From igorolhovskiy@gmail.com Thu Feb 10 16:01:23 2022
From: Igor Olhovskiy <igorolhovskiy@gmail.com>
To: sr-users@lists.kamailio.org
Subject: [SR-Users] Publish XML and xpath
Date: Thu, 10 Feb 2022 16:01:17 +0100
Message-ID: <266e84de-3069-12bd-e472-8e12edf460cd@gmail.com>
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="===============0185107682=="

--===============0185107682==
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: quoted-printable

Hello,

I'm trying to get state of endpoint from PUBLISH message in a most=20
simple way using xmlops module

Trying to make this

$xml(body=3D>doc) =3D $rb;
log("L_ERR", "$rU is now in state $xml(body=3D>xpath:/dialog-info/dialog/stat=
e)\n");

XML in PUBLISH itself

<?xml version=3D"1.0"?>
<dialog-info xmlns=3D"urn:ietf:params:xml:ns:dialog-info" version=3D"0" state=
=3D"full" entity=3D"sip:88881(a)dev.company">
 =C2=A0 <dialog id=3D"v6qmEYf5yI" direction=3D"initiator">
 =C2=A0=C2=A0=C2=A0 <state>confirmed</state>
 =C2=A0 </dialog>
</dialog-info>


Actual text in log is

... <script>: 88881 is now in state

Means it's empty. xmlops module is loaded with no parameters. Tried also=20
string

$xml(body=3D>xpath:/dialog-info/dialog/state/text())

-> same result

What am I missing here?

kamailio 5.4.6

--=20
Thanks in advance,
Igor



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From igorolhovskiy@gmail.com Thu Feb 10 16:25:37 2022
From: Igor Olhovskiy <igorolhovskiy@gmail.com>
To: sr-users@lists.kamailio.org
Subject: Re: [SR-Users] Publish XML and xpath
Date: Thu, 10 Feb 2022 16:25:32 +0100
Message-ID: <12dc4e05-90a4-b597-acdd-11347066218b@gmail.com>
In-Reply-To: <266e84de-3069-12bd-e472-8e12edf460cd@gmail.com>
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="===============1098518348=="

--===============1098518348==
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: quoted-printable

Hello

Just to add, when I'm trying to dump $rb to logs, I'm getting this line

<?xml version=3D"1.0"?>#012<dialog-info xmlns=3D"urn:ietf:params:xml:ns:dialo=
g-info" version=3D"0" state=3D"full" entity=3D"sip:88881(a)dev.company">#012=
=C2=A0 <dialog id=3D"f-XGMVyeO0" direction=3D"recipient">#012=C2=A0=C2=A0=C2=
=A0 <state>terminated</state>#012=C2=A0 </dialog>#012</dialog-info>

So, I expect problem is in this #012 + extra spaces. Is there a way to=20
clean it up in an easy way?

Regards,
Igor

Le 10.02.2022 =C3=A0 16:01, Igor Olhovskiy a =C3=A9crit=C2=A0:
>
> Hello,
>
> I'm trying to get state of endpoint from PUBLISH message in a most=20
> simple way using xmlops module
>
> Trying to make this
>
> $xml(body=3D>doc) =3D $rb;
> log("L_ERR", "$rU is now in state $xml(body=3D>xpath:/dialog-info/dialog/st=
ate)\n");
>
> XML in PUBLISH itself
>
> <?xml version=3D"1.0"?>
> <dialog-info xmlns=3D"urn:ietf:params:xml:ns:dialog-info" version=3D"0" sta=
te=3D"full" entity=3D"sip:88881(a)dev.company">
>  =C2=A0 <dialog id=3D"v6qmEYf5yI" direction=3D"initiator">
>  =C2=A0=C2=A0=C2=A0 <state>confirmed</state>
>  =C2=A0 </dialog>
> </dialog-info>
>
>
> Actual text in log is
>
> ... <script>: 88881 is now in state
>
> Means it's empty. xmlops module is loaded with no parameters. Tried=20
> also string
>
> $xml(body=3D>xpath:/dialog-info/dialog/state/text())
>
> -> same result
>
> What am I missing here?
>
> kamailio 5.4.6
>
> --=20
> Thanks in advance,
> Igor



