WebSocketClientProtocolHandshakeHandler.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.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.channel.ChannelPromise;
import io.netty.handler.codec.http.FullHttpResponse;
import io.netty.handler.codec.http.websocketx.WebSocketClientProtocolHandler.ClientHandshakeStateEvent;
import io.netty.util.concurrent.Future;

import java.util.concurrent.TimeUnit;

import static io.netty.util.internal.ObjectUtil.*;

class WebSocketClientProtocolHandshakeHandler extends ChannelInboundHandlerAdapter {
    private static final long DEFAULT_HANDSHAKE_TIMEOUT_MS = 10000L;

    private final WebSocketClientHandshaker handshaker;
    private final long handshakeTimeoutMillis;
    private ChannelHandlerContext ctx;
    private ChannelPromise handshakePromise;

    WebSocketClientProtocolHandshakeHandler(WebSocketClientHandshaker handshaker) {
        this(handshaker, DEFAULT_HANDSHAKE_TIMEOUT_MS);
    }

    WebSocketClientProtocolHandshakeHandler(WebSocketClientHandshaker handshaker, long handshakeTimeoutMillis) {
        this.handshaker = handshaker;
        this.handshakeTimeoutMillis = checkPositive(handshakeTimeoutMillis, "handshakeTimeoutMillis");
    }

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

    @Override
    public void channelActive(final ChannelHandlerContext ctx) throws Exception {
        ctx.fireChannelActive();
        handshaker.handshake(ctx.channel()).addListener(future -> {
            if (!future.isSuccess()) {
                handshakePromise.tryFailure(future.cause());
                ctx.fireExceptionCaught(future.cause());
            } else {
// ... (75 more lines)