io.reactivex.netty.protocol.http.websocket.WebSocketServerHandler Maven / Gradle / Ivy
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rx-netty developed by Netflix
/*
* Copyright 2014 Netflix, Inc.
*
* Licensed 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
*
* http://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.reactivex.netty.protocol.http.websocket;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.ChannelPromise;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.handler.codec.http.DefaultFullHttpResponse;
import io.netty.handler.codec.http.FullHttpRequest;
import io.netty.handler.codec.http.FullHttpResponse;
import io.netty.handler.codec.http.websocketx.WebSocketFrameAggregator;
import io.netty.handler.codec.http.websocketx.WebSocketFrameDecoder;
import io.netty.handler.codec.http.websocketx.WebSocketFrameEncoder;
import io.netty.handler.codec.http.websocketx.WebSocketServerHandshaker;
import io.netty.handler.codec.http.websocketx.WebSocketServerHandshakerFactory;
import io.netty.util.CharsetUtil;
import io.reactivex.netty.metrics.MetricEventsSubject;
import io.reactivex.netty.protocol.http.websocket.WebSocketServerMetricsHandlers.ServerReadMetricsHandler;
import io.reactivex.netty.protocol.http.websocket.WebSocketServerMetricsHandlers.ServerWriteMetricsHandler;
import io.reactivex.netty.server.ServerMetricsEvent;
import static io.netty.handler.codec.http.HttpHeaders.isKeepAlive;
import static io.netty.handler.codec.http.HttpHeaders.setContentLength;
import static io.netty.handler.codec.http.HttpMethod.GET;
import static io.netty.handler.codec.http.HttpResponseStatus.BAD_REQUEST;
import static io.netty.handler.codec.http.HttpResponseStatus.FORBIDDEN;
import static io.netty.handler.codec.http.HttpVersion.HTTP_1_1;
/**
* {@link WebSocketServerHandler} orchestrates WebSocket handshake process and reconfigures
* pipeline after the handshake is complete.
*
* @author Tomasz Bak
*/
public class WebSocketServerHandler extends SimpleChannelInboundHandler
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