diff options
Diffstat (limited to 'lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/read/NativeForwardPathCustomizer.java')
| -rw-r--r-- | lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/read/NativeForwardPathCustomizer.java | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/read/NativeForwardPathCustomizer.java b/lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/read/NativeForwardPathCustomizer.java new file mode 100644 index 000000000..b8a59a181 --- /dev/null +++ b/lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/read/NativeForwardPathCustomizer.java @@ -0,0 +1,182 @@ +/* + * Copyright (c) 2017 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.lisp.gpe.translate.read; + +import static java.util.Arrays.stream; + +import io.fd.hc2vpp.common.translate.util.AddressTranslator; +import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer; +import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer; +import io.fd.hc2vpp.common.translate.util.NamingContext; +import io.fd.honeycomb.translate.ModificationCache; +import io.fd.honeycomb.translate.read.ReadContext; +import io.fd.honeycomb.translate.read.ReadFailedException; +import io.fd.honeycomb.translate.spi.read.Initialized; +import io.fd.honeycomb.translate.spi.read.InitializingListReaderCustomizer; +import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager; +import io.fd.vpp.jvpp.core.dto.GpeNativeFwdRpathsGet; +import io.fd.vpp.jvpp.core.dto.GpeNativeFwdRpathsGetReply; +import io.fd.vpp.jvpp.core.future.FutureJVppCore; +import io.fd.vpp.jvpp.core.types.GpeNativeFwdRpath; +import java.util.Arrays; +import java.util.List; +import java.util.Optional; +import java.util.stream.Collectors; +import java.util.stream.Stream; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518.NativeForwardPathsTables; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518._native.forward.paths.tables.NativeForwardPathsTableKey; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518._native.forward.paths.tables.state.NativeForwardPathsTable; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518._native.forward.paths.tables.state.NativeForwardPathsTableBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518._native.forward.paths.tables.state._native.forward.paths.table.NativeForwardPath; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518._native.forward.paths.tables.state._native.forward.paths.table.NativeForwardPathBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518._native.forward.paths.tables.state._native.forward.paths.table.NativeForwardPathKey; +import org.opendaylight.yangtools.concepts.Builder; +import org.opendaylight.yangtools.yang.binding.DataObject; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier; + +public class NativeForwardPathCustomizer extends FutureJVppCustomizer + implements InitializingListReaderCustomizer<NativeForwardPath, NativeForwardPathKey, NativeForwardPathBuilder>, + JvppReplyConsumer, AddressTranslator { + + private static final GpeNativeFwdRpathsGetReply DEFAULT_DUMP = new GpeNativeFwdRpathsGetReply(); + + private final NamingContext interfaceContext; + private final DumpCacheManager<GpeNativeFwdRpathsGetReply, Integer> dumpCacheManager; + + public NativeForwardPathCustomizer(@Nonnull final FutureJVppCore futureJVppCore, + @Nonnull final NamingContext interfaceContext) { + super(futureJVppCore); + this.interfaceContext = interfaceContext; + dumpCacheManager = new DumpCacheManager.DumpCacheManagerBuilder<GpeNativeFwdRpathsGetReply, Integer>() + .acceptOnly(GpeNativeFwdRpathsGetReply.class) + .withExecutor((identifier, params) -> { + final GpeNativeFwdRpathsGet request = new GpeNativeFwdRpathsGet(); + request.isIp4 = params.byteValue(); + return getReplyForRead(getFutureJVpp().gpeNativeFwdRpathsGet(request).toCompletableFuture(), + identifier); + }).build(); + } + + @Nonnull + @Override + public Initialized<? extends DataObject> init(@Nonnull final InstanceIdentifier<NativeForwardPath> id, + @Nonnull final NativeForwardPath readValue, + @Nonnull final ReadContext ctx) { + final Long tableId = id.firstKeyOf(NativeForwardPathsTable.class).getTableId(); + final KeyedInstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518._native.forward.paths.tables._native.forward.paths.table.NativeForwardPath, org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518._native.forward.paths.tables._native.forward.paths.table.NativeForwardPathKey> + cfgId = InstanceIdentifier.create(NativeForwardPathsTables.class) + .child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518._native.forward.paths.tables.NativeForwardPathsTable.class, + new NativeForwardPathsTableKey( + tableId)) + .child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518._native.forward.paths.tables._native.forward.paths.table.NativeForwardPath.class, + new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518._native.forward.paths.tables._native.forward.paths.table.NativeForwardPathKey( + readValue.getNextHopAddress())); + + final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518._native.forward.paths.tables._native.forward.paths.table.NativeForwardPath + cfgValue = + new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518._native.forward.paths.tables._native.forward.paths.table.NativeForwardPathBuilder() + .setNextHopAddress(readValue.getNextHopAddress()) + .setNextHopInterface(readValue.getNextHopInterface()) + .build(); + return Initialized.create(cfgId, cfgValue); + } + + @Nonnull + @Override + public List<NativeForwardPathKey> getAllIds(@Nonnull final InstanceIdentifier<NativeForwardPath> id, + @Nonnull final ReadContext context) throws ReadFailedException { + + final ModificationCache modificationCache = context.getModificationCache(); + final Long tableId = id.firstKeyOf(NativeForwardPathsTable.class).getTableId(); + return Stream.concat( + stream(v6Dump(id, modificationCache, dumpCacheManager).entries), + stream(v4Dump(id, modificationCache, dumpCacheManager).entries)) + // fib index temporally returns table id to be able to filter by table id + // field will be renamed in future + .filter(gpeNativeFwdRpath -> isFromFib(tableId, gpeNativeFwdRpath)) + .map(gpeNativeFwdRpath -> arrayToIpAddress(!byteToBoolean(gpeNativeFwdRpath.isIp4), + gpeNativeFwdRpath.nhAddr)) + .map(NativeForwardPathKey::new) + .collect(Collectors.toList()); + } + + @Override + public void merge(@Nonnull final Builder<? extends DataObject> builder, + @Nonnull final List<NativeForwardPath> readData) { + ((NativeForwardPathsTableBuilder) builder).setNativeForwardPath(readData); + } + + @Nonnull + @Override + public NativeForwardPathBuilder getBuilder(@Nonnull final InstanceIdentifier<NativeForwardPath> id) { + return new NativeForwardPathBuilder(); + } + + @Override + public void readCurrentAttributes(@Nonnull final InstanceIdentifier<NativeForwardPath> id, + @Nonnull final NativeForwardPathBuilder builder, + @Nonnull final ReadContext ctx) + throws ReadFailedException { + final IpAddress nextHopAddress = id.firstKeyOf(NativeForwardPath.class).getNextHopAddress(); + final ModificationCache modificationCache = ctx.getModificationCache(); + final boolean ipv6 = isIpv6(nextHopAddress); + final Long tableId = id.firstKeyOf(NativeForwardPathsTable.class).getTableId(); + + // dumps only needed address family + final Optional<GpeNativeFwdRpath> foundPath = Arrays.stream(ipv6 + ? v6Dump(id, modificationCache, dumpCacheManager).entries + : v4Dump(id, modificationCache, dumpCacheManager).entries) + .filter(gpeNativeFwdRpath -> isFromFib(tableId, gpeNativeFwdRpath)) + // TODO - HC2VPP-169 - use equals after resolving this issue + .filter(gpeNativeFwdRpath -> addressesEqual(nextHopAddress, + arrayToIpAddress(ipv6, gpeNativeFwdRpath.nhAddr))) + .findAny(); + + if (foundPath.isPresent()) { + final GpeNativeFwdRpath path = foundPath.get(); + builder.setNextHopAddress(arrayToIpAddress(ipv6, path.nhAddr)); + if (path.nhSwIfIndex != ~0) { + builder.setNextHopInterface(interfaceContext.getName(path.nhSwIfIndex, ctx.getMappingContext())); + } + } + } + + private static boolean isFromFib(final Long tableId, final GpeNativeFwdRpath gpeNativeFwdRpath) { + // fibIndex is temporally used to return table id + // ~0 is default, and 0 will be used internally in vpp + return gpeNativeFwdRpath.fibIndex == ~0 + ? 0 == tableId + : gpeNativeFwdRpath.fibIndex == tableId; + } + + private static GpeNativeFwdRpathsGetReply v4Dump(final @Nonnull InstanceIdentifier<?> id, + final ModificationCache modificationCache, + final DumpCacheManager<GpeNativeFwdRpathsGetReply, Integer> dumpCacheManager) + throws ReadFailedException { + return dumpCacheManager.getDump(id, modificationCache, 1).or(DEFAULT_DUMP); + } + + private static GpeNativeFwdRpathsGetReply v6Dump(final @Nonnull InstanceIdentifier<?> id, + final ModificationCache modificationCache, + final DumpCacheManager<GpeNativeFwdRpathsGetReply, Integer> dumpCacheManager) + throws ReadFailedException { + return dumpCacheManager.getDump(id, modificationCache, 0).or(DEFAULT_DUMP); + } +} |