Http2ConnectionHandler.java — netty Source File

Source Code

/*
 * Copyright 2014 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.http2;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufUtil;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelOutboundHandler;
import io.netty.channel.ChannelPromise;
import io.netty.handler.codec.ByteToMessageDecoder;
import io.netty.handler.codec.http.HttpResponseStatus;
import io.netty.handler.codec.http2.Http2Exception.CompositeStreamException;
import io.netty.handler.codec.http2.Http2Exception.StreamException;
import io.netty.util.CharsetUtil;
import io.netty.util.concurrent.Future;
import io.netty.util.internal.logging.InternalLogger;
import io.netty.util.internal.logging.InternalLoggerFactory;

import java.net.SocketAddress;
import java.util.List;
import java.util.concurrent.TimeUnit;

import static io.netty.buffer.ByteBufUtil.hexDump;
import static io.netty.buffer.Unpooled.EMPTY_BUFFER;
import static io.netty.handler.codec.http2.Http2CodecUtil.HTTP_UPGRADE_STREAM_ID;
import static io.netty.handler.codec.http2.Http2CodecUtil.connectionPrefaceBuf;
import static io.netty.handler.codec.http2.Http2CodecUtil.getEmbeddedHttp2Exception;
import static io.netty.handler.codec.http2.Http2Error.INTERNAL_ERROR;
import static io.netty.handler.codec.http2.Http2Error.NO_ERROR;
import static io.netty.handler.codec.http2.Http2Error.PROTOCOL_ERROR;
import static io.netty.handler.codec.http2.Http2Exception.connectionError;
import static io.netty.handler.codec.http2.Http2Exception.isStreamError;
import static io.netty.handler.codec.http2.Http2FrameTypes.SETTINGS;
import static io.netty.handler.codec.http2.Http2Stream.State.IDLE;
import static io.netty.util.CharsetUtil.UTF_8;
import static io.netty.util.internal.ObjectUtil.checkNotNull;
import static java.lang.Math.min;
import static java.util.concurrent.TimeUnit.MILLISECONDS;

/**
 * Provides the default implementation for processing inbound frame events and delegates to a
 * {@link Http2FrameListener}
 * <p>
 * This class will read HTTP/2 frames and delegate the events to a {@link Http2FrameListener}
 * <p>
// ... (935 more lines)