| /* |
| * Copyright 2015-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.codec.impl; |
| |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| |
| import org.onlab.packet.ChassisId; |
| import org.onosproject.codec.CodecContext; |
| import org.onosproject.net.Annotations; |
| import org.onosproject.net.DefaultAnnotations; |
| import org.onosproject.net.DefaultDevice; |
| import org.onosproject.net.DefaultPort; |
| import org.onosproject.net.Device; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.Port; |
| import org.onosproject.net.Port.Type; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.provider.ProviderId; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Device port JSON codec. |
| */ |
| public final class PortCodec extends AnnotatedCodec<Port> { |
| |
| // JSON field names |
| private static final String ELEMENT = "element"; // DeviceId |
| private static final String PORT_NAME = "port"; |
| private static final String IS_ENABLED = "isEnabled"; |
| private static final String TYPE = "type"; |
| private static final String PORT_SPEED = "portSpeed"; |
| |
| // Special port name alias |
| private static final String PORT_NAME_LOCAL = "local"; |
| |
| @Override |
| public ObjectNode encode(Port port, CodecContext context) { |
| checkNotNull(port, "Port cannot be null"); |
| ObjectNode result = context.mapper().createObjectNode() |
| .put(ELEMENT, port.element().id().toString()) |
| .put(PORT_NAME, portName(port.number())) |
| .put(IS_ENABLED, port.isEnabled()) |
| .put(TYPE, port.type().toString().toLowerCase()) |
| .put(PORT_SPEED, port.portSpeed()); |
| return annotate(result, port, context); |
| } |
| |
| private String portName(PortNumber port) { |
| return port.equals(PortNumber.LOCAL) ? PORT_NAME_LOCAL : port.toString(); |
| } |
| |
| private static PortNumber portNumber(String portName) { |
| if (portName.equalsIgnoreCase(PORT_NAME_LOCAL)) { |
| return PortNumber.LOCAL; |
| } |
| |
| return PortNumber.portNumber(portName); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| * |
| * Note: Result of {@link Port#element()} returned Port object, |
| * is not a full Device object. |
| * Only it's DeviceId can be used. |
| */ |
| @Override |
| public Port decode(ObjectNode json, CodecContext context) { |
| if (json == null || !json.isObject()) { |
| return null; |
| } |
| |
| DeviceId did = DeviceId.deviceId(json.get(ELEMENT).asText()); |
| Device device = new DummyDevice(did); |
| PortNumber number = portNumber(json.get(PORT_NAME).asText()); |
| boolean isEnabled = json.get(IS_ENABLED).asBoolean(); |
| Type type = Type.valueOf(json.get(TYPE).asText().toUpperCase()); |
| long portSpeed = json.get(PORT_SPEED).asLong(); |
| Annotations annotations = extractAnnotations(json, context); |
| |
| return new DefaultPort(device, number, isEnabled, type, portSpeed, annotations); |
| } |
| |
| |
| /** |
| * Dummy Device which only holds DeviceId. |
| */ |
| private static final class DummyDevice extends DefaultDevice { |
| /** |
| * Constructs Dummy Device which only holds DeviceId. |
| * |
| * @param did device Id |
| */ |
| public DummyDevice(DeviceId did) { |
| super(new ProviderId(did.uri().getScheme(), "PortCodec"), did, |
| Type.SWITCH, "dummy", "0", "0", "0", new ChassisId(), |
| DefaultAnnotations.EMPTY); |
| } |
| } |
| } |