From 869f4391a2373fc9f9cb8957b1eeafb370a79e3c Mon Sep 17 00:00:00 2001
From: one <qq2608602813@qq.com>
Date: Mon, 4 Dec 2023 13:36:08 +0800
Subject: [PATCH] =?UTF-8?q?webSocket=E5=AE=8C=E5=96=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../server/websocket/WebSocketServer.java     | 83 ++++++++++++-------
 1 file changed, 52 insertions(+), 31 deletions(-)

diff --git a/car-business-server/src/main/java/com/god/base/server/websocket/WebSocketServer.java b/car-business-server/src/main/java/com/god/base/server/websocket/WebSocketServer.java
index 68a42f2..ab65f73 100644
--- a/car-business-server/src/main/java/com/god/base/server/websocket/WebSocketServer.java
+++ b/car-business-server/src/main/java/com/god/base/server/websocket/WebSocketServer.java
@@ -1,17 +1,24 @@
 package com.god.base.server.websocket;
 
 import com.alibaba.fastjson.JSON;
-import com.mysql.cj.xdevapi.JsonString;
+
+import com.god.common.core.utils.SpringUtils;
+import lombok.AllArgsConstructor;
+import lombok.NoArgsConstructor;
+import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
-import org.springframework.messaging.simp.annotation.SendToUser;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Component;
-import springfox.documentation.spring.web.json.Json;
 
 import javax.websocket.*;
 import javax.websocket.server.PathParam;
 import javax.websocket.server.ServerEndpoint;
-import java.util.Arrays;
-import java.util.Objects;
+import java.math.BigDecimal;
+import java.util.*;
+
+import com.god.common.redis.service.RedisService;
+
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.CopyOnWriteArraySet;
 
@@ -27,6 +34,15 @@ import java.util.concurrent.CopyOnWriteArraySet;
 @ServerEndpoint("/websocket/{vin}")
 public class WebSocketServer{
 
+    /**
+     * 注入redis
+     */
+    @Autowired
+    private RedisService redisService = SpringUtils.getBean(RedisService.class);
+//    @Autowired
+//    public WebSocketServer(RedisService redisService) {
+//        this.redisService = redisService;
+//    }
     /**
      *与某个客户端建立连接会话 通过session给客户端发送消息
      */
@@ -37,6 +53,11 @@ public class WebSocketServer{
      */
     private String vin;
 
+    /**
+     * redis轨迹标识
+     */
+    public static final String ALL_LOCUS_INFO = "all_locus_info";
+
     /**
      * concurrent包的线程安全Set，用来存放每个客户端对应的MyWebSocket对象。
      * 虽然@Component默认是单例模式的，但springboot还是会为每个websocket连接初始化一个bean，所以可以用一个静态set保存起来。
@@ -49,6 +70,8 @@ public class WebSocketServer{
      */
     private static final ConcurrentHashMap<String,Session> map = new  ConcurrentHashMap<>();
 
+
+
     /**
      * 连接事件
      * @param session
@@ -62,32 +85,8 @@ public class WebSocketServer{
             webSocketServers.add(this);
             map.put(vin,session);
             log.info("【webSocket消息】 有新的连接，总数为："+webSocketServers.size());
-            //发送实时轨迹数据
-            double[][] arr = new double[][]{
-                    {116.478935,39.997761},
-                    {116.478939,39.997825},
-                    {116.478912,39.998549},
-                    {116.478998,39.998555},
-                    {116.479282,39.99856},
-                    {116.479658,39.998528},
-                    {116.480151,39.998453},
-                    {116.480784,39.998302},
-                    {116.481149,39.998184},
-                    {116.481573,39.997997},
-                    {116.481863,39.997846},
-                    {116.482072,39.997718},
-                    {116.482362,39.997718},
-                    {116.483633,39.998935},
-                    {116.48367,39.998968},
-                    {116.484648,39.999861}
-            };
-
-            for (double[] doubles : arr) {
-                Thread.sleep(500);
-                String string = Arrays.toString(doubles);
-                System.out.println(string);
-                Thread.sleep(1000);
-                sendOneMessage(vin , string);
+            if (webSocketServers.size() == 1) {
+                timedMsg();
             }
         }catch (Exception e){
             log.info("【webSocket消息】 客户端 {} 连接失败",vin);
@@ -95,6 +94,28 @@ public class WebSocketServer{
         }
     }
 
+
+    public void timedMsg(){
+        new Thread(() -> {
+            while (!map.isEmpty()) {
+                try {
+                    map.forEach((key,session) -> {
+                        if (session.isOpen()){
+                            Map<String, Object> cacheMap = redisService.getCacheMap(ALL_LOCUS_INFO);
+                            ArrayList<ArrayList<BigDecimal>> orDefault = (ArrayList<ArrayList<BigDecimal>>) cacheMap.getOrDefault(key, new ArrayList<ArrayList<BigDecimal>>());
+                            ArrayList<BigDecimal> bigDecimals = orDefault.get(orDefault.size() - 1);
+                            log.info("【webSocket消息】服务端发起了广播消息：{}",bigDecimals.toString());
+                            sendOneMessage(key, JSON.toJSONString(bigDecimals));
+                        }
+                    });
+                    Thread.sleep(1800);
+                } catch (InterruptedException e) {
+                    throw new RuntimeException(e);
+                }
+            }
+        }).start();
+    }
+
     /**
      * 连接关闭调用的方法
      */