Fix vnstat interface with latest release

luci-app-vnstat/luasrc/model/cbi/vnstat.lua

@@ -0,0 +1,48 @@
+-- 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"
+
+
+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 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
+
+	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