* first implementation of n2n watchdog

1 files changed, 24 insertions, 0 deletions

diff --git a/files/sbin/n2n_watchdog b/files/sbin/n2n_watchdog
new file mode 100755
index 0000000..aeedcb7
--- /dev/null
+++ b/files/sbin/n2n_watchdog
@@ -0,0 +1,24 @@
+#!/bin/ash
+
+if [[ `uci get batman-adv.bat0.gw_mode` = "server" ]]; then
+  
+  n2n_pwd=`wget http://www.freifunk-jena.de/n2n -O - -q`
+  n2n1_pwd_old=`uci get n2n.@edge[1].key`
+  n2n2_pwd_old=`uci get n2n.@edge[0].key`
+  
+  if [[ $n2n_pwd != $n2n1_pwd_old && $n2n_pwd != "" -o $n2n_pwd != $n2n2_pwd_old && $n2n_pwd != "" ]]; then
+    uci set n2n.@edge[0].key=$n2n_pwd
+    uci set n2n.@edge[1].key=$n2n_pwd
+    uci commit n2n
+    /etc/init.d/n2n restart
+  fi
+  
+  sleep 5
+  n2n_neighbors=`batctl o | grep n2n | wc -l`
+  
+  if [[ $n2n_neighbors -lt 1 ]]; then
+    /etc/init.d/n2n restart
+  fi
+else
+  exit 0
+fi