Github user DaanHoogland commented on a diff in the pull request:
https://github.com/apache/cloudstack/pull/1057#discussion_r44515725
--- Diff: utils/src/main/java/com/cloud/utils/net/NetUtils.java ---
@@ -775,11 +776,19 @@ public static String getSubNet(final String ip, final
String netmask) {
}
public static String getCidrSubNet(final String ip, final long
cidrSize) {
- final long numericNetmask = 0xffffffff >> MAX_CIDR - cidrSize <<
MAX_CIDR - cidrSize;
+ final long numericNetmask = netMaskFromCidr(cidrSize);
final String netmask = NetUtils.long2Ip(numericNetmask);
return getSubNet(ip, netmask);
}
+ /**
+ * @param cidrSize
+ * @return
+ */
+ static long netMaskFromCidr(final long cidrSize) {
+ return ((long)0xffffffff) >> MAX_CIDR - cidrSize << MAX_CIDR -
cidrSize;
+ }
+
--- End diff --
for testing purpose
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