1 files changed, 82 insertions, 0 deletions
diff --git a/lisp/lisp2vpp/src/main/java/io/fd/honeycomb/lisp/translate/write/trait/SubtableWriter.java b/lisp/lisp2vpp/src/main/java/io/fd/honeycomb/lisp/translate/write/trait/SubtableWriter.java
new file mode 100644
index 000000000..d7f46ad9b
--- /dev/null
+++ b/lisp/lisp2vpp/src/main/java/io/fd/honeycomb/lisp/translate/write/trait/SubtableWriter.java
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2015 Cisco and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.honeycomb.lisp.translate.write.trait;
+
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import io.fd.honeycomb.translate.vpp.util.ByteDataTranslator;
+import io.fd.honeycomb.translate.vpp.util.JvppReplyConsumer;
+import java.util.concurrent.TimeoutException;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.VniTable;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.vni.table.BridgeDomainSubtable;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.vni.table.VrfSubtable;
+import org.opendaylight.yangtools.yang.binding.ChildOf;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import io.fd.vpp.jvpp.VppBaseCallException;
+import io.fd.vpp.jvpp.core.dto.LispEidTableAddDelMap;
+import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import org.slf4j.Logger;
+
+/**
+ * Trait providing logic for writing subtables
+ */
+public interface SubtableWriter extends ByteDataTranslator, JvppReplyConsumer {
+    int DEFAULT_VNI = 0;
+
+    /**
+     * Writes mapping from {@link VniTable}
+     * to {@link VrfSubtable} or
+     * {@link BridgeDomainSubtable}
+     *
+     * @param addDel  true if add,delete otherwise
+     * @param vni     {@link VniTable} ID
+     * @param tableId if <b>isL2</b> is true, than bridge domain subtable id,else vrf subtable id
+     * @param isL2    indicates whether (false) writing to L3 vrfSubtrable of (true) L2 bridgeDomainSubtrable
+     */
+    default void addDelSubtableMapping(@Nonnull final FutureJVppCore vppApi, final boolean addDel, final int vni,
+                                       final int tableId,
+                                       final boolean isL2,
+                                       final Logger logger) throws TimeoutException, VppBaseCallException {
+
+        if (vni == DEFAULT_VNI) {
+            // attempt to write subtable with default vni mapping(it does'nt make sense and it should'nt be possible)
+            // also allows to enable lisp without defining default mapping in request
+            logger.info("An attempt to write subtable[id = {}] with default vni {} was detected, ignoring write",
+                    tableId, DEFAULT_VNI);
+            return;
+        }
+
+        checkNotNull(vppApi, "VPP Api refference cannot be null");
+
+        LispEidTableAddDelMap request = new LispEidTableAddDelMap();
+
+        request.isAdd = booleanToByte(addDel);
+        request.vni = vni;
+        request.dpTable = tableId;
+        request.isL2 = booleanToByte(isL2);
+
+        getReply(vppApi.lispEidTableAddDelMap(request).toCompletableFuture());
+    }
+
+    default int extractVni(@Nonnull final InstanceIdentifier<? extends ChildOf<VniTable>> id) {
+        return checkNotNull(
+                checkNotNull(id, "Identifier cannot be null").firstKeyOf(VniTable.class),
+                "Parent VNI id not defined").getVirtualNetworkIdentifier().intValue();
+    }
+}