Commit Graph

292 Commits

Author SHA1 Message Date
Antoine Pitrou c9b3ef2df0 Issue #16997: unittest.TestCase now provides a subTest() context manager to procedurally generate, in an easy way, small test instances. 2013-03-20 20:16:47 +01:00
Terry Jan Reedy 16b5c13668 Merge 3.3, issue #17047: remove doubled words found in 2.7 to
3.4 Lib/*, as reported by Serhiy Storchaka and Matthew Barnett.
2013-03-11 17:59:07 -04:00
Charles-François Natali 773e42dff8 Issue #15359: Add CAN_BCM protocol support to the socket module. Patch by Brian
Thorne.
2013-02-05 19:42:01 +01:00
Serhiy Storchaka 45cb7f6529 Fix test_socket broken in previous commit (changeset 13e2e44db99d).
Added new checks for socket.setblocking().
2013-01-15 11:08:30 +02:00
Serhiy Storchaka 7898043868 Issue #15989: Fix several occurrences of integer overflow
when result of PyLong_AsLong() narrowed to int without checks.
2013-01-15 01:12:17 +02:00
Andrew Svetlov f7a17b48d7 Replace IOError with OSError (#16715) 2012-12-25 16:47:37 +02:00
Antoine Pitrou f23e3f7ad2 Silence sporadic failure in RecvmsgIntoSCTPStreamTest.testRecvmsgEOF (issue #13876) - probably not Python-related. 2012-12-18 23:44:59 +01:00
Andrew Svetlov 0832af6628 Issue #16717: get rid of socket.error, replace with OSError 2012-12-18 23:10:48 +02:00
Ross Lagerwall 8d459f0cb8 #15284: Skip {send,recv}msg tests with disabled IPv6
Patch by Brian Brazil.
2012-07-08 09:53:57 +02:00
Antoine Pitrou b7eb563a2a Errors in "client" methods in test_socket were ignored because of a bogus except clause.
(this could reveal test failures!)
2012-06-24 01:34:13 +02:00
Kristján Valur Jónsson 52a11f1f46 Issue #14310: Catch testing errors when trying to create unsupported socket
types on some platforms.
2012-04-07 20:38:44 +00:00
Kristján Valur Jónsson 10f383a937 Issue #14310: inter-process socket duplication for windows 2012-04-07 11:23:31 +00:00
Antoine Pitrou 8315f96764 Issue #13872: socket.detach() now marks the socket closed (as mirrored in the socket repr()).
Patch by Matt Joiner.
2012-04-01 01:00:55 +02:00
Antoine Pitrou 70deb3de39 Issue #13872: socket.detach() now marks the socket closed (as mirrored in the socket repr()).
Patch by Matt Joiner.
2012-04-01 01:00:17 +02:00
Nadeem Vawda 61baebd0e1 Issue #12804: Fix test failures on systems without internet access. 2012-01-25 08:02:05 +02:00
Nadeem Vawda a58c01ba48 Remove redundant resource check in test_socket. 2012-01-25 06:48:47 +02:00
Charles-François Natali 366999a011 Issue #9975: socket: Fix incorrect use of flowinfo and scope_id. Patch by
Vilmos Nebehaj.
2012-01-02 15:47:29 +01:00
Antoine Pitrou 7ded21e917 Issue #5424: add tests for inet_ntoa, inet_ntop, inet_aton and inet_pton.
Patch by Philipp Hagemeister.
2011-12-19 16:21:21 +01:00
Charles-François Natali 42663334cd Issue #9975: socket: Fix incorrect use of flowinfo and scope_id. Patch by
Vilmos Nebehaj.
2012-01-02 15:57:30 +01:00
Antoine Pitrou d1301953fe Issue #5424: add tests for inet_ntoa, inet_ntop, inet_aton and inet_pton.
Patch by Philipp Hagemeister.
2011-12-19 16:22:26 +01:00
Antoine Pitrou 1637487a0c Skip test if the path is too long for a AF_UNIX socket 2011-12-16 15:04:12 +01:00
Antoine Pitrou 6ec29e299b Issue #8373: The filesystem path of AF_UNIX sockets now uses the filesystem
encoding and the surrogateescape error handler, rather than UTF-8.  Patch
by David Watson.
2011-12-16 14:46:36 +01:00
Ezio Melotti 4a7abe7ca6 #11112: merge with 3.2. 2011-11-18 18:35:53 +02:00
Ezio Melotti 7f78ddc3ad #11112: Fix typo in a base class in test_socket. 2011-11-18 18:33:14 +02:00
Charles-François Natali 240c55f721 Fix test_socket when built whithout threads. 2011-11-10 20:33:36 +01:00
Charles-François Natali 10b8cf4455 Issue #7777: socket: Add Reliable Datagram Sockets (PF_RDS) support. 2011-11-10 19:21:37 +01:00
Antoine Pitrou 24d659daaf Use InterruptedError instead of checking for EINTR 2011-10-23 23:49:42 +02:00
Antoine Pitrou ffa547e139 Fix deprecation warning 2011-10-11 22:43:37 +02:00
Antoine Pitrou 86fe86055b Fix the threading infrastructure in test_socket to support skipping
tests from the setUp() routine.
This fixes a refleak in test_socket on some machines.
2011-10-10 20:15:59 +02:00
Charles-François Natali 47413c1171 Issue #10141: socket: add SocketCAN (PF_CAN) support. Initial patch by Matthias
