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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.honeycomb.translate.v3po;
import com.google.common.base.Optional;
import com.google.inject.Inject;
import com.google.inject.name.Named;
import io.fd.honeycomb.translate.MappingContext;
import io.fd.honeycomb.translate.read.ReaderFactory;
import io.fd.honeycomb.translate.read.registry.ModifiableReaderRegistryBuilder;
import io.fd.honeycomb.translate.util.read.BindingBrokerReader;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
import javax.annotation.Nonnull;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.context.rev160909.DisabledInterfaces;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.context.rev160909.DisabledInterfacesBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.context.rev160909.disabled.interfaces.DisabledInterfaceIndex;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.context.rev160909.disabled.interfaces.DisabledInterfaceIndexBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.context.rev160909.disabled.interfaces.DisabledInterfaceIndexKey;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
/**
* Facade on top of {@link MappingContext} making access to {@link DisabledInterfaces} easier.
*/
public class DisabledInterfacesManager {
private static final InstanceIdentifier<DisabledInterfaces>
DISABLED_IFCS_ROOT = InstanceIdentifier.create(DisabledInterfaces.class);
/**
* Read the list of currently disabled interfaces.
*/
public List<Integer> getDisabledInterfaces(@Nonnull final MappingContext ctx) {
final Optional<DisabledInterfaces> read = ctx.read(DISABLED_IFCS_ROOT);
if (read.isPresent()) {
return read.get().getDisabledInterfaceIndex().stream()
.map(DisabledInterfaceIndex::getIndex)
.collect(Collectors.toList());
} else {
return Collections.emptyList();
}
}
/**
* Check whether a specific interface is disabled.
*/
public boolean isInterfaceDisabled(final int index, @Nonnull final MappingContext ctx) {
return ctx.read(getKeyedId(index))
.isPresent();
}
/**
* Make a specific interface disabled.
*/
public void disableInterface(final int index, @Nonnull final MappingContext ctx) {
ctx.put(getKeyedId(index), getDisabledInterfaceIndex(index));
}
/**
* Remove interface disability.
*/
public void removeDisabledInterface(final int index, @Nonnull final MappingContext ctx) {
ctx.delete(getKeyedId(index));
}
private static DisabledInterfaceIndex getDisabledInterfaceIndex(final int index) {
return new DisabledInterfaceIndexBuilder().setIndex(index).build();
}
private static KeyedInstanceIdentifier<DisabledInterfaceIndex, DisabledInterfaceIndexKey> getKeyedId(final int id) {
return DISABLED_IFCS_ROOT.child(DisabledInterfaceIndex.class, new DisabledInterfaceIndexKey(id));
}
public static final class ContextsReaderFactory implements ReaderFactory {
@Inject
@Named("honeycomb-context")
private DataBroker contextBindingBrokerDependency;
@Override
public void init(final ModifiableReaderRegistryBuilder registry) {
registry.add(new BindingBrokerReader<>(DISABLED_IFCS_ROOT,
contextBindingBrokerDependency,
LogicalDatastoreType.OPERATIONAL, DisabledInterfacesBuilder.class));
}
}
}
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