CLOUDSTACK-1303: Fix NPE when extend vlan with ipv4 only

Project: http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/repo
Commit: 
http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/commit/a0762bc4
Tree: http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/tree/a0762bc4
Diff: http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/diff/a0762bc4

Branch: refs/heads/vim51_win8
Commit: a0762bc4a7771b47c004f523c8d3d636d5b3a11e
Parents: 6823adb
Author: Sheng Yang <[email protected]>
Authored: Thu Feb 21 16:38:39 2013 -0800
Committer: Sheng Yang <[email protected]>
Committed: Thu Feb 21 18:02:50 2013 -0800

----------------------------------------------------------------------
 server/src/com/cloud/network/NetworkModelImpl.java |    3 +++
 utils/src/com/cloud/utils/net/NetUtils.java        |    6 ++++++
 utils/test/com/cloud/utils/net/NetUtilsTest.java   |    5 +++++
 3 files changed, 14 insertions(+), 0 deletions(-)
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http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/a0762bc4/server/src/com/cloud/network/NetworkModelImpl.java
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diff --git a/server/src/com/cloud/network/NetworkModelImpl.java 
b/server/src/com/cloud/network/NetworkModelImpl.java
index ebe5aa4..7b3717a 100644
--- a/server/src/com/cloud/network/NetworkModelImpl.java
+++ b/server/src/com/cloud/network/NetworkModelImpl.java
@@ -568,6 +568,9 @@ public class NetworkModelImpl extends ManagerBase 
implements NetworkModel {
     @Override
     public boolean isIP6AddressAvailableInVlan(long vlanId) {
        VlanVO vlan = _vlanDao.findById(vlanId);
+       if (vlan.getIp6Range() == null) {
+               return false;
+       }
        long existedCount = _ipv6Dao.countExistedIpsInVlan(vlanId);
        BigInteger existedInt = BigInteger.valueOf(existedCount);
        BigInteger rangeInt = NetUtils.countIp6InRange(vlan.getIp6Range());

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/a0762bc4/utils/src/com/cloud/utils/net/NetUtils.java
----------------------------------------------------------------------
diff --git a/utils/src/com/cloud/utils/net/NetUtils.java 
b/utils/src/com/cloud/utils/net/NetUtils.java
index f6b62de..dd40a33 100755
--- a/utils/src/com/cloud/utils/net/NetUtils.java
+++ b/utils/src/com/cloud/utils/net/NetUtils.java
@@ -1192,6 +1192,9 @@ public class NetUtils {
        
        // Can cover 127 bits
        public static BigInteger countIp6InRange(String ip6Range) {
+               if (ip6Range == null) {
+                       return null;
+               }
        String[] ips = ip6Range.split("-");
        String startIp = ips[0];
        String endIp = ips[0];
@@ -1214,6 +1217,9 @@ public class NetUtils {
        }
 
        public static boolean isIp6InRange(String ip6, String ip6Range) {
+               if (ip6Range == null) {
+                       return false;
+               }
        String[] ips = ip6Range.split("-");
        String startIp = ips[0];
        String endIp = null;

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/a0762bc4/utils/test/com/cloud/utils/net/NetUtilsTest.java
----------------------------------------------------------------------
diff --git a/utils/test/com/cloud/utils/net/NetUtilsTest.java 
b/utils/test/com/cloud/utils/net/NetUtilsTest.java
index 09c6f60..28bd71f 100644
--- a/utils/test/com/cloud/utils/net/NetUtilsTest.java
+++ b/utils/test/com/cloud/utils/net/NetUtilsTest.java
@@ -122,5 +122,10 @@ public class NetUtilsTest extends TestCase {
        assertTrue(NetUtils.isIp6InNetwork("1234:5678::1", "1234:5678::/64"));
        assertTrue(NetUtils.isIp6InNetwork("1234:5678::ffff:ffff:ffff:ffff", 
"1234:5678::/64"));
        assertTrue(NetUtils.isIp6InNetwork("1234:5678::", "1234:5678::/64"));
+       //Test isIp6InRange
+       assertTrue(NetUtils.isIp6InRange("1234:5678:abcd::1", 
"1234:5678:abcd::1-1234:5678:abcd::1"));
+       assertFalse(NetUtils.isIp6InRange("1234:5678:abcd::1", 
"1234:5678:abcd::2-1234:5678:abcd::1"));
+       assertFalse(NetUtils.isIp6InRange("1234:5678:abcd::1", null));
+       assertTrue(NetUtils.isIp6InRange("1234:5678:abcd::1", 
"1234:5678::1-1234:5679::1"));
     }
 }

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