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Handle protocol negotiation failure in swarm new_stream

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NIC619
2019-09-17 16:17:41 +08:00
parent 559f419b4e
commit f253152858
3 changed files with 19 additions and 9 deletions
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9
libp2p/pubsub/pubsub.py
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@ -19,11 +19,12 @@ from lru import LRU
from libp2p.exceptions import ParseError, ValidationError
from libp2p.host.host_interface import IHost
from libp2p.io.exceptions import IncompleteReadError
from libp2p.network.exceptions import SwarmException
from libp2p.network.stream.exceptions import StreamEOF, StreamReset
from libp2p.network.stream.net_stream_interface import INetStream
from libp2p.peer.id import ID
from libp2p.typing import TProtocol
from libp2p.utils import encode_varint_prefixed, read_varint_prefixed_bytes
from libp2p.network.stream.exceptions import StreamEOF, StreamReset
from .pb import rpc_pb2
from .pubsub_notifee import PubsubNotifee
@ -245,7 +246,11 @@ class Pubsub:
# disconnect the peer?
async def _handle_new_peer(self, peer_id: ID) -> None:
stream: INetStream = await self.host.new_stream(peer_id, self.protocols)
try:
stream: INetStream = await self.host.new_stream(peer_id, self.protocols)
except SwarmException as error:
logger.debug("fail to add new peer %s, error %s", peer_id, error)
return
self.peers[peer_id] = stream