/*
 * Decompiled with CFR 0.152.
 * 
 * Could not load the following classes:
 *  com.mojang.logging.LogUtils
 *  io.netty.buffer.ByteBuf
 *  io.netty.channel.ChannelHandlerContext
 *  io.netty.handler.codec.ByteToMessageDecoder
 *  org.slf4j.Logger
 */
package net.minecraft.network;

import com.mojang.logging.LogUtils;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.ByteToMessageDecoder;
import java.io.IOException;
import java.util.List;
import net.minecraft.network.Connection;
import net.minecraft.network.PacketListener;
import net.minecraft.network.ProtocolInfo;
import net.minecraft.network.ProtocolSwapHandler;
import net.minecraft.network.SkipPacketException;
import net.minecraft.network.protocol.Packet;
import net.minecraft.network.protocol.PacketType;
import net.minecraft.util.profiling.jfr.JvmProfiler;
import org.slf4j.Logger;

public class PacketDecoder<T extends PacketListener>
extends ByteToMessageDecoder
implements ProtocolSwapHandler {
    private static final Logger LOGGER = LogUtils.getLogger();
    private final ProtocolInfo<T> protocolInfo;

    public PacketDecoder(ProtocolInfo<T> protocolInfo) {
        this.protocolInfo = protocolInfo;
    }

    protected void decode(ChannelHandlerContext ctx, ByteBuf input, List<Object> out) throws Exception {
        Packet packet;
        int readableBytes = input.readableBytes();
        try {
            packet = (Packet)this.protocolInfo.codec().decode(input);
        }
        catch (Exception e) {
            if (e instanceof SkipPacketException) {
                input.skipBytes(input.readableBytes());
            }
            throw e;
        }
        PacketType packetId = packet.type();
        JvmProfiler.INSTANCE.onPacketReceived(this.protocolInfo.id(), packetId, ctx.channel().remoteAddress(), readableBytes);
        if (input.readableBytes() > 0) {
            throw new IOException("Packet " + this.protocolInfo.id().id() + "/" + String.valueOf(packetId) + " (" + packet.getClass().getSimpleName() + ") was larger than I expected, found " + input.readableBytes() + " bytes extra whilst reading packet " + String.valueOf(packetId));
        }
        out.add(packet);
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug(Connection.PACKET_RECEIVED_MARKER, " IN: [{}:{}] {} -> {} bytes", new Object[]{this.protocolInfo.id().id(), packetId, packet.getClass().getName(), readableBytes});
        }
        ProtocolSwapHandler.handleInboundTerminalPacket(ctx, packet);
    }
}