]> 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:

quake: client maximized before awesome restart: after the restart, unmaximize and...
[etc/awesome.git] / widgets / net.lua
index a4b1097b1b52616cbb02793de1c4c81dca1ed8be..83ac6bf7791bba27ca30760d5f50f1c697aff0ad 100644 (file)
@@ -11,8 +11,9 @@ local helpers      = require("lain.helpers")
 local naughty      = require("naughty")
 local wibox        = require("wibox")
 
+local shell        = require("awful.util").shell
+
 local string       = { format = string.format,
-                       gsub   = string.gsub,
                        match  = string.match }
 
 local setmetatable = setmetatable
@@ -21,74 +22,107 @@ local setmetatable = setmetatable
 -- lain.widgets.net
 
 local function worker(args)
-    local net = { last_t = 0, last_r = 0 }
+    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
+
+    -- 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 {}
 
     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
+        helpers.async(string.format("%s -c 'ip link show'", shell, device_cmd), function(ws)
+            ws = ws:match("(%w+): <BROADCAST,MULTICAST,.-,UP,LOWER_UP>")
+            net.iface = ws and { ws } or {}
+        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()
+    if #net.iface == 0 then net.get_device() end
 
-    net.widget = wibox.widget.textbox('')
+    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
+        }
 
-    helpers.set_map(iface, true)
+        -- Total bytes transfered
+        local total_t = 0
+        local total_r = 0
 
-    function update()
-        net_now = {}
+        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)
 
-        if iface == "" or string.match(iface, "network off")
-        then
-            iface = net.get_device()
-        end
+            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"
 
-        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'
+            dev_now.sent     = (now_t - dev_before.last_t) / timeout / units
+            dev_now.received = (now_r - dev_before.last_r) / timeout / units
 
-        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
+            net_now.sent     = net_now.sent     + dev_now.sent
+            net_now.received = net_now.received + dev_now.received
 
-        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), ',', '.')
+            dev_now.sent     = string.format('%.1f', dev_now.sent)
+            dev_now.received = string.format('%.1f', dev_now.received)
 
-            widget = net.widget
-            settings()
+            dev_now.last_t   = now_t
+            dev_now.last_r   = now_r
 
-            net.last_t = now_t
-            net.last_r = now_r
-        end
+            -- 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
 
-        if not string.match(net_now.carrier, "1") and notify == "on"
-        then
-            if helpers.get_map(iface)
-            then
+            -- 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    = iface,
+                    title    = dev,
                     text     = "no carrier",
                     icon     = helpers.icons_dir .. "no_net.png",
                     screen   = screen
                 })
-                helpers.set_map(iface, false)
+                helpers.set_map(dev, false)
+            elseif string.match(dev_now.carrier, "1") then
+                helpers.set_map(dev, true)
             end
-        else
-            helpers.set_map(iface, true)
+
+            -- 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.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 })