diff options
Diffstat (limited to 'nat/nat2vpp/src')
20 files changed, 1764 insertions, 0 deletions
diff --git a/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/NatModule.java b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/NatModule.java new file mode 100644 index 000000000..b33f900e5 --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/NatModule.java @@ -0,0 +1,77 @@ +/* + * 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.nat; + +import com.google.common.annotations.VisibleForTesting; +import com.google.inject.AbstractModule; +import com.google.inject.Provider; +import com.google.inject.Singleton; +import com.google.inject.multibindings.Multibinder; +import io.fd.honeycomb.data.init.DataTreeInitializer; +import io.fd.honeycomb.nat.init.NatInitializer; +import io.fd.honeycomb.nat.jvpp.JVppSnatProvider; +import io.fd.honeycomb.nat.read.NatReaderFactory; +import io.fd.honeycomb.nat.read.ifc.IfcNatReaderFactory; +import io.fd.honeycomb.nat.util.MappingEntryContext; +import io.fd.honeycomb.nat.write.NatWriterFactory; +import io.fd.honeycomb.nat.write.ifc.IfcNatWriterFactory; +import io.fd.honeycomb.translate.read.ReaderFactory; +import io.fd.honeycomb.translate.write.WriterFactory; +import io.fd.vpp.jvpp.snat.future.FutureJVppSnatFacade; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Module class instantiating nat plugin components. + */ +public final class NatModule extends AbstractModule { + + private static final Logger LOG = LoggerFactory.getLogger(NatModule.class); + private final Class<? extends Provider<FutureJVppSnatFacade>> jvppSnatProviderClass; + + public NatModule() { + this(JVppSnatProvider.class); + } + + @VisibleForTesting + NatModule(Class<? extends Provider<FutureJVppSnatFacade>> jvppSnatProvider) { + this.jvppSnatProviderClass = jvppSnatProvider; + } + + @Override + protected void configure() { + // Mapping entry context util + bind(MappingEntryContext.class).toInstance(new MappingEntryContext()); + + LOG.debug("Installing NAT module"); + + // Bind to Plugin's JVPP + bind(FutureJVppSnatFacade.class).toProvider(jvppSnatProviderClass).in(Singleton.class); + + final Multibinder<ReaderFactory> readBinder = Multibinder.newSetBinder(binder(), ReaderFactory.class); + readBinder.addBinding().to(IfcNatReaderFactory.class).in(Singleton.class); + readBinder.addBinding().to(NatReaderFactory.class).in(Singleton.class); + + final Multibinder<WriterFactory> writeBinder = Multibinder.newSetBinder(binder(), WriterFactory.class); + writeBinder.addBinding().to(IfcNatWriterFactory.class).in(Singleton.class); + writeBinder.addBinding().to(NatWriterFactory.class).in(Singleton.class); + + Multibinder.newSetBinder(binder(), DataTreeInitializer.class) + .addBinding().to(NatInitializer.class).in(Singleton.class); + LOG.info("Module NAT successfully configured"); + } +} diff --git a/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/init/NatInitializer.java b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/init/NatInitializer.java new file mode 100644 index 000000000..37c456133 --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/init/NatInitializer.java @@ -0,0 +1,63 @@ +/* + * 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.nat.init; + +import com.google.inject.Inject; +import com.google.inject.name.Named; +import io.fd.honeycomb.data.init.AbstractDataTreeConverter; +import java.util.stream.Collectors; +import javax.annotation.Nonnull; +import org.opendaylight.controller.md.sal.binding.api.DataBroker; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.NatConfig; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.NatConfigBuilder; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.NatState; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.NatInstancesBuilder; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.NatInstanceBuilder; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.MappingTableBuilder; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.mapping.table.MappingEntryBuilder; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; + +/** + * Initialize nat-config from nat-state. + */ +public final class NatInitializer extends AbstractDataTreeConverter<NatState, NatConfig> { + + @Inject + public NatInitializer(@Named("honeycomb-initializer") @Nonnull final DataBroker bindingDataBroker) { + super(bindingDataBroker, InstanceIdentifier.create(NatState.class), InstanceIdentifier.create(NatConfig.class)); + } + + @Override + public NatConfig convert(final NatState operationalData) { + return new NatConfigBuilder() + .setNatInstances(new NatInstancesBuilder() + .setNatInstance(operationalData.getNatInstances().getNatInstance().stream() + .map(operNatInstance -> new NatInstanceBuilder() + .setId(operNatInstance.getId()) + .setMappingTable(new MappingTableBuilder() + .setMappingEntry( + operNatInstance.getMappingTable().getMappingEntry().stream() + .map(operEntry -> new MappingEntryBuilder(operEntry).build()) + .collect(Collectors.toList())) + .build()) + .build()) + .collect(Collectors.toList())) + .build()) + .build(); + // TODO implement initialization for nat inbound/outbound NAT feature after VPP-459 + } +} diff --git a/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/jvpp/JVppSnatProvider.java b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/jvpp/JVppSnatProvider.java new file mode 100755 index 000000000..b83665679 --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/jvpp/JVppSnatProvider.java @@ -0,0 +1,60 @@ +/* + * 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.nat.jvpp; + +import com.google.inject.Inject; +import io.fd.honeycomb.infra.distro.ProviderTrait; +import io.fd.vpp.jvpp.JVppRegistry; +import io.fd.vpp.jvpp.snat.JVppSnatImpl; +import io.fd.vpp.jvpp.snat.future.FutureJVppSnatFacade; +import java.io.IOException; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Provides future API for jvpp-nsh plugin. Must be a singleton due to shutdown hook usage. + * Registers shutdown hook to free plugin's resources on shutdown. + */ +public final class JVppSnatProvider extends ProviderTrait<FutureJVppSnatFacade> { + + private static final Logger LOG = LoggerFactory.getLogger(JVppSnatProvider.class); + + @Inject + private JVppRegistry registry; + + @Override + protected FutureJVppSnatFacade create() { + try { + final JVppSnatImpl jvppSnat = new JVppSnatImpl(); + // Free jvpp-nsh plugin's resources on shutdown + Runtime.getRuntime().addShutdownHook(new Thread() { + @Override + public void run() { + LOG.info("Unloading jvpp-snat plugin"); + jvppSnat.close(); + LOG.info("Successfully unloaded jvpp-snat plugin"); + } + }); + + LOG.info("Successfully loaded jvpp-snat plugin"); + return new FutureJVppSnatFacade(registry, jvppSnat); + } catch (IOException e) { + throw new IllegalStateException("Unable to open VPP management connection", e); + } + } +} + diff --git a/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/read/MappingEntryCustomizer.java b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/read/MappingEntryCustomizer.java new file mode 100644 index 000000000..469d361ee --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/read/MappingEntryCustomizer.java @@ -0,0 +1,151 @@ +/* + * 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.nat.read; + +import io.fd.honeycomb.nat.util.MappingEntryContext; +import io.fd.honeycomb.translate.read.ReadContext; +import io.fd.honeycomb.translate.read.ReadFailedException; +import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer; +import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager; +import io.fd.honeycomb.translate.util.read.cache.EntityDumpExecutor; +import io.fd.honeycomb.translate.vpp.util.Ipv4Translator; +import io.fd.honeycomb.translate.vpp.util.JvppReplyConsumer; +import io.fd.vpp.jvpp.snat.dto.SnatStaticMappingDetails; +import io.fd.vpp.jvpp.snat.dto.SnatStaticMappingDetailsReplyDump; +import io.fd.vpp.jvpp.snat.dto.SnatStaticMappingDump; +import io.fd.vpp.jvpp.snat.future.FutureJVppSnatFacade; +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.inet.types.rev130715.IpAddress; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.PortNumber; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.mapping.entry.ExternalSrcPortBuilder; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.mapping.entry.InternalSrcPortBuilder; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.NatInstance; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.nat.instance.MappingTableBuilder; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.nat.instance.mapping.table.MappingEntry; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.nat.instance.mapping.table.MappingEntryBuilder; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.nat.instance.mapping.table.MappingEntryKey; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.port.number.port.type.SinglePortNumberBuilder; +import