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Handle StreamClosed in pub/gossip/flood-sub

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NIC619
2019-11-12 18:10:41 +08:00
parent c4f9ce6bb3
commit 9be9b4bbfc
3 changed files with 27 additions and 5 deletions
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18
libp2p/pubsub/pubsub.py
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@ -20,7 +20,7 @@ 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.exceptions import StreamClosed, StreamEOF, StreamReset
from libp2p.network.stream.net_stream_interface import INetStream
from libp2p.peer.id import ID
from libp2p.typing import TProtocol
@ -279,13 +279,19 @@ class Pubsub:
# Send hello packet
hello = self.get_hello_packet()
await stream.write(encode_varint_prefixed(hello.SerializeToString()))
try:
await stream.write(encode_varint_prefixed(hello.SerializeToString()))
except StreamClosed:
logger.debug("Fail to add new peer %s: stream closed", peer_id)
del self.peers[peer_id]
return
# TODO: Check EOF of this stream.
# TODO: Check if the peer in black list.
try:
self.router.add_peer(peer_id, stream.get_protocol())
except Exception as error:
logger.debug("fail to add new peer %s, error %s", peer_id, error)
del self.peers[peer_id]
return
logger.debug("added new peer %s", peer_id)
@ -429,7 +435,13 @@ class Pubsub:
# Broadcast message
for stream in self.peers.values():
# Write message to stream
await stream.write(encode_varint_prefixed(raw_msg))
try:
await stream.write(encode_varint_prefixed(raw_msg))
except StreamClosed:
peer_id = stream.muxed_conn.peer_id
logger.debug("Fail to message peer %s: stream closed", peer_id)
del self.peers[peer_id]
self.router.remove_peer(peer_id)
async def publish(self, topic_id: str, data: bytes) -> None:
"""