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/*
 * scamper_sniff.h
 *
 * $Id: scamper_sniff.h,v 1.3 2011/06/23 02:44:14 mjl Exp $
 *
 * Copyright (C) 2011 The University of Waikato
 * Author: Matthew Luckie
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, version 2.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#ifndef __SCAMPER_SNIFF_H
#define __SCAMPER_SNIFF_H

#define SCAMPER_SNIFF_STOP_NONE           0x00
#define SCAMPER_SNIFF_STOP_ERROR          0x01
#define SCAMPER_SNIFF_STOP_LIMIT_TIME     0x02
#define SCAMPER_SNIFF_STOP_LIMIT_PKTC     0x03
#define SCAMPER_SNIFF_STOP_HALTED         0x04

typedef struct scamper_sniff_pkt
{
  struct timeval        tv;
  uint8_t              *data;
  uint16_t              len;
} scamper_sniff_pkt_t;

typedef struct scamper_sniff
{
  scamper_list_t       *list;
  scamper_cycle_t      *cycle;
  uint32_t              userid;

  struct timeval        start;
  struct timeval        finish;
  uint8_t               stop_reason;
  uint32_t              limit_pktc;
  uint16_t              limit_time;

  scamper_addr_t       *src;
  uint16_t              icmpid;

  scamper_sniff_pkt_t **pkts;
  uint32_t              pktc;

} scamper_sniff_t;

scamper_sniff_t *scamper_sniff_alloc(void);
void scamper_sniff_free(scamper_sniff_t *);

scamper_sniff_pkt_t *scamper_sniff_pkt_alloc(uint8_t *data, uint16_t len,
					     struct timeval *tv);
void scamper_sniff_pkt_free(scamper_sniff_pkt_t *pkt);

int scamper_sniff_pkts_alloc(scamper_sniff_t *sniff, int pktc);

#endif /* __SCAMPER_SNIFF_H */