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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
/*
Minetest
Copyright (C) 2015 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
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.
*/
#pragma once
#include <ctime>
#include "util/pointer.h"
#include "util/numeric.h"
#include <SColor.h>
class NetworkPacket
{
public:
NetworkPacket(u16 command, u32 datasize, u16 peer_id);
NetworkPacket(u16 command, u32 datasize);
NetworkPacket() = default;
~NetworkPacket();
void putRawPacket(u8 *data, u32 datasize, u16 peer_id);
// Getters
u32 getSize() { return m_datasize; }
u16 getPeerId() { return m_peer_id; }
u16 getCommand() { return m_command; }
const u32 getRemainingBytes() const { return m_datasize - m_read_offset; }
const char *getRemainingString() { return getString(m_read_offset); }
// Returns a c-string without copying.
// A better name for this would be getRawString()
const char *getString(u32 from_offset);
// major difference to putCString(): doesn't write len into the buffer
void putRawString(const char *src, u32 len);
void putRawString(const std::string &src)
{
putRawString(src.c_str(), src.size());
}
NetworkPacket &operator>>(std::string &dst);
NetworkPacket &operator<<(const std::string &src);
void putLongString(const std::string &src);
NetworkPacket &operator>>(std::wstring &dst);
NetworkPacket &operator<<(const std::wstring &src);
std::string readLongString();
char getChar(u32 offset);
NetworkPacket &operator>>(char &dst);
NetworkPacket &operator<<(char src);
NetworkPacket &operator>>(bool &dst);
NetworkPacket &operator<<(bool src);
u8 getU8(u32 offset);
NetworkPacket &operator>>(u8 &dst);
NetworkPacket &operator<<(u8 src);
u8 *getU8Ptr(u32 offset);
u16 getU16(u32 from_offset);
NetworkPacket &operator>>(u16 &dst);
NetworkPacket &operator<<(u16 src);
NetworkPacket &operator>>(u32 &dst);
NetworkPacket &operator<<(u32 src);
NetworkPacket &operator>>(u64 &dst);
NetworkPacket &operator<<(u64 src);
NetworkPacket &operator>>(std::time_t &dst);
NetworkPacket &operator<<(std::time_t src);
NetworkPacket &operator>>(float &dst);
NetworkPacket &operator<<(float src);
NetworkPacket &operator>>(v2f &dst);
NetworkPacket &operator<<(v2f src);
NetworkPacket &operator>>(v3f &dst);
NetworkPacket &operator<<(v3f src);
NetworkPacket &operator>>(s16 &dst);
NetworkPacket &operator<<(s16 src);
NetworkPacket &operator>>(s32 &dst);
NetworkPacket &operator<<(s32 src);
NetworkPacket &operator>>(v2s32 &dst);
NetworkPacket &operator<<(v2s32 src);
NetworkPacket &operator>>(v3s16 &dst);
NetworkPacket &operator<<(v3s16 src);
NetworkPacket &operator>>(v3s32 &dst);
NetworkPacket &operator<<(v3s32 src);
NetworkPacket &operator>>(video::SColor &dst);
NetworkPacket &operator<<(video::SColor src);
// Temp, we remove SharedBuffer when migration finished
Buffer<u8> oldForgePacket();
private:
void checkReadOffset(u32 from_offset, u32 field_size);
inline void checkDataSize(u32 field_size)
{
if (m_read_offset + field_size > m_datasize) {
m_datasize = m_read_offset + field_size;
m_data.resize(m_datasize);
}
}
std::vector<u8> m_data;
u32 m_datasize = 0;
u32 m_read_offset = 0;
u16 m_command = 0;
u16 m_peer_id = 0;
};
|
