东峰接口

whycxzp

2025-03-26 b0c6b30f6627b9e07ee75a0926f5be43183d5c77

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package com.whyc.webSocket;
 
import com.whyc.service.DfxtBmsStateService;
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;
 
@ServerEndpoint(value = "/dfxtBmsState",encoders = WebSocketEncoder.class)
@Component
public class DfxtBmsStateSocket {
 
    private volatile Thread thread;
 
    private static final int executeTime = 4000;
 
    private volatile boolean runFlag=true;
 
    private static DfxtBmsStateService service;
 
    private volatile Map<String,Thread> threadMap = new HashMap<>();
 
    private volatile Map<Long,Boolean> threadFlagMap = new HashMap<>();
 
    private Session session;
 
    @Autowired
    public void setService(DfxtBmsStateService service) {
        DfxtBmsStateSocket.service = service;
    }
 
    @OnOpen
    public void onOpen(Session session){
        this.session=session;
    }
 
    @OnMessage
    public synchronized void onMessage(Session session,String msg){
        Integer devId = Integer.parseInt(msg);
        this.thread = new Thread("Thread_DfxtBmsStateSocket") {
            public void run() {
                while (runFlag && !isInterrupted()) {
                    Thread thread = currentThread();
                    threadFlagMap.put(thread.getId(), true);
                    try {
                        if (session.isOpen()) {
                            //推送信息
                            synchronized (session) {
                                session.getBasicRemote().sendObject(service.getByDevId(devId));
                            }
                            threadFlagMap.put(thread.getId(),false);
                        }
                        sleep(executeTime);
                        //} catch (IOException | InterruptedException | EncodeException e) {
                    } catch (Exception e) {
                        interrupt();
                    }
                }
            }
        };
        this.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());
    }
}