WebSocketServerProtocolHandshakeHandler.java — netty Source File

Source Code

/*
 * Copyright 2019 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.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.ChannelPromise;
import io.netty.handler.codec.http.HttpHeaderNames;
import io.netty.handler.codec.http.HttpObject;
import io.netty.handler.codec.http.HttpRequest;
import io.netty.handler.codec.http.HttpResponse;
import io.netty.handler.codec.http.websocketx.WebSocketServerProtocolHandler.ServerHandshakeStateEvent;
import io.netty.handler.ssl.SslHandler;
import io.netty.util.ReferenceCountUtil;
import io.netty.util.concurrent.Future;

import java.util.concurrent.TimeUnit;

import static io.netty.handler.codec.http.HttpUtil.*;
import static io.netty.util.internal.ObjectUtil.*;

/**
 * Handles the HTTP handshake (the HTTP Upgrade request) for {@link WebSocketServerProtocolHandler}.
 */
class WebSocketServerProtocolHandshakeHandler extends ChannelInboundHandlerAdapter {

    private final WebSocketServerProtocolConfig serverConfig;
    private ChannelHandlerContext ctx;
    private ChannelPromise handshakePromise;
    private boolean isWebSocketPath;

    WebSocketServerProtocolHandshakeHandler(WebSocketServerProtocolConfig serverConfig) {
        this.serverConfig = checkNotNull(serverConfig, "serverConfig");
    }

    @Override
    public void handlerAdded(ChannelHandlerContext ctx) {
        this.ctx = ctx;
        handshakePromise = ctx.newPromise();
    }

    @Override
    public void channelRead(final ChannelHandlerContext ctx, Object msg) throws Exception {
        final HttpObject httpObject = (HttpObject) msg;

// ... (103 more lines)