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|
-------------------------------------------------
-- Net Speed Widget for Awesome Window Manager
-- Shows current upload/download speed
-- More details could be found here:
-- https://github.com/streetturtle/awesome-wm-widgets/tree/master/net-speed-widget
-- @author Pavel Makhov
-- @copyright 2020 Pavel Makhov
-------------------------------------------------
local watch = require("awful.widget.watch")
local wibox = require("wibox")
local HOME_DIR = os.getenv("HOME")
local WIDGET_DIR = HOME_DIR .. '/.config/awesome/awesome-wm-widgets/net-speed-widget/'
local ICONS_DIR = WIDGET_DIR .. 'icons/'
local net_speed_widget = {}
local function convert_to_h(bytes)
local speed
local dim
local bits = bytes * 8
if bits < 1000 then
speed = bits
dim = 'b'
elseif bits < 1000000 then
speed = bits/1000
dim = 'k'
elseif bits < 1000000000 then
speed = bits/1000000
dim = 'm'
elseif bits < 1000000000000 then
speed = bits/1000000000
dim = 'g'
else
speed = tonumber(bits)
dim = 'b'
end
return math.floor(speed + 0.5) .. dim
end
local function split(string_to_split, separator)
if separator == nil then separator = "%s" end
local t = {}
for str in string.gmatch(string_to_split, "([^".. separator .."]+)") do
table.insert(t, str)
end
return t
end
local function worker(user_args)
local args = user_args or {}
local font = args.font or beautiful.font
local interface = args.interface or '*'
local timeout = args.timeout or 1
local width = args.width or 100
net_speed_widget = wibox.widget {
{
id = 'rx_speed',
forced_width = width,
align = 'right',
font = font,
widget = wibox.widget.textbox
},
--[[
{
image = ICONS_DIR .. 'down.svg',
widget = wibox.widget.imagebox
},
{
image = ICONS_DIR .. 'up.svg',
widget = wibox.widget.imagebox
},
--]]
---[[
{
text = "⬆️⬇️",
widget = wibox.widget.textbox
},
--]]
{
id = 'tx_speed',
forced_width = width,
align = 'left',
font = font,
widget = wibox.widget.textbox
},
layout = wibox.layout.fixed.horizontal,
set_rx_text = function(self, new_rx_speed)
self:get_children_by_id('rx_speed')[1]:set_text(tostring(new_rx_speed))
end,
set_tx_text = function(self, new_tx_speed)
self:get_children_by_id('tx_speed')[1]:set_text(tostring(new_tx_speed))
end
}
-- make sure these are not shared across different worker/widgets (e.g. two monitors)
-- otherwise the speed will be randomly split among the worker in each monitor
local prev_rx = 0
local prev_tx = 0
local update_widget = function(widget, stdout)
local cur_vals = split(stdout, '\r\n')
local cur_rx = 0
local cur_tx = 0
for i, v in ipairs(cur_vals) do
if i%2 == 1 then cur_rx = cur_rx + v end
if i%2 == 0 then cur_tx = cur_tx + v end
end
local speed_rx = (cur_rx - prev_rx) / timeout
local speed_tx = (cur_tx - prev_tx) / timeout
widget:set_rx_text(convert_to_h(speed_rx))
widget:set_tx_text(convert_to_h(speed_tx))
prev_rx = cur_rx
prev_tx = cur_tx
end
watch(string.format([[bash -c "cat /sys/class/net/%s/statistics/*_bytes"]], interface),
timeout, update_widget, net_speed_widget)
return net_speed_widget
end
return setmetatable(net_speed_widget, { __call = function(_, ...) return worker(...) end })
|
