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dht_crawler: extract refresh_limit, bump to 1h

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Victor Shyba 2022-06-11 20:20:20 -03:00 • committed by Victor Shyba
parent 61f7fbe230
commit baf422fc03
1 changed files with 8 additions and 8 deletions
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16
scripts/dht_crawler.py
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@ -77,10 +77,13 @@ class Crawler:
session = sqla.orm.sessionmaker(engine, autocommit=False, autoflush=False, expire_on_commit=False) session = sqla.orm.sessionmaker(engine, autocommit=False, autoflush=False, expire_on_commit=False)
self.db = session() self.db = session()
@property
def refresh_limit(self):
return datetime.datetime.utcnow() - datetime.timedelta(hours=1)
@property @property
def recent_peers_query(self): def recent_peers_query(self):
half_hour_ago = datetime.datetime.utcnow() - datetime.timedelta(minutes=30) return self.db.query(DHTPeer).filter(DHTPeer.last_seen > self.refresh_limit)
return self.db.query(DHTPeer).filter(DHTPeer.last_seen > half_hour_ago)
@property @property
def all_peers(self): def all_peers(self):
@ -88,22 +91,19 @@ class Crawler:
@property @property
def checked_peers_count(self): def checked_peers_count(self):
half_hour_ago = datetime.datetime.utcnow() - datetime.timedelta(minutes=30) return self.recent_peers_query.filter(DHTPeer.last_check > self.refresh_limit).count()
return self.recent_peers_query.filter(DHTPeer.last_check > half_hour_ago).count()
@property @property
def unreachable_peers_count(self): def unreachable_peers_count(self):
half_hour_ago = datetime.datetime.utcnow() - datetime.timedelta(minutes=30) return self.recent_peers_query.filter(DHTPeer.latency == None, DHTPeer.last_check > self.refresh_limit).count()
return self.recent_peers_query.filter(DHTPeer.latency == None, DHTPeer.last_check > half_hour_ago).count()
@property @property
def peers_with_errors_count(self): def peers_with_errors_count(self):
return self.recent_peers_query.filter(DHTPeer.errors > 0).count() return self.recent_peers_query.filter(DHTPeer.errors > 0).count()
def get_peers_needing_check(self): def get_peers_needing_check(self):
half_hour_ago = datetime.datetime.utcnow() - datetime.timedelta(minutes=30)
return set([peer.to_kad_peer() for peer in self.recent_peers_query.filter( return set([peer.to_kad_peer() for peer in self.recent_peers_query.filter(
sqla.or_(DHTPeer.last_check == None, DHTPeer.last_check < half_hour_ago)).all()]) sqla.or_(DHTPeer.last_check == None, DHTPeer.last_check < self.refresh_limit)).all()])
def add_peers(self, *peers): def add_peers(self, *peers):
db_peers = [] db_peers = []