org.opendaylight.yangtools.concepts.Builder; +import org.opendaylight.yangtools.yang.binding.DataObject; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class MappingEntryCustomizer implements Ipv4Translator, + ListReaderCustomizer<MappingEntry, MappingEntryKey, MappingEntryBuilder> { + + private static final Logger LOG = LoggerFactory.getLogger(MappingEntryCustomizer.class); + + private final DumpCacheManager<SnatStaticMappingDetailsReplyDump, Void> dumpCacheManager; + private final MappingEntryContext mappingEntryContext; + + public MappingEntryCustomizer(final DumpCacheManager<SnatStaticMappingDetailsReplyDump, Void> dumpCacheManager, + final MappingEntryContext mappingEntryContext) { + this.dumpCacheManager = dumpCacheManager; + this.mappingEntryContext = mappingEntryContext; + } + + @Nonnull + @Override + public MappingEntryBuilder getBuilder(@Nonnull final InstanceIdentifier<MappingEntry> id) { + return new MappingEntryBuilder(); + } + + @Override + public void readCurrentAttributes(@Nonnull final InstanceIdentifier<MappingEntry> id, + @Nonnull final MappingEntryBuilder builder, @Nonnull final ReadContext ctx) + throws ReadFailedException { + LOG.trace("Reading current attributes for mapping-entry: {}", id); + + final int idx = id.firstKeyOf(MappingEntry.class).getIndex().intValue(); + final int natInstanceId = id.firstKeyOf(NatInstance.class).getId().intValue(); + final List<SnatStaticMappingDetails> details = + dumpCacheManager.getDump(id, getClass().getName(), ctx.getModificationCache(), null) + .or(new SnatStaticMappingDetailsReplyDump()).snatStaticMappingDetails; + final SnatStaticMappingDetails snatStaticMappingDetails = + mappingEntryContext.findDetails(details, natInstanceId, idx, ctx.getMappingContext()); + + builder.setIndex((long) idx); + builder.setType( + org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.MappingEntry.Type.Static); + // Snat only supports ipv4 for now + builder.setExternalSrcAddress(arrayToIpv4AddressNoZoneReversed(snatStaticMappingDetails.externalIpAddress)); + builder.setInternalSrcAddress( + new IpAddress(arrayToIpv4AddressNoZoneReversed(snatStaticMappingDetails.localIpAddress))); + + if (snatStaticMappingDetails.addrOnly == 0) { + builder.setExternalSrcPort(new ExternalSrcPortBuilder() + .setPortType(new SinglePortNumberBuilder().setSinglePortNumber(new PortNumber( + (int) snatStaticMappingDetails.externalPort)) + .build()) + .build()); + builder.setInternalSrcPort(new InternalSrcPortBuilder() + .setPortType(new SinglePortNumberBuilder().setSinglePortNumber(new PortNumber( + (int) snatStaticMappingDetails.localPort)) + .build()) + .build()); + } + + LOG.trace("Mapping-entry read as: {}", builder); + } + + @Nonnull + @Override + public List<MappingEntryKey> getAllIds(@Nonnull final InstanceIdentifier<MappingEntry> id, + @Nonnull final ReadContext context) throws ReadFailedException { + final Long natInstanceId = id.firstKeyOf(NatInstance.class).getId(); + LOG.trace("Listing IDs for all mapping-entries within nat-instance(vrf):{}", natInstanceId); + + final List<MappingEntryKey> entryKeys = + dumpCacheManager.getDump(id, getClass().getName(), context.getModificationCache(), null) + .or(new SnatStaticMappingDetailsReplyDump()).snatStaticMappingDetails.stream() + .filter(detail -> natInstanceId == detail.vrfId) + .map(detail -> mappingEntryContext + .getStoredOrArtificialIndex(natInstanceId, detail, context.getMappingContext())) + .map(MappingEntryKey::new) + .collect(Collectors.toList()); + LOG.debug("List of mapping-entry keys within nat-instance(vrf):{} : {}", natInstanceId, entryKeys); + + return entryKeys; + } + + @Override + public void merge(@Nonnull final Builder<? extends DataObject> builder, + @Nonnull final List<MappingEntry> readData) { + ((MappingTableBuilder) builder).setMappingEntry(readData); + } + + static final class MappingEntryDumpExecutor + implements EntityDumpExecutor<SnatStaticMappingDetailsReplyDump, Void>, JvppReplyConsumer { + + private final FutureJVppSnatFacade jvppSnat; + + MappingEntryDumpExecutor(final FutureJVppSnatFacade jvppSnat) { + this.jvppSnat = jvppSnat; + } + + @Nonnull + @Override + public SnatStaticMappingDetailsReplyDump executeDump(final InstanceIdentifier<?> identifier, final Void params) + throws ReadFailedException { + return getReplyForRead(jvppSnat.snatStaticMappingDump(new SnatStaticMappingDump()).toCompletableFuture(), + identifier); + } + } +} diff --git a/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/read/NatInstanceCustomizer.java b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/read/NatInstanceCustomizer.java new file mode 100644 index 000000000..cb639b962 --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/read/NatInstanceCustomizer.java @@ -0,0 +1,84 @@ +/* + * 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.nat.read; + +import io.fd.honeycomb.translate.read.ReadContext; +import io.fd.honeycomb.translate.read.ReadFailedException; +import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer; +import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager; +import io.fd.vpp.jvpp.snat.dto.SnatStaticMappingDetailsReplyDump; +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.nat.rev150908.nat.state.NatInstancesBuilder; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.NatInstance; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.NatInstanceBuilder; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.NatInstanceKey; +import org.opendaylight.yangtools.concepts.Builder; +import org.opendaylight.yangtools.yang.binding.DataObject; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Nat instance ID is mapped to VRF-ID in VPP. + */ +final class NatInstanceCustomizer implements ListReaderCustomizer<NatInstance, NatInstanceKey, NatInstanceBuilder> { + + private static final Logger LOG = LoggerFactory.getLogger(NatInstanceCustomizer.class); + + private final DumpCacheManager<SnatStaticMappingDetailsReplyDump, Void> dumpCacheManager; + + public NatInstanceCustomizer(final DumpCacheManager<SnatStaticMappingDetailsReplyDump, Void> dumpCacheManager) { + this.dumpCacheManager = dumpCacheManager; + } + + @Nonnull + @Override + public NatInstanceBuilder getBuilder(@Nonnull final InstanceIdentifier<NatInstance> id) { + return new NatInstanceBuilder(); + } + + @Override + public void readCurrentAttributes(@Nonnull final InstanceIdentifier<NatInstance> id, + @Nonnull final NatInstanceBuilder builder, @Nonnull final ReadContext ctx) + throws ReadFailedException { + LOG.trace("Reading current attributes for nat-instance: {}", id); + builder.setId(id.firstKeyOf(NatInstance.class).getId()); + } + + @Nonnull + @Override + public List<NatInstanceKey> getAllIds(@Nonnull final InstanceIdentifier<NatInstance> id, + @Nonnull final ReadContext context) throws ReadFailedException { + LOG.trace("Listing IDs for all nat-instances"); + final List<NatInstanceKey> vrfIds = + dumpCacheManager.getDump(id, getClass().getName(), context.getModificationCache(), null) + .or(new SnatStaticMappingDetailsReplyDump()).snatStaticMappingDetails.stream() + .map(detail -> detail.vrfId) + .map(vrfId -> new NatInstanceKey((long)vrfId)) + .collect(Collectors.toList()); + + LOG.debug("List of nat-instance keys (vrf-ids): {}", vrfIds); + return vrfIds; + } + + @Override + public void merge(@Nonnull final Builder<? extends DataObject> builder, @Nonnull final List<NatInstance> readData) { + ((NatInstancesBuilder) builder).setNatInstance(readData); + } +} diff --git a/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/read/NatReaderFactory.java b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/read/NatReaderFactory.java new file mode 100644 index 000000000..949009c62 --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/read/NatReaderFactory.java @@ -0,0 +1,75 @@ +/* + * 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.nat.read; + +import com.google.common.collect.Sets; +import com.google.inject.Inject; +import io.fd.honeycomb.nat.util.MappingEntryContext; +import io.fd.honeycomb.translate.impl.read.GenericListReader; +import io.fd.honeycomb.translate.read.ReaderFactory; +import io.fd.honeycomb.translate.read.registry.ModifiableReaderRegistryBuilder; +import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager; +import io.fd.vpp.jvpp.snat.dto.SnatStaticMappingDetailsReplyDump; +import