Fuchs, updated by Tiago Gonçalves.
2011-10-06 19:47:44 +02:00
Charles-François Natali 8619cd7376 Issue #13001: Fix test_socket.testRecvmsgTrunc failure on FreeBSD < 8, which
doesn't always set the MSG_TRUNC flag when a truncated datagram is received.
2011-10-03 19:43:15 +02:00
Antoine Pitrou 86aed0bbc6 Fix ResourceWarnings in the TIPC socket tests. 2011-10-02 23:33:19 +02:00
Antoine Pitrou 22cd021656 Fix ResourceWarnings in the TIPC socket tests. 2011-10-02 23:37:41 +02:00
Charles-François Natali 9089b7956b Fix a race condition in test_socket.ThreadableTest: the client is reported
ready before having been set up.
2011-09-21 22:05:01 +02:00
Charles-François Natali a49ed7650a Fix a race condition in test_socket.ThreadableTest: the client is reported as
ready before having been set up.
2011-09-21 22:03:58 +02:00
Nick Coghlan 2496f331a7 Close issue 12958 by flagging expected failures in test_socket on Mac OS X 2011-09-19 20:26:31 +10:00
Nadeem Vawda 3d1706fa83 Fix deprecation warnings in test_socket. 2011-08-22 09:46:56 +02:00
Nick Coghlan 96fe56abec Add support for the send/recvmsg API to the socket module. Patch by David Watson and Heiko Wundram. (Closes #6560) 2011-08-22 11:55:57 +10:00
Victor Stinner e67474725b Issue #12326: refactor usage of sys.platform
* Use str.startswith(tuple): I didn't know this Python feature, Python rocks!
 * Replace sometimes sys.platform.startswith('linux') with
   sys.platform == 'linux'
 * sys.platform doesn't contain the major version on Cygwin on Mac OS X
   (it's just 'cygwin' and 'darwin')
2011-08-21 00:39:18 +02:00
Victor Stinner 9c3de4a883 Issue #12326: don't test the major version of sys.platform
Use startswith, instead of ==, when testing sys.platform to support
new platforms like Linux 3 or OpenBSD 5.
2011-08-17 20:49:41 +02:00
Charles-François Natali 239bb96540 Issue #12196: Make test.support's requires_linux_version a decorator. 2011-06-03 12:55:15 +02:00
Victor Stinner fea0f4d517 Issue #12158: Move linux_version() from test_socket to test.support 2011-05-24 00:24:19 +02:00
Charles-François Natali 6071359de1 Issue #1746656: make if_nameindex(), if_indextoname() and if_nametoindex()
accept and return str instead of bytes arrays. Add some more tests.
2011-05-20 16:55:06 +02:00
Gregory P. Smith 5ed2e779f1 Issue #1746656: Add if_nameindex, if_nametoindex, if_indextoname
methods to the socket module.
2011-05-15 00:26:45 -07:00
Antoine Pitrou 74b4885cc9 Issue #12054: use support.find_unused_port() instead of reinventing the wheel 2011-05-10 23:37:42 +02:00
Antoine Pitrou ccc87b53db Issue #12054: use support.find_unused_port() instead of reinventing the wheel 2011-05-10 23:37:11 +02:00
Antoine Pitrou 3cade9942e Issue #8498: In socket.accept(), allow to specify 0 as a backlog value in
order to accept exactly one connection.  Patch by Daniel Evers.
2011-05-10 19:19:13 +02:00
Antoine Pitrou 1be815aac4 Issue #8498: In socket.accept(), allow to specify 0 as a backlog value in
order to accept exactly one connection.  Patch by Daniel Evers.
2011-05-10 19:16:29 +02:00
Ezio Melotti 845f1526a3 Refactor buggy test to correctly use the msg argument of assertRaises. 2011-05-08 20:23:57 +03:00
Ezio Melotti 8b7664d0b8 #5421: merge with 3.2. 2011-05-07 19:51:47 +03:00
Ezio Melotti 4c1aebd88b #5421: merge with 3.1. 2011-05-07 19:50:28 +03:00
Ezio Melotti 63e4230c38 #5421: add tests. 2011-05-07 19:47:48 +03:00
Antoine Pitrou 9c39f3c4ec Issue #11811: Factor out detection of IPv6 support on the current host
and make it available as `test.support.IPV6_ENABLED`.  Patch by
Charles-François Natali.
2011-04-28 19:18:10 +02:00
Antoine Pitrou fc2e3763c8 Issue #11749: try to fix transient test_socket failure 2011-04-04 01:22:06 +02:00
Antoine Pitrou 43bf045be0 Issue #11749: try to fix transient test_socket failure 2011-04-04 01:21:37 +02:00
Antoine Pitrou 6d58d64919 Issue #11127: Raise a TypeError when trying to pickle a socket object. 2011-03-20 23:56:36 +01:00
Antoine Pitrou 061cfb5258 Issue #10866: Add socket.sethostname(). Initial patch by Ross Lagerwall. 2011-02-28 22:25:22 +00:00
Antoine Pitrou 5d5381ed00 Merged revisions 88622 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r88622 | antoine.pitrou | 2011-02-26 00:07:44 +0100 (sam., 26 févr. 2011) | 5 lines

