aboutsummaryrefslogtreecommitdiff
path: root/src/network/networkpacket.h
blob: e8c8565b0190222cd69ee774f80b5474c33cc7ba (plain)
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
/*
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.
*/

#ifndef NETWORKPACKET_HEADER
#define NETWORKPACKET_HEADER

#include "util/pointer.h"
#include "util/numeric.h"
#include "networkprotocol.h"

class NetworkPacket
{

public:
		NetworkPacket(u8 *data, u32 datasize, u16 peer_id);
		NetworkPacket(u16 command, u32 datasize, u16 peer_id);
		NetworkPacket(u16 command, u32 datasize);
		~NetworkPacket();

		// Getters
		u32 getSize() { return m_datasize; }
		u16 getPeerId() { return m_peer_id; }
		u16 getCommand() { return m_command; }

		// Data extractors
		char* getString(u32 from_offset);
		void putRawString(const char* src, u32 len);

		NetworkPacket& operator>>(std::string& dst);
		NetworkPacket& operator<<(std::string src);

		void putLongString(std::string src);

		NetworkPacket& operator>>(std::wstring& dst);
		NetworkPacket& operator<<(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>>(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
		SharedBuffer<u8> oldForgePacket();
private:
		template<typename T> void checkDataSize()
		{
			if (m_read_offset + sizeof(T) > m_datasize) {
				m_datasize += sizeof(T);
				m_data.resize(m_datasize);
			}
		}

		template<typename T> void incrOffset()
		{
			m_read_offset += sizeof(T);
		}

		std::vector<u8> m_data;
		u32 m_datasize;
		u32 m_read_offset;
		u16 m_command;
		u16 m_peer_id;
};

#endif