From ce2da9198bd7d02815878bf04681ffe6c1dabb91 Mon Sep 17 00:00:00 2001
From: Steven Barth <steven@midlink.org>
Date: Sat, 31 Jan 2009 16:28:34 +0000
Subject: [PATCH] Fix ff_olsr_test_gw

---
 modules/freifunk/root/etc/init.d/freifunk     |  6 +--
 .../freifunk/root/usr/sbin/ff_olsr_test_gw    | 52 ++++++++++---------
 2 files changed, 31 insertions(+), 27 deletions(-)

diff --git a/modules/freifunk/root/etc/init.d/freifunk b/modules/freifunk/root/etc/init.d/freifunk
index 801dd5bc7..f1b274471 100755
--- a/modules/freifunk/root/etc/init.d/freifunk
+++ b/modules/freifunk/root/etc/init.d/freifunk
@@ -9,9 +9,9 @@ boot() {
 		echo "*/5 * * * *	killall -HUP dnsmasq" >> /etc/crontabs/root
 	}
 
-#	grep -q '/usr/sbin/ff_olsr_test_gw' /etc/crontabs/root || {
-#		echo "* * * * *		/usr/sbin/ff_olsr_test_gw" >> /etc/crontabs/root
-#	}
+	grep -q '/usr/sbin/ff_olsr_test_gw' /etc/crontabs/root || {
+		echo "* * * * *		/usr/sbin/ff_olsr_test_gw" >> /etc/crontabs/root
+	}
 
 	[ -f /etc/rc.local ] && . /etc/rc.local
 	[ -d /etc/rc.local.d ] && {
diff --git a/modules/freifunk/root/usr/sbin/ff_olsr_test_gw b/modules/freifunk/root/usr/sbin/ff_olsr_test_gw
index dda6a5ea7..5c47b498d 100755
--- a/modules/freifunk/root/usr/sbin/ff_olsr_test_gw
+++ b/modules/freifunk/root/usr/sbin/ff_olsr_test_gw
@@ -4,34 +4,38 @@ local PINGCMD = "ping -q -I%s -c3 -w3 '%s' >/dev/null 2>&1"
 local PINGTRG = {"google.de", "www.de.debian.org", "eu.kernel.org", "freifunk.net"}
 local ROUTECMD = "route del default gw '%s' >/dev/null 2>&1"                       
 local THRESHOLD = 3 -- Maximum number of failed tests before dropping the route    
- 
+
 local sys = require "luci.sys"
 local uci = require "luci.model.uci".cursor_state()
+local ucisec = "ff_olsr_test_gw"
 local section = nil                                
- 
+
 uci:foreach("olsrd", "LoadPlugin", function(s)
-        if s.library == "olsrd_dyn_gw_plain.so.0.4" and s.ignore ~= "1" then
-                section = s[".name"]
-        end
+	if s.library == "olsrd_dyn_gw_plain.so.0.4" and s.ignore ~= "1" then
+		section = s[".name"]
+	end
 end)
- 
+
 local droute = sys.net.defaultroute()
 if section and droute then      -- dyn_gw is enabled and we have a defaultroute, test it
-        local state = false
- 
-        for _, host in ipairs(PINGTRG) do
-                state = state or (sys.call(PINGCMD % {droute.device, host}) == 0)
-        end
- 
-        if not state and (not STRICT or tonumber(droute.metric) == 0) then
-                local count = tonumber(uci:get("olsrd", section, "noinet_count"))
-                if not THRESHOLD or (count and count > THRESHOLD) then
-                        sys.call(ROUTECMD % droute.gateway:string())
-                else
-                        uci:set("olsrd", section, "noinet_count", (count or 0) + 1)
-                end
-        else
-                uci:set("olsrd", section, "noinet_count", "0")
-        end
-        uci:save("olsrd")
-end
\ No newline at end of file
+	local state = false
+
+	for _, host in ipairs(PINGTRG) do
+		state = state or (sys.call(PINGCMD % {droute.device, host}) == 0)
+	end
+
+	if not state and (not STRICT or tonumber(droute.metric) == 0) then
+		local count = tonumber(uci:get("olsrd", ucisec, "noinet_count"))
+		if not THRESHOLD or (count and count >= THRESHOLD) then
+			sys.call(ROUTECMD % droute.gateway:string())
+		else
+			if not count then
+				uci:set("olsrd", ucisec, "state")
+			end
+			uci:set("olsrd", ucisec, "noinet_count", (count or 0) + 1)
+			uci:save("olsrd")
+		end
+	else
+		uci:revert("olsrd", ucisec)
+	end
+end
-- 
2.25.1