modules/admin-core/luasrc/tools/status.lua

   1 --[[
   2 LuCI - Lua Configuration Interface
   3
   4 Copyright 2011 Jo-Philipp Wich <xm@subsignal.org>
   5
   6 Licensed under the Apache License, Version 2.0 (the "License");
   7 you may not use this file except in compliance with the License.
   8 You may obtain a copy of the License at
   9
  10         http://www.apache.org/licenses/LICENSE-2.0
  11
  12 $Id$
  13 ]]--
  14
  15 module("luci.tools.status", package.seeall)
  16
  17 local uci = require "luci.model.uci".cursor()
  18
  19 function dhcp_leases()
  20         local rv = { }
  21         local nfs = require "nixio.fs"
  22         local leasefile = "/var/dhcp.leases"
  23
  24         uci:foreach("dhcp", "dnsmasq",
  25                 function(s)
  26                         if s.leasefile and nfs.access(s.leasefile) then
  27                                 leasefile = s.leasefile
  28                                 return false
  29                         end
  30                 end)
  31
  32         local fd = io.open(leasefile, "r")
  33         if fd then
  34                 while true do
  35                         local ln = fd:read("*l")
  36                         if not ln then
  37                                 break
  38                         else
  39                                 local ts, mac, ip, name = ln:match("^(%d+) (%S+) (%S+) (%S+)")
  40                                 if ts and mac and ip and name then
  41                                         rv[#rv+1] = {
  42                                                 expires  = os.difftime(tonumber(ts) or 0, os.time()),
  43                                                 macaddr  = mac,
  44                                                 ipaddr   = ip,
  45                                                 hostname = (name ~= "*") and name
  46                                         }
  47                                 end
  48                         end
  49                 end
  50                 fd:close()
  51         end
  52
  53         return rv
  54 end
  55
  56 function wifi_networks()
  57         local rv = { }
  58         local ntm = require "luci.model.network".init()
  59
  60         local dev
  61         for _, dev in ipairs(ntm:get_wifidevs()) do
  62                 local rd = {
  63                         up       = dev:is_up(),
  64                         device   = dev:name(),
  65                         name     = dev:get_i18n(),
  66                         networks = { }
  67                 }
  68
  69                 local net
  70                 for _, net in ipairs(dev:get_wifinets()) do
  71                         rd.networks[#rd.networks+1] = {
  72                                 name       = net:shortname(),
  73                                 link       = net:adminlink(),
  74                                 up         = net:is_up(),
  75                                 mode       = net:active_mode(),
  76                                 ssid       = net:active_ssid(),
  77                                 bssid      = net:active_bssid(),
  78                                 encryption = net:active_encryption(),
  79                                 frequency  = net:frequency(),
  80                                 channel    = net:channel(),
  81                                 signal     = net:signal(),
  82                                 quality    = net:signal_percent(),
  83                                 noise      = net:noise(),
  84                                 bitrate    = net:bitrate(),
  85                                 ifname     = net:ifname(),
  86                                 assoclist  = net:assoclist()
  87                         }
  88                 end
  89
  90                 rv[#rv+1] = rd
  91         end
  92
  93         return rv
  94 end