diff options
Diffstat (limited to 'v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/RewriteCustomizer.java')
| -rw-r--r-- | v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/RewriteCustomizer.java | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/RewriteCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/RewriteCustomizer.java new file mode 100644 index 000000000..86af47709 --- /dev/null +++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/RewriteCustomizer.java @@ -0,0 +1,154 @@ +/* + * 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.interfaces; + +import static io.fd.honeycomb.translate.v3po.util.TranslateUtils.booleanToByte; + +import com.google.common.base.Preconditions; +import io.fd.honeycomb.translate.write.WriteContext; +import io.fd.honeycomb.translate.spi.write.WriterCustomizer; +import io.fd.honeycomb.translate.v3po.util.FutureJVppCustomizer; +import io.fd.honeycomb.translate.v3po.util.NamingContext; +import io.fd.honeycomb.translate.v3po.util.SubInterfaceUtils; +import io.fd.honeycomb.translate.v3po.util.TagRewriteOperation; +import io.fd.honeycomb.translate.v3po.util.TranslateUtils; +import io.fd.honeycomb.translate.v3po.util.WriteTimeoutException; +import io.fd.honeycomb.translate.write.WriteFailedException; +import java.util.List; +import java.util.concurrent.CompletionStage; +import javax.annotation.Nonnull; +import org.apache.commons.lang3.builder.ReflectionToStringBuilder; +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.vpp.vlan.rev150527._802dot1q; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev150527.interfaces._interface.sub.interfaces.SubInterface; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev150527.sub._interface.base.attributes.l2.Rewrite; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev150527.sub._interface.base.attributes.l2.RewriteBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev150527.tag.rewrite.PushTags; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.openvpp.jvpp.VppBaseCallException; +import org.openvpp.jvpp.dto.L2InterfaceVlanTagRewrite; +import org.openvpp.jvpp.dto.L2InterfaceVlanTagRewriteReply; +import org.openvpp.jvpp.future.FutureJVpp; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Writer Customizer responsible for vlan tag rewrite.<br> Sends {@code l2_interface_vlan_tag_rewrite} message to + * VPP.<br> Equivalent of invoking {@code vppctl set interface l2 tag-rewrite} command. + */ +public class RewriteCustomizer extends FutureJVppCustomizer implements WriterCustomizer<Rewrite> { + + private static final Logger LOG = LoggerFactory.getLogger(RewriteCustomizer.class); + private final NamingContext interfaceContext; + + public RewriteCustomizer(@Nonnull final FutureJVpp futureJvpp, + @Nonnull final NamingContext interfaceContext) { + super(futureJvpp); + this.interfaceContext = Preconditions.checkNotNull(interfaceContext, "interfaceContext should not be null"); + } + + @Override + public void writeCurrentAttributes(final InstanceIdentifier<Rewrite> id, final Rewrite dataAfter, + final WriteContext writeContext) + throws WriteFailedException { + final String subifName = getSubInterfaceName(id); + try { + setTagRewrite(id, subifName, dataAfter, writeContext); + } catch (VppBaseCallException e) { + LOG.warn("Failed to write interface {}(id=): {}", subifName, writeContext, dataAfter); + throw new WriteFailedException.CreateFailedException(id, dataAfter, e); + } + } + + private static String getSubInterfaceName(final InstanceIdentifier<Rewrite> id) { + return SubInterfaceUtils.getSubInterfaceName(id.firstKeyOf(Interface.class).getName(), + Math.toIntExact(id.firstKeyOf(SubInterface.class).getIdentifier())); + } + + private void setTagRewrite(final InstanceIdentifier<Rewrite> id, final String ifname, final Rewrite rewrite, + final WriteContext writeContext) + throws VppBaseCallException, WriteTimeoutException { + final int swIfIndex = interfaceContext.getIndex(ifname, writeContext.getMappingContext()); + LOG.debug("Setting tag rewrite for interface {}(id=): {}", ifname, swIfIndex, rewrite); + + final CompletionStage<L2InterfaceVlanTagRewriteReply> replyCompletionStage = + getFutureJVpp().l2InterfaceVlanTagRewrite(getTagRewriteRequest(swIfIndex, rewrite)); + + TranslateUtils.getReplyForWrite(replyCompletionStage.toCompletableFuture(), id); + LOG.debug("Tag rewrite for interface {}(id=) set successfully: {}", ifname, swIfIndex, rewrite); + } + + private L2InterfaceVlanTagRewrite getTagRewriteRequest(final int swIfIndex, final Rewrite rewrite) { + final L2InterfaceVlanTagRewrite request = new L2InterfaceVlanTagRewrite(); + request.swIfIndex = swIfIndex; + request.pushDot1Q = booleanToByte(_802dot1q.class == rewrite.getVlanType()); + + final List<PushTags> pushTags = rewrite.getPushTags(); + final Short popTags = rewrite.getPopTags(); + + final int numberOfTagsToPop = popTags == null + ? 0 + : popTags.intValue(); + final int numberOfTagsToPush = pushTags == null + ? 0 + : pushTags.size(); + + request.vtrOp = TagRewriteOperation.get(numberOfTagsToPop, numberOfTagsToPush).ordinal(); + + if (numberOfTagsToPush > 0) { + for (final PushTags tag : pushTags) { + if (tag.getIndex() == 0) { + request.tag1 = tag.getDot1qTag().getVlanId().getValue(); + } else { + request.tag2 = tag.getDot1qTag().getVlanId().getValue(); + } + } + } + + LOG.debug("Generated tag rewrite request: {}", ReflectionToStringBuilder.toString(request)); + return request; + } + + @Override + public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<Rewrite> id, + @Nonnull final Rewrite dataBefore, + @Nonnull final Rewrite dataAfter, @Nonnull final WriteContext writeContext) + throws WriteFailedException { + final String subifName = getSubInterfaceName(id); + try { + setTagRewrite(id, subifName, dataAfter, writeContext); + } catch (VppBaseCallException e) { + LOG.warn("Failed to update interface {}(id=): {}", subifName, writeContext, dataAfter); + throw new WriteFailedException.UpdateFailedException(id, dataBefore, dataAfter, e); + } + } + + @Override + public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<Rewrite> id, + @Nonnull final Rewrite dataBefore, @Nonnull final WriteContext writeContext) + throws WriteFailedException { + final String subifName = getSubInterfaceName(id); + try { + LOG.debug("Disabling tag rewrite for interface {}", subifName); + final Rewrite rewrite = new RewriteBuilder().build(); // rewrite without push and pops will cause delete + setTagRewrite(id, subifName, rewrite, writeContext); + } catch (VppBaseCallException e) { + LOG.warn("Failed to delete interface {}(id=): {}", subifName, writeContext, dataBefore); + throw new WriteFailedException.DeleteFailedException(id, e); + } + } +} |