+#!/usr/bin/lua
+
+require "os"
+require "io"
+require "uci"
+require "posix"
+
+if posix.access("/var/run/olsrd.pid") then
+ local stamp, intv
+ local x = uci.cursor()
+
+ x:foreach("olsrd", "LoadPlugin",
+ function(s)
+ if s.library == "olsrd_watchdog.so.0.1" then
+ intv = tonumber(s.interval)
+ stamp = s.file
+ end
+ end)
+
+ if intv and posix.access(stamp) then
+ local systime = os.time()
+ local wdgtime = tonumber(io.lines(stamp)())
+
+ if not wdgtime or ( systime - wdgtime ) > intv then
+ os.execute("logger -t 'OLSR watchdog' 'Process died - restarting!'")
+ os.execute("/etc/init.d/olsrd restart")
+ end
+ end
+end