feat():获取服务器信息

version-2():添加游标，通过游标+1轮询IP列表，
下一步存入节点信息

pom.xml

@@ -55,6 +55,7 @@
             <version>2.0.46</version>
         </dependency>
 
+
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>

src/main/java/com/mobai/controller/FluxGetInfoController.java

@@ -1,12 +1,12 @@
 package com.mobai.controller;
 
+import com.mobai.domain.MqttServerModel;
 import com.mobai.domain.Result;
+import com.mobai.domain.VehicleConnectionReq;
 import com.mobai.service.FluxGetInfoService;
 import lombok.extern.log4j.Log4j2;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.*;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
 
 /**
  * @ClassName FluxGetInfo
@@ -16,7 +16,7 @@ import org.springframework.web.bind.annotation.RestController;
  */
 @RestController
 @Log4j2
-@RequestMapping("fluxmq")
+@RequestMapping("fluxmq/")
 public class FluxGetInfoController {
     @Autowired
     private FluxGetInfoService fluxGetInfoService;
@@ -25,4 +25,9 @@ public class FluxGetInfoController {
     public Result getInfo(){
         return fluxGetInfoService.getInfo(null);
     }
+
+    @PostMapping("/getIp")
+    public Result vehicleConnection(@RequestBody(required = false) VehicleConnectionReq req){
+        return fluxGetInfoService.vehicleConnection(req);
+    }
 }

src/main/java/com/mobai/domain/HttpStatus.java

@@ -0,0 +1,93 @@
+package com.mobai.domain;
+
+/**
+ * 返回状态码
+ *
+ * @author ruoyi
+ */
+public class HttpStatus {
+    /**
+     * 操作成功
+     */
+    public static final int SUCCESS = 200;
+
+    /**
+     * 对象创建成功
+     */
+    public static final int CREATED = 201;
+
+    /**
+     * 请求已经被接受
+     */
+    public static final int ACCEPTED = 202;
+
+    /**
+     * 操作已经执行成功，但是没有返回数据
+     */
+    public static final int NO_CONTENT = 204;
+
+    /**
+     * 资源已被移除
+     */
+    public static final int MOVED_PERM = 301;
+
+    /**
+     * 重定向
+     */
+    public static final int SEE_OTHER = 303;
+
+    /**
+     * 资源没有被修改
+     */
+    public static final int NOT_MODIFIED = 304;
+
+    /**
+     * 参数列表错误（缺少，格式不匹配）
+     */
+    public static final int BAD_REQUEST = 400;
+
+    /**
+     * 未授权
+     */
+    public static final int UNAUTHORIZED = 401;
+
+    /**
+     * 访问受限，授权过期
+     */
+    public static final int FORBIDDEN = 403;
+
+    /**
+     * 资源，服务未找到
+     */
+    public static final int NOT_FOUND = 404;
+
+    /**
+     * 不允许的http方法
+     */
+    public static final int BAD_METHOD = 405;
+
+    /**
+     * 资源冲突，或者资源被锁
+     */
+    public static final int CONFLICT = 409;
+
+    /**
+     * 不支持的数据，媒体类型
+     */
+    public static final int UNSUPPORTED_TYPE = 415;
+
+    /**
+     * 系统内部错误
+     */
+    public static final int ERROR = 500;
+
+    /**
+     * 接口未实现
+     */
+    public static final int NOT_IMPLEMENTED = 501;
+
+    /**
+     * 系统警告消息
+     */
+    public static final int WARN = 601;
+}

src/main/java/com/mobai/domain/MqttServerModel.java

@@ -0,0 +1,28 @@
+package com.mobai.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * @author DongZl
+ * @description: Mqtt服务器模型
+ * @Date 2024-3-26 上午 09:53
+ */
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class MqttServerModel {
+
+    /**
+     * MQTT服务节点
+     */
+    private String broker;
+
+    /**
+     * MQTT订阅主题
+     */
+    private String topic;
+}

src/main/java/com/mobai/domain/Result.java

@@ -1,33 +1,30 @@
 package com.mobai.domain;
 
