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socket: handle npipe close on Windows (#3056) 

Fixes https://github.com/docker/docker-py/issues/3045

Signed-off-by: Nick Santos <nick.santos@docker.com>
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Nick Santos 2022-11-02 15:31:00 -04:00 committed by GitHub
parent bc0a5fbacd
commit 30022984f6
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1 changed files with 14 additions and 0 deletions
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14
docker/utils/socket.py
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@ -18,6 +18,11 @@ class SocketError(Exception):
pass pass
# NpipeSockets have their own error types
# pywintypes.error: (109, 'ReadFile', 'The pipe has been ended.')
NPIPE_ENDED = 109
def read(socket, n=4096): def read(socket, n=4096):
""" """
Reads at most n bytes from socket Reads at most n bytes from socket
@ -37,6 +42,15 @@ def read(socket, n=4096):
except OSError as e: except OSError as e:
if e.errno not in recoverable_errors: if e.errno not in recoverable_errors:
raise raise
except Exception as e:
is_pipe_ended = (isinstance(socket, NpipeSocket) and
len(e.args) > 0 and
e.args[0] == NPIPE_ENDED)
if is_pipe_ended:
# npipes don't support duplex sockets, so we interpret
# a PIPE_ENDED error as a close operation (0-length read).
return 0
raise
def read_exactly(socket, n): def read_exactly(socket, n):