From 5ec31f19f7a74a884e2bef8e5238fdd4cfa2c4c2 Mon Sep 17 00:00:00 2001 From: Jan Srnicek Date: Tue, 14 Mar 2017 09:29:12 +0100 Subject: HC2VPP-7 - Split vpp state/Cli RPC to separate module Introduces VppManageModule containing - Vpp state attributes - CLI RPC support - Keep-alive Change-Id: I8907e57132cc9e57840aa3b9607fa131a77f767d Signed-off-by: Jan Srnicek --- .../io/fd/hc2vpp/v3po/l2/L2FibEntryCustomizer.java | 143 +++++++++++++++++++++ 1 file changed, 143 insertions(+) create mode 100644 v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/l2/L2FibEntryCustomizer.java (limited to 'v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/l2/L2FibEntryCustomizer.java') diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/l2/L2FibEntryCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/l2/L2FibEntryCustomizer.java new file mode 100644 index 000000000..db2e0aef0 --- /dev/null +++ b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/l2/L2FibEntryCustomizer.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.hc2vpp.v3po.l2; + +import static com.google.common.base.Preconditions.checkArgument; +import static com.google.common.base.Preconditions.checkNotNull; + +import com.google.common.primitives.Longs; +import io.fd.hc2vpp.common.translate.util.ByteDataTranslator; +import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer; +import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer; +import io.fd.hc2vpp.common.translate.util.MacTranslator; +import io.fd.hc2vpp.common.translate.util.NamingContext; +import io.fd.honeycomb.translate.MappingContext; +import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer; +import io.fd.honeycomb.translate.write.WriteContext; +import io.fd.honeycomb.translate.write.WriteFailedException; +import io.fd.vpp.jvpp.core.dto.L2FibAddDel; +import io.fd.vpp.jvpp.core.dto.L2FibAddDelReply; +import io.fd.vpp.jvpp.core.future.FutureJVppCore; +import java.util.concurrent.CompletionStage; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.L2FibFilter; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.bridge.domains.BridgeDomain; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.l2.fib.attributes.l2.fib.table.L2FibEntry; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.l2.fib.attributes.l2.fib.table.L2FibEntryKey; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Writer Customizer responsible for L2 FIB create/delete operations.
Sends {@code l2_fib_add_del} message to + * VPP.
Equivalent of invoking {@code vppctl l2fib add/del} command. + */ +public class L2FibEntryCustomizer extends FutureJVppCustomizer + implements ListWriterCustomizer, ByteDataTranslator, MacTranslator, + JvppReplyConsumer { + + private static final Logger LOG = LoggerFactory.getLogger(L2FibEntryCustomizer.class); + public static final int NO_INTERFACE_REF = -1; + + private final NamingContext bdContext; + private final NamingContext interfaceContext; + + public L2FibEntryCustomizer(@Nonnull final FutureJVppCore futureJVppCore, @Nonnull final NamingContext bdContext, + @Nonnull final NamingContext interfaceContext) { + super(futureJVppCore); + this.bdContext = checkNotNull(bdContext, "bdContext should not be null"); + this.interfaceContext = checkNotNull(interfaceContext, "interfaceContext should not be null"); + } + + @Override + public void writeCurrentAttributes(@Nonnull final InstanceIdentifier id, + @Nonnull final L2FibEntry dataAfter, @Nonnull final WriteContext writeContext) + throws WriteFailedException { + + LOG.debug("Creating L2 FIB entry: {} {}", id, dataAfter); + l2FibAddDel(id, dataAfter, writeContext, true); + LOG.debug("L2 FIB entry created successfully: {} {}", id, dataAfter); + } + + @Override + public void updateCurrentAttributes(@Nonnull final InstanceIdentifier 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 id, + @Nonnull final L2FibEntry dataBefore, @Nonnull final WriteContext writeContext) + throws WriteFailedException { + + LOG.debug("Deleting L2 FIB entry: {} {}", id, dataBefore); + l2FibAddDel(id, dataBefore, writeContext, false); + LOG.debug("L2 FIB entry deleted successfully: {} {}", id, dataBefore); + } + + private void l2FibAddDel(@Nonnull final InstanceIdentifier id, @Nonnull final L2FibEntry entry, + final WriteContext writeContext, boolean isAdd) throws WriteFailedException { + final String bdName = id.firstKeyOf(BridgeDomain.class).getName(); + final MappingContext mappingContext = writeContext.getMappingContext(); + final int bdId = bdContext.getIndex(bdName, mappingContext); + + final L2FibAddDel l2FibRequest = createL2FibRequest(entry, bdId, getCheckedInterfaceIndex(entry, + mappingContext), isAdd); + LOG.debug("Sending l2FibAddDel request: {}", l2FibRequest); + final CompletionStage l2FibAddDelReplyCompletionStage = + getFutureJVpp().l2FibAddDel(l2FibRequest); + + getReplyForWrite(l2FibAddDelReplyCompletionStage.toCompletableFuture(), id); + } + + private int getCheckedInterfaceIndex(final L2FibEntry entry, final MappingContext mappingContext) { + if (L2FibFilter.class == entry.getAction()) { + // if filter, interface should not be defined + checkArgument(entry.getOutgoingInterface() == null, "Interface reference should not be defined for type %s", + L2FibFilter.class); + return NO_INTERFACE_REF; + } else { + // if type is not filter, interface reference is mandatory + return interfaceContext.getIndex( + checkNotNull(entry.getOutgoingInterface(), "Interface reference should be defined for type %s", + entry.getAction()), mappingContext); + } + } + + 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 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); + } +} -- cgit 1.2.3-korg