modules/admin-full/luasrc/model/cbi/admin_network/dhcpleases.lua

   1 --[[
   2 LuCI - Lua Configuration Interface
   3
   4 Copyright 2008 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 uci = require "luci.model.uci".cursor()
  16 local sys = require "luci.sys"
  17 local wa  = require "luci.tools.webadmin"
  18 local fs  = require "nixio.fs"
  19
  20 m2 = Map("dhcp", translate("DHCP Leases"),
  21         translate("Static leases are used to assign fixed IP addresses and symbolic hostnames to " ..
  22                 "DHCP clients. They are also required for non-dynamic interface configurations where " ..
  23                 "only hosts with a corresponding lease are served."))
  24
  25 local leasefn, leasefp, leases
  26 uci:foreach("dhcp", "dnsmasq",
  27  function(section)
  28         leasefn = section.leasefile
  29  end
  30 )
  31 local leasefp = leasefn and fs.access(leasefn) and io.lines(leasefn)
  32 if leasefp then
  33         leases = {}
  34         for lease in leasefp do
  35                 table.insert(leases, luci.util.split(lease, " "))
  36         end
  37 end
  38
  39 if leases then
  40         v = m2:section(Table, leases, translate("Active Leases"))
  41
  42         name = v:option(DummyValue, 4, translate("Hostname"))
  43         function name.cfgvalue(self, ...)
  44                 local value = DummyValue.cfgvalue(self, ...)
  45                 return (value == "*") and "?" or value
  46         end
  47
  48         ip = v:option(DummyValue, 3, translate("<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"))
  49
  50         mac  = v:option(DummyValue, 2, translate("<abbr title=\"Media Access Control\">MAC</abbr>-Address"))
  51
  52         ltime = v:option(DummyValue, 1, translate("Leasetime remaining"))
  53         function ltime.cfgvalue(self, ...)
  54                 local value = DummyValue.cfgvalue(self, ...)
  55                 return wa.date_format(os.difftime(tonumber(value), os.time()))
  56         end
  57 end
  58
  59 s = m2:section(TypedSection, "host", translate("Static Leases"),
  60         translate("Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</em> " ..
  61                 "indentifies the host, the <em>IPv4-Address</em> specifies to the fixed address to " ..
  62                 "use and the <em>Hostname</em> is assigned as symbolic name to the requesting host."))
  63
  64 s.addremove = true
  65 s.anonymous = true
  66 s.template = "cbi/tblsection"
  67
  68 name = s:option(Value, "name", translate("Hostname"))
  69 mac = s:option(Value, "mac", translate("<abbr title=\"Media Access Control\">MAC</abbr>-Address"))
  70 ip = s:option(Value, "ip", translate("<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"))
  71 sys.net.arptable(function(entry)
  72         ip:value(entry["IP address"])
  73         mac:value(
  74                 entry["HW address"],
  75                 entry["HW address"] .. " (" .. entry["IP address"] .. ")"
  76         )
  77 end)
  78
  79
  80 return m2