[Asterisk-code-review] ACN: Changes specific to the core (asterisk[master])

[Joshua Colp]

Joshua Colp has uploaded a new patch set (#3) to the change originally created by George Joseph. ( https://gerrit.asterisk.org/c/asterisk/+/14688 )

Change subject: ACN: Changes specific to the core
......................................................................

ACN: Changes specific to the core

Allow passing a topology from the called channel back to the
calling channel.

 * Added a new function ast_queue_answer() that accepts a stream
   topology and queues an ANSWER CONTROL frame with it as the
   data.  This allows the called channel to indicate its resolved
   topology.

 * Added a new virtual function to the channel tech structure
   answer_with_stream_topology() that allows the calling channel
   to receive the called channel's topology.  Added
   ast_raw_answer_with_stream_topology() that invokes that virtual
   function.

 * Modified app_dial.c and features.c to grab the topology from the
   ANSWER frame queued by the answering channel and send it to
   the calling channel with ast_raw_answer_with_stream_topology().

 * Modified frame.c to automatically cleanup the reference
   to the topology on ANSWER frames.

Added a few debugging messages to stream.c.

Change-Id: I0115d2ed68d6bae0f87e85abcf16c771bdaf992c
---
M apps/app_dial.c
M include/asterisk/channel.h
M include/asterisk/frame.h
M main/channel.c
M main/features.c
M main/frame.c
M main/stream.c
7 files changed, 155 insertions(+), 10 deletions(-)


  git pull ssh://gerrit.asterisk.org:29418/asterisk refs/changes/88/14688/3
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Gerrit-Project: asterisk
Gerrit-Branch: master
Gerrit-Change-Id: I0115d2ed68d6bae0f87e85abcf16c771bdaf992c
Gerrit-Change-Number: 14688
Gerrit-PatchSet: 3
Gerrit-Owner: George Joseph <gjoseph at digium.com>
Gerrit-Reviewer: Friendly Automation
Gerrit-Reviewer: Joshua Colp <jcolp at sangoma.com>
Gerrit-Reviewer: Kevin Harwell <kharwell at digium.com>
Gerrit-CC: Richard Mudgett <rmudgett at digium.com>
Gerrit-MessageType: newpatchset
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