diff options
Diffstat (limited to 'nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat')
19 files changed, 1874 insertions, 0 deletions
diff --git a/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/NatModule.java b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/NatModule.java new file mode 100644 index 000000000..53f7560b6 --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/NatModule.java @@ -0,0 +1,72 @@ +/* + * 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.hc2vpp.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.hc2vpp.nat.jvpp.JVppSnatProvider; +import io.fd.hc2vpp.nat.read.NatReaderFactory; +import io.fd.hc2vpp.nat.read.ifc.IfcNatReaderFactory; +import io.fd.hc2vpp.nat.util.MappingEntryContext; +import io.fd.hc2vpp.nat.write.NatWriterFactory; +import io.fd.hc2vpp.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); + LOG.info("Module NAT successfully configured"); + } +} diff --git a/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/jvpp/JVppSnatProvider.java b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/jvpp/JVppSnatProvider.java new file mode 100755 index 000000000..c16bcbaab --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/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.hc2vpp.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/hc2vpp/nat/read/ExternalIpPoolCustomizer.java b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/read/ExternalIpPoolCustomizer.java new file mode 100644 index 000000000..615d9c70f --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/read/ExternalIpPoolCustomizer.java @@ -0,0 +1,150 @@ +/* + * 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.hc2vpp.nat.read; + +import io.fd.honeycomb.translate.read.ReadContext; +import io.fd.honeycomb.translate.read.ReadFailedException; +import io.fd.honeycomb.translate.spi.read.Initialized; +import io.fd.honeycomb.translate.spi.read.InitializingListReaderCustomizer; +import io.fd.honeycomb.translate.util.RWUtils; +import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager; +import io.fd.honeycomb.translate.util.read.cache.EntityDumpExecutor; +import io.fd.hc2vpp.common.translate.util.Ipv4Translator; +import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer; +import io.fd.vpp.jvpp.snat.dto.SnatAddressDetails; +import io.fd.vpp.jvpp.snat.dto.SnatAddressDetailsReplyDump; +import io.fd.vpp.jvpp.snat.dto.SnatAddressDump; +import io.fd.vpp.jvpp.snat.future.FutureJVppSnatFacade; +import java.util.Collections; +import java.util.List; +import java.util.stream.Collectors; +import java.util.stream.LongStream; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.parameters.ExternalIpAddressPool; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.parameters.ExternalIpAddressPoolBuilder; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.parameters.ExternalIpAddressPoolKey; +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.NatInstanceKey; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.nat.instance.NatCurrentConfigBuilder; +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; + +final class ExternalIpPoolCustomizer implements + InitializingListReaderCustomizer<ExternalIpAddressPool, ExternalIpAddressPoolKey, ExternalIpAddressPoolBuilder>, + JvppReplyConsumer, Ipv4Translator { + + private static final Logger LOG = LoggerFactory.getLogger(ExternalIpPoolCustomizer.class); + + private final DumpCacheManager<SnatAddressDetailsReplyDump, Void> dumpMgr; + + ExternalIpPoolCustomizer(final DumpCacheManager<SnatAddressDetailsReplyDump, Void> dumpMgr) { + this.dumpMgr = dumpMgr; + } + + @Nonnull + @Override + public ExternalIpAddressPoolBuilder getBuilder(@Nonnull final InstanceIdentifier<ExternalIpAddressPool> id) { + return new ExternalIpAddressPoolBuilder(); + } + + @Override + public void readCurrentAttributes(@Nonnull final InstanceIdentifier<ExternalIpAddressPool> id, + @Nonnull final ExternalIpAddressPoolBuilder builder, + @Nonnull final ReadContext ctx) throws ReadFailedException { + LOG.trace("Reading current attributes for external IP pool: {}", id); + + final Long poolId = id.firstKeyOf(ExternalIpAddressPool.class).getPoolId(); + final SnatAddressDetails details = + dumpMgr.getDump(id, ctx.getModificationCache(), null) + .or(new