diff options
Diffstat (limited to 'v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/read/VxlanCustomizer.java')
| -rw-r--r-- | v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/read/VxlanCustomizer.java | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/read/VxlanCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/read/VxlanCustomizer.java new file mode 100644 index 000000000..f2376bb45 --- /dev/null +++ b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/read/VxlanCustomizer.java @@ -0,0 +1,164 @@ +/* + * 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.hc2vpp.v3po.read; + +import static com.google.common.base.Preconditions.checkState; + +import com.google.common.primitives.UnsignedInts; +import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer; +import io.fd.hc2vpp.common.translate.util.Ipv4Translator; +import io.fd.hc2vpp.common.translate.util.Ipv6Translator; +import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer; +import io.fd.hc2vpp.common.translate.util.NamingContext; +import io.fd.hc2vpp.v3po.read.cache.InterfaceCacheDumpManager; +import io.fd.honeycomb.translate.read.ReadContext; +import io.fd.honeycomb.translate.read.ReadFailedException; +import io.fd.honeycomb.translate.spi.read.Initialized; +import io.fd.honeycomb.translate.spi.read.InitializingReaderCustomizer; +import io.fd.honeycomb.translate.util.RWUtils; +import io.fd.jvpp.core.dto.VxlanTunnelDetails; +import io.fd.jvpp.core.dto.VxlanTunnelDetailsReplyDump; +import io.fd.jvpp.core.dto.VxlanTunnelDump; +import io.fd.jvpp.core.future.FutureJVppCore; +import java.util.concurrent.CompletionStage; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.L2Input; +import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.NshProxy; +import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.VppInterfaceAugmentation; +import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.VppInterfaceAugmentationBuilder; +import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.VxlanTunnel; +import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.VxlanVni; +import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.interfaces._interface.Vxlan; +import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.interfaces._interface.VxlanBuilder; +import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.fib.table.management.rev180521.VniReference; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddressNoZone; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.Interface; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.InterfaceKey; +import org.opendaylight.yangtools.concepts.Builder; +import org.opendaylight.yangtools.yang.binding.DataObject; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class VxlanCustomizer extends FutureJVppCustomizer + implements InitializingReaderCustomizer<Vxlan, VxlanBuilder>, InterfaceDataTranslator, JvppReplyConsumer, + Ipv4Translator, Ipv6Translator { + + private static final Logger LOG = LoggerFactory.getLogger(VxlanCustomizer.class); + private final NamingContext interfaceContext; + private final InterfaceCacheDumpManager dumpManager; + + public VxlanCustomizer(@Nonnull final FutureJVppCore jvpp, @Nonnull final NamingContext interfaceContext, + @Nonnull final InterfaceCacheDumpManager dumpManager) { + super(jvpp); + this.interfaceContext = interfaceContext; + this.dumpManager = dumpManager; + } + + @Override + public void merge(@Nonnull Builder<? extends DataObject> parentBuilder, + @Nonnull Vxlan readValue) { + ((VppInterfaceAugmentationBuilder) parentBuilder).setVxlan(readValue); + } + + @Nonnull + @Override + public VxlanBuilder getBuilder(@Nonnull InstanceIdentifier<Vxlan> id) { + return new VxlanBuilder(); + } + + @Override + public void readCurrentAttributes(@Nonnull final InstanceIdentifier<Vxlan> id, + @Nonnull final VxlanBuilder builder, + @Nonnull final ReadContext ctx) throws ReadFailedException { + + final InterfaceKey key = id.firstKeyOf(Interface.class); + final int index = interfaceContext.getIndex(key.getName(), ctx.getMappingContext()); + if (!isInterfaceOfType(dumpManager, id, ctx, VxlanTunnel.class)) { + return; + } + + LOG.debug("Reading attributes for vxlan tunnel: {}", key.getName()); + // Dump just a single + final VxlanTunnelDump request = new VxlanTunnelDump(); + request.swIfIndex = index; + + final CompletionStage<VxlanTunnelDetailsReplyDump> swInterfaceVxlanDetailsReplyDumpCompletionStage = + getFutureJVpp().vxlanTunnelDump(request); + final VxlanTunnelDetailsReplyDump reply = + getReplyForRead(swInterfaceVxlanDetailsReplyDumpCompletionStage.toCompletableFuture(), id); + + // VPP keeps vxlan tunnel interfaces even after they were deleted (optimization) + // However there ar no longer any vxlan tunnel specific fields assigned to it and this call + // returns nothing + if (reply == null || reply.vxlanTunnelDetails == null || reply.vxlanTunnelDetails.isEmpty()) { + LOG.debug( + "Vxlan tunnel {}, id {} has no attributes assigned in VPP. Probably is a leftover interface placeholder" + + "after delete", key.getName(), index); + return; + } + + checkState(reply.vxlanTunnelDetails.size() == 1, + "Unexpected number of returned vxlan tunnels: {} for tunnel: {}", reply.vxlanTunnelDetails, + key.getName()); + LOG.trace("Vxlan tunnel: {} attributes returned from VPP: {}", key.getName(), reply); + + final VxlanTunnelDetails swInterfaceVxlanDetails = reply.vxlanTunnelDetails.get(0); + if (swInterfaceVxlanDetails.isIpv6 == 1) { + builder.setDst(new IpAddressNoZone(arrayToIpv6AddressNoZone(swInterfaceVxlanDetails.dstAddress))); + builder.setSrc(new IpAddressNoZone(arrayToIpv6AddressNoZone(swInterfaceVxlanDetails.srcAddress))); + } else { + builder.setDst(new IpAddressNoZone(arrayToIpv4AddressNoZone(swInterfaceVxlanDetails.dstAddress))); + builder.setSrc(new IpAddressNoZone(arrayToIpv4AddressNoZone(swInterfaceVxlanDetails.srcAddress))); + } + builder.setEncapVrfId(new VniReference(UnsignedInts.toLong(swInterfaceVxlanDetails.encapVrfId))); + builder.setVni(new VxlanVni(UnsignedInts.toLong(swInterfaceVxlanDetails.vni))); + switch (swInterfaceVxlanDetails.decapNextIndex) { + case 1: + builder.setDecapNext(L2Input.class); + break; + case 2: + builder.setDecapNext(NshProxy.class); + break; + default: + LOG.trace("Unsupported decap next index for vxlan: {}", swInterfaceVxlanDetails.decapNextIndex); + return; + } + LOG.debug("Vxlan tunnel: {}, id: {} attributes read as: {}", key.getName(), index, builder); + } + + @Override + public Initialized<org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.interfaces._interface.Vxlan> init( + @Nonnull final InstanceIdentifier<Vxlan> id, @Nonnull final Vxlan readValue, + @Nonnull final ReadContext ctx) { + return Initialized.create(getCfgId(id), + new org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.interfaces._interface.VxlanBuilder() + .setDst(readValue.getDst()) + .setSrc(readValue.getSrc()) + .setEncapVrfId(readValue.getEncapVrfId()) + .setVni(new VxlanVni(readValue.getVni())) + .setDecapNext(readValue.getDecapNext()) + .build()); + } + + private InstanceIdentifier<org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.interfaces._interface.Vxlan> getCfgId( + final InstanceIdentifier<Vxlan> id) { + return InterfaceCustomizer.getCfgId(RWUtils.cutId(id, Interface.class)) + .augmentation(VppInterfaceAugmentation.class) + .child(org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.interfaces._interface.Vxlan.class); + } +} |