luci.app-ddns: Update to 2.4.9-1

[project/luci.git] / applications / luci-app-ddns / luasrc / tools / ddns.lua

diff --git a/applications/luci-app-ddns/luasrc/tools/ddns.lua b/applications/luci-app-ddns/luasrc/tools/ddns.lua
index 209d9c3..690b9b3 100755 (executable)
--- a/applications/luci-app-ddns/luasrc/tools/ddns.lua
+++ b/applications/luci-app-ddns/luasrc/tools/ddns.lua
@@ -1,4 +1,4 @@
--- Copyright 2014-2016 Christian Schoenebeck <christian dot schoenebeck at gmail dot com>
+-- Copyright 2014-2018 Christian Schoenebeck <christian dot schoenebeck at gmail dot com>
 -- Licensed to the public under the Apache License 2.0.
 
 module("luci.tools.ddns", package.seeall)
@@ -74,6 +74,23 @@ function get_lastupd(section)
        return etime
 end
 
+-- read registered IP from [section].ip file
+function get_regip(section, chk_sec)
+       local uci   = UCI.cursor()
+       local rdir  = uci:get("ddns", "global", "ddns_rundir") or "/var/run/ddns"
+       local ip = "NOFILE"
+       if NXFS.access("%s/%s.ip" % { rdir, section }) then
+               local ftime = NXFS.stat("%s/%s.ip" % { rdir, section }, "ctime") or 0
+               local otime = os.time()
+               -- give ddns-scripts time (9 sec) to update file
+               if otime < (ftime + chk_sec + 9) then
+                       ip = NXFS.readfile("%s/%s.ip" % { rdir, section })
+               end
+       end
+       uci:unload("ddns")
+       return ip
+end
+
 -- read PID from run file and verify if still running
 function get_pid(section)
        local uci  = UCI.cursor()