[asterisk-bugs] [JIRA] (ASTERISK-21552) AMI 1.4 Improvements - Refactor AMI/CLI channel inspection actions to use the stasis channel cache

[Matt Jordan (JIRA)]

Matt Jordan created ASTERISK-21552:
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             Summary: AMI 1.4 Improvements - Refactor AMI/CLI channel inspection actions to use the stasis channel cache
                 Key: ASTERISK-21552
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-21552
             Project: Asterisk
          Issue Type: New Feature
          Components: Core/ManagerInterface, Core/Stasis
            Reporter: Matt Jordan


In order to minimize locking and interference with channels, AMI should attempt to use the stasis cache where possible when looking up data on a channel. This includes the following:

h4. manager.c

* GetVar - channel snapshots should contain their channel variables. We can simply look at the snapshot's manager_vars field and return the value from it.
* CoreShowChannels - this should only hit the Stasis channel cache.

h4. cli.c

* core show channels - inspect the channels using the stasis cache
* core show channel. It may be worthwhile to not print out the information that can't be obtained from the cache, simply to minimize the impact of this command.


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