/* ulog_test, Version $Revision$
 *
 * small testing program for libipulog, part of the netfilter ULOG target
 * for the linux 2.4 netfilter subsystem.
 *
 * (C) 2000 by Harald Welte <laforge@sunbeam.franken.de>
 *
 * this code is released under the terms of GNU GPL
 *
 * $Id$
 */

#include <stdio.h>
#include <stdlib.h>
#include <libipulog/libipulog.h>

#define MYBUFSIZ 2048

/* prints some logging about a single packet */
void handle_packet(ulog_packet_msg_t *pkt)
{
	unsigned char *p;
	int i;
	
	printf("Hook=%u Mark=%u len=%d ", pkt->hook, pkt->mark, pkt->data_len);
	if (strlen(pkt->prefix))
		printf("Prefix=%s ", pkt->prefix);
	
	if (pkt->mac_len)
	{
		printf("mac=");
		p = pkt->mac;
		for (i = 0; i < pkt->mac_len; i++, p++)
			printf("%02x%c", *p, i==pkt->mac_len-1 ? ' ':':');
	}
	printf("\n");

}

main()
{
	struct ipulog_handle *h;
	unsigned char* buf;
	size_t len;
	ulog_packet_msg_t *upkt;
	
	/* allocate a receive buffer */
	buf = (unsigned char *) malloc(MYBUFSIZ);
	
	/* create ipulog handle */
	h = ipulog_create_handle(ipulog_group2gmask(32));
	if (!h)
	{
		/* if some error occurrs, print it to stderr */
		ipulog_perror(NULL);
		exit(1);
	}

	/* endless loop receiving packets and handling them over to
	 * handle_packet */
	while(1)
	{
		len = ipulog_read(h, buf, BUFSIZ, 1);
		upkt = ipulog_get_packet(buf);	
		printf("got %d bytes\n", len);
		handle_packet(upkt);
	}
	
	/* just to give it a cleaner look */
	ipulog_destroy_handle(h);

}