Add Heartbeat ping on every analysis to see if service is working

birdnet.conf-defaults

@@ -163,6 +163,12 @@ DATABASE_LANG=en
 ## your installation is behind by, relative to the Github repo. This number
 ## appears next to "Tools" when you're 50 or more commits behind.
 
+## HEARTBEAT_URL is a location to ping every time some analysis is done
+## no information is sent to the the URL, its a heart beat to show that the
+## analysis is continuing
+
+HEARBEAT_URL=
+
 SILENCE_UPDATE_INDICATOR=0
 
 ## These are just for debugging

scripts/birdnet_analysis.sh

@@ -152,6 +152,11 @@ ${BIRDWEATHER_ID_LOG}
       ${INCLUDEPARAM} \
       ${EXCLUDEPARAM} \
       ${BIRDWEATHER_ID_PARAM}
+    if [ ! -z $HEARTBEAT_URL ]; then
+      echo "Performing Heartbeat"
+      IP=`curl -s ${HEARTBEAT_URL}`
+      echo "Heartbeat: $IP"
+    fi
   done
 }