订阅信息

GET /api/v4/subscriptions

返回集群下所有订阅信息，支持分页机制。

Query String Parameters:

在 4.1 版本后，支持多条件和模糊查询： | Name | Type | Description | | —————— | ———- | —————- | | clientid | String | 客户端标识符 | | topic | String | 主题，全等查询 | | qos | Enum | 可取值为：0,1,2 | | share | String | 共享订阅的组名称 | | _match_topic | String | 主题，匹配查询 |

Success Response Body (JSON):

Examples:

$ curl -i --basic -u admin:public -X GET "http://localhost:8081/api/v4/subscriptions?_page=1&_limit=10"
{"meta":{"page":1,"limit":10000,"count":2},"data":[{"topic":"a/+/c","qos":0,"node":"emqx@127.0.0.1","clientid":"78082755-e8eb-4a87-bab7-8277541513f0"},{"topic":"a/b/c","qos":1,"node":"emqx@127.0.0.1","clientid":"7a1dfceb-89c0-4f7e-992b-dfeb09329f01"}],"code":0}

注：在 4.1 后，返回的 meta 内容做了修改：

• count：仍表示总数，但在 多条件/模糊查询 时，固定为 -1。
• hasnext：为新增字段，表示是否存在下一页。

GET /api/v4/subscriptions/{clientid}

返回集群下指定客户端的订阅信息。

Path Parameters:

Success Response Body (JSON):

Examples:

$ curl -i --basic -u admin:public -X GET "http://localhost:8081/api/v4/subscriptions/123"
{"data":[{"topic":"a/b/c","qos":1,"node":"emqx@127.0.0.1","clientid":"123"}],"code":0}

GET /api/v4/nodes/{node}/subscriptions

类似 GET /api/v4/subscriptions，返回指定节点下的所有订阅信息，支持分页机制。

Query String Parameters:

Success Response Body (JSON):

Examples:

$ curl -i --basic -u admin:public -X GET "http://localhost:8081/api/v4/nodes/emqx@127.0.0.1/subscriptions?_page=1&limit=10"
{"meta":{"page":1,"limit":10000,"count":2},"data":[{"topic":"a/+/c","qos":0,"node":"emqx@127.0.0.1","clientid":"78082755-e8eb-4a87-bab7-8277541513f0"},{"topic":"a/b/c","qos":1,"node":"emqx@127.0.0.1","clientid":"7a1dfceb-89c0-4f7e-992b-dfeb09329f01"}],"code":0}

GET /api/v4/nodes/{node}/subscriptions/{clientid}

类似 GET /api/v4/subscriptions/{clientid}，在指定节点下，查询某 clientid 的所有订阅信息，支持分页机制。

Path Parameters:

Success Response Body (JSON):

Examples:

$ curl -i --basic -u admin:public -X GET "http://localhost:8081/api/v4/nodes/emqx@127.0.0.1/subscriptions/sample"
{"data":[{"topic":"a/+/c","qos":0,"node":"emqx@127.0.0.1","clientid":"sample"}],"code":0}