HONEYCOMB-310: readers&initializers for vpp and macip acls

Change-Id: I8892479123091e43bf191c544b6628d6254be564
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/Ipv6Translator.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/Ipv6Translator.java
index 2d0b51b40..396391dd7 100644
--- a/vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/Ipv6Translator.java
+++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/Ipv6Translator.java
@@ -141,6 +141,18 @@ public interface Ipv6Translator extends ByteDataTranslator {
         return address.getIpv6Prefix() != null;
     }
 
+    /**
+     * Sets correct length of ip4 array in case vpp returns array of length greater than 4.
+     * @param ip array to be truncated
+     * @return ip array of length 4
+     */
+    default byte[] truncateIp4Array(final byte[] ip) {
+        //  16, which causes problems for toIpv4Prefix
+        final byte[] result = new byte[4];
+        System.arraycopy(ip, 0, result, 0, 4);
+        return result;
+    }
+
     default Ipv6Prefix toIpv6Prefix(final byte[] address, final int prefix) {
         try {
             return new Ipv6Prefix(