[asterisk-dev] [Code Review] 3046: framehooks: Re-iterate when frame is changed

[Joshua Colp]

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https://reviewboard.asterisk.org/r/3046/
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(Updated Dec. 13, 2013, 4:28 p.m.)


Review request for Asterisk Developers.


Changes
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I've now tweaked the code so framehooks which have provided new frames will not be called again if another framehook produces a modified frame. This prevents a loop from happening where it could have previously bounced back and forth.


Repository: Asterisk


Description
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Currently when a frame is changed by a frame hook previous hooks aren't aware of it. This can be a problem when a previous hook reacts to the types of frames that a subsequent hook produces. An example of this would be the fax gateway hook and the PJSIP T.38 hook. Since the fax gateway hook injects T.38 control frames after the T.38 hook, nothing happens.

The attached change makes it so if a frame hook produces a different frame the hook iteration loop is restarted, skipping the hook that has produced the frame.


Diffs (updated)
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  /branches/12/main/framehook.c 403747 

Diff: https://reviewboard.asterisk.org/r/3046/diff/


Testing
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Ran fax tests, confirmed fixed.


Thanks,

Joshua Colp

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