Http3FrameCodec.java — netty Source File

Source Code

/*
 * Copyright 2020 The Netty Project
 *
 * The Netty Project licenses this file to you 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:
 *
 *   https://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 io.netty.handler.codec.http3;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelOutboundHandler;
import io.netty.channel.ChannelPromise;
import io.netty.channel.PendingWriteQueue;
import io.netty.handler.codec.ByteToMessageDecoder;
import io.netty.handler.codec.quic.QuicStreamChannel;
import io.netty.handler.codec.quic.QuicStreamFrame;
import io.netty.util.ReferenceCountUtil;
import io.netty.util.concurrent.Future;
import io.netty.util.concurrent.GenericFutureListener;
import org.jetbrains.annotations.Nullable;

import java.net.SocketAddress;
import java.util.List;
import java.util.Map;
import java.util.function.BiFunction;

import static io.netty.handler.codec.http3.Http3CodecUtils.HTTP3_CANCEL_PUSH_FRAME_MAX_LEN;
import static io.netty.handler.codec.http3.Http3CodecUtils.HTTP3_CANCEL_PUSH_FRAME_TYPE;
import static io.netty.handler.codec.http3.Http3CodecUtils.HTTP3_DATA_FRAME_TYPE;
import static io.netty.handler.codec.http3.Http3CodecUtils.HTTP3_GO_AWAY_FRAME_MAX_LEN;
import static io.netty.handler.codec.http3.Http3CodecUtils.HTTP3_GO_AWAY_FRAME_TYPE;
import static io.netty.handler.codec.http3.Http3CodecUtils.HTTP3_HEADERS_FRAME_TYPE;
import static io.netty.handler.codec.http3.Http3CodecUtils.HTTP3_MAX_PUSH_ID_FRAME_MAX_LEN;
import static io.netty.handler.codec.http3.Http3CodecUtils.HTTP3_MAX_PUSH_ID_FRAME_TYPE;
import static io.netty.handler.codec.http3.Http3CodecUtils.HTTP3_PUSH_PROMISE_FRAME_TYPE;
import static io.netty.handler.codec.http3.Http3CodecUtils.HTTP3_SETTINGS_FRAME_MAX_LEN;
import static io.netty.handler.codec.http3.Http3CodecUtils.HTTP3_SETTINGS_FRAME_TYPE;
import static io.netty.handler.codec.http3.Http3CodecUtils.numBytesForVariableLengthInteger;
import static io.netty.handler.codec.http3.Http3CodecUtils.readVariableLengthInteger;
import static io.netty.handler.codec.http3.Http3CodecUtils.writeVariableLengthInteger;
import static io.netty.util.internal.ObjectUtil.checkNotNull;
import static io.netty.util.internal.ObjectUtil.checkPositive;

/**
 * Decodes / encodes {@link Http3Frame}s.
 */
final class Http3FrameCodec extends ByteToMessageDecoder implements ChannelOutboundHandler {
    private final Http3FrameTypeValidator validator;
    private final long maxHeaderListSize;
// ... (763 more lines)