applications: add luci-vnstat, frontend for the VnStat traffic monitor

1 files changed, 88 insertions, 0 deletions

diff --git a/applications/luci-vnstat/luasrc/view/vnstat.htm b/applications/luci-vnstat/luasrc/view/vnstat.htm
new file mode 100644
index 0000000000..440252caa7
--- /dev/null
+++ b/applications/luci-vnstat/luasrc/view/vnstat.htm
@@ -0,0 +1,88 @@
+<%#
+LuCI - Lua Configuration Interface
+Copyright 2010 Jo-Philipp Wich <xm@subsignal.org>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+-%>
+
+<%-
+
+local fs  = require "nixio.fs"
+local sys = require "luci.sys"
+local utl = require "luci.util"
+
+local param = luci.http.formvalue
+
+local iface = param("iface")
+local style = param("style")
+
+style = (style and #style > 0) and style or "s"
+
+
+--
+-- render image
+--
+if iface then
+	luci.http.prepare_content("image/png")
+
+	local png = io.popen("vnstati -i %q -%q -o -" % { iface, style })
+	luci.http.write(png:read("*a"))
+	png:close()
+
+	return
+
+--
+-- update database
+--
+else
+	sys.call("vnstat -u >/dev/null 2>/dev/null")
+end
+
+
+--
+-- find databases
+--
+local dbdir, line
+
+for line in io.lines("/etc/vnstat.conf") do
+	dbdir = line:match("^%s*DatabaseDir%s+[\"'](%S-)[\"']")
+	if dbdir then break end
+end
+
+dbdir = dbdir or "/var/lib/vnstat"
+
+-%>
+
+<%+header%>
+
+<h2><a id="content" name="content"><%:VnStat Graphs%></a></h2>
+
+<form action="" method="get">
+
+<select name="style">
+	<option value="s"<%=(style == "s") and ' selected="selected"' or ''%>><%:Summary display%></option>
+	<option value="t"<%=(style == "t") and ' selected="selected"' or ''%>><%:Top 10 display%></option>
+	<option value="h"<%=(style == "h") and ' selected="selected"' or ''%>><%:Hourly traffic%></option>
+	<option value="d"<%=(style == "d") and ' selected="selected"' or ''%>><%:Daily traffic%></option>
+	<option value="m"<%=(style == "m") and ' selected="selected"' or ''%>><%:Monthly traffic%></option>
+</select>
+
+<input type="submit" value="<%:Update »%>" />
+
+</form>
+
+<br /><hr /><br />
+
+<div style="text-align:center">
+<% for iface in fs.dir(dbdir) do if iface:sub(1,1) ~= "." then %>
+	<img src="<%=REQUEST_URI%>?iface=<%=iface%>&amp;style=<%=param('style')%>" alt="" />
+	<br /><br />
+<% end end %>
+</div>
+
+<%+footer%>