Rework LuCI build system

[project/luci.git] / applications / luci-app-ahcp / luasrc / controller / ahcp.lua

diff --git a/applications/luci-app-ahcp/luasrc/controller/ahcp.lua b/applications/luci-app-ahcp/luasrc/controller/ahcp.lua
new file mode 100644 (file)
index 0000000..704ec4f
--- /dev/null
+++ b/applications/luci-app-ahcp/luasrc/controller/ahcp.lua
@@ -0,0 +1,60 @@
+--[[
+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: init.lua 6731 2011-01-14 19:44:03Z soma $
+]]--
+
+module("luci.controller.ahcp", package.seeall)
+
+function index()
+       if not nixio.fs.access("/etc/config/ahcpd") then
+               return
+       end
+
+       entry({"admin", "network", "ahcpd"}, cbi("ahcp"), _("AHCP Server"), 90)
+       entry({"admin", "network", "ahcpd", "status"}, call("ahcp_status"))
+end
+
+function ahcp_status()
+       local nfs = require "nixio.fs"
+       local uci = require "luci.model.uci".cursor()
+       local lsd = uci:get_first("ahcpd", "ahcpd", "lease_dir") or "/var/lib/leases"
+       local idf = uci:get_first("ahcpd", "ahcpd", "id_file")   or "/var/lib/ahcpd-unique-id"
+
+       local rv = {
+               uid    = "00:00:00:00:00:00:00:00",
+               leases = { }
+       }
+
+       idf = nfs.readfile(idf)
+       if idf and #idf == 8 then
+               rv.uid = "%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X" %{ idf:byte(1, 8) }
+       end
+
+       local itr = nfs.dir(lsd)
+       if itr then
+               local addr
+               for addr in itr do
+                       if addr:match("^%d+%.%d+%.%d+%.%d+$") then
+                               local s = nfs.stat(lsd .. "/" .. addr)
+                               rv.leases[#rv.leases+1] = {
+                                       addr = addr,
+                                       age  = s and (os.time() - s.mtime) or 0
+                               }
+                       end
+               end
+       end
+
+       table.sort(rv.leases, function(a, b) return a.age < b.age end)
+
+       luci.http.prepare_content("application/json")
+       luci.http.write_json(rv)
+end