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authorMarek Gradzki <mgradzki@cisco.com>2017-02-27 09:54:18 +0100
committerMarek Gradzki <mgradzki@cisco.com>2017-02-27 12:07:31 +0100
commit691dfba001163ebad7d43f287bf9e6ffe6bf451d (patch)
tree1b6757c3b79742f7e8c9542d0db7b82623dc6ba8 /dhcp/dhcp-impl/src/main/java
parent06e02d8840109eaa8a97946529a37003dd9e6059 (diff)
HC2VPP-85: DHCP relay initializing reader
Change-Id: Iab91aab6103b9d837a5a0c73e2836807f24d1f14 Signed-off-by: Marek Gradzki <mgradzki@cisco.com>
Diffstat (limited to 'dhcp/dhcp-impl/src/main/java')
-rw-r--r--dhcp/dhcp-impl/src/main/java/io/fd/hc2vpp/dhcp/DhcpModule.java7
-rw-r--r--dhcp/dhcp-impl/src/main/java/io/fd/hc2vpp/dhcp/read/DhcpReaderFactory.java50
-rw-r--r--dhcp/dhcp-impl/src/main/java/io/fd/hc2vpp/dhcp/read/DhcpRelayCustomizer.java159
3 files changed, 215 insertions, 1 deletions
diff --git a/dhcp/dhcp-impl/src/main/java/io/fd/hc2vpp/dhcp/DhcpModule.java b/dhcp/dhcp-impl/src/main/java/io/fd/hc2vpp/dhcp/DhcpModule.java
index 09514df9b..7063d0b4e 100644
--- a/dhcp/dhcp-impl/src/main/java/io/fd/hc2vpp/dhcp/DhcpModule.java
+++ b/dhcp/dhcp-impl/src/main/java/io/fd/hc2vpp/dhcp/DhcpModule.java
@@ -18,7 +18,9 @@ package io.fd.hc2vpp.dhcp;
import com.google.inject.AbstractModule;
import com.google.inject.multibindings.Multibinder;
+import io.fd.hc2vpp.dhcp.read.DhcpReaderFactory;
import io.fd.hc2vpp.dhcp.write.DhcpWriterFactory;
+import io.fd.honeycomb.translate.read.ReaderFactory;
import io.fd.honeycomb.translate.write.WriterFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -35,10 +37,13 @@ public final class DhcpModule extends AbstractModule {
LOG.info("Installing DHCP module");
LOG.info("Injecting writers factories");
- // create writer factory binding
final Multibinder<WriterFactory> writerFactoryBinder = Multibinder.newSetBinder(binder(), WriterFactory.class);
writerFactoryBinder.addBinding().to(DhcpWriterFactory.class);
+ LOG.info("Injecting readers factories");
+ final Multibinder<ReaderFactory> readerFactoryBinder = Multibinder.newSetBinder(binder(), ReaderFactory.class);
+ readerFactoryBinder.addBinding().to(DhcpReaderFactory.class);
+
LOG.info("Module DHCP successfully configured");
}
}
diff --git a/dhcp/dhcp-impl/src/main/java/io/fd/hc2vpp/dhcp/read/DhcpReaderFactory.java b/dhcp/dhcp-impl/src/main/java/io/fd/hc2vpp/dhcp/read/DhcpReaderFactory.java
new file mode 100644
index 000000000..db719061b
--- /dev/null
+++ b/dhcp/dhcp-impl/src/main/java/io/fd/hc2vpp/dhcp/read/DhcpReaderFactory.java
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2017 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.dhcp.read;
+
+import com.google.inject.Inject;
+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.vpp.jvpp.core.future.FutureJVppCore;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.Dhcp;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.DhcpBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.dhcp.attributes.Relays;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.dhcp.attributes.RelaysBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.dhcp.attributes.relays.Relay;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+/**
+ * Factory producing writers for DHCP plugin's data.
+ */
+public final class DhcpReaderFactory implements ReaderFactory {
+
+ private static final InstanceIdentifier<Dhcp> DHCP_ID = InstanceIdentifier.create(Dhcp.class);
+ private static final InstanceIdentifier<Relays> RELAYS_ID = DHCP_ID.child(Relays.class);
+ private static final InstanceIdentifier<Relay> RELAY_ID = RELAYS_ID.child(Relay.class);
+
+ @Inject
+ private FutureJVppCore vppApi;
+
+ @Override
+ public void init(@Nonnull final ModifiableReaderRegistryBuilder registry) {
+ registry.addStructuralReader(DHCP_ID, DhcpBuilder.class);
+ registry.addStructuralReader(RELAYS_ID, RelaysBuilder.class);
+ registry.add(new GenericInitListReader<>(RELAY_ID, new io.fd.hc2vpp.dhcp.read.DhcpRelayCustomizer(vppApi)));
+ }
+}
diff --git a/dhcp/dhcp-impl/src/main/java/io/fd/hc2vpp/dhcp/read/DhcpRelayCustomizer.java b/dhcp/dhcp-impl/src/main/java/io/fd/hc2vpp/dhcp/read/DhcpRelayCustomizer.java
new file mode 100644
index 000000000..db7e7141c
--- /dev/null
+++ b/dhcp/dhcp-impl/src/main/java/io/fd/hc2vpp/dhcp/read/DhcpRelayCustomizer.java
@@ -0,0 +1,159 @@
+/*
+ * Copyright (c) 2017 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.dhcp.read;
+
+import static io.fd.honeycomb.translate.util.read.cache.EntityDumpExecutor.NO_PARAMS;
+
+import com.google.common.base.Optional;
+import com.google.common.primitives.UnsignedInts;
+import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
+import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
+import io.fd.hc2vpp.common.translate.util.Ipv4Translator;
