diff options
Diffstat (limited to 'v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/interfaces/VlanTagRewriteCustomizer.java')
| -rw-r--r-- | v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/interfaces/VlanTagRewriteCustomizer.java | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/interfaces/VlanTagRewriteCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/interfaces/VlanTagRewriteCustomizer.java new file mode 100644 index 000000000..7e7e319eb --- /dev/null +++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/interfaces/VlanTagRewriteCustomizer.java @@ -0,0 +1,143 @@ +/* + * 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 com.google.common.base.Optional; +import com.google.common.base.Preconditions; +import io.fd.honeycomb.v3po.translate.spi.write.ChildWriterCustomizer; +import io.fd.honeycomb.v3po.translate.v3po.util.FutureJVppCustomizer; +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 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.TagRewriteOperation; +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.interfaces._interface.L2; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces._interface.l2.VlanTagRewrite; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces._interface.l2.VlanTagRewriteBuilder; +import org.opendaylight.yangtools.yang.binding.DataObject; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +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 VlanTagRewriteCustomizer extends FutureJVppCustomizer implements ChildWriterCustomizer<VlanTagRewrite> { + + private static final Logger LOG = LoggerFactory.getLogger(VlanTagRewriteCustomizer.class); + private final NamingContext interfaceContext; + + public VlanTagRewriteCustomizer(@Nonnull final FutureJVpp futureJvpp, + @Nonnull final NamingContext interfaceContext) { + super(futureJvpp); + this.interfaceContext = Preconditions.checkNotNull(interfaceContext, "interfaceContext should not be null"); + } + + @Nonnull + @Override + public Optional<VlanTagRewrite> extract(@Nonnull final InstanceIdentifier<VlanTagRewrite> currentId, + @Nonnull final DataObject parentData) { + return Optional.fromNullable(((L2) parentData).getVlanTagRewrite()); + } + + @Override + public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<VlanTagRewrite> id, + @Nonnull final VlanTagRewrite dataAfter, @Nonnull final WriteContext writeContext) + throws WriteFailedException.CreateFailedException { + try { + setTagRewrite(id.firstKeyOf(Interface.class).getName(), dataAfter); + } catch (VppApiInvocationException e) { + throw new WriteFailedException.CreateFailedException(id, dataAfter, e); + } + } + + private void setTagRewrite(final String ifname, final VlanTagRewrite cfg) throws VppApiInvocationException { + final int swIfIndex = interfaceContext.getIndex(ifname); + LOG.debug("Setting tag rewrite for interface {}(id=): {}", ifname, swIfIndex, cfg); + + final CompletionStage<L2InterfaceVlanTagRewriteReply> replyCompletionStage = + getFutureJVpp().l2InterfaceVlanTagRewrite(getTagRewriteRequest(swIfIndex, cfg)); + + final L2InterfaceVlanTagRewriteReply reply = V3poUtils.getReply(replyCompletionStage.toCompletableFuture()); + if (reply.retval < 0) { + LOG.debug("Failed to set tag rewrite for interface {}(id=): {}", ifname, swIfIndex, cfg); + throw new VppApiInvocationException("l2InterfaceVlanTagRewrite", reply.context, reply.retval); + } else { + LOG.debug("Tag rewrite for interface {}(id=) set successfully: {}", ifname, swIfIndex, cfg); + } + } + + private L2InterfaceVlanTagRewrite getTagRewriteRequest(final int swIfIndex, final VlanTagRewrite cfg) { + final L2InterfaceVlanTagRewrite request = new L2InterfaceVlanTagRewrite(); + request.swIfIndex = swIfIndex; + + request.vtrOp = cfg.getRewriteOperation().getIntValue(); // TODO make mandatory + request.pushDot1Q = (byte) (VlanType._802dot1q.equals(cfg.getFirstPushed()) + ? 1 + : 0); + final VlanTag tag1 = cfg.getTag1(); + if (tag1 != null) { + request.tag1 = tag1.getValue(); + } + final VlanTag tag2 = cfg.getTag2(); + if (tag2 != null) { + request.tag2 = tag2.getValue(); + } + return request; + } + + @Override + public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<VlanTagRewrite> id, + @Nonnull final VlanTagRewrite dataBefore, + @Nonnull final VlanTagRewrite dataAfter, @Nonnull final WriteContext writeContext) + throws WriteFailedException { + if (dataBefore.equals(dataAfter)) { + LOG.debug("dataBefore equals dataAfter, update will not be performed"); + return; + } + try { + setTagRewrite(id.firstKeyOf(Interface.class).getName(), dataAfter); + } catch (VppApiInvocationException e) { + throw new WriteFailedException.UpdateFailedException(id, dataBefore, dataAfter, e); + } + } + + @Override + public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<VlanTagRewrite> id, + @Nonnull final VlanTagRewrite dataBefore, @Nonnull final WriteContext writeContext) + throws WriteFailedException.DeleteFailedException { + try { + // disable tag rewrite + final VlanTagRewriteBuilder builder = new VlanTagRewriteBuilder(); + builder.setRewriteOperation(TagRewriteOperation.Disabled); + setTagRewrite(id.firstKeyOf(Interface.class).getName(), builder.build()); + } catch (VppApiInvocationException e) { + throw new WriteFailedException.DeleteFailedException(id, e); + } + } +} |