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Layer2.h

/*** This Programs/Libraries are (C)opyright by Sebastian Krahmer.
 *** You may use it under the terms of the GPL. You should have
 *** already received the file COPYING that shows you your rights.
 *** Please look at COPYING for further license-details.
 ***  
 *** THERE IS ABSOLUTELY NO WARRANTY. SO YOU USE IT AT YOUR OWN RISK.
 *** IT WAS WRITTEN IN THE HOPE THAT IT WILL BE USEFULL. I AM NOT RESPONSIBLE
 *** FOR ANY DAMAGE YOU MAYBE GET DUE TO USING MY PROGRAMS.
 ***/
#ifndef _LAYER2_H_
#define _LAYER2_H_

#include "config.h"
#include "usi++/usi-structs.h"
#include "RX.h"
#include "TX.h"

#include <stdio.h>

namespace usipp {

class Layer2 {
private:
        RX *d_rx;               // for receiving
        TX *d_tx;               // for transmitting data
public:
        Layer2(RX *r = NULL, TX *t = NULL);
        
        
        virtual ~Layer2() {}

        virtual int sniffpack(void *, size_t);

        virtual int sendpack(void *buf, size_t len, struct sockaddr *);

        virtual int init_device(char *dev, int promisc, size_t snaplen);

        int setfilter(char *f); 

        int timeout(struct timeval);

        bool timeout();
        
        TX *register_tx(TX *t) { TX *r = d_tx; d_tx = t; return r; }
        
        RX *register_rx(RX *r) { RX *ret = d_rx; d_rx = r; return ret; }

        TX *tx() { return d_tx; }

        RX *rx() { return d_rx; }       
};

} // namespace usipp
#endif

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