摄像头信息

lxw

2023-09-05 3f6f5b4ae2d3779b600ea523e4905468f37ac6dd

摄像头信息

 src/main/java/com/whyc/service/CarCameraHisService.java

@@ -22,6 +22,7 @@
        PageHelper.startPage(pageCurr,pageSize);
        QueryWrapper wrapper=new QueryWrapper();
        wrapper.eq("carCameraId",carCameraId);
        wrapper.orderByDesc("record_time");
        List<CarCameraHis> list=hisMapper.selectList(wrapper);
        PageInfo pageInfo=new PageInfo(list);
        return new Response().setII(1,list.size()>0,pageInfo,"获取门禁历史数据");

 src/main/java/com/whyc/service/CarCameraService.java

@@ -11,6 +11,8 @@
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;


@Service
public class CarCameraService {
@@ -34,15 +36,10 @@
    }

    //获取门禁状态
    public Response getCarCameraRt(Login login)  {
    public Response getCarCameraRt()  {
        QueryWrapper wrapper=new QueryWrapper();
        wrapper.eq("ip",login.getIp());
        wrapper.last("limit 1");
        CarCameraInf carCameraInf=infMapper.selectOne(wrapper);
        QueryWrapper wrapper1=new QueryWrapper();
        wrapper1.eq("carCameraId",carCameraInf.getCarcameraId());
        wrapper1.last("limit 1");
        CarCamera carCamera=cameraMapper.selectOne(wrapper1);
        return new Response().setII(1,carCamera!=null,carCamera,"获取门禁状态");
        wrapper.orderByAsc("carcamera_id");
        List<CarCamera> list=cameraMapper.selectList(wrapper);
        return new Response().setII(1,list!=null,list,"获取门禁状态");
    }
}

 src/main/java/com/whyc/webSocket/CarCameraRTWebSocket.java

New file
@@ -0,0 +1,104 @@
package com.whyc.webSocket;

import com.google.gson.reflect.TypeToken;
import com.whyc.dto.Login;
import com.whyc.factory.ThreadPoolExecutorFactory;
import com.whyc.pojo.Response;
import com.whyc.service.CarCameraService;
import com.whyc.util.ActionUtil;
import com.whyc.util.WebSocketEncoderUtil;
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.List;
import java.util.Map;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

@Component
@ServerEndpoint(value = "/carCameraRtSocket",encoders = WebSocketEncoderUtil.class)
public class CarCameraRTWebSocket {
    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 CarCameraService service;

    private Session session;

    @Autowired
    public void setService(CarCameraService service){
        CarCameraRTWebSocket.service = service;
    }

    @OnOpen
    public void onOpen(Session session){
        this.session=session;
        thread = new Thread("Thread_carCameraRtSocket") {
            @Override
            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.getCarCameraRt());
                            }
                            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);
    }

    @OnMessage
    public void onMessage(Session session, String message){
    }

    @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());
    }
}