-import lombok.AllArgsConstructor;
-import lombok.Builder;
 import lombok.Data;
-import lombok.NoArgsConstructor;
 
 import java.io.Serializable;
 
 /**
  * 响应信息主体
  *
- * @author mobai
+ * @author ruoyi
  */
 @Data
-@Builder
-@NoArgsConstructor
-@AllArgsConstructor
 public class Result<T> implements Serializable {
     /**
      * 成功
      */
-    public static final int SUCCESS = Constants.SUCCESS;
+    public static final int SUCCESS = HttpStatus.SUCCESS;
     /**
      * 失败
      */
-    public static final int FAIL = Constants.FAIL;
+    public static final int FAIL = HttpStatus.ERROR;
-
-
     private static final long serialVersionUID = 1L;
+    /**
+     * 系统警告消息
+     */
+    private static final int WARN = HttpStatus.WARN;
+
     private int code;
 
     private String msg;
@@ -35,11 +32,11 @@ public class Result<T> implements Serializable {
     private T data;
 
     public static <T> Result<T> success () {
-        return restResult(null, SUCCESS, null);
+        return restResult(null, SUCCESS, "操作成功");
     }
 
     public static <T> Result<T> success (T data) {
-        return restResult(data, SUCCESS, null);
+        return restResult(data, SUCCESS, "操作成功");
     }
 
     public static <T> Result<T> success (T data, String msg) {
@@ -47,7 +44,7 @@ public class Result<T> implements Serializable {
     }
 
     public static <T> Result<T> error () {
-        return restResult(null, FAIL, null);
+        return restResult(null, FAIL, "操作失败");
     }
 
     public static <T> Result<T> error (String msg) {
@@ -55,7 +52,7 @@ public class Result<T> implements Serializable {
     }
 
     public static <T> Result<T> error (T data) {
-        return restResult(data, FAIL, null);
+        return restResult(data, FAIL, "操作失败");
     }
 
     public static <T> Result<T> error (T data, String msg) {
@@ -66,16 +63,32 @@ public class Result<T> implements Serializable {
         return restResult(null, code, msg);
     }
 
+    public static <T> Result<T> warn () {
+        return restResult(null, WARN, "操作失败");
+    }
+
+    public static <T> Result<T> warn (String msg) {
+        return restResult(null, WARN, msg);
+    }
+
+    public static <T> Result<T> warn (T data) {
+        return restResult(data, WARN, "操作失败");
+    }
+
+    public static <T> Result<T> warn (T data, String msg) {
+        return restResult(data, WARN, msg);
+    }
+
     public static <T> Result<T> warn (int code, String msg) {
         return restResult(null, code, msg);
     }
 
     private static <T> Result<T> restResult (T data, int code, String msg) {
-        return Result.<T>builder()
+        Result<T> apiResult = new Result<>();
-                .code(code)
+        apiResult.setCode(code);
-                .data(data)
+        apiResult.setData(data);
-                .msg(msg)
+        apiResult.setMsg(msg);
-                .build();
+        return apiResult;
     }
 
     public static <T> Boolean isError (Result<T> ret) {
@@ -85,5 +98,4 @@ public class Result<T> implements Serializable {
     public static <T> Boolean isSuccess (Result<T> ret) {
         return Result.SUCCESS == ret.getCode();
     }
-
 }

src/main/java/com/mobai/domain/VehicleConnectionReq.java

@@ -0,0 +1,51 @@
+package com.mobai.domain;
+
+import com.alibaba.fastjson2.annotation.JSONField;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * @author DongZl
+ * @description: 车辆获取连接地址
+ * @Date 2023-11-28 上午 10:32
+ */
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class VehicleConnectionReq {
+
+    /**
+     * {
+     *     "vehicleVin": "VIN1234567894",
+     *     "timestamp": "11111",
+     *     "username": "你好",
+     *     "nonce": "33"
+     * }
+     */
+
+    /**
+     * vin
+     */
+    @JSONField(name = "vehicleVin")
+    private String vin;
+
+    /**
+     * 时间戳
+     */
+    private String timestamp;
+
+    /**
+     * 用户名
+     */
+    @JSONField(name = "username")
+    private String userName;
+
+    /**
+     * 随机字符串
+     */
+    private String nonce;
+
+}

