[asterisk-dev] [Code Review] Initial stasis-core message bus

[opticron]

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Ship it!


Other than the race condition I found while working on the stasis/MWI conversion, this looks good to go. Go ahead and incorporate that when you commit.

- opticron


On March 1, 2013, 3:39 p.m., David Lee wrote:
> 
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> (Updated March 1, 2013, 3:39 p.m.)
> 
> 
> Review request for Asterisk Developers, Matt Jordan and kmoore.
> 
> 
> Summary
> -------
> 
> This patch adds a new message bus API to Asterisk.
> 
> For the initial use of this bus, I took some work kmoore did creating
> channel snapshots. So rather than create AMI events directly in the
> channel code, this patch generates Stasis events, which manager.c uses
> to then publish the AMI event.
> 
> This message bus provides a generic publish/subscribe mechanism within
> Asterisk. This message bus is:
> 
>  - Loosely coupled; new message types can be added in seperate modules.
>  - Easy to use; publishing and subscribing are straightforward
>    operations.
>  - Consistent memory management; all message bus objects are AO2
>    managed objects, using ao2_ref() and ao2_cleanup() to manage the
>    reference counting.
> 
> In addition to basic publish/subscribe, the patch also provides a
> mechanisms for message forwarding, and for message caching.
> 
> 
> This addresses bug ASTERISK-20959.
>     https://issues.asterisk.org/jira/browse/ASTERISK-20959
> 
> 
> Diffs
> -----
> 
>   /trunk/include/asterisk/channel.h 382299 
>   /trunk/include/asterisk/channel_internal.h 382299 
>   /trunk/main/asterisk.c 382299 
>   /trunk/main/asterisk.exports.in 382299 
>   /trunk/main/channel.c 382299 
>   /trunk/main/channel_internal_api.c 382299 
>   /trunk/main/manager.c 382299 
>   /trunk/main/pbx.c 382299 
> 
> Diff: https://reviewboard.asterisk.org/r/2339/diff
> 
> 
> Testing
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> 
> Unit tests; manually verified AMI events for a few calls.
> 
> 
> Thanks,
> 
> David
> 
>

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