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authorSteven Barth <steven@midlink.org>2009-01-30 16:00:09 +0000
committerSteven Barth <steven@midlink.org>2009-01-30 16:00:09 +0000
commit07790dad35cd637a736bfc27ca50d3e2fc4ecc1d (patch)
tree99576dee8359e071dd6f12d6fbebc564fb85417a /modules/freifunk/root
parentab18c3ba1006db94df57c310da97b5ddb07991ad (diff)
Add OLSR dyn_gw_plain gateway test
Diffstat (limited to 'modules/freifunk/root')
-rwxr-xr-xmodules/freifunk/root/usr/sbin/ff_olsr_test_gw37
1 files changed, 37 insertions, 0 deletions
diff --git a/modules/freifunk/root/usr/sbin/ff_olsr_test_gw b/modules/freifunk/root/usr/sbin/ff_olsr_test_gw
new file mode 100755
index 0000000000..dda6a5ea79
--- /dev/null
+++ b/modules/freifunk/root/usr/sbin/ff_olsr_test_gw
@@ -0,0 +1,37 @@
+#!/usr/bin/lua
+local STRICT = true -- Only delete metric 0 routes
+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 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
+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