RFR: 8350279: HttpClient: Add a new HttpResponse method to identify connections [v10]

[Jaikiran Pai]

On Mon, 7 Apr 2025 08:27:38 GMT, Volkan Yazici <vyazici at openjdk.org> wrote:

>> Adds `HttpResponse::connectionLabel` method that provides an identifier for the connection.
>> 
>> **Implementation note:** The feature is facilitated by `HttpConnection::label`, which should not be confused with `HttpConnection::id`. This distinction is explained in the JavaDoc of both properties.
>
> Volkan Yazici has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Add -Djdk.httpclient.keepalive.timeout=120` to `@run`

test/jdk/java/net/httpclient/HttpResponseConnectionLabelTest.java line 33:

> 31:  *
> 32:  * @comment `othervm` usage is intentional since this test uses `ForkJoinPool.commonPool()`
> 33:  * @comment There is no guarantee that sequential requests will be executed immediately one after the other.

Thank you for all the updates so far Volkan. This is overall looking good to me. One final nit about this comment. I think we can leave out a lot of this text and just state something like:


@comment use a higher idle timeout to increase the chances of
         the same connection being used for sequential HTTP requests

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PR Review Comment: https://git.openjdk.org/jdk/pull/24154#discussion_r2030799061