[asterisk-dev] [Code Review] Fixing the regression from wrong set route information on provisional sip responses

Mark Michelson reviewboard at asterisk.org
Thu Feb 16 10:33:02 CST 2012


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This is definitely the correct approach to take. Don't make the route persistent when building a route set from a provisional response. I have an alternative implementation in my head though. Instead of telling the build_route() function whether to make the route set persistent, just have build_route() automatically do it if the passed-in request is a SIP provisional response. That way, people can't make the mistake of using the wrong value for the persistent parameter. The correct behavior will happen every time.

- Mark


On Feb. 16, 2012, 8:20 a.m., schmidts wrote:
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> (Updated Feb. 16, 2012, 8:20 a.m.)
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> Review request for Asterisk Developers and wdoekes.
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> Summary
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> by adding the parse_ok_header and build_route for provisional responses to invite. I had caused a regression that asterisk stores a wrong route set from this provisional packets. With this change a route set from a provisionial response will not be stored persistant and will be replaced with the route information from a 200 ok packet.
> see bug ASTERISK-19358 for more information and sip traces.
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> This addresses bug ASTERISK-19358.
>     https://issues.asterisk.org/jira/browse/ASTERISK-19358
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> Diffs
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>   branches/1.8/channels/chan_sip.c 355573 
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> Diff: https://reviewboard.asterisk.org/r/1749/diff
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> Testing
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> tested with the sipp scenario from wdoekes (thank you for this).
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> Thanks,
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> schmidts
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>

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