modules/admin-core: add tools.status helper class

diff --git a/modules/admin-core/luasrc/tools/status.lua b/modules/admin-core/luasrc/tools/status.lua
new file mode 100644 (file)
index 0000000..e327680
--- /dev/null
+++ b/modules/admin-core/luasrc/tools/status.lua
@@ -0,0 +1,94 @@
+--[[
+LuCI - Lua Configuration Interface
+
+Copyright 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
+
+$Id$
+]]--
+
+module("luci.tools.status", package.seeall)
+
+local uci = require "luci.model.uci".cursor()
+
+function dhcp_leases()
+       local rv = { }
+       local nfs = require "nixio.fs"
+       local leasefile = "/var/dhcp.leases"
+
+       uci:foreach("dhcp", "dnsmasq",
+               function(s)
+                       if s.leasefile and nfs.access(s.leasefile) then
+                               leasefile = s.leasefile
+                               return false
+                       end
+               end)
+
+       local fd = io.open(leasefile, "r")
+       if fd then
+               while true do
+                       local ln = fd:read("*l")
+                       if not ln then
+                               break
+                       else
+                               local ts, mac, ip, name = ln:match("^(%d+) (%S+) (%S+) (%S+)")
+                               if ts and mac and ip and name then
+                                       rv[#rv+1] = {
+                                               expires  = os.difftime(tonumber(ts) or 0, os.time()),
+                                               macaddr  = mac,
+                                               ipaddr   = ip,
+                                               hostname = (name ~= "*") and name
+                                       }
+                               end
+                       end
+               end
+               fd:close()
+       end
+
+       return rv
+end
+
+function wifi_networks()
+       local rv = { }
+       local ntm = require "luci.model.network".init()
+
+       local dev
+       for _, dev in ipairs(ntm:get_wifidevs()) do
+               local rd = {
+                       up       = dev:is_up(),
+                       device   = dev:name(),
+                       name     = dev:get_i18n(),
+                       networks = { }
+               }
+
+               local net
+               for _, net in ipairs(dev:get_wifinets()) do
+                       rd.networks[#rd.networks+1] = {
+                               name       = net:shortname(),
+                               link       = net:adminlink(),
+                               up         = net:is_up(),
+                               mode       = net:active_mode(),
+                               ssid       = net:active_ssid(),
+                               bssid      = net:active_bssid(),
+                               encryption = net:active_encryption(),
+                               frequency  = net:frequency(),
+                               channel    = net:channel(),
+                               signal     = net:signal(),
+                               quality    = net:signal_percent(),
+                               noise      = net:noise(),
+                               bitrate    = net:bitrate(),
+                               ifname     = net:ifname(),
+                               assoclist  = net:assoclist()
+                       }
+               end
+
+               rv[#rv+1] = rd
+       end
+
+       return rv
+end