更新地图

whycxzp

2023-03-28 aaa2e601eb2a6806e761d4424fcaaf43a95fdcfd

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package com.whyc.webSocket;
 
import com.whyc.config.WebSocketConfig;
import com.whyc.dto.Response;
import com.whyc.pojo.StationInf;
import com.whyc.service.StationInfService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
 
import javax.websocket.*;
import javax.websocket.server.ServerEndpoint;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
 
/**
 * 运维层首页跳转
 */
@Component
@ServerEndpoint(value = "/devOpSkip", encoders = WebSocketEncoder.class, configurator = WebSocketConfig.class)
public class DevOpSkipSocket {
    private volatile Thread thread;
 
    private static final int executeTime = 5000;
 
    private volatile boolean runFlag = true;
 
    private volatile Map<String, Thread> threadMap = new HashMap<>();
 
    private volatile Map<Long, Boolean> threadFlagMap = new HashMap<>();
 
    private static StationInfService service;
 
    private Session session;
 
    @Autowired
    public void setStationInfService(StationInfService service) {
        DevOpSkipSocket.service = service;
    }
 
    @OnOpen
    public void onOpen(Session session, EndpointConfig config) {
        this.session = session;
        /*HttpSession httpSession = (HttpSession) config.getUserProperties().get("httpSession");
        UserInf user = (UserInf) httpSession.getAttribute("user");
        final int userId = user.getUId().intValue();*/
        final int userId = 1001;
        thread = new Thread("Thread_devOpSkip") {
            @Override
            public void run() {
                while (runFlag && !isInterrupted()) {
                    Thread thread = currentThread();
                    threadFlagMap.put(thread.getId(), true);
                    try {
                        if (session.isOpen()) {
                            //推送信息
                            synchronized (session) {
                                Map<String, Object> map = new HashMap<>();
                                //运维层首页：头部统计
                                Response skipHeadRes = service.getDevOpSkipHead(userId);
                                map.put("skipHeadRes", skipHeadRes);
                                //站点地图
                                List<StationInf> mapAndWorkStateList = service.getStationMapAndWorkState(userId);
                                map.put("stationMap", mapAndWorkStateList);
                                session.getBasicRemote().sendObject(new Response<>().setII(1, true, map, "运维层首页跳转"));
                            }
                            threadFlagMap.put(thread.getId(), false);
                        }
                        sleep(executeTime);
                        //} catch (IOException | InterruptedException | EncodeException e) {
                    } catch (Exception e) {
                        interrupt();
                    }
                }
            }
        };
        thread.start();
        threadFlagMap.put(thread.getId(), true);
        //停止老的socket线程
        Thread threadBefore = threadMap.get(session.getId());
        if (threadBefore != null && threadBefore.isAlive()) {
            while (threadFlagMap.get(threadBefore.getId())) {
            }
            threadBefore.interrupt();
        }
        //将线程存储,便于调用定位
        threadMap.put(session.getId(), this.thread);
    }
 
    @OnMessage
    public void onMessage(Session session, String message) {
 
    }
 
    @OnClose
    public void onClose(CloseReason closeReason) {
        System.err.println("closeReason = " + closeReason);
        runFlag = false;
        if (thread != null && thread.isAlive()) {
            thread.interrupt();
        }
        threadMap.remove(session.getId());
    }
 
    @OnError
    public void onError(Throwable error) {
        error.printStackTrace();
        if (thread != null && thread.isAlive()) {
            thread.interrupt();
        }
        threadMap.remove(session.getId());
    }
}