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This is an automatically generated e-mail. To reply, visit:
https://reviewboard.asterisk.org/r/3207/
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(Updated Feb. 10, 2014, 10:16 p.m.)


Review request for Asterisk Developers, Joshua Colp and Olle E Johansson.


Repository: Asterisk


Description
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This patch adds the following:
(1) A new module, res_hep, which implements a generic packet capture agent for 
the Homer Encapsulation Protocol (HEP) version 3. Note that this code is 
heavily based on a patch provided by Alexandr Dubovikov; I basically just 
wrapped it up, added configuration via the configuration framework, and threw 
in a taskprocessor.
(2) A new module, res_hep_pjsip, which performs packet capturing for the PJSIP 
SIP stack. This is one of those modules that I think really showcases how nice 
the new stack is - we're able to add a new module that inserts itself into the 
stack and forwards the message traffic off to the res_hep module without 
modifying the core parts of the stack itself. This means a system administrator 
could load this at will on certain Asterisk systems and - if the capturing 
isn't needed - unload it and keep the stack 'slim'.

A few notes:

* This code exists in the following branch:
  http://svn.asterisk.org/svn/asterisk/team/mjordan/12-hep
* The code in the branch also contains a module for RTCP. While that actually 
*does* send RTCP information over HEP, it does so as a JSON blob, which is not 
super useful. It's an open question as to what the formatting should be, i.e., 
a SNOM-esque encoding, RFC 6035, etc. I'm open to suggestions on this, which is 
why I deferred that functionality for a later review.
* Much thanks to Alexandr for his Asterisk patch for this code and for a *lot* 
of patience waiting for me to port it to 12/trunk. Due to some dithering on my 
part, this has taken the better part of a year to port forward (I still blame 
CDRs for the delay).


Diffs
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  /branches/12/res/res_hep_pjsip.c PRE-CREATION 
  /branches/12/res/res_hep.exports.in PRE-CREATION 
  /branches/12/res/res_hep.c PRE-CREATION 
  /branches/12/include/asterisk/res_hep.h PRE-CREATION 
  /branches/12/CHANGES 407945 

Diff: https://reviewboard.asterisk.org/r/3207/diff/


Testing
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An automated test that emulates a SIP capture server was written and is up for 
review here: https://reviewboard.asterisk.org/r/3206

This admittedly needs some *real* testing, as I have yet to stand up Kamailio 
with HEP. I think the code is far enough along to get some eyes on it however.


Thanks,

Matt Jordan

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