SpringBoot receives UDP message information integration Integration

overview

Since the HTTP protocol is too slow for real-time data transmission, UDP is used for data transmission. Let's see how it is implemented.

integration

<dependency>
    <groupId>org.springframework.integration</groupId>
    <artifactId>spring-integration-ip</artifactId>
</dependency>

Create a UDP service

package io.freeyou.socket.udp.server;

import io.freeyou.modules.internetBehavior.server.InternetBehaviorService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.integration.annotation.Filter;
import org.springframework.integration.annotation.Router;
import org.springframework.integration.annotation.ServiceActivator;
import org.springframework.integration.annotation.Transformer;
import org.springframework.integration.ip.udp.UnicastReceivingChannelAdapter;
import org.springframework.messaging.handler.annotation.Headers;
import org.springframework.messaging.handler.annotation.Payload;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;
import javax.servlet.ServletContextListener;
import java.util.Map;

@Slf4j
@Component
public class UdpClientServer implements ServletContextListener {
    
    

    @Value("${freeyou.udp.port:3514}")
    private Integer udpPort;

    @Resource
    private InternetBehaviorService internetBehaviorService;

    @Bean("UnicastReceivingChannelAdapter1")
    public UnicastReceivingChannelAdapter getUnicastReceivingChannelAdapter() {
    
    
        UnicastReceivingChannelAdapter adapter = new  UnicastReceivingChannelAdapter(udpPort);
        adapter.setOutputChannelName("udpChannel");
        adapter.setReceiveBufferSize(2048000);
        log.info("实例化UDP端口:{}", udpPort);
        return adapter;
    }

    /**
     * 转换器
     */
    @Transformer(inputChannel = "udpChannel", outputChannel = "udpFilter")
    public String transformer(@Payload byte[] payload, @Headers Map<String, Object> headers) {
    
    
        String message = new String(payload);
        return message;
    }

    /**
     * 过滤器
     */
    @Filter(inputChannel = "udpFilter", outputChannel = "udpRouter")
    public boolean filter(String message, @Headers Map<String, Object> headers) {
    
    

        return true;
    }

    /**
     * 路由分发处理器
     */
    @Router(inputChannel = "udpRouter")
    public String router(String message, @Headers Map<String, Object> headers) {
    
    

        return "udpHandle1";
    }

    /**
     * 最终处理器1
     */
    @ServiceActivator(inputChannel = "udpHandle1")
    public void udpMessageHandle(String message) throws Exception {
    
    
        // 可以进行异步处理
        /*ObjectMapper objectMapper = new ObjectMapper();
        CameraReq req = objectMapper.readValue(message, CameraReq.class);
        newLocatorService.storeCameraInfo(req);*/
        log.debug("接收udp数据，message:" + message);
        internetBehaviorService.sendAliLogStore(message);
    }

    /**
     * 最终处理器2
     */
    @ServiceActivator(inputChannel = "udpHandle2")
    public void udpMessageHandle2(String message) throws Exception {
    
    
        log.info("UDP2:" + message);
    }
}

configuration file yml

freeyou:
    udp:
        port: 3514
        max-size: 4096

Test Results

UDP client tool sockettool download
link: https://pan.baidu.com/s/18zDilHG6CvMvxVmJlL-5Yw?pwd=xbqa
Extraction code: xbqa