websocket接口更新

whyczh

2022-02-25 1469fdca0a5f50344876cccdf743ca9c831d009f

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package com.whyc.webSocket;
 
import com.whyc.dto.Response;
import com.whyc.pojo.Fbs9100State;
import com.whyc.service.Fbs9100StateService;
import com.whyc.util.ActionUtil;
import net.sf.json.JSON;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
 
import javax.websocket.*;
import javax.websocket.server.PathParam;
import javax.websocket.server.ServerEndpoint;
import java.io.IOException;
import java.lang.reflect.AccessibleObject;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.CopyOnWriteArraySet;
 
@ServerEndpoint(value = "/deviceWorkState",encoders = WebSocketEncoder.class)
@Component
public class DeviceWorkStateSocket {
 
    private volatile Thread thread;
 
    private static final int executeTime = 15000;
 
    private static Fbs9100StateService service;
 
    private static Map<String,Thread> threadMap = new HashMap<>();
 
    private volatile Map<Long,Boolean> threadFlagMap = new HashMap<>();
 
    private Session session;
 
    @Autowired
    public void setService(Fbs9100StateService service) {
        DeviceWorkStateSocket.service = service;
    }
 
    @OnOpen
    public void onOpen(Session session){
        this.session=session;
    }
 
    @OnMessage
    public synchronized void onMessage(Session session,String msg){
        Fbs9100State stateParam = ActionUtil.getGson().fromJson(msg, Fbs9100State.class);
        this.thread = new Thread("Thread_DeviceWorkState") {
            public void run() {
                while (true) {
                    Thread thread = currentThread();
                    threadFlagMap.put(thread.getId(), true);
                    try {
                        if (session.isOpen()) {
                            //推送信息
                            synchronized (session) {
                                session.getBasicRemote().sendObject(service.getList(stateParam.getDevId().intValue(),stateParam.getDevWorkstate(),Long.parseLong(stateParam.getNote())));
                            }
                            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);
        if (thread != null && thread.isAlive()) {
            thread.interrupt();
        }
    }
 
    @OnError
    public void onError(Throwable error) {
        error.printStackTrace();
        if (thread != null && thread.isAlive()) {
            thread.interrupt();
        }
    }
}