[jboss-jira] [JBoss JIRA] (JGRP-1653) RELAY2 : Supervising Routes/Sites status

[Karim AMMOUS (JIRA)]

    [ https://issues.jboss.org/browse/JGRP-1653?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12789281#comment-12789281 ] 

Karim AMMOUS commented on JGRP-1653:
------------------------------------

I tested the new listener and it works fine. But a NPE ([Class Relayer L288|https://github.com/belaban/JGroups/blob/master/src/org/jgroups/protocols/relay/Relayer.java#L288]) is handled when no listener was added.

Thank you Bela for that listener.
                
> RELAY2 : Supervising Routes/Sites status
> ----------------------------------------
>
>                 Key: JGRP-1653
>                 URL: https://issues.jboss.org/browse/JGRP-1653
>             Project: JGroups
>          Issue Type: Enhancement
>    Affects Versions: 3.3.2
>            Reporter: Karim AMMOUS
>            Assignee: Bela Ban
>             Fix For: 3.4
>
>
> Enhancement concerns API provided by RELAY2 to supervise sites and routes status.
> Currently, members from site LON (even SiteMaster) are not able to be aware if site NYC is down.
> That could be useful, for example, to disable invoking an unreachable site or cleaning data related to that site.
> It would be nice to add functions like:
> - Adding a listener to be notified when site status changes
> - Getting the sites registered in the routing table
> - Test if a site is up or down

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