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-rw-r--r--infra/bgp-translate-impl/src/main/java/io/fd/honeycomb/bgp/translate/impl/LocRibChangeListener.java79
-rw-r--r--infra/bgp-translate-impl/src/main/java/io/fd/honeycomb/bgp/translate/impl/LocRibWriter.java58
2 files changed, 137 insertions, 0 deletions
diff --git a/infra/bgp-translate-impl/src/main/java/io/fd/honeycomb/bgp/translate/impl/LocRibChangeListener.java b/infra/bgp-translate-impl/src/main/java/io/fd/honeycomb/bgp/translate/impl/LocRibChangeListener.java
new file mode 100644
index 000000000..7e9a3c1e8
--- /dev/null
+++ b/infra/bgp-translate-impl/src/main/java/io/fd/honeycomb/bgp/translate/impl/LocRibChangeListener.java
@@ -0,0 +1,79 @@
+/*
+ * 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.honeycomb.bgp.translate.impl;
+
+import com.google.common.base.Preconditions;
+import io.fd.honeycomb.translate.bgp.RouteWriter;
+import io.fd.honeycomb.translate.write.WriteFailedException;
+import java.util.Collection;
+import javax.annotation.Nonnull;
+import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
+import org.opendaylight.controller.md.sal.binding.api.DataTreeChangeListener;
+import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
+import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.Route;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+final class LocRibChangeListener implements DataTreeChangeListener<Route> {
+
+ private static final Logger LOG = LoggerFactory.getLogger(LocRibChangeListener.class);
+ private final RouteWriter writer;
+
+ LocRibChangeListener(final RouteWriter writer) {
+ this.writer = writer;
+ }
+
+ @Override
+ public void onDataTreeChanged(@Nonnull final Collection<DataTreeModification<Route>> changes) {
+ for (DataTreeModification<Route> change : changes) {
+ final DataObjectModification<Route> rootNode = change.getRootNode();
+ final DataTreeIdentifier<Route> rootPath = change.getRootPath();
+ final Route dataBefore = rootNode.getDataBefore();
+ final Route dataAfter = rootNode.getDataAfter();
+ LOG.trace("Received LocRib change({}): before={} after={}", rootNode.getModificationType(), dataBefore, dataAfter);
+
+ try {
+ processChange(rootPath.getRootIdentifier(), dataBefore, dataAfter);
+ } catch (WriteFailedException e) {
+ LOG.warn("Route translation failed", e);
+ }
+ }
+ }
+
+ @SuppressWarnings("unchecked")
+ private void processChange(final InstanceIdentifier<Route> id, final Route dataBefore, final Route dataAfter) throws WriteFailedException {
+ if (isCreate(dataBefore, dataAfter)) {
+ writer.create(id, dataAfter);
+ } else if (isDelete(dataBefore, dataAfter)) {
+ writer.delete(id, dataBefore);
+ } else {
+ Preconditions.checkArgument(dataBefore != null && dataAfter != null, "No data to process");
+ writer.update(id, dataBefore, dataAfter);
+ }
+ }
+
+ private static boolean isCreate(final DataObject dataBefore, final DataObject dataAfter) {
+ return dataBefore == null && dataAfter != null;
+ }
+
+ private static boolean isDelete(final DataObject dataBefore, final DataObject dataAfter) {
+ return dataAfter == null && dataBefore != null;
+ }
+}
diff --git a/infra/bgp-translate-impl/src/main/java/io/fd/honeycomb/bgp/translate/impl/LocRibWriter.java b/infra/bgp-translate-impl/src/main/java/io/fd/honeycomb/bgp/translate/impl/LocRibWriter.java
new file mode 100644
index 000000000..ce3c0c7b8
--- /dev/null
+++ b/infra/bgp-translate-impl/src/main/java/io/fd/honeycomb/bgp/translate/impl/LocRibWriter.java
@@ -0,0 +1,58 @@
+/*
+ * 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.honeycomb.bgp.translate.impl;
+
+import com.google.common.base.Preconditions;
+import io.fd.honeycomb.translate.bgp.RibWriter;
+import io.fd.honeycomb.translate.bgp.RouteWriter;
+import javax.annotation.Nonnull;
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.Route;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.rib.LocRib;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+/**
+ * Provides route translation for routes in local RIB.
+ */
+public final class LocRibWriter implements RibWriter {
+ private final DataBroker bgpDataBroker;
+
+ public LocRibWriter(final DataBroker bgpDataBroker) {
+ this.bgpDataBroker = bgpDataBroker;
+ }
+
+ @Override
+ public void register(@Nonnull final RouteWriter writer) {
+ @SuppressWarnings("unchecked")
+ final InstanceIdentifier<Route> managedId = (InstanceIdentifier<Route>)writer.getManagedDataObjectType();
+ final Class routeType = managedId.getTargetType();
+ Preconditions.checkArgument(Route.class.isAssignableFrom(routeType),
+ "{} managed by {} is not subclass of Route", routeType, writer);
+ Preconditions.checkArgument(managedId.firstIdentifierOf(LocRib.class) != null,
+ "{} managed by {} does not contain LocRib.class", managedId, writer);
+ Preconditions.checkArgument(managedId.isWildcarded(),
+ "{} managed by {} should not contain route key", managedId, writer);
+
+ // TODO(HONEYCOMB-367): updates for whole list instead of list item
+ // are needed to support deleteALL (might be required for performance reasons).
+ bgpDataBroker
+ .registerDataTreeChangeListener(new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL, managedId),
+ new LocRibChangeListener(writer));
+ }
+}