YuanyouZhang | b5e0530 | 2015-07-21 20:14:35 +0800 | [diff] [blame] | 1 | /* |
Brian O'Connor | 5ab426f | 2016-04-09 01:19:45 -0700 | [diff] [blame^] | 2 | * Copyright 2015-present Open Networking Laboratory |
YuanyouZhang | b5e0530 | 2015-07-21 20:14:35 +0800 | [diff] [blame] | 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; |
jiangrui | 8356361 | 2015-11-16 11:59:47 +0800 | [diff] [blame] | 30 | import org.onlab.packet.IpAddress; |
YuanyouZhang | b5e0530 | 2015-07-21 20:14:35 +0800 | [diff] [blame] | 31 | import org.onosproject.net.DefaultAnnotations; |
| 32 | import org.onosproject.net.Device; |
| 33 | import org.onosproject.net.DeviceId; |
| 34 | import org.onosproject.net.MastershipRole; |
Saurav Das | a2d3750 | 2016-03-25 17:50:40 -0700 | [diff] [blame] | 35 | import org.onosproject.net.PortNumber; |
YuanyouZhang | b5e0530 | 2015-07-21 20:14:35 +0800 | [diff] [blame] | 36 | import org.onosproject.net.SparseAnnotations; |
| 37 | import org.onosproject.net.device.DefaultDeviceDescription; |
| 38 | import org.onosproject.net.device.DeviceDescription; |
| 39 | import org.onosproject.net.device.DeviceProvider; |
| 40 | import org.onosproject.net.device.DeviceProviderRegistry; |
| 41 | import org.onosproject.net.device.DeviceProviderService; |
| 42 | import org.onosproject.net.device.DeviceService; |
| 43 | import org.onosproject.net.provider.AbstractProvider; |
| 44 | import org.onosproject.net.provider.ProviderId; |
jiangrui | 8356361 | 2015-11-16 11:59:47 +0800 | [diff] [blame] | 45 | import org.onosproject.ovsdb.controller.OvsdbClientService; |
YuanyouZhang | b5e0530 | 2015-07-21 20:14:35 +0800 | [diff] [blame] | 46 | import org.onosproject.ovsdb.controller.OvsdbController; |
| 47 | import org.onosproject.ovsdb.controller.OvsdbNodeId; |
| 48 | import org.onosproject.ovsdb.controller.OvsdbNodeListener; |
| 49 | import org.slf4j.Logger; |
| 50 | |
| 51 | /** |
| 52 | * Provider which uses an ovsdb controller to detect device. |
| 53 | */ |
| 54 | @Component(immediate = true) |
| 55 | @Service |
| 56 | public class OvsdbDeviceProvider extends AbstractProvider |
| 57 | implements DeviceProvider { |
| 58 | private final Logger log = getLogger(getClass()); |
| 59 | |
| 60 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 61 | protected DeviceProviderRegistry providerRegistry; |
| 62 | |
| 63 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 64 | protected DeviceService deviceService; |
| 65 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 66 | protected OvsdbController controller; |
| 67 | |
| 68 | private DeviceProviderService providerService; |
| 69 | private OvsdbNodeListener innerNodeListener = new InnerOvsdbNodeListener(); |
| 70 | protected static final String ISNOTNULL = "OvsdbNodeId is not null"; |
| 71 | private static final String UNKNOWN = "unknown"; |
| 72 | |
| 73 | @Activate |
| 74 | public void activate() { |
| 75 | providerService = providerRegistry.register(this); |
| 76 | controller.addNodeListener(innerNodeListener); |
| 77 | log.info("Started"); |
| 78 | } |
| 79 | |
| 80 | @Deactivate |
| 81 | public void deactivate() { |
| 82 | providerRegistry.unregister(this); |
| 83 | providerService = null; |
