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
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser 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.
HIGHLY MODIFIED FROM THE ORIGINAL CODE
*/
#pragma once
#include <string>
#include <arpa/inet.h>
#if __BIG_ENDIAN__
#define htonll (x) (x)
#define ntohll (x) (x)
#else
#define htonll(x) (((uint64_t)htonl((x) & 0xFFFFFFFF) << 32) | htonl((uint32_t)((uint64_t)(x) >> 32)))
#define ntohll(x) (((uint64_t)htonl((x) & 0xFFFFFFFF) << 32) | htonl((uint32_t)((uint64_t)(x) >> 32)))
#endif
class NetworkPacket {
public:
NetworkPacket();
NetworkPacket(void *buffer, uint32_t len_buffer);
~NetworkPacket();
uint32_t get_remaining() const {
return m_datasize - m_read_offset;
} uint32_t get_size() const {
return m_datasize;
} uint32_t get_offset() const {
return m_read_offset;
} char *get_data() const {
return m_data;
} bool get_error() const {
return m_error;
} bool set_data(char *data, uint32_t len);
NetworkPacket & operator<<(uint64_t src);
NetworkPacket & operator>>(uint64_t & dst);
NetworkPacket & operator<<(uint32_t src);
NetworkPacket & operator>>(uint32_t & dst);
NetworkPacket & operator<<(uint16_t src);
NetworkPacket & operator>>(uint16_t & dst);
NetworkPacket & operator<<(uint8_t src);
NetworkPacket & operator>>(uint8_t & dst);
NetworkPacket & operator<<(char *src);
NetworkPacket & operator>>(char *dst);
bool add_char(char *src, uint16_t len);
bool get_char(char *dst, uint16_t & len);
bool reset();
private:
uint32_t m_datasize = 0;
char *m_data = (char *)malloc(0);
uint32_t m_read_offset = 0;
bool m_error = false;
};
|