+import io.fd.hc2vpp.common.translate.util.Ipv6Translator;
+import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
+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.honeycomb.translate.util.read.cache.EntityDumpExecutor;
+import io.fd.vpp.jvpp.core.dto.DhcpProxyDetails;
+import io.fd.vpp.jvpp.core.dto.DhcpProxyDetailsReplyDump;
+import io.fd.vpp.jvpp.core.dto.DhcpProxyDump;
+import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import java.util.Collections;
+import java.util.List;
+import java.util.concurrent.CompletionStage;
+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.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.Ipv4;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.Ipv6;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.dhcp.attributes.RelaysBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.dhcp.attributes.relays.Relay;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.dhcp.attributes.relays.RelayBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.dhcp.attributes.relays.RelayKey;
+import org.opendaylight.yangtools.concepts.Builder;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+final class DhcpRelayCustomizer extends FutureJVppCustomizer
+ implements InitializingListReaderCustomizer<Relay, RelayKey, RelayBuilder>,
+ JvppReplyConsumer, ByteDataTranslator, Ipv6Translator, Ipv4Translator {
+
+ private final DumpCacheManager<DhcpProxyDetailsReplyDump, Void> dumpManager;
+
+ DhcpRelayCustomizer(final FutureJVppCore vppApi) {
+ super(vppApi);
+ dumpManager = new DumpCacheManager.DumpCacheManagerBuilder<DhcpProxyDetailsReplyDump, Void>()
+ .withExecutor(executor())
+ .acceptOnly(DhcpProxyDetailsReplyDump.class)
+ .build();
+ }
+
+ private EntityDumpExecutor<DhcpProxyDetailsReplyDump, Void> executor() {
+ return (id, param) -> {
+ DhcpProxyDump request = new DhcpProxyDump();
+ request.isIp6 = 1;
+
+ final CompletionStage<DhcpProxyDetailsReplyDump> result = getFutureJVpp().dhcpProxyDump(new DhcpProxyDump())
+ .thenCombine(getFutureJVpp().dhcpProxyDump(request),
+ (ip4, ip6) -> {
+ ip4.dhcpProxyDetails.addAll(ip6.dhcpProxyDetails);
+ return ip4;
+ });
+ return getReplyForRead(result.toCompletableFuture(), id);
+ };
+ }
+
+ @Nonnull
+ @Override
+ public List<RelayKey> getAllIds(@Nonnull final InstanceIdentifier<Relay> id, @Nonnull final ReadContext context)
+ throws ReadFailedException {
+ Collections.emptyList();
+
+ final Optional<DhcpProxyDetailsReplyDump> dump =
+ dumpManager.getDump(id, context.getModificationCache(), NO_PARAMS);
+
+ if (!dump.isPresent() || dump.get().dhcpProxyDetails.isEmpty()) {
+ return Collections.emptyList();
+ }
+
+ return dump.get().dhcpProxyDetails.stream().map(detail -> new RelayKey(detail.isIpv6 == 1
+ ? Ipv6.class
+ : Ipv4.class,
+ UnsignedInts.toLong(detail.rxVrfId))).collect(Collectors.toList());
+ }
+
+ @Override
+ public void merge(@Nonnull final Builder<? extends DataObject> builder, @Nonnull final List<Relay> readData) {
+ ((RelaysBuilder) builder).setRelay(readData);
+ }
+
+ @Nonnull
+ @Override
+ public RelayBuilder getBuilder(@Nonnull final InstanceIdentifier<Relay> id) {
+ return new RelayBuilder();
+ }
+
+ @Override
+ public void readCurrentAttributes(@Nonnull final InstanceIdentifier<Relay> id, @Nonnull final RelayBuilder builder,
+ @Nonnull final ReadContext ctx) throws ReadFailedException {
+ final Optional<DhcpProxyDetailsReplyDump> dump =
+ dumpManager.getDump(id, ctx.getModificationCache(), NO_PARAMS);
+
+ if (!dump.isPresent() || dump.get().dhcpProxyDetails.isEmpty()) {
+ return;
+ }
+
+ final RelayKey key = id.firstKeyOf(Relay.class);
+
+ final byte isIpv6 = (byte) (Ipv6.class == key.getAddressType()
+ ? 1
+ : 0);
+ final int rxVrfId = key.getRxVrfId().intValue();
+
+ final java.util.Optional<DhcpProxyDetails> result =
+ dump.get().dhcpProxyDetails.stream().filter(d -> d.isIpv6 == isIpv6 && d.rxVrfId == rxVrfId).findFirst();
+
+ if (result.isPresent()) {
+ final DhcpProxyDetails detail = result.get();
+ builder.setAddressType(key.getAddressType());
+ builder.setRxVrfId(key.getRxVrfId());
+ final boolean isIp6 = byteToBoolean(detail.isIpv6);
+ builder.setGatewayAddress(readAddress(detail.dhcpSrcAddress, isIp6));
+ builder.setServerAddress(readAddress(detail.dhcpServer, isIp6));
+ builder.setServerVrfId(UnsignedInts.toLong(detail.serverVrfId));
+ }
+ }
+
+ private IpAddress readAddress(final byte[] ip, final boolean isIp6) {
+ if (isIp6) {
+ return new IpAddress(arrayToIpv6AddressNoZone(ip));
+ } else {
+ return new IpAddress(arrayToIpv4AddressNoZone(ip));
+ }
+ }
+
+ @Nonnull
+ @Override
+ public Initialized<? extends DataObject> init(@Nonnull final InstanceIdentifier<Relay> id,
+ @Nonnull final Relay readValue,
+ @Nonnull final ReadContext ctx) {
+ return Initialized.create(id, readValue);
+ }
+}