Repository: cloudstack
Updated Branches:
  refs/heads/4.3 f5483eeea -> 514c2ef0f


CLOUDSTACK-4770: In MacAddress skip macAddress when parsed value is 0x00

In MacAddress class, we start by settig macAddress String as null and go through
the output of ifconfig -a and pick the one string that is a valid mac address
but is not 0x00 and 0xff. With each loop we set the macAddress to null so that
it does not pick the last one if everything fails.

Tested on Ubuntu where I had an interface called cloud0 whose mac id was 0x00
and it was skipped to get the next one:

$ java -classpath <path-to-cloud-utils.jar> com.cloud.utils.net.MacAddress
addr in integer is 5071953436
addr in bytes is  0 1 2e 4f de 1c
addr in char is 00:01:2e:4f:de:1c

Signed-off-by: Rohit Yadav <rohit.ya...@shapeblue.com>
(cherry picked from commit 3b5aa42c6d87fb7e2573146efb8c7d2d0a4692b3)
Signed-off-by: Rohit Yadav <rohit.ya...@shapeblue.com>


Project: http://git-wip-us.apache.org/repos/asf/cloudstack/repo
Commit: http://git-wip-us.apache.org/repos/asf/cloudstack/commit/435fa225
Tree: http://git-wip-us.apache.org/repos/asf/cloudstack/tree/435fa225
Diff: http://git-wip-us.apache.org/repos/asf/cloudstack/diff/435fa225

Branch: refs/heads/4.3
Commit: 435fa225c6f9dd5a666cf58699bc078865ff2419
Parents: f5483ee
Author: Rohit Yadav <rohit.ya...@shapeblue.com>
Authored: Wed Aug 13 14:54:26 2014 +0200
Committer: Rohit Yadav <rohit.ya...@shapeblue.com>
Committed: Mon Sep 1 16:06:48 2014 +0200

----------------------------------------------------------------------
 utils/src/com/cloud/utils/net/MacAddress.java | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/cloudstack/blob/435fa225/utils/src/com/cloud/utils/net/MacAddress.java
----------------------------------------------------------------------
diff --git a/utils/src/com/cloud/utils/net/MacAddress.java 
b/utils/src/com/cloud/utils/net/MacAddress.java
index 15350c8..70a45ea 100755
--- a/utils/src/com/cloud/utils/net/MacAddress.java
+++ b/utils/src/com/cloud/utils/net/MacAddress.java
@@ -16,6 +16,8 @@
 // under the License.
 package com.cloud.utils.net;
 
+import com.cloud.utils.NumbersUtil;
+
 import java.io.BufferedReader;
 import java.io.File;
 import java.io.IOException;
@@ -24,8 +26,6 @@ import java.net.InetAddress;
 import java.net.UnknownHostException;
 import java.util.Formatter;
 
-import com.cloud.utils.NumbersUtil;
-
 /**
  * copied from the public domain utility from John Burkard.
  * @author <a href="mailto:j...@eaio.com";>Johann Burkard</a>
@@ -117,8 +117,12 @@ public class MacAddress {
                 String l = null;
                 while ((l = in.readLine()) != null) {
                     macAddress = MacAddress.parse(l);
-                    if (macAddress != null && 
MacAddress.parseShort(macAddress) != 0xff)
-                        break;
+                    if (macAddress != null) {
+                        short parsedShortMacAddress = 
MacAddress.parseShort(macAddress);
+                        if (parsedShortMacAddress != 0xff && 
parsedShortMacAddress != 0x00)
+                            break;
+                    }
+                    macAddress = null;
                 }
             }
 

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