org.vootoo.server.netty.SolrNettyServer.java Source code

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Here is the source code for org.vootoo.server.netty.SolrNettyServer.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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 org.vootoo.server.netty;

import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelFuture;
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 org.apache.solr.core.CoreContainer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.vootoo.server.ExecutorConfig;
import org.vootoo.server.RequestExecutor;

/**
 * solr netty server
 */
public class SolrNettyServer {
    private static final Logger logger = LoggerFactory.getLogger(SolrNettyServer.class);

    private final int port;

    private final CoreContainer coreContainer;

    private RequestExecutor queryExecutor;
    private RequestExecutor updateExecutor;

    protected ExecutorConfig queryConfig = ExecutorConfig.createDefault().setName("query-executor");
    protected ExecutorConfig updateConfig = ExecutorConfig.createDefault().setName("update-executor")
            .setThreadNum(40);

    private int bossWorkerNum = Math.max(1, Runtime.getRuntime().availableProcessors() - 1);
    private int ioWorkerNum = Runtime.getRuntime().availableProcessors() * 2;
    protected ChannelHandlerConfigs handlerConfigs = new ChannelHandlerConfigs();

    protected volatile Channel serverChannel;

    protected Thread asyncNettyRunner;

    public SolrNettyServer(CoreContainer cores, int port) {
        this.coreContainer = cores;
        this.port = port;
    }

    public void startServer(boolean sync) throws Exception {
        if (sync) {
            startNetty();
        } else {
            asyncNettyRunner = new Thread(new Runnable() {
                @Override
                public void run() {
                    try {
                        startNetty();
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }
            }, "async-netty-runner");

            asyncNettyRunner.start();
        }
    }

    protected void startNetty() throws Exception {
        logger.info("netty server starting port={} ...", port);
        queryExecutor = new RequestExecutor(queryConfig);
        updateExecutor = new RequestExecutor(updateConfig);

        EventLoopGroup bossGroup = new NioEventLoopGroup(bossWorkerNum);
        EventLoopGroup workerGroup = new NioEventLoopGroup(ioWorkerNum);
        try {
            ServerBootstrap b = new ServerBootstrap();
            b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                    .handler(new LoggingHandler(LogLevel.INFO)).childHandler(new SolrServerChannelInitializer(
                            coreContainer, handlerConfigs, queryExecutor, updateExecutor));

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

            logger.info("netty server started port={}", port);

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

            // Wait until all threads are terminated.
            bossGroup.terminationFuture().sync();
            workerGroup.terminationFuture().sync();
        }
    }

    public void stopServer() throws Exception {
        if (serverChannel != null) {
            logger.info("server channel closing ...");
            serverChannel.close();
            logger.info("server channel is closed");
        }
    }

    public int getBossWorkerNum() {
        return bossWorkerNum;
    }

    public void setBossWorkerNum(int bossWorkerNum) {
        this.bossWorkerNum = bossWorkerNum;
    }

    public int getIoWorkerNum() {
        return ioWorkerNum;
    }

    public void setIoWorkerNum(int ioWorkerNum) {
        this.ioWorkerNum = ioWorkerNum;
    }

    public ExecutorConfig getQueryConfig() {
        return queryConfig;
    }

    public void setQueryConfig(ExecutorConfig queryConfig) {
        this.queryConfig = queryConfig;
    }

    public ExecutorConfig getUpdateConfig() {
        return updateConfig;
    }

    public void setUpdateConfig(ExecutorConfig updateConfig) {
        this.updateConfig = updateConfig;
    }
}