| 84 | log.info("Stopped"); |
| 85 | } |
| 86 | |
| 87 | public OvsdbDeviceProvider() { |
| 88 | super(new ProviderId("ovsdb", "org.onosproject.ovsdb.provider.device")); |
| 89 | } |
| 90 | |
| 91 | @Override |
| 92 | public void triggerProbe(DeviceId deviceId) { |
YuanyouZhang | b5e0530 | 2015-07-21 20:14:35 +0800 | [diff] [blame] | 93 | log.info("Triggering probe on device {}", deviceId); |
jiangrui | 5f4d2e6 | 2015-11-16 12:52:35 +0800 | [diff] [blame] | 94 | if (!isReachable(deviceId)) { |
| 95 | log.error("Failed to probe device {}", deviceId); |
| 96 | providerService.deviceDisconnected(deviceId); |
| 97 | return; |
| 98 | } else { |
| 99 | log.trace("Confirmed device {} connection", deviceId); |
| 100 | } |
YuanyouZhang | b5e0530 | 2015-07-21 20:14:35 +0800 | [diff] [blame] | 101 | } |
| 102 | |
| 103 | @Override |
| 104 | public void roleChanged(DeviceId deviceId, MastershipRole newRole) { |
| 105 | // TODO: This will be implemented later. |
| 106 | } |
| 107 | |
| 108 | @Override |
| 109 | public boolean isReachable(DeviceId deviceId) { |
jiangrui | 8356361 | 2015-11-16 11:59:47 +0800 | [diff] [blame] | 110 | OvsdbClientService ovsdbClient = controller.getOvsdbClient(changeDeviceIdToNodeId(deviceId)); |
| 111 | return !(ovsdbClient == null || !ovsdbClient.isConnected()); |
YuanyouZhang | b5e0530 | 2015-07-21 20:14:35 +0800 | [diff] [blame] | 112 | } |
| 113 | |
| 114 | private class InnerOvsdbNodeListener implements OvsdbNodeListener { |
| 115 | |
| 116 | @Override |
| 117 | public void nodeAdded(OvsdbNodeId nodeId) { |
| 118 | checkNotNull(nodeId, ISNOTNULL); |
| 119 | DeviceId deviceId = DeviceId.deviceId(nodeId.toString()); |
| 120 | URI uri = URI.create(nodeId.toString()); |
| 121 | ChassisId cid = new ChassisId(); |
| 122 | String ipAddress = nodeId.getIpAddress(); |
| 123 | SparseAnnotations annotations = DefaultAnnotations.builder() |
| 124 | .set("ipaddress", ipAddress).build(); |
| 125 | DeviceDescription deviceDescription = new DefaultDeviceDescription( |
| 126 | uri, |
| 127 | Device.Type.CONTROLLER, |
| 128 | UNKNOWN, UNKNOWN, |
| 129 | UNKNOWN, UNKNOWN, |
| 130 | cid, |
| 131 | annotations); |
| 132 | providerService.deviceConnected(deviceId, deviceDescription); |
| 133 | |
| 134 | } |
| 135 | |
| 136 | @Override |
| 137 | public void nodeRemoved(OvsdbNodeId nodeId) { |
| 138 | checkNotNull(nodeId, ISNOTNULL); |
| 139 | DeviceId deviceId = DeviceId.deviceId(nodeId.toString()); |
| 140 | providerService.deviceDisconnected(deviceId); |
| 141 | |
| 142 | } |
| 143 | } |
jiangrui | 8356361 | 2015-11-16 11:59:47 +0800 | [diff] [blame] | 144 | |
| 145 | private OvsdbNodeId changeDeviceIdToNodeId(DeviceId deviceId) { |
| 146 | String[] strings = deviceId.toString().split(":"); |
| 147 | if (strings.length < 1) { |
| 148 | return null; |
| 149 | } |
| 150 | return new OvsdbNodeId(IpAddress.valueOf(strings[1]), 0); |
| 151 | } |
Saurav Das | a2d3750 | 2016-03-25 17:50:40 -0700 | [diff] [blame] | 152 | |
| 153 | @Override |
| 154 | public void changePortState(DeviceId deviceId, PortNumber portNumber, |
| 155 | boolean enable) { |
| 156 | // TODO if required |
| 157 | } |
YuanyouZhang | b5e0530 | 2015-07-21 20:14:35 +0800 | [diff] [blame] | 158 | } |