io.fd.vpp.jvpp.snat.future.FutureJVppSnatFacade; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.NatState; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.NatStateBuilder; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.mapping.entry.ExternalSrcPort; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.mapping.entry.InternalSrcPort; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.NatInstances; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.NatInstancesBuilder; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.NatInstance; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.nat.instance.MappingTable; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.nat.instance.MappingTableBuilder; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.nat.instance.mapping.table.MappingEntry; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; + +public class NatReaderFactory implements ReaderFactory { + + private static final InstanceIdentifier<NatState> NAT_OPER_ID = InstanceIdentifier.create(NatState.class); + private static final InstanceIdentifier<NatInstances> NAT_INSTANCES_ID = NAT_OPER_ID.child(NatInstances.class); + private static final InstanceIdentifier<NatInstance> NAT_INSTANCE_ID = NAT_INSTANCES_ID.child(NatInstance.class); + private static final InstanceIdentifier<MappingTable> MAP_TABLE_ID = NAT_INSTANCE_ID.child(MappingTable.class); + private static final InstanceIdentifier<MappingEntry> MAP_ENTRY_ID = MAP_TABLE_ID.child(MappingEntry.class); + + private final MappingEntryContext mappingEntryContext; + private final DumpCacheManager<SnatStaticMappingDetailsReplyDump, Void> dumpCacheManager; + + @Inject + public NatReaderFactory(final FutureJVppSnatFacade jvppSnat, + final MappingEntryContext mappingEntryContext) { + this.mappingEntryContext = mappingEntryContext; + this.dumpCacheManager = new DumpCacheManager.DumpCacheManagerBuilder<SnatStaticMappingDetailsReplyDump, Void>() + .withExecutor(new MappingEntryCustomizer.MappingEntryDumpExecutor(jvppSnat)) + .build(); + } + + @Override + public void init(@Nonnull final ModifiableReaderRegistryBuilder registry) { + registry.addStructuralReader(NAT_OPER_ID, NatStateBuilder.class); + registry.addStructuralReader(NAT_INSTANCES_ID, NatInstancesBuilder.class); + registry.add(new GenericListReader<>(NAT_INSTANCE_ID, new NatInstanceCustomizer(dumpCacheManager))); + registry.addStructuralReader(MAP_TABLE_ID, MappingTableBuilder.class); + registry.subtreeAdd(Sets.newHashSet(InstanceIdentifier.create(MappingEntry.class).child(ExternalSrcPort.class), + InstanceIdentifier.create(MappingEntry.class).child(InternalSrcPort.class)), + new GenericListReader<>(MAP_ENTRY_ID, + new MappingEntryCustomizer(dumpCacheManager, mappingEntryContext))); + + // TODO VPP-453 Implement address range read + + } +} diff --git a/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/read/ifc/IfcNatReaderFactory.java b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/read/ifc/IfcNatReaderFactory.java new file mode 100644 index 000000000..293a3dfd9 --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/read/ifc/IfcNatReaderFactory.java @@ -0,0 +1,55 @@ +/* + * 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.nat.read.ifc; + + +import io.fd.honeycomb.translate.impl.read.GenericReader; +import io.fd.honeycomb.translate.read.ReaderFactory; +import io.fd.honeycomb.translate.read.registry.ModifiableReaderRegistryBuilder; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214.NatInterfaceStateAugmentation; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214.NatInterfaceStateAugmentationBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214._interface.nat.attributes.Nat; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214._interface.nat.attributes.NatBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214._interface.nat.attributes.nat.Inbound; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214._interface.nat.attributes.nat.Outbound; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; + +/** + * Factory producing readers for nat plugin's data. + */ +public final class IfcNatReaderFactory implements ReaderFactory { + + private static final InstanceIdentifier<Interface> + IFC_ID = InstanceIdentifier.create(InterfacesState.class).child(Interface.class); + private static final InstanceIdentifier<NatInterfaceStateAugmentation> NAT_AUG_ID = + IFC_ID.augmentation(NatInterfaceStateAugmentation.class); + private static final InstanceIdentifier<Nat> NAT_AUG_CONTAINER_ID = NAT_AUG_ID.child(Nat.class); + + @Override + public void init(@Nonnull final ModifiableReaderRegistryBuilder registry) { + registry.addStructuralReader(NAT_AUG_ID, NatInterfaceStateAugmentationBuilder.class); + registry.addStructuralReader(NAT_AUG_CONTAINER_ID, NatBuilder.class); + + registry.addAfter( + new GenericReader<>(NAT_AUG_CONTAINER_ID.child(Inbound.class), new InterfaceInboundNatCustomizer()), IFC_ID); + registry.addAfter( + new GenericReader<>(NAT_AUG_CONTAINER_ID.child(Outbound.class), new InterfaceOutboundNatCustomizer()), IFC_ID); + } +} diff --git a/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/read/ifc/InterfaceInboundNatCustomizer.java b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/read/ifc/InterfaceInboundNatCustomizer.java new file mode 100644 index 000000000..e1ebdd6d8 --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/read/ifc/InterfaceInboundNatCustomizer.java @@ -0,0 +1,55 @@ +/* + * 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.nat.read.ifc; + +import io.fd.honeycomb.translate.read.ReadContext; +import io.fd.honeycomb.translate.read.ReadFailedException; +import io.fd.honeycomb.translate.spi.read.ReaderCustomizer; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214._interface.nat.attributes.NatBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214._interface.nat.attributes.nat.Inbound; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214._interface.nat.attributes.nat.InboundBuilder; +import org.opendaylight.yangtools.concepts.Builder; +import org.opendaylight.yangtools.yang.binding.DataObject; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public final class InterfaceInboundNatCustomizer implements ReaderCustomizer<Inbound, InboundBuilder> { + + private static final Logger LOG = LoggerFactory.getLogger(InterfaceInboundNatCustomizer.class); + + @Nonnull + @Override + public InboundBuilder getBuilder(@Nonnull final InstanceIdentifier<Inbound> id) { + return new InboundBuilder(); + } + + @Override + public void readCurrentAttributes(@Nonnull final InstanceIdentifier<Inbound> id, + @Nonnull final InboundBuilder builder, + @Nonnull final ReadContext ctx) + throws ReadFailedException { + // FIXME HONEYCOMB-248 VPP-459 Implement when read is available in VPP/Snat + LOG.debug("Unable to read Inbound NAT feature state for an interface"); + } + + @Override + public void merge(@Nonnull final Builder<? extends DataObject> parentBuilder, @Nonnull final Inbound readValue) { + ((NatBuilder) parentBuilder).setInbound(readValue); + } +} diff --git a/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/read/ifc/InterfaceOutboundNatCustomizer.java b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/read/ifc/InterfaceOutboundNatCustomizer.java new file mode 100644 index 000000000..fe28584ff --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/read/ifc/InterfaceOutboundNatCustomizer.java @@ -0,0 +1,54 @@ +/* + * 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.nat.read.ifc; + +import io.fd.honeycomb.translate.read.ReadContext; +import io.fd.honeycomb.translate.read.ReadFailedException; +import io.fd.honeycomb.translate.spi.read.ReaderCustomizer; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214._interface.nat.attributes.NatBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214._interface.nat.attributes.nat.Outbound; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214._interface.nat.attributes.nat.OutboundBuilder; +import org.opendaylight.yangtools.concepts.Builder; +import org.opendaylight.yangtools.yang.binding.DataObject; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public final class InterfaceOutboundNatCustomizer implements ReaderCustomizer<Outbound, OutboundBuilder> { + + private static final Logger LOG = LoggerFactory.getLogger(InterfaceOutboundNatCustomizer.class); + + @Nonnull + @Override + public OutboundBuilder getBuilder(@Nonnull final InstanceIdentifier<Outbound> id) { + return new OutboundBuilder(); + } + + @Override + public void readCurrentAttributes(@Nonnull final InstanceIdentifier<Outbound> id, + @Nonnull final OutboundBuilder builder, @Nonnull final ReadContext ctx) + throws