i was wondering how a game client automatically finds currently running
game servers in a lan. after a bit of thought i came up with a server
side and a client side approach( i havent tested them yet ).
1) the client side approach is probably a bit dull, but could work for
(single network) lan: the idea is that the client resolves its ip adress
and scans the whole subnet for running servers. while this would be fast
and simple for C,D class networks it will be probably quite expensive
and time consuming in an A class lan.
another down side is as indicated above that lans split up in multiple
networks are not covered by this approach.
2) the server side solution that popped into my mind would require the
game server to
send a broadcast signal as kind of a beacon( a ping for instance ) for
the game clients. again this approach may perform weak in a big lan with
plenty of running servers.
are any of the two approaches worth a try or total crap ? what would you
suggest ? has anyone in here mastered such a problem before ?
greetings, serious !!
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a friend of me solved that problem i think. i don’t know how, as i
haven’t seen him for a while. i’ll try to get that info asap..
I think there is a way to query the OS for current computers. I believe
that the OS keeps a record of all computers on the lan, so you get their
IPs and send a message to them all. However I could be wrong as
networking was never my strong point.
thanks, i will take a look on some os-apis (linux/win32) for it.
strangely i have not thought about this way at all (i think windows does
some netbios magic - which is probably similar my broadcasting idea).