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From miconda@gmail.com Thu Feb 10 16:53:02 2022
From: Daniel-Constantin Mierla <miconda@gmail.com>
To: sr-users@lists.kamailio.org
Subject: Re: [SR-Users] Publish XML and xpath
Date: Thu, 10 Feb 2022 16:52:56 +0100
Message-ID: <c05b17d4-6630-4606-a057-e376b195f7db@gmail.com>
In-Reply-To: <12dc4e05-90a4-b597-acdd-11347066218b@gmail.com>
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="===============0516436872=="

--===============0516436872==
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: quoted-printable

Hello,

actually the problem is the mess SIMPLE RFC authors made with XML
namespaces, by not setting and not using a prefix for them, otherwise
the #012 is end-of-line printed by syslog as octal character.

The solutions:

1) replace "xmlns=3D" with something else like "xyzwq=3D":

$xml(body=3D>doc) =3D $(rb{s.replace,xmlns=3D,xyzwq=3D})

and use xpath without concerning of xml namespaces prefix.

2) register a prefix for the namespace using xml_ns parameter from
xmlops module and use that prefix in xpath expressions.

See a past discussion on the mailing list:

=C2=A0=C2=A0 - https://lists.kamailio.org/pipermail/sr-users/2010-December/06=
6690.html

Cheers,
Daniel

On 10.02.22 16:25, Igor Olhovskiy wrote:
>
> Hello
>
> Just to add, when I'm trying to dump $rb to logs, I'm getting this line
>
> <?xml version=3D"1.0"?>#012<dialog-info xmlns=3D"urn:ietf:params:xml:ns:dia=
log-info" version=3D"0" state=3D"full" entity=3D"sip:88881(a)dev.company">#01=
2=C2=A0 <dialog id=3D"f-XGMVyeO0" direction=3D"recipient">#012=C2=A0=C2=A0=C2=
=A0 <state>terminated</state>#012=C2=A0 </dialog>#012</dialog-info>
>
> So, I expect problem is in this #012 + extra spaces. Is there a way to
> clean it up in an easy way?
>
> Regards,
> Igor
> Le 10.02.2022 =C3=A0 16:01, Igor Olhovskiy a =C3=A9crit=C2=A0:
>>
>> Hello,
>>
>> I'm trying to get state of endpoint from PUBLISH message in a most
>> simple way using xmlops module
>>
>> Trying to make this
>>
>> $xml(body=3D>doc) =3D $rb;
>> log("L_ERR", "$rU is now in state $xml(body=3D>xpath:/dialog-info/dialog/s=
tate)\n");
>>
>> XML in PUBLISH itself
>>
>> <?xml version=3D"1.0"?>
>> <dialog-info xmlns=3D"urn:ietf:params:xml:ns:dialog-info" version=3D"0" st=
ate=3D"full" entity=3D"sip:88881(a)dev.company">
>> =C2=A0 <dialog id=3D"v6qmEYf5yI" direction=3D"initiator">
>> =C2=A0=C2=A0=C2=A0 <state>confirmed</state>
>> =C2=A0 </dialog>
>> </dialog-info>
>>
>>
>> Actual text in log is
>>
>> ... <script>: 88881 is now in state
>>
>> Means it's empty. xmlops module is loaded with no parameters. Tried
>> also string
>>
>> $xml(body=3D>xpath:/dialog-info/dialog/state/text())
>>
>> -> same result
>>
>> What am I missing here?
>>
>> kamailio 5.4.6
>>
>> --=20
>> Thanks in advance,
>> Igor
>
> __________________________________________________________
> Kamailio - Users Mailing List - Non Commercial Discussions
>   * sr-users(a)lists.kamailio.org
> Important: keep the mailing list in the recipients, do not reply only to th=
e sender!
> Edit mailing list options or unsubscribe:
>   * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users

--=20
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio Advanced Training - Online
  Feb 21-24, 2022 (America Timezone)
  * https://www.asipto.com/sw/kamailio-advanced-training-online/



