| /* |
| * Copyright 2016 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.drivers.oplink; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.Lists; |
| import org.apache.commons.configuration.HierarchicalConfiguration; |
| import org.onosproject.drivers.utilities.XmlConfigParser; |
| import org.onosproject.net.AnnotationKeys; |
| import org.onosproject.net.DefaultAnnotations; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.device.DeviceDescription; |
| import org.onosproject.net.device.DeviceDescriptionDiscovery; |
| import org.onosproject.net.device.PortDescription; |
| import org.onosproject.net.driver.AbstractHandlerBehaviour; |
| import org.slf4j.Logger; |
| |
| import java.util.List; |
| |
| import static org.onosproject.drivers.oplink.OplinkOpticalUtility.CHANNEL_SPACING; |
| import static org.onosproject.drivers.oplink.OplinkOpticalUtility.START_CENTER_FREQ; |
| import static org.onosproject.drivers.oplink.OplinkOpticalUtility.STOP_CENTER_FREQ; |
| import static org.onosproject.net.optical.device.OmsPortHelper.omsPortDescription; |
| import static org.slf4j.LoggerFactory.getLogger; |
| import static org.onosproject.drivers.oplink.OplinkNetconfUtility.*; |
| |
| /** |
| * Retrieves the ports from an Oplink optical netconf device. |
| */ |
| public class OplinkOpticalDeviceDescription extends AbstractHandlerBehaviour |
| implements DeviceDescriptionDiscovery { |
| |
| private static final String KEY_PORTNAME = "port-name"; |
| private static final String PORT_DIRECTION = "direction"; |
| // log |
| private static final Logger log = getLogger(OplinkOpticalDeviceDescription.class); |
| |
| @Override |
| public DeviceDescription discoverDeviceDetails() { |
| log.debug("No description to be added for device"); |
| //TODO to be implemented if needed. |
| return null; |
| } |
| |
| @Override |
| public List<PortDescription> discoverPortDetails() { |
| log.debug("Port description to be added for device {}", data().deviceId()); |
| String reply = netconfGetConfig(handler(), getPortsFilter()); |
| List<PortDescription> descriptions = parsePorts(reply); |
| return ImmutableList.copyOf(descriptions); |
| } |
| |
| private String getPortsFilter() { |
| return new StringBuilder(xmlOpen(KEY_OPENOPTICALDEV_XMLNS)) |
| .append(xmlEmpty(KEY_PORTS)) |
| .append(xmlClose(KEY_OPENOPTICALDEV)) |
| .toString(); |
| } |
| |
| private List<PortDescription> parsePorts(String content) { |
| HierarchicalConfiguration cfg = XmlConfigParser.loadXmlString(content); |
| List<PortDescription> portDescriptions = Lists.newArrayList(); |
| List<HierarchicalConfiguration> subtrees = cfg.configurationsAt(KEY_DATA_PORTS); |
| for (HierarchicalConfiguration portConfig : subtrees) { |
| portDescriptions.add(parsePort(portConfig)); |
| } |
| return portDescriptions; |
| } |
| |
| private PortDescription parsePort(HierarchicalConfiguration cfg) { |
| PortNumber portNumber = PortNumber.portNumber(cfg.getLong(KEY_PORTID)); |
| HierarchicalConfiguration portInfo = cfg.configurationAt(KEY_PORT); |
| DefaultAnnotations annotations = DefaultAnnotations.builder() |
| .set(AnnotationKeys.PORT_NAME, portInfo.getString(KEY_PORTNAME)) |
| .set(PORT_DIRECTION, portInfo.getString(KEY_PORTDIRECT)) |
| .build(); |
| return omsPortDescription(portNumber, |
| true, |
| START_CENTER_FREQ, |
| STOP_CENTER_FREQ, |
| CHANNEL_SPACING.frequency(), |
| annotations); |
| } |
| } |