  Issue #7322: Trying to read from a socket's file-like object after a timeout
  occurred now raises an error instead of silently losing data.
  Patch by Ross Lagerwall.
........
2011-02-25 23:14:08 +00:00
Antoine Pitrou 68e5c044e8 Issue #7322: Trying to read from a socket's file-like object after a timeout
occurred now raises an error instead of silently losing data.
Patch by Ross Lagerwall.
2011-02-25 23:07:44 +00:00
Marc-André Lemburg 8f36af7a4c Normalize the encoding names for Latin-1 and UTF-8 to
'latin-1' and 'utf-8'.

These are optimized in the Python Unicode implementation
to result in more direct processing, bypassing the codec
registry.

Also see issue11303.
2011-02-25 15:42:01 +00:00
Antoine Pitrou 600232b562 Issue #7995: When calling accept() on a socket with a timeout, the returned
socket is now always non-blocking, regardless of the operating system.
2011-01-05 21:03:42 +00:00
Victor Stinner c3a51ecb85 Issue #10819: SocketIO.name property returns -1 when its closed, instead of
raising a ValueError, to fix repr().
2011-01-04 11:00:45 +00:00
Victor Stinner 1d5eb3425b test_socket: use context managers to close directly the socket
Fix ResourceWarning(unclosed socket) warnings. Patch written by Nadeem Vawda.
2011-01-03 14:30:46 +00:00
Alexander Belopolsky e239d23e8c Issue #6697: Fixed instances of _PyUnicode_AsString() result not checked for NULL 2010-12-08 23:31:48 +00:00
Georg Brandl f65e25b626 Merged revisions 86134,86315-86316,86390,86424-86425,86428,86550,86561-86562,86564-86565,86705,86708,86713 via svnmerge from
svn+ssh://svn.python.org/python/branches/py3k

........
  r86134 | georg.brandl | 2010-11-03 08:41:00 +0100 (Mi, 03 Nov 2010) | 1 line