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From igorolhovskiy@gmail.com Thu Feb 10 16:53:27 2022
From: Igor Olhovskiy <igorolhovskiy@gmail.com>
To: sr-users@lists.kamailio.org
Subject: Re: [SR-Users] Publish XML and xpath
Date: Thu, 10 Feb 2022 16:53:22 +0100
Message-ID: <7bdc4bc5-1d1f-faaa-2ee8-0ac6ea2e0ebe@gmail.com>
In-Reply-To: <12dc4e05-90a4-b597-acdd-11347066218b@gmail.com>
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="===============2091917964=="

--===============2091917964==
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Hello,

Seems, there is a need to specify xmlns forcefully

As it's working when I do

$var(body) =3D $(rb{s.rm,xmlns=3D"urn:ietf:params:xml:ns:dialog-info"});

So, I do need or to specify namespace or to remove this line from XML.=20
But if someone can comment on this (cause XML is a world on it's own)=20
I'd be really grateful.

Regards,
Igor

Le 10.02.2022 =C3=A0 16:25, Igor Olhovskiy a =C3=A9crit=C2=A0:
>
> Hello
>
> Just to add, when I'm trying to dump $rb to logs, I'm getting this line
>
> <?xml version=3D"1.0"?>#012<dialog-info xmlns=3D"urn:ietf:params:xml:ns:dia=
log-info" version=3D"0" state=3D"full" entity=3D"sip:88881(a)dev.company">#01=
2=C2=A0 <dialog id=3D"f-XGMVyeO0" direction=3D"recipient">#012=C2=A0=C2=A0=C2=
=A0 <state>terminated</state>#012=C2=A0 </dialog>#012</dialog-info>
>
> So, I expect problem is in this #012 + extra spaces. Is there a way to=20
> clean it up in an easy way?
>
> Regards,
> Igor
> Le 10.02.2022 =C3=A0 16:01, Igor Olhovskiy a =C3=A9crit=C2=A0:
>>
>> Hello,
>>
>> I'm trying to get state of endpoint from PUBLISH message in a most=20
>> simple way using xmlops module
>>
>> Trying to make this
>>
>> $xml(body=3D>doc) =3D $rb;
>> log("L_ERR", "$rU is now in state $xml(body=3D>xpath:/dialog-info/dialog/s=
tate)\n");
>>
>> XML in PUBLISH itself
>>
>> <?xml version=3D"1.0"?>
>> <dialog-info xmlns=3D"urn:ietf:params:xml:ns:dialog-info" version=3D"0" st=
ate=3D"full" entity=3D"sip:88881(a)dev.company">
>>  =C2=A0 <dialog id=3D"v6qmEYf5yI" direction=3D"initiator">
>>  =C2=A0=C2=A0=C2=A0 <state>confirmed</state>
>>  =C2=A0 </dialog>
>> </dialog-info>
>>
>>
>> Actual text in log is
>>
>> ... <script>: 88881 is now in state
>>
>> Means it's empty. xmlops module is loaded with no parameters. Tried=20
>> also string
>>
>> $xml(body=3D>xpath:/dialog-info/dialog/state/text())
>>
>> -> same result
>>
>> What am I missing here?
>>
>> kamailio 5.4.6
>>
>> --=20
>> Thanks in advance,
>> Igor



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From igorolhovskiy@gmail.com Thu Feb 10 17:07:32 2022
From: Igor Olhovskiy <igorolhovskiy@gmail.com>
To: sr-users@lists.kamailio.org
Subject: Re: [SR-Users] Publish XML and xpath
Date: Thu, 10 Feb 2022 17:07:26 +0100
Message-ID: <c7984bf5-a829-cd08-0296-59d56e74df21@gmail.com>
In-Reply-To: <c05b17d4-6630-4606-a057-e376b195f7db@gmail.com>
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="===============0459759661=="

--===============0459759661==
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: quoted-printable

Daniel,

Many thanks!

Your "replace" solution looks more elegant than just remove the whole=20
string.

