[Winpcap-users] How can i get the new-est packet from buffer?HELP PLEASE~!

[Gianluca Varenni]

Actually, are we talking about realtime control on windows?

Do you mean that your application has to react to a packet in less than 
0.1ms?


Have a nice day
GV


----- Original Message ----- 
From: "Guy Harris" <guy at alum.mit.edu>
To: <winpcap-users at winpcap.org>
Sent: Wednesday, May 27, 2009 2:37 PM
Subject: Re: [Winpcap-users] How can i get the new-est packet from 
buffer?HELP PLEASE~!


>
> On May 25, 2009, at 11:31 PM, rst wrote:
>
>> There is a machine, It send packets to my application , and the
>> speed is fixed
>> (about 200000 packets/per second = 0.000005 second for a packet),
>> the packet include some informations, my application need the
>> informations to do realtime control.
>>
>> my application need 0.0001 second (0.1 ms) to finish a control loop,
>
> ...which means it cannot handle all of the packets, no matter how big
> the buffer.
>
> You might try having one thread which reads packets and puts them into
> a buffer in your application, and another thread which takes packets
> from that buffer and processes them.  If the buffer is full, the first
> thread should discard packets from the beginning of the buffer until
> there's room for the new packet.
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