Fix operational read for interface's MAC address

Hc2vpp supports 48-bit addresses.
VPP returns 64-bits, so ignore extended part.

This patch updates MAC address handling broken by
https://gerrit.fd.io/r/#/c/9090/

Change-Id: I7cc8d75e19f1f56e1f1adc23848a4a9baef87206
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/ByteDataTranslator.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/ByteDataTranslator.java
index 25b8d50f0..c7583fb52 100644
--- a/vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/ByteDataTranslator.java
+++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/ByteDataTranslator.java
@@ -100,10 +100,14 @@ public interface ByteDataTranslator {
 
     default String printHexBinary(@Nonnull final byte[] bytes) {
         Objects.requireNonNull(bytes, "bytes array should not be null");
+        return printHexBinary(bytes, 0, bytes.length);
+    }
+
+    default String printHexBinary(@Nonnull final byte[] bytes, final int startIndex, final int endIndex) {
         StringBuilder str = new StringBuilder();
 
-        Impl.appendHexByte(str, bytes[0]);
-        for (int i = 1; i < bytes.length; i++) {
+        Impl.appendHexByte(str, bytes[startIndex]);
+        for (int i = startIndex + 1; i < endIndex; i++) {
             str.append(":");
             Impl.appendHexByte(str, bytes[i]);
         }