| /* |
| * Copyright 2016-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.roadm; |
| |
| import com.google.common.collect.Range; |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Deactivate; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.apache.felix.scr.annotations.Service; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.net.ChannelSpacing; |
| import org.onosproject.net.Device; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.Direction; |
| import org.onosproject.net.OchSignal; |
| import org.onosproject.net.OchSignalType; |
| import org.onosproject.net.Port; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.behaviour.LambdaQuery; |
| import org.onosproject.net.behaviour.PowerConfig; |
| import org.onosproject.net.device.DeviceEvent; |
| import org.onosproject.net.device.DeviceListener; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.flow.DefaultFlowRule; |
| import org.onosproject.net.flow.DefaultTrafficSelector; |
| import org.onosproject.net.flow.DefaultTrafficTreatment; |
| import org.onosproject.net.flow.FlowEntry; |
| import org.onosproject.net.flow.FlowId; |
| import org.onosproject.net.flow.FlowRule; |
| import org.onosproject.net.flow.FlowRuleService; |
| import org.onosproject.net.flow.TrafficSelector; |
| import org.onosproject.net.flow.TrafficTreatment; |
| import org.onosproject.net.flow.criteria.Criteria; |
| import org.onosproject.net.flow.instructions.Instructions; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Optional; |
| import java.util.Set; |
| import java.util.concurrent.TimeUnit; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Application for monitoring and configuring ROADM devices. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class RoadmManager implements RoadmService { |
| |
| private static final String APP_NAME = "org.onosproject.roadm"; |
| private ApplicationId appId; |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| private DeviceListener deviceListener = new InternalDeviceListener(); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected RoadmStore roadmStore; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DeviceService deviceService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected FlowRuleService flowRuleService; |
| |
| @Activate |
| protected void activate() { |
| appId = coreService.registerApplication(APP_NAME); |
| deviceService.addListener(deviceListener); |
| initDevices(); |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| deviceService.removeListener(deviceListener); |
| |
| log.info("Stopped"); |
| } |
| |
| private PowerConfig<Object> getPowerConfig(DeviceId deviceId) { |
| Device device = deviceService.getDevice(deviceId); |
| if (device != null && device.is(PowerConfig.class)) { |
| return device.as(PowerConfig.class); |
| } |
| log.warn("Unable to load PowerConfig for {}", deviceId); |
| return null; |
| } |
| |
| private LambdaQuery getLambdaQuery(DeviceId deviceId) { |
| Device device = deviceService.getDevice(deviceId); |
| if (device != null && device.is(LambdaQuery.class)) { |
| return device.as(LambdaQuery.class); |
| } |
| return null; |
| } |
| |
| private void initDevices() { |
| for (Device device : deviceService.getDevices(Device.Type.ROADM)) { |
| initDevice(device.id()); |
| setAllInitialTargetPortPowers(device.id()); |
| } |
| } |
| |
| // Initialize RoadmStore for a device to support target power |
| private void initDevice(DeviceId deviceId) { |
| if (!roadmStore.deviceAvailable(deviceId)) { |
| roadmStore.addDevice(deviceId); |
| } |
| log.info("Initialized device {}", deviceId); |
| } |
| |
| // Sets the target port powers for a port on a device |
| // Attempts to read target powers from store. If no value is found then |
| // default value is used instead. |
| private void setInitialTargetPortPower(DeviceId deviceId, PortNumber portNumber) { |
| PowerConfig<Object> powerConfig = getPowerConfig(deviceId); |
| if (powerConfig == null) { |
| log.warn("Unable to set default initial powers for port {} on device {}", |
| portNumber, deviceId); |
| return; |
| } |
| |
| Optional<Range<Long>> range = |
