[ENet-discuss] problem creating enet host
Martin Zemblowski
martin at bigheadgames.co.uk
Tue Sep 18 08:53:45 PDT 2012
NAT part is covered by gamespy, i get two addresses of machines
involved. then i try to create host (not peer!) on mac and it fails
sometimes (question: why?). if it succeeds, then we go to making
connections business ;)
Regards!
On 18/09/2012 16:40, Daniel Aquino wrote:
> Both hosts should try to send to one another at the same time from/to
> predefined ports.
>
> https://en.wikipedia.org/wiki/UDP_hole_punching
>
>
>
>
> On Tue, Sep 18, 2012 at 11:24 AM, Martin Zemblowski
> <martin at bigheadgames.co.uk <mailto:martin at bigheadgames.co.uk>> wrote:
>
> gamespy transport service is using udp.
> right now one of the player creates socket and just listens to it,
> another on is actively trying to connect to other party, but fails
> at create_host for some reasons. I am creating host in the same
> way on both machines.
>
> I am testing connectivity on the same machines constantly, so I
> dont see any reason why it should work for 3 times in a row and
> then wouldnt... and it's a bit weird moment - creating host, i
> would expect it to fail when actually trying to connect
> :(
>
>
>
> On 18/09/2012 16:16, Daniel Aquino wrote:
>> Is gamespy using tcp or udp ?
>>
>> If both your players try to connect at the same time then they
>> should get through after a retry or two.
>>
>> Although there is many types of nat's so it might not always work.
>>
>>
>>
>> On Tue, Sep 18, 2012 at 10:37 AM, Martin Zemblowski
>> <martin at bigheadgames.co.uk <mailto:martin at bigheadgames.co.uk>> wrote:
>>
>> Hello!
>> I am using enet library in conjunction with gamespy. I use
>> gamespy to create socket, connect to lobby, select opponent
>> and do the NAT punch-through. In next step I close gamespy
>> socket, initialize enet library and try to create enet host
>> with same port (in my case I pass ip as empty string) and
>> then start connection to other party. It works, but not
>> always. I am using three computers right now: pc vista, pc xp
>> and mac osx 10.7.4. On mac sometimes (not always) I cannot
>> create enet host (even if i try to create host with different
>> ports, 100 retries), here's the code:
>>
>> retries = 101;
>> enet_address_set_host (&enet.gAddress, ip);
>> do {
>> enet.gAddress.port = port;
>> enet.gHost = enet_host_create (&enet.gAddress , 1 , 2, 0
>> ,0 );
>>
>> if (enet.gHost == NULL)
>> {
>> printf ( "An error occurred while trying to create an
>> ENet host(%s:%d).\n",ip,port);
>> port++; // HACK
>> }
>> else
>> printf( "host created.\n");
>> } while (enet.gHost == NULL && (--retries > 0));
>>
>> Any ideas?
>> Thank you!
>> Martin
>>
>>
>> _______________________________________________
>> ENet-discuss mailing list
>> ENet-discuss at cubik.org <mailto:ENet-discuss at cubik.org>
>> http://lists.cubik.org/mailman/listinfo/enet-discuss
>>
>>
>>
>>
>> _______________________________________________
>> ENet-discuss mailing list
>> ENet-discuss at cubik.org <mailto:ENet-discuss at cubik.org>
>> http://lists.cubik.org/mailman/listinfo/enet-discuss
>
>
> _______________________________________________
> ENet-discuss mailing list
> ENet-discuss at cubik.org <mailto:ENet-discuss at cubik.org>
> http://lists.cubik.org/mailman/listinfo/enet-discuss
>
>
>
>
> _______________________________________________
> ENet-discuss mailing list
> ENet-discuss at cubik.org
> http://lists.cubik.org/mailman/listinfo/enet-discuss
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.cubik.org/pipermail/enet-discuss/attachments/20120918/c59b1a5e/attachment.html>
More information about the ENet-discuss
mailing list