YuanyouZhang | b5e0530 | 2015-07-21 20:14:35 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2015 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.ovsdb.providers.device; |
| 17 | |
| 18 | import static com.google.common.base.Preconditions.checkNotNull; |
| 19 | import static org.slf4j.LoggerFactory.getLogger; |
| 20 | |
| 21 | import java.net.URI; |
| 22 | |
| 23 | import org.apache.felix.scr.annotations.Activate; |
| 24 | import org.apache.felix.scr.annotations.Component; |
| 25 | import org.apache.felix.scr.annotations.Deactivate; |
| 26 | import org.apache.felix.scr.annotations.Reference; |
| 27 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 28 | import org.apache.felix.scr.annotations.Service; |
| 29 | import org.onlab.packet.ChassisId; |
| 30 | import org.onosproject.net.DefaultAnnotations; |
| 31 | import org.onosproject.net.Device; |
| 32 | import org.onosproject.net.DeviceId; |
| 33 | import org.onosproject.net.MastershipRole; |
| 34 | import org.onosproject.net.SparseAnnotations; |
| 35 | import org.onosproject.net.device.DefaultDeviceDescription; |
| 36 | import org.onosproject.net.device.DeviceDescription; |
| 37 | import org.onosproject.net.device.DeviceProvider; |
| 38 | import org.onosproject.net.device.DeviceProviderRegistry; |
| 39 | import org.onosproject.net.device.DeviceProviderService; |
| 40 | import org.onosproject.net.device.DeviceService; |
| 41 | import org.onosproject.net.provider.AbstractProvider; |
| 42 | import org.onosproject.net.provider.ProviderId; |
| 43 | import org.onosproject.ovsdb.controller.OvsdbController; |
| 44 | import org.onosproject.ovsdb.controller.OvsdbNodeId; |
| 45 | import org.onosproject.ovsdb.controller.OvsdbNodeListener; |
| 46 | import org.slf4j.Logger; |
| 47 | |
| 48 | /** |
| 49 | * Provider which uses an ovsdb controller to detect device. |
| 50 | */ |
| 51 | @Component(immediate = true) |
| 52 | @Service |
| 53 | public class OvsdbDeviceProvider extends AbstractProvider |
| 54 | implements DeviceProvider { |
| 55 | private final Logger log = getLogger(getClass()); |
| 56 | |
| 57 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 58 | protected DeviceProviderRegistry providerRegistry; |
| 59 | |
| 60 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 61 | protected DeviceService deviceService; |
| 62 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 63 | protected OvsdbController controller; |
| 64 | |
| 65 | private DeviceProviderService providerService; |
| 66 | private OvsdbNodeListener innerNodeListener = new InnerOvsdbNodeListener(); |
| 67 | protected static final String ISNOTNULL = "OvsdbNodeId is not null"; |
| 68 | private static final String UNKNOWN = "unknown"; |
| 69 | |
| 70 | @Activate |
| 71 | public void activate() { |
| 72 | providerService = providerRegistry.register(this); |
| 73 | controller.addNodeListener(innerNodeListener); |
| 74 | log.info("Started"); |
| 75 | } |
| 76 | |
| 77 | @Deactivate |
| 78 | public void deactivate() { |
| 79 | providerRegistry.unregister(this); |
| 80 | providerService = null; |
| 81 | log.info("Stopped"); |
| 82 | } |
| 83 | |
| 84 | public OvsdbDeviceProvider() { |
| 85 | super(new ProviderId("ovsdb", "org.onosproject.ovsdb.provider.device")); |
| 86 | } |
| 87 | |
| 88 | @Override |
| 89 | public void triggerProbe(DeviceId deviceId) { |
| 90 | // TODO: This will be implemented later. |
| 91 | log.info("Triggering probe on device {}", deviceId); |
| 92 | } |
| 93 | |
| 94 | @Override |
| 95 | public void roleChanged(DeviceId deviceId, MastershipRole newRole) { |
| 96 | // TODO: This will be implemented later. |
| 97 | } |
| 98 | |
| 99 | @Override |
| 100 | public boolean isReachable(DeviceId deviceId) { |
| 101 | return true; |
| 102 | } |
| 103 | |
| 104 | private class InnerOvsdbNodeListener implements OvsdbNodeListener { |
| 105 | |
| 106 | @Override |
| 107 | public void nodeAdded(OvsdbNodeId nodeId) { |
| 108 | checkNotNull(nodeId, ISNOTNULL); |
| 109 | DeviceId deviceId = DeviceId.deviceId(nodeId.toString()); |
| 110 | URI uri = URI.create(nodeId.toString()); |
| 111 | ChassisId cid = new ChassisId(); |
| 112 | String ipAddress = nodeId.getIpAddress(); |
| 113 | SparseAnnotations annotations = DefaultAnnotations.builder() |
| 114 | .set("ipaddress", ipAddress).build(); |
| 115 | DeviceDescription deviceDescription = new DefaultDeviceDescription( |
| 116 | uri, |
| 117 | Device.Type.CONTROLLER, |
| 118 | UNKNOWN, UNKNOWN, |
| 119 | UNKNOWN, UNKNOWN, |
| 120 | cid, |
| 121 | annotations); |
| 122 | providerService.deviceConnected(deviceId, deviceDescription); |
| 123 | |
| 124 | } |
| 125 | |
| 126 | @Override |
| 127 | public void nodeRemoved(OvsdbNodeId nodeId) { |
| 128 | checkNotNull(nodeId, ISNOTNULL); |
| 129 | DeviceId deviceId = DeviceId.deviceId(nodeId.toString()); |
| 130 | providerService.deviceDisconnected(deviceId); |
| 131 | |
| 132 | } |
| 133 | } |
| 134 | } |