Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014-2016 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 | |
| 17 | package org.onosproject.provider.bmv2.device.impl; |
| 18 | |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 19 | import com.google.common.collect.Maps; |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 20 | import org.apache.felix.scr.annotations.Component; |
| 21 | import org.apache.felix.scr.annotations.Reference; |
| 22 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 23 | import org.jboss.netty.util.HashedWheelTimer; |
| 24 | import org.jboss.netty.util.Timeout; |
| 25 | import org.jboss.netty.util.TimerTask; |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 26 | import org.onlab.packet.ChassisId; |
Carmelo Cascone | 442a962 | 2016-05-03 11:16:20 -0700 | [diff] [blame] | 27 | import org.onlab.util.HexString; |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 28 | import org.onlab.util.Timer; |
| 29 | import org.onosproject.bmv2.api.runtime.Bmv2ControlPlaneServer; |
| 30 | import org.onosproject.bmv2.api.runtime.Bmv2Device; |
Carmelo Cascone | 442a962 | 2016-05-03 11:16:20 -0700 | [diff] [blame] | 31 | import org.onosproject.bmv2.api.runtime.Bmv2RuntimeException; |
| 32 | import org.onosproject.bmv2.ctl.Bmv2ThriftClient; |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 33 | import org.onosproject.common.net.AbstractDeviceProvider; |
| 34 | import org.onosproject.core.ApplicationId; |
| 35 | import org.onosproject.core.CoreService; |
| 36 | import org.onosproject.incubator.net.config.basics.ConfigException; |
| 37 | import org.onosproject.net.AnnotationKeys; |
| 38 | import org.onosproject.net.DefaultAnnotations; |
| 39 | import org.onosproject.net.Device; |
| 40 | import org.onosproject.net.DeviceId; |
| 41 | import org.onosproject.net.MastershipRole; |
| 42 | import org.onosproject.net.PortNumber; |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 43 | import org.onosproject.net.behaviour.PortDiscovery; |
| 44 | import org.onosproject.net.config.ConfigFactory; |
| 45 | import org.onosproject.net.config.NetworkConfigEvent; |
| 46 | import org.onosproject.net.config.NetworkConfigListener; |
| 47 | import org.onosproject.net.config.NetworkConfigRegistry; |
| 48 | import org.onosproject.net.device.DefaultDeviceDescription; |
| 49 | import org.onosproject.net.device.DeviceDescription; |
| 50 | import org.onosproject.net.device.DeviceService; |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 51 | import org.onosproject.net.device.PortDescription; |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 52 | import org.onosproject.net.provider.ProviderId; |
| 53 | import org.slf4j.Logger; |
| 54 | |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 55 | import java.util.List; |
| 56 | import java.util.concurrent.ConcurrentMap; |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 57 | import java.util.concurrent.ExecutorService; |
| 58 | import java.util.concurrent.Executors; |
| 59 | import java.util.concurrent.TimeUnit; |
| 60 | |
| 61 | import static org.onlab.util.Tools.groupedThreads; |
Carmelo Cascone | 442a962 | 2016-05-03 11:16:20 -0700 | [diff] [blame] | 62 | import static org.onosproject.bmv2.api.runtime.Bmv2Device.*; |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 63 | import static org.onosproject.bmv2.ctl.Bmv2ThriftClient.forceDisconnectOf; |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 64 | import static org.onosproject.bmv2.ctl.Bmv2ThriftClient.ping; |
| 65 | import static org.onosproject.net.config.basics.SubjectFactories.APP_SUBJECT_FACTORY; |
| 66 | import static org.slf4j.LoggerFactory.getLogger; |
| 67 | |
| 68 | /** |
| 69 | * BMv2 device provider. |
| 70 | */ |
| 71 | @Component(immediate = true) |
| 72 | public class Bmv2DeviceProvider extends AbstractDeviceProvider { |
| 73 | |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 74 | private static final Logger LOG = getLogger(Bmv2DeviceProvider.class); |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 75 | |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 76 | private static final String APP_NAME = "org.onosproject.bmv2"; |
| 77 | private static final String UNKNOWN = "unknown"; |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 78 | private static final int POLL_INTERVAL = 5; // seconds |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 79 | |
| 80 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 81 | protected NetworkConfigRegistry netCfgService; |
| 82 | |
| 83 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 84 | protected CoreService coreService; |
| 85 | |
| 86 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 87 | protected DeviceService deviceService; |
