2026-01-16 zwy 轨迹数据在没有任务数据的情况下清空缓存

zhaowenyu

2026-01-16 aafd104dd7de1db565cd2081e8eb445d7a1bd481

 ard-sample/src/main/java/com/ard/sample/manage/service/impl/DockOnlineServiceImpl.java

@@ -2,22 +2,25 @@

import com.ard.common.core.redis.RedisConst;
import com.ard.common.core.redis.RedisOpsUtils;
import com.ard.sample.common.model.ResponseResult;
import com.ard.sample.component.websocket.enums.MessageType;
import com.ard.sample.component.websocket.handler.DockWebSocketHandler;
import com.ard.sample.component.websocket.handler.LiveStreamHandler;
import com.ard.sample.manage.model.dto.DeviceDTO;
import com.ard.sample.manage.model.dto.LiveDTO;
import com.ard.sample.manage.model.dto.LiveTypeDTO;
import com.ard.sample.manage.service.IDeviceService;
import com.ard.sample.manage.service.ILiveStreamService;
import com.fasterxml.jackson.databind.ObjectMapper;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@Slf4j
@Component
@@ -31,6 +34,12 @@

    @Autowired
    protected ObjectMapper _objectMapper;

    @Autowired
    private LiveStreamHandler _liveStreamHandler;

    @Autowired
    private ILiveStreamService _liveStreamService;

    /**
     * 定时任务，每2秒取一次机场设备的在线状态，如已离线更新状态
@@ -48,18 +57,26 @@
                RedisOpsUtils.del(RedisConst.WEBSOCKET_VIDEO_ADDRESS_PREFIX + device.getDeviceSn());
                RedisOpsUtils.del(RedisConst.COVER_STATE_PREFIX + device.getDeviceSn());
            }
            else {
                StartLiveStreaming(device.getDeviceSn());
            }
            if(!_deviceService.checkDeviceOnline(device.getChildDeviceSn())){
                _deviceService.updateWorkType(device.getChildDeviceSn(), 6L);
                RedisOpsUtils.del(RedisConst.WEBSOCKET_VIDEO_ADDRESS_PREFIX + device.getChildDeviceSn());
                RedisOpsUtils.del(RedisConst.COVER_STATE_PREFIX + device.getChildDeviceSn());
            }
            else{
                StartLiveStreaming(device.getChildDeviceSn());
            }

        }
    }

    /**
     * 定时任务，每1秒读一次redis的机场设备的状态，并发送到websocket客户端
     * */
    @Scheduled(cron = "0/1 * * * * ?")
    //@Scheduled(cron = "0/1 * * * * ?")
    @Scheduled(initialDelay = 2, fixedRate = 1, timeUnit = TimeUnit.SECONDS)
    public void sendDeviceStatus(){
        // 测试 机场oss读取文件
//        URL url = _ossService.getObjectUrl("kmz","/2025/11/25/新建航点航线(1)_20251125161322A001.kmz");
@@ -80,7 +97,7 @@

            // 发送给websocket客户端
            _dockWebSocketHandler.sendMessageToSubscribers(device.getDeviceSn(), MessageType.STATE.getType(), json, "");
            log.info("发送设备状态{}到websocket客户端：{}", MessageType.STATE.getType(), json);
//            log.info("发送设备状态{}到websocket客户端：{}", MessageType.STATE.getType(), json);
        }
    }

@@ -108,4 +125,45 @@

        return jsonString;
    }

    public void StartLiveStreaming(String sn) {
        //调用开始直播
        ResponseResult rlive = null;
        String resultLive = "";
        try {
            // 获取直播参数
            LiveTypeDTO param = _liveStreamHandler.getLiveParam(sn);
            // 判断param是否为空，不为空则返回正确的直播参数，为null则未获取直播参数，不为空则继续操作
            if (param == null) {
                log.info("SN: {}-未获取到直播参数param为null，无法开启直播！", sn);
                return;
            }
            // 如果存在直播则读取直播地址返回
            if (RedisOpsUtils.checkExist(RedisConst.WEBSOCKET_VIDEO_ADDRESS_PREFIX + sn)) {
                resultLive = String.valueOf(RedisOpsUtils.get(RedisConst.WEBSOCKET_VIDEO_ADDRESS_PREFIX + sn));
//                log.info("SN: {}-redis中存在相机的播放地址信息，直接返回地址！", sn);
            } else {
//                log.info("SN: {}-redis中未找到相机的播放地址信息！停止直播后再开启直播", sn);
                _liveStreamHandler.StopLiveStreaming(sn);
                // 如果不存在直播，则开始直播，并返回直播地址
                rlive = _liveStreamService.liveStart(param);
                if (rlive.getCode() == 0) {
                    // 直播成功后，在redis中存一个标记，将videoid保留，留给停止直播使用
                    log.info("SN: {}-开启直播成功！", sn);
                    rlive.setGateway(sn);
                    rlive.setType(MessageType.LIVESTREAM.getType());
                    resultLive = _objectMapper.writeValueAsString(rlive);
                    RedisOpsUtils.set(RedisConst.WEBSOCKET_VIDEO_ADDRESS_PREFIX + sn, resultLive);
                    LiveDTO live = (LiveDTO) rlive.getData();
                    Boolean isWeb = _deviceService.updateWebrtcUrl(sn,live.getWebrtcUrl());
//                    if (isWeb) {
//                        log.info("SN: {}-更新webrtc地址成功！", sn);
//                    }
                }
            }
        } catch (Exception e) {
            log.info("订时任务推流-SN: {}-开启直播失败！原因：{}", sn, e.getMessage());
            e.printStackTrace();
        }
    }
}