]> git.madduck.net Git - etc/awesome.git/blobdiff - widgets/net.lua

madduck's git repository

Every one of the projects in this repository is available at the canonical URL git://git.madduck.net/madduck/pub/<projectpath> — see each project's metadata for the exact URL.

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.

SSH access, as well as push access can be individually arranged.

If you use my repositories frequently, consider adding the following snippet to ~/.gitconfig and using the third clone URL listed for each project:

[url "git://git.madduck.net/madduck/"]
  insteadOf = madduck:

Merge branch 'patch-3' of https://github.com/andering/lain into andering-patch-3
[etc/awesome.git] / widgets / net.lua
index f361146d0d72d5303bb2868114ff591c8e7622cc..a4b1097b1b52616cbb02793de1c4c81dca1ed8be 100644 (file)
                                                   
 --]]
 
-local markup       = require("lain.util.markup")
 local helpers      = require("lain.helpers")
-
-local awful        = require("awful")
-local beautiful    = require("beautiful")
+local naughty      = require("naughty")
 local wibox        = require("wibox")
 
-local io           = io
-local tostring     = tostring
-local string       = { format = string.format }
+local string       = { format = string.format,
+                       gsub   = string.gsub,
+                       match  = string.match }
 
 local setmetatable = setmetatable
 
 -- Network infos
 -- lain.widgets.net
-local net = {
-    send = "0",
-    recv = "0",
-    last_t = {},
-    last_r = {}
-}
-
-local unit = {
-    ["b"] = 1,
-    ["kb"] = 1024,
-    ["mb"] = 1024^2,
-    ["gb"] = 1024^3
-}
-
-function net.get_device()
-    f = io.popen("ip link show | cut -d' ' -f2,9")
-    ws = f:read("*all")
-    f:close()
-    ws = ws:match("%w+: UP")
-    if ws ~= nil then
-        return ws:gsub(": UP", "")
-    else
-        return ""
+
+local function worker(args)
+    local net = { last_t = 0, last_r = 0 }
+
+    function net.get_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 "network off" end
     end
-end
 
-function worker(args)
-    local args = args or {}
-    local iface = args.iface or net.get_device()
-    local delta = args.refresh_timeout or 2
-    local unit = args.unit or unit["kb"]
-    local spr = args.spr or " "
-    local header = args.header or iface
-    local header_color = args.header_color or beautiful.fg_normal or "#FFFFFF"
-    local color_up = args.color_up or beautiful.fg_focus or header_color
-    local color_down = args.color_down or beautiful.fg_focus or header_color
-    local app = args.app or "sudo wifi-menu"
+    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_device()
+
+    net.widget = wibox.widget.textbox('')
 
     helpers.set_map(iface, true)
-    helpers.set_map("carrier", 0)
 
-    local mynet = wibox.widget.textbox()
+    function update()
+        net_now = {}
 
-    local mynetupdate = function()
-        if iface == "" then
+        if iface == "" or string.match(iface, "network off")
+        then
             iface = net.get_device()
-            header = iface
         end
 
-        local carrier = helpers.first_line('/sys/class/net/' .. iface ..
-                                           '/carrier') or ""
-        local state = helpers.first_line('/sys/class/net/' .. iface ..
-                                           '/operstate')
-        local now_t = helpers.first_line('/sys/class/net/' .. iface ..
-                                           '/statistics/tx_bytes')
-        local now_r = helpers.first_line('/sys/class/net/' .. iface ..
-                                           '/statistics/rx_bytes')
-        local text = '<span color="' .. header_color .. '">' .. header .. '</span> '
-
-        if carrier ~= "1"
+        net_now.carrier  = helpers.first_line(string.format('/sys/class/net/%s/carrier', iface)) or '0'
+        net_now.state    = helpers.first_line(string.format('/sys/class/net/%s/operstate', iface)) or 'down'
+
+        local now_t      = helpers.first_line(string.format('/sys/class/net/%s/statistics/tx_bytes', iface)) or 0
+        local now_r      = helpers.first_line(string.format('/sys/class/net/%s/statistics/rx_bytes', iface)) or 0
+
+        if now_t ~= net.last_t or now_r ~= net.last_r then  
+            net_now.sent     = (now_t - net.last_t) / timeout / units
+            net_now.sent     = string.gsub(string.format('%.1f', net_now.sent), ',', '.')
+            net_now.received = (now_r - net.last_r) / timeout / units
+            net_now.received = string.gsub(string.format('%.1f', net_now.received), ',', '.')
+
+            widget = net.widget
+            settings()
+
+            net.last_t = now_t
+            net.last_r = now_r
+        end
+
+        if not string.match(net_now.carrier, "1") and notify == "on"
         then
             if helpers.get_map(iface)
             then
-                n_title = iface
-                if n_title == "" then
-                    n_title = "network"
-                    header = "Net"
-                end
-                naughty.notify({ title = n_title, text = "no carrier",
-                                 timeout = 7,
-                                 position = "top_left",
-                                 icon = beautiful.lain_no_net_notify or
-                                        helpers.icons_dir .. "no_net.png",
-                                 fg = beautiful.fg_focus or "#FFFFFF" })
-
-                mynet:set_markup(markup(header_color, header) .. markup(color_up, " Off"))
+                naughty.notify({
+                    title    = iface,
+                    text     = "no carrier",
+                    icon     = helpers.icons_dir .. "no_net.png",
+                    screen   = screen
+                })
                 helpers.set_map(iface, false)
             end
-            return
         else
             helpers.set_map(iface, true)
         end
-
-        if state == 'down' or not now_t or not now_r
-        then
-            mynet:set_markup(' ' .. text .. '-' .. ' ')
-            return
-        end
-
-        if net.last_t[iface] and net.last_t[iface]
-        then
-            net.send = tostring((now_t - net.last_t[iface]) / delta / unit)
-            net.recv = tostring((now_r - net.last_r[iface]) / delta / unit)
-
-            text = text
-                   .. '<span color="' .. color_up .. '">'
-                   .. string.format('%.1f', net.send)
-                   .. '</span>'
-                   ..  spr
-                   .. '<span color="' .. color_down .. '">'
-                   .. string.format('%.1f', net.recv)
-                   .. '</span>'
-
-            mynet:set_markup(' ' .. text .. ' ')
-        else
-            mynet:set_markup(' ' .. text .. '-' .. ' ')
-        end
-
-        net.last_t[iface] = now_t
-        net.last_r[iface] = now_r
     end
 
-    local mynettimer = timer({ timeout = delta })
-    mynettimer:connect_signal("timeout", mynetupdate)
-    mynettimer:start()
-    mynettimer:emit_signal("timeout")
-
-    mynet:buttons(awful.util.table.join(
-            awful.button({}, 0, function()
-                helpers.run_in_terminal(app)
-                mynetupdate()
-            end)))
-
-    net.widget = mynet
+    helpers.newtimer(iface, timeout, update)
 
     return setmetatable(net, { __index = net.widget })
 end
 
-return setmetatable(net, { __call = function(_, ...) return worker(...) end })
+return setmetatable({}, { __call = function(_, ...) return worker(...) end })