C_packetLZ4.hpp

/*
 * Copyright 2024 Guillaume Guillet
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef _FGE_C_PACKETLZ4_HPP_INCLUDED
#define _FGE_C_PACKETLZ4_HPP_INCLUDED
 
#include "FastEngine/fge_extern.hpp"
#include "C_packet.hpp"
 
/*
 * This file is using the library :
 * LZ4 - Fast LZ compression algorithm
 * Copyright (C) 2011-present, Yann Collet.
 * BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
 */
 
#define FGE_PACKETLZ4_DEFAULT_MAXUNCOMPRESSEDRECEIVEDSIZE 65536
#define FGE_PACKETLZ4HC_DEFAULT_MAXUNCOMPRESSEDRECEIVEDSIZE 65536
#define FGE_PACKETLZ4_VERSION "1.9.4"
 
namespace fge::net
{
 
class FGE_API PacketLZ4 : public Packet
{
public:
    PacketLZ4();
    PacketLZ4(PacketLZ4&& pck) noexcept;
    PacketLZ4(Packet&& pck) noexcept;
    PacketLZ4(PacketLZ4 const& pck);
    PacketLZ4(Packet const& pck);
    ~PacketLZ4() override = default;
 
    static uint32_t _maxUncompressedReceivedSize;
 
    [[nodiscard]] std::size_t getLastCompressionSize() const;
 
protected:
    void onSend(std::vector<uint8_t>& buffer, std::size_t offset) override;
    void onReceive(void* data, std::size_t dsize) override;
 
private:
    std::vector<char> g_buffer;
    std::size_t g_lastCompressionSize;
};
 
class FGE_API PacketLZ4HC : public Packet
{
public:
    PacketLZ4HC();
    PacketLZ4HC(PacketLZ4HC&& pck) noexcept;
    PacketLZ4HC(Packet&& pck) noexcept;
    PacketLZ4HC(PacketLZ4HC const& pck);
    PacketLZ4HC(Packet const& pck);
    ~PacketLZ4HC() override = default;
 
    static uint32_t _maxUncompressedReceivedSize;
 
    void setCompressionLevel(int value);
    [[nodiscard]] int getCompressionLevel() const;
 
    [[nodiscard]] std::size_t getLastCompressionSize() const;
 
protected:
    void onSend(std::vector<uint8_t>& buffer, std::size_t offset) override;
    void onReceive(void* data, std::size_t dsize) override;
 
private:
    std::vector<char> g_buffer;
    int g_compressionLevel;
    std::size_t g_lastCompressionSize;
};
 
} // namespace fge::net
 
#endif // _FGE_C_PACKETLZ4_HPP_INCLUDED