def update_activity():
event_ids = ActiveVisitorsByLiveUpdateEvent._cf.get_range(column_count=1, filter_empty=False)
for event_id, is_active in event_ids:
count = 0
if is_active:
try:
count = ActiveVisitorsByLiveUpdateEvent.get_count(event_id)
except tdb_cassandra.TRANSIENT_EXCEPTIONS as e:
g.log.warning("Failed to fetch activity count for %r: %s", event_id, e)
return
try:
LiveUpdateEvent.update_activity(event_id, count)
except tdb_cassandra.TRANSIENT_EXCEPTIONS as e:
g.log.warning("Failed to update event activity for %r: %s", event_id, e)
try:
LiveUpdateActivityHistoryByEvent.record_activity(event_id, count)
except tdb_cassandra.TRANSIENT_EXCEPTIONS as e:
g.log.warning("Failed to update activity history for %r: %s", event_id, e)
is_fuzzed = False
if count < ACTIVITY_FUZZING_THRESHOLD:
count = utils.fuzz_activity(count)
is_fuzzed = True
websockets.send_broadcast("/live/" + event_id, type="activity", payload={"count": count, "fuzzed": is_fuzzed})
# ensure that all the amqp messages we've put on the worker's queue are
# sent before we allow this script to exit.
amqp.worker.join()
def update_activity():
events = {}
event_counts = collections.Counter()
event_ids = ActiveVisitorsByLiveUpdateEvent._cf.get_range(
column_count=1, filter_empty=False)
for event_id, is_active in event_ids:
count = 0
if is_active:
try:
count = ActiveVisitorsByLiveUpdateEvent.get_count(event_id)
except tdb_cassandra.TRANSIENT_EXCEPTIONS as e:
g.log.warning("Failed to fetch activity count for %r: %s",
event_id, e)
return
try:
LiveUpdateActivityHistoryByEvent.record_activity(event_id, count)
except tdb_cassandra.TRANSIENT_EXCEPTIONS as e:
g.log.warning("Failed to update activity history for %r: %s",
event_id, e)
is_fuzzed = False
if count < ACTIVITY_FUZZING_THRESHOLD:
count = utils.fuzz_activity(count)
is_fuzzed = True
try:
event = LiveUpdateEvent.update_activity(event_id, count, is_fuzzed)
except tdb_cassandra.TRANSIENT_EXCEPTIONS as e:
g.log.warning("Failed to update event activity for %r: %s",
event_id, e)
else:
events[event_id] = event
event_counts[event_id] = count
websockets.send_broadcast(
"/live/" + event_id,
type="activity",
payload={
"count": count,
"fuzzed": is_fuzzed,
},
)
top_event_ids = [
event_id for event_id, count in event_counts.most_common(1000)
]
top_events = [events[event_id] for event_id in top_event_ids]
query_ttl = datetime.timedelta(days=3)
with CachedQueryMutator() as m:
m.replace(get_active_events(), top_events, ttl=query_ttl)
# ensure that all the amqp messages we've put on the worker's queue are
# sent before we allow this script to exit.
amqp.worker.join()
def update_activity():
events = {}
event_counts = collections.Counter()
event_ids = ActiveVisitorsByLiveUpdateEvent._cf.get_range(
column_count=1, filter_empty=False)
for event_id, is_active in event_ids:
count = 0
if is_active:
try:
count = ActiveVisitorsByLiveUpdateEvent.get_count(event_id)
except tdb_cassandra.TRANSIENT_EXCEPTIONS as e:
g.log.warning("Failed to fetch activity count for %r: %s",
event_id, e)
return
try:
LiveUpdateActivityHistoryByEvent.record_activity(event_id, count)
except tdb_cassandra.TRANSIENT_EXCEPTIONS as e:
g.log.warning("Failed to update activity history for %r: %s",
event_id, e)
is_fuzzed = False
if count < ACTIVITY_FUZZING_THRESHOLD:
count = utils.fuzz_activity(count)
is_fuzzed = True
try:
event = LiveUpdateEvent.update_activity(event_id, count, is_fuzzed)
except tdb_cassandra.TRANSIENT_EXCEPTIONS as e:
g.log.warning("Failed to update event activity for %r: %s",
event_id, e)
else:
events[event_id] = event
event_counts[event_id] = count
websockets.send_broadcast(
"/live/" + event_id,
type="activity",
payload={
"count": count,
"fuzzed": is_fuzzed,
},
)
top_event_ids = [event_id for event_id, count in event_counts.most_common(1000)]
top_events = [events[event_id] for event_id in top_event_ids]
query_ttl = datetime.timedelta(days=3)
with CachedQueryMutator() as m:
m.replace(get_active_events(), top_events, ttl=query_ttl)
# ensure that all the amqp messages we've put on the worker's queue are
# sent before we allow this script to exit.
amqp.worker.join()
def get_count(cls, event_id, cached=True, fuzz=True):
count = cls._get_count_cached(event_id, _update=not cached)
if fuzz and count < 100:
cache_key = "liveupdate_visitors-" + str(event_id)
fuzzed_count = g.cache.get(cache_key)
if not fuzzed_count:
fuzzed_count = utils.fuzz_activity(count)
g.cache.set(cache_key, fuzzed_count, time=5 * 60)
return fuzzed_count, True
return count, False
def _get_active_visitors(self):
count = self.event.active_visitors
if count < ACTIVITY_FUZZING_THRESHOLD and not c.user_is_admin:
return "~%d" % fuzz_activity(count)
return count