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Check peer id exist in dict before access

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NIC619 2019-12-17 18:47:58 +08:00
parent f10e3099cb
commit 009df257bc
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2 changed files with 11 additions and 0 deletions
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2
libp2p/pubsub/floodsub.py
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@ -89,6 +89,8 @@ class FloodSub(IPubsubRouter):
logger.debug("publishing message %s", pubsub_msg)
for peer_id in peers_gen:
if peer_id not in self.pubsub.peers:
continue
stream = self.pubsub.peers[peer_id]
# FIXME: We should add a `WriteMsg` similar to write delimited messages.
# Ref: https://github.com/libp2p/go-libp2p-pubsub/blob/master/comm.go#L107

9
libp2p/pubsub/gossipsub.py
View File

@ -193,6 +193,8 @@ class GossipSub(IPubsubRouter):
logger.debug("publishing message %s", pubsub_msg)
for peer_id in peers_gen:
if peer_id not in self.pubsub.peers:
continue
stream = self.pubsub.peers[peer_id]
# FIXME: We should add a `WriteMsg` similar to write delimited messages.
# Ref: https://github.com/libp2p/go-libp2p-pubsub/blob/master/comm.go#L107
@ -604,6 +606,11 @@ class GossipSub(IPubsubRouter):
rpc_msg: bytes = packet.SerializeToString()
# 3) Get the stream to this peer
if sender_peer_id not in self.pubsub.peers:
logger.debug(
"Fail to responed to iwant request from %s: peer disconnected",
sender_peer_id,
)
peer_stream = self.pubsub.peers[sender_peer_id]
# 4) And write the packet to the stream
@ -710,6 +717,8 @@ class GossipSub(IPubsubRouter):
rpc_msg: bytes = packet.SerializeToString()
# Get stream for peer from pubsub
if to_peer not in self.pubsub.peers:
logger.debug("Fail to emit control message to %s: peer disconnected", to_peer)
peer_stream = self.pubsub.peers[to_peer]
# Write rpc to stream