diff options
Diffstat (limited to 'nsh/impl/src/main/java/io/fd/honeycomb/vppnsh/impl/oper/NshEntryReaderCustomizer.java')
| -rwxr-xr-x | nsh/impl/src/main/java/io/fd/honeycomb/vppnsh/impl/oper/NshEntryReaderCustomizer.java | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/nsh/impl/src/main/java/io/fd/honeycomb/vppnsh/impl/oper/NshEntryReaderCustomizer.java b/nsh/impl/src/main/java/io/fd/honeycomb/vppnsh/impl/oper/NshEntryReaderCustomizer.java new file mode 100755 index 000000000..53dff0b64 --- /dev/null +++ b/nsh/impl/src/main/java/io/fd/honeycomb/vppnsh/impl/oper/NshEntryReaderCustomizer.java @@ -0,0 +1,215 @@ +/* + * Copyright (c) 2016 Intel 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.vppnsh.impl.oper; + +import static com.google.common.base.Preconditions.checkArgument; +import static com.google.common.base.Preconditions.checkNotNull; +import static com.google.common.base.Preconditions.checkState; + +import io.fd.honeycomb.translate.read.ReadContext; +import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer; +import io.fd.honeycomb.translate.read.ReadFailedException; +import io.fd.honeycomb.translate.v3po.util.NamingContext; +import io.fd.honeycomb.translate.v3po.util.TranslateUtils; + +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; +import java.util.concurrent.CompletionStage; +import javax.annotation.Nonnull; + +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.Ethernet; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.Ipv4; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.Ipv6; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.NextProtocol; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.NshMdType1StateAugment; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.NshMdType1StateAugmentBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.MdType; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.MdType1; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.MdType2; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.VppNshStateBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.vpp.nsh.state.NshEntriesBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.vpp.nsh.state.nsh.entries.NshEntry; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.vpp.nsh.state.nsh.entries.NshEntryBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.vpp.nsh.state.nsh.entries.NshEntryKey; +import org.opendaylight.yangtools.concepts.Builder; +import org.opendaylight.yangtools.yang.binding.DataObject; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.openvpp.jvpp.VppBaseCallException; +import org.openvpp.jvpp.nsh.dto.NshEntryDump; +import org.openvpp.jvpp.nsh.dto.NshAddDelEntry; +import org.openvpp.jvpp.nsh.dto.NshEntryDetails; +import org.openvpp.jvpp.nsh.dto.NshEntryDetailsReplyDump; +import org.openvpp.jvpp.nsh.future.FutureJVppNsh; +import io.fd.honeycomb.vppnsh.impl.util.FutureJVppNshCustomizer; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Reader customizer responsible for nsh entry read.<br> to VPP. + */ +public class NshEntryReaderCustomizer extends FutureJVppNshCustomizer + implements ListReaderCustomizer<NshEntry, NshEntryKey, NshEntryBuilder> { + + private static final Logger LOG = LoggerFactory.getLogger(NshEntryReaderCustomizer.class); + private final NamingContext nshEntryContext; + + public NshEntryReaderCustomizer(@Nonnull final FutureJVppNsh futureJVppNsh, + @Nonnull final NamingContext nshEntryContext) { + super(futureJVppNsh); + this.nshEntryContext = checkNotNull(nshEntryContext, "nshEntryContext should not be null"); + } + + + @Override + public void merge(@Nonnull final Builder<? extends DataObject> builder, + @Nonnull final List<NshEntry> readData) { + ((NshEntriesBuilder) builder).setNshEntry(readData); + } + + @Nonnull + @Override + public NshEntryBuilder getBuilder(@Nonnull final InstanceIdentifier<NshEntry> id) { + return new NshEntryBuilder(); + } + + private void setNshEntryMdType1Augment(@Nonnull final NshEntryBuilder builder, + @Nonnull NshEntryDetails nshEntryDetails) { + final NshMdType1StateAugmentBuilder augmentBuilder = new NshMdType1StateAugmentBuilder(); + augmentBuilder.setC1((long)nshEntryDetails.c1); + augmentBuilder.setC2((long)nshEntryDetails.c2); + augmentBuilder.setC3((long)nshEntryDetails.c3); + augmentBuilder.setC4((long)nshEntryDetails.c4); + + builder.addAugmentation(NshMdType1StateAugment.class, augmentBuilder.build()); + } + + @Override + public void readCurrentAttributes(@Nonnull final InstanceIdentifier<NshEntry> id, + @Nonnull final NshEntryBuilder builder, @Nonnull final ReadContext ctx) + throws ReadFailedException { + LOG.debug("Reading attributes for nsh entry: {}", id); + try { + final NshEntryKey key = id.firstKeyOf(NshEntry.class); + checkArgument(key != null, "could not find NshEntry key in {}", id); + final NshEntryDump request = new NshEntryDump(); + + final String entryName = key.getName(); + if (!nshEntryContext.containsIndex(entryName, ctx.getMappingContext())) { + LOG.debug("Could not find nsh entry {} in the naming context", entryName); + return; + } + request.entryIndex = nshEntryContext.getIndex(entryName, ctx.getMappingContext()); + + final CompletionStage<NshEntryDetailsReplyDump> nshEntryDetailsReplyDumpCompletionStage = + getFutureJVppNsh().nshEntryDump(request); + final NshEntryDetailsReplyDump reply = + TranslateUtils.getReplyForRead(nshEntryDetailsReplyDumpCompletionStage.toCompletableFuture(), id); + + if (reply == null || reply.nshEntryDetails == null || reply.nshEntryDetails.isEmpty()) { + LOG.debug("Has no Nsh Entry {} in VPP. ", key.getName()); + return; + } + + LOG.trace("Nsh Entry : {} attributes returned from VPP: {}", key.getName(), reply); + + final NshEntryDetails nshEntryDetails = reply.nshEntryDetails.get(0); + builder.setName(entryName); + builder.setKey(key); + builder.setVersion( (short) nshEntryDetails.verOC ); + builder.setLength( (short) nshEntryDetails.length ); + + switch(nshEntryDetails.nextProtocol) { + case 1: + builder.setNextProtocol(Ipv4.class); + break; + case 2: + builder.setNextProtocol(Ipv6.class); + break; + case 3: + builder.setNextProtocol(Ethernet.class); + break; + default: + LOG.trace("Unsupported next protocol for nsh entry: {}", nshEntryDetails.nextProtocol); + return; + } + + switch(nshEntryDetails.mdType) { + case 1: + { + builder.setMdType(MdType1.class); + setNshEntryMdType1Augment(builder, nshEntryDetails); + break; + } + case 2: + { + builder.setMdType(MdType1.class); + break; + } + default: + LOG.trace("Unsupported Mdtype for nsh entry: {}", nshEntryDetails.mdType); + return; + } + + builder.setNsp( (long)((nshEntryDetails.nspNsi>>8) & 0xFFFFFF)); + builder.setNsi( (short)(nshEntryDetails.nspNsi & 0xFF )); + + if (LOG.isTraceEnabled()) { + LOG.trace("Attributes for nsh entry {} successfully read: {}", id, builder.build()); + } + } catch (VppBaseCallException e) { + LOG.warn("Failed to readCurrentAttributes for: {}", id); + throw new ReadFailedException( id, e ); + } + } + + @Nonnull + @Override + public List<NshEntryKey> getAllIds(@Nonnull final InstanceIdentifier<NshEntry> id, + @Nonnull final ReadContext context) throws ReadFailedException { + LOG.debug("Reading list of keys for nsh entry: {}", id); + + final NshEntryDump request = new NshEntryDump(); + request.entryIndex = -1; // dump call + + NshEntryDetailsReplyDump reply; + try { + reply = getFutureJVppNsh().nshEntryDump(request).toCompletableFuture().get(); + } catch (Exception e) { + throw new IllegalStateException("Nsh Entry dump failed", e); + } + + if (reply == null || reply.nshEntryDetails == null) { + return Collections.emptyList(); + } + + final int nIdsLength = reply.nshEntryDetails.size(); + LOG.debug("vppstate.NshEntryCustomizer.getAllIds: nIds.length={}", nIdsLength); + if (nIdsLength == 0) { + return Collections.emptyList(); + } + + final List<NshEntryKey> allIds = new ArrayList<>(nIdsLength); + for (NshEntryDetails detail : reply.nshEntryDetails) { + final String nshName = nshEntryContext.getName(detail.entryIndex, context.getMappingContext()); + LOG.debug("vppstate.NshEntryCustomizer.getAllIds: nName={}", nshName); + allIds.add(new NshEntryKey(nshName)); + } + + return allIds; + } +} |