[OpenSIPS-Users] How to parse XML Body?

xaled xaled at web.de
Fri Jan 13 05:04:34 EST 2017


Hi Bogdan,

 

thank you for looking at this issue. This regex does not work. I tried different combinations of the idea but it just not getting there. 

 

2017-01-13T11:02:42.287766+01:00 ivr01 /usr/local/sbin/opensips[24845]: DBG:core:tr_eval_re: we must compile the regexp

2017-01-13T11:02:42.288116+01:00 ivr01 /usr/local/sbin/opensips[24845]: WARNING:core:parse_repl: \/ unknown escape in (.*)<\/gml:Coordinates(.*)/\2/s

2017-01-13T11:02:42.288464+01:00 ivr01 /usr/local/sbin/opensips[24845]: ERROR:core:subst_parser: unknown flag . in (.*)/gml:Coordinates>(.*)<\/gml:Coordin

ates(.*)/\2/s

2017-01-13T11:02:42.288787+01:00 ivr01 /usr/local/sbin/opensips[24845]: ERROR:core:tr_eval_re: Can't compile regexp

 

I managed to get it running with perl:

 

use OpenSIPS qw ( log );

use OpenSIPS::Constants;

use OpenSIPS::Message;

 

 

sub parsePIDFLO {

        my $m = shift;

my $body = $m->getBody();

($coord) = $body =~ /Coordinates>(.*)</;

my ($long, $lat) = split( /\s+/, $coord );

 

Btw it would be great to be able to address the xml body by something like this:

rb[application/pidf+xml] or rb["application/pidf+xml"] otherwise if bodies come in different order rb[1] would not work.

 

Thanks

From: Bogdan-Andrei Iancu [mailto:bogdan at opensips.org] 
Sent: Mittwoch, 11. Januar 2017 11:05
To: OpenSIPS users mailling list <users at lists.opensips.org>; asd asd <xaled at web.de>
Subject: Re: [OpenSIPS-Users] How to parse XML Body?

 

Hi,

Please try

$var(reg) = "(.*)/gml:Coordinates>(.*)<\/gml:Coordinates(.*)/\2/s";
xlog("Position is $(rb[1]{re.subst,$var(reg)})\n");

Regards,



Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 01/06/2017 05:44 PM, xaled wrote:

Hi Bogdan,

 

can you give any hints on how to get the Coordinates values and not the whole xml body from the regex subst?

Sorry for being not clever enough to figure it out myself.

 

Thanks 

 

 

Hi Bogdan, 

 

$var(reg) = "/gml:Coordinates>(.*)<\/gml:Coordinates/\1/";

xlog("Position is $(rb[1]{re.subst,$var(reg)})\n");

 

DBG:core:subst_run:matched shows the needed XML element with value, but not the value alone. The xlog output shows the whole XML body without gml:Coordinates. 

 

2017-01-05T13:23:23.104982+01:00 ivr01 /usr/local/sbin/opensips[2227]: DBG:core:tr_eval_re: Trying to apply reg

exp [/gml:Coordinates>(.*)<\/gml:Coordinates/\1/] on : [<?xml version="1.0" encoding="UTF-8"?>#015#012<presence xml

ns="urn:ietf:params:xml:ns:pidf" xmlns:gp="urn:ietf:params:xml:ns:pidf:geopriv10" xmlns:gml="urn:opengis:specificat

ion:gml:schema-xsd:feature:v3.0" entity= <mailto:pres:sip:+1234567 at test.com> "pres:sip:+1234567 at test.com">#015#012 <tuple id="PDT">#015#012  <s

tatus>#015#012   <gp:geopriv>#015#012    <gp:location-info>#015#012     <gml:location>#015#012      <gml:Point gml:

id="point1" srsName="epsg:4346">#015#012       <gml:Coordinates>12.32 34.24</gml:Coordinates>#015#012      </gml:P

oint>#015#012     </gml:location>#015#012    </gp:location-info>#015#012    <gp:usage-rules>#015#012     <gp:retran

smission-allowed>no</gp:retransmission-allowed>#015#012     <gp:retention-expiry />#015#012    </gp:usage-rules>#01

5#012   </gp:geopriv>#015#012  </status>#015#012  <timestamp>2016-8-02T04:13:23Z</timestamp>#015#012 </tuple>#015#0

12</presence>#015#012#015#012]

2017-01-05T13:23:23.107376+01:00 ivr01 /usr/local/sbin/opensips[2227]: DBG:core:tr_eval_re: we must compile the

regexp

2017-01-05T13:23:23.107903+01:00 ivr01 /usr/local/sbin/opensips[2227]: DBG:core:subst_parser: ok, se is 0x7f39a

5d0a1f0

2017-01-05T13:23:23.108241+01:00 ivr01 /usr/local/sbin/opensips[2227]: DBG:core:subst_run: running. r=0

2017-01-05T13:23:23.111918+01:00 ivr01 /usr/local/sbin/opensips[2227]: DBG:core:subst_run: matched (404, 45): [

gml:Coordinates>12.32 34.24</gml:Coordinates]

2017-01-05T13:23:23.112380+01:00 ivr01 /usr/local/sbin/opensips[2227]: DBG:core:buf_init: initializing...

2017-01-05T13:23:23.112730+01:00 ivr01 /usr/local/sbin/opensips[2227]: Position is <?xml version="1.0" encoding

="UTF-8"?>#015#012<presence xmlns="urn:ietf:params:xml:ns:pidf" xmlns:gp="urn:ietf:params:xml:ns:pidf:geopriv10" xm

lns:gml="urn:opengis:specification:gml:schema-xsd:feature:v3.0" entity= <mailto:pres:sip:+1234567 at test.com> "pres:sip:+1234567 at test.com">#015#0

12 <tuple id="PDT">#015#012  <status>#015#012   <gp:geopriv>#015#012    <gp:location-info>#015#012     <gml:locatio

n>#015#012      <gml:Point gml:id="point1" srsName="epsg:4346">#015#012       <12.32 34.24>#015#012      </gml:Poi

nt>#015#012     </gml:location>#015#012    </gp:location-info>#015#012    <gp:usage-rules>#015#012     <gp:retransm

ission-allowed>no</gp:retransmission-allowed>#015#012     <gp:retention-expiry />#015#012    </gp:usage-rules>#015#

012   </gp:geopriv>#015#012  </status>#015#012  <timestamp>2016-8-02T04:13:23Z</timestamp>#015#012 </tuple>#015#012

</presence>

 

Thanks

 

From: Bogdan-Andrei Iancu [mailto:bogdan at opensips.org] 
Sent: Donnerstag, 5. Januar 2017 13:12
To: OpenSIPS users mailling list <users at lists.opensips.org <mailto:users at lists.opensips.org> >; xaled <xaled at web.de <mailto:xaled at web.de> >
Subject: Re: [OpenSIPS-Users] How to parse XML Body?

 

Try  $var(reg) = "/gml:Coordinates>(.*)<\/gml:Coordinates/\1/";




 






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