if_bridge and ipdivert oddity?
JJ Cummings
cummingsj at gmail.com
Fri Mar 4 19:46:32 UTC 2011
Same latency without those...
Sent from the iRoad
On Mar 4, 2011, at 12:36, Michael Scheidell <michael.scheidell at secnap.com> wrote:
>
>
> Hey, thats a nice, clean looking test :-)
>
> I suspect SOME of the latency is the unbuffered printf.
> two printfs to &2 for every packet that flows.
>
>
>
> On 3/4/11 2:01 PM, JJC wrote
>> inline transparently on fBSD
>>
>> ** begin perl snippet**
>> #!/usr/bin/perl -w
>> use Net::Divert;
>>
>> select STDERR; $| = 1;
>>
>> my $divobj = Net::Divert->new('localhost',8000);
>>
>> printf(STDERR "open new divobj\n");
>>
>> $divobj->getPackets(\&alterPacket);
>>
>> sub alterPacket { my($packet,$fwtag) = @_;
>> printf(STDERR "i");
>> $divobj->putPacket($packet,$fwtag);
>> printf(STDERR "o");
>> }
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>
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