1 files changed, 127 insertions, 0 deletions
diff --git a/lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/ctx/GpeLocatorPairMappingContextImpl.java b/lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/ctx/GpeLocatorPairMappingContextImpl.java
new file mode 100644
index 000000000..94b19996b
--- /dev/null
+++ b/lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/ctx/GpeLocatorPairMappingContextImpl.java
@@ -0,0 +1,127 @@
+/*
+ * 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.ctx;
+
+import static java.lang.String.format;
+
+import io.fd.honeycomb.translate.MappingContext;
+import java.util.Collections;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.locator.pair.identification.context.rev170517.GpeLocatorPairIdentificationCtxAugmentation;
+import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.locator.pair.identification.context.rev170517.gpe.locator.pair.identification.context.attributes.GpeLocatorPairIdentificationContexts;
+import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.locator.pair.identification.context.rev170517.gpe.locator.pair.identification.context.attributes.gpe.locator.pair.identification.contexts.GpeLocatorPairIdentification;
+import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.locator.pair.identification.context.rev170517.gpe.locator.pair.identification.context.attributes.gpe.locator.pair.identification.contexts.GpeLocatorPairIdentificationKey;
+import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.locator.pair.identification.context.rev170517.gpe.locator.pair.identification.context.attributes.gpe.locator.pair.identification.contexts.gpe.locator.pair.identification.Mappings;
+import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.locator.pair.identification.context.rev170517.gpe.locator.pair.identification.context.attributes.gpe.locator.pair.identification.contexts.gpe.locator.pair.identification.mappings.Mapping;
+import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.locator.pair.identification.context.rev170517.gpe.locator.pair.identification.context.attributes.gpe.locator.pair.identification.contexts.gpe.locator.pair.identification.mappings.MappingBuilder;
+import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.locator.pair.identification.context.rev170517.gpe.locator.pair.identification.context.attributes.gpe.locator.pair.identification.contexts.gpe.locator.pair.identification.mappings.MappingKey;
+import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.locator.pair.identification.context.rev170517.gpe.locator.pair.identification.context.attributes.gpe.locator.pair.identification.contexts.gpe.locator.pair.identification.mappings.mapping.LocatorPairMapping;
+import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.locator.pair.identification.context.rev170517.gpe.locator.pair.identification.context.attributes.gpe.locator.pair.identification.contexts.gpe.locator.pair.identification.mappings.mapping.LocatorPairMappingBuilder;
+import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.locator.pair.identification.context.rev170517.gpe.locator.pair.identification.context.attributes.gpe.locator.pair.identification.contexts.gpe.locator.pair.identification.mappings.mapping.locator.pair.mapping.PairBuilder;
+import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.Contexts;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class GpeLocatorPairMappingContextImpl implements GpeLocatorPairMappingContext {
+
+    private static final Logger LOG = LoggerFactory.getLogger(GpeLocatorPairMappingContextImpl.class);
+
+    private final KeyedInstanceIdentifier<GpeLocatorPairIdentification, GpeLocatorPairIdentificationKey>
+            namingContextIid;
+
+    public GpeLocatorPairMappingContextImpl(@Nonnull final String instanceName) {
+        namingContextIid = InstanceIdentifier.create(Contexts.class)
+                .augmentation(GpeLocatorPairIdentificationCtxAugmentation.class)
+                .child(GpeLocatorPairIdentificationContexts.class)
+                .child(GpeLocatorPairIdentification.class, new GpeLocatorPairIdentificationKey(instanceName));
+    }
+
+
+    @Override
+    public void addMapping(@Nonnull final String entryId,
+                           @Nonnull final String locatorId,
+                           @Nonnull final GpeLocatorPair pair,
+                           @Nonnull final MappingContext mappingContext) {
+        LOG.debug("Adding mapping for Gpe entry to locator id[entry-id={},locator-pair-id={}]", entryId, locatorId);
+        mappingContext.merge(getMappingId(entryId), getMappingData(entryId, locatorId, pair));
+        LOG.debug("Mapping for Gpe entry to locator id[entry-id={},locator-pair-id={}] successfully added", entryId,
+                locatorId);
+    }
+
+    @Override
+    public void removeMapping(@Nonnull final String entryId,
+                              @Nonnull final MappingContext mappingContext) {
+        LOG.debug("Removing all mappings for Gpe entry[id={}]", entryId);
+        mappingContext.delete(getMappingId(entryId));
+        LOG.debug("All mappings for Gpe entry[id={}] removed", entryId);
+    }
+
+    @Override
+    public LocatorPairMapping getMapping(@Nonnull final String entryId,
+                                         @Nonnull final GpeLocatorPair pair,
+                                         @Nonnull final MappingContext mappingContext) {
+        return mappingContext.read(getMappingId(entryId))
+                .or(new MappingBuilder().setLocatorPairMapping(Collections.emptyList()).build())
+                .getLocatorPairMapping()
+                .stream()
+                .filter(mapping -> pair.isSame(mapping.getPair()))
+                .findAny().orElseGet(() -> {
+                    final String artificialLocatorId = artificialLocatorPairId(entryId, pair);
+                    addMapping(entryId, artificialLocatorId, pair, mappingContext);
+                    return getMapping(entryId, artificialLocatorId, mappingContext);
+                });
+    }
+
+    @Override
+    public LocatorPairMapping getMapping(@Nonnull final String entryId,
+                                         @Nonnull final String locatorId,
+                                         @Nonnull final MappingContext mappingContext) {
+        return mappingContext.read(getMappingId(entryId))
+                .or(new MappingBuilder().setLocatorPairMapping(Collections.emptyList()).build())
+                .getLocatorPairMapping()
+                .stream()
+                .filter(mapping -> mapping.getId().equals(locatorId))
+                .findAny().orElseThrow(() -> new IllegalArgumentException(
+                        format("No mapping for entry %s|locator %s", entryId, locatorId)));
+    }
+
+    private String artificialLocatorPairId(final String entryId, final GpeLocatorPair pair) {
+        return format("%s_%s_%s", entryId, pair.getLocalAddress(), pair.getRemoteAddress());
+    }
+
+    private Mapping getMappingData(final String entryId,
+                                   final String locatorId,
+                                   final GpeLocatorPair identifier) {
+        return new MappingBuilder()
+                .setId(entryId)
+                .setLocatorPairMapping(Collections.singletonList(new LocatorPairMappingBuilder()
+                        .setId(locatorId)
+                        .setPair(new PairBuilder()
+                                .setLocalAddress(identifier.getLocalAddress())
+                                .setRemoteAddress(identifier.getRemoteAddress())
+                                .build())
+                        .build())).build();
+    }
+
+    private KeyedInstanceIdentifier<Mapping, MappingKey> getMappingId(final String id) {
+        return namingContextIid.child(Mappings.class)
+                .child(Mapping.class, new MappingKey(id));
+    }
+}
+