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Diffstat (limited to 'v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/interfaces/SubInterfaceCustomizer.java')
| -rw-r--r-- | v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/interfaces/SubInterfaceCustomizer.java | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/interfaces/SubInterfaceCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/interfaces/SubInterfaceCustomizer.java new file mode 100644 index 000000000..ecf2337e8 --- /dev/null +++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/interfaces/SubInterfaceCustomizer.java @@ -0,0 +1,153 @@ +/* + * 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.interfaces; + +import static io.fd.honeycomb.v3po.translate.v3po.utils.V3poUtils.booleanToByte; + +import com.google.common.base.Optional; +import com.google.common.base.Preconditions; +import io.fd.honeycomb.v3po.translate.v3po.util.AbstractInterfaceTypeCustomizer; +import io.fd.honeycomb.v3po.translate.v3po.util.NamingContext; +import io.fd.honeycomb.v3po.translate.v3po.util.VppApiInvocationException; +import io.fd.honeycomb.v3po.translate.v3po.utils.V3poUtils; +import io.fd.honeycomb.v3po.translate.write.WriteContext; +import io.fd.honeycomb.v3po.translate.write.WriteFailedException; +import java.util.concurrent.CompletionStage; +import javax.annotation.Nonnull; +import javax.annotation.Nullable; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfaceType; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VlanTag; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VlanType; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VppInterfaceAugmentation; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces._interface.SubInterface; +import org.opendaylight.yangtools.yang.binding.DataObject; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.openvpp.jvpp.dto.CreateSubif; +import org.openvpp.jvpp.dto.CreateSubifReply; +import org.openvpp.jvpp.future.FutureJVpp; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Writer Customizer responsible for sub interface creation.<br> + * Sends {@code create_subif} message to VPP.<br> + * Equivalent of invoking {@code vppclt create subif} command. + */ +public class SubInterfaceCustomizer extends AbstractInterfaceTypeCustomizer<SubInterface> { + + private static final Logger LOG = LoggerFactory.getLogger(SubInterfaceCustomizer.class); + private final NamingContext interfaceContext; + + public SubInterfaceCustomizer(@Nonnull final FutureJVpp futureJvpp, @Nonnull final NamingContext interfaceContext) { + super(futureJvpp); + this.interfaceContext = Preconditions.checkNotNull(interfaceContext, "interfaceContext should not be null"); + } + + @Nonnull + @Override + public Optional<SubInterface> extract(@Nonnull final InstanceIdentifier<SubInterface> currentId, + @Nonnull final DataObject parentData) { + return Optional.fromNullable(((VppInterfaceAugmentation) parentData).getSubInterface()); + } + + @Override + protected Class<? extends InterfaceType> getExpectedInterfaceType() { + return org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.SubInterface.class; + } + + @Override + public void writeInterface(@Nonnull final InstanceIdentifier<SubInterface> id, + @Nonnull final SubInterface dataAfter, @Nonnull final WriteContext writeContext) + throws WriteFailedException.CreateFailedException { + try { + createSubInterface(id.firstKeyOf(Interface.class).getName(), dataAfter); + } catch (VppApiInvocationException e) { + throw new WriteFailedException.CreateFailedException(id, dataAfter, e); + } + } + + private void createSubInterface(final String swIfName, final SubInterface subInterface) throws VppApiInvocationException { + final String superIfName = subInterface.getSuperInterface(); + final int swIfIndex = interfaceContext.getIndex(superIfName); + LOG.debug("Creating sub interface of {}(id={}): name={}, subInterface={}", superIfName, swIfIndex, swIfName, subInterface); + final CompletionStage<CreateSubifReply> createSubifReplyCompletionStage = + getFutureJVpp().createSubif(getCreateSubifRequest(subInterface, swIfIndex)); + + final CreateSubifReply reply = + V3poUtils.getReply(createSubifReplyCompletionStage.toCompletableFuture()); + if (reply.retval < 0) { + LOG.debug("Failed to create sub interface for: {}, subInterface: {}", swIfName, subInterface); + throw new VppApiInvocationException("createSubif", reply.context, reply.retval); + } else { + LOG.debug("Sub interface created successfully for: {}, subInterface: {}", swIfName, subInterface); + // Add new interface to our interface context + interfaceContext.addName(reply.swIfIndex, swIfName); + } + } + + private CreateSubif getCreateSubifRequest(final SubInterface subInterface, final int swIfIndex) { + CreateSubif request = new CreateSubif(); + request.subId = Math.toIntExact(subInterface.getIdentifier().intValue()); + request.swIfIndex = swIfIndex; + switch (subInterface.getNumberOfTags()) { + case 0: + request.noTags = 1; + break; + case 1: + request.oneTag = 1; + break; + case 2: + request.twoTags = 1; + break; + } + request.dot1Ad = booleanToByte(VlanType._802dot1q.equals(subInterface.getVlanType())); + request.exactMatch = booleanToByte(subInterface.isExactMatch()); + request.defaultSub = booleanToByte(subInterface.isDefaultSubif()); + request.outerVlanIdAny = booleanToByte(subInterface.isMatchAnyInnerId()); + request.innerVlanIdAny = booleanToByte(subInterface.isMatchAnyInnerId()); + request.outerVlanId = vlanTagToChar(subInterface.getOuterId()); + request.innerVlanId = vlanTagToChar(subInterface.getInnerId()); + return request; + } + + private static char vlanTagToChar(@Nullable VlanTag tag) { + if (tag == null) { + return 0; // tell VPP that optional argument is missing + } else { + return (char)tag.getValue().intValue(); + } + } + + @Override + public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<SubInterface> id, + @Nonnull final SubInterface dataBefore, @Nonnull final SubInterface dataAfter, + @Nonnull final WriteContext writeContext) throws WriteFailedException.UpdateFailedException { + if (dataBefore.equals(dataAfter)) { + LOG.debug("dataBefore equals dataAfter, update will not be performed"); + return; + } + throw new UnsupportedOperationException("Sub interface update is not supported"); + } + + @Override + public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<SubInterface> id, + @Nonnull final SubInterface dataBefore, @Nonnull final WriteContext writeContext) + throws WriteFailedException.DeleteFailedException { + throw new UnsupportedOperationException("Sub interface delete is not supported"); + } +} |