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/**
 * Copyright (c) 2013-2021 Nikita Koksharov
 *
 * 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.
 */
package com.github.lontime.shaded.org.redisson.codec;

import com.esotericsoftware.kryo.Kryo;
import com.esotericsoftware.kryo.io.Input;
import com.esotericsoftware.kryo.io.Output;
import com.esotericsoftware.kryo.serializers.JavaSerializer;
import com.esotericsoftware.kryo.util.Pool;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufAllocator;
import io.netty.buffer.ByteBufInputStream;
import io.netty.buffer.ByteBufOutputStream;
import com.github.lontime.shaded.org.redisson.client.codec.BaseCodec;
import com.github.lontime.shaded.org.redisson.client.handler.State;
import com.github.lontime.shaded.org.redisson.client.protocol.Decoder;
import com.github.lontime.shaded.org.redisson.client.protocol.Encoder;

import java.io.IOException;

/**
 * Kryo 5 codec
 * 
 * Fully thread-safe.
 *
 * @author Nikita Koksharov
 *
 */
public class Kryo5Codec extends BaseCodec {

    private final Pool kryoPool;
    private final Pool inputPool;
    private final Pool outputPool;

    public Kryo5Codec() {
        this(null);
    }

    public Kryo5Codec(ClassLoader classLoader, Kryo5Codec codec) {
        this(classLoader);
    }

    public Kryo5Codec(ClassLoader classLoader) {

        this.kryoPool = new Pool(true, false, 1024) {
            @Override
            protected Kryo create() {
                return createKryo(classLoader);
            }
        };

        this.inputPool = new Pool(true, false, 512) {
            @Override
            protected Input create() {
                return new Input(8192);
            }
        };

        this.outputPool = new Pool(true, false, 512) {
            @Override
            protected Output create() {
                return new Output(8192, -1);
            }
        };
    }

    protected Kryo createKryo(ClassLoader classLoader) {
        Kryo kryo = new Kryo();
        if (classLoader != null) {
            kryo.setClassLoader(classLoader);
        }
        kryo.setRegistrationRequired(false);
        kryo.setReferences(false);
        kryo.addDefaultSerializer(Throwable.class, new JavaSerializer());
        return kryo;
    }

    private final Decoder