[ENet-discuss] ENet - desconnection in 30 seconds after connection.
Ruud van Gaal
ruud at racer.nl
Fri Nov 5 09:21:01 PDT 2010
I always use 0 for the enet_host_service() delay. And as for delays, I
haven't noticed any performance issues with ENet, although I'm doing a game
where framerate is very important.
Ruud
2010/11/5 Nuno Silva <little.coding.fox at gmail.com>
> Well, it depends, if you're not getting any events it's normal that
> enet_host_service blocks for 15ms. Are you trying to say that ENet is
> "slow"? Because 7.5ms of lag between checking events and sending a message
> isnt really slow. ENet has been used in various projects with great success,
> surely those 7.5ms arent time critical for your app? If they are, then you
> might consider getting a different network library.
>
> 2010/11/5 Вячеслав Блинников <slavmfm at gmail.com>
>
>> I reduced the timeout (third param of "enet_host_service()") to 15
>> milliseconds and connection became faster - so it proofs that actually
>> message (using "enet_peer_send()") will be sent with lag which vary
>> between 0 and 15 milliseconds - we have 7,5 milliseconds lag! And it's
>> just in sending.
>>
>> 5 ноября 2010 г. 18:17 пользователь Вячеслав Блинников
>> <slavmfm at gmail.com> написал:
>> > That is strange because previous advice helped me - everything what
>> > was needed is to call "enet_host_service()" in separate thread (I
>> > tried to call it between "getchar()" calls but there still was
>> > disconnections).
>> > But I definetly feel some lags. Sometimes lags are obvious but
>> > sometimes it looks like there are no of them - I think it's depends on
>> > when how close to "enet_host_service()"'s time interval
>> > "enet_peer_send()" will be called.
>> >
>> > 2010/11/5 Nicholas J Ingrassellino <nick at lifebloodnetworks.com>:
>> >> The same thing happens to me if the client does nothing (no events to
>> send,
>> >> ect) even when calling enet_host_service() on a regular basis. I just
>> added
>> >> an unreliable "ping packet" every once in a while which solved it.
>> >>
>> >> ________________________________
>> >>
>> >> Nicholas J Ingrassellino
>> >> LifebloodNetworks.com || nick at lifebloodnetworks.com
>> >>
>> >> "The idea that I can be presented with a problem, set out to logically
>> solve
>> >> it with the tools at hand, and wind up with a program that could not be
>> >> legally used because someone else followed the same logical steps some
>> years
>> >> ago and filed for a patent on it is horrifying."
>> >> - John Carmack on software patents
>> >>
>> >> On 11/05/2010 10:10 AM, Nuno Silva wrote:
>> >>
>> >> Hey there.
>> >> On your while(true) on the client you must also call enet_host_service
>> in
>> >> order for the client to keep its connection alive.
>> >>
>> >> 2010/11/5 Вячеслав Блинников <slavmfm at gmail.com>
>> >>>
>> >>> Hello!
>> >>>
>> >>> I wrote the base client accordingly the tutorial and the client which
>> >>> read inputting through console characters and send it to the server.
>> >>> Everything is fine but just first 30 seconds - then happen the
>> >>> disconnection (message "Client information disconnected" shown).
>> >>> What is wrong with my code?
>> >>>
>> >>>
>> >>>
>> >>> Server code:
>> >>>
>> >>> #include <cstdio>
>> >>> #include "enet\enet.h"
>> >>> int main(int argc, int** argv)
>> >>> {
>> >>> if (enet_initialize () != 0)
>> >>> {
>> >>> printf ("An error occurred while initializing ENet.\n");
>> >>> goto END;
>> >>> }
>> >>> ENetAddress address;
>> >>> address.host = ENET_HOST_ANY;
>> >>> address.port = 1234;
>> >>> ENetHost* server = enet_host_create ( & address, 32, 2, 0,
>> 0);
>> >>> if (server == NULL)
>> >>> {
>> >>> printf("An error occurred while trying to create an ENet
>> >>> client host.\n");
>> >>> goto END;
>> >>> }
>> >>> ENetEvent event;
>> >>> WAIT_FOR_AN_EVENT:
>> >>> enet_host_service(server, &event, 5);
>> >>> switch (event.type)
>> >>> {
>> >>> case ENET_EVENT_TYPE_CONNECT:
>> >>> printf ("A new client connected from %x:%u.\n",
>> event.peer
>> >>> ->
>> >>> address.host, event.peer -> address.port);
>> >>> event.peer -> data = "Client information";
>> >>> break;
>> >>>
>> >>> case ENET_EVENT_TYPE_RECEIVE:
>> >>> printf ("A packet of length %u was received from %s on
>> >>> channel %u.