SnatAddressDetailsReplyDump()).snatAddressDetails.get(Math.toIntExact(poolId)); + + builder.setExternalIpPool( + new Ipv4Prefix(arrayToIpv4AddressNoZoneReversed(details.ipAddress).getValue() + "/32")); + builder.setPoolId(poolId); + + LOG.trace("External IP pool: {}. Read as: {}", id, builder); + } + + @Nonnull + @Override + public List<ExternalIpAddressPoolKey> getAllIds(@Nonnull final InstanceIdentifier<ExternalIpAddressPool> id, + @Nonnull final ReadContext ctx) throws ReadFailedException { + final NatInstanceKey natKey = id.firstKeyOf(NatInstance.class); + if (!natKey.equals(NatInstanceCustomizer.DEFAULT_VRF_ID)) { + // IP Pools are not vrf aware ... so they are only visible under default vrf (nat-instance) + return Collections.emptyList(); + } + + LOG.trace("Listing IDs for all external IP pools within nat-instance(vrf):{}", natKey); + + // Since VPP returns every single (unordered) address instead of address range, + // there is no way to determine what the original ranges were when writing the data into VPP. + + // That's why the write and read is not symmetrical in terms of data structure, instead, + // this customizer also returns every single address as a 32 prefix and assigns an artificial key to them + + final long addressCount = dumpMgr.getDump(id, ctx.getModificationCache(), null) + .or(new SnatAddressDetailsReplyDump()).snatAddressDetails.stream() + .count(); + + final List<ExternalIpAddressPoolKey> ids = LongStream.range(0, addressCount) + .mapToObj(ExternalIpAddressPoolKey::new) + .collect(Collectors.toList()); + + LOG.trace("List of external IP pool ids: {}", ids); + return ids; + } + + @Override + public void merge(@Nonnull final Builder<? extends DataObject> builder, + @Nonnull final List<ExternalIpAddressPool> readData) { + ((NatCurrentConfigBuilder) builder).setExternalIpAddressPool(readData); + } + + @Override + public Initialized<ExternalIpAddressPool> init( + @Nonnull final InstanceIdentifier<ExternalIpAddressPool> id, + @Nonnull final ExternalIpAddressPool readValue, + @Nonnull final ReadContext ctx) { + return Initialized.create(getCfgId(id), readValue); + } + + static InstanceIdentifier<ExternalIpAddressPool> getCfgId(final @Nonnull InstanceIdentifier<ExternalIpAddressPool> id) { + return NatInstanceCustomizer.getCfgId(RWUtils.cutId(id, NatInstance.class)) + .child(ExternalIpAddressPool.class, id.firstKeyOf(ExternalIpAddressPool.class)); + } + + static final class AddressRangeDumpExecutor implements EntityDumpExecutor<SnatAddressDetailsReplyDump, Void>, + JvppReplyConsumer { + private final FutureJVppSnatFacade jvppSnat; + + AddressRangeDumpExecutor(final FutureJVppSnatFacade jvppSnat) { + this.jvppSnat = jvppSnat; + } + + @Nonnull + @Override + public SnatAddressDetailsReplyDump executeDump(final InstanceIdentifier<?> identifier, final Void params) + throws ReadFailedException { + return getReplyForRead(jvppSnat.snatAddressDump(new SnatAddressDump()).toCompletableFuture(), identifier); + } + } +} diff --git a/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/read/MappingEntryCustomizer.java b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/read/MappingEntryCustomizer.java new file mode 100644 index 000000000..75e06c26f --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/read/MappingEntryCustomizer.java @@ -0,0 +1,171 @@ +/* + * 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.hc2vpp.nat.read; + +import io.fd.hc2vpp.nat.util.MappingEntryContext; +import io.fd.honeycomb.translate.read.ReadContext; +import io.fd.honeycomb.translate.read.ReadFailedException; +import io.fd.honeycomb.translate.spi.read.Initialized; +import io.fd.honeycomb.translate.spi.read.InitializingListReaderCustomizer; +import io.fd.honeycomb.translate.util.RWUtils; +import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager; +import io.fd.honeycomb.translate.util.read.cache.EntityDumpExecutor; +import io.fd.hc2vpp.common.translate.util.Ipv4Translator; +import io.fd.hc2vpp.common.translate.