+++ /dev/null
---[[
-
- Licensed under GNU General Public License v2
- * (c) 2013, Luca CPZ
- * (c) 2010-2012, Peter Hofmann
-
---]]
-
-local helpers = require("lain.helpers")
-local naughty = require("naughty")
-local wibox = require("wibox")
-local string = string
-
--- Network infos
--- lain.widget.net
-
-local function factory(args)
- local net = { widget = wibox.widget.textbox(), 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 wifi_state = args.wifi_state or "off"
- local eth_state = args.eth_state or "off"
- 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.line_callback("ip link", function(line)
- net.iface[#net.iface + 1] = not string.match(line, "LOOPBACK") and string.match(line, "(%w+): <") or nil
- end)
- end
-
- if #net.iface == 0 then net.get_device() end
-
- function net.update()
- -- These are the totals over all specified interfaces
- net_now = {
- devices = {},
- -- Bytes since last iteration
- sent = 0,
- received = 0
- }
-
- for _, 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
-
- if wifi_state == "on" and helpers.first_line(string.format("/sys/class/net/%s/uevent", dev)) == "DEVTYPE=wlan" and string.match(dev_now.carrier, "1") then
- dev_now.wifi = true
- dev_now.signal = tonumber(string.match(helpers.lines_from("/proc/net/wireless")[3], "(%-%d+%.)")) or nil
- end
-
- if eth_state == "on" and helpers.first_line(string.format("/sys/class/net/%s/uevent", dev)) ~= "DEVTYPE=wlan" and string.match(dev_now.carrier, "1") then
- dev_now.ethernet = true
- end
-
- net.devices[dev] = dev_now
-
- -- Notify only once when connection is lost
- 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
- -- net_now.sent and net_now.received will be
- -- the totals across all specified devices
- end
-
- net_now.sent = string.format("%.1f", net_now.sent)
- net_now.received = string.format("%.1f", net_now.received)
-
- widget = net.widget
- settings()
- end
-
- helpers.newtimer("network", timeout, net.update)
-
- return net
-end
-
-return factory
projects / etc / awesome.git / blobdiff