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restore delay on ping queue

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This commit is contained in:
Victor Shyba 2018-09-30 23:53:32 -03:00
parent ea6b2b98fb
commit 50003d2600
2 changed files with 16 additions and 6 deletions
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4
lbrynet/dht/node.py
View file

@ -644,10 +644,10 @@ class Node(MockKademliaHelper):
defer.returnValue(None)
def _refreshContacts(self):
self._protocol._ping_queue.enqueue_maybe_ping(*self.contacts)
self._protocol._ping_queue.enqueue_maybe_ping(*self.contacts, delay=0)
def _refreshStoringPeers(self):
self._protocol._ping_queue.enqueue_maybe_ping(*self._dataStore.getStoringContacts())
self._protocol._ping_queue.enqueue_maybe_ping(*self._dataStore.getStoringContacts(), delay=0)
@defer.inlineCallbacks
def _refreshRoutingTable(self):

18
lbrynet/dht/protocol.py
View file

@ -22,12 +22,17 @@ class PingQueue:
def __init__(self, node):
self._node = node
self._enqueued_contacts = {}
self._pending_contacts = {}
self._process_lc = node.get_looping_call(self._process)
def enqueue_maybe_ping(self, *contacts, **kwargs):
delay = kwargs.get('delay', constants.checkRefreshInterval)
no_op = (defer.succeed(None), lambda: None)
for contact in contacts:
self._enqueued_contacts.setdefault(contact, no_op)
if delay and contact not in self._enqueued_contacts:
self._pending_contacts.setdefault(contact, self._node.clock.seconds() + delay)
else:
self._enqueued_contacts.setdefault(contact, no_op)
@defer.inlineCallbacks
def _ping(self, contact):
@ -44,10 +49,14 @@ class PingQueue:
del self._enqueued_contacts[contact]
def _process(self):
if not self._enqueued_contacts:
return
# move contacts that are scheduled to join the queue
if self._pending_contacts:
now = self._node.clock.seconds()
for contact in [contact for contact, schedule in self._pending_contacts.items() if schedule <= now]:
del self._pending_contacts[contact]
self._enqueued_contacts.setdefault(contact, (defer.succeed(None), lambda: None))
# spread pings across 60 seconds to avoid flood and/or false negatives
step = 60.0/float(len(self._enqueued_contacts))
step = 60.0/float(len(self._enqueued_contacts)) if self._enqueued_contacts else 0
for index, (contact, (call, _)) in enumerate(self._enqueued_contacts.items()):
if call.called and not contact.contact_is_good:
self._enqueued_contacts[contact] = self._node.reactor_callLater(index*step, self._ping, contact)
@ -56,6 +65,7 @@ class PingQueue:
return self._node.safe_start_looping_call(self._process_lc, 60)
def stop(self):
map(None, (cancel() for _, (call, cancel) in self._enqueued_contacts.items() if not call.called))
return self._node.safe_stop_looping_call(self._process_lc)