Re: Problems with libpcap and C++

[David Rosal <david.rosal () upf edu>]

Ury Segal wrote:
> The buttom of the problem is this:
>
> You excpect libpcap to call X::dumper in
> the context of an instance of class X.
> (The "real" first parameter of "X::dumper"
> is a variable named "this" of the type "X*".)
>
> But the libpcap API is not defining a 
>
> > `void (X::)(u_char*,  const pcap_pkthdr*, const
> > u_char*)'
>
> Therefore, you cannot pass a non-static member
> function to libpcap. You can make dumper() a 
> static member.

Yes. If I make dumper() a static member of class X, then the 
compiler accepts it.

It works even if I use it whithin a concrete instance of X. I 
mean the following two ways are accepted:

        X x;
        pcap_loop(..., x.dumper, ...);
        pcap_loop(..., X::dumper, ...);


Thanks.


__david
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