1 files changed, 141 insertions, 0 deletions
diff --git a/nsh/impl/src/main/java/io/fd/honeycomb/vppnsh/impl/config/NshMapWriterCustomizer.java b/nsh/impl/src/main/java/io/fd/honeycomb/vppnsh/impl/config/NshMapWriterCustomizer.java
new file mode 100755
index 000000000..f2757bd64
--- /dev/null
+++ b/nsh/impl/src/main/java/io/fd/honeycomb/vppnsh/impl/config/NshMapWriterCustomizer.java
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2016 Intel 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.vppnsh.impl.config;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
+import static com.google.common.base.Preconditions.checkState;
+import static io.fd.honeycomb.translate.v3po.util.TranslateUtils.booleanToByte;
+
+import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer;
+import io.fd.honeycomb.translate.v3po.util.NamingContext;
+import io.fd.honeycomb.translate.v3po.util.WriteTimeoutException;
+import io.fd.honeycomb.translate.v3po.util.TranslateUtils;
+import io.fd.honeycomb.translate.write.WriteContext;
+import io.fd.honeycomb.translate.write.WriteFailedException;
+import io.fd.honeycomb.translate.MappingContext;
+import java.util.concurrent.CompletionStage;
+import javax.annotation.Nonnull;
+import javax.xml.bind.DatatypeConverter;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.EncapType;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.VxlanGpe;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.vpp.nsh.nsh.maps.NshMap;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.vpp.nsh.nsh.maps.NshMapKey;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.openvpp.jvpp.VppBaseCallException;
+import org.openvpp.jvpp.nsh.dto.*;
+import org.openvpp.jvpp.nsh.callback.*;
+import org.openvpp.jvpp.nsh.future.FutureJVppNsh;
+import io.fd.honeycomb.vppnsh.impl.util.FutureJVppNshCustomizer;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Writer customizer responsible for NshMap create/delete.
+ */
+public class NshMapWriterCustomizer extends FutureJVppNshCustomizer
+    implements ListWriterCustomizer<NshMap, NshMapKey> {
+
+    private static final Logger LOG = LoggerFactory.getLogger(NshMapWriterCustomizer.class);
+    private final NamingContext nshMapContext;
+    private final NamingContext interfaceContext;
+
+    public NshMapWriterCustomizer(@Nonnull final FutureJVppNsh futureJVppNsh,
+                                    @Nonnull final NamingContext nshMapContext,
+                                    @Nonnull final NamingContext interfaceContext) {
+        super(futureJVppNsh);
+        this.nshMapContext = checkNotNull(nshMapContext, "nshMapContext should not be null");
+        this.interfaceContext = checkNotNull(interfaceContext, "interfaceContext should not be null");
+    }
+
+    @Override
+    public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<NshMap> id,
+                                       @Nonnull final NshMap dataAfter, @Nonnull final WriteContext writeContext)
+        throws WriteFailedException {
+        LOG.debug("Creating nsh map: iid={} dataAfter={}", id, dataAfter);
+        try {
+            final int newMapIndex =
+                nshAddDelMap(true, id, dataAfter, ~0 /* value not present */, writeContext.getMappingContext());
+
+            // Add nsh map name <-> vpp index mapping to the naming context:
+            nshMapContext.addName(newMapIndex, dataAfter.getName(), writeContext.getMappingContext());
+            LOG.debug("Successfully created nsh map(id={]): iid={} dataAfter={}", newMapIndex, id, dataAfter);
+        } catch (VppBaseCallException e) {
+            throw new WriteFailedException.CreateFailedException(id, dataAfter, e);
+        }
+    }
+
+    @Override
+    public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<NshMap> id,
+                                        @Nonnull final NshMap dataBefore, @Nonnull final NshMap dataAfter,
+                                        @Nonnull final WriteContext writeContext) throws WriteFailedException {
+        throw new UnsupportedOperationException("Nsh map update is not supported");
+    }
+
+    @Override
+    public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<NshMap> id,
+                                        @Nonnull final NshMap dataBefore,
+                                        @Nonnull final WriteContext writeContext) throws WriteFailedException {
+        LOG.debug("Removing nsh map: iid={} dataBefore={}", id, dataBefore);
+        final String mapName = dataBefore.getName();
+        checkState(nshMapContext.containsIndex(mapName, writeContext.getMappingContext()),
+            "Removing nsh map {}, but index could not be found in the nsh map context", mapName);
+
+        final int mapIndex = nshMapContext.getIndex(mapName, writeContext.getMappingContext());
+        try {
+            nshAddDelMap(false, id, dataBefore, mapIndex, writeContext.getMappingContext());
+
+            // Remove deleted interface from interface context:
+            nshMapContext.removeName(dataBefore.getName(), writeContext.getMappingContext());
+            LOG.debug("Successfully removed nsh map(id={]): iid={} dataAfter={}", mapIndex, id, dataBefore);
+        } catch (VppBaseCallException e) {
+            throw new WriteFailedException.DeleteFailedException(id, e);
+        }
+    }
+
+    private int nshAddDelMap(final boolean isAdd, @Nonnull final InstanceIdentifier<NshMap> id,
+                                    @Nonnull final NshMap map, final int mapId, final MappingContext ctx)
+        throws VppBaseCallException, WriteTimeoutException {
+        final CompletionStage<NshAddDelMapReply> createNshMapReplyCompletionStage =
+            getFutureJVppNsh().nshAddDelMap(getNshAddDelMapRequest(isAdd, mapId, map, ctx));
+
+        final NshAddDelMapReply reply =
+            TranslateUtils.getReplyForWrite(createNshMapReplyCompletionStage.toCompletableFuture(), id);
+        return reply.mapIndex;
+
+    }
+
+    private NshAddDelMap getNshAddDelMapRequest(final boolean isAdd, final int mapIndex,
+                                                    @Nonnull final NshMap map,
+                                                    @Nonnull final MappingContext ctx) {
+        final NshAddDelMap request = new NshAddDelMap();
+        request.isAdd = booleanToByte(isAdd);
+
+        request.nspNsi = (map.getNsp().intValue()<<8) | map.getNsi();
+        request.mappedNspNsi = (map.getMappedNsp().intValue()<<8) | map.getMappedNsi();
+
+        if (map.getEncapType() == VxlanGpe.class) {
+            request.nextNode = 2;
+        }
+
+        checkState(interfaceContext.containsIndex(map.getEncapIfName(), ctx),
+                "Mapping does not contains mapping for provider interface Name ".concat(map.getEncapIfName()));
+        request.swIfIndex = interfaceContext.getIndex(map.getEncapIfName(), ctx);
+
+        return request;
+    }
+}