[asterisk-bugs] [JIRA] (ASTERISK-28877) Duplicate RINGING DeviceStateChange AMI events from chan_sip.c
Joshua C. Colp (JIRA)
noreply at issues.asterisk.org
Fri May 8 03:48:25 CDT 2020
[ https://issues.asterisk.org/jira/browse/ASTERISK-28877?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Joshua C. Colp updated ASTERISK-28877:
--------------------------------------
Severity: Minor (was: Major)
> Duplicate RINGING DeviceStateChange AMI events from chan_sip.c
> --------------------------------------------------------------
>
> Key: ASTERISK-28877
> URL: https://issues.asterisk.org/jira/browse/ASTERISK-28877
> Project: Asterisk
> Issue Type: Bug
> Security Level: None
> Components: Channels/chan_sip/General
> Affects Versions: 13.33.0, 16.10.0
> Environment: Vanilla Asterisk (no FreePBX et al) on Gentoo on QEMU KVM
> Reporter: Troy Bowman
> Severity: Minor
>
> I have an AMI event listener that logs additional events to my queue_log to help me tie in agent device availability into my queue reports.
> Whenever I have tried to upgrade Asterisk to a later version, My AMI event listener would log DeviceStateChange events twice whenever the device would ring. I have been stuck on Asterisk 13.13 for years because I could not understand why RINGING would be duplicated, but other DeviceStateChange events were fine.
> Today, I finally tracked it down to Gerrit change id I547a458fc59721c918cb48be060cbfc3c88bcf9c and ASTERISK-24488. It seems to me that this was a hack of sorts to get the RINGING Device State Change event through to the newer (at the time) Stasis Message Bus code because of some kind of race condition.
> I realize that I should migrate to chan_pjsip, but I am still not ready to do that in production yet. I fear that since chan_sip is EoL, no one will care about this, but I am reporting it anyway. For now, I am simply commenting out those lines of code that duplicate the event.
> If it is intended that the same AMI events should be sent multiple times, then I guess I'll have to write code that somehow debounces events on my side. It is my opinion that the AMI events should only be sent once per event.
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