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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.ByteDataTranslator;
import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
import io.fd.hc2vpp.common.translate.util.NamingContext;
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.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.Collections;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.acl.rev161214.VppAclInterfaceAugmentation;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.acl.rev161214._interface.acl.attributes.Acl;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.acl.rev161214.vpp.acls.base.attributes.VppAcls;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.acl.rev161214.vpp.acls.base.attributes.VppAclsBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.acl.rev161214.vpp.acls.base.attributes.VppAclsKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev170615.VppAcl;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
abstract class AbstractVppAclCustomizer extends FutureJVppAclCustomizer
implements InitializingListReaderCustomizer<VppAcls, VppAclsKey, VppAclsBuilder>, JvppReplyConsumer,
ByteDataTranslator {
private final NamingContext interfaceContext;
private final AclContextManager standardAclContext;
private final DumpCacheManager<AclInterfaceListDetailsReplyDump, Integer> aclReferenceDumpManager;
private final DumpCacheManager<AclDetailsReplyDump, Integer> aclDumpManager;
protected AbstractVppAclCustomizer(@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();
}
protected static InstanceIdentifier<Acl> getAclCfgId(
final InstanceIdentifier<Acl> id) {
return InstanceIdentifier.create(Interfaces.class).child(
org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface.class,
new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey(
id.firstKeyOf(Interface.class).getName())).augmentation(VppAclInterfaceAugmentation.class)
.child(Acl.class);
}
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);
};
}
@Nonnull
@Override
public final List<VppAclsKey> getAllIds(@Nonnull final InstanceIdentifier<VppAcls> id,
@Nonnull final ReadContext context)
throws ReadFailedException {
final String parentInterfaceName = id.firstKeyOf(Interface.class).getName();
final int parentInterfaceIndex = interfaceContext.getIndex(parentInterfaceName, context.getMappingContext());
final Optional<AclInterfaceListDetailsReplyDump> dumpReply =
aclReferenceDumpManager.getDump(id, context.getModificationCache(), parentInterfaceIndex);
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);
return filterAcls(aclDetails)
.mapToObj(aclIndex -> standardAclContext.getAclName(aclIndex, context.getMappingContext()))
.map(aclName -> new VppAclsKey(aclName, VppAcl.class))
.collect(Collectors.toList());
} else {
return Collections.emptyList();
}
}
/**
* Streams ids of ACLs.
*
* @param aclDetails describes ACLs assigned to interface
* @return sequence of acl ids
*/
protected abstract IntStream filterAcls(@Nonnull final AclInterfaceListDetails aclDetails);
@Nonnull
@Override
public final VppAclsBuilder getBuilder(@Nonnull final InstanceIdentifier<VppAcls> id) {
return new VppAclsBuilder();
}
@Override
public final void readCurrentAttributes(@Nonnull final InstanceIdentifier<VppAcls> id,
@Nonnull final VppAclsBuilder builder,
@Nonnull final ReadContext ctx) throws ReadFailedException {
final VppAclsKey vppAclsKey = id.firstKeyOf(VppAcls.class);
final String aclName = vppAclsKey.getName();
final int aclIndex = standardAclContext.getAclIndex(aclName, ctx.getMappingContext());
final Optional<AclDetailsReplyDump> dumpReply =
aclDumpManager.getDump(id, ctx.getModificationCache(), aclIndex);
if (dumpReply.isPresent() && !dumpReply.get().aclDetails.isEmpty()) {
builder.setName(aclName);
builder.setType(vppAclsKey.getType());
} else {
throw new ReadFailedException(id,
new IllegalArgumentException(String.format("Acl with name %s not found", aclName)));
}
}
@Nonnull
@Override
public Initialized<VppAcls> init(@Nonnull final InstanceIdentifier<VppAcls> id,
@Nonnull final VppAcls vppAcls,
@Nonnull final ReadContext readContext) {
return Initialized.create(getCfgId(id), vppAcls);
}
protected abstract InstanceIdentifier<VppAcls> getCfgId(final InstanceIdentifier<VppAcls> id);
}
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