I'm using OpenACS hence the TCL. I just want to let the user know that their
file is over the size limit. Could we, in driver.c instead of closing the
connection socket, return a custom template (like Apache does) ?
Brian
________________________________________
From: AOLserver Discussion [AOLSERVER@LISTSERV.AOL.COM] On Behalf Of Jim
Davidson [jgdavid...@mac.com]
Sent: 23 June 2011 15:59
To: AOLSERVER@LISTSERV.AOL.COM
Subject: Re: [AOLSERVER] Problem with file uploads larger than maxinput
I think the short answer is there is no way.
Checking the code and your error message, this is error condition E_CRANGE.
It's returned from SockReadLine which is called repeatedly to read the request
line ("GET /url/ ...") and headers. As it reads lines, it parses them for some
special conditions. If it sees a "content-length" header, it's parsed and
verified the content to be sent isn't out of range. If it is, it returns
E_CRANGE and the connection is aborted. So, there's no Tcl environment
available to fiddle with.
There is some Tcl framework in there for "que wait" callbacks but it's not
exposed for error conditions. Good idea.
Question: What are you trying to do with Tcl? Maybe you could hack the
driver.c code to do something smart at CRANGE alone? I think it's the most
common limit-related error.
-Jim
On Jun 23, 2011, at 8:22 AM, Fenton, Brian wrote:
> Thanks Jim
>
> yes that now logs the fact that the file was too big (multiple times in
> fact), but how can I access this fact in TCL?
>
> [23/Jun/2011:15:05:50][27869.163851][-nssock:driver-] Error: conn[38]: max
> content exceeded
> [23/Jun/2011:15:05:50][27869.163851][-nssock:driver-] Error: conn[39]: max
> content exceeded
> [23/Jun/2011:15:05:50][27869.163851][-nssock:driver-] Error: conn[40]: max
> content exceeded
> [23/Jun/2011:15:05:50][27869.163851][-nssock:driver-] Error: conn[41]: max
> content exceeded
> [23/Jun/2011:15:05:50][27869.163851][-nssock:driver-] Error: conn[42]: max
> content exceeded
> [23/Jun/2011:15:05:50][27869.163851][-nssock:driver-] Error: conn[43]: max
> content exceeded
> [23/Jun/2011:15:05:50][27869.163851][-nssock:driver-] Error: conn[44]: max
> content exceeded
>
> Brian
>
> ________________________________________
> From: AOLserver Discussion [AOLSERVER@LISTSERV.AOL.COM] On Behalf Of Jim
> Davidson [jgdavid...@mac.com]
> Sent: 23 June 2011 14:44
> To: AOLSERVER@LISTSERV.AOL.COM
> Subject: Re: [AOLSERVER] Problem with file uploads larger than maxinput
>
> Howdy,
>
> Appears you need to set driver "debug" mode for the driver for the given
> socket module thing:
>
> ns_section "ns/server/server1/module/nssock"
> ns_param debug 1
>
> Hopefully that's not too much muck in the server log.
>
> -Jim
>
>
> On Jun 23, 2011, at 7:16 AM, Fenton, Brian wrote:
>
>> Thanks Jim
>>
>> I should have mentioned that there was nothing in the error log either.
>>
>> So, how would you recommend I capture the fact that the uploaded file is
>> larger than our limit, and feedback to the user?
>>
>>
>> thanks
>> Brian
>>
>>
>> ________________________________________
>> From: AOLserver Discussion [AOLSERVER@LISTSERV.AOL.COM] On Behalf Of Jim
>> Davidson [jgdavid...@mac.com]
>> Sent: 23 June 2011 13:47
>> To: AOLSERVER@LISTSERV.AOL.COM
>> Subject: Re: [AOLSERVER] Problem with file uploads larger than maxinput
>>
>> Hi,
>>
>> The short answer is no, there's no access log entry although there may be a
>> server log message buried in the chatter.
>>
>> The reason is the access log is a "trace" that fires at the end of an HTTP
>> connection and the request isn't a connection until all the content has been
>> read and the data structures hooked up and passed over to a connection
>> thread. In retrospect, transaction logging should be a lower-level built-in
>> that can deal with logging these aborted transactions.
>>
>> You can see what may be logged in the server log by looking at the
>> LogReadError function at the end of nsd/driver.c, maybe a E_RRANGE, "max
>> request exceeded".
>>
>>
>> -Jim
>>
>>
>>
>>
>> On Jun 23, 2011, at 6:04 AM, Fenton, Brian wrote:
>>
>>> Hi
>>>
>>> When I upload a file larger than the maxinput I get the Firefox browser
>>> page with a "the connection to the server was reset while the page was
>>> loading" message. Looking in the access logs it seems to suggest that it
>>> doesn't even hit the website as there is no log entry. A file smaller than
>>> the maxinput uploads with no problems and everything is correctly logged.
>>> Increasing maxinput allows the file to upload and also is everything is
>>> correctly logged (so it's not a browser or network issue).
>>>
>>> I don't fully understand this - if there is no entry in the access log,
>>> does this mean that I'm not even connnecting to AOLserver? As the success
>>> of the upload is dependent on maxinput I imagine there is some sort of
>>> connection to the server. Assuming there is a connection how can I log it
>>> or intercept it?
>>>
>>> Can anyone advise me on what to try? Ideally, I'd like to be able to
>>> capture the fact that the uploaded file is larger than our limit, and
>>> feedback to the user. Even more ideally, I'd like to be able to tell them
>>> BEFORE they upload. :-)
>>>
>>> I've got the following settings in my config.tcl (this is AOLserver 4.5.1
>>> but also happens on 4.0.10 and on Windows version)
>>>
>>> set max_file_upload_mb 10
>>> set max_file_upload_min 5
>>> ns_section ns/server/${server}/module/nssock
>>> ns_param maxinput [expr {$max_file_upload_mb * 1024 * 1024}]
>>> ;# Maximum File Size for uploads in bytes
>>> ns_param maxpost [expr {$max_file_upload_mb * 1024 * 1024}]
>>> ;# Maximum File Size for uploads in bytes
>>> ns_param recvwait [expr {$max_file_upload_min * 60}] ;#
>>> Maximum request time in minutes
>>>
>>>
>>> --
>>> AOLserver - http://www.aolserver.com/
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>>
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