netty之SpringBoot+Netty+Elasticsearch收集日志信息数据存储

前言

将大量的业务以及用户行为数据存储起来用于分析处理，但是由于数据量较大且需要具备可分析功能所以将数据存储到文件系统更为合理。尤其是一些互联网高并发级应用，往往数据库都采用分库分表设计，那么将这些分散的数据通过binlog汇总到一个统一的文件系统就显得非常有必要。

#开发环境
在这里插入图片描述
环境准备
windows安装包下载
注意 es是以来java环境所以需要安装jdk 支持1.7以上
es-hander下载可视化操作插件

@Document(indexName = "stack", type = "group_user")
public class User {

    @Id
    private String id;
    private String name;   //姓名
    private Integer age;   //年龄
    private String level;  //级别
    private Date entryDate;//时间
    private String mobile; //电话
    private String email;  //邮箱
    private String address;//地址


    public User(String id, String name, Integer age, String level, Date entryDate, String mobile, String email, String address) {
        this.id = id;
        this.name = name;
        this.age = age;
        this.level = level;
        this.entryDate = entryDate;
        this.mobile = mobile;
        this.email = email;
        this.address = address;

    }

    public String getId() {
        return id;
    }

    public void setId(String id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public Integer getAge() {
        return age;
    }

    public void setAge(Integer age) {
        this.age = age;
    }

    public String getLevel() {
        return level;
    }

    public void setLevel(String level) {
        this.level = level;
    }

    public Date getEntryDate() {
        return entryDate;
    }

    public void setEntryDate(Date entryDate) {
        this.entryDate = entryDate;
    }

    public String getMobile() {
        return mobile;
    }

    public void setMobile(String mobile) {
        this.mobile = mobile;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public String getAddress() {
        return address;
    }

    public void setAddress(String address) {
        this.address = address;
    }
}

@Service("myServerHandler")
public class MyServerHandler extends ChannelInboundHandlerAdapter {

    private Logger logger = LoggerFactory.getLogger(MyServerHandler.class);

    @Autowired
    private UserService userService;

    /**
     * 当客户端主动链接服务端的链接后，这个通道就是活跃的了。也就是客户端与服务端建立了通信通道并且可以传输数据
     */
    @Override
    public void channelActive(ChannelHandlerContext ctx) throws Exception {
        SocketChannel channel = (SocketChannel) ctx.channel();
        logger.info("链接报告开始");
        logger.info("链接报告信息：有一客户端链接到本服务端");
        logger.info("链接报告IP:{}", channel.localAddress().getHostString());
        logger.info("链接报告Port:{}", channel.localAddress().getPort());
        logger.info("链接报告完毕");
    }

    /**
     * 当客户端主动断开服务端的链接后，这个通道就是不活跃的。也就是说客户端与服务端的关闭了通信通道并且不可以传输数据
     */
    @Override
    public void channelInactive(ChannelHandlerContext ctx) throws Exception {
        logger.info("客户端断开链接{}", ctx.channel().localAddress().toString());
    }

    @Override
    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
        //接收msg消息{与上一章节相比，此处已经不需要自己进行解码}
        logger.info(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()) + " 服务端接收到消息：" + JSON.toJSONString(msg));
        //接收数据写入到Elasticsearch
        TransportProtocol transportProtocol = (TransportProtocol) msg;
        userService.save((User) transportProtocol.getObj());
    }

    /**
     * 抓住异常，当发生异常的时候，可以做一些相应的处理，比如打印日志、关闭链接
     */
    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
        ctx.close();
        logger.info("异常信息：\r\n" + cause.getMessage());
    }

}

@Component("nettyServer")
public class NettyServer {

    private Logger logger = LoggerFactory.getLogger(NettyServer.class);

    @Resource
    private MyChannelInitializer myChannelInitializer;

