+++ /dev/null
-
---[[
-
- Licensed under GNU General Public License v2
- * (c) 2013, Luke Bonham
- * (c) 2010-2012, Peter Hofmann
-
---]]
-
-local helpers = require("lain.helpers")
-local naughty = require("naughty")
-local wibox = require("wibox")
-local string = { format = string.format,
- match = string.match }
-local setmetatable = setmetatable
-
--- Network infos
--- lain.widgets.net
-
-local function worker(args)
- local net = { widget = wibox.widget.textbox() }
- net.last_t = 0
- net.last_r = 0
- net.devices = {}
-
- local args = args or {}
- local timeout = args.timeout or 2
- local units = args.units or 1024 --kb
- local notify = args.notify or "on"
- local screen = args.screen or 1
- local settings = args.settings or function() end
-
- -- Compatibility with old API where iface was a string corresponding to 1 interface
- net.iface = (args.iface and (type(args.iface) == "string" and {args.iface}) or
- (type(args.iface) == "table" and args.iface)) or {}
-
- function net.get_device()
- helpers.async(string.format("ip link show", device_cmd), function(ws)
- ws = ws:match("(%w+): <BROADCAST,MULTICAST,.-UP,LOWER_UP>")
- net.iface = ws and { ws } or {}
- end)
- end
-
- if #net.iface == 0 then net.get_device() end
-
- function update()
- -- These are the totals over all specified interfaces
- net_now = {
- -- New api - Current state of requested devices
- devices = {},
- -- Bytes since last iteration
- sent = 0,
- received = 0
- }
-
- -- Total bytes transfered
- local total_t = 0
- local total_r = 0
-
- for i, dev in ipairs(net.iface) do
- local dev_now = {}
- local dev_before = net.devices[dev] or { last_t = 0, last_r = 0 }
- local now_t = tonumber(helpers.first_line(string.format("/sys/class/net/%s/statistics/tx_bytes", dev)) or 0)
- local now_r = tonumber(helpers.first_line(string.format("/sys/class/net/%s/statistics/rx_bytes", dev)) or 0)
-
- dev_now.carrier = helpers.first_line(string.format("/sys/class/net/%s/carrier", dev)) or "0"
- dev_now.state = helpers.first_line(string.format("/sys/class/net/%s/operstate", dev)) or "down"
-
- dev_now.sent = (now_t - dev_before.last_t) / timeout / units
- dev_now.received = (now_r - dev_before.last_r) / timeout / units
-
- net_now.sent = net_now.sent + dev_now.sent
- net_now.received = net_now.received + dev_now.received
-
- dev_now.sent = string.format('%.1f', dev_now.sent)
- dev_now.received = string.format('%.1f', dev_now.received)
-
- dev_now.last_t = now_t
- dev_now.last_r = now_r
-
- -- This will become dev_before in the next update/iteration
- net.devices[dev] = dev_now
-
- total_t = total_t + now_t
- total_r = total_r + now_r
-
- -- Notify only once when connection is loss
- if string.match(dev_now.carrier, "0") and notify == "on" and helpers.get_map(dev) then
- naughty.notify({
- title = dev,
- text = "no carrier",
- icon = helpers.icons_dir .. "no_net.png",
- screen = screen
- })
- helpers.set_map(dev, false)
- elseif string.match(dev_now.carrier, "1") then
- helpers.set_map(dev, true)
- end
-
- net_now.carrier = dev_now.carrier
- net_now.state = dev_now.state
- net_now.devices[dev] = dev_now
- -- new_now.sent and net_now.received will be the
- -- totals across all specified devices
- end
-
- if total_t ~= net.last_t or total_r ~= net.last_r then
- net_now.sent = string.format('%.1f', net_now.sent)
- net_now.received = string.format('%.1f', net_now.received)
- net.last_t = total_t
- net.last_r = total_r
- end
-
- widget = net.widget
- settings()
- end
-
- helpers.newtimer("network", timeout, update)
-
- return net
-end
-
-return setmetatable({}, { __call = function(_, ...) return worker(...) end })