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generated by cgit v1.2.3 (git 2.39.1) at 2025-01-05 00:15:51 +0000
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/*
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 "util/pointer.h"
#include "util/numeric.h"
#include "networkprotocol.h"
#include <SColor.h>

class NetworkPacket
{

public:
	NetworkPacket(u16 command, u32 datasize, session_t peer_id);
	NetworkPacket(u16 command, u32 datasize);
	NetworkPacket() = default;

	~NetworkPacket();

	void putRawPacket(const u8 *data, u32 datasize, session_t peer_id);
	void clear();

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

	NetworkPacket &operator>>(char &dst);
	NetworkPacket &operator<<(char src);

	NetworkPacket &operator>>(bool &dst);
	NetworkPacket &operator<<(bool src);

	u8 getU8(u32 offset);

	NetworkPacket &operator>>(u8 &dst);