/*
 * libnl_ifw.h
 */

#ifndef   _LIBNL_IFW_H
#define   _LIBNL_IFW_H

#include <netinet/in.h>
#include <netinet/ip.h>
#include <netinet/tcp.h>
#include <netinet/udp.h>
#include <linux/if.h>
#include <linux/netlink.h>

#define NETLINK_IFWLOG	20

#define PREFSIZ		32

struct nl_msg {				/* Netlink kernel to user message */
	long timestamp_sec;		/* time packet */
	char indev_name[IFNAMSIZ];	/* name of the ingoing interface */
	char outdev_name[IFNAMSIZ];	/* name of the outgoing interface */
	unsigned char prefix[PREFSIZ];	/* logging informations */
	struct iphdr ip;
	union {
		struct tcphdr th;
		struct udphdr uh;
	} h;
};

int nl_ifw_bind_socket(int s);
int nl_ifw_create_socket(void);
int nl_ifw_read_msg(int s, struct nlmsghdr *nlh, struct nl_msg *msg);

#endif /* !_LIBNL_IFW_H */