1 files changed, 101 insertions, 0 deletions
diff --git a/lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/write/NativeForwardPathsTableCustomizer.java b/lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/write/NativeForwardPathsTableCustomizer.java
new file mode 100644
index 000000000..a9030a7c4
--- /dev/null
+++ b/lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/write/NativeForwardPathsTableCustomizer.java
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2017 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.hc2vpp.lisp.gpe.translate.write;
+
+import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
+import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
+import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
+import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer;
+import io.fd.honeycomb.translate.write.WriteContext;
+import io.fd.honeycomb.translate.write.WriteFailedException;
+import io.fd.vpp.jvpp.core.dto.GpeAddDelIface;
+import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518._native.forward.paths.tables.NativeForwardPathsTable;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518._native.forward.paths.tables.NativeForwardPathsTableKey;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Uses api to create gpe interfaces, which creates fib table as by-product.
+ * There is currently no other lisp-specific way to define fib table, as native paths expects existing table id
+ */
+public class NativeForwardPathsTableCustomizer extends FutureJVppCustomizer
+        implements ListWriterCustomizer<NativeForwardPathsTable, NativeForwardPathsTableKey>, ByteDataTranslator,
+        JvppReplyConsumer {
+
+    private static final Logger LOG = LoggerFactory.getLogger(NativeForwardPathsTableCustomizer.class);
+
+    public NativeForwardPathsTableCustomizer(@Nonnull final FutureJVppCore futureJVppCore) {
+        super(futureJVppCore);
+    }
+
+    @Override
+    public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<NativeForwardPathsTable> id,
+                                       @Nonnull final NativeForwardPathsTable dataAfter,
+                                       @Nonnull final WriteContext writeContext)
+            throws WriteFailedException {
+        createFibTable(id, dataAfter);
+    }
+
+
+    @Override
+    public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<NativeForwardPathsTable> id,
+                                        @Nonnull final NativeForwardPathsTable dataBefore,
+                                        @Nonnull final NativeForwardPathsTable dataAfter,
+                                        @Nonnull final WriteContext writeContext)
+            throws WriteFailedException {
+        // not sure if update makes sense, but just in case
+        deleteFibTable(id);
+        createFibTable(id, dataAfter);
+    }
+
+    @Override
+    public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<NativeForwardPathsTable> id,
+                                        @Nonnull final NativeForwardPathsTable dataBefore,
+                                        @Nonnull final WriteContext writeContext)
+            throws WriteFailedException {
+        deleteFibTable(id);
+    }
+
+    private void createFibTable(final InstanceIdentifier<NativeForwardPathsTable> id,
+                                final NativeForwardPathsTable data) throws WriteFailedException {
+        getReplyForCreate(getFutureJVpp().gpeAddDelIface(getRequest(true, id)).toCompletableFuture(), id, data);
+    }
+
+    private void deleteFibTable(final InstanceIdentifier<NativeForwardPathsTable> id) throws WriteFailedException {
+        getReplyForDelete(getFutureJVpp().gpeAddDelIface(getRequest(false, id)).toCompletableFuture(), id);
+    }
+
+    /**
+     * Maps dpTable and vni to tableId,this also allows to dump lisp specific tables by dumping vni's
+     */
+    private GpeAddDelIface getRequest(final boolean add, final InstanceIdentifier<NativeForwardPathsTable> id) {
+        GpeAddDelIface request = new GpeAddDelIface();
+        request.isL2 = 0;
+        // expects reversed order
+        request.dpTable = tableId(id);
+        request.vni = request.dpTable; // vni must be unique for every table
+        request.isAdd = booleanToByte(add);
+        return request;
+    }
+
+    static int tableId(final InstanceIdentifier<?> id) {
+        return id.firstKeyOf(NativeForwardPathsTable.class).getTableId().intValue();
+    }
+}