Regards,
Igor

Le 10.02.2022 =C3=A0 16:52, Daniel-Constantin Mierla a =C3=A9crit=C2=A0:
>
> Hello,
>
> actually the problem is the mess SIMPLE RFC authors made with XML=20
> namespaces, by not setting and not using a prefix for them, otherwise=20
> the #012 is end-of-line printed by syslog as octal character.
>
> The solutions:
>
> 1) replace "xmlns=3D" with something else like "xyzwq=3D":
>
> $xml(body=3D>doc) =3D $(rb{s.replace,xmlns=3D,xyzwq=3D})
>
> and use xpath without concerning of xml namespaces prefix.
>
> 2) register a prefix for the namespace using xml_ns parameter from=20
> xmlops module and use that prefix in xpath expressions.
>
> See a past discussion on the mailing list:
>
> =C2=A0=C2=A0 -=20
> https://lists.kamailio.org/pipermail/sr-users/2010-December/066690.html
>
> Cheers,
> Daniel
>
> On 10.02.22 16:25, Igor Olhovskiy wrote:
>>
>> Hello
>>
>> Just to add, when I'm trying to dump $rb to logs, I'm getting this line
>>
>> <?xml version=3D"1.0"?>#012<dialog-info xmlns=3D"urn:ietf:params:xml:ns:di=
alog-info" version=3D"0" state=3D"full" entity=3D"sip:88881(a)dev.company">#0=
12=C2=A0 <dialog id=3D"f-XGMVyeO0" direction=3D"recipient">#012=C2=A0=C2=A0=
=C2=A0 <state>terminated</state>#012=C2=A0 </dialog>#012</dialog-info>
>>
>> So, I expect problem is in this #012 + extra spaces. Is there a way=20
>> to clean it up in an easy way?
>>
>> Regards,
>> Igor
>> Le 10.02.2022 =C3=A0 16:01, Igor Olhovskiy a =C3=A9crit=C2=A0:
>>>
>>> Hello,
>>>
>>> I'm trying to get state of endpoint from PUBLISH message in a most=20
>>> simple way using xmlops module
>>>
>>> Trying to make this
>>>
>>> $xml(body=3D>doc) =3D $rb;
>>> log("L_ERR", "$rU is now in state $xml(body=3D>xpath:/dialog-info/dialog/=
state)\n");
>>>
>>> XML in PUBLISH itself
>>>
>>> <?xml version=3D"1.0"?>
>>> <dialog-info xmlns=3D"urn:ietf:params:xml:ns:dialog-info" version=3D"0" s=
tate=3D"full" entity=3D"sip:88881(a)dev.company">
>>>  =C2=A0 <dialog id=3D"v6qmEYf5yI" direction=3D"initiator">
>>>  =C2=A0=C2=A0=C2=A0 <state>confirmed</state>
>>>  =C2=A0 </dialog>
>>> </dialog-info>
>>>
>>>
>>> Actual text in log is
>>>
>>> ... <script>: 88881 is now in state
>>>
>>> Means it's empty. xmlops module is loaded with no parameters. Tried=20
>>> also string
>>>
>>> $xml(body=3D>xpath:/dialog-info/dialog/state/text())
>>>
>>> -> same result
>>>
>>> What am I missing here?
>>>
>>> kamailio 5.4.6
>>>
>>> --=20
>>> Thanks in advance,
>>> Igor
>>
>> __________________________________________________________
>> Kamailio - Users Mailing List - Non Commercial Discussions
>>    *sr-users(a)lists.kamailio.org
>> Important: keep the mailing list in the recipients, do not reply only to t=
he sender!
>> Edit mailing list options or unsubscribe:
>>    *https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
> --=20
> Daniel-Constantin Mierla --www.asipto.com
> www.twitter.com/miconda  --www.linkedin.com/in/miconda
> Kamailio Advanced Training - Online
>    Feb 21-24, 2022 (America Timezone)
>    *https://www.asipto.com/sw/kamailio-advanced-training-online/



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--===============0459759661==--


From miconda@gmail.com Thu Feb 10 20:41:36 2022
From: Daniel-Constantin Mierla <miconda@gmail.com>
To: sr-users@lists.kamailio.org
Subject: Re: [SR-Users] Publish XML and xpath
Date: Thu, 10 Feb 2022 20:41:30 +0100
Message-ID: <069a96e5-3669-35da-299b-febfad3391c9@gmail.com>
In-Reply-To: <c05b17d4-6630-4606-a057-e376b195f7db@gmail.com>
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="===============0461891766=="

--===============0461891766==
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: quoted-printable

For sake of correctness, as I tried to figure out again searching the
web what the actual issue, the conflict seems to be with XPATH
specifications that don't define default xmlns scope, they have NULL
scope for no-prefix tags which is not the same as the default xmlns. Not
100% sure, as I didn't want to waste to much time, but looks more like
this one.