ReadFailedException { + // FIXME HONEYCOMB-248 VPP-459 Implement when read is available in VPP/Snat + LOG.debug("Unable to read Outbound NAT feature state for an interface"); + } + + @Override + public void merge(@Nonnull final Builder<? extends DataObject> parentBuilder, @Nonnull final Outbound readValue) { + ((NatBuilder) parentBuilder).setOutbound(readValue); + } +} diff --git a/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/util/MappingEntryContext.java b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/util/MappingEntryContext.java new file mode 100644 index 000000000..0f2df7e1d --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/util/MappingEntryContext.java @@ -0,0 +1,210 @@ +/* + * 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.nat.util; + +import static com.google.common.base.Preconditions.checkArgument; + +import com.google.common.annotations.VisibleForTesting; +import com.google.common.base.Optional; +import io.fd.honeycomb.translate.MappingContext; +import io.fd.honeycomb.translate.vpp.util.Ipv4Translator; +import io.fd.vpp.jvpp.snat.dto.SnatStaticMappingDetails; +import java.util.Collections; +import java.util.Comparator; +import java.util.List; +import javax.annotation.Nonnull; +import javax.annotation.concurrent.ThreadSafe; +import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.Contexts; +import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.nat.context.rev161214.NatMappingEntryCtxAugmentation; +import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.nat.context.rev161214.mapping.entry.context.attributes.NatMappingEntryContext; +import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.nat.context.rev161214.mapping.entry.context.attributes.nat.mapping.entry.context.NatInstance; +import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.nat.context.rev161214.mapping.entry.context.attributes.nat.mapping.entry.context.NatInstanceKey; +import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.nat.context.rev161214.mapping.entry.context.attributes.nat.mapping.entry.context.nat.instance.MappingTable; +import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.nat.context.rev161214.mapping.entry.context.attributes.nat.mapping.entry.context.nat.instance.mapping.table.MappingEntry; +import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.nat.context.rev161214.mapping.entry.context.attributes.nat.mapping.entry.context.nat.instance.mapping.table.MappingEntryBuilder; +import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.nat.context.rev161214.mapping.entry.context.attributes.nat.mapping.entry.context.nat.instance.mapping.table.MappingEntryKey; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Context tracker for Nat Mapping entries. + */ +@ThreadSafe +public class MappingEntryContext implements Ipv4Translator { + + private static final Logger LOG = LoggerFactory.getLogger(MappingEntryContext.class); + + /** + * Add mapping entry to index mapping to context. + */ + public synchronized void addEntry(final long natInstanceId, + final long entryId, + @Nonnull final org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.mapping.table.MappingEntry entry, + @Nonnull final MappingContext mappingContext) { + final InstanceIdentifier<MappingEntry> id = getId(natInstanceId, entryToKey(entry)); + checkArgument(!containsEntry(natInstanceId, entry, mappingContext), "Mapping for %s already present", id); + mappingContext.put(id, toCtxMapEntry(entry, entryId)); + } + + /** + * Check whether mapping entry to index mapping already exists in context. + */ + public synchronized boolean containsEntry(final long natInstanceId, + @Nonnull final org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.mapping.table.MappingEntry entry, + @Nonnull final MappingContext mappingContext) { + final InstanceIdentifier<MappingEntry> id = getId(natInstanceId, entryToKey(entry)); + return mappingContext.read(id).isPresent(); + } + + @VisibleForTesting + static InstanceIdentifier<MappingEntry> getId(final Long natInstanceId, final MappingEntryKey key) { + return getTableId(natInstanceId).child(MappingEntry.class, key); + } + + @VisibleForTesting + static InstanceIdentifier<MappingTable> getTableId(final long natInstanceId) { + return InstanceIdentifier.create(Contexts.class) + .augmentation(NatMappingEntryCtxAugmentation.class) + .child(NatMappingEntryContext.class) + .child(NatInstance.class, new NatInstanceKey(natInstanceId)) + .child(MappingTable.class); + } + + @VisibleForTesting + static MappingEntryKey entryToKey( + final org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.mapping.table.MappingEntry entry) { + // Only IPv4 + return new MappingEntryKey(new IpAddress(entry.getExternalSrcAddress()), entry.getInternalSrcAddress()); + } + + private MappingEntryKey entryToKey(final SnatStaticMappingDetails entry) { + // Only IPv4 + return new MappingEntryKey( + new IpAddress(new Ipv4Address(arrayToIpv4AddressNoZoneReversed(entry.externalIpAddress))), + new IpAddress(new Ipv4Address(arrayToIpv4AddressNoZoneReversed(entry.localIpAddress)))); + } + + private boolean equalEntries(final SnatStaticMappingDetails detail, final MappingEntry ctxMappingEntry) { + final IpAddress internalAddrFromDetails = + new IpAddress(new Ipv4Address(arrayToIpv4AddressNoZoneReversed(detail.localIpAddress))); + // Only IPv4 + if (!ctxMappingEntry.getInternal().equals(internalAddrFromDetails)) { + return false; + } + // Only IPv4 + final IpAddress externalAddrFromDetails = + new IpAddress(new Ipv4Address(arrayToIpv4AddressNoZoneReversed(detail.externalIpAddress))); + if (!ctxMappingEntry.getExternal().equals(externalAddrFromDetails)) { + return false; + } + return true; + } + + @VisibleForTesting + static MappingEntry toCtxMapEntry( + @Nonnull final org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.mapping.table.MappingEntry entry, + final long entryId) { + return new MappingEntryBuilder() + .setKey(entryToKey(entry)) + .setIndex(entryId) + .build(); + } + + private MappingEntry toCtxMapEntry(@Nonnull final SnatStaticMappingDetails details, final long entryId) { + return new MappingEntryBuilder() + .setKey(entryToKey(details)) + .setIndex(entryId) + .build(); + } + + /** + * Delete mapping of mapping entry to index from context. + */ + public synchronized void removeEntry(final long natInstanceId, + @Nonnull final org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.mapping.table.MappingEntry entry, + @Nonnull final MappingContext mappingContext) { + mappingContext.delete(getId(natInstanceId, entryToKey(entry))); + } + + /** + * Find specific details in provided collection identified with provided index. + */ + public synchronized SnatStaticMappingDetails findDetails(@Nonnull final List<SnatStaticMappingDetails> details, + final long natInstanceId, final long idx, + @Nonnull final MappingContext mappingContext) { + // Find mapping entry for Index + final MappingEntry ctxMappingEntry = mappingContext.read(getTableId(natInstanceId)) + .transform(MappingTable::getMappingEntry) + .or(Collections.emptyList()) + .stream() + .filter(entry -> entry.getIndex() == idx) + .findFirst() + .orElseThrow(() -> new IllegalStateException("Unable to find context mapping for nat-instance: " + + natInstanceId + " and ID: " + idx)); + + // Find which details matches the context stored entry under index + return details.stream() + .filter(detail -> equalEntries(detail, ctxMappingEntry)) + .findFirst() + .orElseThrow(() -> new IllegalStateException("Unable to match mapping for nat-instance: " + + natInstanceId + " and match: " + ctxMappingEntry + " in: " + details)); + } + + /** + * Get index for a mapping entry details or create an artificial one. + */ + public synchronized long getStoredOrArtificialIndex(final Long natInstanceId, + @Nonnull final SnatStaticMappingDetails details, + @Nonnull final MappingContext mappingContext) { + return mappingContext.read(getId(natInstanceId, entryToKey(details))) + .transform(MappingEntry::getIndex) + .or(() -> getArtificialId(details, natInstanceId, mappingContext)); + } + + /** + * Get index for a stored mapping entry. + */ + public synchronized Optional<Long> getStoredIndex(final long natInstanceId, + @Nonnull final org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.mapping.table.MappingEntry entry, + @Nonnull final MappingContext mappingContext) { + return mappingContext.read(getId(natInstanceId, entryToKey(entry))) + .transform(MappingEntry::getIndex); + } + + private long getArtificialId(final SnatStaticMappingDetails details, final Long natInstanceId, + final MappingContext mappingContext) { + LOG.trace("Assigning