zengguan opened a new pull request, #17610:
URL: https://github.com/apache/pulsar/pull/17610
### Motivation
Add a new api named clientStats to proxy stats. After the producer or
consumer is created, we can find some client stats like topic or producer
name/subscription name。This is useful for knowing which topic the client is
connecting to.
```json
{
"/127.0.0.1:58774":{
"channelId":"b5b8e701",
"type":"producer",
"clientId":0,
"clientName":"client01",
"createTime":"2022-09-13 11:40:56",
"topic":"persistent://pulsar/default/test-topic-partition-0"
},
"/127.0.0.1:58775":{
"channelId":"bcd86c75",
"type":"producer",
"clientId":1,
"clientName":"client01",
"createTime":"2022-09-13 11:40:56",
"topic":"persistent://pulsar/default/test-topic-partition-1"
}
}
```
### Modifications
Added a new `ClientStats` class. This class return some client stats like
`producerName/subscriptionName`. When we process a create producer request or
create a subscribe request, we add client stats to the map. If the connection
is closed, we remove client stats from the map.
### Verifying this change
- [x] Make sure that the change passes the CI checks.
*(Please pick either of the following options)*
This change is a trivial rework / code cleanup without any test coverage.
*(or)*
This change is already covered by existing tests, such as *(please describe
tests)*.
*(or)*
This change added tests and can be verified as follows:
*(example:)*
- *Added integration tests for end-to-end deployment with large payloads
(10MB)*
- *Extended integration test for recovery after broker failure*
### Does this pull request potentially affect one of the following parts:
*If the box was checked, please highlight the changes*
- [ ] Dependencies (add or upgrade a dependency)
- [x] The public API
- [ ] The schema
- [ ] The default values of configurations
- [ ] The binary protocol
- [ ] The REST endpoints
- [ ] The admin CLI options
- [ ] Anything that affects deployment
### Documentation
<!-- DO NOT REMOVE THIS SECTION. CHECK THE PROPER BOX ONLY. -->
- [x] `doc-required`
(Your PR needs to update docs and you will update later)
- [ ] `doc-not-needed`
(Please explain why)
- [ ] `doc`
(Your PR contains doc changes)
- [ ] `doc-complete`
(Docs have been already added)
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