实时信息推送

whyclxw

2024-11-29 a1acba74cdb0738bd1f1594c42cf6b976949b0d3

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package com.whyc.webSocket;
 
import com.whyc.config.WebSocketConfig;
import com.whyc.dto.Response;
import com.whyc.pojo.db_power_fk_inf.PowerFkInf;
import com.whyc.pojo.db_power_fk_rt.PowerState;
import com.whyc.pojo.db_user.UserInf;
import com.whyc.service.PowerFkInfService;
import com.whyc.service.PowerStateService;
import com.whyc.util.ActionUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
 
import javax.servlet.http.HttpSession;
import javax.websocket.*;
import javax.websocket.server.ServerEndpoint;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
 
 
/**
 * 设备实时连接信息
 */
@Component
@ServerEndpoint(value = "/powerSocket",encoders = WebSocketEncoder.class,configurator = WebSocketConfig.class)
public class PowerInfRtSocket {
    private Session session;
 
    private Thread thread;
 
    private static PowerFkInfService infService;
 
    private static PowerStateService stateService;
 
 
 
    private volatile boolean runFlag = true;
 
    private volatile Map<String, Thread> threadMap = new HashMap<>();
 
    private volatile Map<Long,Boolean> threadFlagMap = new HashMap<>();
 
    @Autowired
    public void setPowerFkInfService(PowerFkInfService infService) {
        PowerInfRtSocket.infService = infService;
    }
 
    @Autowired
    public void setPowerStateService(PowerStateService stateService) {
        PowerInfRtSocket.stateService = stateService;
    }
 
 
    @OnOpen
    public void onOpen(Session session){
        Thread thread = new Thread() {
            @Override
            public void run() {
                try {
                    while (!currentThread().isInterrupted()) {
                        Response res = getPowerInfRt();
                        session.getBasicRemote().sendObject(res);
                        sleep(4000);
                    }
                } catch (Exception e) {
                    this.interrupt();
                }
            }
        };
        thread.start();
        this.thread = thread;
    }
    //实时数据
    private Response getPowerInfRt() {
        List list=infService.getPowerInfRt();
        return new Response().setII(1,true,list,"实时数据");
    }
 
 
    @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());
    }
}