Http3CodecUtils.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.Channel;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelHandlerContext;
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.CharsetUtil;
import io.netty.util.internal.ObjectUtil;
import io.netty.util.internal.StringUtil;
import org.jetbrains.annotations.Nullable;

import static io.netty.channel.ChannelFutureListener.CLOSE_ON_FAILURE;
import static io.netty.handler.codec.http3.Http3ErrorCode.H3_INTERNAL_ERROR;
import static io.netty.handler.codec.quic.QuicStreamType.UNIDIRECTIONAL;

final class Http3CodecUtils {

    // See https://tools.ietf.org/html/draft-ietf-quic-http-32#section-7.2.8
    static final long MIN_RESERVED_FRAME_TYPE = 0x1f * 1 + 0x21;
    static final long MAX_RESERVED_FRAME_TYPE = 0x1f * (long) Integer.MAX_VALUE + 0x21;

    // See https://tools.ietf.org/html/draft-ietf-quic-http-32#section-7.2
    static final int HTTP3_DATA_FRAME_TYPE = 0x0;
    static final int HTTP3_HEADERS_FRAME_TYPE = 0x1;
    static final int HTTP3_CANCEL_PUSH_FRAME_TYPE = 0x3;
    static final int HTTP3_SETTINGS_FRAME_TYPE = 0x4;
    static final int HTTP3_PUSH_PROMISE_FRAME_TYPE = 0x5;
    static final int HTTP3_GO_AWAY_FRAME_TYPE = 0x7;
    static final int HTTP3_MAX_PUSH_ID_FRAME_TYPE = 0xd;

    static final int HTTP3_CANCEL_PUSH_FRAME_MAX_LEN = 8;
    static final int HTTP3_SETTINGS_FRAME_MAX_LEN = 256;
    static final int HTTP3_GO_AWAY_FRAME_MAX_LEN = 8;
    static final int HTTP3_MAX_PUSH_ID_FRAME_MAX_LEN = 8;

    static final int HTTP3_CONTROL_STREAM_TYPE = 0x00;
    static final int HTTP3_PUSH_STREAM_TYPE = 0x01;
    static final int HTTP3_QPACK_ENCODER_STREAM_TYPE = 0x02;
    static final int HTTP3_QPACK_DECODER_STREAM_TYPE = 0x03;

    private Http3CodecUtils() { }
// ... (266 more lines)