diff options
Diffstat (limited to 'nsh/impl/src/main/java/io/fd/honeycomb/vppnsh/impl/oper/NshMapReaderCustomizer.java')
| -rwxr-xr-x | nsh/impl/src/main/java/io/fd/honeycomb/vppnsh/impl/oper/NshMapReaderCustomizer.java | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/nsh/impl/src/main/java/io/fd/honeycomb/vppnsh/impl/oper/NshMapReaderCustomizer.java b/nsh/impl/src/main/java/io/fd/honeycomb/vppnsh/impl/oper/NshMapReaderCustomizer.java new file mode 100755 index 000000000..7d6c64baf --- /dev/null +++ b/nsh/impl/src/main/java/io/fd/honeycomb/vppnsh/impl/oper/NshMapReaderCustomizer.java @@ -0,0 +1,185 @@ +/* + * 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.EncapType; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.VxlanGpe; +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.NshMapsBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.vpp.nsh.state.nsh.maps.NshMap; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.vpp.nsh.state.nsh.maps.NshMapBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.vpp.nsh.state.nsh.maps.NshMapKey; +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.NshMapDump; +import org.openvpp.jvpp.nsh.dto.NshMapDetails; +import org.openvpp.jvpp.nsh.dto.NshMapDetailsReplyDump; +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 map read.<br> to VPP. + */ +public class NshMapReaderCustomizer extends FutureJVppNshCustomizer + implements ListReaderCustomizer<NshMap, NshMapKey, NshMapBuilder> { + + private static final Logger LOG = LoggerFactory.getLogger(NshMapReaderCustomizer.class); + private final NamingContext nshMapContext; + private final NamingContext interfaceContext; + + public NshMapReaderCustomizer(@Nonnull final FutureJVppNsh futureJVppNsh, + @Nonnull final NamingContext nshMapContext, + @Nonnull final NamingContext interfaceContext) { + super(futureJVppNsh); + this.nshMapContext = checkNotNull(nshMapContext, "nshMapContext should not be null"); + this.interfaceContext = checkNotNull(interfaceContext, "interfaceContext should not be null"); + } + + + @Override + public void merge(@Nonnull final Builder<? extends DataObject> builder, + @Nonnull final List<NshMap> readData) { + ((NshMapsBuilder) builder).setNshMap(readData); + } + + @Nonnull + @Override + public NshMapBuilder getBuilder(@Nonnull final InstanceIdentifier<NshMap> id) { + return new NshMapBuilder(); + } + + @Override + public void readCurrentAttributes(@Nonnull final InstanceIdentifier<NshMap> id, + @Nonnull final NshMapBuilder builder, @Nonnull final ReadContext ctx) + throws ReadFailedException { + LOG.debug("Reading attributes for nsh map: {}", id); + try { + final NshMapKey key = id.firstKeyOf(NshMap.class); + checkArgument(key != null, "could not find NshMap key in {}", id); + final NshMapDump request = new NshMapDump(); + + final String mapName = key.getName(); + if (!nshMapContext.containsIndex(mapName, ctx.getMappingContext())) { + LOG.debug("Could not find nsh map {} in the naming context", mapName); + return; + } + request.mapIndex = nshMapContext.getIndex(mapName, ctx.getMappingContext()); + + final CompletionStage<NshMapDetailsReplyDump> nshMapDetailsReplyDumpCompletionStage = + getFutureJVppNsh().nshMapDump(request); + final NshMapDetailsReplyDump reply = + TranslateUtils.getReplyForRead(nshMapDetailsReplyDumpCompletionStage.toCompletableFuture(), id); + + if (reply == null || reply.nshMapDetails == null || reply.nshMapDetails.isEmpty()) { + LOG.debug("Has no Nsh Map {} in VPP. ", key.getName()); + return; + } + + LOG.trace("Nsh Map : {} attributes returned from VPP: {}", key.getName(), reply); + + final NshMapDetails nshMapDetails = reply.nshMapDetails.get(0); + builder.setName(mapName); + builder.setKey(key); + + builder.setNsp( (long)((nshMapDetails.nspNsi>>8) & 0xFFFFFF)); + builder.setNsi( (short)(nshMapDetails.nspNsi & 0xFF )); + + builder.setMappedNsp( (long)((nshMapDetails.mappedNspNsi>>8) & 0xFFFFFF)); + builder.setMappedNsi( (short)(nshMapDetails.mappedNspNsi & 0xFF )); + + switch(nshMapDetails.nextNode) { + case 2: + builder.setEncapType(VxlanGpe.class); + break; + default: + LOG.trace("Unsupported encap type for nsh map: {}", nshMapDetails.nextNode); + return; + } + + checkState(interfaceContext.containsName(nshMapDetails.swIfIndex, ctx.getMappingContext()), + "Mapping does not contains mapping for provider interface Index "); + final String interfaceName = interfaceContext.getName(nshMapDetails.swIfIndex, ctx.getMappingContext()); + builder.setEncapIfName(interfaceName); + + if (LOG.isTraceEnabled()) { + LOG.trace("Attributes for nsh map {} successfully read: {}", id, builder.build()); + } + } catch (VppBaseCallException e) { + LOG.warn("Failed to readCurrentAttributes for: {}", id); + throw new ReadFailedException( id, e ); + } + } + + @Nonnull + @Override + public List<NshMapKey> getAllIds(@Nonnull final InstanceIdentifier<NshMap> id, + @Nonnull final ReadContext context) throws ReadFailedException { + LOG.debug("Reading list of keys for nsh map: {}", id); + + final NshMapDump request = new NshMapDump(); + request.mapIndex = -1; // dump call + + NshMapDetailsReplyDump reply; + try { + reply = getFutureJVppNsh().nshMapDump(request).toCompletableFuture().get(); + } catch (Exception e) { + throw new IllegalStateException("Nsh Map dump failed", e); + } + + if (reply == null || reply.nshMapDetails == null) { + return Collections.emptyList(); + } + + final int nIdsLength = reply.nshMapDetails.size(); + LOG.debug("vppstate.NshMapCustomizer.getAllIds: nIds.length={}", nIdsLength); + if (nIdsLength == 0) { + return Collections.emptyList(); + } + + final List<NshMapKey> allIds = new ArrayList<>(nIdsLength); + for (NshMapDetails detail : reply.nshMapDetails) { + final String nshName = nshMapContext.getName(detail.mapIndex, context.getMappingContext()); + LOG.debug("vppstate.NshMapCustomizer.getAllIds: nName={}", nshName); + allIds.add(new NshMapKey(nshName)); + } + + return allIds; + } +} |