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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.hc2vpp.acl.read;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableSet;
import io.fd.hc2vpp.acl.util.AclContextManager;
import io.fd.hc2vpp.acl.util.FutureJVppAclCustomizer;
import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
import io.fd.hc2vpp.common.translate.util.NamingContext;
import io.fd.honeycomb.translate.MappingContext;
import io.fd.honeycomb.translate.ModificationCache;
import io.fd.honeycomb.translate.read.ReadContext;
import io.fd.honeycomb.translate.read.ReadFailedException;
import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager.DumpCacheManagerBuilder;
import io.fd.honeycomb.translate.util.read.cache.EntityDumpExecutor;
import io.fd.honeycomb.translate.util.read.cache.TypeAwareIdentifierCacheKeyFactory;
import io.fd.vpp.jvpp.acl.dto.AclDetailsReplyDump;
import io.fd.vpp.jvpp.acl.dto.AclDump;
import io.fd.vpp.jvpp.acl.dto.AclInterfaceListDetails;
import io.fd.vpp.jvpp.acl.dto.AclInterfaceListDetailsReplyDump;
import io.fd.vpp.jvpp.acl.dto.AclInterfaceListDump;
import io.fd.vpp.jvpp.acl.future.FutureJVppAclFacade;
import java.util.Arrays;
import java.util.stream.Stream;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev181001.acls.attachment.points.Interface;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev181001.acls.attachment.points._interface.acl.acl.sets.AclSet;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev181001.acls.attachment.points._interface.acl.acl.sets.AclSetBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev181001.acls.attachment.points._interface.acl.acl.sets.AclSetKey;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
abstract class AbstractAclCustomizer extends FutureJVppAclCustomizer implements JvppReplyConsumer {
final NamingContext interfaceContext;
final AclContextManager standardAclContext;
final DumpCacheManager<AclInterfaceListDetailsReplyDump, Integer> aclReferenceDumpManager;
final DumpCacheManager<AclDetailsReplyDump, Integer> aclDumpManager;
protected AbstractAclCustomizer(@Nonnull final FutureJVppAclFacade jVppAclFacade,
@Nonnull final NamingContext interfaceContext,
@Nonnull final AclContextManager standardAclContext) {
super(jVppAclFacade);
this.interfaceContext = interfaceContext;
this.standardAclContext = standardAclContext;
aclReferenceDumpManager =
new DumpCacheManagerBuilder<AclInterfaceListDetailsReplyDump, Integer>()
.withExecutor(createAclReferenceDumpExecutor())
// Key needs to contain interface ID to distinguish dumps between interfaces
.withCacheKeyFactory(
new TypeAwareIdentifierCacheKeyFactory(AclInterfaceListDetailsReplyDump.class,
ImmutableSet.of(Interface.class)))
.build();
aclDumpManager = new DumpCacheManagerBuilder<AclDetailsReplyDump, Integer>()
.withExecutor(createAclExecutor())
.acceptOnly(AclDetailsReplyDump.class)
.build();
}
private EntityDumpExecutor<AclDetailsReplyDump, Integer> createAclExecutor() {
return (identifier, params) -> {
AclDump request = new AclDump();
request.aclIndex = params;
return getReplyForRead(getjVppAclFacade().aclDump(request).toCompletableFuture(), identifier);
};
}
private EntityDumpExecutor<AclInterfaceListDetailsReplyDump, Integer> createAclReferenceDumpExecutor() {
return (identifier, params) -> {
AclInterfaceListDump dumpRequest = new AclInterfaceListDump();
dumpRequest.swIfIndex = params;
return getReplyForRead(getjVppAclFacade().aclInterfaceListDump(dumpRequest).toCompletableFuture(),
identifier);
};
}
Stream<AclSetKey> getStandardAclSetKeys(@Nonnull final ReadContext readContext,
final Optional<AclInterfaceListDetailsReplyDump> dumpReply,
final boolean isIngress) {
if (dumpReply.isPresent() && !dumpReply.get().aclInterfaceListDetails.isEmpty()) {
// if dumpReply is present, then aclInterfaceListDetails contains single element (actually it should not be
// dump message in vpp)
final AclInterfaceListDetails aclDetails = dumpReply.get().aclInterfaceListDetails.get(0);
if (isIngress) {
return Arrays.stream(aclDetails.acls).limit(aclDetails.nInput)
.mapToObj(aclIndex -> standardAclContext.getAclName(aclIndex, readContext.getMappingContext()))
.map(AclSetKey::new);
} else {
return Arrays.stream(aclDetails.acls).skip(aclDetails.nInput)
.mapToObj(aclIndex -> standardAclContext.getAclName(aclIndex, readContext.getMappingContext()))
.map(AclSetKey::new);
}
} else {
return Stream.empty();
}
}
void parseStandardAclSet(@Nonnull final InstanceIdentifier<AclSet> instanceIdentifier,
@Nonnull final AclSetBuilder aclSetBuilder, final String aclName,
final MappingContext mappingContext, final ModificationCache modificationCache)
throws ReadFailedException {
final int aclIndex = standardAclContext.getAclIndex(aclName, mappingContext);
final Optional<AclDetailsReplyDump> dumpReply =
aclDumpManager.getDump(instanceIdentifier, modificationCache, aclIndex);
if (dumpReply.isPresent() && !dumpReply.get().aclDetails.isEmpty()) {
aclSetBuilder.setName(aclName);
} else {
throw new ReadFailedException(instanceIdentifier,
new IllegalArgumentException(String.format("Acl with name %s not found", aclName)));
}
}
}
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