Jimmy Yan | da878fc | 2016-09-02 16:32:01 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016-present Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.roadm; |
| 17 | |
| 18 | import org.apache.felix.scr.annotations.Activate; |
| 19 | import org.apache.felix.scr.annotations.Component; |
| 20 | import org.apache.felix.scr.annotations.Deactivate; |
| 21 | import org.apache.felix.scr.annotations.Reference; |
| 22 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 23 | import org.apache.felix.scr.annotations.Service; |
| 24 | import org.onosproject.net.DeviceId; |
| 25 | import org.onosproject.net.PortNumber; |
| 26 | import org.onosproject.store.serializers.KryoNamespaces; |
| 27 | import org.onosproject.store.service.ConsistentMap; |
| 28 | import org.onosproject.store.service.Serializer; |
| 29 | import org.onosproject.store.service.StorageService; |
| 30 | import org.slf4j.Logger; |
| 31 | import org.slf4j.LoggerFactory; |
| 32 | |
| 33 | |
| 34 | import java.util.HashMap; |
| 35 | import java.util.Map; |
| 36 | |
| 37 | /** |
| 38 | * Manages the port target powers for ROADM devices. |
| 39 | */ |
| 40 | @Component(immediate = true) |
| 41 | @Service |
| 42 | public class DistributedRoadmStore implements RoadmStore { |
| 43 | private static Logger log = LoggerFactory.getLogger(DistributedRoadmStore.class); |
| 44 | |
| 45 | private ConsistentMap<DeviceId, Map<PortNumber, Long>> distPowerMap; |
| 46 | private Map<DeviceId, Map<PortNumber, Long>> powerMap; |
| 47 | |
| 48 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 49 | protected StorageService storageService; |
| 50 | |
| 51 | @Activate |
| 52 | public void activate() { |
| 53 | distPowerMap = storageService.<DeviceId, Map<PortNumber, Long>>consistentMapBuilder() |
| 54 | .withName("onos-roadm-distributed-store") |
| 55 | .withSerializer(Serializer.using(KryoNamespaces.API)) |
| 56 | .build(); |
| 57 | powerMap = distPowerMap.asJavaMap(); |
| 58 | |
| 59 | log.info("Started"); |
| 60 | } |
| 61 | |
| 62 | @Deactivate |
| 63 | public void deactivate() { |
| 64 | log.info("Stopped"); |
| 65 | } |
| 66 | |
| 67 | // Add a map to the store for a device if not already added. |
| 68 | // Powers still need to be initialized with calls to setTargetPower(). |
| 69 | @Override |
| 70 | public void addDevice(DeviceId deviceId) { |
| 71 | powerMap.putIfAbsent(deviceId, new HashMap<>()); |
| 72 | log.info("Initializing {}", deviceId); |
| 73 | } |
| 74 | |
| 75 | // Returns true if Map for device exists in ConsistentMap |
| 76 | @Override |
| 77 | public boolean deviceAvailable(DeviceId deviceId) { |
| 78 | return powerMap.get(deviceId) != null; |
| 79 | } |
| 80 | |
| 81 | |
| 82 | @Override |
| 83 | public void setTargetPower(DeviceId deviceId, PortNumber portNumber, long targetPower) { |
| 84 | Map<PortNumber, Long> portMap = powerMap.get(deviceId); |
| 85 | if (portMap != null) { |
| 86 | portMap.put(portNumber, targetPower); |
| 87 | powerMap.put(deviceId, portMap); |
| 88 | } else { |
| 89 | log.info("Device {} not found in store", deviceId); |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | @Override |
| 94 | public Long getTargetPower(DeviceId deviceId, PortNumber portNumber) { |
| 95 | Map<PortNumber, Long> portMap = powerMap.get(deviceId); |
| 96 | if (portMap != null) { |
| 97 | return portMap.get(portNumber); |
| 98 | } |
| 99 | return null; |
| 100 | } |
| 101 | } |