| 88 | |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 89 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 90 | protected Bmv2ControlPlaneServer controlPlaneServer; |
| 91 | |
| 92 | private final ExecutorService deviceDiscoveryExecutor = Executors |
| 93 | .newFixedThreadPool(5, groupedThreads("onos/bmv2", "device-discovery", LOG)); |
| 94 | |
| 95 | private final NetworkConfigListener cfgListener = new InternalNetworkConfigListener(); |
| 96 | private final ConfigFactory cfgFactory = new InternalConfigFactory(); |
| 97 | private final ConcurrentMap<DeviceId, Boolean> activeDevices = Maps.newConcurrentMap(); |
| 98 | private final DevicePoller devicePoller = new DevicePoller(); |
| 99 | private final InternalHelloListener helloListener = new InternalHelloListener(); |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 100 | private ApplicationId appId; |
| 101 | |
| 102 | /** |
| 103 | * Creates a Bmv2 device provider with the supplied identifier. |
| 104 | */ |
| 105 | public Bmv2DeviceProvider() { |
| 106 | super(new ProviderId("bmv2", "org.onosproject.provider.device")); |
| 107 | } |
| 108 | |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 109 | @Override |
| 110 | protected void activate() { |
| 111 | appId = coreService.registerApplication(APP_NAME); |
| 112 | netCfgService.registerConfigFactory(cfgFactory); |
| 113 | netCfgService.addListener(cfgListener); |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 114 | controlPlaneServer.addHelloListener(helloListener); |
| 115 | devicePoller.start(); |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 116 | super.activate(); |
| 117 | } |
| 118 | |
| 119 | @Override |
| 120 | protected void deactivate() { |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 121 | devicePoller.stop(); |
| 122 | controlPlaneServer.removeHelloListener(helloListener); |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 123 | try { |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 124 | activeDevices.forEach((did, value) -> { |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 125 | deviceDiscoveryExecutor.execute(() -> disconnectDevice(did)); |
| 126 | }); |
| 127 | deviceDiscoveryExecutor.awaitTermination(1000, TimeUnit.MILLISECONDS); |
| 128 | } catch (InterruptedException e) { |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 129 | LOG.error("Device discovery threads did not terminate"); |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 130 | } |
| 131 | deviceDiscoveryExecutor.shutdownNow(); |
| 132 | netCfgService.unregisterConfigFactory(cfgFactory); |
| 133 | netCfgService.removeListener(cfgListener); |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 134 | super.deactivate(); |
| 135 | } |
| 136 | |
| 137 | @Override |
| 138 | public void triggerProbe(DeviceId deviceId) { |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 139 | // Asynchronously trigger probe task. |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 140 | deviceDiscoveryExecutor.execute(() -> executeProbe(deviceId)); |
| 141 | } |
| 142 | |
| 143 | private void executeProbe(DeviceId did) { |
| 144 | boolean reachable = isReachable(did); |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 145 | LOG.debug("Probed device: id={}, reachable={}", |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 146 | did.toString(), |
| 147 | reachable); |
| 148 | if (reachable) { |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 149 | discoverDevice(did); |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 150 | } else { |
| 151 | disconnectDevice(did); |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | @Override |
| 156 | public void roleChanged(DeviceId deviceId, MastershipRole newRole) { |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 157 | LOG.debug("roleChanged() is not yet implemented"); |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 158 | // TODO: implement mastership handling |
| 159 | } |
| 160 | |
| 161 | @Override |
| 162 | public boolean isReachable(DeviceId deviceId) { |
| 163 | return ping(deviceId); |
| 164 | } |
| 165 | |
| 166 | @Override |
| 167 | public void changePortState(DeviceId deviceId, PortNumber portNumber, boolean enable) { |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 168 | LOG.debug("changePortState() is not yet implemented"); |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 169 | // TODO: implement port handling |
| 170 | } |
| 171 | |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 172 | private void discoverDevice(DeviceId did) { |
| 173 | LOG.debug("Starting device discovery... deviceId={}", did); |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 174 | |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 175 | // Atomically notify device to core and update port information. |
| 176 | activeDevices.compute(did, (k, v) -> { |
