Http3.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.channel.Channel;
import io.netty.channel.ChannelHandler;
import io.netty.handler.codec.quic.QuicChannel;
import io.netty.handler.codec.quic.QuicClientCodecBuilder;
import io.netty.handler.codec.quic.QuicCodecBuilder;
import io.netty.handler.codec.quic.QuicServerCodecBuilder;
import io.netty.handler.codec.quic.QuicStreamChannel;
import io.netty.handler.codec.quic.QuicStreamChannelBootstrap;
import io.netty.handler.codec.quic.QuicStreamType;
import io.netty.util.AttributeKey;
import io.netty.util.concurrent.Future;
import org.jetbrains.annotations.Nullable;

/**
 * Contains utility methods that help to bootstrap server / clients with HTTP3 support.
 */
public final class Http3 {

    private Http3() {  }

    private static final String[] H3_PROTOS = new String[] {
            "h3-29",
            "h3-30",
            "h3-31",
            "h3-32",
            "h3"
    };

    private static final AttributeKey<QuicStreamChannel> HTTP3_CONTROL_STREAM_KEY =
            AttributeKey.valueOf(Http3.class, "HTTP3ControlStream");

    private static final AttributeKey<QpackAttributes> QPACK_ATTRIBUTES_KEY =
            AttributeKey.valueOf(Http3.class, "QpackAttributes");

    /**
     * Returns the local initiated control stream for the HTTP/3 connection.
     * @param channel   the channel for the HTTP/3 connection.
     * @return          the control stream.
     */
    @Nullable
    public static QuicStreamChannel getLocalControlStream(Channel channel) {
        return channel.attr(HTTP3_CONTROL_STREAM_KEY).get();
    }
// ... (120 more lines)