X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/40798583795b58e496db607d9d23324b4a7ae09c..4c392a6d980af9c72052145c6a7a812c51e6ecee:/.config/awesome/lain/widget/net.lua

diff --git a/.config/awesome/lain/widget/net.lua b/.config/awesome/lain/widget/net.lua
new file mode 100644
index 0000000..f42ec25
--- /dev/null
+++ b/.config/awesome/lain/widget/net.lua
@@ -0,0 +1,104 @@
+
+--[[
+                                                  
+     Licensed under GNU General Public License v2 
+      * (c) 2013,      Luke Bonham                
+      * (c) 2010-2012, Peter Hofmann              
+                                                  
+--]]
+
+local helpers = require("lain.helpers")
+local naughty = require("naughty")
+local wibox   = require("wibox")
+local string  = { format = string.format, match = string.match }
+
+-- Network infos
+-- lain.widget.net
+
+local function factory(args)
+    local net      = { widget = wibox.widget.textbox(), 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
+                (type(args.iface) == "table" and args.iface)) or {}
+
+    function net.get_device()
+        helpers.async(string.format("ip link show", device_cmd), function(ws)
+            ws = ws:match("(%w+): <BROADCAST,MULTICAST,.-UP,LOWER_UP>")
+            net.iface = ws and { ws } or {}
+        end)
+    end
+
+    if #net.iface == 0 then net.get_device() end
+
+    function net.update()
+        -- These are the totals over all specified interfaces
+        net_now = {
+            devices  = {},
+            -- Bytes since last iteration
+            sent     = 0,
+            received = 0
+        }
+
+        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)
+
+            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.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.format("%.1f", dev_now.sent)
+            dev_now.received = string.format("%.1f", dev_now.received)
+
+            dev_now.last_t   = now_t
+            dev_now.last_r   = now_r
+
+            net.devices[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,
+                    text     = "No carrier",
+                    icon     = helpers.icons_dir .. "no_net.png",
+                    screen   = screen
+                }
+                helpers.set_map(dev, false)
+            elseif string.match(dev_now.carrier, "1") then
+                helpers.set_map(dev, true)
+            end
+
+            net_now.carrier = dev_now.carrier
+            net_now.state = dev_now.state
+            net_now.devices[dev] = dev_now
+            -- new_now.sent and net_now.received will be
+            -- the totals across all specified devices
+        end
+
+        net_now.sent = string.format("%.1f", net_now.sent)
+        net_now.received = string.format("%.1f", net_now.received)
+
+        widget = net.widget
+        settings()
+    end
+
+    helpers.newtimer("network", timeout, net.update)
+
+    return net
+end
+
+return factory