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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.lisp.translate.initializers;
import static io.fd.honeycomb.lisp.cfgattrs.LispConfiguration.HONEYCOMB_INITIALIZER;
import com.google.inject.Inject;
import com.google.inject.name.Named;
import io.fd.honeycomb.data.init.AbstractDataTreeConverter;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.Lisp;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.LispBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.LispState;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Initializes vpp node in config data tree based on operational state
*/
public class LispInitializer extends AbstractDataTreeConverter<LispState, Lisp> {
private static final Logger LOG = LoggerFactory.getLogger(LispInitializer.class);
@Inject
public LispInitializer(@Named(HONEYCOMB_INITIALIZER) final DataBroker bindingDataBroker) {
super(bindingDataBroker, InstanceIdentifier.create(LispState.class), InstanceIdentifier.create(Lisp.class));
}
@Override
protected Lisp convert(final LispState operationalData) {
LOG.debug("LispInitializer started");
final LispBuilder lispBuilder = new LispBuilder();
// set everything from LispState to LispBuilder
// this is necessary in cases, when HC connects to a running VPP with some LISP configuration. HC needs to
// reconstruct configuration based on what's present in VPP in order to support subsequent configuration changes
// without any issues
// the other reason this should work is HC persistence, so that HC after restart only performs diff (only push
// configuration that is not currently in VPP, but is persisted. If they are equal skip any VPP calls)
// updates to VPP. If this is not fully implemented (depending on VPP implementation, restoration of persisted
// configuration can fail)
return lispBuilder.setEnable(operationalData.isEnable())
.setEidTable(operationalData.getEidTable())
.setLocatorSets(operationalData.getLocatorSets())
.setMapResolvers(operationalData.getMapResolvers())
.setPitrCfg(operationalData.getPitrCfg())
.build();
}
}
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