--- /dev/null
+/*
+ * Copyright (c) 2019 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.v3po.interfacesstate.cache;
+
+import io.fd.honeycomb.translate.ModificationCache;
+import io.fd.honeycomb.translate.read.ReadFailedException;
+import io.fd.jvpp.stats.dto.InterfaceName;
+import java.util.List;
+import javax.annotation.Nonnull;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+/**
+ * Manager for dump data of interface names from stats api. The main purpose of this manager is to cache common
+ * interface data between various classes that process this kind of data.
+ */
+public interface InterfaceNamesDumpManager {
+
+ /**
+ * Provides stream of all currently configured vpp interface names
+ *
+ * @param identifier id of currently processed data
+ * @param cache Modification cache of current transaction
+ * @return {@link List} of currently configured interface names
+ * @throws ReadFailedException if dumping of data was unsuccessful
+ */
+ @Nonnull
+ List<InterfaceName> getInterfaceNames(@Nonnull final InstanceIdentifier<?> identifier,
+ @Nonnull final ModificationCache cache)
+ throws ReadFailedException;
+}
--- /dev/null
+/*
+ * Copyright (c) 2019 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.v3po.interfacesstate.cache;
+
+import static io.fd.hc2vpp.common.translate.util.JvppReplyConsumer.INSTANCE;
+import static java.util.stream.Collectors.toMap;
+
+import io.fd.honeycomb.translate.ModificationCache;
+import io.fd.honeycomb.translate.read.ReadFailedException;
+import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
+import io.fd.honeycomb.translate.util.read.cache.EntityDumpExecutor;
+import io.fd.honeycomb.translate.util.read.cache.StaticCacheKeyFactory;
+import io.fd.jvpp.stats.dto.InterfaceName;
+import io.fd.jvpp.stats.dto.InterfaceNamesDetailsReplyDump;
+import io.fd.jvpp.stats.dto.InterfaceNamesDump;
+import io.fd.jvpp.stats.future.FutureJVppStatsFacade;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.CompletableFuture;
+import javax.annotation.Nonnull;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class InterfaceNamesDumpManagerImpl implements InterfaceNamesDumpManager {
+ // byNameIndex must be cached, not held as reference here, to have it destroyed with cache after transaction
+ static final String BY_NAME_INDEX_KEY = InterfaceNamesDumpManagerImpl.class.getName() + "_byNameIndex";
+ private static final Logger LOG = LoggerFactory.getLogger(InterfaceNamesDumpManagerImpl.class);
+ private final FutureJVppStatsFacade jvppStats;
+
+ private final DumpCacheManager<InterfaceNamesDetailsReplyDump, Void> fullDumpManager;
+
+ public InterfaceNamesDumpManagerImpl(final FutureJVppStatsFacade jvppStats) {
+ this.jvppStats = jvppStats;
+ fullDumpManager = fullInterfaceDumpManager(this.jvppStats,
+ new StaticCacheKeyFactory(InterfaceNamesDumpManagerImpl.class.getName() + "_dump",
+ InterfaceNamesDetailsReplyDump.class));
+ }
+
+ private static DumpCacheManager<InterfaceNamesDetailsReplyDump, Void> fullInterfaceDumpManager(
+ final FutureJVppStatsFacade jvppStats,
+ final StaticCacheKeyFactory cacheKeyFactory) {
+ return new DumpCacheManager.DumpCacheManagerBuilder<InterfaceNamesDetailsReplyDump, Void>()
+ .withExecutor(fullInterfaceDumpExecutor(jvppStats))
+ .withCacheKeyFactory(cacheKeyFactory)
+ .acceptOnly(InterfaceNamesDetailsReplyDump.class)
+ .build();
+ }
+
+ private static EntityDumpExecutor<InterfaceNamesDetailsReplyDump, Void> fullInterfaceDumpExecutor(
+ final FutureJVppStatsFacade api) {
+ return (identifier, params) -> {
+ final InterfaceNamesDump request = new InterfaceNamesDump();
+
+ final CompletableFuture<InterfaceNamesDetailsReplyDump>
+ interfaceNamesDetailsReplyDumpCompletableFuture =
+ api.interfaceNamesDump(request).toCompletableFuture();
+ return INSTANCE.getReplyForRead(interfaceNamesDetailsReplyDumpCompletableFuture, identifier);
+ };
+ }
+
+ @Nonnull
+ @Override
+ public List<InterfaceName> getInterfaceNames(@Nonnull final InstanceIdentifier<?> identifier,
+ @Nonnull final ModificationCache cache)
+ throws ReadFailedException {
+ LOG.debug("Reading all interface names[{}]", identifier);
+ return new ArrayList<>(initMapAndGet(identifier, cache).values());
+ }
+
+ private Map<String, InterfaceName> initMapAndGet(final InstanceIdentifier<?> identifier,
+ final ModificationCache cache)
+ throws ReadFailedException {
+
+ if (!cache.containsKey(BY_NAME_INDEX_KEY)) {
+ LOG.debug("Performing dump[{}]", identifier);
+ final InterfaceNamesDetailsReplyDump dump =
+ fullDumpManager.getDump(identifier, cache).orElse(new InterfaceNamesDetailsReplyDump());
+
+ // naming context initialization must be done here, as it is uses getName in next step, therefore it would
+ // create artificial mapping for every interface, because this happens before interface dump is processed
+ Arrays.stream(dump.interfaceNamesDetails.interfaceNames).forEach((elt) -> {
+ // Store interface name from VPP in context if not yet present
+ LOG.trace("Interface with VPP name: {} and index: {} found in VPP", elt.name, elt.swIfIndex);
+ });
+
+ final Map<String, InterfaceName> freshIndex = Arrays.stream(dump.interfaceNamesDetails.interfaceNames)
+ .collect(toMap(detail -> detail.name, detail -> detail));
+ putMap(freshIndex, cache);
+ }
+
+ return getMap(cache);
+ }
+
+ private static Map<String, InterfaceName> getMap(final ModificationCache cache) {
+ return (Map<String, InterfaceName>) cache.get(BY_NAME_INDEX_KEY);
+ }
+
+ private static void putMap(final Map<String, InterfaceName> map, final ModificationCache cache) {
+ cache.put(BY_NAME_INDEX_KEY, map);
+ }
+}
--- /dev/null
+/*
+ * Copyright (c) 2019 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.v3po.interfacesstate.cache;
+
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+import io.fd.jvpp.stats.future.FutureJVppStatsFacade;
+
+public class InterfaceNamesDumpManagerProvider implements Provider<InterfaceNamesDumpManager> {
+
+ @Inject
+ private FutureJVppStatsFacade jvppStats;
+
+
+ @Override
+ public InterfaceNamesDumpManager get() {
+ return new InterfaceNamesDumpManagerImpl(jvppStats);
+ }
+}
Code Review / hc2vpp.git / commitdiff