Re: [OpenSIPStack] Sip Test Messages (Was: RE: SIPMessage & SDPLazyParser)

[<jo...@op...>]

Thomas Raschbacher wrote:
> Hi.
>
> I'm afraid that a few weeks might be too long for me/our project.
> It's funny though that you mention a descent ABNF parser as I've been looking into one myself (boost::spirit http://www.boost.org/libs/spirit/index.html)
>   


AFAIK boost::spirits is an EBNF parser and not ABNF.  However, I'm sure 
it can be stretched to do SIP Parsing.


> Is any code for this available somewhere already as I'd like to have a look if possible.
>   

sure...  here it is

http://opensipstack.svn.sourceforge.net/viewvc/opensipstack/include/utils/ABNF.h?view=markup

> Regards,
>
> -----Original Message-----
> From: Joegen E. Baclor [mailto:joe...@gm...]
> Sent: Dienstag, 19. Februar 2008 12:40
> To: Thomas Raschbacher
> Cc: ope...@li...
> Subject: Re: Sip Test Messages (Was: RE: [OpenSIPStack] SIPMessage & SDPLazyParser)
>
> Hi Thomas,
>
> I am currently in the process of writing a new SIP Parser for
> OpenSIPStack that makes use of a recursive descent ABNF parser for SIP
> Messages.  This would allow implementors to detect syntax error in SIP
> Requests and be able to tell exactly where the error occurred in the
> parsing process.  If you could wait a couple of weeks, this new parser
> might be best suited for your needs.
>
> As of the moment, the current OpenSIPStack is a passive parser so you
> would need to manually check each header for validity.
>
> Joegen
>
> Thomas Raschbacher wrote:
>   
>> Thanks for your fast reply.
>> Mime-Version: 1.0
>> Content-Transfer-Encoding: quoted-printable
>> Content-Type: text/plain; charset=iso-8859-1
>>
>> I just did some testing with (the 1.1.7 release of OSS) with test messages =
>> from
>> http://www.cs.columbia.edu/sip/sipit/testmsg.html
>> It all seems fine apart from test1.txt which the sip parser reports as not =
>> being a valid sip message. According to the page (I'm not sure myself as it=
>>  is rather messed up ;)) this is a valid SIP message [although imho if some=
>> one actually writes a client that sends a message like this that person sho=
>> uld be hang upside down for a week until he/she comes to his/her senses aga=
>> in ;))]
>> It seems to think the call id is not valid (SIPMessage.cxx line 8528) (I de=
>> bugged a bit and it seems that m_RawMessage is NULL -wherever that gets set=
>>  .. I assume at parse time or something .. anyway what would be the best wa=
>> y to find out which part of that message it doesn't like?
>>
>> Regards,
>>
>> -----Original Message-----
>> From: ope...@li... [mailto:opensipstack=
>> -de...@li...] On Behalf Of Joegen E. Baclor
>> Sent: Montag, 18. Februar 2008 16:43
>> To: ope...@li...
>> Subject: Re: [OpenSIPStack] SIPMessage & SDPLazyParser
>>
>> Thomas Raschbacher wrote:
>>
>>     
>>> Hi.
>>>
>>> I'm currently working on a (commercial) project in which we will use Open=
>>>
>>>       
>> SipStacks SIP and SDP Parser (maybe other parts later).
>>
>>     
>>> I'm using just the SIPMessage class to parse the SIP Messages themselves =
>>>
>>>       
>> and SDPLazyParser to parse the SDP if there is one.
>>
>>     
>>> 1) Did I find the correct classes for my use or would other classes be be=
>>>
>>>       
>> tter suited / recommended? (I need to be able to read and/or change every p=
>> art of both the sip headers and the sdp)
>>
>>
>> Those are the two classes you need, yes.
>>
>>
>>
>>     
>>> 2) Is there functionality (that is not linked with the transport) that wo=
>>>
>>>       
>> uld allow me to automagically generate say a TRYING,RINGING, OK from an inc=
>> oming request?
>>
>>
>> see SIPMessage::CreateResponse();
>>
>>
>>     
>>> Regards
>>>
>>> Mit freundlichen Gr=FC=DFen
>>> Thomas Raschbacher
>>> ____________________________________________
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>> kei
>>
>>     
>>> http://www.itcampus.eu
>>>
>>>
>>>
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>
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