artificial ID for {}", details); + final long artificialIdx = findFreeIndex(natInstanceId, mappingContext); + LOG.debug("Artificial ID for {} assigned as: {}", details, artificialIdx); + mappingContext.put(getId(natInstanceId, entryToKey(details)), toCtxMapEntry(details, artificialIdx)); + return artificialIdx; + } + + private long findFreeIndex(final long natInstanceId, final MappingContext mappingContext) { + return mappingContext.read(getTableId(natInstanceId)) + .transform(MappingTable::getMappingEntry) + .or(Collections.emptyList()) + .stream() + .map(MappingEntry::getIndex) + .max(Comparator.naturalOrder()) + .map(i -> i + 1) + .orElse(0L); + } +} diff --git a/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/write/MappingEntryCustomizer.java b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/write/MappingEntryCustomizer.java new file mode 100644 index 000000000..785606942 --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/write/MappingEntryCustomizer.java @@ -0,0 +1,182 @@ +/* + * 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.nat.write; + +import static com.google.common.base.Preconditions.checkArgument; + +import com.google.common.base.Optional; +import io.fd.honeycomb.nat.util.MappingEntryContext; +import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer; +import io.fd.honeycomb.translate.vpp.util.Ipv4Translator; +import io.fd.honeycomb.translate.vpp.util.JvppReplyConsumer; +import io.fd.honeycomb.translate.write.WriteContext; +import io.fd.honeycomb.translate.write.WriteFailedException; +import io.fd.vpp.jvpp.snat.dto.SnatAddStaticMapping; +import io.fd.vpp.jvpp.snat.future.FutureJVppSnatFacade; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.PortNumber; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.NatInstance; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.mapping.table.MappingEntry; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.mapping.table.MappingEntryKey; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.port.number.PortType; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.port.number.port.type.SinglePortNumber; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +final class MappingEntryCustomizer implements ListWriterCustomizer<MappingEntry, MappingEntryKey>, + JvppReplyConsumer, Ipv4Translator { + + private static final Logger LOG = LoggerFactory.getLogger(MappingEntryCustomizer.class); + + private final FutureJVppSnatFacade jvppSnat; + private final MappingEntryContext mappingEntryContext; + + MappingEntryCustomizer(final FutureJVppSnatFacade jvppSnat, final MappingEntryContext mappingEntryContext) { + this.jvppSnat = jvppSnat; + this.mappingEntryContext = mappingEntryContext; + } + + @Override + public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<MappingEntry> id, + @Nonnull final MappingEntry dataAfter, + @Nonnull final WriteContext writeContext) + throws WriteFailedException { + // Only static mapping supported by SNAT for now + checkArgument(dataAfter.getType() == + org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.MappingEntry.Type.Static, + "Only static NAT entries are supported currently. Trying to write: %s entry", dataAfter.getType()); + final Long natInstanceId = id.firstKeyOf(NatInstance.class).getId(); + final Long mappingEntryId = id.firstKeyOf(MappingEntry.class).getIndex(); + LOG.debug("Writing mapping entry: {} for nat-instance(vrf): {}", natInstanceId, mappingEntryId); + + final SnatAddStaticMapping request = getRequest(id, dataAfter, natInstanceId, true); + getReplyForWrite(jvppSnat.snatAddStaticMapping(request).toCompletableFuture(), id); + + // Store context mapping only if not already present under the same exact mapping + synchronized (mappingEntryContext) { + if (shouldStoreContextMapping(natInstanceId, mappingEntryId, dataAfter, writeContext)) { + mappingEntryContext + .addEntry(natInstanceId, mappingEntryId, dataAfter, writeContext.getMappingContext()); + } + } + LOG.trace("Mapping entry: {} for nat-instance(vrf): {} written successfully", request.vrfId, id); + } + + /** + * Check whether entry is already stored in context under the same index. + * + * @return true if it's not yet stored under same index, false otherwise. + */ + private boolean shouldStoreContextMapping(final long natInstanceId, final long mappingEntryId, + final MappingEntry dataAfter, + final WriteContext writeCtx) { + if (!mappingEntryContext.containsEntry(natInstanceId, dataAfter, writeCtx.getMappingContext())) { + return true; + } + + final Optional<Long> storedIndex = + mappingEntryContext.getStoredIndex(natInstanceId, dataAfter, writeCtx.getMappingContext()); + if (!storedIndex.isPresent()) { + return true; + } + + if (storedIndex.get() != mappingEntryId) { + return true; + } + + return false; + } + + @Override + public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<MappingEntry> id, + @Nonnull final MappingEntry dataBefore, + @Nonnull final MappingEntry dataAfter, + @Nonnull final WriteContext writeContext) throws WriteFailedException { + throw new WriteFailedException.UpdateFailedException(id, dataBefore, dataAfter, + new UnsupportedOperationException("Mapping entry update not supported")); + } + + @Override + public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<MappingEntry> id, + @Nonnull final MappingEntry dataBefore, + @Nonnull final WriteContext writeContext) throws WriteFailedException { + final long natInstanceId = id.firstKeyOf(NatInstance.class).getId(); + final MappingEntryKey mappingEntryKey = id.firstKeyOf(MappingEntry.class); + LOG.debug("Deleting mapping entry: {} for nat-instance(vrf): {}", natInstanceId, mappingEntryKey); + + final SnatAddStaticMapping request = getRequest(id, dataBefore, natInstanceId, false); + getReplyForWrite(jvppSnat.snatAddStaticMapping(request).toCompletableFuture(), id); + mappingEntryContext.removeEntry(natInstanceId, dataBefore, writeContext.getMappingContext()); + LOG.trace("Mapping entry: {} for nat-instance(vrf): {} deleted successfully", request.vrfId, id); + } + + private SnatAddStaticMapping getRequest(final InstanceIdentifier<MappingEntry> id, + final MappingEntry dataAfter, + final Long natInstanceId, + final boolean isAdd) + throws WriteFailedException.CreateFailedException { + final SnatAddStaticMapping request = new SnatAddStaticMapping(); + request.isAdd = isAdd + ? (byte) 1 + : 0; + request.isIp4 = 1; + // VPP uses int, model long + request.vrfId = natInstanceId.intValue(); + + // Snat supports only ipv4 now + if (dataAfter.getInternalSrcAddress().getIpv4Address() == null) { + throw new WriteFailedException.CreateFailedException(id, dataAfter, + new UnsupportedOperationException( + String.format("No Ipv4 present for in address %s. Ipv6 not supported", + dataAfter.getInternalSrcAddress()))); + } + + request.addrOnly = 1; + request.localIpAddress = + ipv4AddressNoZoneToArray(dataAfter.getInternalSrcAddress().getIpv4Address().getValue()); + request.externalIpAddress = ipv4AddressNoZoneToArray(dataAfter.getExternalSrcAddress().getValue()); + + Optional<Short> internalPortNumber = getPortNumber(id, dataAfter, + (entry) -> Optional.fromNullable(entry.getInternalSrcPort()).transform(PortNumber::getPortType)); + Optional<Short> externalPortNumber = getPortNumber(id, dataAfter, + (entry) -> Optional.fromNullable(entry.getExternalSrcPort()).transform(PortNumber::getPortType)); + if (internalPortNumber.isPresent() && externalPortNumber.isPresent()) { + request.addrOnly = 0; + request.localPort = internalPortNumber.get(); + request.externalPort = externalPortNumber.get(); + } + return request; + } + + private Optional<Short> getPortNumber(final InstanceIdentifier<MappingEntry> id, final MappingEntry dataAfter, + final PortGetter portGetter) { + return portGetter.getPortType(dataAfter).transform(port -> { + if (port instanceof SinglePortNumber) { + return ((SinglePortNumber) port).getSinglePortNumber().getValue().shortValue(); + } else { + throw new IllegalArgumentException( + String.format("Only single port number supported. Submitted: %s for entry: %s", + dataAfter.getInternalSrcPort(), id)); + } + }); + } + + interface PortGetter { + Optional<PortType> getPortType(MappingEntry entry); + } +} diff --git a/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/write/NatInstaceCustomizer.java b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/write/NatInstaceCustomizer.java new file mode 100644 index 000000000..3cc477dd0 --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/write/NatInstaceCustomizer.java @@ -0,0 +1,53 @@ +/* + * 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.nat.write; + +import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer; +import