[issue16168] SysLogHandler constructor ignores socktype arg when address refers to a Unix Domain Socket

[Roundup Robot]

Roundup Robot added the comment:

New changeset 6e31832f8275 by Vinay Sajip in branch '2.7':
Issue #16168: Use specified socket type for domain sockets in SysLogHandler.
http://hg.python.org/cpython/rev/6e31832f8275

New changeset f41e6ef3392a by Vinay Sajip in branch '3.2':
Issue #16168: Use specified socket type for domain sockets in SysLogHandler.
http://hg.python.org/cpython/rev/f41e6ef3392a

New changeset e4212f81d633 by Vinay Sajip in branch '3.3':
Issue #16168: Merged SysLogHandler update from 3.2.
http://hg.python.org/cpython/rev/e4212f81d633

New changeset d7d3e1a03fe0 by Vinay Sajip in branch 'default':
Closes #16168: Merged SysLogHandler update from 3.3.
http://hg.python.org/cpython/rev/d7d3e1a03fe0

--
nosy: +python-dev
resolution:  -> fixed
stage:  -> committed/rejected
status: open -> closed

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[issue16168] SysLogHandler constructor ignores socktype arg when address refers to a Unix Domain Socket

[Vinay Sajip]

Changes by Vinay Sajip :


--
assignee:  -> vinay.sajip

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[issue16168] SysLogHandler constructor ignores socktype arg when address refers to a Unix Domain Socket

[R. David Murray]

Changes by R. David Murray :


--
nosy: +vinay.sajip

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[issue16168] SysLogHandler constructor ignores socktype arg when address refers to a Unix Domain Socket

[Vitaly]

Vitaly added the comment:

SOCK_DGRAM causes log messages larger than about 2000 bytes to be dropped 
altogether on MacOS X 10.7.5 and to be truncated to 2081 bytes on Linux (tested 
with Amazon's linux, which is based on centos). This is quite unfortunate, 
since many exception tracebacks for production apps are larger than 2000 bytes, 
and it's paramount to capture the entire traceback in order to debug the issue. 
This limitation can be overcome if _connect_unixsocket() used the socktype arg 
value that was passed to SysLogHandler constructor.

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[issue16168] SysLogHandler constructor ignores socktype arg when address refers to a Unix Domain Socket

[Vitaly]

New submission from Vitaly:

_connect_unixsocket() (see below) does not use socktype value that was passed 
into SysLogHandler.__init__():

def _connect_unixsocket(self, address):
self.socket = socket.socket(socket.AF_UNIX, socket.SOCK_DGRAM)
# syslog may require either DGRAM or STREAM sockets
try:
self.socket.connect(address)
except socket.error:
self.socket.close()
self.socket = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
self.socket.connect(address)

--
components: Library (Lib)
messages: 172418
nosy: vitaly
priority: normal
severity: normal
status: open
title: SysLogHandler constructor ignores socktype arg when address refers to a 
Unix Domain Socket
versions: Python 2.7, Python 3.1, Python 3.2

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