| powerConfig.getTargetPowerRange(portNumber, Direction.ALL); |
| if (!range.isPresent()) { |
| log.warn("No target power range found for port {} on device {}", |
| portNumber, deviceId); |
| return; |
| } |
| |
| Long power = roadmStore.getTargetPower(deviceId, portNumber); |
| if (power == null) { |
| // Set default to middle of the range |
| power = (range.get().lowerEndpoint() + range.get().upperEndpoint()) / 2; |
| roadmStore.setTargetPower(deviceId, portNumber, power); |
| } |
| powerConfig.setTargetPower(portNumber, Direction.ALL, power); |
| } |
| |
| // Sets the target port powers for each each port on a device |
| // Attempts to read target powers from store. If no value is found then |
| // default value is used instead |
| private void setAllInitialTargetPortPowers(DeviceId deviceId) { |
| PowerConfig<Object> powerConfig = getPowerConfig(deviceId); |
| if (powerConfig == null) { |
| log.warn("Unable to set default initial powers for device {}", |
| deviceId); |
| return; |
| } |
| |
| List<Port> ports = deviceService.getPorts(deviceId); |
| for (Port port : ports) { |
| Optional<Range<Long>> range = |
| powerConfig.getTargetPowerRange(port.number(), Direction.ALL); |
| if (range.isPresent()) { |
| Long power = roadmStore.getTargetPower(deviceId, port.number()); |
| if (power == null) { |
| // Set default to middle of the range |
| power = (range.get().lowerEndpoint() + range.get().upperEndpoint()) / 2; |
| roadmStore.setTargetPower(deviceId, port.number(), power); |
| } |
| powerConfig.setTargetPower(port.number(), Direction.ALL, power); |
| } else { |
| log.warn("No target power range found for port {} on device {}", |
| port.number(), deviceId); |
| } |
| } |
| } |
| |
| @Override |
| public void setTargetPortPower(DeviceId deviceId, PortNumber portNumber, long power) { |
| checkNotNull(deviceId); |
| checkNotNull(portNumber); |
| PowerConfig<Object> powerConfig = getPowerConfig(deviceId); |
| if (powerConfig != null) { |
| roadmStore.setTargetPower(deviceId, portNumber, power); |
| powerConfig.setTargetPower(portNumber, Direction.ALL, power); |
| } else { |
| log.warn("Unable to set target port power for device {}", deviceId); |
| } |
| } |
| |
| @Override |
| public Long getTargetPortPower(DeviceId deviceId, PortNumber portNumber) { |
| checkNotNull(deviceId); |
| checkNotNull(portNumber); |
| // getTargetPortPower is not yet implemented in PowerConfig so we |
| // access store instead |
| return roadmStore.getTargetPower(deviceId, portNumber); |
| } |
| |
| @Override |
| public void setAttenuation(DeviceId deviceId, PortNumber portNumber, |
| OchSignal ochSignal, long attenuation) { |
| checkNotNull(deviceId); |
| checkNotNull(portNumber); |
| checkNotNull(ochSignal); |
| PowerConfig<Object> powerConfig = getPowerConfig(deviceId); |
| if (powerConfig != null) { |
| powerConfig.setTargetPower(portNumber, ochSignal, attenuation); |
| } else { |
| log.warn("Cannot set attenuation for channel index {} on device {}", |
| ochSignal.spacingMultiplier(), deviceId); |
| } |
| } |
| |
| @Override |
| public Long getAttenuation(DeviceId deviceId, PortNumber portNumber, |
| OchSignal ochSignal) { |
| checkNotNull(deviceId); |
| checkNotNull(portNumber); |
| checkNotNull(ochSignal); |
| PowerConfig<Object> powerConfig = getPowerConfig(deviceId); |
| if (powerConfig != null) { |
| Optional<Long> attenuation = |
| powerConfig.getTargetPower(portNumber, ochSignal); |
| if (attenuation.isPresent()) { |
| return attenuation.get(); |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public Long getCurrentPortPower(DeviceId deviceId, PortNumber portNumber) { |
| checkNotNull(deviceId); |
| checkNotNull(portNumber); |
| PowerConfig<Object> powerConfig = getPowerConfig(deviceId); |
| if (powerConfig != null) { |
| Optional<Long> currentPower = |
| powerConfig.currentPower(portNumber, Direction.ALL); |
| if (currentPower.isPresent()) { |
| return currentPower.get(); |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public Long getCurrentChannelPower(DeviceId deviceId, PortNumber portNumber, |
| OchSignal ochSignal) { |