src/main/java/com/mobai/openApi/SelectInstances.java

@@ -7,6 +7,7 @@ import com.aliyun.ecs20140526.models.DescribeInstancesResponse;
 import com.aliyun.ecs20140526.models.DescribeInstancesResponseBody;
 import com.aliyun.tea.TeaException;
 import com.mobai.domain.ApifoxModel;
+import com.mobai.domain.MqttServerModel;
 import com.mobai.domain.Result;
 import com.mobai.service.FluxGetInfoService;
 import lombok.AllArgsConstructor;
@@ -50,6 +51,7 @@ public class SelectInstances {
         return new com.aliyun.ecs20140526.Client(config);
     }
 
+    //    @Scheduled(cron = "0 0/10 * * * ? ")
     @Scheduled(cron = "0/10 * * * * ? ")
     public void saveIps() throws Exception {
         List<String> ips = new ArrayList<>();
@@ -126,35 +128,38 @@ public class SelectInstances {
             arithmet.put(node.getIp(), value);
         }// 根据权重总和计算每个节点的特定比例
         log.info("总可负载量：{}", arithmet);
-        List<String> ips = new ArrayList<>();
+        List<MqttServerModel> ips = new ArrayList<>();
         //获取每个ip的分配率
         for (String ip : arithmet.keySet()) {
             //概率
             BigDecimal probability = arithmet.get(ip).divide(sum, 4, BigDecimal.ROUND_HALF_UP).multiply(BigDecimal.valueOf(100));
             arithmet.put(ip, probability);
-            log.info("{}可负载率(权重值)：{}",ip, probability);
+            log.info("{}可负载率(权重值)：{}", ip, probability);
         }
         Set<String> ipSet = arithmet.keySet();
 
         BigDecimal finalSum = sum;
         Map<String, Integer> map = new HashMap<>();
         // 转换成数量
-        ipSet.forEach(ip ->
+        ipSet.forEach(ip -> map.put(ip, arithmet.get(ip).multiply(finalSum).intValue() / 100));
-                map.put(ip, arithmet.get(ip).multiply(finalSum).intValue() / 100)
-        );
         Long i = 0L;
-        log.info("ip对应可分配车辆：{}",map);
+        log.info("ip对应可分配车辆：{}", map);
         int sumInit = map.values().stream().mapToInt(num -> num).sum();
+
         while (true) {
             ipSet = map.keySet();
             Iterator<String> iterator = ipSet.iterator();
             i++;
             while (iterator.hasNext()) {
+                MqttServerModel mqttServerModel = new MqttServerModel();
                 String ip = iterator.next();
-                ips.add(ip);
+                for (SmallNode node : nodes) {
+                    if (node.ip.equals(ip)) mqttServerModel = new MqttServerModel(ip, "topic" + nodes.indexOf(node));
+                }
+                ips.add(mqttServerModel);
                 int i1 = map.get(ip) - 1;
                 map.put(ip, i1);
-                if (map.get(ip).equals(0)) {
+                if (i1 == 0) {
                     map.remove(ip);
                 }
             }
@@ -162,7 +167,7 @@ public class SelectInstances {
                 break;
             }
         }
-        redisTemplate.opsForValue().set("fluxMq", JSON.toJSONString(ips));
+        redisTemplate.opsForList().leftPush("fluxMq", JSON.toJSONString(ips));
         // 可负载IP轮询排列
         log.info("排列ip,{}", ips);
     }

src/main/java/com/mobai/service/FluxGetInfoService.java

@@ -1,6 +1,7 @@
 package com.mobai.service;
 
 import com.mobai.domain.Result;
+import com.mobai.domain.VehicleConnectionReq;
 
 /**
  * @ClassName FluxGetInfoService
@@ -12,4 +13,8 @@ public interface FluxGetInfoService {
 