    //配置服务端NIO线程组
    private final EventLoopGroup parentGroup = new NioEventLoopGroup(); //NioEventLoopGroup extends MultithreadEventLoopGroup Math.max(1, SystemPropertyUtil.getInt("io.netty.eventLoopThreads", NettyRuntime.availableProcessors() * 2));
    private final EventLoopGroup childGroup = new NioEventLoopGroup();
    private Channel channel;

    public ChannelFuture bing(InetSocketAddress address) {
        ChannelFuture channelFuture = null;
        try {
            ServerBootstrap b = new ServerBootstrap();
            b.group(parentGroup, childGroup)
                    .channel(NioServerSocketChannel.class)    //非阻塞模式
                    .option(ChannelOption.SO_BACKLOG, 128)
                    .childHandler(myChannelInitializer);

            channelFuture = b.bind(address).syncUninterruptibly();
            channel = channelFuture.channel();
        } catch (Exception e) {
            logger.error(e.getMessage());
        } finally {
            if (null != channelFuture && channelFuture.isSuccess()) {
                logger.info("itstack-demo-netty server start done. {关注明哥，获取源码}");
            } else {
                logger.error("itstack-demo-netty server start error. {关注明哥，获取源码}");
            }
        }
        return channelFuture;
    }

    public void destroy() {
        if (null == channel) return;
        channel.close();
        parentGroup.shutdownGracefully();
        childGroup.shutdownGracefully();
    }

    public Channel getChannel() {
        return channel;
    }

}


public interface UserService {

    void save(User user);

    void deleteById(String id);

    User queryUserById(String id);

    Iterable<User> queryAll();

    Page<User> findByName(String name, PageRequest request);

}

提供一个可拓展的操作实体表的接口


public interface UserRepository extends ElasticsearchRepository<User, String> {

    Page<User> findByName(String name, Pageable pageable);

}

@Service("userService")
public class UserServiceImpl implements UserService {

    private UserRepository dataRepository;

    @Autowired
    public void setDataRepository(UserRepository dataRepository) {
        this.dataRepository = dataRepository;
    }

    @Override
    public void save(User user) {
        dataRepository.save(user);
    }

    @Override
    public void deleteById(String id) {
        dataRepository.deleteById(id);
    }

    @Override
    public User queryUserById(String id) {
        Optional<User> optionalUser = dataRepository.findById(id);
        return optionalUser.get();
    }

    @Override
    public Iterable<User> queryAll() {
        return dataRepository.findAll();
    }

    @Override
    public Page<User> findByName(String name, PageRequest request) {
        return dataRepository.findByName(name, request);
    }

}

@RestController
public class NettyController {

    @Resource
    private NettyServer nettyServer;

    @RequestMapping("/localAddress")
    public String localAddress() {
        return "nettyServer localAddress " + nettyServer.getChannel().localAddress();
    }

}

@SpringBootApplication
public class Application implements CommandLineRunner {

    private Logger logger = LoggerFactory.getLogger(Application.class);

    @Value("${netty.host}")
    private String host;
    @Value("${netty.port}")
    private int port;
    @Resource
    private NettyServer nettyServer;

    public static void main(String[] args) {
        System.setProperty("es.set.netty.runtime.available.processors", "false");
        SpringApplication.run(Application.class, args);
    }

    @Override
    public void run(String... args) throws Exception {
        InetSocketAddress address = new InetSocketAddress(host, port);
        ChannelFuture channelFuture = nettyServer.bing(address);
        Runtime.getRuntime().addShutdownHook(new Thread(() -> nettyServer.destroy()));
        channelFuture.channel().closeFuture().syncUninterruptibly();
    }

}

## 服务端口
server.port = 8080

## Netty服务端配置
netty.host = 127.0.0.1
netty.port = 7397

## Elasticsearch配置｛更换为自己的cluster-name、cluster-nodes｝
spring.data.elasticsearch.cluster-name=es-itstack
spring.data.elasticsearch.cluster-nodes=127.0.0.1:9300
spring.data.elasticsearch.repositories.enabled=true