>> >>> Containings:\n %s", event.packet -> dataLength, event.peer -> data,
>> >>> event.channelID, event.packet -> data);
>> >>> enet_packet_destroy (event.packet);
>> >>> break;
>> >>>
>> >>> case ENET_EVENT_TYPE_DISCONNECT:
>> >>> printf ("%s disconected.\n", event.peer -> data);
>> >>> event.peer -> data = NULL;
>> >>> break;
>> >>>
>> >>> case ENET_EVENT_TYPE_NONE:
>> >>> break;
>> >>> }
>> >>> goto WAIT_FOR_AN_EVENT;
>> >>>
>> >>> printf("host halted.\n");
>> >>>
>> >>> END:
>> >>> getchar();
>> >>> return 0;
>> >>> }
>> >>>
>> >>>
>> >>>
>> >>> Client code:
>> >>>
>> >>> #include <cstdio>
>> >>> #include "enet\enet.h"
>> >>> #include <vector>
>> >>> int main(int argc, int** argv)
>> >>> {
>> >>> //where reading console data will be stored:
>> >>> std::vector<char> buffer;
>> >>>
>> >>> if (enet_initialize () != 0)
>> >>> {
>> >>> printf ("An error occurred while initializing ENet.\n");
>> >>> goto END;
>> >>> }
>> >>> ENetHost* client = enet_host_create ( NULL, 1, 2, 57600
>> / 8,
>> >>> 14400 / 8);
>> >>> if(client == 0l)
>> >>> {
>> >>> printf("An error occurred while trying to create an
>> ENet
>> >>> server host.\n");
>> >>> goto END;
>> >>> }
>> >>> ENetAddress address;
>> >>> enet_address_set_host(&address, "localhost");
>> >>> address.port = 1234;
>> >>>
>> >>> ENetPeer* peer = enet_host_connect(client, &address, 2, 0);
>> >>> if(peer == 0l)
>> >>> {
>> >>> printf("No available peers for initiating an ENet
>> >>> connection.\n");
>> >>> goto END;
>> >>> }
>> >>>
>> >>> ENetEvent event;
>> >>> if (enet_host_service (client, & event, 5000) > 0 && event.type
>> ==
>> >>> ENET_EVENT_TYPE_CONNECT)
>> >>> {
>> >>> puts ("Connection to localhost:1234 succeeded.");
>> >>> }
>> >>> else
>> >>> {
>> >>> enet_peer_reset (peer);
>> >>>
>> >>> puts ("Connection to localhost:1234 failed.");
>> >>> goto END;
>> >>> }
>> >>>
>> >>> printf("Input some data which will be sent to server...\n");
>> >>>
>> >>> INPUT_DATA:
>> >>> buffer.clear();
>> >>> while(true)
>> >>> {
>> >>> char character = getchar();
>> >>> buffer.push_back(character);
>> >>> if(character == '\n')
>> >>> {
>> >>> break;
>> >>> }
>> >>> }
>> >>> buffer.push_back('\0');
>> >>>
>> >>> ENetPacket * packet = enet_packet_create(&buffer[0],
>> buffer.size(),
>> >>> ENET_PACKET_FLAG_RELIABLE);
>> >>> enet_peer_send (peer, 0, packet);
>> >>> enet_host_flush(client);
>> >>> goto INPUT_DATA;
>> >>>
>> >>> END:
>> >>> getchar();
>> >>>
>> >>> return 0;
>> >>> }
>> >>> _______________________________________________
>> >>> ENet-discuss mailing list
>> >>> 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
>> >>
>> >> _______________________________________________
>> >> ENet-discuss mailing list
>> >> 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
>>
>
>
> _______________________________________________
> 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/20101105/c90d0507/attachment.html>
More information about the ENet-discuss
mailing list