RFR: JDK-8313873: java/net/DatagramSocket/SendReceiveMaxSize.java fails on AIX due to small default RCVBUF size and different IPv6 Header interpretation [v2]

[Thomas Obermeier]

On Wed, 9 Aug 2023 16:25:27 GMT, Alan Bateman <alanb at openjdk.org> wrote:

>> Thomas Obermeier has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   SendReceiveMaxSize: adjust location of constants according to comments
>
> test/jdk/java/nio/channels/DatagramChannel/SendReceiveMaxSize.java line 69:
> 
>> 67:     private final static int IPV4_SNDBUF = 65507;
>> 68:     private final static int IPV6_SNDBUF = 65527;
>> 69:     private final static int IPV6_SNDBUF_AIX = 65487;
> 
> I really dislike this. I suspect the right thing will be to add a method to jdk.test.lib.net.IPSupport or some of the other test infra classes to avoid putting these constants in specific tests. Alternatively, have IPV6_SNDBUF to one of the two values to avoid adding IPV6_SNDBUF_AIX.

Hi Alan, thanks for the hints. Kindly check the latest commit.
Thomas

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PR Review Comment: https://git.openjdk.org/jdk/pull/15209#discussion_r1290105422