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Trim the messages list during cleanup #4

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Merged
kwadra merged 1 commit into from
Jul 23, 2025
Merged

Trim the messages list during cleanup #4

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12 changes: 8 additions & 4 deletions flight_aware_redis.py
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Original file line number Diff line number Diff line change
Expand Up @@ -16,10 +16,7 @@
# configure a file logger

FORMAT = '%(asctime)s %(levelname)-8s %(message)s'
logging.basicConfig(level=logging.INFO, format=FORMAT, filename=CONFIG.log_filename)
logger = logging.getLogger(__name__)
logging.info("Connecting to %s", redact_url_password(CONFIG.redis_url))
r = redis.Redis.from_url(CONFIG["REDIS_URL"], decode_responses=True,socket_timeout=2.0)

FLIGHTS = FlightCollection()
MILES_PER_METER = 0.000621371
Expand Down Expand Up @@ -66,6 +63,9 @@ def cleanup_flight_collection(max_age=3600):
if age > max_age:
logger.info("Removing flight %s from collection", flight.hexident)
remove_list.append(flight.hexident)
# trim messages to the newest 50
if len(flight.messages) > 50:
flight.messages = flight.messages[-50:]
# remove from dictionary
for id in remove_list:
try:
Expand Down Expand Up @@ -120,12 +120,17 @@ def record_positions_to_redis(redis_client):
logging.info("%d %s recorded. last_dist=%0.2f call_sign=%s", msg_count, message.hexident, distance, call_sign)

def run_loop():
# setup logging after daemon context is created
logging.basicConfig(level=logging.INFO, format=FORMAT, filename=CONFIG.log_filename)
logging.info("Starting to record positions to Redis")
# create a background thread to execute cleanup_flight_collection

cleanup_thread = threading.Thread(target=cleanup_flight_collection, daemon=True)
cleanup_thread.start()

logging.info("Connecting to Redis at %s", redact_url_password(CONFIG.redis_url))
r = redis.Redis.from_url(CONFIG["REDIS_URL"], decode_responses=True,socket_timeout=2.0)

while True:
try:
record_positions_to_redis(r)
Expand All @@ -141,5 +146,4 @@ def run_loop():
sys.exit(0)

with daemon.DaemonContext():
pass
run_loop()