modified condition to detect not running fastd.

ffs-set-segment/files/usr/sbin/ffs-set-segment

@@ -4,7 +4,7 @@ if [ $(ps | grep -c "$ME") -gt 4 ]; then
   logger -s -t $ME "started twice"
   exit 1
 fi
-if [ $(ps | grep -c "fastd") -lt 2 ]; then
+if [ ! -d "/proc/$(cat /var/run/fastd.mesh_vpn.pid)" ]; then
   logger -t $ME "fastd not running"
   exit 0
 fi
@@ -17,7 +17,7 @@ NODEID=$(uci get network.bat0.macaddr | sed 's/://g')
 PUBKEY=$(/etc/init.d/fastd show_key mesh_vpn | cut -c1-12)
 SEGINFO=$(nslookup ffs-${NODEID}-${PUBKEY}.segassign.freifunk-stuttgart.de  [::1]:54 | grep "2001:2:0:711::")
 if [ -z "$SEGINFO" ]; then
-  logger -t $ME "Node not known"
+  logger -t $ME "Node not registered"
   exit 1
 fi
 SEGINFO=${SEGINFO/Address 1: 2001:2:0:711::/}