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.config.nat.instances.nat.instance.MappingTable; +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; + +final class MappingEntryCustomizer implements Ipv4Translator, + InitializingListReaderCustomizer<MappingEntry, MappingEntryKey, MappingEntryBuilder> { + + private static final Logger LOG = LoggerFactory.getLogger(MappingEntryCustomizer.class); + + private final DumpCacheManager<SnatStaticMappingDetailsReplyDump, Void> dumpCacheManager; + private final MappingEntryContext mappingEntryContext; + + 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, 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, 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); + } + + @Override + public Initialized<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.mapping.table.MappingEntry> init(@Nonnull final InstanceIdentifier<MappingEntry> id, + @Nonnull final MappingEntry readValue, + @Nonnull final ReadContext ctx) { + return Initialized.create(getCfgId(id), + new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.mapping.table.MappingEntryBuilder(readValue) + .build()); + } + + static InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.mapping.table.MappingEntry> getCfgId(final @Nonnull InstanceIdentifier<MappingEntry> id) { + return NatInstanceCustomizer.getCfgId(RWUtils.cutId(id, NatInstance.class)) + .child(MappingTable.class) + .child(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.mapping.table.MappingEntry.class, + new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.mapping.table.MappingEntryKey(id.firstKeyOf(MappingEntry.class).getIndex())); + } + + 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/hc2vpp/nat/read/NatInstanceCustomizer.java b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/read/NatInstanceCustomizer.java new file mode 100644 index 000000000..9542587d0 --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/read/NatInstanceCustomizer.java @@ -0,0 +1,114 @@ +/* + * 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.hc2vpp.nat.read; + +import io.fd.honeycomb.translate.read.ReadContext; +import io.fd.honeycomb.translate.read.ReadFailedException; +import io.fd.honeycomb.translate.spi.read.Initialized; +import io.fd.honeycomb.translate.spi.read.InitializingListReaderCustomizer; +import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager; +import io.fd.vpp.jvpp.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.NatConfig; +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 InitializingListReaderCustomizer<NatInstance, NatInstanceKey, NatInstanceBuilder> { + + private static final Logger LOG = LoggerFactory.getLogger(NatInstanceCustomizer.class); + static final NatInstanceKey DEFAULT_VRF_ID = new NatInstanceKey(0L); + + private final DumpCacheManager<SnatStaticMappingDetailsReplyDump, Void> dumpCacheManager; + + 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"); + + // Find the nat instance IDs (vrf-ids) by listing all static mappings and their VRF assignment + final List<NatInstanceKey> vrfIds = + dumpCacheManager.getDump(id, context.getModificationCache(), null) + .or(new SnatStaticMappingDetailsReplyDump()).snatStaticMappingDetails.stream() + .map(detail -> detail.vrfId) + .map(vrfId -> new NatInstanceKey((long) vrfId)) + .collect(Collectors.toList()); + + // Add default vrf id if not present + if (!vrfIds.contains(DEFAULT_VRF_ID)) { + vrfIds.add(0, DEFAULT_VRF_ID); + } + + 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); + } + + @Override + public Initialized<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.NatInstance> init(@Nonnull final InstanceIdentifier<NatInstance> id, + @Nonnull final NatInstance readValue, + @Nonnull final ReadContext ctx) { + return Initialized.create(getCfgId(id), + new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.NatInstanceBuilder() + .setId(readValue.getId()) + .build()); + } + + static InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.NatInstance> getCfgId( + @Nonnull final InstanceIdentifier<NatInstance> id) { + return InstanceIdentifier.create(NatConfig.class) + .child(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.NatInstances.class) + .child(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.NatInstance.class, + new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.NatInstanceKey( + id.firstKeyOf(NatInstance.class).getId())); + } +} diff --git a/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/read/NatReaderFactory.java b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/read/NatReaderFactory.java