flow.h

/*
 * flow.h
 *
 *  Created on: 23.07.2016
 *      Author: marc
 */

#ifndef FLOW_H_
#define FLOW_H_

#include <linux/if_ether.h>
#include <netinet/ip6.h>
#include <stdint.h>

#define MAX_DIR_STR_LEN 4
#define MAX_PROTO_STR_LEN 20

typedef enum { IN, OUT } traf_dir;

struct pkt_meta {
    uint8_t mac[ETH_ALEN];
    uint8_t proto;
    traf_dir dir;
    struct in6_addr ip_addr;
};

struct flow {
    struct pkt_meta meta;

    /* actual data */
    uint32_t size;
    uint32_t packets;

    struct flow *next_flow;
};

extern struct flow *insert_ptr;
extern struct flow *collect_ptr;

void add_dataset_to_flow(struct flow **ptr, traf_dir dir, uint8_t mac[6], struct in6_addr *ip_addr, uint8_t proto,
                         uint32_t size);
void print_flow(struct flow *f_ptr);
void flow_to_post(struct flow *f_ptr, char *buf);
void free_flows(struct flow *ptr);

#endif /* FLOW_H_ */