[SR-Users] [Kamailio-Users] PCRE Regex / Transformations Bug?
Daniel-Constantin Mierla
miconda at gmail.com
Fri Apr 30 21:14:01 CEST 2010
Hi Brandon,
you are missing the multi-line matching flag, try:
xlog("L_INFO", "[$ci] $(rb{re.subst,/^(.*)m=audio ([0-9]+)(.*)$/\2/s})")
Note the 's' after the last '/' in subst expression.
Cheers,
Daniel
On 4/29/10 10:21 PM, Brandon Armstead wrote:
> Daniel,
>
> Here is the XLOG output, the top log is the unmodified version and the
> bottom is the modified version.
>
> xlog("L_INFO", "[$ci] $rb") OUTPUTS:
>
> Apr 29 20:17:23 sip-core02 /sbin/kamailio[23550]:
> [6db72a2f-7e263847 at 192.168.1.75
> <mailto:6db72a2f-7e263847 at 192.168.1.75>] v=0#015#012o=- 24986155
> 24986155 IN IP4 99.21.137.236#015#012s=-#015#012c=IN IP4
> 174.37.45.134#015#012t=0 0#015#012m=audio 55630 RTP/AVP 0 2 4 8 18 96
> 97 98 101#015#012a=rtpmap:0 PCMU/8000#015#012a=rtpmap:2
> G726-32/8000#015#012a=rtpmap:4 G723/8000#015#012a=rtpmap:8
> PCMA/8000#015#012a=rtpmap:18 G729a/8000#015#012a=rtpmap:96
> G726-40/8000#015#012a=rtpmap:97 G726-24/8000#015#012a=rtpmap:98
> G726-16/8000#015#012a=rtpmap:101
> telephone-event/8000#015#012a=fmtp:101
> 0-15#015#012a=ptime:30#015#012a=sendrecv#015#012a=nortpproxy:yes#015
>
> xlog("L_INFO", "[$ci] $(rb{re.subst,/^(.*)m=audio
> ([0-9]+)(.*)$/\2/})") OUTPUTS:
>
> Apr 29 20:17:23 sip-core02 /sbin/kamailio[23550]:
> [6db72a2f-7e263847 at 192.168.1.75
> <mailto:6db72a2f-7e263847 at 192.168.1.75>] v=0#015#012o=- 24986155
> 24986155 IN IP4 99.21.137.236#015#012s=-#015#012c=IN IP4
> 174.37.45.134#015#012t=0 0#015#01255630#012a=rtpmap:0
> PCMU/8000#015#012a=rtpmap:2 G726-32/8000#015#012a=rtpmap:4
> G723/8000#015#012a=rtpmap:8 PCMA/8000#015#012a=rtpmap:18
> G729a/8000#015#012a=rtpmap:96 G726-40/8000#015#012a=rtpmap:97
> G726-24/8000#015#012a=rtpmap:98 G726-16/8000#015#012a=rtpmap:101
> telephone-event/8000#015#012a=fmtp:101
> 0-15#015#012a=ptime:30#015#012a=sendrecv#015#012a=nortpproxy:yes#015
>
> As for the actual INVITE / SDP BODY:
>
> v=0.
> o=- 24986155 24986155 IN IP4 99.21.XXX.XXX.
> s=-.
> c=IN IP4 174.37.XX.XXX.
> t=0 0.
> m=audio 55630 RTP/AVP 0 2 4 8 18 96 97 98 101.
> a=rtpmap:0 PCMU/8000.
> a=rtpmap:2 G726-32/8000.
> a=rtpmap:4 G723/8000.
> a=rtpmap:8 PCMA/8000.
> a=rtpmap:18 G729a/8000.
> a=rtpmap:96 G726-40/8000.
> a=rtpmap:97 G726-24/8000.
> a=rtpmap:98 G726-16/8000.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
> a=ptime:30.
> a=sendrecv.
> a=nortpproxy:yes.
>
> Let me know if this is sufficient or if there is anything else I can
> provide. Thanks!
>
> Sincerely,
> Brandon Armstead
>
> On Wed, Apr 28, 2010 at 3:54 PM, Daniel-Constantin Mierla
> <miconda at gmail.com <mailto:miconda at gmail.com>> wrote:
>
> Hello,
>
> can you paste here the sip message and the result of the
> substitution? It will help to troubleshoot if is something wrong
> there.
>
> Cheers,
> Daniel
>
>
>
> On 4/27/10 2:35 AM, Brandon Armstead wrote:
>> Hello All,
>>
>> Correction, it seems both the last supplied regex and
>> xlog("L_INFO", "[$ci] m=audio $(rb{re.subst,/(.*)m=audio ([0-9]+)
>> (.*)/\2/})"); return the same invalid results.
>>
>> Thanks again!
>>
>> Sincerely,
>> Brandon Armstead
>>
>> On Mon, Apr 26, 2010 at 7:33 PM, Brandon Armstead
>> <brandon at cryy.com <mailto:brandon at cryy.com>> wrote:
>>
>> Hello All,
>>
>> I hate to dig-up this older mailing list entry. However I
>> am some additional trouble with what I believe is a
>> completely posix-only regex.
>>
>> xlog("L_INFO", "[$ci] m=audio
>> $(rb{re.subst,/(.*)m=audio(.*)/\2/})");
>>
>> I would expect to give me the port from the m=audio line,
>> however it does not -- it simply removes m=audio.
>>
>> Any thoughts / ideas / suggestions?
>>
>> Sincerely,
>> Brandon Armstead
>>
>>
>> On Wed, Dec 23, 2009 at 9:31 PM, Iñaki Baz Castillo
>> <ibc at aliax.net <mailto:ibc at aliax.net>> wrote:
>>
>> El Miércoles, 23 de Diciembre de 2009, Daniel-Constantin
>> Mierla escribió:
>> > the re.subst transformation uses Posix regexp for
>> matching, only the
>> > format of the command is perl-like. I implemented this
>> because textops
>> > has no dependency of extra libraries than core and I
>> wanted to keep it so.
>> >
>> > Maybe is good to add a pcre.subst transformation in
>> regex module to be
>> > able to use extended regexp formats given by libpcre.
>>
>> I¡ll try to implement it when I get some spare time :)
>>
>>
>> --
>> Iñaki Baz Castillo <ibc at aliax.net <mailto:ibc at aliax.net>>
>>
>> _______________________________________________
>> Kamailio (OpenSER) - Users mailing list
>> Users at lists.kamailio.org <mailto:Users at lists.kamailio.org>
>> http://lists.kamailio.org/cgi-bin/mailman/listinfo/users
>> http://lists.openser-project.org/cgi-bin/mailman/listinfo/users
>>
>>
>>
>>
>> _______________________________________________
>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>> sr-users at lists.sip-router.org <mailto:sr-users at lists.sip-router.org>
>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>
>
> -- Daniel-Constantin Mierla * http://www.asipto.com/
>
> *http://twitter.com/miconda
> *http://www.linkedin.com/in/danielconstantinmierla
>
>
>
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
> sr-users at lists.sip-router.org
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>
--
Daniel-Constantin Mierla
* http://www.asipto.com/
* http://twitter.com/miconda
* http://www.linkedin.com/in/danielconstantinmierla
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.sip-router.org/pipermail/sr-users/attachments/20100430/3e9d5182/attachment.htm>
More information about the sr-users
mailing list