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/*
* Copyright 2015 Open Networking Laboratory
*
* 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 org.onosproject.pim.impl;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import org.onosproject.codec.CodecContext;
import org.onosproject.codec.JsonCodec;
import java.util.Collection;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* PIM neighbors Codec.
*/
public class PIMInterfacesCodec extends JsonCodec<Collection<PIMInterface>> {
// JSON field names
//Return Name
private static final String CPNBRLIST = "connect_point_list";
// PIM Neightbors Fields
private static final String IP = "ip";
private static final String PRIORITY = "priority";
private static final String NBRLIST = "neighbor_list";
// PIM neighbor Files
private static final String DR = "designated";
private static final String NBR_IP = "ip";
private static final String PR = "priority";
private static final String HOLDTIME = "hold_time";
/**
* Encode the PIM Neighbors.
*
* @param cpn ConnectPoint neighbors
* @param context encoding context
*
* @return Encoded neighbors used by CLI and REST
*/
@Override
public ObjectNode encode(Collection<PIMInterface> cpn, CodecContext context) {
checkNotNull(cpn, "Pim Neighbors cannot be null");
ObjectNode pimNbrJsonCodec = context.mapper().createObjectNode();
ArrayNode cpnList = context.mapper().createArrayNode();
for (PIMInterface pn: cpn) {
// get the PimNeighbors Obj, contains Neighbors list
// create the json object for a single Entry in the Neighbors list
ObjectNode cp = context.mapper().createObjectNode();
cp.put(IP, pn.getIpAddress().toString());
cp.put(PRIORITY, String.valueOf(pn.getPriority()));
// create the array for the neighbors list
ArrayNode nbrsList = context.mapper().createArrayNode();
for (PIMNeighbor nbr : pn.getNeighbors()) {
nbrsList.add(neighbor(nbr, context));
}
// adds pim neighbor to list
cp.set(NBRLIST, nbrsList);
// adds to arraynode which will represent the connect point neighbors hash map.
cpnList.add(cp);
}
pimNbrJsonCodec.set(CPNBRLIST, cpnList);
return pimNbrJsonCodec;
}
/**
* Encode a single PIM Neighbor.
*
* @param nbr the neighbor to be encoded
* @param context encoding context
* @return the encoded neighbor
*/
private ObjectNode neighbor(PIMNeighbor nbr, CodecContext context) {
return context.mapper().createObjectNode()
.put(DR, Boolean.toString(nbr.isDr()))
.put(NBR_IP, nbr.getPrimaryAddr().toString())
.put(PR, String.valueOf(nbr.getPriority()))
.put(HOLDTIME, String.valueOf(nbr.getHoldtime()));
}
}
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