[ENet-discuss] Questioning a server without connecting to it

[Lee Salzman]

Really the best way to do this sort of server pinging is just to hack into
enet_protocol_receive_incoming_commands, and use some distinguished invalid
peer ID to identify packets that you dispatch to your app via a callback
into it or what not.

On Thu, May 24, 2012 at 5:07 AM, Emmanuel Rivoire <manu.n02 at laposte.net>wrote:

> Hello,
>
> would it be possible to add the possibility to question a server without
> connecting to it ?
>
> I'd like to ping several servers to know if they are accessible and with
> what latency, to display in a server list.
> I'd need custom info sent with the answer ( = variable buffer size).
> I'd fill this buffer with information about the current state of the
> server.
>
> It might need a request ID, so the server can know the client is able to
> request the info (ie: the server and client run the same application /
> game).
>
> API would be something like this for the client :
> - a function to send info request message with ID to specified address
> - get back a Info Reply event when it comes (if it comes) when calling
> enet_host_service() with event.packet containing the custom info , and the
> server address (that should be added to event, I guess)
>
> and for server :
> - an Info Request event with event.packet containing ID , and the client
> address
> - send info reply with custom Buffer to specified address
>
> That would be quite useful for games (maybe not much for applications,
> though).
>
> And if not possible, I'll try to do by myself... Hopefully, it won't be
> too hard.
>
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