X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/84313cc876bce8b346ca83934de57b50488ab8cd..c8a5a8e50217cee17ce58b2946e8559638a8adfd:/widgets/net.lua diff --git a/widgets/net.lua b/widgets/net.lua index ed1cf4c..e8583e0 100644 --- a/widgets/net.lua +++ b/widgets/net.lua @@ -10,51 +10,45 @@ local helpers = require("lain.helpers") local naughty = require("naughty") local wibox = require("wibox") - local string = { format = string.format, - gsub = string.gsub, match = string.match } - local setmetatable = setmetatable -- Network infos -- lain.widgets.net local function worker(args) - local net = { last_t = 0, last_r = 0 } - - function net.get_first_device() - local ws = helpers.read_pipe("ip link show | cut -d' ' -f2,9") - ws = ws:match("%w+: UP") or ws:match("ppp%w+: UNKNOWN") - if ws then return { ws:match("(%w+):") } - else return {} end - end + local net = helpers.make_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 - 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 - local iface = args.iface or net.get_first_device() + -- 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 {} - net.widget = wibox.widget.textbox('') - -- Compatibility with old API where iface was a string corresponding to 1 interface - if type(iface) == "string" then - iftable = {iface} - else - iftable = iface + function net.get_device() + helpers.async(string.format("ip link show", device_cmd), function(ws) + ws = ws:match("(%w+): ") + net.iface = ws and { ws } or {} + end) end - -- Mark all devices as initially online/active - for i, dev in ipairs(iftable) do - helpers.set_map(dev, true) - 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 } @@ -63,30 +57,34 @@ local function worker(args) local total_t = 0 local total_r = 0 - for i, dev in ipairs(iftable) do - local dev_now = {} - local dev_before = net_now[dev] or net + 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.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" - 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.sent = (now_t - dev_before.last_t) / timeout / units + dev_now.received = (now_r - dev_before.last_r) / timeout / units - if now_t ~= dev_before.last_t or now_r ~= dev_before.last_r then - dev_now.sent = (now_t - (dev_before.last_t or 0)) / timeout / units - net_now.sent = net_now.sent + dev_now.sent - dev_now.sent = string.gsub(string.format('%.1f', dev_now.sent), ',', '.') - dev_now.received = (now_r - (dev_before.last_r or 0)) / timeout / units - net_now.received = net_now.received + dev_now.received - dev_now.received = string.gsub(string.format('%.1f', dev_now.received), ',', '.') - end + 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 - net_now[dev] = dev_now - + -- 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, @@ -95,26 +93,33 @@ local function worker(args) screen = screen }) helpers.set_map(dev, false) - else + elseif string.match(dev_now.carrier, "1") then helpers.set_map(dev, true) end + + -- Old api compatibility + net_now.carrier = dev_now.carrier + net_now.state = dev_now.state + -- And new api + net_now.devices[dev] = dev_now + -- With the new api 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.gsub(string.format('%.1f', net_now.sent), ',', '.') - net_now.received = string.gsub(string.format('%.1f', net_now.received), ',', '.') - - widget = net.widget - settings() - - net.last_t = total_t - net.last_r = total_r + 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(iface, timeout, update) + helpers.newtimer(net.iface, timeout, update) - return setmetatable(net, { __index = net.widget }) + return net end return setmetatable({}, { __call = function(_, ...) return worker(...) end })