| checkNotNull(deviceId); |
| checkNotNull(portNumber); |
| checkNotNull(ochSignal); |
| PowerConfig<Object> powerConfig = getPowerConfig(deviceId); |
| if (powerConfig != null) { |
| Optional<Long> currentPower = |
| powerConfig.currentPower(portNumber, ochSignal); |
| if (currentPower.isPresent()) { |
| return currentPower.get(); |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public Set<OchSignal> queryLambdas(DeviceId deviceId, PortNumber portNumber) { |
| checkNotNull(deviceId); |
| checkNotNull(portNumber); |
| LambdaQuery lambdaQuery = getLambdaQuery(deviceId); |
| if (lambdaQuery != null) { |
| return lambdaQuery.queryLambdas(portNumber); |
| } |
| return Collections.emptySet(); |
| } |
| |
| @Override |
| public FlowId createConnection(DeviceId deviceId, int priority, boolean isPermanent, |
| int timeout, PortNumber inPort, PortNumber outPort, |
| OchSignal ochSignal) { |
| checkNotNull(deviceId); |
| checkNotNull(inPort); |
| checkNotNull(outPort); |
| |
| FlowRule.Builder flowBuilder = new DefaultFlowRule.Builder(); |
| flowBuilder.fromApp(appId); |
| flowBuilder.withPriority(priority); |
| if (isPermanent) { |
| flowBuilder.makePermanent(); |
| } else { |
| flowBuilder.makeTemporary(timeout); |
| } |
| flowBuilder.forDevice(deviceId); |
| |
| TrafficSelector.Builder selectorBuilder = DefaultTrafficSelector.builder(); |
| selectorBuilder.add(Criteria.matchInPort(inPort)); |
| selectorBuilder.add(Criteria.matchOchSignalType(OchSignalType.FIXED_GRID)); |
| selectorBuilder.add(Criteria.matchLambda(ochSignal)); |
| flowBuilder.withSelector(selectorBuilder.build()); |
| |
| TrafficTreatment.Builder treatmentBuilder = DefaultTrafficTreatment.builder(); |
| treatmentBuilder.add(Instructions.createOutput(outPort)); |
| flowBuilder.withTreatment(treatmentBuilder.build()); |
| |
| FlowRule flowRule = flowBuilder.build(); |
| flowRuleService.applyFlowRules(flowRule); |
| |
| log.info("Created connection from input port {} to output port {}", |
| inPort.toLong(), outPort.toLong()); |
| |
| return flowRule.id(); |
| } |
| |
| @Override |
| public FlowId createConnection(DeviceId deviceId, int priority, boolean isPermanent, |
| int timeout, PortNumber inPort, PortNumber outPort, |
| OchSignal ochSignal, long attenuation) { |
| checkNotNull(deviceId); |
| checkNotNull(inPort); |
| checkNotNull(outPort); |
| FlowId flowId = createConnection(deviceId, priority, isPermanent, |
| timeout, inPort, outPort, ochSignal); |
| delayedSetAttenuation(deviceId, outPort, ochSignal, attenuation); |
| return flowId; |
| } |
| |
| // Delay the call to setTargetPower because the flow may not be in the store yet |
| private void delayedSetAttenuation(DeviceId deviceId, PortNumber outPort, |
| OchSignal ochSignal, long attenuation) { |
| Runnable setAtt = () -> { |
| try { |
| TimeUnit.SECONDS.sleep(1); |
| } catch (InterruptedException e) { |
| log.warn("Thread interrupted. Setting attenuation early."); |
| } |
| setAttenuation(deviceId, outPort, ochSignal, attenuation); |
| }; |
| new Thread(setAtt).start(); |
| } |
| |
| @Override |
| public void removeConnection(DeviceId deviceId, FlowId flowId) { |
| checkNotNull(deviceId); |
| checkNotNull(flowId); |
| for (FlowEntry entry : flowRuleService.getFlowEntries(deviceId)) { |
| if (entry.id().equals(flowId)) { |
| flowRuleService.removeFlowRules(entry); |
| log.info("Deleted connection {}", entry.id()); |
| break; |
| } |
| } |
| } |
| |
| @Override |
| public boolean hasPortTargetPower(DeviceId deviceId, PortNumber portNumber) { |
| checkNotNull(deviceId); |
| checkNotNull(portNumber); |
| PowerConfig<Object> powerConfig = getPowerConfig(deviceId); |
| if (powerConfig != null) { |
| Optional<Range<Long>> range = |
| powerConfig.getTargetPowerRange(portNumber, Direction.ALL); |
| return range.isPresent(); |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean portTargetPowerInRange(DeviceId deviceId, PortNumber portNumber, |
| long power) { |
| checkNotNull(deviceId); |
| checkNotNull(portNumber); |
| PowerConfig<Object> powerConfig = getPowerConfig(deviceId); |
| if (powerConfig != null) { |
| Optional<Range<Long>> range = |
