[asterisk-bugs] [JIRA] (ASTERISK-26718) ARI: Bridge destroying doesn't work as expected

[Joshua Colp (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-26718?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joshua Colp updated ASTERISK-26718:
-----------------------------------

    Status: Open  (was: Triage)

> ARI: Bridge destroying doesn't work as expected
> -----------------------------------------------
>
>                 Key: ASTERISK-26718
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26718
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_ari, Resources/res_stasis
>    Affects Versions: 14.2.1
>         Environment: Debian 8
>            Reporter: Marin Odrljin
>            Assignee: Unassigned
>         Attachments: ari_log_26718.txt, debug_log_26718.txt
>
>
> There is an unexpected behavior when destroying a bridge from ARI. My scenario is following:
> 1. IN call comes to stasis app
> 2. app creates bridge and adds channel to it
> 3. app creates new OUT channel for dialing and adds it to the same bridge
> 4. app dials on out channel
> 5. when one of the channels disconnects, app tries to destroy a bridge. After that, following events are received from asterisk:
> 	- 'ChannelLeftBridge' for IN channel
> 	- 'ChannelLeftBridge' for OUT channel
> 6. app hangup other channel
> The problem is that 'BridgeDestroyed' event never comes. In version 13, as I recall, this event was sometimes fired, sometimes not, but bridge was in most cases or always destroyed. But in v 14, bridge is not really destroyed, it is still listed with ari/bridges request. E.g. response is following:
> {
>   "video_mode": "talker",
>   "name": "CONF-1484303820.435",
>   "id": "C-1-40",
>   "bridge_class": "stasis",
>   "technology": "simple_bridge",
>   "bridge_type": "mixing",
>   "creator": "Stasis",
>   "channels": []
> }
> As you can see, creator is Stasis, and there are no channels inside. Looks
> like that bridge is not properly destroyed on delete http command and it
> will hang forever in asterisk. Good thing is that app can later again create
> bridge with the same ID, so this problem is not fatal, but it's not nice to
> see a lot of 'hanging' unused bridges.
> > What happens if you remove each channel from the bridge, hang them up, and then destroy the bridge? Does that work as expected?
> > Joshua Colp
> I just tried it and everything seems to be fine if channels are removed from
> bridge before it is destroyed. Strange thing is that destroying is also
> proper if both channels are still in and connected, but if one disconnects
> and destroying is made with other channel still in the bridge, then channel
> is properly removed but bridge is not deleted. Theoretically my app could
> remove other channel before destroying a bridge, but this seems to me
> unnecessary since destroying of the bridge is doing it, and I'm then just
> adding additional logic without a reason. Do you agree?
> > It is a reasonable expectation that destroying the bridge in this state
> should result in the behavior you expect. Please file an issue[1].
> > Joshua Colp
> And here it is...



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