minetest/src/network/networkpacket.h
est31 82e35edff5 Make early protocol auth mechanism generic, and add SRP
Adds everything needed for SRP (and everything works too),
but still deactivated, as protocol v25 init packets aren't final yet.
Can be activated by changing the LATEST_PROTOCOL_VERSION header to 25
inside networkprotocol.h.
2015-05-11 18:40:27 +02:00

137 lines
3.6 KiB
C++

/*
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(u16 command, u32 datasize, u16 peer_id);
NetworkPacket(u16 command, u32 datasize);
NetworkPacket(): m_datasize(0), m_read_offset(0), m_command(0),
m_peer_id(0) {}
~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; }
// Returns a c-string without copying.
// A better name for this would be getRawString()
char* getString(u32 from_offset);
// major difference to putCString(): doesn't write len into the buffer
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
Buffer<u8> oldForgePacket();
private:
void checkReadOffset(u32 from_offset);
template<typename T> void checkDataSize()
{
if (m_read_offset + sizeof(T) > m_datasize) {
m_datasize = m_read_offset + 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