  A newline in lineno output breaks pyframe output.
........
  r86315 | georg.brandl | 2010-11-08 12:05:18 +0100 (Mo, 08 Nov 2010) | 1 line

  Fix latex conversion glitch in property/feature descriptions.
........
  r86316 | georg.brandl | 2010-11-08 12:08:35 +0100 (Mo, 08 Nov 2010) | 1 line

  Fix typo.
........
  r86390 | georg.brandl | 2010-11-10 08:57:10 +0100 (Mi, 10 Nov 2010) | 1 line

  Fix typo.
........
  r86424 | georg.brandl | 2010-11-12 07:19:48 +0100 (Fr, 12 Nov 2010) | 1 line

  Build a PDF of the FAQs too.
........
  r86425 | georg.brandl | 2010-11-12 07:20:12 +0100 (Fr, 12 Nov 2010) | 1 line

  #10008: Fix duplicate index entry.
........
  r86428 | georg.brandl | 2010-11-12 09:09:26 +0100 (Fr, 12 Nov 2010) | 1 line

  Fix weird line block in table.
........
  r86550 | georg.brandl | 2010-11-20 11:24:34 +0100 (Sa, 20 Nov 2010) | 1 line

  Fix rst markup errors.
........
  r86561 | georg.brandl | 2010-11-20 12:47:10 +0100 (Sa, 20 Nov 2010) | 1 line

  #10460: Update indent.pro to match PEP 7 better.
........
  r86562 | georg.brandl | 2010-11-20 14:44:41 +0100 (Sa, 20 Nov 2010) | 1 line

  #10439: document PyCodec C APIs.
........
  r86564 | georg.brandl | 2010-11-20 15:08:53 +0100 (Sa, 20 Nov 2010) | 1 line

  #10460: an even better indent.pro.
........
  r86565 | georg.brandl | 2010-11-20 15:16:17 +0100 (Sa, 20 Nov 2010) | 1 line

  socket.gethostbyname(socket.gethostname()) can fail when host name resolution is not set up correctly; do not fail test_socket if this is the case.
........
  r86705 | georg.brandl | 2010-11-23 08:54:19 +0100 (Di, 23 Nov 2010) | 1 line

  #10468: document Unicode exception creation and access functions.
........
  r86708 | georg.brandl | 2010-11-23 09:37:54 +0100 (Di, 23 Nov 2010) | 2 lines

  #10511: clarification of what heaps are; suggested by Johannes Hoff.
........
  r86713 | georg.brandl | 2010-11-23 19:14:57 +0100 (Di, 23 Nov 2010) | 1 line

  assert.h is also included. Thanks to Savio Sena.
........
2010-11-26 09:05:43 +00:00
Ezio Melotti 19f2aeba67 Merged revisions 86596 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r86596 | ezio.melotti | 2010-11-20 21:04:17 +0200 (Sat, 20 Nov 2010) | 1 line

  #9424: Replace deprecated assert* methods in the Python test suite.
........
2010-11-21 01:30:29 +00:00
Ezio Melotti b3aedd4862 #9424: Replace deprecated assert* methods in the Python test suite. 2010-11-20 19:04:17 +00:00
Georg Brandl 89197fe93c socket.gethostbyname(socket.gethostname()) can fail when host name resolution is not set up correctly; do not fail test_socket if this is the case. 2010-11-20 14:16:17 +00:00
Brian Curtin 5ad0bd69c9 Add socket cleanup for ResourceWarning and update test to use skip decorator 2010-11-05 15:47:45 +00:00
Brian Curtin 8f8ed94196 Merged revisions 86151 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r86151 | brian.curtin | 2010-11-03 22:41:43 -0500 (Wed, 03 Nov 2010) | 3 lines

