1/* Copyright (C) 2008 The Android Open Source Project
2**
3** This software is licensed under the terms of the GNU General Public
4** License version 2, as published by the Free Software Foundation, and
5** may be copied, distributed, and modified under those terms.
6**
7** This program is distributed in the hope that it will be useful,
8** but WITHOUT ANY WARRANTY; without even the implied warranty of
9** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
10** GNU General Public License for more details.
11*/
12#ifndef _QEMU_TCPDUMP_H
13#define _QEMU_TCPDUMP_H
14
15#include <stdint.h>
16
17/* global flag, set to 1 when packet captupe is active */
18extern int  qemu_tcpdump_active;
19
20/* start a new packet capture, close the current one if any.
21 * returns 0 on success, and -1 on failure (see errno then) */
22extern int  qemu_tcpdump_start( const char*  filepath );
23
24/* stop the current packet capture, if any */
25extern void qemu_tcpdump_stop( void );
26
27/* send an ethernet packet to the packet capture file, if any */
28extern void qemu_tcpdump_packet( const void*  base, int  len );
29
30/* returns interesting stats, like the number of packets captures,
31 * and the total size of these packets. Note: the file will be larger
32 * due to global and packet headers.
33 */
34extern void  qemu_tcpdump_stats( uint64_t  *pcount, uint64_t*  psize );
35
36#endif /* _QEMU_TCPDUMP_H */
37