[Freeswitch-users] mod_httapi issues

Tue Jul 12 20:23:21 MSD 2016

Sure no problem.  You should come see us at ClueCon next month!

On Tue, Jul 12, 2016 at 11:05 AM, Colin Morelli <colin.morelli at gmail.com>
wrote:

> Anthony,
>
> Just tried a number of test calls on master and am not seeing the issue
> anymore. When I was going through the httapi source I saw that and thought
> "this might be an issue" but for some reason I convinced myself that httapi
> was using a different callback.
>
> In any case, this must be some kind of absolute record-breaking response
> time!
>
> Thanks for the awesome response.
>
> Best,
> Colin
>
> On Tue, Jul 12, 2016 at 11:58 AM Anthony Minessale <
> anthony.minessale at gmail.com> wrote:
>
>> https://freeswitch.org/jira/browse/FS-9345
>>
>> Try master
>>
>> On Tue, Jul 12, 2016 at 10:00 AM, Colin Morelli <colin.morelli at gmail.com>
>> wrote:
>>
>>> Yeah, the content-length appears to be correct. I didn't look at the
>>> delay between the packets, but I can check on that (is there a low default
>>> read timeout in httapi?)
>>>
>>> What ends up happening is that FS receives a partial XML response,
>>> processes all of the complete instructions, and then re-requests the same
>>> URL again. Sometimes on the second time it works. In the worst case, I have
>>> seen FS loop over the request 6 times before eventually it receives a full
>>> result.
>>>
>>> Also, for what it's worth, I build FS off of master for a different
>>> issue I was trying to fix, and consequently ran it outside of docker (on
>>> Ubuntu Xenial) and the same issue happened. So, that rules out anything
>>> specific to that FS version and/or docker. Most likely curl issues also
>>> (unless Xenial and the libcurl in the jessie container both had the bug).
>>>
>>> I'll try to grab a pcap and send it your way.
>>>
>>> On Tue, Jul 12, 2016 at 10:55 AM Anthony Minessale <
>>> anthony.minessale at gmail.com> wrote:
>>>
>>>> Is the content length on the response consistent with the bytes in both
>>>> packets together?
>>>> is there any delay between the 2 packets.
>>>> I might have to see the pcap to really comment.
>>>>
>>>>
>>>> On Mon, Jul 11, 2016 at 4:13 PM, Colin Morelli <colin.morelli at gmail.com
>>>> > wrote:
>>>>
>>>>> Hey all,
>>>>>
>>>>> I've previously been using mod_httapi with no problems - so I'm not
>>>>> quite at the point of calling this a FS bug yet (although the behavior is
>>>>> certainly unexpected).
>>>>>
>>>>> I recently set up a t2.nano instance in AWS - which are 512m memory.
>>>>> The purpose of this instance is just to test FS configurations. Generally
>>>>> speaking it works fine, with one exception:
>>>>>
>>>>> Relatively frequently (throwing out a number of 15% here which may not
>>>>> be right but it's in the right ball park), the response that FS receives
>>>>> from my endpoint is cut off at some point throughout the string. When it
>>>>> happens, the last character that FS receives exactly matches the final
>>>>> character of a single TCP packet. However, after running tcpdump on the
>>>>> machine I do see the full response coming back (split across two packets).
>>>>>
>>>>> Now, I had not seen this problem until launching the t2.nano instance.
>>>>> Three things have changed since then:
>>>>>
>>>>> 1. FS 1.6.7 -> 1.6.9 (though I don't think this matters, as I don't
>>>>> see any relevant httapi changes)
>>>>> 2. Moved into a docker container
>>>>> 3. Reduction in instance specs (2 cores + 2GB ram down to 1 core +
>>>>> 512mb RAM).
>>>>>
>>>>> I should note it's also possible that the dependencies (such as
>>>>> libcurl) have changed, though I searched through libcurls bug list and
>>>>> couldn't find anything related to this.
>>>>>
>>>>> Because of item #3 my first assumption was a memory allocation issue,
>>>>> though FS reports nothing about this in the logs and when it happens I can
>>>>> see that the system still has 100+MB free.
>>>>>
>>>>> I thought it would help to post here first to see if the general
>>>>> consensus is "there's no way FS will run correctly on 512mb of ram" or
>>>>> something along those lines. But please let me know if I should make a bug
>>>>> for this.
>>>>>
>>>>> Best,
>>>>> Colin
>>>>>
>>>>>
>>>>> _________________________________________________________________________
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>>>>>
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>>>>
>>>>
>>>>
>>>> --
>>>> Anthony Minessale II       ♬ @anthmfs  ♬ @FreeSWITCH  ♬
>>>>
>>>> ☞ http://freeswitch.org/  ☞ http://cluecon.com/  ☞
>>>> http://twitter.com/FreeSWITCH
>>>> ☞ irc.freenode.net #freeswitch ☞ *http://freeswitch.org/g+
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>>>>
>>>> https://www.youtube.com/watch?v=9XXgW34t40s
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>>>>
>>>> _________________________________________________________________________
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>>>>
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>>>
>>> _________________________________________________________________________
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>>
>>
>>
>> --
>> Anthony Minessale II       ♬ @anthmfs  ♬ @FreeSWITCH  ♬
>>
>> ☞ http://freeswitch.org/  ☞ http://cluecon.com/  ☞
>> http://twitter.com/FreeSWITCH
>> ☞ irc.freenode.net #freeswitch ☞ *http://freeswitch.org/g+
>> <http://freeswitch.org/g+>*
>>
>> ClueCon Weekly Development Call
>> ☎ sip:888 at conference.freeswitch.org  ☎ +19193869900
>>
>> https://www.youtube.com/watch?v=9XXgW34t40s
>> https://www.youtube.com/watch?v=NLaDpGQuZDA
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> Official FreeSWITCH Sites
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>> http://www.cluecon.com
>>
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>
>
> _________________________________________________________________________
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> http://www.freeswitchsolutions.com
>
> Official FreeSWITCH Sites
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>
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-- 
Anthony Minessale II       ♬ @anthmfs  ♬ @FreeSWITCH  ♬

☞ http://freeswitch.org/  ☞ http://cluecon.com/  ☞
http://twitter.com/FreeSWITCH
☞ irc.freenode.net #freeswitch ☞ *http://freeswitch.org/g+
<http://freeswitch.org/g+>*

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https://www.youtube.com/watch?v=9XXgW34t40s
https://www.youtube.com/watch?v=NLaDpGQuZDA
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