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/*
* 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.Initialized;
import io.fd.honeycomb.translate.spi.read.InitializingListReaderCustomizer;
import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
import io.fd.jvpp.core.dto.Ip6FibDetailsReplyDump;
import io.fd.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.http.fd.io.hc2vpp.yang.vpp.fib.table.management.rev180521.AddressFamilyIdentity;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.fib.table.management.rev180521.Ipv4;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.fib.table.management.rev180521.Ipv6;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.fib.table.management.rev180521.VniReference;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.fib.table.management.rev180521.vpp.fib.table.management.FibTablesBuilder;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.fib.table.management.rev180521.vpp.fib.table.management.fib.tables.Table;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.fib.table.management.rev180521.vpp.fib.table.management.fib.tables.TableBuilder;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.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 InitializingListReaderCustomizer<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));
}
}
@Nonnull
@Override
public Initialized<Table> init(@Nonnull final InstanceIdentifier<Table> id,
@Nonnull final Table readValue,
@Nonnull final ReadContext ctx) {
return Initialized.create(id, readValue);
}
}
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