new file mode 100644 index 000000000..76c478594 --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/read/NatReaderFactory.java @@ -0,0 +1,90 @@ +/* + * 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.hc2vpp.nat.read; + +import com.google.common.collect.Sets; +import com.google.inject.Inject; +import io.fd.hc2vpp.nat.util.MappingEntryContext; +import io.fd.honeycomb.translate.impl.read.GenericInitListReader; +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.SnatAddressDetailsReplyDump; +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.parameters.ExternalIpAddressPool; +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.NatCurrentConfig; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.nat.instance.NatCurrentConfigBuilder; +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<NatCurrentConfig> CURRENT_CONFIG = + NAT_INSTANCE_ID.child(NatCurrentConfig.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> mapEntryDumpMgr; + private final DumpCacheManager<SnatAddressDetailsReplyDump, Void> addressRangeDumpMgr; + + + @Inject + public NatReaderFactory(final FutureJVppSnatFacade jvppSnat, + final MappingEntryContext mappingEntryContext) { + this.mappingEntryContext = mappingEntryContext; + this.mapEntryDumpMgr = + new DumpCacheManager.DumpCacheManagerBuilder<SnatStaticMappingDetailsReplyDump, Void>() + .withExecutor(new MappingEntryCustomizer.MappingEntryDumpExecutor(jvppSnat)) + .build(); + + this.addressRangeDumpMgr = + new DumpCacheManager.DumpCacheManagerBuilder<SnatAddressDetailsReplyDump, Void>() + .withExecutor(new ExternalIpPoolCustomizer.AddressRangeDumpExecutor(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 GenericInitListReader<>(NAT_INSTANCE_ID, new NatInstanceCustomizer(mapEntryDumpMgr))); + 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 GenericInitListReader<>(MAP_ENTRY_ID, + new MappingEntryCustomizer(mapEntryDumpMgr, mappingEntryContext))); + + registry.addStructuralReader(CURRENT_CONFIG, NatCurrentConfigBuilder.class); + registry.add(new GenericInitListReader<>(CURRENT_CONFIG.child(ExternalIpAddressPool.class), + new ExternalIpPoolCustomizer(addressRangeDumpMgr))); + } +} diff --git a/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/read/ifc/AbstractInterfaceNatCustomizer.java b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/read/ifc/AbstractInterfaceNatCustomizer.java new file mode 100644 index 000000000..d6cc2b144 --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/read/ifc/AbstractInterfaceNatCustomizer.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.hc2vpp.nat.read.ifc; + +import com.google.common.base.Optional; +import io.fd.honeycomb.translate.read.ReadContext; +import io.fd.honeycomb.translate.read.ReadFailedException; +import io.fd.honeycomb.translate.spi.read.InitializingReaderCustomizer; +import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager; +import io.fd.hc2vpp.common.translate.util.NamingContext; +import io.fd.vpp.jvpp.snat.dto.SnatInterfaceDetails; +import io.fd.vpp.jvpp.snat.dto.SnatInterfaceDetailsReplyDump; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface; +import org.opendaylight.yangtools.concepts.Builder; +import org.opendaylight.yangtools.yang.binding.DataObject; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.slf4j.Logger; + +abstract class AbstractInterfaceNatCustomizer<C extends DataObject, B extends Builder<C>> + implements InitializingReaderCustomizer<C, B> { + + private final DumpCacheManager<SnatInterfaceDetailsReplyDump, Void> dumpMgr; + private final NamingContext ifcContext; + + AbstractInterfaceNatCustomizer(@Nonnull final DumpCacheManager<SnatInterfaceDetailsReplyDump, Void> dumpMgr, + @Nonnull final NamingContext ifcContext) { + this.dumpMgr = dumpMgr; + this.ifcContext = ifcContext; + } + + @Override + public void readCurrentAttributes(@Nonnull final InstanceIdentifier<C> id, + @Nonnull final B builder, + @Nonnull final ReadContext ctx) throws ReadFailedException { + // NOOP + } + + @Override + public boolean isPresent(final InstanceIdentifier<C> id, final C built, final ReadContext ctx) throws ReadFailedException { + final String ifcName = id.firstKeyOf(Interface.class).getName(); + getLog().debug("Reading NAT features on interface: {}", ifcName); + final