1 files changed, 119 insertions, 0 deletions
diff --git a/fib-management/fib-management-impl/src/main/java/io/fd/hc2vpp/fib/management/read/FibTableCustomizer.java b/fib-management/fib-management-impl/src/main/java/io/fd/hc2vpp/fib/management/read/FibTableCustomizer.java
new file mode 100644
index 000000000..0151a1548
--- /dev/null
+++ b/fib-management/fib-management-impl/src/main/java/io/fd/hc2vpp/fib/management/read/FibTableCustomizer.java
@@ -0,0 +1,119 @@
+/*
+ * Copyright (c) 2018 Bell Canada, Pantheon Technologies 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.fib.management.read;
+
+import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
+import io.fd.honeycomb.translate.read.ReadContext;
+import io.fd.honeycomb.translate.read.ReadFailedException;
+import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer;
+import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
+import io.fd.vpp.jvpp.core.dto.Ip6FibDetailsReplyDump;
+import io.fd.vpp.jvpp.core.dto.IpFibDetailsReplyDump;
+import java.util.List;
+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.vpp.fib.table.management.rev180521.AddressFamilyIdentity;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.fib.table.management.rev180521.Ipv4;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.fib.table.management.rev180521.Ipv6;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.fib.table.management.rev180521.VniReference;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.fib.table.management.rev180521.vpp.fib.table.management.FibTablesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.fib.table.management.rev180521.vpp.fib.table.management.fib.tables.Table;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.fib.table.management.rev180521.vpp.fib.table.management.fib.tables.TableBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.fib.table.management.rev180521.vpp.fib.table.management.fib.tables.TableKey;
+import org.opendaylight.yangtools.concepts.Builder;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+class FibTableCustomizer implements ListReaderCustomizer<Table, TableKey, TableBuilder>, ByteDataTranslator {
+    private final DumpCacheManager<IpFibDetailsReplyDump, Void> ipv4DumpManager;
+    private final DumpCacheManager<Ip6FibDetailsReplyDump, Void> ipv6DumpManager;
+
+    FibTableCustomizer(final DumpCacheManager<IpFibDetailsReplyDump, Void> ipv4DumpManager,
+                       final DumpCacheManager<Ip6FibDetailsReplyDump, Void> ipv6DumpManager) {
+
+        this.ipv4DumpManager = ipv4DumpManager;
+        this.ipv6DumpManager = ipv6DumpManager;
+    }
+
+    @Nonnull
+    @Override
+    public List<TableKey> getAllIds(@Nonnull final InstanceIdentifier<Table> instanceIdentifier,
+                                    @Nonnull final ReadContext readContext) throws ReadFailedException {
+        return Stream.concat(ipv4DumpManager.getDump(instanceIdentifier, readContext.getModificationCache())
+                        .or(new IpFibDetailsReplyDump())
+                        .ipFibDetails.stream()
+                        .filter(ipFibDetails -> ipFibDetails.tableId >= 0)
+                        .map(ipFibDetails -> new TableKey(Ipv4.class, new VniReference((long) ipFibDetails.tableId)))
+                        .distinct(),
+                ipv6DumpManager.getDump(instanceIdentifier, readContext.getModificationCache())
+                        .or(new Ip6FibDetailsReplyDump())
+                        .ip6FibDetails.stream()
+                        .filter(ip6FibDetails -> ip6FibDetails.tableId >= 0)
+                        .map(ipFibDetails -> new TableKey(Ipv6.class, new VniReference((long) ipFibDetails.tableId))))
+                .distinct()
+                .collect(Collectors.toList());
+    }
+
+    @Override
+    public void merge(@Nonnull final Builder<? extends DataObject> builder, @Nonnull final List<Table> list) {
+        ((FibTablesBuilder) builder).setTable(list);
+    }
+
+    @Nonnull
+    @Override
+    public TableBuilder getBuilder(@Nonnull final InstanceIdentifier<Table> instanceIdentifier) {
+        return new TableBuilder();
+    }
+
+    @Override
+    public void readCurrentAttributes(@Nonnull final InstanceIdentifier<Table> instanceIdentifier,
+                                      @Nonnull final TableBuilder builder, @Nonnull final ReadContext readContext)
+            throws ReadFailedException {
+        TableKey tableKey = instanceIdentifier.firstKeyOf(Table.class);
+
+        if (tableKey.getAddressFamily().equals(Ipv4.class)) {
+            ipv4DumpManager.getDump(instanceIdentifier, readContext.getModificationCache())
+                    .or(new IpFibDetailsReplyDump())
+                    .ipFibDetails.stream()
+                    .filter(ipFibDetails -> ipFibDetails.tableId == tableKey.getTableId().getValue().intValue())
+                    .findFirst().ifPresent(
+                    ipFibDetails -> parseFibDetails(ipFibDetails.tableId, ipFibDetails.tableName, Ipv4.class, builder));
+
+        } else {
+            ipv6DumpManager.getDump(instanceIdentifier, readContext.getModificationCache())
+                    .or(new Ip6FibDetailsReplyDump())
+                    .ip6FibDetails.stream()
+                    .filter(ipFibDetails -> ipFibDetails.tableId == tableKey.getTableId().getValue().intValue())
+                    .findFirst().ifPresent(
+                    ipFibDetails -> parseFibDetails(ipFibDetails.tableId, ipFibDetails.tableName, Ipv6.class, builder));
+        }
+    }
+
+    private void parseFibDetails(final Integer tableId, final byte[] tableName,
+                                 final Class<? extends AddressFamilyIdentity> addressFamily,
+                                 final TableBuilder builder) {
+        builder.setAddressFamily(addressFamily)
+                .setTableId(new VniReference(Integer.toUnsignedLong(tableId)));
+
+        if (tableName != null) {
+            // table name is optional
+            builder.setName(toString(tableName));
+        }
+    }
+}