Cheers,
Daniel

On 10.02.22 16:52, Daniel-Constantin Mierla wrote:
>
> Hello,
>
> actually the problem is the mess SIMPLE RFC authors made with XML
> namespaces, by not setting and not using a prefix for them, otherwise
> the #012 is end-of-line printed by syslog as octal character.
>
> The solutions:
>
> 1) replace "xmlns=3D" with something else like "xyzwq=3D":
>
> $xml(body=3D>doc) =3D $(rb{s.replace,xmlns=3D,xyzwq=3D})
>
> and use xpath without concerning of xml namespaces prefix.
>
> 2) register a prefix for the namespace using xml_ns parameter from
> xmlops module and use that prefix in xpath expressions.
>
> See a past discussion on the mailing list:
>
> =C2=A0=C2=A0 -
> https://lists.kamailio.org/pipermail/sr-users/2010-December/066690.html
>
> Cheers,
> Daniel
>
> On 10.02.22 16:25, Igor Olhovskiy wrote:
>>
>> Hello
>>
>> Just to add, when I'm trying to dump $rb to logs, I'm getting this line
>>
>> <?xml version=3D"1.0"?>#012<dialog-info xmlns=3D"urn:ietf:params:xml:ns:di=
alog-info" version=3D"0" state=3D"full" entity=3D"sip:88881(a)dev.company">#0=
12=C2=A0 <dialog id=3D"f-XGMVyeO0" direction=3D"recipient">#012=C2=A0=C2=A0=
=C2=A0 <state>terminated</state>#012=C2=A0 </dialog>#012</dialog-info>
>>
>> So, I expect problem is in this #012 + extra spaces. Is there a way
>> to clean it up in an easy way?
>>
>> Regards,
>> Igor
>> Le 10.02.2022 =C3=A0 16:01, Igor Olhovskiy a =C3=A9crit=C2=A0:
>>>
>>> Hello,
>>>
>>> I'm trying to get state of endpoint from PUBLISH message in a most
>>> simple way using xmlops module
>>>
>>> Trying to make this
>>>
>>> $xml(body=3D>doc) =3D $rb;
>>> log("L_ERR", "$rU is now in state $xml(body=3D>xpath:/dialog-info/dialog/=
state)\n");
>>>
>>> XML in PUBLISH itself
>>>
>>> <?xml version=3D"1.0"?>
>>> <dialog-info xmlns=3D"urn:ietf:params:xml:ns:dialog-info" version=3D"0" s=
tate=3D"full" entity=3D"sip:88881(a)dev.company">
>>> =C2=A0 <dialog id=3D"v6qmEYf5yI" direction=3D"initiator">
>>> =C2=A0=C2=A0=C2=A0 <state>confirmed</state>
>>> =C2=A0 </dialog>
>>> </dialog-info>
>>>
>>>
>>> Actual text in log is
>>>
>>> ... <script>: 88881 is now in state
>>>
>>> Means it's empty. xmlops module is loaded with no parameters. Tried
>>> also string
>>>
>>> $xml(body=3D>xpath:/dialog-info/dialog/state/text())
>>>
>>> -> same result
>>>
>>> What am I missing here?
>>>
>>> kamailio 5.4.6
>>>
>>> --=20
>>> Thanks in advance,
>>> Igor
>>
>> __________________________________________________________
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> --=20
> Daniel-Constantin Mierla -- www.asipto.com
> www.twitter.com/miconda -- www.linkedin.com/in/miconda
> Kamailio Advanced Training - Online
>   Feb 21-24, 2022 (America Timezone)
>   * https://www.asipto.com/sw/kamailio-advanced-training-online/

--=20
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio Advanced Training - Online
  Feb 21-24, 2022 (America Timezone)
  * https://www.asipto.com/sw/kamailio-advanced-training-online/



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