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Handle StreamClosed in identify protocol handler

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NIC619 2019-11-12 18:07:30 +08:00
parent 56d3e50267
commit c4f9ce6bb3
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1 changed files with 8 additions and 3 deletions
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11
libp2p/identity/identify/protocol.py
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@ -3,6 +3,7 @@ import logging
from multiaddr import Multiaddr
from libp2p.host.host_interface import IHost
from libp2p.network.stream.exceptions import StreamClosed
from libp2p.network.stream.net_stream_interface import INetStream
from libp2p.typing import StreamHandlerFn, TProtocol
@ -43,8 +44,12 @@ def identify_handler_for(host: IHost) -> StreamHandlerFn:
protobuf = _mk_identify_protobuf(host)
response = protobuf.SerializeToString()
await stream.write(response)
await stream.close()
logger.debug("successfully handled request for %s from %s", ID, peer_id)
try:
await stream.write(response)
except StreamClosed:
logger.debug("Fail to respond to %s request: stream closed", ID)
else:
await stream.close()
logger.debug("successfully handled request for %s from %s", ID, peer_id)
return handle_identify