更新readme

panlinlin

2021-04-06 c7b2004e4351079c4eae68f78058f9f603a61044

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

@@ -64,6 +64,7 @@
            // 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());
            publisher.platformNotRegisterEventPublish(event.getPlatformGbID());
            parentPlatformCatch.setKeepAliveReply(0);
        }else {
            // 再次发送心跳
            String callId = sipCommanderForPlatform.keepalive(parentPlatform);