Could you use a single filter with 'OR' statements to fulfill the 200 conditions you wish to capture for? Then, handle the resulting packets in your own application? Or will the 200 conditions just get every packet anyway?
Could you describe what your application is trying to do? DC ----- Original Message ----- From: "pro2c" <[email protected]> To: <[email protected]> Sent: Thursday, May 13, 2010 9:25 AM Subject: Re: [Winpcap-users] Multiple instances > It's developed in VB.NET 2.0 > I optimized as far as I could. Maybe .NET is not a fast platform. > Can send source code to someone who can do VB > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Gianluca Varenni > Sent: Thursday, May 13, 2010 6:13 PM > To: [email protected] > Subject: Re: [Winpcap-users] Multiple instances > > A packet flow if 1.5MB/s is really low. The problem was probably in the > logic of your application. If I were you, I would definitely review your > application design to understand what the bottleneck was. > > Have a nice day > GV > > -------------------------------------------------- > From: "pro2c" <[email protected]> > Sent: Thursday, May 13, 2010 9:02 AM > To: <[email protected]> > Subject: Re: [Winpcap-users] Multiple instances > >> Yes, this was my first attempt but at full DL speed (~1,5 MB/s) the CPU >> usage was to high :( since the packet flow is too large/fast >> >> >> -----Original Message----- >> From: [email protected] >> [mailto:[email protected]] On Behalf Of Gianluca Varenni >> Sent: Thursday, May 13, 2010 4:59 PM >> To: [email protected] >> Subject: Re: [Winpcap-users] Multiple instances >> >> If memory is an issue, then the best solution is opening a single >> instance >> of the WinPcap device, and do your own filtering and demultiplexing in >> user >> mode. This could have the good side effect of having less kernel-user >> mode >> transitions to bring the packets to user mode applications. >> >> Have a nice day >> GV >> >> -------------------------------------------------- >> From: "pro2c" <[email protected]> >> Sent: Thursday, May 13, 2010 5:37 AM >> To: <[email protected]> >> Subject: Re: [Winpcap-users] Multiple instances >> >>> No, not 200 instances of my app but 200 instances of winpcap device to >>> have >>> 200 different filters (for each port). >>> >>> >>> -----Original Message----- >>> From: [email protected] >>> [mailto:[email protected]] On Behalf Of David Chang >>> Sent: Wednesday, May 12, 2010 10:08 PM >>> To: [email protected] >>> Subject: Re: [Winpcap-users] Multiple instances >>> >>> Why are you running 200 instances of your application on a single >>> computer? Do you have 200 NICs? Maybe you can change your application >>> to do more processing in one instance (i.e. multi-threading). >>> >>> DC >>> >>> pro2c wrote: >>>> >>>> I'm having some problems with multiple instances. When I load 200 >>>> instances the memory use of my app reaches 100MB. I'm guessing that >>>> every instance reserves some mem for itself. >>>> >>>> Can this be lowered somehow? >>>> >>>> ------------------------------------------------------------------------ >>>> >>>> _______________________________________________ >>>> Winpcap-users mailing list >>>> [email protected] >>>> https://www.winpcap.org/mailman/listinfo/winpcap-users >>>> >>> >>> _______________________________________________ >>> Winpcap-users mailing list >>> [email protected] >>> https://www.winpcap.org/mailman/listinfo/winpcap-users >>> >>> _______________________________________________ >>> Winpcap-users mailing list >>> [email protected] >>> https://www.winpcap.org/mailman/listinfo/winpcap-users >> >> _______________________________________________ >> Winpcap-users mailing list >> [email protected] >> https://www.winpcap.org/mailman/listinfo/winpcap-users >> >> _______________________________________________ >> Winpcap-users mailing list >> [email protected] >> https://www.winpcap.org/mailman/listinfo/winpcap-users > > _______________________________________________ > Winpcap-users mailing list > [email protected] > https://www.winpcap.org/mailman/listinfo/winpcap-users > > _______________________________________________ > Winpcap-users mailing list > [email protected] > https://www.winpcap.org/mailman/listinfo/winpcap-users > _______________________________________________ Winpcap-users mailing list [email protected] https://www.winpcap.org/mailman/listinfo/winpcap-users
