applications: add luci-ahcp, support for the AHCP server package

1 files changed, 63 insertions, 0 deletions

diff --git a/applications/luci-ahcp/luasrc/controller/ahcp.lua b/applications/luci-ahcp/luasrc/controller/ahcp.lua
new file mode 100644
index 000000000..ea7390311
--- /dev/null
+++ b/applications/luci-ahcp/luasrc/controller/ahcp.lua
@@ -0,0 +1,63 @@
+--[[
+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
+
+	require("luci.i18n")
+	luci.i18n.loadc("ahcp")
+
+	entry({"admin", "network", "ahcpd"}, cbi("ahcp"), luci.i18n.translate("AHCP Server"), 90).i18n = "ahcp"
+	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