From 175197da8ea43335df3daeba4c6296fcd83a057c Mon Sep 17 00:00:00 2001 From: Maros Marsalek Date: Thu, 10 Nov 2016 13:31:25 +0100 Subject: Post split cleanup - change groupIds - change packages - update poms Change-Id: I343c5a292a67de1dd50687870ca4ab5b7276e93e Signed-off-by: Maros Marsalek Signed-off-by: Marek Gradzki --- .../hc2vpp/nat/read/ExternalIpPoolCustomizer.java | 150 +++++++++++++++++++++ 1 file changed, 150 insertions(+) create mode 100644 nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/read/ExternalIpPoolCustomizer.java (limited to 'nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/read/ExternalIpPoolCustomizer.java') 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, + JvppReplyConsumer, Ipv4Translator { + + private static final Logger LOG = LoggerFactory.getLogger(ExternalIpPoolCustomizer.class); + + private final DumpCacheManager dumpMgr; + + ExternalIpPoolCustomizer(final DumpCacheManager dumpMgr) { + this.dumpMgr = dumpMgr; + } + + @Nonnull + @Override + public ExternalIpAddressPoolBuilder getBuilder(@Nonnull final InstanceIdentifier id) { + return new ExternalIpAddressPoolBuilder(); + } + + @Override + public void readCurrentAttributes(@Nonnull final InstanceIdentifier 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 getAllIds(@Nonnull final InstanceIdentifier 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 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 builder, + @Nonnull final List readData) { + ((NatCurrentConfigBuilder) builder).setExternalIpAddressPool(readData); + } + + @Override + public Initialized init( + @Nonnull final InstanceIdentifier id, + @Nonnull final ExternalIpAddressPool readValue, + @Nonnull final ReadContext ctx) { + return Initialized.create(getCfgId(id), readValue); + } + + static InstanceIdentifier getCfgId(final @Nonnull InstanceIdentifier id) { + return NatInstanceCustomizer.getCfgId(RWUtils.cutId(id, NatInstance.class)) + .child(ExternalIpAddressPool.class, id.firstKeyOf(ExternalIpAddressPool.class)); + } + + static final class AddressRangeDumpExecutor implements EntityDumpExecutor, + 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); + } + } +} -- cgit 1.2.3-korg