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NO-JIRA: [Python] IO: Add ENETUNREACH to the list of tolerated errors #365

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NO-JIRA: [Python] IO: Add ENETUNREACH to the list of tolerated errors #365

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2 changes: 1 addition & 1 deletion python/proton/_io.py
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Original file line number Diff line number Diff line change
Expand Up @@ -65,7 +65,7 @@ def connect(addr) -> socket.socket:
try:
s.connect(addr[4])
except socket.error as e:
if e.errno not in (errno.EINPROGRESS, errno.EWOULDBLOCK, errno.EAGAIN):
if e.errno not in (errno.EINPROGRESS, errno.EWOULDBLOCK, errno.EAGAIN, errno.ENETUNREACH):
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I'm pretty sure this change doesn't make sense at this point in the code:
The very low level connect is only making sure that a connect on a nonblocking socket worked - the only "non errors" on a non blocking socket are the ones listed - they indicate that the operation is in progress.
ENETUNREACH indicates that the connect operation failed (at this low level). Any retries because of this kind of failure need to be handled at a higher level.

raise
return s

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