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107 lines
3.2 KiB
107 lines
3.2 KiB
10 years ago
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--[[
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Licensed under GNU General Public License v2
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* (c) 2013, Luke Bonham
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* (c) 2010-2012, Peter Hofmann
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--]]
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local helpers = require("lain.helpers")
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local notify_fg = require("beautiful").fg_focus
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local naughty = require("naughty")
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local wibox = require("wibox")
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local string = { format = string.format,
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gsub = string.gsub,
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match = string.match }
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local setmetatable = setmetatable
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-- Network infos
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-- lain.widgets.net
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local net = {
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last_t = 0,
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last_r = 0
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}
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function net.get_device()
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local ws = helpers.read_pipe("ip link show | cut -d' ' -f2,9")
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ws = ws:match("%w+: UP") or ws:match("ppp%w+: UNKNOWN")
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if ws ~= nil then
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return ws:match("(%w+):")
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else
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return "network off"
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end
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end
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local function worker(args)
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local args = args or {}
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local timeout = args.timeout or 2
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local units = args.units or 1024 --kb
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local notify = args.notify or "on"
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local screen = args.screen or 1
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local settings = args.settings or function() end
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iface = args.iface or net.get_device()
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net.widget = wibox.widget.textbox('')
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helpers.set_map(iface, true)
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function update()
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net_now = {}
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if iface == "" or string.match(iface, "network off")
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then
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iface = net.get_device()
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end
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net_now.carrier = helpers.first_line('/sys/class/net/' .. iface ..
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'/carrier') or "0"
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net_now.state = helpers.first_line('/sys/class/net/' .. iface ..
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'/operstate') or "down"
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local now_t = helpers.first_line('/sys/class/net/' .. iface ..
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'/statistics/tx_bytes') or 0
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local now_r = helpers.first_line('/sys/class/net/' .. iface ..
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'/statistics/rx_bytes') or 0
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net_now.sent = (now_t - net.last_t) / timeout / units
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net_now.sent = string.gsub(string.format('%.1f', net_now.sent), ",", ".")
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net_now.received = (now_r - net.last_r) / timeout / units
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net_now.received = string.gsub(string.format('%.1f', net_now.received), ",", ".")
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widget = net.widget
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settings()
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net.last_t = now_t
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net.last_r = now_r
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if net_now.carrier ~= "1" and notify == "on"
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then
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if helpers.get_map(iface)
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then
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naughty.notify({
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title = iface,
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text = "no carrier",
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timeout = 7,
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position = "top_left",
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icon = helpers.icons_dir .. "no_net.png",
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fg = notify_fg or "#FFFFFF",
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screen = screen
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})
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helpers.set_map(iface, false)
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end
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else
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helpers.set_map(iface, true)
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end
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end
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helpers.newtimer(iface, timeout, update)
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return net.widget
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end
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return setmetatable(net, { __call = function(_, ...) return worker(...) end })
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