[asterisk-dev] [Code Review] Fix directed group pickup feature code *8 with pickupsounds enabled , deadlock and segfault, affects 1.8.0 and trunk

[Alec Davis]

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https://reviewboard.asterisk.org/r/1185/
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(Updated 2011-05-12 16:22:12.023528)


Review request for Asterisk Developers.


Changes
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final changes before commit.
Is the ast_channel_ref/unref correct?


Summary
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Since 1.8, the new pickupsound and pickupfailsound in features.conf cause many issues.

1). chan_sip:handle_request_invite() shouldn't be playing out the fail/success audio, as it has 'netlock' locked.
2). dialplan applications for directed_pickups shouldn't beep.
3). feature code for directed pickup should beep on success/failure if configured.

Moved app_directed:pickup_do() to features:ast_do_pickup().

Functions below, all now use the new ast_do_pickup()
app_directed_pickup.c:
   pickup_by_channel()
   pickup_by_exten()
   pickup_by_mark()
   pickup_by_part()
features.c:
   ast_pickup_call()

Created a sip_pickup() thread to handle the pickup and playout the audio, spawned from handle_request_invite.


This addresses bug 18654.
    https://issues.asterisk.org/view.php?id=18654


Diffs (updated)
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  trunk/apps/app_directed_pickup.c 317665 
  trunk/channels/chan_sip.c 317665 
  trunk/include/asterisk/features.h 317665 
  trunk/main/features.c 317665 

Diff: https://reviewboard.asterisk.org/r/1185/diff


Testing
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pickup using *8 feature code, with pickup sounds enabled/disabled

exten => 71,1,Pickup()           ; any ringing extension in same pickupgroup 
exten => 72,1,Pickup(85 at phones)  ; dahdi extension
exten => 73,1,Pickup(823 at phones) ; sip extension


Thanks,

Alec

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