Get STUN/TURN usage statistics from ejabberdctl

[ghost]

Is your feature request related to a problem? Please describe.
At this time, there is no way to get stats or usage statistics from ejabberdctl about STUN/TURN features.

Describe the solution you'd like
It would be good (I think) that one could retrieve information similar to what one can retrieve with XMPP, on the use of STUN/TURN, with ejabberdctl commands, such as (but not limited to) total/average data relayed, average link duration, per user stats, etc

Describe alternatives you've considered
The only way to do something related is to change the log verbosity to 'info' and grep "Offering STUN/TURN" or "Relayed" to obtain some incomplete infos.

Additional context
I am co-administrator of the chapril.org XMPP server, which is open to the public, and we recently configured the server to support audio/video calls.

Thank you very much,
Regards

[weiss]

Since ejabberd 20.07, you should at least see log lines such as the following (with loglevel: info):

Relayed 110 KiB (in 47665 B / 639 packets, out 64823 B / 681 packets), duration: 10 seconds [UDP, session e42f, user 1724724987:11cd2714a56deffb, client [2001:db8::4]:44875, relay 203.0.113.4:60008]