modules/admin-core: add service control module for interfacing with luci-reload

diff --git a/modules/admin-core/luasrc/controller/admin/servicectl.lua b/modules/admin-core/luasrc/controller/admin/servicectl.lua
new file mode 100644 (file)
index 0000000..3ef8847
--- /dev/null
+++ b/modules/admin-core/luasrc/controller/admin/servicectl.lua
@@ -0,0 +1,61 @@
+--[[
+LuCI - Lua Configuration Interface
+
+Copyright 2010 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
+
+$Id$
+]]--
+
+module("luci.controller.admin.servicectl", package.seeall)
+
+function index()
+       luci.i18n.loadc("base")
+       local i18n = luci.i18n.translate
+
+       entry({"servicectl"}, alias("servicectl", "status"), "", 1).sysauth = "root"
+       entry({"servicectl", "status"}, call("action_status"), "", 2).leaf = true
+       entry({"servicectl", "restart"}, call("action_restart"), "", 3).leaf = true
+end
+
+function action_status()
+       local data = nixio.fs.readfile("/var/run/luci-reload-status")
+       if data then
+               luci.http.write("/etc/config/")
+               luci.http.write(data)
+       else
+               luci.http.write("finish")
+       end
+end
+
+function action_restart()
+       if luci.dispatcher.context.requestpath[3] then
+               local service
+               local services = { }
+
+               for service in luci.dispatcher.context.requestpath[3]:gmatch("%w+") do
+                       services[#services+1] = service
+               end
+
+               if nixio.fork() == 0 then
+                       local i = nixio.open("/dev/null", "r")
+                       local o = nixio.open("/dev/null", "w")
+
+                       nixio.dup(i, nixio.stdin)
+                       nixio.dup(o, nixio.stdout)
+
+                       i:close()
+                       o:close()
+
+                       nixio.exec("/bin/sh", "/sbin/luci-reload", unpack(services))
+               else
+                       luci.http.write("OK")
+                       os.exit(0)
+               end
+       end
+end