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From jburwell <>
Subject [GitHub] cloudstack pull request: CLOUDSTACK-8832 : Update Nuage VSP plugin...
Date Mon, 12 Oct 2015 16:14:32 GMT
Github user jburwell commented on a diff in the pull request:
    --- Diff: plugins/network-elements/nuage-vsp/src/com/cloud/network/guru/
    @@ -358,19 +441,22 @@ private String getVirtualRouterIP(Network network, Collection<String>
             Set<Long> allIPsInCidr = NetUtils.getAllIpsFromCidr(subnet, cidrSize, new
             if (allIPsInCidr.size() > 3) {
    +            //get the second IP and see if it the networks GatewayIP
                 Iterator<Long> ipIterator = allIPsInCidr.iterator();
                 long vip =;
    --- End diff --
    @danielvsimoes the return type declared for ``NetUtils.getAllIpsFromCidr`` is ``Set``
not ``TreeSet``.  This implicit assumption would break badly if the internal implementation
of the utility method were to change.  Therefore, please add a check at line 359 such as following:
    if (allIPsInCidr == null or (allIPsInCidr != null and !(allIPsInCidr instanceof TreeSet)))
       throw new InvalidStateException("The IPs in CIDR for subnet " + subnet + " where null
or returned in a non-ordered set.");

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