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Merge pull request #1495 from lbryio/retry_dht

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[DHT] retry on protocol level
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Jack Robison 2018-11-05 15:16:53 -05:00 committed by GitHub
parent cdd65c6783 db898307b5
commit b7ae446059
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1 changed files with 16 additions and 2 deletions
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18
lbrynet/dht/protocol.py
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@ -118,7 +118,20 @@ class KademliaProtocol(protocol.DatagramProtocol):
return args
return args + ({b'protocolVersion': self._protocolVersion},)
@defer.inlineCallbacks
def sendRPC(self, contact, method, args):
for _ in range(constants.rpcAttempts):
try:
response = yield self._sendRPC(contact, method, args)
return response
except TimeoutError:
if contact.contact_is_good:
log.debug("RETRY %s ON %s", method, contact)
continue
else:
raise
def _sendRPC(self, contact, method, args):
"""
Sends an RPC to the specified contact
@ -153,11 +166,12 @@ class KademliaProtocol(protocol.DatagramProtocol):
df = defer.Deferred()
def _remove_contact(failure): # remove the contact from the routing table and track the failure
contact.update_last_failed()
try:
self._node.removeContact(contact)
if not contact.contact_is_good:
self._node.removeContact(contact)
except (ValueError, IndexError):
pass
contact.update_last_failed()
return failure
def _update_contact(result): # refresh the contact in the routing table