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-- Copyright 2010-2011 Jo-Philipp Wich <jow@openwrt.org>
-- Licensed to the public under the Apache License 2.0.
local utl = require "luci.util"
local sys = require "luci.sys"
local fs = require "nixio.fs"
local nw = require "luci.model.network"
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"
m = Map("vnstat", translate("VnStat"),
translate("VnStat is a network traffic monitor for Linux that keeps a log of network traffic for the selected interface(s)."))
m.submit = translate("Restart VnStat")
m.reset = false
nw.init(luci.model.uci.cursor_state())
local ifaces = { }
local enabled = { }
local iface
if fs.access(dbdir) then
for iface in fs.dir(dbdir) do
if iface:sub(1,1) ~= '.' then
ifaces[iface] = iface
enabled[iface] = iface
end
end
end
for _, iface in ipairs(sys.net.devices()) do
ifaces[iface] = iface
end
local s = m:section(TypedSection, "vnstat")
s.anonymous = true
s.addremove = false
mon_ifaces = s:option(Value, "interface", translate("Monitor selected interfaces"))
mon_ifaces.template = "cbi/network_ifacelist"
mon_ifaces.widget = "checkbox"
mon_ifaces.cast = "table"
mon_ifaces.noinactive = true
mon_ifaces.nocreate = true
function mon_ifaces.write(self, section, val)
local i
local s = { }
if val then
for _, i in ipairs(type(val) == "table" and val or { val }) do
s[i] = true
end
end
for i, _ in pairs(ifaces) do
if not s[i] then
fs.unlink(dbdir .. "/" .. i)
fs.unlink(dbdir .. "/." .. i)
end
end
if next(s) then
m.uci:set_list("vnstat", section, "interface", utl.keys(s))
else
m.uci:delete("vnstat", section, "interface")
end
end
mon_ifaces.remove = mon_ifaces.write
return m
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