Http3ControlStreamInboundHandler.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.channel.ChannelHandler;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.channel.socket.ChannelInputShutdownEvent;
import io.netty.handler.codec.quic.QuicChannel;
import io.netty.handler.codec.quic.QuicStreamChannel;
import io.netty.handler.codec.quic.QuicStreamType;
import io.netty.util.ReferenceCountUtil;
import io.netty.util.concurrent.Future;
import io.netty.util.concurrent.GenericFutureListener;
import org.jetbrains.annotations.Nullable;

import java.nio.channels.ClosedChannelException;

import static io.netty.handler.codec.http3.Http3CodecUtils.closeOnFailure;
import static io.netty.handler.codec.http3.Http3CodecUtils.connectionError;
import static io.netty.handler.codec.http3.Http3CodecUtils.criticalStreamClosed;
import static io.netty.handler.codec.http3.Http3ErrorCode.H3_FRAME_UNEXPECTED;
import static io.netty.handler.codec.http3.Http3ErrorCode.H3_ID_ERROR;
import static io.netty.handler.codec.http3.Http3ErrorCode.H3_MISSING_SETTINGS;
import static io.netty.handler.codec.http3.Http3ErrorCode.QPACK_ENCODER_STREAM_ERROR;
import static io.netty.handler.codec.http3.Http3SettingsFrame.HTTP3_SETTINGS_QPACK_BLOCKED_STREAMS;
import static io.netty.handler.codec.http3.Http3SettingsFrame.HTTP3_SETTINGS_QPACK_MAX_TABLE_CAPACITY;
import static io.netty.handler.codec.http3.QpackUtil.toIntOrThrow;
import static io.netty.util.internal.ThrowableUtil.unknownStackTrace;

final class Http3ControlStreamInboundHandler extends Http3FrameTypeInboundValidationHandler<Http3ControlStreamFrame> {
    final boolean server;
    private final ChannelHandler controlFrameHandler;
    private final QpackEncoder qpackEncoder;
    private final Http3ControlStreamOutboundHandler remoteControlStreamHandler;
    private boolean firstFrameRead;
    private Long receivedGoawayId;
    private Long receivedMaxPushId;

    Http3ControlStreamInboundHandler(boolean server, @Nullable ChannelHandler controlFrameHandler,
                                     QpackEncoder qpackEncoder,
                                     Http3ControlStreamOutboundHandler remoteControlStreamHandler) {
        super(Http3ControlStreamFrame.class);
        this.server = server;
        this.controlFrameHandler = controlFrameHandler;
        this.qpackEncoder = qpackEncoder;
// ... (262 more lines)