c56e859b2fee7796ec2cd30afaf1e61a35e6d0c8
[strongswan.git] / Source / charon / packet.h
1 /**
2 * @file packet.h
3 *
4 * @brief UDP-Packet, contains data, sender and receiver
5 *
6 */
7
8 /*
9 * Copyright (C) 2005 Jan Hutter, Martin Willi
10 * Hochschule fuer Technik Rapperswil
11 *
12 * This program is free software; you can redistribute it and/or modify it
13 * under the terms of the GNU General Public License as published by the
14 * Free Software Foundation; either version 2 of the License, or (at your
15 * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
19 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
20 * for more details.
21 */
22
23 #ifndef PACKET_H_
24 #define PACKET_H_
25
26
27 #include "types.h"
28
29 #include <sys/types.h>
30 #include <sys/socket.h>
31 #include <netinet/in.h>
32 #include <arpa/inet.h>
33 #include <stdlib.h>
34 #include <freeswan.h>
35 #include <pluto/constants.h>
36 #include <pluto/defs.h>
37
38
39 /**
40 * @brief UDP-Packet, contains data, sender and receiver
41 */
42 typedef struct packet_s packet_t;
43 struct packet_s {
44 /**
45 * Address family, such as AF_INET
46 */
47 int family;
48 size_t sockaddr_len;
49
50 /**
51 * source address structure
52 */
53 struct sockaddr source;
54
55 /**
56 * destination address structure
57 */
58 struct sockaddr destination;
59
60 /**
61 * message data
62 */
63 chunk_t data;
64
65 status_t (*set_destination) (packet_t *packet, char *address, u_int16_t port);
66 status_t (*set_source) (packet_t *packet, char *address, u_int16_t port);
67
68 /**
69 * @brief
70 *
71 * @param
72 * @return
73 */
74 status_t (*destroy) (packet_t *packet);
75 };
76
77 /**
78 * @brief
79 *
80 * @param
81 * @return
82 */
83 packet_t *packet_create(int family);
84
85 #endif /*PACKET_H_*/