     Result getInfo(String ip);
 
+
+
+    Result vehicleConnection(VehicleConnectionReq req);
+
 }

src/main/java/com/mobai/service/impl/FluxGetInfoServiceImpl.java

@@ -1,26 +1,20 @@
 package com.mobai.service.impl;
 
 import com.alibaba.fastjson2.JSON;
-import com.mobai.domain.AcceptToken;
+import com.mobai.domain.*;
-import com.mobai.domain.ApifoxModel;
-import com.mobai.domain.Result;
-import com.mobai.domain.User;
 import com.mobai.service.FluxGetInfoService;
-import okhttp3.*;
+import lombok.extern.log4j.Log4j2;
-import org.apache.catalina.authenticator.SpnegoAuthenticator;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.redis.core.RedisTemplate;
 import org.springframework.http.HttpEntity;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpMethod;
 import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Service;
-import org.springframework.util.LinkedMultiValueMap;
 import org.springframework.util.MultiValueMap;
 import org.springframework.web.client.RestTemplate;
 
-import java.io.IOException;
 import java.util.List;
-import java.util.Map;
 
 /**
  * @ClassName FluxGetInfoServiceImpl
@@ -28,23 +22,33 @@ import java.util.Map;
  * @Author SaiSai.Liu
  * @Date 2024/5/28 22:01
  */
+
+@Log4j2
 @Service
 public class FluxGetInfoServiceImpl implements FluxGetInfoService {
     @Autowired
     private RestTemplate restTemplate;
 
+    @Autowired
+    private RedisTemplate<String, String> redis;
+
+    /**
+     * 通过ip获取详细信息
+     *
+     * @param ip
+     * @return
+     */
     @Override
     public Result getInfo(String ip) {
         String url = null;
-        if (ip==null){
+        if (ip == null) {
-             url= "http://39.98.50.223:8080/public/";
+            url = "http://39.98.50.223:8080/public/";
-        }else {
+        } else {
-            url = "http://"+ip+":8080/public/";
+            url = "http://" + ip + ":8080/public/";
         }
         User user = new User("fluxmq", "fluxmq");
         //登录
-        AcceptToken token = restTemplate.postForObject(url+"login", user, AcceptToken.class);
+        AcceptToken token = restTemplate.postForObject(url + "login", user, AcceptToken.class);
-
         //请求头
         HttpHeaders headers = new HttpHeaders();
         headers.add("token", token.getAccessToken());
@@ -58,4 +62,33 @@ public class FluxGetInfoServiceImpl implements FluxGetInfoService {
 
         return Result.success(apifoxModel.get(0));
     }
+
+
+    @Override
+    public Result vehicleConnection(VehicleConnectionReq req) {
+        // "vehicleVin": "VIN1234567894"  vin
+        // "timestamp": "11111"           new Date().getMillis()
+        // "username": "你好"              Vin + timestamp
+        // "nonce": "33"                  随机
+        log.warn("参数为：{}", req);
+        String string = redis.opsForList().range("fluxMq", 0, -1).get(0);
+        List<MqttServerModel> mqtts = JSON.parseArray(string, MqttServerModel.class);
+        log.info("集合：{}",mqtts);
+        if (redis.hasKey("fluxMqIndex")) {
+            redis.opsForValue().increment("fluxMqIndex", 1);
+        } else {
+            redis.opsForValue().set("fluxMqIndex", 0 + "");
+        }
+        int index = Integer.valueOf(redis.opsForValue().get("fluxMqIndex"));
+        log.info("下标：{}",index);
+        MqttServerModel mqttServerModel = mqtts.get(index);
+        if (index + 1 == redis.opsForList().size("fluxmq")) {
+            redis.delete("fluxMqIndex");
+        }
+        log.info("已获取到对象：{}",mqttServerModel);
+        return Result.success(mqttServerModel);
+    }
+
 }
+
+// 达到60%开启新服务，30%关闭低实例

src/main/resources/application.yml

@@ -1,3 +1,5 @@
+server:
+  port: 8081
 spring:
   redis:
     host: 43.142.100.73