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/*
* 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.honeycomb.translate.v3po.interfacesstate.ip;
import static com.google.common.base.Preconditions.checkNotNull;
import com.google.common.base.Optional;
import io.fd.honeycomb.translate.util.RWUtils;
import io.fd.honeycomb.translate.util.read.cache.EntityDumpExecutor;
import io.fd.honeycomb.translate.v3po.interfacesstate.ip.dump.params.AddressDumpParams;
import io.fd.honeycomb.translate.vpp.util.Ipv4Translator;
import io.fd.honeycomb.translate.vpp.util.JvppReplyConsumer;
import io.fd.vpp.jvpp.core.dto.IpAddressDump;
import io.fd.vpp.jvpp.core.future.FutureJVppCore;
import java.util.Collections;
import java.util.List;
import java.util.function.Function;
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.Ipv4AddressNoZone;
import org.opendaylight.yangtools.yang.binding.Identifier;
import io.fd.vpp.jvpp.core.dto.IpAddressDetails;
import io.fd.vpp.jvpp.core.dto.IpAddressDetailsReplyDump;
/**
* Utility class providing Ipv4 read support.
*/
interface Ipv4Reader extends Ipv4Translator, JvppReplyConsumer {
@Nonnull
default <T extends Identifier> List<T> getAllIpv4AddressIds(
final Optional<IpAddressDetailsReplyDump> dumpOptional,
@Nonnull final Function<Ipv4AddressNoZone, T> keyConstructor) {
if (dumpOptional.isPresent() && dumpOptional.get().ipAddressDetails != null) {
return dumpOptional.get().ipAddressDetails.stream()
.map(detail -> keyConstructor.apply(arrayToIpv4AddressNoZone(detail.ip)))
.collect(Collectors.toList());
} else {
return Collections.emptyList();
}
}
default Optional<IpAddressDetails> findIpAddressDetailsByIp(
final Optional<IpAddressDetailsReplyDump> dump,
@Nonnull final Ipv4AddressNoZone ip) {
checkNotNull(ip, "ip address should not be null");
if (dump.isPresent() && dump.get().ipAddressDetails != null) {
final List<IpAddressDetails> details = dump.get().ipAddressDetails;
return Optional.of(details.stream()
.filter(singleDetail -> ip.equals(arrayToIpv4AddressNoZone(singleDetail.ip)))
.collect(RWUtils.singleItemCollector()));
}
return Optional.absent();
}
default EntityDumpExecutor<IpAddressDetailsReplyDump, AddressDumpParams> createExecutor(
@Nonnull final FutureJVppCore vppApi) {
return (identifier, params) -> {
checkNotNull(params, "Address dump params cannot be null");
final IpAddressDump dumpRequest = new IpAddressDump();
dumpRequest.isIpv6 = booleanToByte(params.isIpv6());
dumpRequest.swIfIndex = params.getInterfaceIndex();
return getReplyForRead(vppApi.ipAddressDump(dumpRequest).toCompletableFuture(), identifier);
};
}
}
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