3 Copyright (C) 2015 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 #ifndef NETWORKPACKET_HEADER
21 #define NETWORKPACKET_HEADER
23 #include "util/pointer.h"
24 #include "util/numeric.h"
25 #include "networkprotocol.h"
31 NetworkPacket(u16 command, u32 datasize, u16 peer_id);
32 NetworkPacket(u16 command, u32 datasize);
33 NetworkPacket(): m_datasize(0), m_read_offset(0), m_command(0),
37 void putRawPacket(u8 *data, u32 datasize, u16 peer_id);
40 u32 getSize() { return m_datasize; }
41 u16 getPeerId() { return m_peer_id; }
42 u16 getCommand() { return m_command; }
43 const u32 getRemainingBytes() const { return m_datasize - m_read_offset; }
44 const char* getRemainingString() { return getString(m_read_offset); }
46 // Returns a c-string without copying.
47 // A better name for this would be getRawString()
48 const char* getString(u32 from_offset);
49 // major difference to putCString(): doesn't write len into the buffer
50 void putRawString(const char* src, u32 len);
51 void putRawString(const std::string &src)
52 { putRawString(src.c_str(), src.size()); }
54 NetworkPacket& operator>>(std::string& dst);
55 NetworkPacket& operator<<(std::string src);
57 void putLongString(std::string src);
59 NetworkPacket& operator>>(std::wstring& dst);
60 NetworkPacket& operator<<(std::wstring src);
62 std::string readLongString();
64 char getChar(u32 offset);
65 NetworkPacket& operator>>(char& dst);
66 NetworkPacket& operator<<(char src);
68 NetworkPacket& operator>>(bool& dst);
69 NetworkPacket& operator<<(bool src);
73 NetworkPacket& operator>>(u8& dst);
74 NetworkPacket& operator<<(u8 src);
76 u8* getU8Ptr(u32 offset);
78 u16 getU16(u32 from_offset);
79 NetworkPacket& operator>>(u16& dst);
80 NetworkPacket& operator<<(u16 src);
82 NetworkPacket& operator>>(u32& dst);
83 NetworkPacket& operator<<(u32 src);
85 NetworkPacket& operator>>(u64& dst);
86 NetworkPacket& operator<<(u64 src);
88 NetworkPacket& operator>>(float& dst);
89 NetworkPacket& operator<<(float src);
91 NetworkPacket& operator>>(v2f& dst);
92 NetworkPacket& operator<<(v2f src);
94 NetworkPacket& operator>>(v3f& dst);
95 NetworkPacket& operator<<(v3f src);
97 NetworkPacket& operator>>(s16& dst);
98 NetworkPacket& operator<<(s16 src);
100 NetworkPacket& operator>>(s32& dst);
101 NetworkPacket& operator<<(s32 src);
103 NetworkPacket& operator>>(v2s32& dst);
104 NetworkPacket& operator<<(v2s32 src);
106 NetworkPacket& operator>>(v3s16& dst);
107 NetworkPacket& operator<<(v3s16 src);
109 NetworkPacket& operator>>(v3s32& dst);
110 NetworkPacket& operator<<(v3s32 src);
112 NetworkPacket& operator>>(video::SColor& dst);
113 NetworkPacket& operator<<(video::SColor src);
115 // Temp, we remove SharedBuffer when migration finished
116 Buffer<u8> oldForgePacket();
118 void checkReadOffset(u32 from_offset, u32 field_size);
120 inline void checkDataSize(u32 field_size)
122 if (m_read_offset + field_size > m_datasize) {
123 m_datasize = m_read_offset + field_size;
124 m_data.resize(m_datasize);
128 std::vector<u8> m_data;