204 lines
8.4 KiB
Java
204 lines
8.4 KiB
Java
package com.muyu.template;
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import cn.hutool.json.JSONObject;
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import com.alibaba.fastjson2.JSON;
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import com.muyu.common.domain.*;
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import com.muyu.common.redis.service.RedisService;
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import lombok.extern.log4j.Log4j2;
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import org.springframework.data.redis.core.RedisTemplate;
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import javax.annotation.Resource;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.concurrent.Executors;
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import java.util.concurrent.ScheduledExecutorService;
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import java.util.concurrent.TimeUnit;
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/**
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* @author liuxinyue
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* @Package：com.muyu.template
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* @name：test
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* @Date：2024/10/4 9:42
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*/
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@Log4j2
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public class test {
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private static int DURATION_SECONDS = 60;
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private static List<JSONObject> receivedStrings = new ArrayList<>();
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private static int elapsedSeconds = 0;
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private static ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1);
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private static String file="elapsed";
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@Resource
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private RedisTemplate redisTemplate;
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@Resource
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private RedisService redisService;
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public void main(String[] args) {
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String message="7E 36 33 59 43 5a 44 59 36 33 33 36 43 38 48 34 43 41 31 37 32 37 36 36 38 35 39 37 37 38 39 31 32 31 2e 34 37 34 30 30 30 30 33 31 2e 32 33 30 30 30 31 30 31 38 2e 30 30 30 31 38 38 31 2e 37 39 30 30 30 30 35 36 31 30 30 30 33 31 30 30 30 36 38 39 39 30 30 30 30 30 50 31 30 39 30 39 2e 35 30 30 32 34 30 30 30 30 31 33 32 36 35 37 33 39 30 36 37 30 30 30 30 32 31 31 30 30 31 33 32 35 30 30 30 30 36 37 30 30 30 2e 32 32 30 30 30 30 37 35 30 30 30 30 31 33 31 30 30 30 30 35 37 30 30 30 30 33 30 30 30 34 30 30 30 37 39 30 30 30 30 32 30 30 30 30 30 31 37 30 30 30 30 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 55 7E";
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//车类型
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Long carTypeId=null;
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//查找车对应的类型
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List<SysCar> carList = redisService.getCacheList("car");
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for (SysCar sysCar : carList) {
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if(sysCar.getCarVin().equals("1HGCM82633A123456")){
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//获取到车的类型ID
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carTypeId = sysCar.getCarTypeId();
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}
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}
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//查找车类型对应的策略
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List<WarnStrategy> warnStrategyList = null;
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//该车绑定的报文模版
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Long templateId=null;
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//获取到车的类型之后 查找对应的策略
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List<WarnStrategy> warnStrategy = redisService.getCacheList("warnStrategy");
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for (WarnStrategy strategy : warnStrategy) {
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if(strategy.getCarTypeId().equals(carTypeId)){
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templateId=strategy.getTemplateId();
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warnStrategyList.add(strategy);
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}
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}
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//报文模版 根据templateId取出对应的模版
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List<MessageTemplateType> templateTypeList1=null;
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List<MessageTemplateType> templateTypeList = redisService.getCacheList("templateTypeList");
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for (MessageTemplateType messageTemplateType : templateTypeList) {
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if(messageTemplateType.getTemplateId().equals(templateId)){
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templateTypeList1.add(messageTemplateType);
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}
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}
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//获取策略对应的规则列表
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List<WarnRule> warnRule = redisService.getCacheList("warnRule");
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//车辆对应的规则
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List<WarnRule> warnRuleList = null;
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for (WarnRule rule : warnRule) {
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for (WarnStrategy strategy : warnStrategyList) {
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if(rule.getStrategyId()==strategy.getId()){
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warnRuleList.add(rule);
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}
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}
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}
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String templateIds=null;
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for (WarnRule rule : warnRuleList) {
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//滑窗时间
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Long slideTime = rule.getSlideTime();
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if(slideTime!=null){
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DURATION_SECONDS= Math.toIntExact(slideTime);
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}
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templateIds+=","+rule.getMsgTypeId();
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}
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String[] templateIdSplit = templateIds.split(",");
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//最终获取到的报文模版 使用他进行比较
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List<MessageTemplateType> messageTemplateTypes=null;
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for (String s : templateIdSplit) {
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for (MessageTemplateType messageTemplateType : templateTypeList1) {
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if(s.equals(messageTemplateType.getTemplateId())){
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messageTemplateTypes.add(messageTemplateType);
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}