io.fd.honeycomb.translate.write.WriteContext; +import io.fd.honeycomb.translate.write.WriteFailedException; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.NatInstance; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.NatInstanceKey; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +final class NatInstaceCustomizer implements ListWriterCustomizer<NatInstance, NatInstanceKey> { + + private static final Logger LOG = LoggerFactory.getLogger(NatInstaceCustomizer.class); + + @Override + public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<NatInstance> id, + @Nonnull final NatInstance dataAfter, @Nonnull final WriteContext writeContext) + throws WriteFailedException { + LOG.trace("Writing nat-instance: {}", id); + } + + @Override + public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<NatInstance> id, + @Nonnull final NatInstance dataBefore, @Nonnull final NatInstance dataAfter, + @Nonnull final WriteContext writeContext) throws WriteFailedException { + LOG.trace("Updating nat-instance: {}", id); + } + + @Override + public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<NatInstance> id, + @Nonnull final NatInstance dataBefore, @Nonnull final WriteContext writeContext) + throws WriteFailedException { + LOG.trace("Deleting nat-instance: {}", id); + } +} diff --git a/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/write/NatWriterFactory.java b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/write/NatWriterFactory.java new file mode 100644 index 000000000..ecc886bf0 --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/write/NatWriterFactory.java @@ -0,0 +1,66 @@ +/* + * 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.nat.write; + +import com.google.common.collect.Sets; +import com.google.inject.Inject; +import io.fd.honeycomb.nat.util.MappingEntryContext; +import io.fd.honeycomb.translate.impl.write.GenericListWriter; +import io.fd.honeycomb.translate.write.WriterFactory; +import io.fd.honeycomb.translate.write.registry.ModifiableWriterRegistryBuilder; +import io.fd.vpp.jvpp.snat.future.FutureJVppSnatFacade; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.NatConfig; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.mapping.entry.ExternalSrcPort; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.mapping.entry.InternalSrcPort; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.NatInstances; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.NatInstance; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.MappingTable; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.mapping.table.MappingEntry; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; + +/** + * Nat Writers registration. + */ +public final class NatWriterFactory implements WriterFactory { + + private static final InstanceIdentifier<NatConfig> NAT_CFG_ID = InstanceIdentifier.create(NatConfig.class); + private static final InstanceIdentifier<NatInstance> NAT_INSTANCE_ID = + NAT_CFG_ID.child(NatInstances.class).child(NatInstance.class); + private static final InstanceIdentifier<MappingEntry> MAP_ENTRY_ID = + NAT_INSTANCE_ID.child(MappingTable.class).child(MappingEntry.class); + + private final FutureJVppSnatFacade jvppSnat; + private final MappingEntryContext mappingEntryContext; + + @Inject + public NatWriterFactory(final FutureJVppSnatFacade jvppSnat, + final MappingEntryContext mappingEntryContext) { + this.jvppSnat = jvppSnat; + this.mappingEntryContext = mappingEntryContext; + } + + @Override + public void init(@Nonnull final ModifiableWriterRegistryBuilder registry) { + // Nat-instance + registry.add(new GenericListWriter<>(NAT_INSTANCE_ID, new NatInstaceCustomizer())); + // Mapping-entry + registry.subtreeAdd(Sets.newHashSet(InstanceIdentifier.create(MappingEntry.class).child(ExternalSrcPort.class), + InstanceIdentifier.create(MappingEntry.class).child(InternalSrcPort.class)), + new GenericListWriter<>(MAP_ENTRY_ID, new MappingEntryCustomizer(jvppSnat, mappingEntryContext))); + } +} diff --git a/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/write/ifc/AbstractInterfaceNatCustomizer.java b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/write/ifc/AbstractInterfaceNatCustomizer.java new file mode 100644 index 000000000..64e714241 --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/write/ifc/AbstractInterfaceNatCustomizer.java @@ -0,0 +1,105 @@ +/* + * 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.nat.write.ifc; + +import io.fd.honeycomb.translate.spi.write.WriterCustomizer; +import io.fd.honeycomb.translate.vpp.util.JvppReplyConsumer; +import io.fd.honeycomb.translate.vpp.util.NamingContext; +import io.fd.honeycomb.translate.write.WriteContext; +import io.fd.honeycomb.translate.write.WriteFailedException; +import io.fd.vpp.jvpp.snat.dto.SnatInterfaceAddDelFeature; +import io.fd.vpp.jvpp.snat.dto.SnatInterfaceAddDelFeatureReply; +import io.fd.vpp.jvpp.snat.future.FutureJVppSnatFacade; +import java.util.concurrent.CompletionStage; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface; +import org.opendaylight.yangtools.yang.binding.DataObject; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.slf4j.Logger; + +abstract class AbstractInterfaceNatCustomizer<D extends DataObject> implements JvppReplyConsumer, WriterCustomizer<D> { + + private final FutureJVppSnatFacade jvppSnat; + private final NamingContext ifcContext; + + AbstractInterfaceNatCustomizer(@Nonnull final FutureJVppSnatFacade jvppSnat, + @Nonnull final NamingContext ifcContext) { + this.jvppSnat = jvppSnat; + this.ifcContext = ifcContext; + } + + @Override + public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<D> id, @Nonnull final D dataAfter, + @Nonnull final WriteContext writeContext) throws WriteFailedException { + final String ifcName = id.firstKeyOf(Interface.class).getName(); + getLog().debug("Enabling " + getType() + " NAT on interface: {}", ifcName); + getLog().debug("Enabling " + getType() + " NAT: {}", id); + + final int ifcIndex = ifcContext.getIndex(ifcName, writeContext.getMappingContext()); + final SnatInterfaceAddDelFeature request = getRequest(ifcIndex, (byte)1); + final CompletionStage<SnatInterfaceAddDelFeatureReply> future = jvppSnat.snatInterfaceAddDelFeature(request); + + final SnatInterfaceAddDelFeatureReply reply = getReplyForWrite(future.toCompletableFuture(), id); + getLog().debug("NAT " + getType() + " enabled successfully on: {}, reply: {}", ifcName, reply); + } + + @Override + public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<D> id, + @Nonnull final D dataBefore, @Nonnull final D dataAfter, + @Nonnull final WriteContext writeContext) throws WriteFailedException { + throw new WriteFailedException.UpdateFailedException(id, dataBefore, dataAfter, + new UnsupportedOperationException("Unable to update NAT feature")); + } + + @Override + public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<D> id, + @Nonnull final D dataBefore, @Nonnull final WriteContext writeContext) + throws WriteFailedException { + final String ifcName = id.firstKeyOf(Interface.class).getName(); + getLog().debug("Disabling " + getType() + " NAT on interface: {}", ifcName); + getLog().debug("Disabling " + getType() + " NAT: {}", id); + + final int ifcIndex = ifcContext.getIndex(ifcName, writeContext.getMappingContext()); + final SnatInterfaceAddDelFeature request = getRequest(ifcIndex, (byte)0); + final CompletionStage<SnatInterfaceAddDelFeatureReply> future = jvppSnat.snatInterfaceAddDelFeature(request); + + final SnatInterfaceAddDelFeatureReply reply = getReplyForWrite(future.toCompletableFuture(), id); + getLog().debug("NAT " + getType() + " disabled successfully on: {}, reply: {}", ifcName, reply); + } + + enum NatType { + INBOUND((byte)1), OUTBOUND((byte)0); + + private final byte isInside; + + NatType(final byte isInside) { + this.isInside = isInside; + } + } + + abstract NatType getType(); + abstract Logger getLog(); + + private SnatInterfaceAddDelFeature getRequest(final int ifcIdx, final byte isAdd) { + final SnatInterfaceAddDelFeature request = new SnatInterfaceAddDelFeature(); + request.isAdd = isAdd; + request.isInside = getType().isInside; + request.swIfIndex = ifcIdx; + return request; + } + +} diff --git a/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/write/ifc/IfcNatWriterFactory.java b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/write/ifc/IfcNatWriterFactory.java new file mode 100644 index 000000000..bf2c600a2 --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/write/ifc/IfcNatWriterFactory.java @@ -0,0 +1,62 @@ +/* + * 