Parts of a subscribe message - 188金宝搏的网址

A subscribe message is the message sent when a subscriber requests a subscription to a topic on a switch. The subscribe message is in JSON format.

Subscribe message example

{ "type": "subscribe", "topics": [ { "name": "/rest/v1/system/vrfs" }, { "name": "/rest/v1/system/vlans/1?attributes=admin,oper_state_reason" } ], "hint": 5 }

Components of a subscribe message

type

必需的。订阅消息,你必须specify the following value:subscribe

topics

必需的。The value is a comma-separated list of one or more topics in JSON format. A topic includes one component:

name: 必需的。The name of the topic, identified by the URI of the switch resource, including the optional query string.

hint

Optional. Some resource attributes—typically in the statistics category—are not populated until a client requests the information. The value ofhintspecifies how often—in seconds—the notification subsystem is to request information about the topics in the list. The samehintvalue applies to all the topics in the list.

If the same resource is a topic in multiple subscriptions that have different values forhint, the notification subsystem uses the smallest value.

Default: 10