| package com.genersoft.iot.vmp.gb28181.event.online;  | 
|   | 
| import com.genersoft.iot.vmp.conf.SipConfig;  | 
| import com.genersoft.iot.vmp.conf.UserSetting;  | 
| import com.genersoft.iot.vmp.gb28181.bean.Device;  | 
| import com.genersoft.iot.vmp.gb28181.bean.DeviceChannel;  | 
| import com.genersoft.iot.vmp.gb28181.event.EventPublisher;  | 
| import com.genersoft.iot.vmp.gb28181.event.subscribe.catalog.CatalogEvent;  | 
| import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommander;  | 
| import com.genersoft.iot.vmp.service.IDeviceService;  | 
| import org.slf4j.Logger;  | 
| import org.slf4j.LoggerFactory;  | 
| import org.springframework.beans.factory.annotation.Autowired;  | 
| import org.springframework.context.ApplicationListener;  | 
| import org.springframework.stereotype.Component;  | 
|   | 
| import com.genersoft.iot.vmp.common.VideoManagerConstants;  | 
| import com.genersoft.iot.vmp.storager.IVideoManagerStorage;  | 
| import com.genersoft.iot.vmp.utils.redis.RedisUtil;  | 
|   | 
| import java.text.SimpleDateFormat;  | 
| import java.util.List;  | 
|   | 
| /**  | 
|  * @description: 在线事件监听器,监听到离线后,修改设备离在线状态。 设备在线有两个来源:  | 
|  *               1、设备主动注销,发送注销指令  | 
|  *               2、设备未知原因离线,心跳超时  | 
|  * @author: swwheihei  | 
|  * @date: 2020年5月6日 下午1:51:23  | 
|  */  | 
| @Component  | 
| public class OnlineEventListener implements ApplicationListener<OnlineEvent> {  | 
|       | 
|     private final static Logger logger = LoggerFactory.getLogger(OnlineEventListener.class);  | 
|   | 
|     @Autowired  | 
|     private IVideoManagerStorage storager;  | 
|   | 
|     @Autowired  | 
|     private IDeviceService deviceService;  | 
|       | 
|     @Autowired  | 
|     private RedisUtil redis;  | 
|   | 
|     @Autowired  | 
|     private SipConfig sipConfig;  | 
|   | 
|     @Autowired  | 
|     private UserSetting userSetting;  | 
|   | 
|     @Autowired  | 
|     private EventPublisher eventPublisher;  | 
|   | 
|     @Autowired  | 
|     private SIPCommander cmder;  | 
|   | 
|   | 
|     private SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");  | 
|   | 
|     @Override  | 
|     public void onApplicationEvent(OnlineEvent event) {  | 
|           | 
|         if (logger.isDebugEnabled()) {  | 
|             logger.debug("设备上线事件触发,deviceId:" + event.getDevice().getDeviceId() + ",from:" + event.getFrom());  | 
|         }  | 
|         Device device = event.getDevice();  | 
|         if (device == null) return;  | 
|         String key = VideoManagerConstants.KEEPLIVEKEY_PREFIX + userSetting.getServerId() + "_" + event.getDevice().getDeviceId();  | 
|         Device deviceInStore = storager.queryVideoDevice(device.getDeviceId());  | 
|         device.setOnline(1);  | 
|         switch (event.getFrom()) {  | 
|         // 注册时触发的在线事件,先在redis中增加超时超时监听  | 
|         case VideoManagerConstants.EVENT_ONLINE_REGISTER:  | 
|             // 超时时间  | 
|             redis.set(key, event.getDevice().getDeviceId(), sipConfig.getKeepaliveTimeOut());  | 
|             device.setRegisterTime(format.format(System.currentTimeMillis()));  | 
|             if (deviceInStore == null) { //第一次上线  | 
|                 logger.info("[{}] 首次注册,查询设备信息以及通道信息", device.getDeviceId());  | 
|                 cmder.deviceInfoQuery(device);  | 
|                 deviceService.sync(device);  | 
|             }  | 
|             break;  | 
|         // 设备主动发送心跳触发的在线事件  | 
|         case VideoManagerConstants.EVENT_ONLINE_KEEPLIVE:  | 
|             boolean exist = redis.hasKey(key);  | 
|             // 先判断是否还存在,当设备先心跳超时后又发送心跳时,redis没有监听,需要增加  | 
|             if (!exist) {  | 
|                 redis.set(key, event.getDevice().getDeviceId(), sipConfig.getKeepaliveTimeOut());  | 
|             } else {  | 
|                 redis.expire(key, sipConfig.getKeepaliveTimeOut());  | 
|             }  | 
|             device.setKeepaliveTime(format.format(System.currentTimeMillis()));  | 
|             break;  | 
|         // 设备主动发送消息触发的在线事件  | 
|         case VideoManagerConstants.EVENT_ONLINE_MESSAGE:  | 
|   | 
|             break;  | 
|         }  | 
|         // 处理上线监听  | 
|         storager.updateDevice(device);  | 
|         // 上线添加订阅  | 
|         if (device.getSubscribeCycleForCatalog() > 0) {  | 
|             // 查询在线设备那些开启了订阅,为设备开启定时的目录订阅  | 
|             deviceService.addCatalogSubscribe(device);  | 
|         }  | 
|         if (device.getSubscribeCycleForMobilePosition() > 0) {  | 
|             deviceService.addMobilePositionSubscribe(device);  | 
|         }  | 
|     }  | 
| }  |