com.netflix.hystrix.examples.reactivesocket.HystrixMetricsReactiveSocketServer.java Source code

Introduction

Here is the source code for com.netflix.hystrix.examples.reactivesocket.HystrixMetricsReactiveSocketServer.java

Source

/**
 * Copyright 2016 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 com.netflix.hystrix.examples.reactivesocket;

import com.netflix.hystrix.contrib.reactivesocket.EventStreamRequestHandler;
import com.netflix.hystrix.examples.demo.HystrixCommandAsyncDemo;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.handler.logging.LogLevel;
import io.netty.handler.logging.LoggingHandler;
import io.reactivesocket.netty.tcp.server.ReactiveSocketServerHandler;

public class HystrixMetricsReactiveSocketServer {

    public static void main(String[] args) throws Exception {
        System.out.println("Starting HystrixMetricsReactiveSocketServer...");

        final ReactiveSocketServerHandler handler = ReactiveSocketServerHandler
                .create((setupPayload, rs) -> new EventStreamRequestHandler());

        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
        EventLoopGroup workerGroup = new NioEventLoopGroup();

        try {
            ServerBootstrap b = new ServerBootstrap();
            b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                    .handler(new LoggingHandler(LogLevel.INFO)).childHandler(new ChannelInitializer<Channel>() {
                        @Override
                        protected void initChannel(Channel ch) throws Exception {
                            ChannelPipeline pipeline = ch.pipeline();
                            pipeline.addLast(handler);
                        }
                    });
            Channel localhost = b.bind("127.0.0.1", 8025).sync().channel();

            executeCommands();
            localhost.closeFuture().sync();
        } finally {
            bossGroup.shutdownGracefully();
            workerGroup.shutdownGracefully();
        }
    }

    private static void executeCommands() {
        new HystrixCommandAsyncDemo().startDemo(false);
    }
}