[SR-Users] sdp extra \r\n in multipart body

[Diego Nadares]

Hi Sergey. In your cap sdp has \r\n\r\n but isup has just \r\n. In our case
is the other way around. I steel wonder if each multipart body should or
must end with one or two \r\n.

Thanks for you help!

Cheers!

Diego

2017-08-29 8:07 GMT-03:00 Sergey Basov <sergey.v.basov at gmail.com>:

> Hi Diego.
>
> Please find attached pcap from my production equipment.
>
> If you need more info - please let me know.
>
> --
> Best regards,
> Sergey Basov                     e-mail: sergey.v.basov at gmail.com
>
> 2017-08-25 16:59 GMT+03:00 Diego Nadares <dnadares at gmail.com>:
>
>> Hi guys,
>>
>> Any hint on what is the correct multipart format? I couldn't find it in
>> rfc.
>>
>> Thanks again.
>>
>> cheers,
>>
>> Diego.
>>
>> 2017-08-22 9:37 GMT-03:00 Diego Nadares <dnadares at gmail.com>:
>>
>>> Hi Daniel! Thanks for your reply.
>>>
>>> The rtpengine module I think it's expecting two \r\n like:
>>>
>>> ...pcma/8000\r\n
>>> \r\n
>>> --uniqueboundary
>>> ....
>>> cpc,9\r\n
>>> \r\n
>>> --uniqueboundary--
>>>
>>>
>>> I saw the code and I modified it but Can any one cofirm if multipart has
>>> to be like
>>>
>>> ...pcma/8000\r\n
>>> \r\n
>>> --uniqueboundary
>>>
>>> Or
>>> ...pcma/8000\r\n
>>> --uniqueboundary
>>>
>>> Or any one of those?
>>>
>>> Thanks again!
>>>
>>> Diego
>>>
>>>
>>> El El lun, 21 de ago. de 2017 a las 02:33, Daniel-Constantin Mierla <
>>> miconda at gmail.com> escribió:
>>>
>>>> Hello,
>>>>
>>>> there is \r\n after
>>>>
>>>> a=rtpmap:8 PCMA/8000
>>>>
>>>> because
>>>>
>>>> --uniqueBoundary--
>>>>
>>>> is on next line.
>>>>
>>>> Maybe is the fault of the code extracting sdp from multi-part body.
>>>> Open an issue on github bug tracker not to forget about it. If nobody looks
>>>> at it, I will try to do it, but it may take few days given traveling.
>>>>
>>>> Cheers,
>>>> Daniel
>>>>
>>>> On 18.08.17 22:21, Diego Nadares wrote:
>>>>
>>>> Hi guys,
>>>>
>>>> I have the following multipart body
>>>>
>>>> Content-Type: multipart/mixed;boundary=uniqueBoundary
>>>> Remote-Party-ID: <tel:1112222;phone-context=+54>
>>>> <1112222;phone-context=+54>
>>>> Content-Length:   364
>>>>
>>>> --uniqueBoundary
>>>> Content-Type: application/sdp
>>>>
>>>> v=0
>>>> o=user1 53655765 2353687637 <02353%2068-7637> IN IP4 111.111.111.111
>>>> s=-
>>>> c=IN IP4 111.111.111.111
>>>> t=0 0
>>>> m=audio 6000 RTP/AVP 8
>>>> *a=rtpmap:8 PCMA/8000*
>>>> *--uniqueBoundary--*
>>>> Content-Type: application/gtd
>>>> Content-Disposition: signal;handling=optional
>>>>
>>>> IAM,
>>>> CPC,20
>>>> GCI,885sdfasdf1123
>>>>
>>>> --uniqueBoundary--
>>>>
>>>>
>>>> As you can see *--uniqueBoundary *before *a=rtpmap:8 PCMA/8000* has
>>>> not an extra '\r\n'. Is this correct? Or should have it?
>>>>
>>>> The thing is that rtpengine is receiving sdp with no final '\r'n' from
>>>> kamailio:
>>>>
>>>> Dump for 'offer' from 127.0.0.1:37388: { "sdp": "v=0#015#012o=user1
>>>> 53655765 2353687637 <02353%2068-7637> IN IP4
>>>> 111.111.111.111#015#012s=-#015#012c=IN IP4 111.111.111.111#015#012t=0
>>>> 0#015#012m=audio 6000 RTP/AVP 8#015#012*a=rtpmap:8 PCMA/8000"*, "ICE":
>>>> "remove", "direction": [ "pub", "priv" ], "replace": [ "origin",
>>>> "session-connection" ], "transport-protocol": "RTP/AVP", "call-id": "
>>>> 1-17755 at 111.111.111.111", "received-from": [ "IP4", "111.111.111.111"
>>>> ], "from-tag": "1", "command": "offer" }
>>>>
>>>> And the resulting sdp from rtpengine is this:
>>>>
>>>> --uniqueBoundary
>>>> Content-Type: application/sdp
>>>>
>>>> v=0
>>>> o=user1 53655765 2353687637 <02353%2068-7637> IN IP4 172.16.213.16
>>>> s=-
>>>> c=IN IP4 172.16.213.16
>>>> t=0 0
>>>> m=audio 35066 RTP/AVP 8
>>>> *a=rtpmap:8 PCMA/8000a=sendrecv*
>>>> a=rtcp:35067
>>>>
>>>> The problem is related with that '\r\n' but Is this a malformed message
>>>> or a possible bug?
>>>>
>>>> Thanks in advance!
>>>>
>>>> Diego
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> Kamailio (SER) - Users Mailing Listsr-users at lists.kamailio.orghttps://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>
>>>>
>>>> --
>>>> Daniel-Constantin Mierlawww.twitter.com/miconda -- www.linkedin.com/in/miconda
>>>> Kamailio Advanced Training - www.asipto.com
>>>> Kamailio World Conference - www.kamailioworld.com
>>>>
>>>>
>>
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