  Fix three ResourceWarnings.
  Mimic the clientTearDown from ThreadedTCPSocketTest, closing the socket.
........
2010-11-04 03:49:29 +00:00
Brian Curtin 3beb38f8ff Fix three ResourceWarnings.
Mimic the clientTearDown from ThreadedTCPSocketTest, closing the socket.
2010-11-04 03:41:43 +00:00
Brian Curtin 21ebbb7d39 Clean up ResourceWarnings due to unclosed sockets. 2010-11-02 02:07:09 +00:00
Antoine Pitrou e033e06db0 Issue #10093: ResourceWarnings are now issued when files and sockets are
deallocated without explicit closing.  These warnings are silenced by
default, except in pydebug mode.
2010-10-29 10:38:18 +00:00
Antoine Pitrou 1cae8b58eb Also guard other SOCK_NONBLOCK test 2010-10-23 17:05:13 +00:00
Antoine Pitrou acd0fda1a4 Fix SOCK_CLOEXEC and SOCK_NONBLOCK tests on recent glibcs with old Linux kernels. 2010-10-23 17:01:44 +00:00
Gregory P. Smith 397cd8a1fc Merged revisions 85586-85587,85596-85598 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r85586 | gregory.p.smith | 2010-10-16 17:17:24 -0700 (Sat, 16 Oct 2010) | 2 lines

  fix for netbsd.
........
  r85587 | gregory.p.smith | 2010-10-16 17:43:10 -0700 (Sat, 16 Oct 2010) | 3 lines

  applying netbsd-wizs-mod.patch from issue5510 -
   fixes for netbsd (and dragonflybsd?)
........
  r85596 | gregory.p.smith | 2010-10-16 19:14:36 -0700 (Sat, 16 Oct 2010) | 6 lines

  Fix multiprocessing Semaphore's on netbsd5. SEM_VALUE_MAX is defined
  as (~0U) on NetBSD which was causing it to appear as -1 when used as
  a signed int for _multprocessing.SemLock.SEM_VALUE_MAX.  This works
  around the problem by substituting INT_MAX on systems where it appears
  negative when used as an int.
........
  r85597 | gregory.p.smith | 2010-10-16 19:57:19 -0700 (Sat, 16 Oct 2010) | 2 lines

  skip test_itimer_virtual on NetBSD to prevent the test suite from hanging.
........
  r85598 | gregory.p.smith | 2010-10-16 20:09:12 -0700 (Sat, 16 Oct 2010) | 2 lines

  Avoid hanging the test on netbsd5.
........
2010-10-17 04:23:21 +00:00
Gregory P. Smith b603d03f15 fix for netbsd. 2010-10-17 00:17:24 +00:00
Antoine Pitrou fe9791365d Enable debug output at the start of the regression suite instead.
Sorry for the ephemeral inconvenience.
2010-10-15 13:47:00 +00:00
Antoine Pitrou f64317e05f Temporary debug printout for buildbots 2010-10-15 13:35:51 +00:00
Antoine Pitrou b1c5496738 Issue #7523: Add SOCK_CLOEXEC and SOCK_NONBLOCK to the socket module,
where supported by the system.  Patch by Nikita Vetoshkin.
2010-10-14 15:05:38 +00:00
Antoine Pitrou 674f40092a Merged revisions 85420 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r85420 | antoine.pitrou | 2010-10-13 18:17:14 +0200 (mer., 13 oct. 2010) | 5 lines

  Issue #10041: The signature of optional arguments in socket.makefile()
  didn't match that of io.open(), and they also didn't get forwarded
  properly to TextIOWrapper in text mode.  Patch by Kai Zhu.
........
2010-10-13 16:25:33 +00:00
Antoine Pitrou 834bd81c51 Issue #10041: The signature of optional arguments in socket.makefile()
didn't match that of io.open(), and they also didn't get forwarded
properly to TextIOWrapper in text mode.  Patch by Kai Zhu.
2010-10-13 16:17:14 +00:00
Antoine Pitrou 08ae02f11e Merged revisions 85032 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r85032 | antoine.pitrou | 2010-09-27 19:52:25 +0200 (lun., 27 sept. 2010) | 6 lines

