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

[rmudgett]

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Ship it!


With the suggested change, I think this would be ready to go.


trunk/channels/chan_sip.c
<https://reviewboard.asterisk.org/r/1185/#comment7219>

    Although this does not seem to be a problem, a channel reference should be given to sip_pickup_thread() to guarantee that the channel won't go away.


- rmudgett


On 2011-05-11 19:25:03, Alec Davis wrote:
> 
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> https://reviewboard.asterisk.org/r/1185/
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> (Updated 2011-05-11 19:25:03)
> 
> 
> Review request for Asterisk Developers.
> 
> 
> Summary
> -------
> 
> 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
> -----
> 
>   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
> -------
> 
> 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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