root/luci/trunk/applications/luci-minidlna/luasrc/controller/minidlna.lua @ 8526

--[[
LuCI - Lua Configuration Interface - miniDLNA support

Copyright 2012 Gabor Juhos <juhosg@openwrt.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

$Id$
]]--

module("luci.controller.minidlna", package.seeall)

function index()
    if not nixio.fs.access("/etc/config/minidlna") then
        return
    end

    local page

    page = entry({"admin", "services", "minidlna"}, cbi("minidlna"), _("miniDLNA"))
    page.i18n = "minidlna"
    page.dependent = true

    entry({"admin", "services", "minidlna_status"}, call("minidlna_status"))
end

function minidlna_status()
    local sys  = require "luci.sys"
    local uci  = require "luci.model.uci".cursor()
    local port = tonumber(uci:get_first("minidlna", "minidlna", "port"))

    local status = {
        running = (sys.call("pidof minidlna >/dev/null") == 0),
        audio   = 0,
        video   = 0,
        image   = 0
    }

    if status.running then
        local fd = sys.httpget("http://127.0.0.1:%d/" % (port or 8200), true)
        if fd then
            local ln
            repeat
                ln = fd:read("*l")
                if ln and ln:match("files:") then
                    local ftype, fcount = ln:match("(.+) files: (%d+)")
                    status[ftype:lower()] = tonumber(fcount) or 0
                end
            until not ln
            fd:close()
        end
    end

    luci.http.prepare_content("application/json")
    luci.http.write_json(status)
end