Ok that's interesting, thanks for the info!
So are you saying that I should NOT increase it to 5000ms?
John
On 21 May 2010, at 19:07, Lee Salzman <[email protected]> wrote:
The pinging I mostly put in to monitor the connection health from
round trip times. Normally, reliable packets are getting a round-
trip acknowledgement, which gets used to calculate the throttle. But
if those aren't sent for a while, then the ping is sent instead so
that the throttle can still keep up to date, and also to see if the
connection is still alive. If it helps with firewalls and other
things, then that's an unintended benefit.
Lee
John Wood wrote:
Hi there,
I wanted to know if it's safe to increase ENET_PEER_PING_INTERVAL,
which determines how often a ping is sent
Background: I'm using e-net for reliable data transfer only (no
unreliable packets).
I noticed it's quite "chatty" - sending a ping every 100ms
(ENET_PEER_PING_INTERVAL).
I wanted to reduce this chattiness, as I'm not sure I need it. I'm
guessing that it's chatty a) to act as a keepalive to make routers
keep forwarding packers and/or b) to update info about metrics e.g.
RTT.
So I increased ENET_PEER_PING_INTERVAL to 5000 and it works
perfectly. I even tried 20000 and it still works (though I think
this is too high as we run the danger of aggresive firewall/routers
thinking the "connection" is dead).
My question is this: is there any other unintended consequences of
increasing ENET_PEER_PING_INTERVAL to, say, 5000?
It's only used in the code once, for determining when to ping, but
I wondered if other things might rely on that hard coded value.
E.g., will peers "time-out" too regulalry now? Will it break some
of the "latency" metrics e-net gathers?
I can't see any problems, but I want to be sure.
Regards,
John Wood
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