modules/luci-base/luasrc/tools/webadmin.lua

   1 -- Copyright 2008 Steven Barth <steven@midlink.org>
   2 -- Copyright 2008-2015 Jo-Philipp Wich <jow@openwrt.org>
   3 -- Licensed to the public under the Apache License 2.0.
   4
   5 module("luci.tools.webadmin", package.seeall)
   6
   7 local util = require "luci.util"
   8 local uci  = require "luci.model.uci"
   9 local ip   = require "luci.ip"
  10
  11 function byte_format(byte)
  12         local suff = {"B", "KB", "MB", "GB", "TB"}
  13         for i=1, 5 do
  14                 if byte > 1024 and i < 5 then
  15                         byte = byte / 1024
  16                 else
  17                         return string.format("%.2f %s", byte, suff[i])
  18                 end
  19         end
  20 end
  21
  22 function date_format(secs)
  23         local suff = {"min", "h", "d"}
  24         local mins = 0
  25         local hour = 0
  26         local days = 0
  27
  28         secs = math.floor(secs)
  29         if secs > 60 then
  30                 mins = math.floor(secs / 60)
  31                 secs = secs % 60
  32         end
  33
  34         if mins > 60 then
  35                 hour = math.floor(mins / 60)
  36                 mins = mins % 60
  37         end
  38
  39         if hour > 24 then
  40                 days = math.floor(hour / 24)
  41                 hour = hour % 24
  42         end
  43
  44         if days > 0 then
  45                 return string.format("%.0fd %02.0fh %02.0fmin %02.0fs", days, hour, mins, secs)
  46         else
  47                 return string.format("%02.0fh %02.0fmin %02.0fs", hour, mins, secs)
  48         end
  49 end
  50
  51 function cbi_add_networks(field)
  52         uci.cursor():foreach("network", "interface",
  53                 function (section)
  54                         if section[".name"] ~= "loopback" then
  55                                 field:value(section[".name"])
  56                         end
  57                 end
  58         )
  59         field.titleref = luci.dispatcher.build_url("admin", "network", "network")
  60 end
  61
  62 function cbi_add_knownips(field)
  63         local _, n
  64         for _, n in ipairs(ip.neighbors({ family = 4 })) do
  65                 if n.dest then
  66                         field:value(n.dest:string())
  67                 end
  68         end
  69 end
  70
  71 function firewall_find_zone(name)
  72         local find
  73
  74         luci.model.uci.cursor():foreach("firewall", "zone",
  75                 function (section)
  76                         if section.name == name then
  77                                 find = section[".name"]
  78                         end
  79                 end
  80         )
  81
  82         return find
  83 end
  84
  85 function iface_get_network(iface)
  86         local link = ip.link(tostring(iface))
  87         if link.master then
  88                 iface = link.master
  89         end
  90
  91         local cur = uci.cursor()
  92         local dump = util.ubus("network.interface", "dump", { })
  93         if dump then
  94                 local _, net
  95                 for _, net in ipairs(dump.interface) do
  96                         if net.l3_device == iface or net.device == iface then
  97                                 -- cross check with uci to filter out @name style aliases
  98                                 local uciname = cur:get("network", net.interface, "ifname")
  99                                 if type(uciname) == "string" and uciname:sub(1,1) ~= "@" or uciname then
 100                                         return net.interface
 101                                 end
 102                         end
 103                 end
 104         end
 105 end