  Issue #9950: Fix socket.sendall() crash or misbehaviour when a signal is
  received.  Now sendall() properly calls signal handlers if necessary,
  and retries sending if these returned successfully, including on sockets
  with a timeout.
........
2010-09-27 18:14:43 +00:00
Antoine Pitrou 6d7df63837 Issue #9950: Fix socket.sendall() crash or misbehaviour when a signal is
received.  Now sendall() properly calls signal handlers if necessary,
and retries sending if these returned successfully, including on sockets
with a timeout.
2010-09-27 17:52:25 +00:00
Antoine Pitrou 98b46702d2 Issue #9854: SocketIO objects now observe the RawIOBase interface in
non-blocking mode: they return None when an operation would block (instead
of raising an exception).
2010-09-18 22:59:00 +00:00
Antoine Pitrou 2e55fec14c Make testDefaults in test.test_socket.BasicSocketPairTest more reliable. 2010-09-14 21:24:25 +00:00
Antoine Pitrou 9e0b864ac0 Issue #1552: socket.socketpair() now returns regular socket.socket
objects supporting the whole socket API (rather than the "raw"
_socket.socket objects).
2010-09-14 18:00:02 +00:00
Daniel Stutzbach 460ff3dd1c Skip socket tests that require the network, if the network resource is not enabled 2010-09-09 21:17:58 +00:00
Giampaolo Rodolà b383dbb45e Fix issue 9794: adds context manager protocol to socket.socket so that socket.create_connection() can be used with the 'with' statement. 2010-09-08 22:44:12 +00:00
Antoine Pitrou 4d7979be72 Merged revisions 84597-84599 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r84597 | antoine.pitrou | 2010-09-07 22:42:19 +0200 (mar., 07 sept. 2010) | 5 lines

  Issue #8574: better implementation of test.support.transient_internet().
  Original patch by Victor.
........
  r84598 | antoine.pitrou | 2010-09-07 23:05:49 +0200 (mar., 07 sept. 2010) | 6 lines

  Issue #9792: In case of connection failure, socket.create_connection()
  would swallow the exception and raise a new one, making it impossible
  to fetch the original errno, or to filter timeout errors.  Now the
  original error is re-raised.
........
  r84599 | antoine.pitrou | 2010-09-07 23:09:09 +0200 (mar., 07 sept. 2010) | 4 lines

  Improve transient_internet() again to detect more network errors,
  and use it in test_robotparser. Fixes #8574.
........
2010-09-07 21:22:56 +00:00
Antoine Pitrou 4b92b5fad3 Issue #9792: In case of connection failure, socket.create_connection()
would swallow the exception and raise a new one, making it impossible
to fetch the original errno, or to filter timeout errors.  Now the
original error is re-raised.
2010-09-07 21:05:49 +00:00
Antoine Pitrou d9107aaded Issue #9777: test_idna requires the "network" resource 2010-09-04 18:50:35 +00:00
Daniel Stutzbach 06a3c8ae82 fromfd exists on Windows now 2010-09-03 11:11:43 +00:00
Martin v. Löwis 112c0f3411 Issue #1027206: getnameinfo is now restricted to numeric addresses as input. 2010-08-25 07:38:15 +00:00
Martin v. Löwis 67e91ad9cf Explicitly pass socket type and family for getaddrinfo,
to make test work on Solaris.
Disable gethostbyaddr IDNA test for now as there is no
reverse DNS entry for the IPv6 address of the test name.
2010-08-23 15:27:26 +00:00
Martin v. Löwis 56773cf0d2 Mention that gethostbyaddr now also supports IDNA. 2010-08-22 19:38:04 +00:00
Martin v. Löwis fc0275a14a Issue #1027206: Support IDNA in gethostbyname, gethostbyname_ex and
getaddrinfo. Patch by David Watson.
2010-08-22 19:33:47 +00:00
Giampaolo Rodolà ccfb91c89f fix issue #8866: parameters passed to socket.getaddrinfo can now be specified as single keyword arguments. 2010-08-17 15:30:23 +00:00
Giampaolo Rodolà 5b37ce64c1 Merged revisions 84089 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r84089 | giampaolo.rodola | 2010-08-16 07:08:11 +0200 (lun, 16 ago 2010) | 1 line

  fix getaddrinfo test failure on OSX caused by AI_CANNAME erroneously used as the value for 'proto'
........
2010-08-16 05:09:31 +00:00
Giampaolo Rodolà 677d95c258 fix getaddrinfo test failure on OSX caused by AI_CANNAME erroneously used as the value for 'proto' 2010-08-16 05:08:11 +00:00