core.communication.threadpool.io.CallServer.java Source code

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/*
 * Copyright 2012 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:
 *
 *   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 core.communication.threadpool.io;

import bootstrap.server.ServicesPool;
import core.communication.threadpool.ExcutorManager;
import core.config.Configuration;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.handler.logging.LogLevel;
import io.netty.handler.logging.LoggingHandler;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Echoes back any received data from a bootstrap.client.
 */
public final class CallServer {

    static final int PORT = Integer.parseInt(System.getProperty("port", "8007"));

    private static final Logger sysLogger = LoggerFactory.getLogger(CallServer.class);

    public static void start() {

        //???
        Configuration.initConfig();

        //?Server?
        ExcutorManager.bladeProcessExecutor.submit(() -> {
            try {
                connectServer();
            } catch (Exception e) {
                sysLogger.error("CallServer.start connect channel error >> e: ", e);
            }
        });

        //???
        ServicesPool.initServices();
    }

    public static void connectServer() throws Exception {
        // Configure the bootstrap.server.
        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
        EventLoopGroup workerGroup = new NioEventLoopGroup();
        final CallServerHandler serverHandler = new CallServerHandler();
        try {
            ServerBootstrap b = new ServerBootstrap();
            b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                    .option(ChannelOption.SO_BACKLOG, 100).handler(new LoggingHandler(LogLevel.INFO))
                    .childHandler(new ChannelInitializer<SocketChannel>() {
                        @Override
                        public void initChannel(SocketChannel ch) throws Exception {
                            ChannelPipeline p = ch.pipeline();
                            p.addLast(serverHandler);
                        }
                    });

            // Start the bootstrap.server.
            ChannelFuture f = b.bind(PORT).sync();

            // Wait until the bootstrap.server socket is closed.
            f.channel().closeFuture().sync();
        } finally {
            // Shut down all event loops to terminate all threads.
            bossGroup.shutdownGracefully();
            workerGroup.shutdownGracefully();
        }
    }

}