wiki updated

[etc/awesome.git] / widgets / net.lua

diff --git a/widgets/net.lua b/widgets/net.lua
index b3deca6b471a68bd4e3640b9a4f54fc49874ca37..702937cc7938850f4bcc4fe8fb8503ac305c2a91 100644 (file)
--- a/widgets/net.lua
+++ b/widgets/net.lua
@@ -13,47 +13,48 @@ local notify_fg    = require("beautiful").fg_focus
 local naughty      = require("naughty")
 local wibox        = require("wibox")
 
 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 }
+                       gsub   = string.gsub,
+                       match  = string.match }

 
 local setmetatable = setmetatable
 
 -- Network infos
 -- lain.widgets.net
 
 local setmetatable = setmetatable
 
 -- Network infos
 -- lain.widgets.net

-local net = {
-    last_t = 0,
-    last_r = 0
-}
-
-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 ""
-    end
-end

 
 local function worker(args)
 
 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 ~= nil then
+            return ws:match("(%w+):")
+        else
+            return "network off"
+        end
+    end
+

     local args = args or {}
     local timeout = args.timeout or 2
     local args = args or {}
     local timeout = args.timeout or 2

-    local iface = args.iface or net.get_device()

     local units = args.units or 1024 --kb
     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 settings = args.settings or function() end
 

+    iface = args.iface or net.get_device()
+

     net.widget = wibox.widget.textbox('')
 
     helpers.set_map(iface, true)
 
     net.widget = wibox.widget.textbox('')
 
     helpers.set_map(iface, true)
 

-    function update() 
+    function update()

         net_now = {}
 
         net_now = {}
 

-        if iface == "" then iface = net.get_device() end
+        if iface == "" or string.match(iface, "network off")
+        then
+            iface = net.get_device()
+        end

 
         net_now.carrier = helpers.first_line('/sys/class/net/' .. iface ..
                                            '/carrier') or "0"
 
         net_now.carrier = helpers.first_line('/sys/class/net/' .. iface ..
                                            '/carrier') or "0"


@@ -64,10 +65,10 @@ local function worker(args)
         local now_r = helpers.first_line('/sys/class/net/' .. iface ..
                                            '/statistics/rx_bytes') or 0
 
         local now_r = helpers.first_line('/sys/class/net/' .. iface ..
                                            '/statistics/rx_bytes') or 0
 

-        net_now.sent = tostring((now_t - net.last_t) / timeout / units)
+        net_now.sent = (now_t - net.last_t) / timeout / units

         net_now.sent = string.gsub(string.format('%.1f', net_now.sent), ",", ".")
 
         net_now.sent = string.gsub(string.format('%.1f', net_now.sent), ",", ".")
 

-        net_now.received = tostring((now_r - net.last_r) / timeout / units)
+        net_now.received = (now_r - net.last_r) / timeout / units

         net_now.received = string.gsub(string.format('%.1f', net_now.received), ",", ".")
 
         widget = net.widget
         net_now.received = string.gsub(string.format('%.1f', net_now.received), ",", ".")
 
         widget = net.widget


@@ -76,19 +77,18 @@ local function worker(args)
         net.last_t = now_t
         net.last_r = now_r
 
         net.last_t = now_t
         net.last_r = now_r
 

-        if net_now.carrier ~= "1"
+        if net_now.carrier ~= "1" and notify == "on"

         then
             if helpers.get_map(iface)
             then
         then
             if helpers.get_map(iface)
             then

-                n_title = iface
-                if n_title == "" then n_title = "network" end

                 naughty.notify({
                 naughty.notify({

-                    title    = n_title,
+                    title    = iface,

                     text     = "no carrier",
                     timeout  = 7,
                     position = "top_left",
                     icon     = helpers.icons_dir .. "no_net.png",
                     text     = "no carrier",
                     timeout  = 7,
                     position = "top_left",
                     icon     = helpers.icons_dir .. "no_net.png",

-                    fg       = notify_fg or "#FFFFFF"
+                    fg       = notify_fg or "#FFFFFF",
+                    screen   = screen

                 })
                 helpers.set_map(iface, false)
             end
                 })
                 helpers.set_map(iface, false)
             end


@@ -98,7 +98,8 @@ local function worker(args)
     end
 
     helpers.newtimer(iface, timeout, update)
     end
 
     helpers.newtimer(iface, timeout, update)

-    return net.widget
+
+    return setmetatable(net, { __index = net.widget })

 end
 
 end
 

-return setmetatable(net, { __call = function(_, ...) return worker(...) end })
+return setmetatable({}, { __call = function(_, ...) return worker(...) end })