fix flags and Tag in NAT implementation

 - tag being null causes crashes when vpp API is called
 - null flags causes crashes, flags should be set at least to
   default value (0)

Change-Id: If4e116212b1a85b312837830501ec226cec37bfa
Signed-off-by: Michal Cmarada <mcmarada@cisco.com>

4 files changed, 8 insertions, 0 deletions

diff --git a/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/write/ExternalIpPoolCustomizer.java b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/write/ExternalIpPoolCustomizer.java
index 8b9d9dd41..2df0c7e2d 100644
--- a/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/write/ExternalIpPoolCustomizer.java
+++ b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/write/ExternalIpPoolCustomizer.java
@@ -28,6 +28,7 @@ import io.fd.honeycomb.translate.write.WriteFailedException;
 import io.fd.jvpp.nat.dto.Nat44AddDelAddressRange;
 import io.fd.jvpp.nat.dto.Nat64AddDelPoolAddrRange;
 import io.fd.jvpp.nat.future.FutureJVppNatFacade;
+import io.fd.jvpp.nat.types.NatConfigFlags;
 import javax.annotation.Nonnull;
 import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.nat.rev180510.ExternalIpAddressPoolAugmentation;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
@@ -81,6 +82,9 @@ final class ExternalIpPoolCustomizer implements ListWriterCustomizer<ExternalIpA
             getReplyForWrite(jvppNat.nat64AddDelPoolAddrRange(request).toCompletableFuture(), id);
         } else {
             final Nat44AddDelAddressRange request = getNat44Request(addressPool.getExternalIpPool(), isAdd);
+            if (request.flags == null) {
+                request.flags = new NatConfigFlags();
+            }
             getReplyForWrite(jvppNat.nat44AddDelAddressRange(request).toCompletableFuture(), id);
         }
     }
diff --git a/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/write/MappingEntryCustomizer.java b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/write/MappingEntryCustomizer.java
index bf7811852..00bd77483 100644
--- a/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/write/MappingEntryCustomizer.java
+++ b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/write/MappingEntryCustomizer.java
@@ -162,6 +162,7 @@ final class MappingEntryCustomizer implements ListWriterCustomizer<MappingEntry,
             request.localPort = internalPortNumber.shortValue();
             request.externalPort = externalPortNumber.shortValue();
         }
+        request.tag = "";
         return request;
     }
 
diff --git a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/ExternalIpPoolCustomizerTest.java b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/ExternalIpPoolCustomizerTest.java
index 0ad81977f..8a55abc66 100644
--- a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/ExternalIpPoolCustomizerTest.java
+++ b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/ExternalIpPoolCustomizerTest.java
@@ -34,6 +34,7 @@ import io.fd.jvpp.nat.dto.Nat64AddDelPoolAddrRange;
 import io.fd.jvpp.nat.dto.Nat64AddDelPoolAddrRangeReply;
 import io.fd.jvpp.nat.future.FutureJVppNatFacade;
 import io.fd.jvpp.nat.types.Ip4Address;
+import io.fd.jvpp.nat.types.NatConfigFlags;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
@@ -123,6 +124,7 @@ public class ExternalIpPoolCustomizerTest extends WriterCustomizerTest implement
         expectedRequest.firstIpAddress.ip4Address = new byte[]{(byte) 192, (byte) 168, 1, 0};
         expectedRequest.lastIpAddress = new Ip4Address();
         expectedRequest.lastIpAddress.ip4Address = new byte[]{(byte) 192, (byte) 168, 1, (byte) 255};
+        expectedRequest.flags = new NatConfigFlags();
         return expectedRequest;
     }
 
diff --git a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/MappingEntryCustomizerTest.java b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/MappingEntryCustomizerTest.java
index d67552b4a..b5c6b5a8b 100644
--- a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/MappingEntryCustomizerTest.java
+++ b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/MappingEntryCustomizerTest.java
@@ -137,6 +137,7 @@ public class MappingEntryCustomizerTest extends WriterCustomizerTest implements
         expectedRequest.localIpAddress.ip4Address = new byte[]{(byte) 192, (byte) 168, 1, 87};
         expectedRequest.externalIpAddress = new Ip4Address();
         expectedRequest.externalIpAddress.ip4Address = new byte[]{45, 1, 5, 7};
+        expectedRequest.tag = "";
         return expectedRequest;
     }