[asterisk-dev] [Code Review] The channel redirect function (CLI or AMI) hangs up the call instead of redirecting the call.

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/branches/1.8/main/channel.c
<https://reviewboard.asterisk.org/r/1013/#comment6165>

    Instead of creating a new control frame type for this exception, could we only queue the AST_CONTROL_HANGUP frame when softhangup is set to something that will actually result in a hangup.   Otherwise the if hangup is only equal to ASYNC_GOTO or UNBRIDGE we return NULL until those flags get cleared or a real hangup occurs.


- David


On 2010-11-16 16:32:25, rmudgett wrote:
> 
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> 
> (Updated 2010-11-16 16:32:25)
> 
> 
> Review request for Asterisk Developers, Russell Bryant, Terry Wilson, and David Vossel.
> 
> 
> Summary
> -------
> 
> To recreate the problem:
> 1) Party A calls Party B
> 2) Invoke CLI "channel redirect" command to redirect channel call leg associated with A.
> 3) All associated channels are hung up.
> 
> Note that if the CLI command were done on the channel call leg associated with B it works.
> 
> This regression was a result of the fix for issue 16946 (https://reviewboard.asterisk.org/r/740/).
> 
> The regression affects all features that use an async goto to execute the dialplan because of an external event: Channel redirect, AMI redirect, SIP REFER, FAX detection.
> 
> The struct ast_channel._softhangup code is a mess.  The variable is used for several purposes that do not necessarily result in the call being hung up.  I have added doxygen comments to describe how the various _softhangup bits are used.  I have corrected all the places where the variable was tested in a non-bit oriented manner.  
> 
> 
> This addresses bugs 18171, 18185, 18192, 18211, and 18230.
>     https://issues.asterisk.org/view.php?id=18171
>     https://issues.asterisk.org/view.php?id=18185
>     https://issues.asterisk.org/view.php?id=18192
>     https://issues.asterisk.org/view.php?id=18211
>     https://issues.asterisk.org/view.php?id=18230
> 
> 
> Diffs
> -----
> 
>   /branches/1.8/apps/app_macro.c 295221 
>   /branches/1.8/include/asterisk/channel.h 295221 
>   /branches/1.8/include/asterisk/frame.h 295221 
>   /branches/1.8/main/channel.c 295221 
>   /branches/1.8/main/pbx.c 295221 
> 
> Diff: https://reviewboard.asterisk.org/r/1013/diff
> 
> 
> Testing
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> 
> The channel redirect command no longer causes the call leg of party A to be hungup.
> 
> 
> Thanks,
> 
> rmudgett
> 
>

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