]> 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:

projects / etc / awesome.git / blobdiff
? search:
summary | shortlog | log | commit | commitdiff | tree
raw | inline | side by side
#211: wiki updated
[etc/awesome.git] / widgets / net.lua
diff --git a/widgets/net.lua b/widgets/net.lua
index ed1cf4ccc2ec71fae0806d06b1cc32e4ae28a437..18831685d1a11c73aab9f6ab757e7c54e2e7fd35 100644 (file)
--- a/widgets/net.lua
+++ b/widgets/net.lua
@@ -21,7 +21,7 @@ local setmetatable = setmetatable
 -- lain.widgets.net
 
 local function worker(args)
 -- lain.widgets.net
 
 local function worker(args)
-    local net = { last_t = 0, last_r = 0 }
+    local net = { last_t = 0, last_r = 0, devices = {} }
 
     function net.get_first_device()
         local ws = helpers.read_pipe("ip link show | cut -d' ' -f2,9")
 
     function net.get_first_device()
         local ws = helpers.read_pipe("ip link show | cut -d' ' -f2,9")
@@ -53,8 +53,17 @@ local function worker(args)
     end
 
     function update()
     end
 
     function update()
+        -- This check is required to ensure we keep looking for one device if
+        -- none is found by net.get_first_device() at startup (i.e. iftable = {})
+        if next(iftable) == nil then
+            iftable = net.get_first_device()
+        end
+
         -- These are the totals over all specified interfaces
         net_now = {
         -- 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
         }
             sent     = 0,
             received = 0
         }
@@ -65,7 +74,7 @@ local function worker(args)
 
         for i, dev in ipairs(iftable) do
             local dev_now = {}
 
         for i, dev in ipairs(iftable) do
             local dev_now = {}
-            local dev_before = net_now[dev] or net
+            local dev_before = net.devices[dev] or { last_t = 0, last_r = 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'
@@ -73,20 +82,25 @@ local function worker(args)
             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)
 
             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)
 
-            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
+            dev_now.sent     = (now_t - dev_before.last_t) / timeout / units
+            dev_now.received = (now_r - dev_before.last_r) / timeout / units
+
+            net_now.sent     = net_now.sent     + dev_now.sent
+            net_now.received = net_now.received + dev_now.received
+
+            dev_now.sent     = string.gsub(string.format('%.1f', dev_now.sent), ',', '.')
+            dev_now.received = string.gsub(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
 
 
             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,
             if string.match(dev_now.carrier, "0") and notify == "on" and helpers.get_map(dev) then
                 naughty.notify({
                     title    = dev,
@@ -95,21 +109,31 @@ local function worker(args)
                     screen   = screen
                 })
                 helpers.set_map(dev, false)
                     screen   = screen
                 })
                 helpers.set_map(dev, false)
-            else
+            elseif string.match(dev_now.carrier, "1") then
                 helpers.set_map(dev, true)
             end
                 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
         end
 
         if total_t ~= net.last_t or total_r ~= net.last_r then
+            -- Convert to a string to round the digits after the float point
             net_now.sent     = string.gsub(string.format('%.1f', net_now.sent), ',', '.')
             net_now.received = string.gsub(string.format('%.1f', net_now.received), ',', '.')
 
             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
         end
             net.last_t = total_t
             net.last_r = total_r
         end
+
+        widget = net.widget
+        settings()
     end
 
     helpers.newtimer(iface, timeout, update)
     end
 
     helpers.newtimer(iface, timeout, update)
awesome window-manager configuration

Legalese

All content available in this repository is copyright © martin f. krafft, unless otherwise noted.

All files and their content are released under the terms of the Artistic Licence 2.0, unless otherwise noted.

The operator of this repository shall not be held liable for offending content in pages linking to or linked from these page, nor does he endorse their content unless stated otherwise.