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
|
/**
* @file packet_parse.h
*
* gaim
*
* Gaim is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _QQ_PACKET_PARSE_H_
#define _QQ_PACKED_PARSE_H_
#include <glib.h>
/* According to "UNIX Network Programming", all TCP/IP implementations
* must support a minimum IP datagram size of 576 bytes, regardless of the MTU.
* Assuming a 20 byte IP header and 8 byte UDP header, this leaves 548 bytes
* as a safe maximum size for UDP messages.
*
* TCP allows packet 64K
*/
#define MAX_PACKET_SIZE 65535
gint read_packet_b(guint8 *buf, guint8 **cursor, gint buflen, guint8 *b);
gint read_packet_w(guint8 *buf, guint8 **cursor, gint buflen, guint16 *w);
gint read_packet_dw(guint8 *buf, guint8 **cursor, gint buflen, guint32 *dw);
gint read_packet_data(guint8 *buf, guint8 **cursor, gint buflen, guint8 *data, gint datalen);
gint create_packet_b(guint8 *buf, guint8 **cursor, guint8 b);
gint create_packet_w(guint8 *buf, guint8 **cursor, guint16 w);
gint create_packet_dw(guint8 *buf, guint8 **cursor, guint32 dw);
gint create_packet_data(guint8 *buf, guint8 **cursor, guint8 *data, gint datalen);
#endif
|