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 ]]--
  13
  14 module("luci.tools.status", package.seeall)
  15
  16 local uci = require "luci.model.uci".cursor()
  17
  18 local function dhcp_leases_common(family)
  19         local rv = { }
  20         local nfs = require "nixio.fs"
  21         local leasefile = "/var/dhcp.leases"
  22
  23         uci:foreach("dhcp", "dnsmasq",
  24                 function(s)
  25                         if s.leasefile and nfs.access(s.leasefile) then
  26                                 leasefile = s.leasefile
  27                                 return false
  28                         end
  29                 end)
  30
  31         local fd = io.open(leasefile, "r")
  32         if fd then
  33                 while true do
  34                         local ln = fd:read("*l")
  35                         if not ln then
  36                                 break
  37                         else
  38                                 local ts, mac, ip, name, duid = ln:match("^(%d+) (%S+) (%S+) (%S+) (%S+)")
  39                                 if ts and mac and ip and name and duid then
  40                                         if family == 4 and not ip:match(":") 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                                         elseif family == 6 and ip:match(":") then
  48                                                 rv[#rv+1] = {
  49                                                         expires  = os.difftime(tonumber(ts) or 0, os.time()),
  50                                                         ip6addr  = ip,
  51                                                         duid     = (duid ~= "*") and duid,
  52                                                         hostname = (name ~= "*") and name
  53                                                 }
  54                                         end
  55                                 end
  56                         end
  57                 end
  58                 fd:close()
  59         end
  60
  61         return rv
  62 end
  63
  64 function dhcp_leases()
  65         return dhcp_leases_common(4)
  66 end
  67
  68 function dhcp6_leases()
  69         if luci.sys.call("dnsmasq --version 2>/dev/null | grep -q ' DHCPv6 '") == 0 then
  70                 return dhcp_leases_common(6)
  71         else
  72                 return nil
  73         end
  74 end
  75
  76 function wifi_networks()
  77         local rv = { }
  78         local ntm = require "luci.model.network".init()
  79
  80         local dev
  81         for _, dev in ipairs(ntm:get_wifidevs()) do
  82                 local rd = {
  83                         up       = dev:is_up(),
  84                         device   = dev:name(),
  85                         name     = dev:get_i18n(),
  86                         networks = { }
  87                 }
  88
  89                 local net
  90                 for _, net in ipairs(dev:get_wifinets()) do
  91                         rd.networks[#rd.networks+1] = {
  92                                 name       = net:shortname(),
  93                                 link       = net:adminlink(),
  94                                 up         = net:is_up(),
  95                                 mode       = net:active_mode(),
  96                                 ssid       = net:active_ssid(),
  97                                 bssid      = net:active_bssid(),
  98                                 encryption = net:active_encryption(),
  99                                 frequency  = net:frequency(),
 100                                 channel    = net:channel(),
 101                                 signal     = net:signal(),
 102                                 quality    = net:signal_percent(),
 103                                 noise      = net:noise(),
 104                                 bitrate    = net:bitrate(),
 105                                 ifname     = net:ifname(),
 106                                 assoclist  = net:assoclist(),
 107                                 country    = net:country(),
 108                                 txpower    = net:txpower(),
 109                                 txpoweroff = net:txpower_offset()
 110                         }
 111                 end
 112
 113                 rv[#rv+1] = rd
 114         end
 115
 116         return rv
 117 end
 118
 119 function wifi_network(id)
 120         local ntm = require "luci.model.network".init()
 121         local net = ntm:get_wifinet(id)
 122         if net then
 123                 local dev = net:get_device()
 124                 if dev then
 125                         return {
 126                                 id         = id,
 127                                 name       = net:shortname(),
 128                                 link       = net:adminlink(),
 129                                 up         = net:is_up(),
 130                                 mode       = net:active_mode(),
 131                                 ssid       = net:active_ssid(),
 132                                 bssid      = net:active_bssid(),
 133                                 encryption = net:active_encryption(),
 134                                 frequency  = net:frequency(),
 135                                 channel    = net:channel(),
 136                                 signal     = net:signal(),
 137                                 quality    = net:signal_percent(),
 138                                 noise      = net:noise(),
 139                                 bitrate    = net:bitrate(),
 140                                 ifname     = net:ifname(),
 141                                 assoclist  = net:assoclist(),
 142                                 country    = net:country(),
 143                                 txpower    = net:txpower(),
 144                                 txpoweroff = net:txpower_offset(),
 145                                 device     = {
 146                                         up     = dev:is_up(),
 147                                         device = dev:name(),
 148                                         name   = dev:get_i18n()
 149                                 }
 150                         }
 151                 end
 152         end
 153         return { }
 154 end
 155
 156 function switch_status(dev)
 157         local ports = { }
 158         local swc = io.popen("swconfig dev %q show" % dev, "r")
 159         if swc then
 160                 local l
 161                 repeat
 162                         l = swc:read("*l")
 163                         if l then
 164                                 local port, up = l:match("port:(%d+) link:(%w+)")
 165                                 if port then
 166                                         local speed  = l:match(" speed:(%d+)")
 167                                         local duplex = l:match(" (%w+)-duplex")
 168                                         local txflow = l:match(" (txflow)")
 169                                         local rxflow = l:match(" (rxflow)")
 170                                         local auto   = l:match(" (auto)")
 171
 172                                         ports[#ports+1] = {
 173                                                 port   = tonumber(port) or 0,
 174                                                 speed  = tonumber(speed) or 0,
 175                                                 link   = (up == "up"),
 176                                                 duplex = (duplex == "full"),
 177                                                 rxflow = (not not rxflow),
 178                                                 txflow = (not not txflow),
 179                                                 auto   = (not not auto)
 180                                         }
 181                                 end
 182                         end
 183                 until not l
 184                 swc:close()
 185         end
 186         return ports
 187 end