ApiTest.java *Netty客户端，用于向服务端发送数据

public class ApiTest {

    public static void main(String[] args) {
        System.out.println("hi 微信公众号：关注明哥");
        EventLoopGroup workerGroup = new NioEventLoopGroup();
        try {
            Bootstrap b = new Bootstrap();
            b.group(workerGroup);
            b.channel(NioSocketChannel.class);
            b.option(ChannelOption.AUTO_READ, true);
            b.handler(new ChannelInitializer<SocketChannel>() {
                @Override
                protected void initChannel(SocketChannel channel) throws Exception {
                    //对象传输处理
                    channel.pipeline().addLast(new ObjDecoder(TransportProtocol.class));
                    channel.pipeline().addLast(new ObjEncoder(TransportProtocol.class));
                    // 在管道中添加我们自己的接收数据实现方法
                    channel.pipeline().addLast(new ChannelInboundHandlerAdapter() {
                        @Override
                        public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {

                        }
                    });
                }
            });
            ChannelFuture f = b.connect("127.0.0.1", 7397).sync();
            System.out.println("itstack-demo-netty client start done. {关注明哥，获取源码}");

            TransportProtocol tp1 = new TransportProtocol(1, new User(UUID.randomUUID().toString(), "李小明", 1, "T0-1", new Date(), "13566668888", "184172133@qq.com", "北京"));
            TransportProtocol tp2 = new TransportProtocol(1, new User(UUID.randomUUID().toString(), "张大明", 2, "T0-2", new Date(), "13566660001", "huahua@qq.com", "南京"));
            TransportProtocol tp3 = new TransportProtocol(1, new User(UUID.randomUUID().toString(), "李书鹏", 2, "T1-1", new Date(), "13566660002", "xiaobai@qq.com", "榆树"));
            TransportProtocol tp4 = new TransportProtocol(1, new User(UUID.randomUUID().toString(), "韩小雪", 2, "T2-1", new Date(), "13566660002", "xiaobai@qq.com", "榆树"));
            TransportProtocol tp5 = new TransportProtocol(1, new User(UUID.randomUUID().toString(), "董叔飞", 2, "T4-1", new Date(), "13566660002", "xiaobai@qq.com", "河北"));
            TransportProtocol tp6 = new TransportProtocol(1, new User(UUID.randomUUID().toString(), "候明相", 2, "T5-1", new Date(), "13566660002", "xiaobai@qq.com", "下花园"));
            TransportProtocol tp7 = new TransportProtocol(1, new User(UUID.randomUUID().toString(), "田明明", 2, "T3-1", new Date(), "13566660002", "xiaobai@qq.com", "东平"));
            TransportProtocol tp8 = new TransportProtocol(1, new User(UUID.randomUUID().toString(), "王大伟", 2, "T4-1", new Date(), "13566660002", "xiaobai@qq.com", "西湖"));
            TransportProtocol tp9 = new TransportProtocol(1, new User(UUID.randomUUID().toString(), "李雪明", 2, "T1-1", new Date(), "13566660002", "xiaobai@qq.com", "南昌"));
            TransportProtocol tp10 = new TransportProtocol(1, new User(UUID.randomUUID().toString(), "朱小飞", 2, "T2-1", new Date(), "13566660002", "xiaobai@qq.com", "吉林"));
            TransportProtocol tp11 = new TransportProtocol(1, new User(UUID.randomUUID().toString(), "牛大明", 2, "T1-1", new Date(), "13566660002", "xiaobai@qq.com", "长春"));
            TransportProtocol tp12 = new TransportProtocol(1, new User(UUID.randomUUID().toString(), "关雪儿", 2, "T2-1", new Date(), "13566660002", "xiaobai@qq.com", "深圳"));

            //向服务端发送信息
            f.channel().writeAndFlush(tp1);
            f.channel().writeAndFlush(tp2);
            f.channel().writeAndFlush(tp3);
            f.channel().writeAndFlush(tp4);
            f.channel().writeAndFlush(tp5);
            f.channel().writeAndFlush(tp6);
            f.channel().writeAndFlush(tp7);
            f.channel().writeAndFlush(tp8);
            f.channel().writeAndFlush(tp9);
            f.channel().writeAndFlush(tp10);
            f.channel().writeAndFlush(tp11);
            f.channel().writeAndFlush(tp12);

            f.channel().closeFuture().syncUninterruptibly();
        } catch (InterruptedException e) {
            e.printStackTrace();
        } finally {
            workerGroup.shutdownGracefully();
        }
    }

}