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projects / etc / awesome.git / blobdiff
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some cpu usage improvements
[etc/awesome.git] / widgets / net.lua
diff --git a/widgets/net.lua b/widgets/net.lua
index 983da41da0655e5a45ef366833045cda12d0fc80..a4b1097b1b52616cbb02793de1c4c81dca1ed8be 100644 (file)
--- a/widgets/net.lua
+++ b/widgets/net.lua
@@ -8,8 +8,6 @@
 --]]
 
 local helpers      = require("lain.helpers")
 --]]
 
 local helpers      = require("lain.helpers")
-
-local notify_fg    = require("beautiful").fg_focus
 local naughty      = require("naughty")
 local wibox        = require("wibox")
 
 local naughty      = require("naughty")
 local wibox        = require("wibox")
 
@@ -21,81 +19,64 @@ local setmetatable = setmetatable
 
 -- Network infos
 -- lain.widgets.net
 
 -- Network infos
 -- lain.widgets.net
-local net = {}
-
-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 function worker(args)
 
 local function worker(args)
-    local args = args or {}
-    local timeout = args.timeout or 1
-    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 net = { last_t = 0, last_r = 0 }
 
 
-    iface = args.iface or net.get_device()
+    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
+
+    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)
 
     net.widget = wibox.widget.textbox('')
 
     helpers.set_map(iface, true)
-    helpers.set_map("net_t", 0)
-    helpers.set_map("net_r", 0)
 
     function update()
 
     function update()
-        net_now = {
-            sent     = "0.0",
-            received = "0.0"
-        }
+        net_now = {}
 
         if iface == "" or string.match(iface, "network off")
         then
             iface = net.get_device()
         end
 
 
         if iface == "" or string.match(iface, "network off")
         then
             iface = net.get_device()
         end
 
-        local now_t = helpers.first_line('/sys/class/net/' .. iface ..
-                                           '/statistics/tx_bytes') or 0
-        local now_r = helpers.first_line('/sys/class/net/' .. iface ..
-                                           '/statistics/rx_bytes') or 0
-
-        if now_t ~= helpers.get_map("net_t")
-           or now_r ~= helpers.get_map("net_r") then
-            net_now.carrier = helpers.first_line('/sys/class/net/' .. iface ..
-                                           '/carrier') or "0"
-            net_now.state = helpers.first_line('/sys/class/net/' .. iface ..
-                                           '/operstate') or "down"
+        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'
 
 
-            net_now.sent = (now_t - net.last_t) / timeout / units
-            net_now.sent = string.gsub(string.format('%.1f', net_now.sent), ",", ".")
+        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 = (now_r - net.last_r) / timeout / units
-            net_now.received = string.gsub(string.format('%.1f', net_now.received), ",", ".")
+            net_now.received = string.gsub(string.format('%.1f', net_now.received), ',', '.')
 
             widget = net.widget
             settings()
 
 
             widget = net.widget
             settings()
 
-            helpers.set_map("net_t", now_t)
-            helpers.set_map("net_r", now_r)
+            net.last_t = now_t
+            net.last_r = now_r
         end
 
         end
 
-        if net_now.carrier ~= "1" and notify == "on"
+        if not string.match(net_now.carrier, "1") and notify == "on"
         then
             if helpers.get_map(iface)
             then
                 naughty.notify({
                     title    = iface,
                     text     = "no carrier",
         then
             if helpers.get_map(iface)
             then
                 naughty.notify({
                     title    = iface,
                     text     = "no carrier",
-                    timeout  = 7,
-                    position = "top_left",
                     icon     = helpers.icons_dir .. "no_net.png",
                     icon     = helpers.icons_dir .. "no_net.png",
-                    fg       = notify_fg or "#FFFFFF",
                     screen   = screen
                 })
                 helpers.set_map(iface, false)
                     screen   = screen
                 })
                 helpers.set_map(iface, false)
@@ -105,9 +86,9 @@ local function worker(args)
         end
     end
 
         end
     end
 
-    helpers.newtimer(iface, timeout, update, false)
+    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 })
awesome window-manager configuration

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