diff options
Diffstat (limited to 'v3po/v3po2vpp/src/main/java/io')
-rw-r--r-- | v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vpp/L2FibEntryCustomizer.java | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vpp/L2FibEntryCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vpp/L2FibEntryCustomizer.java new file mode 100644 index 000000000..712938190 --- /dev/null +++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vpp/L2FibEntryCustomizer.java @@ -0,0 +1,150 @@ +/* + * 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.vpp; + +import static io.fd.honeycomb.v3po.translate.v3po.util.TranslateUtils.booleanToByte; +import static io.fd.honeycomb.v3po.translate.v3po.util.TranslateUtils.parseMac; + +import com.google.common.base.Optional; +import com.google.common.base.Preconditions; +import com.google.common.primitives.Longs; +import io.fd.honeycomb.v3po.translate.spi.write.ListWriterCustomizer; +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.TranslateUtils; +import io.fd.honeycomb.v3po.translate.write.WriteContext; +import io.fd.honeycomb.v3po.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.opendaylight.params.xml.ns.yang.v3po.rev150105.L2FibFilter; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.l2.fib.attributes.L2FibTable; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.l2.fib.attributes.l2.fib.table.L2FibEntry; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.l2.fib.attributes.l2.fib.table.L2FibEntryKey; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.bridge.domains.BridgeDomain; +import org.opendaylight.yangtools.yang.binding.DataObject; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.openvpp.jvpp.VppBaseCallException; +import org.openvpp.jvpp.dto.L2FibAddDel; +import org.openvpp.jvpp.dto.L2FibAddDelReply; +import org.openvpp.jvpp.future.FutureJVpp; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Writer Customizer responsible for L2 FIB create/delete operations.<br> Sends {@code l2_fib_add_del} message to + * VPP.<br> Equivalent of invoking {@code vppctl l2fib add/del} command. + */ +public class L2FibEntryCustomizer extends FutureJVppCustomizer + implements ListWriterCustomizer<L2FibEntry, L2FibEntryKey> { + + private static final Logger LOG = LoggerFactory.getLogger(L2FibEntryCustomizer.class); + + private final NamingContext bdContext; + private final NamingContext interfaceContext; + + public L2FibEntryCustomizer(@Nonnull final FutureJVpp futureJvpp, @Nonnull final NamingContext bdContext, + @Nonnull final NamingContext interfaceContext) { + super(futureJvpp); + this.bdContext = Preconditions.checkNotNull(bdContext, "bdContext should not be null"); + this.interfaceContext = Preconditions.checkNotNull(interfaceContext, "interfaceContext should not be null"); + } + + @Nonnull + @Override + public Optional<List<L2FibEntry>> extract(@Nonnull final InstanceIdentifier<L2FibEntry> currentId, + @Nonnull final DataObject parentData) { + return Optional.fromNullable(((L2FibTable) parentData).getL2FibEntry()); + } + + @Override + public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<L2FibEntry> id, + @Nonnull final L2FibEntry dataAfter, @Nonnull final WriteContext writeContext) + throws WriteFailedException.CreateFailedException { + try { + LOG.debug("Creating L2 FIB entry: {} {}", id, dataAfter); + l2FibAddDel(id, dataAfter, writeContext, true); + LOG.debug("L2 FIB entry created successfully: {} {}", id, dataAfter); + } catch (VppBaseCallException e) { + LOG.warn("Failed to create L2 FIB entry: {} {}", id, dataAfter); + throw new WriteFailedException.CreateFailedException(id, dataAfter, e); + } + } + + @Override + public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<L2FibEntry> id, + @Nonnull final L2FibEntry dataBefore, @Nonnull final L2FibEntry dataAfter, + @Nonnull final WriteContext writeContext) throws WriteFailedException { + throw new UnsupportedOperationException( + "L2 FIB entry update is not supported. It has to be deleted and then created."); + } + + @Override + public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<L2FibEntry> id, + @Nonnull final L2FibEntry dataBefore, @Nonnull final WriteContext writeContext) + throws WriteFailedException.DeleteFailedException { + try { + LOG.debug("Deleting L2 FIB entry: {} {}", id, dataBefore); + l2FibAddDel(id, dataBefore, writeContext, false); + LOG.debug("L2 FIB entry deleted successfully: {} {}", id, dataBefore); + } catch (VppBaseCallException e) { + LOG.warn("Failed to delete L2 FIB entry: {} {}", id, dataBefore); + throw new WriteFailedException.DeleteFailedException(id, e); + } + } + + private void l2FibAddDel(@Nonnull final InstanceIdentifier<L2FibEntry> id, @Nonnull final L2FibEntry entry, + final WriteContext writeContext, boolean isAdd) throws VppBaseCallException { + final String bdName = id.firstKeyOf(BridgeDomain.class).getName(); + final int bdId = bdContext.getIndex(bdName, writeContext.getMappingContext()); + + int swIfIndex = -1; + final String swIfName = entry.getOutgoingInterface(); + if (swIfName != null) { + swIfIndex = interfaceContext.getIndex(swIfName, writeContext.getMappingContext()); + } + + final L2FibAddDel l2FibRequest = createL2FibRequest(entry, bdId, swIfIndex, isAdd); + LOG.debug("Sending l2FibAddDel request: {}", ReflectionToStringBuilder.toString(l2FibRequest)); + final CompletionStage<L2FibAddDelReply> l2FibAddDelReplyCompletionStage = + getFutureJVpp().l2FibAddDel(l2FibRequest); + + TranslateUtils.getReply(l2FibAddDelReplyCompletionStage.toCompletableFuture()); + } + + private L2FibAddDel createL2FibRequest(final L2FibEntry entry, final int bdId, final int swIfIndex, boolean isAdd) { + final L2FibAddDel request = new L2FibAddDel(); + request.mac = macToLong(entry.getPhysAddress().getValue()); + request.bdId = bdId; + request.swIfIndex = swIfIndex; + request.isAdd = booleanToByte(isAdd); + if (isAdd) { + request.staticMac = booleanToByte(entry.isStaticConfig()); + request.filterMac = booleanToByte(L2FibFilter.class == entry.getAction()); + } + return request; + } + + // mac address is string of the form: 11:22:33:44:55:66 + // but VPP expects long value in the format 11:22:33:44:55:66:XX:XX + private static long macToLong(final String macAddress) { + final byte[] mac = parseMac(macAddress); + return Longs.fromBytes(mac[0], mac[1], mac[2], mac[3], + mac[4], mac[5], (byte) 0, (byte) 0); + } +} |