diff options
Diffstat (limited to 'v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/ip/Ipv4ReadUtils.java')
-rw-r--r-- | v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/ip/Ipv4ReadUtils.java | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/ip/Ipv4ReadUtils.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/ip/Ipv4ReadUtils.java deleted file mode 100644 index c3c5616c9..000000000 --- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/ip/Ipv4ReadUtils.java +++ /dev/null @@ -1,130 +0,0 @@ -/* - * Copyright (c) 2016 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.translate.v3po.interfacesstate.ip; - -import static com.google.common.base.Preconditions.checkNotNull; - -import com.google.common.base.Optional; -import io.fd.honeycomb.translate.read.ReadContext; -import io.fd.honeycomb.translate.util.RWUtils; -import io.fd.honeycomb.translate.ModificationCache; -import io.fd.honeycomb.translate.read.ReadFailedException; -import io.fd.honeycomb.translate.v3po.util.ReadTimeoutException; -import io.fd.honeycomb.translate.v3po.util.TranslateUtils; -import java.util.Collections; -import java.util.List; -import java.util.function.Function; -import java.util.stream.Collectors; -import javax.annotation.Nonnull; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4AddressNoZone; -import org.opendaylight.yangtools.yang.binding.Identifier; -import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; -import org.openvpp.jvpp.VppBaseCallException; -import org.openvpp.jvpp.core.dto.IpAddressDetails; -import org.openvpp.jvpp.core.dto.IpAddressDetailsReplyDump; -import org.openvpp.jvpp.core.dto.IpAddressDump; -import org.openvpp.jvpp.core.future.FutureJVppCore; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -/** - * Utility class providing Ipv4 read support. - */ -final class Ipv4ReadUtils { - - static final String CACHE_KEY = Ipv4ReadUtils.class.getName(); - private static final Logger LOG = LoggerFactory.getLogger(Ipv4ReadUtils.class); - - private Ipv4ReadUtils() { - throw new UnsupportedOperationException("This utility class cannot be instantiated"); - } - - // Many VPP APIs do not provide get operation for single item. Dump requests for all items are used instead. - // To improve HC performance, caching dump requests is a common pattern. - // TODO: HONEYCOMB-102 use more generic caching implementation, once provided - static Optional<IpAddressDetailsReplyDump> dumpAddresses(@Nonnull final FutureJVppCore futureJVppCore, - @Nonnull final InstanceIdentifier<?> id, - @Nonnull final String interfaceName, - final int interfaceIndex, @Nonnull final ReadContext ctx) - throws ReadFailedException { - - final String cacheKey = CACHE_KEY + interfaceName; - Optional<IpAddressDetailsReplyDump> dumpFromCache = dumpAddressFromCache(cacheKey, ctx.getModificationCache()); - - if (dumpFromCache.isPresent()) { - return dumpFromCache; - } - - Optional<IpAddressDetailsReplyDump> dumpFromOperational; - try { - dumpFromOperational = dumpAddressFromOperationalData(futureJVppCore, id, interfaceIndex); - } catch (VppBaseCallException e) { - throw new ReadFailedException(id, e); - } - - if (dumpFromOperational.isPresent()) { - ctx.getModificationCache().put(cacheKey, dumpFromOperational.get()); - } - - return dumpFromOperational; - } - - private static Optional<IpAddressDetailsReplyDump> dumpAddressFromCache(@Nonnull final String cacheKey, - @Nonnull final ModificationCache cache) { - LOG.debug("Retrieving Ipv4 addresses from cache for {}", cacheKey); - return Optional.fromNullable((IpAddressDetailsReplyDump) cache.get(cacheKey)); - } - - private static Optional<IpAddressDetailsReplyDump> dumpAddressFromOperationalData( - @Nonnull final FutureJVppCore futureJVppCore, @Nonnull final InstanceIdentifier<?> id, final int interfaceIndex) - throws VppBaseCallException, ReadTimeoutException { - LOG.debug("Dumping Ipv4 addresses for interface id={}", interfaceIndex); - final IpAddressDump dumpRequest = new IpAddressDump(); - dumpRequest.isIpv6 = 0; - dumpRequest.swIfIndex = interfaceIndex; - return Optional.fromNullable( - TranslateUtils.getReplyForRead(futureJVppCore.ipAddressDump(dumpRequest).toCompletableFuture(), id)); - } - - @Nonnull static <T extends Identifier> List<T> getAllIpv4AddressIds( - final Optional<IpAddressDetailsReplyDump> dumpOptional, - @Nonnull final Function<Ipv4AddressNoZone, T> keyConstructor) { - if (dumpOptional.isPresent() && dumpOptional.get().ipAddressDetails != null) { - return dumpOptional.get().ipAddressDetails.stream() - .map(detail -> keyConstructor.apply(TranslateUtils.arrayToIpv4AddressNoZone(detail.ip))) - .collect(Collectors.toList()); - } else { - return Collections.emptyList(); - } - } - - static Optional<IpAddressDetails> findIpAddressDetailsByIp( - final Optional<IpAddressDetailsReplyDump> dump, - @Nonnull final Ipv4AddressNoZone ip) { - checkNotNull(ip, "ip address should not be null"); - - if (dump.isPresent() && dump.get().ipAddressDetails != null) { - final List<IpAddressDetails> details = dump.get().ipAddressDetails; - - return Optional.of(details.stream() - .filter(singleDetail -> ip.equals(TranslateUtils.arrayToIpv4AddressNoZone(singleDetail.ip))) - .collect(RWUtils.singleItemCollector())); - } - return Optional.absent(); - } - -} |