int index = ifcContext.getIndex(ifcName, ctx.getMappingContext()); + + // Cache dump for each interface under the same key since this is all ifc dump + final Optional<SnatInterfaceDetailsReplyDump> dump = + dumpMgr.getDump(id, ctx.getModificationCache(), null); + + // Find entries for current ifc and if is marked as inside set the builder to return presence container + return dump.or(new SnatInterfaceDetailsReplyDump()).snatInterfaceDetails.stream() + .filter(snatIfcDetail -> snatIfcDetail.swIfIndex == index) + .filter(this::isExpectedNatType) + .findFirst() + .isPresent(); + // Not setting data, just marking the builder to propagate empty container to indicate presence + } + + protected abstract Logger getLog(); + + abstract boolean isExpectedNatType(final SnatInterfaceDetails snatInterfaceDetails); +} diff --git a/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/read/ifc/IfcNatReaderFactory.java b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/read/ifc/IfcNatReaderFactory.java new file mode 100644 index 000000000..87a70f707 --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/read/ifc/IfcNatReaderFactory.java @@ -0,0 +1,96 @@ +/* + * 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.hc2vpp.nat.read.ifc; + + +import com.google.inject.Inject; +import com.google.inject.name.Named; +import io.fd.honeycomb.translate.impl.read.GenericInitReader; +import io.fd.honeycomb.translate.read.ReadFailedException; +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.honeycomb.translate.util.read.cache.EntityDumpExecutor; +import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer; +import io.fd.hc2vpp.common.translate.util.NamingContext; +import io.fd.vpp.jvpp.snat.dto.SnatInterfaceDetailsReplyDump; +import io.fd.vpp.jvpp.snat.dto.SnatInterfaceDump; +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.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); + + private final DumpCacheManager<SnatInterfaceDetailsReplyDump, Void> snatIfcDumpMgr; + private final NamingContext ifcContext; + + @Inject + public IfcNatReaderFactory(final FutureJVppSnatFacade jvppSnat, + @Named("interface-context") final NamingContext ifcContext) { + this.snatIfcDumpMgr = new DumpCacheManager.DumpCacheManagerBuilder<SnatInterfaceDetailsReplyDump, Void>() + .withExecutor(new SnatInterfaceExecutor(jvppSnat)) + .build(); + this.ifcContext = ifcContext; + } + + @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 GenericInitReader<>(NAT_AUG_CONTAINER_ID.child(Inbound.class), + new InterfaceInboundNatCustomizer(snatIfcDumpMgr, ifcContext)), IFC_ID); + registry.addAfter(new GenericInitReader<>(NAT_AUG_CONTAINER_ID.child(Outbound.class), + new InterfaceOutboundNatCustomizer(snatIfcDumpMgr, ifcContext)), IFC_ID); + } + + private static final class SnatInterfaceExecutor implements + EntityDumpExecutor<SnatInterfaceDetailsReplyDump, Void>, + JvppReplyConsumer { + + private final FutureJVppSnatFacade jvppSnat; + + SnatInterfaceExecutor(final FutureJVppSnatFacade jvppSnat) { + this.jvppSnat = jvppSnat; + } + + @Nonnull + @Override + public SnatInterfaceDetailsReplyDump executeDump(final InstanceIdentifier<?> identifier, final Void params) + throws ReadFailedException { + return getReplyForRead( + jvppSnat.snatInterfaceDump(new SnatInterfaceDump()).toCompletableFuture(), identifier); + } + } +} diff --git a/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/read/ifc/InterfaceInboundNatCustomizer.java b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/read/ifc/InterfaceInboundNatCustomizer.java new file mode 100644 index 000000000..ea3d05fd5 --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/read/ifc/InterfaceInboundNatCustomizer.java @@ -0,0 +1,95 @@ +/* + * 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.hc2vpp.nat.read.ifc; + +import io.fd.honeycomb.translate.read.ReadContext; +import io.fd.honeycomb.translate.read.ReadFailedException; +import io.fd.honeycomb.translate.spi.read.Initialized; +import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager; +import io.fd.hc2vpp.common.translate.util.NamingContext; +import io.fd.vpp.jvpp.snat.dto.SnatInterfaceDetails; +import io.fd.vpp.jvpp.snat.dto.SnatInterfaceDetailsReplyDump; +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.