1 files changed, 160 insertions, 0 deletions
diff --git a/lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/read/NativeForwardPathsTableCustomizer.java b/lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/read/NativeForwardPathsTableCustomizer.java
new file mode 100644
index 000000000..055f38ae8
--- /dev/null
+++ b/lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/read/NativeForwardPathsTableCustomizer.java
@@ -0,0 +1,160 @@
+/*
+ * 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.lisp.gpe.translate.read;
+
+import static io.fd.honeycomb.translate.util.read.cache.EntityDumpExecutor.NO_PARAMS;
+
+import com.google.common.primitives.UnsignedInts;
+import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
+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.DumpCacheManager.DumpCacheManagerBuilder;
+import io.fd.vpp.jvpp.core.dto.Ip6FibDetailsReplyDump;
+import io.fd.vpp.jvpp.core.dto.Ip6FibDump;
+import io.fd.vpp.jvpp.core.dto.IpFibDetailsReplyDump;
+import io.fd.vpp.jvpp.core.dto.IpFibDump;
+import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import java.util.List;
+import java.util.OptionalLong;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518.NativeForwardPathsTables;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518.NativeForwardPathsTablesStateBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518._native.forward.paths.tables.state.NativeForwardPathsTable;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518._native.forward.paths.tables.state.NativeForwardPathsTableBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518._native.forward.paths.tables.state.NativeForwardPathsTableKey;
+import org.opendaylight.yangtools.concepts.Builder;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
+
+public class NativeForwardPathsTableCustomizer extends FutureJVppCustomizer implements
+        InitializingListReaderCustomizer<NativeForwardPathsTable, NativeForwardPathsTableKey, NativeForwardPathsTableBuilder>,
+        JvppReplyConsumer {
+
+    // no need to recreate, has no params
+    private static final IpFibDump REQUEST_V4 = new IpFibDump();
+    private static final Ip6FibDump REQUEST_V6 = new Ip6FibDump();
+    private static final IpFibDetailsReplyDump DEFAULT_REPLY_V4 = new IpFibDetailsReplyDump();
+    private static final Ip6FibDetailsReplyDump DEFAULT_REPLY_V6 = new Ip6FibDetailsReplyDump();
+    private DumpCacheManager<IpFibDetailsReplyDump, Void> dumpCacheManagerV4;
+    private DumpCacheManager<Ip6FibDetailsReplyDump, Void> dumpCacheManagerV6;
+
+    public NativeForwardPathsTableCustomizer(@Nonnull final FutureJVppCore futureJVppCore) {
+        super(futureJVppCore);
+
+        // there's no lisp specific dump for tables created by gpe_add_del_iface,
+        // so have to use standard fib dump
+        dumpCacheManagerV4 = new DumpCacheManagerBuilder<IpFibDetailsReplyDump, Void>()
+                .acceptOnly(IpFibDetailsReplyDump.class)
+                .withExecutor((identifier, params) -> getReplyForRead(
+                        getFutureJVpp().ipFibDump(REQUEST_V4).toCompletableFuture(),
+                        identifier)).build();
+
+        dumpCacheManagerV6 = new DumpCacheManagerBuilder<Ip6FibDetailsReplyDump, Void>()
+                .acceptOnly(Ip6FibDetailsReplyDump.class)
+                .withExecutor((identifier, params) -> getReplyForRead(
+                        getFutureJVpp().ip6FibDump(REQUEST_V6).toCompletableFuture(),
+                        identifier)).build();
+    }
+
+    @Nonnull
+    @Override
+    public Initialized<? extends DataObject> init(@Nonnull final InstanceIdentifier<NativeForwardPathsTable> id,
+                                                  @Nonnull final NativeForwardPathsTable readValue,
+                                                  @Nonnull final ReadContext ctx) {
+        final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518._native.forward.paths.tables.NativeForwardPathsTable
+                cfgValue =
+                new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518._native.forward.paths.tables.NativeForwardPathsTableBuilder()
+                        .setTableId(readValue.getTableId())
+                        .build();
+
+        final KeyedInstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518._native.forward.paths.tables.NativeForwardPathsTable, org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518._native.forward.paths.tables.NativeForwardPathsTableKey>
+                cfgKey = InstanceIdentifier.create(NativeForwardPathsTables.class)
+                .child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518._native.forward.paths.tables.NativeForwardPathsTable.class,
+                        new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170518._native.forward.paths.tables.NativeForwardPathsTableKey(
+                                cfgValue.getKey()));
+
+        return Initialized.create(cfgKey, cfgValue);
+    }
+
+    @Nonnull
+    @Override
+    public List<NativeForwardPathsTableKey> getAllIds(@Nonnull final InstanceIdentifier<NativeForwardPathsTable> id,
+                                                      @Nonnull final ReadContext context) throws ReadFailedException {
+
+        return Stream.concat(v4FibsStream(id, context), v6FibsStream(id, context))
+                .mapToLong(UnsignedInts::toLong)
+                .distinct()
+                .mapToObj(NativeForwardPathsTableKey::new)
+                .collect(Collectors.toList());
+    }
+
+
+    @Override
+    public void merge(@Nonnull final Builder<? extends DataObject> builder,
+                      @Nonnull final List<NativeForwardPathsTable> readData) {
+        ((NativeForwardPathsTablesStateBuilder) builder).setNativeForwardPathsTable(readData);
+    }
+
+    @Nonnull
+    @Override
+    public NativeForwardPathsTableBuilder getBuilder(@Nonnull final InstanceIdentifier<NativeForwardPathsTable> id) {
+        return new NativeForwardPathsTableBuilder();
+    }
+
+    @Override
+    public void readCurrentAttributes(@Nonnull final InstanceIdentifier<NativeForwardPathsTable> id,
+                                      @Nonnull final NativeForwardPathsTableBuilder builder,
+                                      @Nonnull final ReadContext ctx)
+            throws ReadFailedException {
+        final Long tableId = id.firstKeyOf(NativeForwardPathsTable.class).getTableId();
+
+        final OptionalLong optionalTable = Stream.concat(v4FibsStream(id, ctx), v6FibsStream(id, ctx))
+                .mapToLong(UnsignedInts::toLong)
+                .distinct()
+                .filter(tblId -> tblId == tableId)
+                .findAny();
+
+        if (optionalTable.isPresent()) {
+            final long existingTableId = optionalTable.getAsLong();
+            builder.setTableId(existingTableId);
+            builder.setKey(new NativeForwardPathsTableKey(existingTableId));
+        }
+    }
+
+    private Stream<Integer> v4FibsStream(final InstanceIdentifier<NativeForwardPathsTable> id,
+                                         final ReadContext ctx) throws ReadFailedException {
+
+        return dumpCacheManagerV4.getDump(id, ctx.getModificationCache(), NO_PARAMS).or(DEFAULT_REPLY_V4)
+                .ipFibDetails.stream()
+                .map(ipFibDetails -> ipFibDetails.tableId);
+    }
+
+    private Stream<Integer> v6FibsStream(final InstanceIdentifier<NativeForwardPathsTable> id,
+                                         final ReadContext ctx) throws ReadFailedException {
+
+        return dumpCacheManagerV6.getDump(id, ctx.getModificationCache(), NO_PARAMS).or(DEFAULT_REPLY_V6)
+                .ip6FibDetails.stream()
+                .map(ip6FibDetails -> ip6FibDetails.tableId);
+    }
+}