| /* |
| * Copyright 2017-present Open Networking Foundation |
| * |
| * 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.opencord.olttopology.impl; |
| |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import org.onlab.packet.LLDPTLV; |
| import org.onosproject.codec.CodecContext; |
| import org.onosproject.codec.JsonCodec; |
| import org.opencord.olttopology.OltNeighborInfo; |
| |
| import java.util.Date; |
| import java.util.List; |
| |
| /* |
| Codec for JSON encoding of OLT topology information. |
| */ |
| public class OltTopologyInformationCodec extends JsonCodec<OltNeighborInfo> { |
| /** |
| * Encoder for the information in Json format. |
| * |
| * @param en : The topology information to be encoded |
| * @param context : The context to which the Json data needs to be added |
| * @return Json Object Node |
| */ |
| @Override |
| public ObjectNode encode(OltNeighborInfo en, CodecContext context) { |
| final ObjectNode result = context.mapper().createObjectNode() |
| .put("oltName", (en.oltName() == null) ? "" : en.oltName()) |
| .put("oltPort", (en.oltPort().annotations().value("portName").isEmpty()) ? "" : |
| en.oltPort().annotations().value("portName")) |
| .put("oltSerialNo", (en.oltSerialNo() == null) ? "" : en.oltSerialNo()) |
| .put("neighborName", (en.neighborName() == null) ? "" : en.neighborName()) |
| .put("neighborPort", (en.neighborPort() == null) ? "" : en.neighborPort()) |
| .put("neighborManagementAddress", (en.mgmtAddr() == null) ? "" : en.mgmtAddr()); |
| |
| if (en.getOtherOptionalTlvs() != null) { |
| ArrayNode optionalTlvNodes = result.putArray("optionalTlvs"); |
| |
| List<LLDPTLV> optionalTlvsList = en.getOtherOptionalTlvs(); |
| for (LLDPTLV tlv : optionalTlvsList) { |
| ObjectNode optionalTlvNode = context.mapper().createObjectNode(); |
| optionalTlvNode.put("type", tlv.getType()); |
| optionalTlvNode.put("value", "0x" + byteArrayInHex(tlv.getValue())); |
| optionalTlvNodes.add(optionalTlvNode); |
| } |
| } |
| |
| Date currentTime = new Date(); |
| long lastUpdatedValue = currentTime.getTime() - en.getLastUpdated().getTime(); |
| long lastUpdatedSecondsValue = lastUpdatedValue / 1000; |
| result.put("last_updated", Long.toString(lastUpdatedSecondsValue)); |
| return result; |
| } |
| |
| /** |
| * Utility function to convert byte array to Hex String. |
| * |
| * @param bytes : The byte arrary to be converted |
| * @return Hex string representation of the byte array |
| */ |
| private String byteArrayInHex(byte[] bytes) { |
| String s = ""; |
| for (byte b : bytes) { |
| s += String.format("%02x", b); |
| } |
| return s; |
| } |
| } |