src/network/networkpacket.h

   1 /*
   2 Minetest
   3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4 Copyright (C) 2015 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
   5
   6 This program is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU Lesser General Public License as published by
   8 the Free Software Foundation; either version 2.1 of the License, or
   9 (at your option) any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU Lesser General Public License for more details.
  15
  16 You should have received a copy of the GNU Lesser General Public License along
  17 with this program; if not, write to the Free Software Foundation, Inc.,
  18 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 */
  20
  21 #ifndef NETWORKPACKET_HEADER
  22 #define NETWORKPACKET_HEADER
  23
  24 #include "util/numeric.h"
  25 #include "networkprotocol.h"
  26
  27 class NetworkPacket
  28 {
  29
  30 public:
  31                 NetworkPacket(u8 *data, u32 datasize, u16 peer_id);
  32                 ~NetworkPacket();
  33
  34                 // Getters
  35                 u32 getSize() { return m_datasize; }
  36                 u16 getPeerId() { return m_peer_id; }
  37
  38                 // Data extractors
  39                 char* getString(u32 from_offset);
  40                 NetworkPacket& operator>>(std::string& dst);
  41                 NetworkPacket& operator>>(std::wstring& dst);
  42                 std::string readLongString();
  43
  44                 char getChar(u32 offset);
  45                 NetworkPacket& operator>>(char& dst);
  46
  47                 NetworkPacket& operator>>(bool& dst);
  48
  49                 u8 getU8(u32 offset);
  50                 NetworkPacket& operator>>(u8& dst);
  51
  52                 u8* getU8Ptr(u32 offset);
  53                 u16 getU16(u32 from_offset);
  54                 NetworkPacket& operator>>(u16& dst);
  55                 u32 getU32(u32 from_offset);
  56                 NetworkPacket& operator>>(u32& dst);
  57                 u64 getU64(u32 from_offset);
  58                 NetworkPacket& operator>>(u64& dst);
  59
  60                 float getF1000(u32 offset);
  61                 NetworkPacket& operator>>(float& dst);
  62                 NetworkPacket& operator>>(v2f& dst);
  63                 NetworkPacket& operator>>(v3f& dst);
  64
  65                 s16 getS16(u32 from_offset);
  66                 NetworkPacket& operator>>(s16& dst);
  67                 s32 getS32(u32 from_offset);
  68                 NetworkPacket& operator>>(s32& dst);
  69
  70                 NetworkPacket& operator>>(v2s32& dst);
  71
  72                 v3s16 getV3S16(u32 from_offset);
  73                 NetworkPacket& operator>>(v3s16& dst);
  74
  75                 v3s32 getV3S32(u32 from_offset);
  76                 NetworkPacket& operator>>(v3s32& dst);
  77
  78 protected:
  79                 u8 *m_data;
  80                 u32 m_datasize;
  81                 u32 m_read_offset;
  82 private:
  83                 u16 m_peer_id;
  84 };
  85
  86 #endif