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/*
* Copyright (c) 2015 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.lisp.translate.write;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.base.Preconditions.checkState;
import static io.fd.honeycomb.translate.v3po.util.TranslateUtils.getReply;
import static java.nio.charset.StandardCharsets.UTF_8;
import com.google.common.base.Optional;
import io.fd.honeycomb.lisp.translate.read.dump.check.LocatorSetsDumpCheck;
import io.fd.honeycomb.lisp.translate.read.dump.executor.LocatorSetsDumpExecutor;
import io.fd.honeycomb.translate.ModificationCache;
import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer;
import io.fd.honeycomb.translate.util.RWUtils;
import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
import io.fd.honeycomb.translate.util.read.cache.EntityDumpExecutor;
import io.fd.honeycomb.translate.util.read.cache.exceptions.execution.DumpExecutionFailedException;
import io.fd.honeycomb.translate.v3po.util.FutureJVppCustomizer;
import io.fd.honeycomb.translate.v3po.util.NamingContext;
import io.fd.honeycomb.translate.v3po.util.TranslateUtils;
import io.fd.honeycomb.translate.write.WriteContext;
import io.fd.honeycomb.translate.write.WriteFailedException;
import java.io.UnsupportedEncodingException;
import java.util.List;
import java.util.concurrent.TimeoutException;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.locator.sets.grouping.locator.sets.LocatorSet;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.locator.sets.grouping.locator.sets.LocatorSetKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.locator.sets.grouping.locator.sets.locator.set.Interface;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.openvpp.jvpp.VppBaseCallException;
import org.openvpp.jvpp.core.dto.LispAddDelLocatorSet;
import org.openvpp.jvpp.core.dto.LispLocatorSetDetailsReplyDump;
import org.openvpp.jvpp.core.future.FutureJVppCore;
/**
* Customizer for {@link LocatorSet} entity.
*
* @see LocatorSet
*/
public class LocatorSetCustomizer extends FutureJVppCustomizer
implements ListWriterCustomizer<LocatorSet, LocatorSetKey> {
private final NamingContext locatorSetContext;
private final DumpCacheManager<LispLocatorSetDetailsReplyDump, Void> dumpManager;
public LocatorSetCustomizer(@Nonnull final FutureJVppCore futureJvpp,
@Nonnull final NamingContext locatorSetContext) {
super(futureJvpp);
this.locatorSetContext = checkNotNull(locatorSetContext, "Locator set context cannot be null");
this.dumpManager = new DumpCacheManager.DumpCacheManagerBuilder<LispLocatorSetDetailsReplyDump, Void>()
.withExecutor(new LocatorSetsDumpExecutor(futureJvpp))
.withNonEmptyPredicate(new LocatorSetsDumpCheck())
.build();
}
@Override
public void writeCurrentAttributes(@Nonnull InstanceIdentifier<LocatorSet> id,
@Nonnull LocatorSet dataAfter,
@Nonnull WriteContext writeContext) throws WriteFailedException {
checkNotNull(dataAfter, "LocatorSet is null");
final String locatorSetName = dataAfter.getName();
checkNotNull(locatorSetName, "LocatorSet name is null");
checkState(isNonEmptyLocatorSet(writeContext.readAfter(id).get()),
"Creating empty locator-sets is not allowed");
// TODO VPP-323 check and fill mapping when api returns index of created locator set
// checkState(!locatorSetContext.containsIndex(locatorSetName, writeContext.getMappingContext()),
// "Locator set with name %s allready defined", locatorSetName);
try {
addDelLocatorSetAndReply(true, dataAfter.getName());
} catch (VppBaseCallException | TimeoutException | UnsupportedEncodingException e) {
throw new WriteFailedException.CreateFailedException(id, dataAfter, e);
}
//TODO - REMOVE FROM MASTER AFTER VPP-323
try {
locatorSetContext
.addName(getLocatorSetIndex(locatorSetName, writeContext.getModificationCache()), locatorSetName,
writeContext.getMappingContext());
} catch (DumpExecutionFailedException e) {
throw new WriteFailedException(id,
new IllegalStateException("Unable to create mapping for locator set " + locatorSetName, e));
}
}
private boolean isNonEmptyLocatorSet(final LocatorSet locatorSet) {
final List<Interface> locators = locatorSet.getInterface();
return locators != null && !locators.isEmpty();
}
@Override
public void updateCurrentAttributes(@Nonnull InstanceIdentifier<LocatorSet> id,
@Nonnull LocatorSet dataBefore,
@Nonnull LocatorSet dataAfter,
@Nonnull WriteContext writeContext) throws WriteFailedException {
throw new UnsupportedOperationException("Operation not supported");
}
@Override
public void deleteCurrentAttributes(@Nonnull InstanceIdentifier<LocatorSet> id,
@Nonnull LocatorSet dataBefore,
@Nonnull WriteContext writeContext) throws WriteFailedException {
checkNotNull(dataBefore, "LocatorSet is null");
final String locatorSetName = dataBefore.getName();
checkNotNull(locatorSetName, "LocatorSet name is null");
try {
addDelLocatorSetAndReply(false, dataBefore.getName());
} catch (VppBaseCallException | TimeoutException | UnsupportedEncodingException e) {
throw new WriteFailedException.DeleteFailedException(id, e);
}
//removes mapping after successful delete
locatorSetContext.removeName(locatorSetName, writeContext.getMappingContext());
}
private void addDelLocatorSetAndReply(boolean add, String name)
throws VppBaseCallException, TimeoutException, UnsupportedEncodingException {
LispAddDelLocatorSet addDelSet = new LispAddDelLocatorSet();
addDelSet.isAdd = TranslateUtils.booleanToByte(add);
addDelSet.locatorSetName = name.getBytes(UTF_8);
getReply(getFutureJVpp().lispAddDelLocatorSet(addDelSet).toCompletableFuture());
}
//TODO - REMOVE FROM MASTER AFTER VPP-323
// total hack
public int getLocatorSetIndex(final String name, final ModificationCache cache)
throws DumpExecutionFailedException {
Optional<LispLocatorSetDetailsReplyDump> reply = dumpManager
.getDump(io.fd.honeycomb.lisp.translate.read.LocatorSetCustomizer.LOCATOR_SETS_CACHE_ID, cache,
EntityDumpExecutor.NO_PARAMS);
if (reply.isPresent()) {
return reply.get().lispLocatorSetDetails.stream()
.filter(a -> name.equals(TranslateUtils.toString(a.lsName)))
.collect(RWUtils.singleItemCollector())
.lsIndex;
} else {
throw new IllegalStateException("Unable to find index of locator set " + name);
}
}
}
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