[ENet-discuss] Sending big reliable message

[Sebastien Robillard]

If I had only 20ms of latency I would not mind. However if multiple 
enet_host_service needs to be called to receive the full 3mb of data, 
then yes it starts to be noticeable. That is what I am wondering.


On 4/30/2013 9:16 AM, Doug Warren wrote:
> enet_host_service has a built in timeout if no packets are received. 
>  By only calling it every 20ms you are introducing a fair amount of 
> latency into the processing of the packets.  What I had best luck 
> doing is running it enet on a background thread with an 
> incoming/outgoing queue of messages to/from the main threads with a 
> 10ms timeout in enet_host_service, something like:
> static int SERVER_UPDATE_TIMER = 10;
> while (!_serverClosed && ((result = enet_host_service(_enetHost, 
> &event, SERVER_UPDATE_TIMER)) >= 0))
>
>
> {
>         // Process event
>         ...
>         // Process outgoing events
>         while(outgoingQueue.getNext(outEvent))
>         {
>             ...
>         }
>     }
>
>
> On Tue, Apr 30, 2013 at 5:29 AM, Sebastien Robillard 
> <s.robillard at trio-tech.com <mailto:s.robillard at trio-tech.com>> wrote:
>
>     I am using enet 1.3.3 and I have an issue that might be related to
>     enet. I am sending a reliable packet of about 3.5 mb over a local
>     network and it takes approximately 8 seconds to receive it, which
>     I believe should be much faster. I have a few questions on how
>     enet handles these packets.
>
>     1. Do the frequency of the call to enet_host_service (on either
>     the sender or receiver end) matters for the time it takes to
>     transfer the packet ?
>     2. If so, would it change something if I call enet_host_service
>     with a timeout ? Currently I have a timeout of 0, and move on if
>     there are no events. enet_host_service is called every frame (~20 ms)
>     3. Can we play with packet or buffer sizes in the enet library to
>     improve the speed in my specific case ? I'm looking at defines
>     like ENET_HOST_RECEIVE_BUFFER_SIZE or ENET_HOST_SEND_BUFFER_SIZE
>
>     Thanks,
>     Sebastien
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>
>
>
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