Host updates for Topology

[controller.git] / opendaylight / sal / api / src / main / java / org / opendaylight / controller / sal / utils / NetUtils.java

diff --git a/opendaylight/sal/api/src/main/java/org/opendaylight/controller/sal/utils/NetUtils.java b/opendaylight/sal/api/src/main/java/org/opendaylight/controller/sal/utils/NetUtils.java
index 74da40449646059b640e96465b9b01bbf93ac2d5..90a7803ba07b02568a06f16edc2ed892dcd5460e 100644 (file)
--- a/opendaylight/sal/api/src/main/java/org/opendaylight/controller/sal/utils/NetUtils.java
+++ b/opendaylight/sal/api/src/main/java/org/opendaylight/controller/sal/utils/NetUtils.java
@@ -47,6 +47,21 @@ public abstract class NetUtils {
                 | (0xff & ba[2]) << 8 | (0xff & ba[3]);
     }
 
+    /**
+     * Converts a long to 6 bytes array for mac addresses
+     * @param addr
+     * @return
+     */
+
+    public static byte[] longToByteArray6(long addr){
+        byte[] mac = new byte[6];
+        for(int i = 0; i < 6; i++){
+            mac[i] = (byte) (addr >> (i*8));
+        }
+        return mac;
+    }
+
+
     /**
      * Converts an integer number into a 4 bytes array
      *