On Tue, Jul 24, 2001 at 05:01:16PM +0200, Miguel Angel Gomez Sexto wrote:
> I call the function pcap_loop, with a callback
> function that only displays the number of packets
> received by the adapter.
> And here is the problem: I ping the computer with
> four packets and the callback function is called a lot
> of times (I have counted more than 32000 times).
When you called "pcap_open_live()", what value did you give the third
argument, the "promisc" argument?
If you gave it a non-zero value, the network interface would probably be
in promiscuous mode; if you're on a non-switched network, this means
it'll receive *all* traffic on the network, not just traffic to or from
your machine.
If you gave it a zero value, the interface probably won't be in
promiscuous mode (unless some *other* program put it in promiscuous
mode), but if there's a lot of traffic going to or from your machine,
your program will see all that traffic, not just the ping.
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