do you think my problem of auth related?
https://groups.google.com/forum/?fromgroups=#!searchin/web2py/auth$20error/web2py/jkqyPM5_zaE/Ve5gy7greuoJ
i am running web2py on multi-threaded mod_wsgi
On Thursday, January 17, 2013 4:53:40 PM UTC+8, Daniel Gonzalez wrote:
>
> Yes Anthony, pretty sure. The little hash that you see in the logs *is*
> the cookie. Otherwise I can not grep for the relevant log messages (lots of
> activity going on with 10 parallel requests). This is the code that I have
> at the very top of my db.py:
>
> try:
> cookie_value = request.cookies[response.session_id_name].value
> except:
> cookie_value = None
>
> from gluon.tools import tools_tracer
> tools_tracer.setid(cookie_value)
>
> (tools_tracer is part of my instrumentation) And that setid call with
> compute a cookie hash for my logs.
>
> On Thursday, January 17, 2013 5:32:22 AM UTC+1, Anthony wrote:
>>
>> You're sure the client is sending the session cookie each time?
>>
>> On Wednesday, January 16, 2013 10:19:01 PM UTC-5, Daniel Gonzalez wrote:
>>>
>>> Hi,
>>>
>>> I am doing stress testing of my web2py application. The way I am doing
>>> this is:
>>>
>>> - 10 parallel clients
>>> - the clients log-in automatically, and obtain the session cookie
>>> - the clients log-in only *once* at the start of testing.
>>> - I use the session cookie to tag log messages in order to look for
>>> mý problem: this way I can relate the log messages to a specific client.
>>> - I am looking for problems in the web2py code, specifically in
>>> tools.py, Auth.__init__, where the auth.user is defined
>>>
>>> This is my instrumented code (in tools.py, Auth.__init__):
>>>
>>> if auth is None:
>>> tools_tracer.show('session.auth is None')
>>> if auth and auth.last_visit and auth.last_visit + \
>>> datetime.timedelta(days=0, seconds=auth.expiration) >request
>>> .now:
>>> tools_tracer.show('session.auth active, last_visit=%s', auth
>>> .last_visit)
>>> self.user = auth.user
>>> # this is a trick to speed up sessions
>>> if (request.now - auth.last_visit).seconds > (auth.expiration
>>> / 10):
>>> auth.last_visit = request.now
>>> else:
>>> self.user = None
>>> if session.auth:
>>> del session.auth
>>> tools_tracer.show('session.auth expired')
>>>
>>> And (in tools.py, Auth.login_user):
>>>
>>> current.session.auth = Storage(
>>> user = user,
>>> last_visit=current.request.now,
>>> expiration=self.settings.expiration,
>>> hmac_key=web2py_uuid())
>>> tools_tracer.show('session.auth created')
>>>
>>> This is my current log:
>>>
>>> 2013-01-17 04:00:41,816 - Thread-5 - c2d769 session.auth
>>> is None
>>> 2013-01-17 04:00:41,861 - Thread-5 - c2d769 session.auth
>>> created
>>> 2013-01-17 04:00:41,984 - Thread-6 - c2d769 session.auth
>>> active, last_visit=2013-01-17 04:00:41.791030
>>> 2013-01-17 04:00:48,923 - Thread-7 - c2d769 session.auth
>>> is None
>>> 2013-01-17 04:01:51,131 - Thread-10 - c2d769 session.auth
>>> is None
>>> 2013-01-17 04:01:51,214 - Thread-9 - c2d769 session.auth
>>> is None
>>> 2013-01-17 04:02:42,506 - Thread-6 - c2d769 session.auth
>>> is None
>>> 2013-01-17 04:04:42,791 - Thread-9 - c2d769 session.auth
>>> active, last_visit=2013-01-17 04:04:07.717197
>>> 2013-01-17 04:04:42,816 - Thread-4 - c2d769 session.auth
>>> is None
>>> 2013-01-17 04:04:48,862 - Thread-10 - c2d769 session.auth
>>> is None
>>> 2013-01-17 04:04:49,251 - Thread-6 - c2d769 session.auth
>>> is None
>>> 2013-01-17 04:05:35,713 - Thread-7 - c2d769 session.auth
>>> is None
>>> 2013-01-17 04:06:39,764 - Thread-8 - c2d769 session.auth
>>> active, last_visit=2013-01-17 04:06:10.853567
>>> 2013-01-17 04:06:39,803 - Thread-2 - c2d769 session.auth
>>> is None
>>> 2013-01-17 04:07:35,154 - Thread-8 - c2d769 session.auth
>>> active, last_visit=2013-01-17 04:07:00.261709
>>> 2013-01-17 04:07:40,860 - Thread-9 - c2d769 session.auth
>>> is None
>>> 2013-01-17 04:07:46,176 - Thread-8 - c2d769 session.auth
>>> is None
>>> 2013-01-17 04:07:46,266 - Thread-5 - c2d769 session.auth
>>> is None
>>> 2013-01-17 04:08:27,416 - Thread-9 - c2d769 session.auth
>>> active, last_visit=2013-01-17 04:08:03.492030
>>> 2013-01-17 04:08:27,436 - Thread-2 - c2d769 session.auth
>>> is None
>>> 2013-01-17 04:09:31,485 - Thread-10 - c2d769 session.auth
>>> is None
>>> 2013-01-17 04:11:21,903 - Thread-7 - c2d769 session.auth
>>> is None
>>> 2013-01-17 04:12:20,207 - Thread-10 - c2d769 session.auth
>>> is None
>>>
>>> (the c2d769 is a hash of the cookie, and identifies the client)
>>>
>>> As you can see, very often (for this specific client, other clients have
>>> fewer problems), the session.auth is not there. But then suddenly, in the
>>> following request, it is there again.
>>>
>>> What can be causing this strange problem?
>>>
>>> Thanks,
>>> Daniel
>>>
>>>
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