MqttSession 属性

当前客户端的激活时间
The activation time of the current client

两次活动的最小时间间隔
Minimum time interval between two activities

当前接收的客户端ID信息
Client ID information currently received

获取或设置当前的会话是否拥有开发者权限，在开发者权限下，可以遍历接口信息，默认只有admin账户支持开发者权限，如果自定义设置账户权限，则需要在会话登录的事件里，将本属性值设置为 True
Obtain or set whether the current session has developer permissions, under the developer permissions, you can traverse the interface information, by default, only the admin account supports developer permissions, if you customize the account permissions, you need to set the value of this property to True in the session login event

远程的ip地址端口信息
Remote ip address port information

获取或设置当前的MQTT客户端是否允许发布消息，默认为False，如果设置为True，就是禁止发布消息，服务器不会触发收到消息的事件。
Gets or sets whether the current MQTT client is allowed to publish messages, the default is False, if set to True, it is forbidden to publish messages, The server does not trigger the event of receiving a message.

获取设置客户端的加密信息

获取当前的客户端的上线时间
Get the online time of the current client

当前的协议信息，一般为 "MQTT"，如果是同步客户端那么是 "HUSL"，如果是文件客户端就是 "FILE"
The current protocol information, generally "MQTT", if it is a synchronous client then it is "HUSL", if it is a file client it is "FILE"

当前的会话信息关联的自定义信息
Custom information associated with the current session information

当前的用户名
Current username

遗嘱的消息内容
The message content of the will

遗嘱主题
will topic