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bpo-33037: Skip sending/receiving after SSL transport closing (GH-6044) (GH-6057)

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* Skip write()/data_received() if sslpipe is destroyed
(cherry picked from commit 5e80a71ab6)

Co-authored-by: Andrew Svetlov <andrew.svetlov@gmail.com>
This commit is contained in:
Miss Islington (bot) 2018-03-10 08:27:01 -08:00 • committed by Andrew Svetlov
parent 89090789de
commit bf0d116517
3 changed files with 42 additions and 20 deletions
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6
Lib/asyncio/sslproto.py
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@ -504,6 +504,10 @@ class SSLProtocol(protocols.Protocol):
The argument is a bytes object.
"""
if self._sslpipe is None:
# transport closing, sslpipe is destroyed
return
try:
ssldata, appdata = self._sslpipe.feed_ssldata(data)
except ssl.SSLError as e:
@ -636,7 +640,7 @@ class SSLProtocol(protocols.Protocol):
def _process_write_backlog(self):
# Try to make progress on the write backlog.
if self._transport is None:
if self._transport is None or self._sslpipe is None:
return
try: