diff options
Diffstat (limited to 'v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppclassifier')
5 files changed, 705 insertions, 0 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppclassifier/ClassifySessionReader.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppclassifier/ClassifySessionReader.java new file mode 100644 index 000000000..002fc62fd --- /dev/null +++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppclassifier/ClassifySessionReader.java @@ -0,0 +1,202 @@ +/* + * 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.vppclassifier; + +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 static io.fd.honeycomb.v3po.translate.v3po.interfacesstate.InterfaceUtils.printHexBinary; + +import com.google.common.base.Optional; +import com.google.common.primitives.UnsignedInts; +import io.fd.honeycomb.v3po.translate.read.ReadContext; +import io.fd.honeycomb.v3po.translate.read.ReadFailedException; +import io.fd.honeycomb.v3po.translate.spi.read.ListReaderCustomizer; +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 java.util.Arrays; +import java.util.Collections; +import java.util.List; +import java.util.stream.Collectors; +import javax.annotation.Nonnull; +import javax.annotation.Nullable; +import javax.xml.bind.DatatypeConverter; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.HexString; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.OpaqueIndex; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.VppNode; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.classify.table.attributes.ClassifySession; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.classify.table.attributes.ClassifySessionBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.classify.table.attributes.ClassifySessionKey; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.vpp.classifier.ClassifyTable; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.vpp.classifier.ClassifyTableBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.vpp.classifier.ClassifyTableKey; +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.dto.ClassifySessionDetails; +import org.openvpp.jvpp.dto.ClassifySessionDetailsReplyDump; +import org.openvpp.jvpp.dto.ClassifySessionDump; +import org.openvpp.jvpp.future.FutureJVpp; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Reader customizer responsible for classify session read.<br> to VPP.<br> Equivalent to invoking {@code vppctl show + * class table verbose} command. + */ +public class ClassifySessionReader extends FutureJVppCustomizer + implements ListReaderCustomizer<ClassifySession, ClassifySessionKey, ClassifySessionBuilder>, VppNodeReader { + + private static final Logger LOG = LoggerFactory.getLogger(ClassifySessionReader.class); + static final String CACHE_KEY = ClassifySessionReader.class.getName(); + + private final NamingContext classifyTableContext; + + public ClassifySessionReader(@Nonnull final FutureJVpp futureJvpp, + @Nonnull final NamingContext classifyTableContext) { + super(futureJvpp); + this.classifyTableContext = checkNotNull(classifyTableContext, "classifyTableContext should not be null"); + } + + @Override + public void merge(@Nonnull final Builder<? extends DataObject> builder, + @Nonnull final List<ClassifySession> readData) { + ((ClassifyTableBuilder) builder).setClassifySession(readData); + } + + @Nonnull + @Override + public ClassifySessionBuilder getBuilder(@Nonnull final InstanceIdentifier<ClassifySession> id) { + return new ClassifySessionBuilder(); + } + + @Override + public void readCurrentAttributes(@Nonnull final InstanceIdentifier<ClassifySession> id, + @Nonnull final ClassifySessionBuilder builder, @Nonnull final ReadContext ctx) + throws ReadFailedException { + LOG.debug("Reading attributes for classify session: {}", id); + + final ClassifySessionKey key = id.firstKeyOf(ClassifySession.class); + checkArgument(key != null, "could not find ClassifySession key in {}", id); + + final ClassifySessionDetailsReplyDump classifySessionDump = dumpClassifySessions(id, ctx); + final byte[] match = DatatypeConverter.parseHexBinary(key.getMatch().getValue().replace(":", "")); + final Optional<ClassifySessionDetails> classifySession = + findClassifySessionDetailsByMatch(classifySessionDump, match); + + if (classifySession.isPresent()) { + final ClassifySessionDetails detail = classifySession.get(); + builder.setHitNextIndex(readVppNode(detail.hitNextIndex, LOG)); + if (detail.opaqueIndex != ~0) { + // value is specified: + builder.setOpaqueIndex(readOpaqueIndex(detail.opaqueIndex)); + } + builder.setAdvance(detail.advance); + builder.setMatch(key.getMatch()); + + if (LOG.isTraceEnabled()) { + LOG.trace("Attributes for classify session {} successfully read: {}", id, builder.build()); + } + } + } + + private OpaqueIndex readOpaqueIndex(final int opaqueIndex) { + // We first try to map the value to a vpp node, if that fails, simply wrap the u32 value + // FIXME: the approach might fail if the opaqueIndex contains small value that collides + // with some of the adjacent nodes + final VppNode node = readVppNode(opaqueIndex, LOG); + if (node != null) { + return new OpaqueIndex(node); + } else { + return new OpaqueIndex(UnsignedInts.toLong(opaqueIndex)); + } + } + + @Nullable + private ClassifySessionDetailsReplyDump dumpClassifySessions(@Nonnull final InstanceIdentifier<?> id, + @Nonnull final ReadContext ctx) + throws ReadFailedException { + final ClassifyTableKey tableKey = id.firstKeyOf(ClassifyTable.class); + checkArgument(tableKey != null, "could not find ClassifyTable key in {}", id); + + final String cacheKey = CACHE_KEY + tableKey; + + ClassifySessionDetailsReplyDump classifySessionDump = + (ClassifySessionDetailsReplyDump) ctx.getModificationCache().get(cacheKey); + if (classifySessionDump != null) { + LOG.debug("Classify sessions is present in cache: {}", cacheKey); + return classifySessionDump; + } + + final String tableName = tableKey.getName(); + checkState(classifyTableContext.containsIndex(tableName, ctx.getMappingContext()), + "Reading classify sessions for table {}, but table index could not be found in the classify table context", + tableName); + final int tableId = classifyTableContext.getIndex(tableName, ctx.getMappingContext()); + LOG.debug("Dumping classify sessions for classify table id={}", tableId); + + try { + final ClassifySessionDump dumpRequest = new ClassifySessionDump(); + dumpRequest.tableId = tableId; + classifySessionDump = TranslateUtils + .getReplyForRead(getFutureJVpp().classifySessionDump(dumpRequest).toCompletableFuture(), id); + + // update the cache: + ctx.getModificationCache().put(cacheKey, classifySessionDump); + return classifySessionDump; + } catch (VppBaseCallException e) { + throw new ReadFailedException(id, e); + } + } + + private static Optional<ClassifySessionDetails> findClassifySessionDetailsByMatch( + @Nullable final ClassifySessionDetailsReplyDump classifySessionDump, @Nonnull final byte[] match) { + if (classifySessionDump != null && classifySessionDump.classifySessionDetails != null) { + final List<ClassifySessionDetails> details = classifySessionDump.classifySessionDetails; + final List<ClassifySessionDetails> filteredSessions = details.stream() + .filter(singleDetail -> Arrays.equals(singleDetail.match, match)).collect(Collectors.toList()); + if (filteredSessions.isEmpty()) { + return Optional.absent(); + } else if (filteredSessions.size() == 1) { + return Optional.of(filteredSessions.get(0)); + } else { + throw new IllegalStateException(String.format( + "Found %d classify sessions witch given match. Single session expected.", + filteredSessions.size())); + } + } + return Optional.absent(); + } + + @Nonnull + @Override + public List<ClassifySessionKey> getAllIds(@Nonnull final InstanceIdentifier<ClassifySession> id, + @Nonnull final ReadContext ctx) throws ReadFailedException { + LOG.debug("Reading list of keys for classify sessions: {}", id); + + final ClassifySessionDetailsReplyDump classifySessionDump = dumpClassifySessions(id, ctx); + if (classifySessionDump != null && classifySessionDump.classifySessionDetails != null) { + return classifySessionDump.classifySessionDetails.stream() + .map(detail -> new ClassifySessionKey(new HexString(printHexBinary(detail.match)))) + .collect(Collectors.toList()); + } else { + return Collections.emptyList(); + } + } +} diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppclassifier/ClassifySessionWriter.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppclassifier/ClassifySessionWriter.java new file mode 100644 index 000000000..08989ce7d --- /dev/null +++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppclassifier/ClassifySessionWriter.java @@ -0,0 +1,157 @@ +/* + * 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.vppclassifier; + +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 static io.fd.honeycomb.v3po.translate.v3po.util.TranslateUtils.booleanToByte; + +import com.google.common.base.Optional; +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.v3po.util.WriteTimeoutException; +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 javax.xml.bind.DatatypeConverter; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.OpaqueIndex; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.classify.table.attributes.ClassifySession; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.classify.table.attributes.ClassifySessionKey; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.vpp.classifier.ClassifyTable; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.vpp.classifier.ClassifyTableKey; +import org.opendaylight.yangtools.yang.binding.DataObject; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.openvpp.jvpp.VppBaseCallException; +import org.openvpp.jvpp.dto.ClassifyAddDelSession; +import org.openvpp.jvpp.dto.ClassifyAddDelSessionReply; +import org.openvpp.jvpp.future.FutureJVpp; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Writer customizer responsible for classify session create/delete.<br> Sends {@code classify_add_del_session} message + * to VPP.<br> Equivalent to invoking {@code vppctl classify table} command. + */ +public class ClassifySessionWriter extends FutureJVppCustomizer + implements ListWriterCustomizer<ClassifySession, ClassifySessionKey> { + + private static final Logger LOG = LoggerFactory.getLogger(ClassifySessionWriter.class); + private final NamingContext classifyTableContext; + + public ClassifySessionWriter(@Nonnull final FutureJVpp futureJvpp, + @Nonnull final NamingContext classifyTableContext) { + super(futureJvpp); + this.classifyTableContext = checkNotNull(classifyTableContext, "classifyTableContext should not be null"); + } + + @Nonnull + @Override + public Optional<List<ClassifySession>> extract(@Nonnull final InstanceIdentifier<ClassifySession> currentId, + @Nonnull final DataObject parentData) { + return Optional.fromNullable(((ClassifyTable) parentData).getClassifySession()); + } + + @Override + public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<ClassifySession> id, + @Nonnull final ClassifySession dataAfter, + @Nonnull final WriteContext writeContext) throws WriteFailedException { + LOG.debug("Creating classify session: iid={} dataAfter={}", id, dataAfter); + try { + classifyAddDelSession(true, id, dataAfter, writeContext); + LOG.debug("Successfully created classify session: iid={} dataAfter={}", id, dataAfter); + } catch (VppBaseCallException e) { + throw new WriteFailedException.CreateFailedException(id, dataAfter, e); + } + } + + @Override + public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<ClassifySession> id, + @Nonnull final ClassifySession dataBefore, + @Nonnull final ClassifySession dataAfter, + @Nonnull final WriteContext writeContext) throws WriteFailedException { + throw new UnsupportedOperationException("Classify session update is not supported"); + } + + @Override + public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<ClassifySession> id, + @Nonnull final ClassifySession dataBefore, + @Nonnull final WriteContext writeContext) throws WriteFailedException { + LOG.debug("Removing classify session: iid={} dataBefore={}", id, dataBefore); + try { + classifyAddDelSession(false, id, dataBefore, writeContext); + LOG.debug("Successfully removed classify session: iid={} dataBefore={}", id, dataBefore); + } catch (VppBaseCallException e) { + throw new WriteFailedException.DeleteFailedException(id, e); + } + } + + private void classifyAddDelSession(final boolean isAdd, @Nonnull final InstanceIdentifier<ClassifySession> id, + @Nonnull final ClassifySession classifySession, + @Nonnull final WriteContext writeContext) + throws VppBaseCallException, WriteTimeoutException { + final ClassifyTableKey tableKey = id.firstKeyOf(ClassifyTable.class); + checkArgument(tableKey != null, "could not find classify table key in {}", id); + + final String tableName = tableKey.getName(); + checkState(classifyTableContext.containsIndex(tableName, writeContext.getMappingContext()), + "Could not find classify table index for {} in the classify table context", tableName); + final int tableIndex = classifyTableContext.getIndex(tableName, writeContext.getMappingContext()); + + final CompletionStage<ClassifyAddDelSessionReply> createClassifyTableReplyCompletionStage = getFutureJVpp() + .classifyAddDelSession( + getClassifyAddDelSessionRequest(isAdd, tableIndex, classifySession)); + + TranslateUtils.getReplyForWrite(createClassifyTableReplyCompletionStage.toCompletableFuture(), id); + } + + private static ClassifyAddDelSession getClassifyAddDelSessionRequest(final boolean isAdd, final int tableIndex, + @Nonnull final ClassifySession classifySession) { + ClassifyAddDelSession request = new ClassifyAddDelSession(); + request.isAdd = booleanToByte(isAdd); + request.tableIndex = tableIndex; + + // mandatory: + // TODO implement node name to index conversion after https://jira.fd.io/browse/VPP-203 is fixed + request.hitNextIndex = classifySession.getHitNextIndex().getPacketHandlingAction().getIntValue(); + + if (classifySession.getOpaqueIndex() != null) { + request.opaqueIndex = getOpaqueIndexValue(classifySession.getOpaqueIndex()); + } else { + request.opaqueIndex = ~0; // value not specified + } + + // default 0: + request.advance = classifySession.getAdvance(); + + request.match = DatatypeConverter.parseHexBinary(classifySession.getMatch().getValue().replace(":", "")); + return request; + } + + private static int getOpaqueIndexValue(@Nonnull final OpaqueIndex opaqueIndex) { + if (opaqueIndex.getUint32() != null) { + return opaqueIndex.getUint32().intValue(); + } else { + // TODO: implement node name to index conversion after https://jira.fd.io/browse/VPP-203 is fixed + return opaqueIndex.getVppNode().getPacketHandlingAction().getIntValue(); + } + } +} diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppclassifier/ClassifyTableReader.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppclassifier/ClassifyTableReader.java new file mode 100644 index 000000000..7f877ca49 --- /dev/null +++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppclassifier/ClassifyTableReader.java @@ -0,0 +1,147 @@ +/* + * 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.vppclassifier; + +import static com.google.common.base.Preconditions.checkArgument; +import static com.google.common.base.Preconditions.checkNotNull; +import static io.fd.honeycomb.v3po.translate.v3po.interfacesstate.InterfaceUtils.printHexBinary; + +import com.google.common.primitives.UnsignedInts; +import io.fd.honeycomb.v3po.translate.read.ReadContext; +import io.fd.honeycomb.v3po.translate.read.ReadFailedException; +import io.fd.honeycomb.v3po.translate.spi.read.ListReaderCustomizer; +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 java.util.Arrays; +import java.util.Collections; +import java.util.List; +import java.util.stream.Collectors; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.HexString; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.VppClassifierBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.vpp.classifier.ClassifyTable; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.vpp.classifier.ClassifyTableBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.vpp.classifier.ClassifyTableKey; +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.dto.ClassifyTableIds; +import org.openvpp.jvpp.dto.ClassifyTableIdsReply; +import org.openvpp.jvpp.dto.ClassifyTableInfo; +import org.openvpp.jvpp.dto.ClassifyTableInfoReply; +import org.openvpp.jvpp.future.FutureJVpp; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Reader customizer responsible for classify table read.<br> to VPP.<br> Equivalent to invoking {@code vppctl show + * class table} command. + */ +public class ClassifyTableReader extends FutureJVppCustomizer + implements ListReaderCustomizer<ClassifyTable, ClassifyTableKey, ClassifyTableBuilder>, VppNodeReader { + + private static final Logger LOG = LoggerFactory.getLogger(ClassifyTableReader.class); + private final NamingContext classifyTableContext; + + public ClassifyTableReader(@Nonnull final FutureJVpp futureJvpp, + @Nonnull final NamingContext classifyTableContext) { + super(futureJvpp); + this.classifyTableContext = checkNotNull(classifyTableContext, "classifyTableContext should not be null"); + } + + + @Override + public void merge(@Nonnull final Builder<? extends DataObject> builder, + @Nonnull final List<ClassifyTable> readData) { + ((VppClassifierBuilder) builder).setClassifyTable(readData); + } + + @Nonnull + @Override + public ClassifyTableBuilder getBuilder(@Nonnull final InstanceIdentifier<ClassifyTable> id) { + return new ClassifyTableBuilder(); + } + + @Override + public void readCurrentAttributes(@Nonnull final InstanceIdentifier<ClassifyTable> id, + @Nonnull final ClassifyTableBuilder builder, @Nonnull final ReadContext ctx) + throws ReadFailedException { + LOG.debug("Reading attributes for classify table: {}", id); + + final ClassifyTableKey key = id.firstKeyOf(ClassifyTable.class); + checkArgument(key != null, "could not find ClassifyTable key in {}", id); + final ClassifyTableInfo request = new ClassifyTableInfo(); + + final String tableName = key.getName(); + if (!classifyTableContext.containsIndex(tableName, ctx.getMappingContext())) { + LOG.debug("Could not find classify table {} in the naming context", tableName); + return; + } + request.tableId = classifyTableContext.getIndex(tableName, ctx.getMappingContext()); + + try { + final ClassifyTableInfoReply reply = + TranslateUtils.getReplyForRead(getFutureJVpp().classifyTableInfo(request).toCompletableFuture(), id); + + // mandatory values: + builder.setName(tableName); + builder.setKey(key); + builder.setNbuckets(UnsignedInts.toLong(reply.nbuckets)); + builder.setSkipNVectors(UnsignedInts.toLong(reply.skipNVectors)); + + + builder.setMissNextIndex(readVppNode(reply.missNextIndex, LOG)); + builder.setMask(new HexString(printHexBinary(reply.mask))); + builder.setActiveSessions(UnsignedInts.toLong(reply.activeSessions)); + + if (reply.nextTableIndex != ~0) { + // next table index is present: + builder.setNextTable(classifyTableContext.getName(reply.nextTableIndex, ctx.getMappingContext())); + } + + if (LOG.isTraceEnabled()) { + LOG.trace("Attributes for classify table {} successfully read: {}", id, builder.build()); + } + } catch (VppBaseCallException e) { + throw new ReadFailedException(id, e); + } + } + + @Nonnull + @Override + public List<ClassifyTableKey> getAllIds(@Nonnull final InstanceIdentifier<ClassifyTable> id, + @Nonnull final ReadContext context) throws ReadFailedException { + LOG.debug("Reading list of keys for classify tables: {}", id); + try { + final ClassifyTableIdsReply classifyTableIdsReply = TranslateUtils + .getReplyForRead(getFutureJVpp().classifyTableIds(new ClassifyTableIds()).toCompletableFuture(), id); + if (classifyTableIdsReply.ids != null) { + return Arrays.stream(classifyTableIdsReply.ids).mapToObj(i -> { + final String tableName = classifyTableContext.getName(i, context.getMappingContext()); + LOG.trace("Classify table with name: {} and index: {} found in VPP", tableName, i); + return new ClassifyTableKey(tableName); + }).collect(Collectors.toList()); + } else { + return Collections.emptyList(); + } + } catch (VppBaseCallException e) { + throw new ReadFailedException(id, e); + } + } +} diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppclassifier/ClassifyTableWriter.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppclassifier/ClassifyTableWriter.java new file mode 100644 index 000000000..4f59ffe8e --- /dev/null +++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppclassifier/ClassifyTableWriter.java @@ -0,0 +1,158 @@ +/* + * 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.vppclassifier; + +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 static io.fd.honeycomb.v3po.translate.v3po.util.TranslateUtils.booleanToByte; + +import com.google.common.base.Optional; +import io.fd.honeycomb.v3po.translate.MappingContext; +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.v3po.util.WriteTimeoutException; +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 javax.xml.bind.DatatypeConverter; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.VppClassifier; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.vpp.classifier.ClassifyTable; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.vpp.classifier.ClassifyTableKey; +import org.opendaylight.yangtools.yang.binding.DataObject; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.openvpp.jvpp.VppBaseCallException; +import org.openvpp.jvpp.dto.ClassifyAddDelTable; +import org.openvpp.jvpp.dto.ClassifyAddDelTableReply; +import org.openvpp.jvpp.future.FutureJVpp; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Writer customizer responsible for classify table create/delete. <br> Sends {@code classify_add_del_table} message to + * VPP.<br> Equivalent to invoking {@code vppctl classify table} command. + */ +public class ClassifyTableWriter extends FutureJVppCustomizer + implements ListWriterCustomizer<ClassifyTable, ClassifyTableKey> { + + private static final Logger LOG = LoggerFactory.getLogger(ClassifyTableWriter.class); + private final NamingContext classifyTableContext; + + public ClassifyTableWriter(@Nonnull final FutureJVpp futureJvpp, + @Nonnull final NamingContext classifyTableContext) { + super(futureJvpp); + this.classifyTableContext = checkNotNull(classifyTableContext, "classifyTableContext should not be null"); + } + + @Nonnull + @Override + public Optional<List<ClassifyTable>> extract(@Nonnull final InstanceIdentifier<ClassifyTable> currentId, + @Nonnull final DataObject parentData) { + return Optional.fromNullable(((VppClassifier) parentData).getClassifyTable()); + } + + @Override + public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<ClassifyTable> id, + @Nonnull final ClassifyTable dataAfter, @Nonnull final WriteContext writeContext) + throws WriteFailedException { + LOG.debug("Creating classify table: iid={} dataAfter={}", id, dataAfter); + try { + final int newTableIndex = + classifyAddDelTable(true, id, dataAfter, ~0 /* value not present */, writeContext.getMappingContext()); + + // Add classify table name <-> vpp index mapping to the naming context: + classifyTableContext.addName(newTableIndex, dataAfter.getName(), writeContext.getMappingContext()); + LOG.debug("Successfully created classify table(id={]): iid={} dataAfter={}", newTableIndex, id, dataAfter); + } catch (VppBaseCallException e) { + throw new WriteFailedException.CreateFailedException(id, dataAfter, e); + } + } + + @Override + public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<ClassifyTable> id, + @Nonnull final ClassifyTable dataBefore, @Nonnull final ClassifyTable dataAfter, + @Nonnull final WriteContext writeContext) throws WriteFailedException { + LOG.warn("ClassifyTable update is not supported, ignoring configuration {}", dataAfter); + // TODO if only leaves were updated (but not child/aug nodes), we should throw exception to deny config change + } + + @Override + public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<ClassifyTable> id, + @Nonnull final ClassifyTable dataBefore, + @Nonnull final WriteContext writeContext) throws WriteFailedException { + LOG.debug("Removing classify table: iid={} dataBefore={}", id, dataBefore); + final String tableName = dataBefore.getName(); + checkState(classifyTableContext.containsIndex(tableName, writeContext.getMappingContext()), + "Removing classify table {}, but index could not be found in the classify table context", tableName); + + final int tableIndex = classifyTableContext.getIndex(tableName, writeContext.getMappingContext()); + try { + classifyAddDelTable(false, id, dataBefore, tableIndex, writeContext.getMappingContext()); + + // Remove deleted interface from interface context: + classifyTableContext.removeName(dataBefore.getName(), writeContext.getMappingContext()); + LOG.debug("Successfully removed classify table(id={]): iid={} dataAfter={}", tableIndex, id, dataBefore); + } catch (VppBaseCallException e) { + throw new WriteFailedException.DeleteFailedException(id, e); + } + } + + private int classifyAddDelTable(final boolean isAdd, @Nonnull final InstanceIdentifier<ClassifyTable> id, + @Nonnull final ClassifyTable table, final int tableId, final MappingContext ctx) + throws VppBaseCallException, WriteTimeoutException { + final CompletionStage<ClassifyAddDelTableReply> createClassifyTableReplyCompletionStage = + getFutureJVpp().classifyAddDelTable(getClassifyAddDelTableRequest(isAdd, tableId, table, ctx)); + + final ClassifyAddDelTableReply reply = + TranslateUtils.getReplyForWrite(createClassifyTableReplyCompletionStage.toCompletableFuture(), id); + return reply.newTableIndex; + + } + + private ClassifyAddDelTable getClassifyAddDelTableRequest(final boolean isAdd, final int tableIndex, + @Nonnull final ClassifyTable table, + @Nonnull final MappingContext ctx) { + final ClassifyAddDelTable request = new ClassifyAddDelTable(); + request.isAdd = booleanToByte(isAdd); + request.tableIndex = tableIndex; + + // mandatory, all u32 values are permitted: + request.nbuckets = table.getNbuckets().intValue(); + request.memorySize = table.getMemorySize().intValue(); + request.skipNVectors = table.getSkipNVectors().intValue(); + + // mandatory + // TODO implement node name to index conversion after https://jira.fd.io/browse/VPP-203 is fixed + request.missNextIndex = table.getMissNextIndex().getPacketHandlingAction().getIntValue(); + + final String nextTable = table.getNextTable(); + if (nextTable != null) { + request.nextTableIndex = classifyTableContext.getIndex(nextTable, ctx); + } else { + request.nextTableIndex = ~0; // value not specified + } + request.mask = DatatypeConverter.parseHexBinary(table.getMask().getValue().replace(":", "")); + checkArgument(request.mask.length % 16 == 0, "Number of mask bytes must be multiple of 16."); + request.matchNVectors = request.mask.length / 16; + + return request; + } +}
\ No newline at end of file diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppclassifier/VppNodeReader.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppclassifier/VppNodeReader.java new file mode 100644 index 000000000..aa8b4f9f3 --- /dev/null +++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppclassifier/VppNodeReader.java @@ -0,0 +1,41 @@ +/* + * 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.vppclassifier; + +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.PacketHandlingAction; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.VppNode; +import org.slf4j.Logger; + +interface VppNodeReader { + + /** + * Converts vpp node index to YANG representation of vpp node. + * + * @param nodeIndex index of vpp node treated as signed integer. + * @return vpp node representation + */ + default VppNode readVppNode(final int nodeIndex, @Nonnull final Logger log) { + final PacketHandlingAction action = PacketHandlingAction.forValue(nodeIndex); + if (action == null) { + // TODO: implement node index to name conversion after https://jira.fd.io/browse/VPP-203 is fixed + log.debug("VPP node index {} cannot be mapped to PacketHandlingAction", nodeIndex); + return null; + } + return new VppNode(action); + } +} |