添加截图（快照）功能

panlinlin

2021-05-08 e48fa711a3664bece9b3e58840a75fe7c05bc47c

 src/main/java/com/genersoft/iot/vmp/gb28181/event/offline/KeepaliveTimeoutListenerForPlatform.java

@@ -3,17 +3,13 @@
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.data.redis.connection.Message;
import org.springframework.data.redis.connection.MessageListener;
import org.springframework.data.redis.listener.KeyExpirationEventMessageListener;
import org.springframework.data.redis.listener.RedisMessageListenerContainer;
import org.springframework.stereotype.Component;

import com.genersoft.iot.vmp.common.VideoManagerConstants;
import com.genersoft.iot.vmp.gb28181.event.EventPublisher;

import java.nio.charset.StandardCharsets;

/**    
 * @Description:设备心跳超时监听,借助redis过期特性，进行监听，监听到说明设备心跳超时，发送离线事件
@@ -22,6 +18,8 @@
 */
@Component
public class KeepaliveTimeoutListenerForPlatform extends KeyExpirationEventMessageListener {

    private Logger logger = LoggerFactory.getLogger(KeepaliveTimeoutListenerForPlatform.class);

   @Autowired
   private EventPublisher publisher;
@@ -40,9 +38,9 @@
    public void onMessage(Message message, byte[] pattern) {
        //  获取失效的key
        String expiredKey = message.toString();
        System.out.println(expiredKey);
        if(!expiredKey.startsWith(VideoManagerConstants.PLATFORM_PREFIX)){
           System.out.println("收到redis过期监听，但开头不是"+VideoManagerConstants.PLATFORM_PREFIX+"，忽略");
        logger.debug(expiredKey);
        if(!expiredKey.startsWith(VideoManagerConstants.PLATFORM_KEEPLIVEKEY_PREFIX)){
           logger.debug("收到redis过期监听，但开头不是"+VideoManagerConstants.PLATFORM_KEEPLIVEKEY_PREFIX+"，忽略");
           return;
        }
        // 平台心跳到期,需要重发, 判断是否已经多次未收到心跳回复, 多次未收到,则重新发起注册, 注册尝试多次未得到回复,则认为平台离线
@@ -51,7 +49,6 @@

            publisher.platformKeepaliveExpireEventPublish(platformGBId);
        }else if (expiredKey.startsWith(VideoManagerConstants.PLATFORM_REGISTER_PREFIX)) {
            System.out.println("11111111111111");
            String platformGBId = expiredKey.substring(VideoManagerConstants.PLATFORM_REGISTER_PREFIX.length(),expiredKey.length());

            publisher.platformNotRegisterEventPublish(platformGBId);