modules/niu/luasrc/niulib.lua

   1 --[[
   2 LuCI - Lua Configuration Interface
   3
   4 Copyright 2009 Steven Barth <steven@midlink.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 local ipairs, pairs, require = ipairs, pairs, require
  16 local os = require "os"
  17
  18 local uci = require "luci.model.uci"
  19 local cursor = uci.inst
  20 local state = uci.inst_state
  21
  22
  23 module "luci.niulib"
  24
  25 function eth_get_available(except)
  26         local nw = require "luci.model.network"
  27         nw.init(cursor)
  28
  29         local ifs = {}
  30         for _, iface in ipairs(nw.get_interfaces()) do
  31                 if iface:name():find("eth") == 1 then
  32                         local net = iface:get_network()
  33                         if not net or net:name() == except or os.getenv("LUCI_SYSROOT") then
  34                                 ifs[#ifs+1] = iface:name()
  35                         end
  36                 end
  37         end
  38         return ifs
  39 end
  40
  41 function eth_get_bridged(except)
  42         local devs = state:get("network", except, "device") or ""
  43
  44         local ifs = {}
  45         local cnt = 0
  46         for x in devs:gmatch("[^ ]+") do
  47                 cnt = cnt + 1
  48                 if x:find("eth") == 1 then
  49                         ifs[#ifs+1] = x
  50                 end
  51         end
  52         return cnt > 1 and ifs or {}
  53 end
  54
  55 function wifi_get_available(except)
  56         cursor:unload("wireless")
  57
  58         local iwinfo = require "iwinfo"
  59         local used = {}
  60         cursor:foreach("wireless", "wifi-iface", function(s)
  61                 if s[".name"] ~= except and s._niu == 1 then
  62                         used[s.device] = 1
  63                 end
  64         end)
  65
  66         for k in pairs(used) do
  67                 local t = iwinfo.type(k)
  68                 if t and iwinfo[t] then
  69                         used[k] = (iwinfo[t].mbssid_support(k) < 1)
  70                 end
  71         end
  72
  73         local wifis = {}
  74         cursor:foreach("wireless", "wifi-device", function(s)
  75                 if not used[s[".name"]] then
  76                         wifis[#wifis+1] = s[".name"]
  77                 end
  78         end)
  79         return wifis
  80 end
  81