[ENet-discuss] Not getting any event on my server

[Lee Salzman]

My guess is you are not servicing the client after you get the connect 
event. The connection sequence from a protocol/event standpoint is as 
follows:

Client sends CONNECT to Server.
Server sends VERIFY_CONNECT to Client on receipt of CONNECT.
Client generates CONNECT event (your problem likely occurs here) and 
then sends ACKNOWLEDGE on receipt of VERIFY_CONNECT.
Server generates CONNECT event on receipt of ACKNOWLEDGE.

So the client needs to continue running ENet even after the CONNECT 
event is generated client-side, or else the hand-shake will not be 
completed.

Lee

Wai Wu wrote:
> Hi all,
>  
> Can some one take a look at my simple testing code? I am not getting any 
> events at all. I use a simple client code connect to it. The client says 
> connection is sucessful but there is no event generated on the server.
>  
>  
> #include <stdio.h>
> #include <conio.h>
> #include <process.h>
> #include "enet\enet.h"
>  
> 
> ENetHost * server;
>  
> void startserver(int UDPport)
> {
>  
>     ENetAddress address;
>  
>     /* Bind the server to the default localhost.     */
>     /* A specific host address can be specified by   */
>     enet_address_set_host (& address, "localhost");
>  
>     address.host = ENET_HOST_ANY;
>     /* Bind the server to port 1234. */
>     address.port = UDPport;
>  
>     server = enet_host_create (& address /* the address to bind the 
> server host to */,
>                                  32      /* allow up to 32 clients 
> and/or outgoing connections */,
>                                   0      /* assume any amount of 
> incoming bandwidth */,
>                                   0      /* assume any amount of 
> outgoing bandwidth */);
>     if (server == NULL)
>     {
>         fprintf (stderr,
>                  "An error occurred while trying to create an ENet 
> server host.\n");
>         exit (EXIT_FAILURE);
>     }
>  
> }
>  
> void stopserver()
> {
>     enet_host_destroy(server);
> }
>  
>  
>  
> void evtThread(void *p)
> {
>     ENetEvent event;
>    
>     /* Wait up to 1000 milliseconds for an event. */
>  int rc = enet_host_service (server, & event, 1000);
>     while (rc >= 0)
>     {
>   cprintf("Event rc %d\r\n", rc);
>   if (rc > 0)
>   {
>    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);
>  
>     /* Store any relevant client information here. */
>     event.peer -> data = "Client information";
>  
>     break;
>  
>    case ENET_EVENT_TYPE_RECEIVE:
>      printf ("A packet of length %u containing %s was received from %s 
> on channel %u.\n",
>       event.packet -> dataLength,
>       event.packet -> data,
>       event.peer -> data,
>       event.channelID);
>  
>      /* Clean up the packet now that we're done using it. */
>     enet_packet_destroy (event.packet);
>            
>     break;
>           
>    case ENET_EVENT_TYPE_DISCONNECT:
>     printf ("%s disconected.\n", event.peer -> data);
>  
>     /* Reset the peer's client information. */
>  
>     event.peer -> data = NULL;
>    }
>   }
>   rc = enet_host_service (server, & event, 1000);
>     }
> }
>  
> int main (int argc, char * argv[])
> {
>     if (enet_initialize () != 0)
>     {
>         fprintf (stderr, "An error occurred while initializing ENet.\n");
>         return EXIT_FAILURE;
>     }
>     atexit (enet_deinitialize);
>  
>  startserver(atoi(argv[1]));
>  _beginthread(evtThread, 300, NULL);
>  getch();
>  stopserver();
>  return 0;
> }
> 
> 
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