Rework LuCI build system

[project/luci.git] / applications / luci-app-vnstat / luasrc / model / cbi / vnstat.lua

diff --git a/applications/luci-app-vnstat/luasrc/model/cbi/vnstat.lua b/applications/luci-app-vnstat/luasrc/model/cbi/vnstat.lua
new file mode 100644 (file)
index 0000000..38b06ba
--- /dev/null
+++ b/applications/luci-app-vnstat/luasrc/model/cbi/vnstat.lua
@@ -0,0 +1,91 @@
+--[[
+LuCI - Lua Configuration Interface
+
+Copyright 2010-2011 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 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