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.nat.write.ifc; + +import com.google.inject.Inject; +import com.google.inject.name.Named; +import io.fd.honeycomb.translate.impl.write.GenericWriter; +import io.fd.honeycomb.translate.vpp.util.NamingContext; +import io.fd.honeycomb.translate.write.WriterFactory; +import io.fd.honeycomb.translate.write.registry.ModifiableWriterRegistryBuilder; +import io.fd.vpp.jvpp.snat.future.FutureJVppSnatFacade; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214.NatInterfaceAugmentation; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214._interface.nat.attributes.Nat; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214._interface.nat.attributes.nat.Inbound; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214._interface.nat.attributes.nat.Outbound; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; + +/** + * Nat Writers registration. + */ +public final class IfcNatWriterFactory implements WriterFactory { + + private static final InstanceIdentifier<Interface> + IFC_ID = InstanceIdentifier.create(Interfaces.class).child(Interface.class); + private static final InstanceIdentifier<Nat> NAT_AUG_ID = + IFC_ID .augmentation(NatInterfaceAugmentation.class).child(Nat.class); + + private final FutureJVppSnatFacade jvppSnat; + private final NamingContext ifcContext; + + @Inject + public IfcNatWriterFactory(final FutureJVppSnatFacade jvppSnat, + @Named("interface-context") final NamingContext ifcContext) { + this.jvppSnat = jvppSnat; + this.ifcContext = ifcContext; + } + + @Override + public void init(@Nonnull final ModifiableWriterRegistryBuilder registry) { + registry.addAfter(new GenericWriter<>(NAT_AUG_ID.child(Inbound.class), + new InterfaceInboundNatCustomizer(jvppSnat, ifcContext)), IFC_ID); + registry.addAfter(new GenericWriter<>(NAT_AUG_ID.child(Outbound.class), + new InterfaceOutboundNatCustomizer(jvppSnat, ifcContext)), IFC_ID); + } +} diff --git a/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/write/ifc/InterfaceInboundNatCustomizer.java b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/write/ifc/InterfaceInboundNatCustomizer.java new file mode 100644 index 000000000..8ab1c284c --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/write/ifc/InterfaceInboundNatCustomizer.java @@ -0,0 +1,44 @@ +/* + * 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.nat.write.ifc; + +import io.fd.honeycomb.translate.vpp.util.NamingContext; +import io.fd.vpp.jvpp.snat.future.FutureJVppSnatFacade; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214._interface.nat.attributes.nat.Inbound; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +final class InterfaceInboundNatCustomizer extends AbstractInterfaceNatCustomizer<Inbound> { + + private static final Logger LOG = LoggerFactory.getLogger(InterfaceInboundNatCustomizer.class); + + InterfaceInboundNatCustomizer(@Nonnull final FutureJVppSnatFacade jvppSnat, + @Nonnull final NamingContext ifcContext) { + super(jvppSnat, ifcContext); + } + + @Override + NatType getType() { + return NatType.INBOUND; + } + + @Override + Logger getLog() { + return LOG; + } +} diff --git a/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/write/ifc/InterfaceOutboundNatCustomizer.java b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/write/ifc/InterfaceOutboundNatCustomizer.java new file mode 100644 index 000000000..fdd174eba --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/write/ifc/InterfaceOutboundNatCustomizer.java @@ -0,0 +1,44 @@ +/* + * 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.nat.write.ifc; + +import io.fd.honeycomb.translate.vpp.util.NamingContext; +import io.fd.vpp.jvpp.snat.future.FutureJVppSnatFacade; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214._interface.nat.attributes.nat.Outbound; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +final class InterfaceOutboundNatCustomizer extends AbstractInterfaceNatCustomizer<Outbound> { + + private static final Logger LOG = LoggerFactory.getLogger(InterfaceOutboundNatCustomizer.class); + + InterfaceOutboundNatCustomizer(@Nonnull final FutureJVppSnatFacade jvppSnat, + @Nonnull final NamingContext ifcContext) { + super(jvppSnat, ifcContext); + } + + @Override + NatType getType() { + return NatType.OUTBOUND; + } + + @Override + Logger getLog() { + return LOG; + } +} diff --git a/nat/nat2vpp/src/test/java/io/fd/honeycomb/nat/NatModuleTest.java b/nat/nat2vpp/src/test/java/io/fd/honeycomb/nat/NatModuleTest.java new file mode 100644 index 000000000..774dd6f2a --- /dev/null +++ b/nat/nat2vpp/src/test/java/io/fd/honeycomb/nat/NatModuleTest.java @@ -0,0 +1,123 @@ +/* + * 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.nat; + +import static org.hamcrest.CoreMatchers.is; +import static org.hamcrest.CoreMatchers.not; +import static org.hamcrest.Matchers.empty; +import static org.junit.Assert.assertNotNull; +import static org.junit.Assert.assertThat; +import static org.mockito.Mockito.mock; +import static org.mockito.MockitoAnnotations.initMocks; + +import com.google.inject.Guice; +import com.google.inject.Inject; +import com.google.inject.Provider; +import com.google.inject.multibindings.Multibinder; +import com.google.inject.name.Named; +import com.google.inject.testing.fieldbinder.Bind; +import com.google.inject.testing.fieldbinder.BoundFieldModule; +import io.fd.honeycomb.translate.read.ReaderFactory; +import io.fd.honeycomb.translate.util.read.registry.CompositeReaderRegistryBuilder; +import io.fd.honeycomb.translate.util.write.registry.FlatWriterRegistryBuilder; +import io.fd.honeycomb.translate.vpp.util.NamingContext; +import io.fd.honeycomb.translate.write.WriterFactory; +import io.fd.vpp.jvpp.snat.future.FutureJVppSnatFacade; +import java.util.HashSet; +import java.util.Set; +import org.junit.Before; +import org.junit.Test; +import org.mockito.Mock; +import org.opendaylight.controller.md.sal.binding.api.DataBroker; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesStateBuilder; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceBuilder; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; + +public class NatModuleTest { + + @Named("honeycomb-context") + @Bind + @Mock + private DataBroker honeycombContext; + + @Bind + private ReaderFactory ietfIfcReaderFactory; + + @Named("honeycomb-initializer") + @Bind + @Mock + private DataBroker honeycombInitializer; + + @Named("interface-context") + @Bind + private NamingContext ifcContext; + + @Inject + private Set<ReaderFactory> readerFactories = new HashSet<>(); + + @Inject + private Set<WriterFactory> writerFactories = new HashSet<>(); + + @Before + public void setUp() throws Exception { + ietfIfcReaderFactory = registry -> { + registry.addStructuralReader(InstanceIdentifier.create(InterfacesState.class), InterfacesStateBuilder.class); + registry.addStructuralReader(InstanceIdentifier.create(InterfacesState.class).child(Interface.class), InterfaceBuilder.class); + }; + initMocks(this); + ifcContext = new NamingContext("interface-", "interface-context"); + // Nat Module adds readers under InterfacesState/Interface and since readers for parents that do nothing need to + // be present, add structural readers (or add V3poModule here, but adding the full Module is not the best solution) + Guice.createInjector(binder -> Multibinder.newSetBinder(binder, ReaderFactory.class) + .addBinding().toInstance(registry -> { + registry.addStructuralReader(InstanceIdentifier.create(InterfacesState.class), + InterfacesStateBuilder.class); + registry.addStructuralReader(InstanceIdentifier.create(InterfacesState.class).child(Interface.class), + InterfaceBuilder.class); + }), new NatModule(MockJVppSnatProvider.class), BoundFieldModule.of(this)).injectMembers(this); + } + + @Test + public void testReaderFactories() throws Exception { + assertThat(readerFactories, is(not(empty()))); + + // Test registration process (all dependencies present, topological order of readers does exist, etc.) + final CompositeReaderRegistryBuilder registryBuilder = new CompositeReaderRegistryBuilder(); + readerFactories.forEach(factory -> factory.init(registryBuilder)); + assertNotNull(registryBuilder.build()); + } + + @Test + public void testWriterFactories() throws Exception { + assertThat(writerFactories, is(not(empty()))); + + // Test registration process (all dependencies present, topological order of writers does exist, etc.) + final FlatWriterRegistryBuilder registryBuilder = new FlatWriterRegistryBuilder(); + writerFactories.forEach(factory -> factory.init(registryBuilder)); + assertNotNull(registryBuilder.build()); + } + + private static final class MockJVppSnatProvider implements Provider<FutureJVppSnatFacade> { + + @Override + public FutureJVppSnatFacade get() { + return mock(FutureJVppSnatFacade.class); + } + } +}
