diff options
Diffstat (limited to 'v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/interfacesstate/InterconnectionReadUtils.java')
-rw-r--r-- | v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/interfacesstate/InterconnectionReadUtils.java | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/interfacesstate/InterconnectionReadUtils.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/interfacesstate/InterconnectionReadUtils.java new file mode 100644 index 000000000..886549ac3 --- /dev/null +++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/interfacesstate/InterconnectionReadUtils.java @@ -0,0 +1,121 @@ +/* + * 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.v3po.translate.v3po.interfacesstate; + +import static com.google.common.base.Preconditions.checkState; +import static java.util.Objects.requireNonNull; + +import io.fd.honeycomb.v3po.translate.read.ReadContext; +import io.fd.honeycomb.v3po.translate.read.ReadFailedException; +import io.fd.honeycomb.v3po.translate.v3po.util.NamingContext; +import io.fd.honeycomb.v3po.translate.v3po.util.TranslateUtils; +import java.util.Optional; +import java.util.concurrent.CompletableFuture; +import javax.annotation.Nonnull; +import javax.annotation.Nullable; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.l2.base.attributes.Interconnection; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.l2.base.attributes.interconnection.BridgeBasedBuilder; +import org.openvpp.jvpp.dto.BridgeDomainDetails; +import org.openvpp.jvpp.dto.BridgeDomainDetailsReplyDump; +import org.openvpp.jvpp.dto.BridgeDomainDump; +import org.openvpp.jvpp.dto.BridgeDomainSwIfDetails; +import org.openvpp.jvpp.dto.SwInterfaceDetails; +import org.openvpp.jvpp.future.FutureJVpp; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Utility class providing Interconnection read support. + */ +// FIXME this should be customizer, but it is not possible because Interconnection is not a DataObject +final class InterconnectionReadUtils { + + private static final Logger LOG = LoggerFactory.getLogger(InterconnectionReadUtils.class); + + private final FutureJVpp futureJvpp; + private final NamingContext interfaceContext; + private final NamingContext bridgeDomainContext; + + InterconnectionReadUtils(@Nonnull final FutureJVpp futureJvpp, + @Nonnull final NamingContext interfaceContext, + @Nonnull final NamingContext bridgeDomainContext) { + this.futureJvpp = requireNonNull(futureJvpp, "futureJvpp should not be null"); + this.interfaceContext = requireNonNull(interfaceContext, "interfaceContext should not be null"); + this.bridgeDomainContext = requireNonNull(bridgeDomainContext, "bridgeDomainContext should not be null"); + } + + @Nullable + Interconnection readInterconnection(@Nonnull final String ifaceName, @Nonnull final ReadContext ctx) + throws ReadFailedException { + final int ifaceId = interfaceContext.getIndex(ifaceName, ctx.getMappingContext()); + + final SwInterfaceDetails iface = InterfaceUtils.getVppInterfaceDetails(futureJvpp, ifaceName, + ifaceId, ctx.getModificationCache()); + LOG.debug("Interface details for interface: {}, details: {}", ifaceName, iface); + + final BridgeDomainDetailsReplyDump dumpReply = getDumpReply(); + final Optional<BridgeDomainSwIfDetails> bdForInterface = getBridgeDomainForInterface(ifaceId, dumpReply); + if (bdForInterface.isPresent()) { + final BridgeDomainSwIfDetails bdSwIfDetails = bdForInterface.get(); + final BridgeBasedBuilder bbBuilder = new BridgeBasedBuilder(); + bbBuilder.setBridgeDomain(bridgeDomainContext.getName(bdSwIfDetails.bdId, ctx.getMappingContext())); + + // Set BVI if the bridgeDomainDetails.bviSwIfIndex == current sw if index + final Optional<BridgeDomainDetails> bridgeDomainForInterface = + getBridgeDomainForInterface(dumpReply, bdForInterface.get().bdId); + // Since we already found an interface assigned to a bridge domain, the details for BD must be present + checkState(bridgeDomainForInterface.isPresent()); + if (bridgeDomainForInterface.get().bviSwIfIndex == ifaceId) { + bbBuilder.setBridgedVirtualInterface(true); + } + + if (bdSwIfDetails.shg != 0) { + bbBuilder.setSplitHorizonGroup((short) bdSwIfDetails.shg); + } + return bbBuilder.build(); + } + // TODO is there a way to check if interconnection is XconnectBased? + + return null; + } + + private Optional<BridgeDomainSwIfDetails> getBridgeDomainForInterface(final int ifaceId, + final BridgeDomainDetailsReplyDump reply) { + if (null == reply || null == reply.bridgeDomainSwIfDetails || reply.bridgeDomainSwIfDetails.isEmpty()) { + return Optional.empty(); + } + // interface can be added to only one BD only + return reply.bridgeDomainSwIfDetails.stream().filter(a -> a.swIfIndex == ifaceId).findFirst(); + } + + private Optional<BridgeDomainDetails> getBridgeDomainForInterface(final BridgeDomainDetailsReplyDump reply, + int bdId) { + return reply.bridgeDomainDetails.stream().filter(a -> a.bdId == bdId).findFirst(); + } + + private BridgeDomainDetailsReplyDump getDumpReply() { + // We need to perform full bd dump, because there is no way + // to ask VPP for BD details given interface id/name (TODO add it to vpp.api?) + // TODO cache dump result + final BridgeDomainDump request = new BridgeDomainDump(); + request.bdId = -1; + + final CompletableFuture<BridgeDomainDetailsReplyDump> bdCompletableFuture = + futureJvpp.bridgeDomainSwIfDump(request).toCompletableFuture(); + return TranslateUtils.getReply(bdCompletableFuture); + } +} |