modules/freifunk: add olsrd watchdog script, remove olsrd interface defaults

modules/freifunk/root/etc/config/freifunk

@@ -76,14 +76,6 @@ config defaults dhcp
 
 
 config defaults olsr_interface
-	option	HelloInterval 6.0
-	option	HelloValidityTime 108.0
-	option	TcInterval 4.0
-	option	TcValidityTime 324.0
-	option	MidInterval 18.0
-	option	MidValidityTime 324.0
-	option	HnaInterval 18.0
-	option	HnaValidityTime 108.0
 
 
 config community leipzig

modules/freifunk/root/etc/init.d/freifunk

@@ -13,6 +13,10 @@ boot() {
 		echo "* * * * *		/usr/sbin/ff_olsr_test_gw" >> /etc/crontabs/root
 	}
 
+	grep -q '/usr/sbin/ff_olsr_watchdog' /etc/crontabs/root || {
+		echo "*/5 * * * *	/usr/sbin/ff_olsr_watchdog" >> /etc/crontabs/root
+	}
+
 	[ -f /etc/rc.local ] && . /etc/rc.local
 	[ -d /etc/rc.local.d ] && {
 		for file in /etc/rc.local.d/*; do

modules/freifunk/root/usr/sbin/ff_olsr_watchdog

@@ -0,0 +1,29 @@
+#!/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