RFR: 8133816: Display extra SSLServerSocket info in debug mode

[Weibing Xiao]

On Wed, 17 Aug 2022 14:25:40 GMT, Xue-Lei Andrew Fan <xuelei at openjdk.org> wrote:

>> Log the debugging info for server cipher suites when setting javax.net.debug == ssl, handshake.
>
> src/java.base/share/classes/sun/security/ssl/ServerHello.java line 409:
> 
>> 407:             if (shc.sslConfig.preferLocalCipherSuites) {
>> 408:                 preferred = shc.activeCipherSuites;
>> 409:                 proposed = clientHello.cipherSuites;
> 
> Instead of wrapping all information in one block, I may prefer to break down and place them in the close place where is happens.
> 
> I may dump the debug log here for cipher suite preference and server activated cipher suites.

Intend to log all of the collected information in one place. It is easy for the developer to see the configuration of the server socket. Previously when the handshake is failing, no information is available for the server socket in the log file.

-------------

PR: https://git.openjdk.org/jdk/pull/9731