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey; +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.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; + +final class InterfaceInboundNatCustomizer extends AbstractInterfaceNatCustomizer<Inbound, InboundBuilder> { + + private static final Logger LOG = LoggerFactory.getLogger(InterfaceInboundNatCustomizer.class); + + InterfaceInboundNatCustomizer( + @Nonnull final DumpCacheManager<SnatInterfaceDetailsReplyDump, Void> dumpMgr, + @Nonnull final NamingContext ifcContext) { + super(dumpMgr, ifcContext); + } + + @Override + protected Logger getLog() { + return LOG; + } + + @Override + public void readCurrentAttributes(@Nonnull final InstanceIdentifier<Inbound> id, + @Nonnull final InboundBuilder builder, @Nonnull final ReadContext ctx) + throws ReadFailedException { + super.readCurrentAttributes(id, builder, ctx); + } + + @Override + boolean isExpectedNatType(final SnatInterfaceDetails snatInterfaceDetails) { + return snatInterfaceDetails.isInside == 1; + } + + @Nonnull + @Override + public InboundBuilder getBuilder(@Nonnull final InstanceIdentifier<Inbound> id) { + // Return not present value by default + return new InboundBuilder(); + } + + @Override + public void merge(@Nonnull final Builder<? extends DataObject> parentBuilder, @Nonnull final Inbound readValue) { + ((NatBuilder) parentBuilder).setInbound(readValue); + } + + @Nonnull + @Override + public Initialized<? extends DataObject> init(@Nonnull final InstanceIdentifier<Inbound> id, + @Nonnull final Inbound readValue, + @Nonnull final ReadContext ctx) { + final InstanceIdentifier<Inbound> cfgId = + InstanceIdentifier.create(Interfaces.class) + .child(Interface.class, + new InterfaceKey(id.firstKeyOf( + org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.class).getName())) + .augmentation(NatInterfaceAugmentation.class) + .child(Nat.class) + .child(Inbound.class); + return Initialized.create(cfgId, readValue); + } +} diff --git a/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/read/ifc/InterfaceOutboundNatCustomizer.java b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/read/ifc/InterfaceOutboundNatCustomizer.java new file mode 100644 index 000000000..c4974b9fb --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/read/ifc/InterfaceOutboundNatCustomizer.java @@ -0,0 +1,86 @@ +/* + * 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.hc2vpp.nat.read.ifc; + +import io.fd.honeycomb.translate.read.ReadContext; +import io.fd.honeycomb.translate.spi.read.Initialized; +import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager; +import io.fd.hc2vpp.common.translate.util.NamingContext; +import io.fd.vpp.jvpp.snat.dto.SnatInterfaceDetails; +import io.fd.vpp.jvpp.snat.dto.SnatInterfaceDetailsReplyDump; +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.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey; +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.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; + +final class InterfaceOutboundNatCustomizer extends AbstractInterfaceNatCustomizer<Outbound, OutboundBuilder> { + + private static final Logger LOG = LoggerFactory.getLogger(InterfaceOutboundNatCustomizer.class); + + InterfaceOutboundNatCustomizer( + @Nonnull final DumpCacheManager<SnatInterfaceDetailsReplyDump, Void> dumpMgr, + @Nonnull final NamingContext ifcContext) { + super(dumpMgr, ifcContext); + } + + @Override + protected Logger getLog() { + return LOG; + } + + @Override + boolean isExpectedNatType(final SnatInterfaceDetails snatInterfaceDetails) { + return snatInterfaceDetails.isInside == 0; + } + + @Nonnull + @Override + public OutboundBuilder getBuilder(@Nonnull final InstanceIdentifier<Outbound> id) { + return new OutboundBuilder(); + } + + @Override + public void merge(@Nonnull final Builder<? extends DataObject> parentBuilder, @Nonnull final Outbound readValue) { + ((NatBuilder) parentBuilder).setOutbound(readValue); + } + + @Nonnull + @Override + public Initialized<? extends DataObject> init(@Nonnull final InstanceIdentifier<Outbound> id, + @Nonnull final Outbound readValue, + @Nonnull final ReadContext ctx) { + final InstanceIdentifier<Outbound> cfgId = + InstanceIdentifier.create(Interfaces.class) + .child(Interface.class, + new InterfaceKey(id.firstKeyOf( + org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.class).getName())) + .augmentation(NatInterfaceAugmentation.class) + .child(Nat.class) + .child(Outbound.class); + return Initialized.create(cfgId, readValue); + } +} diff --git a/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/util/MappingEntryContext.java b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/util/MappingEntryContext.java new file mode 100644 index 000000000..6db8d468c --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/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.hc2vpp.