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whycxzp

2023-03-28 aaa2e601eb2a6806e761d4424fcaaf43a95fdcfd

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package com.whyc.webSocket;
 
import com.whyc.dto.Response;
import com.whyc.dto.paramter.Li9130Par;
import com.whyc.service.Li9130BmsAlmService;
import com.whyc.service.Li9130BmsStateService;
import com.whyc.util.ActionUtil;
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.Map;
 
@Component
@ServerEndpoint(value = "/li9130Bms",encoders = WebSocketEncoder.class)
public class Li9130BmsSocket {
    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 Li9130BmsStateService service;
 
    private static Li9130BmsAlmService almService;
 
    private Session session;
    @Autowired
    public void setService(Li9130BmsStateService service){
        Li9130BmsSocket.service = service;
    }
    @Autowired
    public void setService(Li9130BmsAlmService service){
        Li9130BmsSocket.almService = service;
    }
 
    @OnOpen
    public void onOpen(Session session){
        this.session=session;
    }
    @OnMessage
    public synchronized void onMessage(Session session, String message){
        Li9130Par li9130Par = ActionUtil.getGson().fromJson(message, Li9130Par.class);
        thread = new Thread("Thread_Li9130Bms") {
            public void run() {
                while (runFlag&&!isInterrupted()) {
                    Thread thread = currentThread();
                    threadFlagMap.put(thread.getId(),true);
                    try {
                        Map<String, Response> res=new HashMap<>();
                        //查询已确认信息
                        Response li9130BmsState =service.searchParam(li9130Par.getDevId(),li9130Par.getGroupNum());
                        res.put("li9130BmsState",li9130BmsState);
                        Response li9130BmsAlarms=almService.searchParam(li9130Par.getDevId(),li9130Par.getGroupNum());
                        res.put("li9130BmsAlarms",li9130BmsAlarms);
                        if (session.isOpen()) {
                            //推送信息
                            synchronized (session) {
                                session.getBasicRemote().sendObject(new Response().set(1, res));
                            }
                            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);
    }
 
    @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());
    }
}