[asterisk-dev] Lightweight keepalive for websockets?

[Philippe Sultan]

Hi Jeremy,

Another option is just to activate TCP keepalive on your Linux server.
Take a look at :
http://tldp.org/HOWTO/TCP-Keepalive-HOWTO/usingkeepalive.html

This what we use to maintain SIP sessions over TCP that sometimes get
killed by NAT routers.

Hope that helps,

Philippe

2014-02-11 15:58 GMT+01:00 Jeremy Lainé <jeremy.laine at m4x.org>:
> I encountered a situation where a websocket connection was getting
> killed (presumably by the user's router) after ~ 2-3 minutes of inactivity.
>
> To remedy this I looked into the "keepalive" option which was introduced
> in Asterisk 11, as it is both simple and supported by libraries such as
> JsSIP. However, I was unable to get the option to work for websockets,
> and digging into the code, it seems it is not implemented:
> sip_send_keepalive does not seem to have a codepath for sending the
> keepalive over websockets.
>
> Is this by design (and if so, why?) or would you accept a patch to
> support keepalive over websockets?
>
> Cheers,
> Jeremy
>
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-- 
Philippe Sultan