. 'icons/'
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local net_speed_widget = {}
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local function convert_to_h(bytes)
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local speed
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local dim
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local bits = bytes * 8
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if bits < 1000 then
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speed = bits
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dim = 'b/s'
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elseif bits < 1000000 then
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speed = bits/1000
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dim = 'kb/s'
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elseif bits < 1000000000 then
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speed = bits/1000000
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dim = 'Mb/s'
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elseif bits < 1000000000000 then
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speed = bits/1000000000
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dim = 'Gb/s'
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else
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speed = tonumber(bits)
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dim = 'b/s'
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end
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return math.floor(speed + 0.5) .. ' ' .. dim
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end
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local function split(string_to_split, separator)
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if separator == nil then separator = "%s" end
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local t = {}
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for str in string.gmatch(string_to_split, "([^".. separator .."]+)") do
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table.insert(t, str)
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end
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return t
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end
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local function worker(user_args)
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local args = user_args or {}
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local interface = args.interface or '*'
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local timeout = args.timeout or 1
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local width = args.width or 55
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net_speed_widget = wibox.widget {
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{
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id = 'rx_speed',
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forced_width = width,
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align = 'right',
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widget = wibox.widget.textbox
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},
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{
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image = ICONS_DIR .. 'down.svg',
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widget = wibox.widget.imagebox
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},
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{
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image = ICONS_DIR .. 'up.svg',
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widget = wibox.widget.imagebox
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},
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{
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id = 'tx_speed',
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forced_width = width,
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align = 'left',
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widget = wibox.widget.textbox
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},
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layout = wibox.layout.fixed.horizontal,
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set_rx_text = function(self, new_rx_speed)
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self:get_children_by_id('rx_speed')[1]:set_text(tostring(new_rx_speed))
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end,
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set_tx_text = function(self, new_tx_speed)
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self:get_children_by_id('tx_speed')[1]:set_text(tostring(new_tx_speed))
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end
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}
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-- make sure these are not shared across different worker/widgets (e.g. two monitors)
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-- otherwise the speed will be randomly split among the worker in each monitor
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local prev_rx = 0
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local prev_tx = 0
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local update_widget = function(widget, stdout)
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local cur_vals = split(stdout, '\r\n')
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local cur_rx = 0
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local cur_tx = 0
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for i, v in ipairs(cur_vals) do
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if i%2 == 1 then cur_rx = cur_rx + v end
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if i%2 == 0 then cur_tx = cur_tx + v end
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end
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local speed_rx = (cur_rx - prev_rx) / timeout
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local speed_tx = (cur_tx - prev_tx) / timeout
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widget:set_rx_text(convert_to_h(speed_rx))
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widget:set_tx_text(convert_to_h(speed_tx))
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prev_rx = cur_rx
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prev_tx = cur_tx
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end
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watch(string.format([[bash -c "cat /sys/class/net/%s/statistics/*_bytes"]], interface),
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timeout, update_widget, net_speed_widget)
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return net_speed_widget
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end
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return setmetatable(net_speed_widget, { __call = function(_, ...) return worker(...) end })
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