Re: Problems with libpcap and C++

[Mike Kershaw <dragorn () nerv-un net>]

On Wed, Jun 14, 2006 at 04:48:02PM +0200, David Rosal wrote:
> I'm writing a packet sniffer in C++ using libpcap-0.9.4.
>
> I've tried to use a class function member as a callback for 
> pcap_loop(), but the compiler complains that arguments don't 
> match. The code is something like this (I have simplified it):
>
> 8<-----------------------------
>
> class X
> {
>       public:
>       // This is the callback, defined below
>       void dumper(u_char *u, const struct pcap_pkthdr *h,
>               const u_char *p);
> };

To pass a C++ member function as a callback it must be static, or you
must have mechanisms to allow you to pass an instantiated object as
well.

-m

-- 
Mike Kershaw/Dragorn <dragorn () kismetwireless net>
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