socket接口更新

whyczh

2022-02-22 c79d97d8306d8b1dd67b74e7c4e09dd3dfefd72d

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package com.whyc.webSocket;
 
import com.whyc.dto.Response;
import com.whyc.dto.paramter.AlarmPar;
import com.whyc.dto.paramter.BattSparePar;
import com.whyc.service.BattalarmDataService;
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.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.CopyOnWriteArraySet;
 
@Component
@ServerEndpoint(value = "/battAlarmData",encoders = WebSocketEncoder.class)
public class BattAlarmDataSocket {
    private volatile Thread thread;
 
    private static final int executeTime = 5000;
 
    private static Map<String,Thread> threadMap = new HashMap<>();
 
    private static BattalarmDataService service;
 
    private boolean sendingFlag = false;
 
    private Session session;
    @Autowired
    public void setService(BattalarmDataService service){
        BattAlarmDataSocket.service = service;
    }
 
    @OnOpen
    public void  onOpen(Session session){
        this.session=session;
    }
    @OnMessage
    public void onMessage(Session session, String message){
        //停止当前socket的线程
        Thread threadBefore = threadMap.get(session.getId());
        if(threadBefore !=null && threadBefore.isAlive()){
            while (sendingFlag){
 
            }
            threadBefore.interrupt();
        }
        AlarmPar alarmPar = ActionUtil.getGson().fromJson(message, AlarmPar.class);
        thread = new Thread("Thread_battAlarmData") {
            public void run() {
                while (!currentThread().isInterrupted()) {
                    try {
                        sendingFlag = true;
                        Map<String, Response> res=new HashMap<>();
                        //查询已确认信息
                        alarmPar.setAlmIsConfirmed(1);
                        Response confirmedAlarms=service.serchByConditionOfWebSocket(alarmPar);
                        res.put("confirmedAlarms",confirmedAlarms);
                        alarmPar.setAlmIsConfirmed(0);
                        Response unconfirmedAlarms=service.serchByConditionOfWebSocket(alarmPar);
                        res.put("unconfirmedAlarms",unconfirmedAlarms);
                        if (session.isOpen()) {
                            //推送信息
                            session.getBasicRemote().sendObject(new Response().set(1,res));
                            sendingFlag = false;
                        }
                        sleep(executeTime);
                    } catch (IOException | InterruptedException | EncodeException e) {
                        interrupt();
                    }
                }
            }
        };
        thread.start();
        //将线程存储,便于调用定位
        threadMap.put(session.getId(), this.thread);
    }
 
    @OnClose
    public void onClose(){
        if (thread != null && thread.isAlive()) {
            thread.interrupt();
        }
    }
 
    @OnError
    public void onError(Throwable error) {
        error.printStackTrace();
        if (thread != null && thread.isAlive()) {
            thread.interrupt();
        }
    }
}