| /* |
| * Copyright 2018-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. |
| * |
| * This work was partially supported by EC H2020 project METRO-HAUL (761727). |
| */ |
| package org.onosproject.drivers.odtn.tapi; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.google.common.collect.ImmutableSet; |
| import org.onosproject.net.Device; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.OchSignal; |
| import org.onosproject.net.Port; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.behaviour.LambdaQuery; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.driver.AbstractHandlerBehaviour; |
| import org.onosproject.protocol.rest.RestSBController; |
| import org.slf4j.Logger; |
| |
| import javax.ws.rs.core.MediaType; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.Set; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.onosproject.drivers.odtn.tapi.TapiDeviceHelper.MC_POOL; |
| import static org.onosproject.drivers.odtn.tapi.TapiDeviceHelper.MEDIA_CHANNEL_SERVICE_INTERFACE_POINT_SPEC; |
| import static org.onosproject.drivers.odtn.tapi.TapiDeviceHelper.SERVICE_INTERFACE_POINT; |
| import static org.onosproject.drivers.odtn.tapi.TapiDeviceHelper.TAPI_COMMON; |
| import static org.onosproject.drivers.odtn.tapi.TapiDeviceHelper.UUID; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| |
| |
| /** |
| * Driver behavior of TAPI devices to discover the map of available lambdas of the ports. |
| */ |
| public class TapiDeviceLambdaQuery extends AbstractHandlerBehaviour |
| implements LambdaQuery { |
| |
| private static final Logger log = getLogger(TapiDeviceLambdaQuery.class); |
| private static final String SIP_REQUEST_DATA_API = "/restconf/data/tapi-common:context/service-interface-point="; |
| |
| /** |
| * Get the deviceId for which the methods apply. |
| * |
| * @return The deviceId as contained in the handler data |
| */ |
| private DeviceId did() { |
| return handler().data().deviceId(); |
| } |
| |
| @Override |
| public Set<OchSignal> queryLambdas(PortNumber port) { |
| RestSBController controller = checkNotNull(handler().get(RestSBController.class)); |
| DeviceService deviceService = checkNotNull(handler().get(DeviceService.class)); |
| DeviceId deviceId = did(); |
| Device dev = deviceService.getDevice(deviceId); |
| if (dev == null) { |
| log.error("Device {} does not exist", deviceId); |
| return ImmutableSet.of(); |
| } |
| Port p = deviceService.getPort(dev.id(), port); |
| if (p == null) { |
| log.error("Port {} does not exist", port); |
| return ImmutableSet.of(); |
| } |
| String uuid = p.annotations().value(UUID); |
| |
| try { |
| InputStream inputStream = controller.get(deviceId, SIP_REQUEST_DATA_API + uuid, |
| MediaType.APPLICATION_JSON_TYPE); |
| log.debug("Service interface point UUID: {}", uuid); |
| JsonNode sipAttributes = new ObjectMapper().readTree(inputStream); |
| JsonNode mcPool = sipAttributes.get(TAPI_COMMON + ":" + SERVICE_INTERFACE_POINT).get(0) |
| .get(MEDIA_CHANNEL_SERVICE_INTERFACE_POINT_SPEC).get(MC_POOL); |
| |
| //This creates a hashset of OChSignals representing the spectrum availability at the target port. |
| return TapiDeviceHelper.getOchSignal(mcPool); |
| |
| } catch (IOException e) { |
| log.error("Exception discoverPortDetails() {}", did(), e); |
| return ImmutableSet.of(); |
| } |
| } |
| |
| |
| } |