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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 static io.fd.hc2vpp.acl.read.AbstractVppAclCustomizer.getAclCfgId;
import static io.fd.honeycomb.translate.util.read.cache.EntityDumpExecutor.NO_PARAMS;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Optional;
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.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.spi.read.Initialized;
import io.fd.honeycomb.translate.spi.read.InitializingReaderCustomizer;
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.vpp.jvpp.acl.dto.MacipAclDetailsReplyDump;
import io.fd.vpp.jvpp.acl.dto.MacipAclDump;
import io.fd.vpp.jvpp.acl.dto.MacipAclInterfaceGet;
import io.fd.vpp.jvpp.acl.dto.MacipAclInterfaceGetReply;
import io.fd.vpp.jvpp.acl.future.FutureJVppAclFacade;
import javax.annotation.Nonnull;
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._interface.acl.attributes.Acl;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.acl.rev161214._interface.acl.attributes.acl.Ingress;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.acl.rev161214._interface.acl.attributes.acl.IngressBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.acl.rev161214.vpp.macip.acls.base.attributes.VppMacipAcl;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.acl.rev161214.vpp.macip.acls.base.attributes.VppMacipAclBuilder;
import org.opendaylight.yangtools.concepts.Builder;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class VppMacIpAclCustomizer extends FutureJVppAclCustomizer
implements InitializingReaderCustomizer<VppMacipAcl, VppMacipAclBuilder>, JvppReplyConsumer, ByteDataTranslator {
private static final Logger LOG = LoggerFactory.getLogger(VppMacIpAclCustomizer.class);
@VisibleForTesting
protected static final int ACL_NOT_ASSIGNED = -1;
private final DumpCacheManager<MacipAclDetailsReplyDump, Integer> macIpAclDumpManager;
private final DumpCacheManager<MacipAclInterfaceGetReply, Void> interfaceMacIpAclDumpManager;
private final NamingContext interfaceContext;
private final AclContextManager macIpAclContext;
public VppMacIpAclCustomizer(@Nonnull final FutureJVppAclFacade jVppAclFacade,
@Nonnull final NamingContext interfaceContext,
@Nonnull final AclContextManager macIpAclContext) {
super(jVppAclFacade);
// for dumping of Mac-ip details
macIpAclDumpManager = new DumpCacheManager.DumpCacheManagerBuilder<MacipAclDetailsReplyDump, Integer>()
.withExecutor(createMacIpDumpExecutor())
.acceptOnly(MacipAclDetailsReplyDump.class)
.build();
// for dumping of reference on interface
interfaceMacIpAclDumpManager = new DumpCacheManager.DumpCacheManagerBuilder<MacipAclInterfaceGetReply, Void>()
.withExecutor(createInterfaceMacIpDumpExecutor())
.acceptOnly(MacipAclInterfaceGetReply.class)
.build();
this.interfaceContext = interfaceContext;
this.macIpAclContext = macIpAclContext;
}
private static InstanceIdentifier<VppMacipAcl> getCfgId(
final InstanceIdentifier<VppMacipAcl> id) {
return getAclCfgId(RWUtils.cutId(id, Acl.class)).child(Ingress.class).child(VppMacipAcl.class);
}
private EntityDumpExecutor<MacipAclDetailsReplyDump, Integer> createMacIpDumpExecutor() {
return (identifier, params) -> {
MacipAclDump request = new MacipAclDump();
request.aclIndex = params;
return getReplyForRead(getjVppAclFacade().macipAclDump(request).toCompletableFuture(), identifier);
};
}
private EntityDumpExecutor<MacipAclInterfaceGetReply, Void> createInterfaceMacIpDumpExecutor() {
return (identifier, params) -> getReplyForRead(
getjVppAclFacade().macipAclInterfaceGet(new MacipAclInterfaceGet()).toCompletableFuture(),
identifier);
}
@Nonnull
@Override
public VppMacipAclBuilder getBuilder(@Nonnull final InstanceIdentifier<VppMacipAcl> id) {
return new VppMacipAclBuilder();
}
@Override
public void readCurrentAttributes(@Nonnull final InstanceIdentifier<VppMacipAcl> id,
@Nonnull final VppMacipAclBuilder builder,
@Nonnull final ReadContext ctx) throws ReadFailedException {
final String interfaceName = id.firstKeyOf(Interface.class).getName();
final MappingContext mappingContext = ctx.getMappingContext();
final int interfaceIndex = interfaceContext.getIndex(interfaceName, mappingContext);
final ModificationCache modificationCache = ctx.getModificationCache();
final Optional<MacipAclInterfaceGetReply> interfacesMacIpDumpReply =
interfaceMacIpAclDumpManager.getDump(id, modificationCache, NO_PARAMS);
if (interfacesMacIpDumpReply.isPresent() && interfaceIndex < interfacesMacIpDumpReply.get().count) {
final int aclIndex = interfacesMacIpDumpReply.get().acls[interfaceIndex];
if (aclIndex != ACL_NOT_ASSIGNED) {
final Optional<MacipAclDetailsReplyDump> macIpDumpReply =
macIpAclDumpManager.getDump(id, modificationCache, aclIndex);
if (macIpDumpReply.isPresent() && !macIpDumpReply.get().macipAclDetails.isEmpty()) {
builder.setName(macIpAclContext.getAclName(aclIndex, mappingContext));
builder.setType(
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev170615.VppMacipAcl.class);
return;
} else {
// this is invalid state(Interface in VPP will act as "deny-all" for security reasons), but generally
// it should not happen
throw new ReadFailedException(id,
new IllegalStateException(String.format("ACE with index %s not found in VPP", aclIndex)));
}
}
}
// this is valid state, so just logging
LOG.debug("No Mac-ip ACL specified for Interface name={},index={}", interfaceName, interfaceIndex);
}
@Override
public void merge(@Nonnull final Builder<? extends DataObject> parentBuilder,
@Nonnull final VppMacipAcl readValue) {
IngressBuilder.class.cast(parentBuilder).setVppMacipAcl(readValue);
}
@Nonnull
@Override
public Initialized<? extends DataObject> init(@Nonnull final InstanceIdentifier<VppMacipAcl> id,
@Nonnull final VppMacipAcl readValue,
@Nonnull final ReadContext ctx) {
return Initialized.create(getCfgId(id), readValue);
}
}
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