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.hc2vpp.common.translate.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/hc2vpp/nat/write/ExternalIpPoolCustomizer.java b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/write/ExternalIpPoolCustomizer.java new file mode 100644 index 000000000..505318c22 --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/write/ExternalIpPoolCustomizer.java @@ -0,0 +1,92 @@ +/* + * 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.hc2vpp.nat.write; + +import static com.google.common.base.Preconditions.checkArgument; + +import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer; +import io.fd.hc2vpp.common.translate.util.Ipv4AddressRange; +import io.fd.hc2vpp.common.translate.util.Ipv4Translator; +import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer; +import io.fd.honeycomb.translate.write.WriteContext; +import io.fd.honeycomb.translate.write.WriteFailedException; +import io.fd.vpp.jvpp.snat.dto.SnatAddAddressRange; +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.inet.types.rev130715.Ipv4Prefix; +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.parameters.ExternalIpAddressPool; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.parameters.ExternalIpAddressPoolKey; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +final class ExternalIpPoolCustomizer implements ListWriterCustomizer<ExternalIpAddressPool, ExternalIpAddressPoolKey>, + JvppReplyConsumer, Ipv4Translator { + + private static final Logger LOG = LoggerFactory.getLogger(ExternalIpPoolCustomizer.class); + + private final FutureJVppSnatFacade jvppSnat; + + ExternalIpPoolCustomizer(@Nonnull final FutureJVppSnatFacade jvppSnat) { + this.jvppSnat = jvppSnat; + } + + @Override + public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<ExternalIpAddressPool> id, + @Nonnull final ExternalIpAddressPool dataAfter, + @Nonnull final WriteContext writeContext) throws WriteFailedException { + checkArgument(id.firstKeyOf(NatInstance.class).getId() == 0, + "External IP pools are only assignable for nat instance(vrf-id) with ID 0"); + LOG.trace("Adding address range:{}, as: {}", id, dataAfter); + // TODO check overlaps ? VPP-478 maybe no necessary, depending on how VPP handles them + getReplyForCreate(jvppSnat.snatAddAddressRange( + getRequest(dataAfter.getExternalIpPool(), true)).toCompletableFuture(), id, dataAfter); + LOG.debug("Address range: {} added successfully", id); + } + + @Override + public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<ExternalIpAddressPool> id, + @Nonnull final ExternalIpAddressPool dataBefore, + @Nonnull final ExternalIpAddressPool dataAfter, + @Nonnull final WriteContext writeContext) throws WriteFailedException { + throw new WriteFailedException.UpdateFailedException(id, dataBefore, dataAfter, + new UnsupportedOperationException("Address range update is not supported")); + } + + @Override + public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<ExternalIpAddressPool> id, + @Nonnull final ExternalIpAddressPool dataBefore, + @Nonnull final WriteContext writeContext) throws WriteFailedException { + LOG.trace("Deleting address range:{}, as: {}", id, dataBefore); + getReplyForDelete(jvppSnat.snatAddAddressRange( + getRequest(dataBefore.getExternalIpPool(), false)).toCompletableFuture(), id); + LOG.debug("Deleting range: {} added successfully", id); + } + + private SnatAddAddressRange getRequest(final Ipv4Prefix externalIpPool, boolean isAdd) { + SnatAddAddressRange request = new SnatAddAddressRange(); + // SNAT supports only IPv4 now, so does the model + final Ipv4AddressRange range = Ipv4AddressRange.fromPrefix(externalIpPool); + LOG.trace("Handling address range: {}", range); + request.isIp4 = 1; + request.isAdd = (byte) (isAdd ? 