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}
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}
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JSONObject entries = messageParsing(message);
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//将解析后的数据添加到List<JSONObject> receivedStrings中
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receivedStrings.add(entries);
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cleanUpOldStrings();
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checkForSpeeding();
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}
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// 清理超过指定秒数内的数据
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private static void cleanUpOldStrings() {
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long currentTime = System.currentTimeMillis();
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receivedStrings.removeIf(jsonObject ->
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currentTime - jsonObject.getLong("time") > TimeUnit.SECONDS.toMillis(DURATION_SECONDS)
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);
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}
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// 检查是否有超速情况
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private static void checkForSpeeding() {
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if (receivedStrings.size() < 2) return; // 如果数据不足，直接返回
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for (int i = 0; i < receivedStrings.size() - 1; i++) {
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JSONObject current = receivedStrings.get(i);
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JSONObject next = receivedStrings.get(i + 1);
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Short currentElapsed = current.getShort(file);
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Short nextElapsed = next.getShort(file);
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// 检查条件，如果相差大于12，则记录错误
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if (nextElapsed > currentElapsed + 12) {
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System.out.println("出错啦,出错啦,车子超速啦！！！");
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}
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}
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}
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//解析报文的方法
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public JSONObject messageParsing(String templateMessage) {
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//给一个JSON对象
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JSONObject jsonObject = new JSONObject();
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//先截取出VIN码 然后根据VIN码查询这个车属于什么类型
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if (templateMessage.length() < 18) {
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throw new RuntimeException("The vehicle message is incorrect");
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}
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//将报文进行切割
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String[] hexArray = templateMessage.split(" ");
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StringBuilder result = new StringBuilder();
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for (String hex : hexArray) {
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int decimal = Integer.parseInt(hex, 16);
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result.append((char) decimal);
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}
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//取出VIN码
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String carVin = result.substring(0, 18 - 1);
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log.info("carVin码为:" + carVin);
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//根据VIN码获取车辆信息
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SysCar carByVin = null;
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List<SysCar> carList = redisService.getCacheList("carList");
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for (SysCar sysCar : carList) {
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if(sysCar.getCarVin().equals(carVin)){
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carByVin=sysCar;
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}
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}
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log.info("车辆信息为:" + carByVin);
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//对应车辆所对应的报文模版
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Integer templateId = carByVin.getTemplateId();
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List<MessageTemplateType> templateTypeList;
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//key
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String redisKey = "messageTemplateType" + templateId;
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//key存在
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if (redisTemplate.hasKey(redisKey)) {
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List list = redisTemplate.opsForList().range(redisKey, 0, -1);
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templateTypeList = list.stream().map(o -> JSON.parseObject(o.toString(), MessageTemplateType.class))
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.toList();
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} else {
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List<MessageTemplateType> templateTypeList1=null;
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List<MessageTemplateType> templateTypeList2 = redisService.getCacheList("templateTypeList");
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for (MessageTemplateType messageTemplateType : templateTypeList2) {
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if(messageTemplateType.getTemplateId()==templateId){
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templateTypeList1.add(messageTemplateType);
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}
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}
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templateTypeList = templateTypeList1;
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templateTypeList.forEach(
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templateType ->
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redisTemplate.opsForList().rightPush(
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redisKey, JSON.toJSONString(templateType)
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)
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);
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}
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//将模版里面有的配置进行循环
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for (MessageTemplateType messageTemplateType : templateTypeList) {
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//开始位置
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Integer startIndex = messageTemplateType.getStartIndex() - 1;
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//结束位置
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Integer endIndex = messageTemplateType.getEndIndex();
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//将每个解析后的字段都存入到JSON对象中
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jsonObject.put(messageTemplateType.getMessageField(),result.substring(startIndex, endIndex));
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}
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log.info("解析后的报文是:" + jsonObject);
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return jsonObject;
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}
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}
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