| /* |
| * Copyright 2017-present 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.driver.optical.config; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| import java.util.Optional; |
| |
| import org.onosproject.net.ChannelSpacing; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.GridType; |
| import org.onosproject.net.config.BaseConfig; |
| import org.slf4j.Logger; |
| |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.google.common.annotations.Beta; |
| |
| /** |
| * Configuration about available lambda resource on a port. |
| */ |
| @Beta |
| public class LambdaConfig extends BaseConfig<ConnectPoint> { |
| |
| private static final Logger log = getLogger(LambdaConfig.class); |
| |
| /** |
| * Configuration key for {@link LambdaConfig}. ({@value #CONFIG_KEY}) |
| */ |
| public static final String CONFIG_KEY = "lambdas"; |
| |
| /** |
| * JSON key for GridType. {@value #GRID_TYPE}. |
| * Expects a string containing one of {@link GridType} element. |
| */ |
| private static final String GRID_TYPE = "gridType"; |
| |
| /** |
| * JSON key for DWDM ChannelSpacing. {@value #DWDM_SPACING}. |
| * Expects a string containing one of {@link ChannelSpacing} element. |
| */ |
| private static final String DWDM_SPACING = "dwdmSpacing"; |
| |
| /** |
| * JSON key for start value of slot index (inclusive). {@value #SLOT_START}. |
| * |
| * Expects an integer value. (default:1). |
| * @see OchSignal#newDwdmSlot(ChannelSpacing, int) |
| * @see OchSignal#newFlexGridSlot(int) |
| */ |
| private static final String SLOT_START = "slotStart"; |
| |
| /** |
| * JSON key for step value of slot index. {@value #SLOT_START}. |
| * |
| * Expects a positive integer value. (default:1). |
| * @see OchSignal#newDwdmSlot(ChannelSpacing, int) |
| * @see OchSignal#newFlexGridSlot(int) |
| */ |
| private static final String SLOT_STEP = "slotStep"; |
| |
| /** |
| * JSON key for end value of slot index (inclusive). {@value #SLOT_START}. |
| * |
| * Expects an integer value. (default:1). |
| * @see OchSignal#newDwdmSlot(ChannelSpacing, int) |
| * @see OchSignal#newFlexGridSlot(int) |
| */ |
| private static final String SLOT_END = "slotEnd"; |
| |
| @Override |
| public boolean isValid() { |
| if (!hasField(GRID_TYPE)) { |
| log.warn("GridType missing: {}", this); |
| return false; |
| } |
| try { |
| GridType type = gridType(); |
| Optional<ChannelSpacing> dwdmSpacing = dwdmSpacing(); |
| if (type == GridType.DWDM) { |
| if (!dwdmSpacing.isPresent()) { |
| log.warn("DWDM spacing missing: {}", this); |
| return false; |
| } |
| } |
| |
| return slotStep() > 0 && |
| slotStart() <= slotEnd(); |
| } catch (NullPointerException | IllegalArgumentException e) { |
| log.warn("Invalid netcfg: {}", this, e); |
| return false; |
| } |
| } |
| |
| /** |
| * Returns available lambda resource type. |
| * |
| * @return grid type |
| */ |
| public GridType gridType() { |
| return GridType.valueOf(get(GRID_TYPE, null)); |
| } |
| |
| /** |
| * Returns DWDM channel spacing. |
| * |
| * @return channel spacing if specified |
| */ |
| public Optional<ChannelSpacing> dwdmSpacing() { |
| return Optional.ofNullable(get(DWDM_SPACING, null)) |
| .map(ChannelSpacing::valueOf); |
| } |
| |
| /** |
| * Returns start of slot index. (inclusive) |
| * |
| * @return start of slot index |
| */ |
| public int slotStart() { |
| return get(SLOT_START, 1); |
| } |
| |
| /** |
| * Returns positive incremental step of slot index. |
| * |
| * @return step of slot index |
| */ |
| public int slotStep() { |
| return get(SLOT_STEP, 1); |
| } |
| |
| /** |
| * Returns end of slot index. (inclusive) |
| * |
| * @return end of slot index |
| */ |
| public int slotEnd() { |
| return get(SLOT_END, 1); |
| } |
| |
| |
| /** |
| * Create a {@link LambdaConfig}. |
| * <p> |
| * Note: created instance needs to be initialized by #init(..) before using. |
| */ |
| public LambdaConfig() { |
| super(); |
| } |
| |
| /** |
| * Create a {@link LambdaConfig} for specified Port. |
| * <p> |
| * Note: created instance is not bound to NetworkConfigService, |
| * cannot use {@link #apply()}. Must be passed to the service |
| * using NetworkConfigService#applyConfig |
| * |
| * @param cp ConnectPoint for a port |
| */ |
| public LambdaConfig(ConnectPoint cp) { |
| ObjectMapper mapper = new ObjectMapper(); |
| init(cp, CONFIG_KEY, mapper.createObjectNode(), mapper, null); |
| } |
| |
| } |