1 : 0); + request.firstIpAddress = ipv4AddressNoZoneToArray(range.getStart()); + request.lastIpAddress = ipv4AddressNoZoneToArray(range.getEnd()); + return request; + } +} diff --git a/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/write/MappingEntryCustomizer.java b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/write/MappingEntryCustomizer.java new file mode 100644 index 000000000..c5417d925 --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/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.hc2vpp.nat.write; + +import static com.google.common.base.Preconditions.checkArgument; + +import com.google.common.base.Optional; +import io.fd.hc2vpp.nat.util.MappingEntryContext; +import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer; +import io.fd.hc2vpp.common.translate.util.Ipv4Translator; +import io.fd.hc2vpp.common.translate.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/hc2vpp/nat/write/NatInstaceCustomizer.java b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/write/NatInstaceCustomizer.java new file mode 100644 index 000000000..5d1c2b53c --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/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.hc2vpp.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/hc2vpp/nat/write/NatWriterFactory.java b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/write/NatWriterFactory.java new file mode 100644 index 000000000..e239721d4 --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/write/NatWriterFactory.java @@ -0,0 +1,73 @@ +/* + * 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.hc2vpp.nat.write; + +import com.google.common.collect.Sets; +import com.google.inject.Inject; +import io.fd.hc2vpp.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.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.parameters.ExternalIpAddressPool; +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))); + + // External address pool has to be executed before mapping entry. Because adding mapping entries requires to + // already have an IP range predefined ... in some cases + registry.addBefore(new GenericListWriter<>(NAT_INSTANCE_ID.child(ExternalIpAddressPool.class), + new ExternalIpPoolCustomizer(jvppSnat)), + MAP_ENTRY_ID); + } +} diff --git a/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/write/ifc/AbstractInterfaceNatCustomizer.java b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/write/ifc/AbstractInterfaceNatCustomizer.java new file mode 100644 index 000000000..6893f0b35 --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/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.hc2vpp.nat.write.ifc; + +import io.fd.honeycomb.translate.spi.write.WriterCustomizer; +import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer; +import io.fd.hc2vpp.common.translate.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/hc2vpp/nat/write/ifc/IfcNatWriterFactory.java b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/write/ifc/IfcNatWriterFactory.java new file mode 100644 index 000000000..5cb10b750 --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/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.hc2vpp.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.hc2vpp.common.translate.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/hc2vpp/nat/write/ifc/InterfaceInboundNatCustomizer.java b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/write/ifc/InterfaceInboundNatCustomizer.java new file mode 100644 index 000000000..3f7c90b57 --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/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.hc2vpp.nat.write.ifc; + +import io.fd.hc2vpp.common.translate.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/hc2vpp/nat/write/ifc/InterfaceOutboundNatCustomizer.java b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/write/ifc/InterfaceOutboundNatCustomizer.java new file mode 100644 index 000000000..970c38baa --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/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.hc2vpp.nat.write.ifc; + +import io.fd.hc2vpp.common.translate.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; + } +} |