All patches and comments are welcome. Please squash your changes to logical
commits before using git-format-patch and git-send-email to
patches@git.madduck.net.
If you'd read over the Git project's submission guidelines and adhered to them,
I'd be especially grateful.
3 Licensed under GNU General Public License v2
5 * (c) 2010-2012, Peter Hofmann
9 local helpers = require("lain.helpers")
10 local naughty = require("naughty")
11 local wibox = require("wibox")
12 local string = { format = string.format, match = string.match }
17 local function factory(args)
18 local net = { widget = wibox.widget.textbox(), devices = {} }
19 local args = args or {}
20 local timeout = args.timeout or 2
21 local units = args.units or 1024 -- KB
22 local notify = args.notify or "on"
23 local wifi_state = args.wifi_state or "off"
24 local eth_state = args.eth_state or "off"
25 local screen = args.screen or 1
26 local settings = args.settings or function() end
28 -- Compatibility with old API where iface was a string corresponding to 1 interface
29 net.iface = (args.iface and (type(args.iface) == "string" and {args.iface}) or
30 (type(args.iface) == "table" and args.iface)) or {}
32 function net.get_device()
33 helpers.line_callback("ip link", function(line)
34 net.iface[#net.iface + 1] = not string.match(line, "LOOPBACK") and string.match(line, "(%w+): <") or nil
38 if #net.iface == 0 then net.get_device() end
41 -- These are the totals over all specified interfaces
44 -- Bytes since last iteration
49 for _, dev in ipairs(net.iface) do
51 local dev_before = net.devices[dev] or { last_t = 0, last_r = 0 }
52 local now_t = tonumber(helpers.first_line(string.format("/sys/class/net/%s/statistics/tx_bytes", dev)) or 0)
53 local now_r = tonumber(helpers.first_line(string.format("/sys/class/net/%s/statistics/rx_bytes", dev)) or 0)
55 dev_now.carrier = helpers.first_line(string.format("/sys/class/net/%s/carrier", dev)) or "0"
56 dev_now.state = helpers.first_line(string.format("/sys/class/net/%s/operstate", dev)) or "down"
58 dev_now.sent = (now_t - dev_before.last_t) / timeout / units
59 dev_now.received = (now_r - dev_before.last_r) / timeout / units
61 net_now.sent = net_now.sent + dev_now.sent
62 net_now.received = net_now.received + dev_now.received
64 dev_now.sent = string.format("%.1f", dev_now.sent)
65 dev_now.received = string.format("%.1f", dev_now.received)
67 dev_now.last_t = now_t
68 dev_now.last_r = now_r
70 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
72 dev_now.signal = tonumber(string.match(helpers.lines_from("/proc/net/wireless")[3], "(%-%d+%.)")) or nil
75 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
76 dev_now.ethernet = true
79 net.devices[dev] = dev_now
81 -- Notify only once when connection is lost
82 if string.match(dev_now.carrier, "0") and notify == "on" and helpers.get_map(dev) then
86 icon = helpers.icons_dir .. "no_net.png",
89 helpers.set_map(dev, false)
90 elseif string.match(dev_now.carrier, "1") then
91 helpers.set_map(dev, true)
94 net_now.carrier = dev_now.carrier
95 net_now.state = dev_now.state
96 net_now.devices[dev] = dev_now
97 -- net_now.sent and net_now.received will be
98 -- the totals across all specified devices
101 net_now.sent = string.format("%.1f", net_now.sent)
102 net_now.received = string.format("%.1f", net_now.received)
108 helpers.newtimer("network", timeout, net.update)