WebSocketProtocolHandler.java — netty Source File

Source Code

/*
 * Copyright 2013 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.http.websocketx;


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.MessageToMessageDecoder;
import io.netty.util.ReferenceCountUtil;
import io.netty.util.concurrent.Future;
import io.netty.util.concurrent.PromiseNotifier;

import java.net.SocketAddress;
import java.nio.channels.ClosedChannelException;
import java.util.List;
import java.util.concurrent.TimeUnit;

abstract class WebSocketProtocolHandler extends MessageToMessageDecoder<WebSocketFrame>
        implements ChannelOutboundHandler {

    private final boolean dropPongFrames;
    private final WebSocketCloseStatus closeStatus;
    private final long forceCloseTimeoutMillis;
    private ChannelPromise closeSent;

    /**
     * Creates a new {@link WebSocketProtocolHandler} that will <i>drop</i> {@link PongWebSocketFrame}s.
     */
    WebSocketProtocolHandler() {
        this(true);
    }

    /**
     * Creates a new {@link WebSocketProtocolHandler}, given a parameter that determines whether or not to drop {@link
     * PongWebSocketFrame}s.
     *
     * @param dropPongFrames
     *            {@code true} if {@link PongWebSocketFrame}s should be dropped
     */
    WebSocketProtocolHandler(boolean dropPongFrames) {
        this(dropPongFrames, null, 0L);
    }

    WebSocketProtocolHandler(boolean dropPongFrames,
// ... (126 more lines)