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Named call pickup groups. Fixes, missing functionality, and improvements.

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* ASTERISK-20383
Missing named call pickup group features:

CHANNEL(callgroup) - Need CHANNEL(namedcallgroup)
CHANNEL(pickupgroup) - Need CHANNEL(namedpickupgroup)
Pickup() - Needs to also select from named pickup groups.

* ASTERISK-20384
Using the pickupexten, the pickup channel selection could fail even though
there was a call it could have picked up.  In a call pickup race when
there are multiple calls to pickup and two extensions try to pickup a
call, it is conceivable that the loser will not pick up any call even
though it could have picked up the next oldest matching call.

Regression because of the named call pickup group feature.

* See ASTERISK-20386 for the implementation improvements.  These are the
changes in channel.c and channel.h.

* Fixed some locking issues in CHANNEL().

(closes issue ASTERISK-20383)
Reported by: rmudgett
(closes issue ASTERISK-20384)
Reported by: rmudgett
(closes issue ASTERISK-20386)
Reported by: rmudgett
Tested by: rmudgett

Review: https://reviewboard.asterisk.org/r/2112/
........

Merged revisions 373220 from http://svn.asterisk.org/svn/asterisk/branches/11


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@373221 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Richard Mudgett
2012-09-20 17:22:41 +00:00
parent afa6b8f320
commit da5944fc56
6 changed files with 206 additions and 150 deletions
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10
include/asterisk/features.h
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@@ -183,6 +183,16 @@ int ast_bridge_call(struct ast_channel *chan, struct ast_channel *peer,struct as
*/
int ast_can_pickup(struct ast_channel *chan);
/*!
* \brief Find a pickup channel target by group.
*
* \param chan channel that initiated pickup.
*
* \retval target on success. The returned channel is locked and reffed.
* \retval NULL on error.
*/
struct ast_channel *ast_pickup_find_by_group(struct ast_channel *chan);
/*! \brief Pickup a call */
int ast_pickup_call(struct ast_channel *chan);