From ibc@aliax.net Wed Jun 29 09:04:37 2011
From: =?utf-8?q?I=C3=B1aki?= Baz Castillo <ibc@aliax.net>
To: sr-dev@lists.kamailio.org
Subject: [sr-dev] [selecs] @v.branch and others are not exported
Date: Wed, 29 Jun 2011 09:04:31 +0200
Message-ID:
 <CALiegfmKy5voK0zW9oUhdhL2HedYPoFUwjWeWuamAcEE5HczyQ@mail.gmail.com>
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Hi, in devel version (kamailio flavour) I try to print some selects to
the log (using xlog):

  xlog("L_INFO", "request transport = $sel(@v.transport), branch =
$sel(@v.branch)\n");

@v.transport is indeed printed (tcp/udp...) but @v.branch is not,
neither other selects as @v, @v.host and so.

Do I miss something?

-- 
Iñaki Baz Castillo
<ibc(a)aliax.net>


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From jan@ryngle.com Wed Jun 29 18:33:07 2011
From: Jan Janak <jan@ryngle.com>
To: sr-dev@lists.kamailio.org
Subject: Re: [sr-dev] [selecs] @v.branch and others are not exported
Date: Wed, 29 Jun 2011 12:33:00 -0400
Message-ID: <BANLkTinwRCWzf7dcOjepihZ8PGxUyDM0cg@mail.gmail.com>
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 <CALiegfmKy5voK0zW9oUhdhL2HedYPoFUwjWeWuamAcEE5HczyQ@mail.gmail.com>
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So what get's printed when you use @v.branch? Nothing or some garbage?
Could you also check the log to see if there are any error messages
(via parsing perhaps) when you try to use one of the selects that
don't work?

-Jan


On Wed, Jun 29, 2011 at 03:04, Iñaki Baz Castillo <ibc(a)aliax.net> wrote:
> Hi, in devel version (kamailio flavour) I try to print some selects to
> the log (using xlog):
>
>  xlog("L_INFO", "request transport = $sel(@v.transport), branch =
> $sel(@v.branch)\n");
>
> @v.transport is indeed printed (tcp/udp...) but @v.branch is not,
> neither other selects as @v, @v.host and so.
>
> Do I miss something?
>
> --
> Iñaki Baz Castillo
> <ibc(a)aliax.net>
>
> _______________________________________________
> sr-dev mailing list
> sr-dev(a)lists.sip-router.org
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev
>


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From ibc@aliax.net Wed Jun 29 18:44:04 2011
From: =?utf-8?q?I=C3=B1aki?= Baz Castillo <ibc@aliax.net>
To: sr-dev@lists.kamailio.org
Subject: Re: [sr-dev] [selecs] @v.branch and others are not exported
Date: Wed, 29 Jun 2011 18:43:58 +0200
Message-ID:
 <CALiegfn9V6zozdDgw-9nM8btyUpTUPTpA6wudOKOeSSY01i=cg@mail.gmail.com>
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2011/6/29 Jan Janak <jan(a)ryngle.com>:
> So what get's printed when you use @v.branch? Nothing or some garbage?
> Could you also check the log to see if there are any error messages
> (via parsing perhaps) when you try to use one of the selects that
> don't work?

The request is correct (no parsing errors at all):

  DEBUG: <core> [parser/parse_via.c:1287]: Found param type 232,
<branch> = <z9hG4bKaxdawfnv>; state=16

Then when running this xlog:

  xlog("L_INFO", "[$sel(@v.branch)] $rm  from $fu ($fU) to $ru
($sel(@v.transport) $si : $sp)");

I get <null> for $sel(@v.branch):

  DEBUG: <core> [select_core.c:378]: missing VIA[6] header
  DEBUG: <core> [parser/parse_to.c:174]: DEBUG: add_param: tag=wohrg
  DEBUG: <core> [parser/parse_to.c:803]: end of header reached, state=29
  DEBUG: <core> [select.c:424]: Calling SELECT 0x7f5e99bd9890
  INFO: <script>: [<null>] ACK  from sip:test_ibc(a)aliax.net (test_ibc)
to sip:kaka(a)aliax.net (UDP 192.168.1.16 : 15060)


So, what does it mean "[select_core.c:378]: missing VIA[6] header" ?
It's not missing at all. It's an INVITE from Twinkle, 100% correct:

INVITE sip:kaka(a)aliax.net SIP/2.0
Via: SIP/2.0/UDP 192.168.1.16:15060;rport;branch=z9hG4bKfzqlmkkf
Max-Forwards: 70
To: <sip:kaka(a)aliax.net>
From: "OverSIP" <sip:test_ibc(a)aliax.net>;tag=hkrmz
Call-ID: soilztpqcxyvhfr(a)ibc-laptop
CSeq: 986 INVITE
Contact: <sip:test_ibc(a)192.168.1.16:15060;transport=udp>
Content-Type: application/sdp
Allow: INVITE,ACK,BYE,CANCEL,OPTIONS,PRACK,REFER,NOTIFY,SUBSCRIBE,INFO,MESSAGE
Supported: replaces,norefersub,100rel
User-Agent: Twinkle/1.4.2
Content-Length: 309

[...]



Also note that $sel(@v.transport) is correctly printed.

-- 
Iñaki Baz Castillo
<ibc(a)aliax.net>


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From ibc@aliax.net Wed Jun 29 18:49:35 2011
From: =?utf-8?q?I=C3=B1aki?= Baz Castillo <ibc@aliax.net>
To: sr-dev@lists.kamailio.org
Subject: Re: [sr-dev] [selecs] @v.branch and others are not exported
Date: Wed, 29 Jun 2011 18:49:29 +0200
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 <CALiegfka-NGay=HWViSpaEx_bnsusvPC1efAo+9Q0Htr86ixwA@mail.gmail.com>
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2011/6/29 Iñaki Baz Castillo <ibc(a)aliax.net>:
> So, what does it mean "[select_core.c:378]: missing VIA[6] header" ?

Interesting: If I write:

  xlog("L_INFO", "[$sel(@v[1].branch)] $rm  from $fu ($fU) to $ru
($sel(@v[1].transport) $si : $sp)");

Then it works (no warning about missing Via[6] header).

So:

- $sel(@v.transport  works ok (retrieves transport of first Via).
- $sel(@v[1].transport  works ok (same).
- $sel(@v.branch does not work (it says "[select_core.c:378]: missing
Via[6] header").
- $sel(@v[1].branch works ok (retrieves branch of first Via).


It's clearly a bug, am I wrong?



-- 
Iñaki Baz Castillo
<ibc(a)aliax.net>


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