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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.write;
import io.fd.hc2vpp.acl.util.AclContextManager;
import io.fd.hc2vpp.acl.util.FutureJVppAclCustomizer;
import io.fd.hc2vpp.acl.util.acl.AclDataExtractor;
import io.fd.hc2vpp.acl.util.acl.AclValidator;
import io.fd.hc2vpp.acl.util.acl.AclWriter;
import io.fd.honeycomb.translate.MappingContext;
import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer;
import io.fd.honeycomb.translate.write.WriteContext;
import io.fd.honeycomb.translate.write.WriteFailedException;
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.access.control.list.rev160708.access.lists.Acl;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.AclKey;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
public class VppAclCustomizer extends FutureJVppAclCustomizer
implements ListWriterCustomizer<Acl, AclKey>, AclValidator, AclDataExtractor, AclWriter {
private final AclContextManager standardAclContext;
private final AclContextManager macIpAclContext;
public VppAclCustomizer(@Nonnull final FutureJVppAclFacade jVppAclFacade,
@Nonnull final AclContextManager standardAclContext,
@Nonnull final AclContextManager macIpAclContext) {
super(jVppAclFacade);
this.standardAclContext = standardAclContext;
this.macIpAclContext = macIpAclContext;
}
@Override
public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<Acl> id, @Nonnull final Acl dataAfter,
@Nonnull final WriteContext writeContext) throws WriteFailedException {
validateAcl(dataAfter);
final MappingContext mappingContext = writeContext.getMappingContext();
if (isStandardAcl(dataAfter)) {
addStandardAcl(getjVppAclFacade(), id, dataAfter, standardAclContext, mappingContext);
} else if (isMacIpAcl(dataAfter)) {
addMacIpAcl(getjVppAclFacade(), id, dataAfter, macIpAclContext, mappingContext);
} else {
// double check, first one done by validation
throw new WriteFailedException.CreateFailedException(id, dataAfter,
new IllegalArgumentException("Unsupported acl option"));
}
}
@Override
public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<Acl> id, @Nonnull final Acl dataBefore,
@Nonnull final Acl dataAfter, @Nonnull final WriteContext writeContext)
throws WriteFailedException {
validateAcl(dataAfter);
final MappingContext mappingContext = writeContext.getMappingContext();
if (isStandardAcl(dataAfter)) {
updateStandardAcl(getjVppAclFacade(), id, dataAfter, standardAclContext, mappingContext);
} else if (isMacIpAcl(dataAfter)) {
synchronized (macIpAclContext) {
// there is no direct support for update of mac-ip acl, but only one is allowed per interface
// so it is atomic from vpp standpoint. Enclosed in synchronized block to prevent issues with
// multiple threads managing naming context
deleteMacIpAcl(getjVppAclFacade(), id, dataBefore, macIpAclContext, mappingContext);
addMacIpAcl(getjVppAclFacade(), id, dataAfter, macIpAclContext, mappingContext);
}
} else {
// double check, first one done by validation
throw new WriteFailedException.CreateFailedException(id, dataAfter,
new IllegalArgumentException("Unsupported acl option"));
}
}
@Override
public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<Acl> id, @Nonnull final Acl dataBefore,
@Nonnull final WriteContext writeContext) throws WriteFailedException {
// According to VPP team, acl references should be removed before trying to remove ACL
// For mac-ip, reference should be removed during removal of mac-ip, so no need to check in hc
validateAcl(dataBefore);
final MappingContext mappingContext = writeContext.getMappingContext();
if (isStandardAcl(dataBefore)) {
deleteStandardAcl(getjVppAclFacade(), id, dataBefore, standardAclContext, mappingContext);
} else if (isMacIpAcl(dataBefore)) {
deleteMacIpAcl(getjVppAclFacade(), id, dataBefore, macIpAclContext, mappingContext);
} else {
// double check, first one done by validation
throw new WriteFailedException.DeleteFailedException(id,
new IllegalArgumentException("Unsupported acl option"));
}
}
}
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