| /* |
| * 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.onosproject.cfm.web; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import org.onlab.packet.MacAddress; |
| import org.onosproject.codec.CodecContext; |
| import org.onosproject.codec.JsonCodec; |
| import org.onosproject.incubator.net.l2monitoring.cfm.DefaultMepLtCreate; |
| import org.onosproject.incubator.net.l2monitoring.cfm.MepLtCreate; |
| import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MepId; |
| |
| import java.util.BitSet; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Encode and decode to/from JSON to MepLtCreate object. |
| */ |
| public class MepLtCreateCodec extends JsonCodec<MepLtCreate> { |
| |
| private static final String REMOTE_MEP_ID = "remoteMepId"; |
| private static final String REMOTE_MEP_MAC = "remoteMepMac"; |
| private static final String DEFAULT_TTL = "defaultTtl"; |
| private static final String TRANSMIT_LTM_FLAGS = "transmitLtmFlags"; |
| private static final String LINKTRACE = "linktrace"; |
| private static final String USE_FDB_ONLY = "use-fdb-only"; |
| |
| /** |
| * Encodes the MepLtCreate entity into JSON. |
| * |
| * @param mepLtCreate MepLtCreate to encode |
| * @param context encoding context |
| * @return JSON node |
| * @throws java.lang.UnsupportedOperationException if the codec does not |
| * support encode operations |
| */ |
| @Override |
| public ObjectNode encode(MepLtCreate mepLtCreate, CodecContext context) { |
| checkNotNull(mepLtCreate, "Mep Lt Create cannot be null"); |
| ObjectNode result = context.mapper().createObjectNode(); |
| |
| if (mepLtCreate.remoteMepId() != null) { |
| result.put(REMOTE_MEP_ID, mepLtCreate.remoteMepId().value()); |
| } else { |
| result.put(REMOTE_MEP_MAC, mepLtCreate.remoteMepAddress().toString()); |
| } |
| |
| if (mepLtCreate.defaultTtl() != null) { |
| result.put(DEFAULT_TTL, mepLtCreate.defaultTtl()); |
| } |
| if (mepLtCreate.transmitLtmFlags() != null) { |
| result.put(TRANSMIT_LTM_FLAGS, |
| mepLtCreate.transmitLtmFlags().get(0) ? USE_FDB_ONLY : ""); |
| } |
| |
| return result; |
| } |
| |
| /** |
| * Decodes the MepLtCreate entity from JSON. |
| * |
| * @param json JSON to decode |
| * @param context decoding context |
| * @return decoded MepLtCreate |
| * @throws java.lang.UnsupportedOperationException if the codec does not |
| * support decode operations |
| */ |
| @Override |
| public MepLtCreate decode(ObjectNode json, CodecContext context) { |
| if (json == null || !json.isObject()) { |
| return null; |
| } |
| |
| JsonNode linktraceNode = json.get(LINKTRACE); |
| |
| JsonNode remoteMepIdNode = linktraceNode.get(REMOTE_MEP_ID); |
| JsonNode remoteMepMacNode = linktraceNode.get(REMOTE_MEP_MAC); |
| |
| MepLtCreate.MepLtCreateBuilder ltCreateBuilder; |
| if (remoteMepIdNode != null) { |
| MepId remoteMepId = MepId.valueOf((short) remoteMepIdNode.asInt()); |
| ltCreateBuilder = DefaultMepLtCreate.builder(remoteMepId); |
| } else if (remoteMepMacNode != null) { |
| MacAddress remoteMepMac = MacAddress.valueOf( |
| remoteMepMacNode.asText()); |
| ltCreateBuilder = DefaultMepLtCreate.builder(remoteMepMac); |
| } else { |
| throw new IllegalArgumentException( |
| "Either a remoteMepId or a remoteMepMac"); |
| } |
| |
| JsonNode defaultTtlNode = linktraceNode.get(DEFAULT_TTL); |
| if (defaultTtlNode != null) { |
| short defaultTtl = (short) defaultTtlNode.asInt(); |
| ltCreateBuilder.defaultTtl(defaultTtl); |
| } |
| |
| JsonNode transmitLtmFlagsNode = linktraceNode.get(TRANSMIT_LTM_FLAGS); |
| if (transmitLtmFlagsNode != null) { |
| if (transmitLtmFlagsNode.asText().isEmpty()) { |
| ltCreateBuilder.transmitLtmFlags(BitSet.valueOf(new long[]{0})); |
| } else if (transmitLtmFlagsNode.asText().equals(USE_FDB_ONLY)) { |
| ltCreateBuilder.transmitLtmFlags(BitSet.valueOf(new long[]{1})); |
| } else { |
| throw new IllegalArgumentException("Expecting value 'use-fdb-only' " + |
| "or '' for " + TRANSMIT_LTM_FLAGS); |
| } |
| } |
| |
| return ltCreateBuilder.build(); |
| } |
| } |