\ No newline at end of file diff --git a/nat/nat2vpp/src/test/java/io/fd/honeycomb/nat/util/MappingEntryContextTest.java b/nat/nat2vpp/src/test/java/io/fd/honeycomb/nat/util/MappingEntryContextTest.java new file mode 100644 index 000000000..fee8def89 --- /dev/null +++ b/nat/nat2vpp/src/test/java/io/fd/honeycomb/nat/util/MappingEntryContextTest.java @@ -0,0 +1,198 @@ +/* + * 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.nat.util; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertSame; +import static org.mockito.Matchers.any; +import static org.mockito.Mockito.verify; +import static org.mockito.Mockito.when; +import static org.mockito.MockitoAnnotations.initMocks; + +import com.google.common.base.Optional; +import com.google.common.collect.Lists; +import io.fd.honeycomb.translate.MappingContext; +import io.fd.honeycomb.translate.vpp.util.Ipv4Translator; +import io.fd.vpp.jvpp.snat.dto.SnatStaticMappingDetails; +import java.util.Collections; +import java.util.List; +import org.junit.Before; +import org.junit.Test; +import org.mockito.Mock; +import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.nat.context.rev161214.mapping.entry.context.attributes.nat.mapping.entry.context.nat.instance.MappingTableBuilder; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.mapping.table.MappingEntry; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.mapping.table.MappingEntryBuilder; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.mapping.table.MappingEntryKey; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; + +@SuppressWarnings("unchecked") +public class MappingEntryContextTest implements Ipv4Translator { + + private MappingEntryContext ctx = new MappingEntryContext(); + @Mock + private MappingContext mappingCtx; + + @Before + public void setUp() throws Exception { + initMocks(this); + } + + @Test + public void testAdd() throws Exception { + when(mappingCtx.read(any(InstanceIdentifier.class))).thenReturn(Optional.absent()); + final long natId = 7; + final long entryId = 99; + final MappingEntry entry = getEntry(natId, "192.168.1.5", "17.14.4.6"); + + ctx.addEntry(natId, entryId, entry, mappingCtx); + + verify(mappingCtx).put(MappingEntryContext.getId(natId, MappingEntryContext.entryToKey(entry)), MappingEntryContext.toCtxMapEntry(entry, entryId)); + } + + @Test + public void testRemove() throws Exception { + final long natId = 0; + final MappingEntry entry = getEntry(natId, "192.168.1.5", "17.14.4.6"); + + ctx.removeEntry(natId, entry, mappingCtx); + + verify(mappingCtx).delete(MappingEntryContext.getId(natId, MappingEntryContext.entryToKey(entry))); + } + + @Test + public void testGetExistingIndex() throws Exception { + final long natId = 0; + final long entryId = 12; + final MappingEntry entry = getEntry(entryId, "192.168.1.5", "17.14.4.6"); + final SnatStaticMappingDetails details = getDetails(entryId, "192.168.1.5", "17.14.4.6"); + + when(mappingCtx.read(MappingEntryContext.getId(natId, MappingEntryContext.entryToKey(entry)))) + .thenReturn(Optional.of(MappingEntryContext.toCtxMapEntry(entry, entryId))); + + assertEquals(12, ctx.getStoredOrArtificialIndex(natId, details, mappingCtx)); + verify(mappingCtx).read(MappingEntryContext.getId(natId, MappingEntryContext.entryToKey(entry))); + } + + @Test + public void testFindDetails() throws Exception { + final long natId = 0; + final MappingEntry entry = getEntry(0, "192.168.1.5", "17.14.4.6"); + final SnatStaticMappingDetails details = getDetails(0, "192.168.1.5", "17.14.4.6"); + final MappingEntry entry2 = getEntry(1, "192.168.1.8", "17.14.4.10"); + final SnatStaticMappingDetails details2 = getDetails(1, "192.168.1.8", "17.14.4.10"); + + final List<SnatStaticMappingDetails> someDetails = Lists.newArrayList(details, details2); + + when(mappingCtx.read(MappingEntryContext.getTableId(natId))) + .thenReturn(Optional.of(new MappingTableBuilder() + .setMappingEntry(Lists.newArrayList( + MappingEntryContext.toCtxMapEntry(entry, 0), + MappingEntryContext.toCtxMapEntry(entry2, 1))) + .build())); + + assertSame(details, ctx.findDetails(someDetails, natId, 0, mappingCtx)); + } + + @Test(expected = IllegalStateException.class) + public void testFindDetailsNoMappingStored() throws Exception { + final long natId = 0; + final long entryId = 12; + final SnatStaticMappingDetails details = getDetails(entryId, "192.168.1.5", "17.14.4.6"); + final List<SnatStaticMappingDetails> someDetails = Lists.newArrayList(details); + when(mappingCtx.read(MappingEntryContext.getTableId(natId))).thenReturn(Optional.absent()); + + ctx.findDetails(someDetails, natId, entryId, mappingCtx); + } + + @Test(expected = IllegalStateException.class) + public void testFindDetailsNoMappingStored2() throws Exception { + final long natId = 0; + final long entryId = 12; + final SnatStaticMappingDetails details = getDetails(entryId, "192.168.1.5", "17.14.4.6"); + final List<SnatStaticMappingDetails> someDetails = Lists.newArrayList(details); + + when(mappingCtx.read(MappingEntryContext.getTableId(natId))) + .thenReturn(Optional.of(new MappingTableBuilder().setMappingEntry(Collections.emptyList()).build())); + + ctx.findDetails(someDetails, natId, entryId, mappingCtx); + } + + @Test + public void testGetArtificialIndex() throws Exception { + final long natId = 0; + final long entryId = 0; + final MappingEntry entry = getEntry(entryId, "192.168.1.5", "17.14.4.6"); + final long entryId2 = 55; + final MappingEntry entry2 = getEntry(entryId2, "192.168.1.6", "17.14.4.7"); + final long entryId3 = 18954; + final MappingEntry entry3 = getEntry(entryId3, "192.168.1.7", "17.14.4.8"); + final long entryId4 = 18955; + final MappingEntry entry4 = getEntry(entryId4, "192.168.1.8", "17.14.4.9"); + + final long newEntryId = 18956; + final MappingEntry newEntry = getEntry(newEntryId, "192.168.1.99", "17.14.4.99"); + final SnatStaticMappingDetails newDetails = getDetails(newEntryId, "192.168.1.99", "17.14.4.99"); + when(mappingCtx.read(MappingEntryContext.getId(natId, MappingEntryContext.entryToKey(newEntry)))) + .thenReturn(Optional.absent()); + + when(mappingCtx.read(MappingEntryContext.getTableId(natId))) + .thenReturn(Optional.of(new MappingTableBuilder() + .setMappingEntry(Lists.newArrayList( + MappingEntryContext.toCtxMapEntry(entry, entryId), + MappingEntryContext.toCtxMapEntry(entry3, entryId3), + MappingEntryContext.toCtxMapEntry(entry4, entryId4), + MappingEntryContext.toCtxMapEntry(entry2, entryId2))) + .build())); + + assertFalse(ctx.getStoredIndex(natId, newEntry, mappingCtx).isPresent()); + assertEquals(newEntryId, ctx.getStoredOrArtificialIndex(natId, newDetails, mappingCtx)); + } + + private SnatStaticMappingDetails getDetails(final long vrfId, final String localIp, final String externIp) { + final SnatStaticMappingDetails snatStaticMappingDetails = new SnatStaticMappingDetails(); + snatStaticMappingDetails.vrfId = (int) vrfId; + snatStaticMappingDetails.addrOnly = 1; + snatStaticMappingDetails.isIp4 = 1; + snatStaticMappingDetails.localIpAddress = ipv4AddressNoZoneToArray(localIp); + snatStaticMappingDetails.externalIpAddress = ipv4AddressNoZoneToArray(externIp); + return snatStaticMappingDetails; + } + + @Test(expected = IllegalArgumentException.class) + public void testAddExisting() throws Exception { + final long natId = 7; + final long entryId = 99; + final MappingEntry entry = getEntry(natId, "192.168.1.5", "17.14.4.6"); + final org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.nat.context.rev161214.mapping.entry.context.attributes.nat.mapping.entry.context.nat.instance.mapping.table.MappingEntry + data = MappingEntryContext.toCtxMapEntry(entry, entryId); + when(mappingCtx.read(any(InstanceIdentifier.class))).thenReturn(Optional.of(data)); + + ctx.addEntry(natId, entryId, entry, mappingCtx); + } + + private static MappingEntry getEntry(final long id, final String longernalIpv4, final String externalIpv4) { + return new MappingEntryBuilder() + .setKey(new MappingEntryKey(id)) + .setType(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.MappingEntry.Type.Static) + .setInternalSrcAddress(new IpAddress(new Ipv4Address(longernalIpv4))) + .setExternalSrcAddress(new Ipv4Address(externalIpv4)) + .build(); + } +}
\ No newline at end of file diff --git a/nat/nat2vpp/src/test/resources/nat.json b/nat/nat2vpp/src/test/resources/nat.json new file mode 100644 index 000000000..c7d9afeb3 --- /dev/null +++ b/nat/nat2vpp/src/test/resources/nat.json @@ -0,0 +1,3 @@ +{ + "enabled": "true" +}
\ No newline at end of file |