| powerConfig.getTargetPowerRange(portNumber, Direction.ALL); |
| return range.isPresent() && range.get().contains(power); |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean attenuationInRange(DeviceId deviceId, PortNumber outPort, |
| long att) { |
| checkNotNull(deviceId); |
| checkNotNull(outPort); |
| PowerConfig<Object> powerConfig = getPowerConfig(deviceId); |
| if (powerConfig != null) { |
| OchSignal stubOch = OchSignal.newDwdmSlot(ChannelSpacing.CHL_50GHZ, 0); |
| Optional<Range<Long>> range = |
| powerConfig.getTargetPowerRange(outPort, stubOch); |
| return range.isPresent() && range.get().contains(att); |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean validInputPort(DeviceId deviceId, PortNumber portNumber) { |
| checkNotNull(deviceId); |
| checkNotNull(portNumber); |
| PowerConfig<Object> powerConfig = getPowerConfig(deviceId); |
| if (powerConfig != null) { |
| Optional<Range<Long>> range = |
| powerConfig.getInputPowerRange(portNumber, Direction.ALL); |
| return range.isPresent(); |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean validOutputPort(DeviceId deviceId, PortNumber portNumber) { |
| return hasPortTargetPower(deviceId, portNumber); |
| } |
| |
| @Override |
| public boolean validChannel(DeviceId deviceId, PortNumber portNumber, |
| OchSignal ochSignal) { |
| checkNotNull(deviceId); |
| checkNotNull(portNumber); |
| LambdaQuery lambdaQuery = getLambdaQuery(deviceId); |
| if (lambdaQuery != null) { |
| Set<OchSignal> channels = lambdaQuery.queryLambdas(portNumber); |
| return channels.contains(ochSignal); |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean channelAvailable(DeviceId deviceId, OchSignal ochSignal) { |
| checkNotNull(deviceId); |
| checkNotNull(ochSignal); |
| for (FlowEntry entry : flowRuleService.getFlowEntries(deviceId)) { |
| if (ChannelData.fromFlow(entry).ochSignal().equals(ochSignal)) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| public boolean validConnection(DeviceId deviceId, PortNumber inPort, |
| PortNumber outPort) { |
| checkNotNull(deviceId); |
| checkNotNull(inPort); |
| checkNotNull(outPort); |
| return validInputPort(deviceId, inPort) && validOutputPort(deviceId, outPort); |
| } |
| |
| @Override |
| public Range<Long> targetPortPowerRange(DeviceId deviceId, PortNumber portNumber) { |
| checkNotNull(deviceId); |
| checkNotNull(portNumber); |
| PowerConfig<Object> powerConfig = getPowerConfig(deviceId); |
| if (powerConfig != null) { |
| Optional<Range<Long>> range = |
| powerConfig.getTargetPowerRange(portNumber, Direction.ALL); |
| if (range.isPresent()) { |
| return range.get(); |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public Range<Long> attenuationRange(DeviceId deviceId, PortNumber portNumber, |
| OchSignal ochSignal) { |
| checkNotNull(deviceId); |
| checkNotNull(portNumber); |
| checkNotNull(ochSignal); |
| PowerConfig<Object> powerConfig = getPowerConfig(deviceId); |
| if (powerConfig != null) { |
| Optional<Range<Long>> range = |
| powerConfig.getTargetPowerRange(portNumber, ochSignal); |
| if (range.isPresent()) { |
| return range.get(); |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public Range<Long> inputPortPowerRange(DeviceId deviceId, PortNumber portNumber) { |
| checkNotNull(deviceId); |
| checkNotNull(portNumber); |
| PowerConfig<Object> powerConfig = getPowerConfig(deviceId); |
| if (powerConfig != null) { |
| Optional<Range<Long>> range = |
| powerConfig.getInputPowerRange(portNumber, Direction.ALL); |
| if (range.isPresent()) { |
| return range.get(); |
| } |
| } |
| return null; |
| } |
| |
| // Listens to device events. |
| private class InternalDeviceListener implements DeviceListener { |
| @Override |
| public void event(DeviceEvent deviceEvent) { |
| Device device = deviceEvent.subject(); |
| |
| switch (deviceEvent.type()) { |
| case DEVICE_ADDED: |
| case DEVICE_UPDATED: |
| initDevice(device.id()); |
| break; |
| case PORT_ADDED: |
| case PORT_UPDATED: |
| setInitialTargetPortPower(device.id(), deviceEvent.port().number()); |
| break; |
| default: |
| break; |
| |
| } |
| } |
| } |
| } |