Update proxy.sh

proxy.sh

@@ -39,13 +39,19 @@ echo "WATCHDOG timeout set to $SOCAT_TIMEOUT seconds."
 # FUNCTION TO START THE SENDER. LISTEN TO MULTICASTS AND FORWARD THEM TO ANOTHER IP ADDRESS (WHICH RECEIVES THEM AND SENDS THEM OUT AS MULTICASTS).
 start_sender() {
   echo "Starting the sender..."
-  socat $SOCAT_DEBUG_LEVEL -u -T $SOCAT_TIMEOUT UDP4-RECV:$MULTICAST_PORT,bind=$MULTICAST_ADDRESS,ip-add-membership=$MULTICAST_ADDRESS:$FROM_IP_OR_INTERFACE,reuseaddr,ip-multicast-loop=0 UDP4-SENDTO:$TO_ADDRESS:$VIA_PORT > >(tee -a /dev/stdout) 2> >(tee -a /dev/stderr) &
+  while true; do
+     socat $SOCAT_DEBUG_LEVEL -u -T $SOCAT_TIMEOUT UDP4-RECV:$MULTICAST_PORT,bind=$MULTICAST_ADDRESS,ip-add-membership=$MULTICAST_ADDRESS:$FROM_IP_OR_INTERFACE,reuseaddr,ip-multicast-loop=0 UDP4-SENDTO:$TO_ADDRESS:$VIA_PORT > >(tee -a /dev/stdout) 2> >(tee -a /dev/stderr)
+     echo "Sender process stopped, restarting..."
+  done
 }
 
 # FUNCTION TO START THE RECEIVER. LISTEN TO UDP PACKETS FROM THE SENDER (ADDRESSES TO THE SAME PORT AS THE MULTICAST PORT) AND SENDS THEM OUT AS MULTICASTS.
 start_receiver() {
   echo "Starting the receiver..."
-  socat $SOCAT_DEBUG_LEVEL -u -T $SOCAT_TIMEOUT UDP4-RECVFROM:$VIA_PORT,ip-add-membership=$MULTICAST_ADDRESS:$FROM_IP_OR_INTERFACE,reuseaddr,fork,ip-multicast-loop=0 UDP4-SENDTO:$MULTICAST_ADDRESS:$MULTICAST_PORT > >(tee -a /dev/stdout) 2> >(tee -a /dev/stderr) &
+  while true; do
+     socat $SOCAT_DEBUG_LEVEL -u -T $SOCAT_TIMEOUT UDP4-RECVFROM:$VIA_PORT,ip-add-membership=$MULTICAST_ADDRESS:$FROM_IP_OR_INTERFACE,reuseaddr,fork,ip-multicast-loop=0 UDP4-SENDTO:$MULTICAST_ADDRESS:$MULTICAST_PORT > >(tee -a /dev/stdout) 2> >(tee -a /dev/stderr)
+     echo "Receiver process stopped, restarting..."
+  done
 }
 
 # FUNCTION TO REMOVE THE ROUTES THAT WE ADD DURING OUR STARTUP (NEEDED BECAUSE WE ADD ROUTES TO THE NETWORK STACK OF THE HOST)
@@ -109,8 +115,8 @@ fi
 trap remove_routes EXIT
 
 # START SENDER AND RECEIVER
-start_sender
-start_receiver
+start_sender &
+start_receiver &
 
 # KEEP THE SCRIPT ACTIVE BY USING WAIT
 while true; do