applications/luci-vnstat/luasrc/view/vnstat.htm

   1 <%#
   2 LuCI - Lua Configuration Interface
   3 Copyright 2010 Jo-Philipp Wich <xm@subsignal.org>
   4
   5 Licensed under the Apache License, Version 2.0 (the "License");
   6 you may not use this file except in compliance with the License.
   7 You may obtain a copy of the License at
   8
   9         http://www.apache.org/licenses/LICENSE-2.0
  10
  11 -%>
  12
  13 <%-
  14
  15 local fs  = require "nixio.fs"
  16 local sys = require "luci.sys"
  17 local utl = require "luci.util"
  18
  19 local param = luci.http.formvalue
  20
  21 local iface = param("iface")
  22 local style = param("style")
  23
  24 style = (style and #style > 0) and style or "s"
  25
  26
  27 --
  28 -- render image
  29 --
  30 if iface then
  31         luci.http.prepare_content("image/png")
  32
  33         local png = io.popen("vnstati -i %q -%q -o -" % { iface, style })
  34         luci.http.write(png:read("*a"))
  35         png:close()
  36
  37         return
  38
  39 --
  40 -- update database
  41 --
  42 else
  43         sys.call("vnstat -u >/dev/null 2>/dev/null")
  44 end
  45
  46
  47 --
  48 -- find databases
  49 --
  50 local dbdir, line
  51
  52 for line in io.lines("/etc/vnstat.conf") do
  53         dbdir = line:match("^%s*DatabaseDir%s+[\"'](%S-)[\"']")
  54         if dbdir then break end
  55 end
  56
  57 dbdir = dbdir or "/var/lib/vnstat"
  58
  59 -%>
  60
  61 <%+header%>
  62
  63 <h2><a id="content" name="content"><%:VnStat Graphs%></a></h2>
  64
  65 <form action="" method="get">
  66
  67 <select name="style">
  68         <option value="s"<%=(style == "s") and ' selected="selected"' or ''%>><%:Summary display%></option>
  69         <option value="t"<%=(style == "t") and ' selected="selected"' or ''%>><%:Top 10 display%></option>
  70         <option value="h"<%=(style == "h") and ' selected="selected"' or ''%>><%:Hourly traffic%></option>
  71         <option value="d"<%=(style == "d") and ' selected="selected"' or ''%>><%:Daily traffic%></option>
  72         <option value="m"<%=(style == "m") and ' selected="selected"' or ''%>><%:Monthly traffic%></option>
  73 </select>
  74
  75 <input type="submit" value="<%:Update »%>" />
  76
  77 </form>
  78
  79 <br /><hr /><br />
  80
  81 <div style="text-align:center">
  82 <% for iface in fs.dir(dbdir) do if iface:sub(1,1) ~= "." then %>
  83         <img src="<%=REQUEST_URI%>?iface=<%=iface%>&amp;style=<%=param('style')%>" alt="" />
  84         <br /><br />
  85 <% end end %>
  86 </div>
  87
  88 <%+footer%>