1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
/*
* Copyright 2013 Google Inc.
*
* 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; either version 2
* of the License, or (at your option) any later version.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
/*
* Author: ncardwell@google.com (Neal Cardwell)
*
* Interface for a module to execute a packet event from a test script.
*/
#ifndef __RUN_PACKET_H__
#define __RUN_PACKET_H__
#include "types.h"
#include "script.h"
struct event;
struct packet;
struct socket;
struct state;
/* Internal state for the packet-handling module. */
struct packets {
int next_ephemeral_port; /* cached port to use, or -1 */
};
/* Allocate and return internal state for the packets module. */
extern struct packets *packets_new(const struct state *state);
/* Tear down packets module state and free up the resources it has allocated. */
extern void packets_free(struct packets *packets);
/* Execute the packet event. On success, return STATUS_OK; on error
* return STATUS_ERR and fill in a malloc-allocated error message in
* *error.
*/
extern int run_packet_event(struct state *state,
struct event *event,
struct packet *packet,
char **error);
/* Inject a TCP RST packet to clear the connection state out of the kernel. */
extern int reset_connection(struct state *state,
struct socket *socket);
#endif /* __RUN_PACKET_H__ */
|