添加截图（快照）功能

panlinlin

2021-05-08 e48fa711a3664bece9b3e58840a75fe7c05bc47c

 src/main/java/com/genersoft/iot/vmp/gb28181/event/platformKeepaliveExpire/PlatformKeepaliveExpireEventLister.java

@@ -63,6 +63,7 @@
        if (parentPlatformCatch.getKeepAliveReply() >= 3) {
            // 有3次未收到心跳回复, 设置平台状态为离线, 开始重新注册
            logger.warn("有3次未收到心跳回复,标记设置平台状态为离线, 并重新注册 平台国标ID：" + event.getPlatformGbID());
            storager.updateParentPlatformStatus(event.getPlatformGbID(), false);
            publisher.platformNotRegisterEventPublish(event.getPlatformGbID());
            parentPlatformCatch.setKeepAliveReply(0);
        }else {