| 177 | if (!deviceService.isAvailable(did)) { |
| 178 | // Device not available in the core, connect it now. |
Carmelo Cascone | 442a962 | 2016-05-03 11:16:20 -0700 | [diff] [blame] | 179 | DefaultAnnotations.Builder annotationsBuilder = DefaultAnnotations.builder() |
| 180 | .set(AnnotationKeys.PROTOCOL, SCHEME); |
| 181 | dumpJsonConfigToAnnotations(did, annotationsBuilder); |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 182 | DeviceDescription descr = new DefaultDeviceDescription( |
| 183 | did.uri(), Device.Type.SWITCH, MANUFACTURER, HW_VERSION, |
Carmelo Cascone | 442a962 | 2016-05-03 11:16:20 -0700 | [diff] [blame] | 184 | UNKNOWN, UNKNOWN, new ChassisId(), annotationsBuilder.build()); |
Carmelo Cascone | a2f510e | 2016-05-03 18:36:45 -0700 | [diff] [blame] | 185 | // Reset device state (cleanup entries, etc.) |
| 186 | resetDeviceState(did); |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 187 | providerService.deviceConnected(did, descr); |
| 188 | } |
Carmelo Cascone | 442a962 | 2016-05-03 11:16:20 -0700 | [diff] [blame] | 189 | updatePorts(did); |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 190 | return true; |
| 191 | }); |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 192 | } |
| 193 | |
Carmelo Cascone | 442a962 | 2016-05-03 11:16:20 -0700 | [diff] [blame] | 194 | private void dumpJsonConfigToAnnotations(DeviceId did, DefaultAnnotations.Builder builder) { |
| 195 | // TODO: store json config string somewhere else, possibly in a Bmv2Controller (see ONOS-4419) |
| 196 | try { |
| 197 | String md5 = Bmv2ThriftClient.of(did).getJsonConfigMd5(); |
| 198 | // Convert to hex string for readability. |
| 199 | md5 = HexString.toHexString(md5.getBytes()); |
| 200 | String jsonString = Bmv2ThriftClient.of(did).dumpJsonConfig(); |
| 201 | builder.set("bmv2JsonConfigMd5", md5); |
| 202 | builder.set("bmv2JsonConfigValue", jsonString); |
| 203 | } catch (Bmv2RuntimeException e) { |
Carmelo Cascone | a2f510e | 2016-05-03 18:36:45 -0700 | [diff] [blame] | 204 | LOG.warn("Unable to dump device JSON config from device {}: {}", did, e.toString()); |
| 205 | } |
| 206 | } |
| 207 | |
| 208 | private void resetDeviceState(DeviceId did) { |
| 209 | try { |
| 210 | Bmv2ThriftClient.of(did).resetState(); |
| 211 | } catch (Bmv2RuntimeException e) { |
| 212 | LOG.warn("Unable to reset {}: {}", did, e.toString()); |
Carmelo Cascone | 442a962 | 2016-05-03 11:16:20 -0700 | [diff] [blame] | 213 | } |
| 214 | } |
| 215 | |
| 216 | private void updatePorts(DeviceId did) { |
| 217 | Device device = deviceService.getDevice(did); |
| 218 | if (device.is(PortDiscovery.class)) { |
| 219 | PortDiscovery portConfig = device.as(PortDiscovery.class); |
| 220 | List<PortDescription> portDescriptions = portConfig.getPorts(); |
| 221 | providerService.updatePorts(did, portDescriptions); |
| 222 | } else { |
| 223 | LOG.warn("No PortDiscovery behavior for device {}", did); |
| 224 | } |
| 225 | } |
| 226 | |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 227 | private void disconnectDevice(DeviceId did) { |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 228 | LOG.debug("Trying to disconnect device from core... deviceId={}", did); |
| 229 | |
| 230 | // Atomically disconnect device. |
| 231 | activeDevices.compute(did, (k, v) -> { |
| 232 | if (deviceService.isAvailable(did)) { |
| 233 | providerService.deviceDisconnected(did); |
Carmelo Cascone | 442a962 | 2016-05-03 11:16:20 -0700 | [diff] [blame] | 234 | // Make sure to close the transport session with device. Do we really need this? |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 235 | forceDisconnectOf(did); |
| 236 | } |
| 237 | return null; |
| 238 | }); |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 239 | } |
| 240 | |
| 241 | /** |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 242 | * Internal net-cfg config factory. |
| 243 | */ |
| 244 | private class InternalConfigFactory extends ConfigFactory<ApplicationId, Bmv2ProviderConfig> { |
| 245 | |
| 246 | InternalConfigFactory() { |
| 247 | super(APP_SUBJECT_FACTORY, Bmv2ProviderConfig.class, "devices", true); |
| 248 | } |
| 249 | |
| 250 | @Override |
| 251 | public Bmv2ProviderConfig createConfig() { |
| 252 | return new Bmv2ProviderConfig(); |
| 253 | } |
| 254 | } |
| 255 | |
| 256 | /** |
| 257 | * Internal net-cfg event listener. |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 258 | */ |
| 259 | private class InternalNetworkConfigListener implements NetworkConfigListener { |
| 260 | |
| 261 | @Override |
| 262 | public void event(NetworkConfigEvent event) { |
| 263 | Bmv2ProviderConfig cfg = netCfgService.getConfig(appId, Bmv2ProviderConfig.class); |
| 264 | if (cfg != null) { |
| 265 | try { |
| 266 | cfg.getDevicesInfo().stream().forEach(info -> { |
Carmelo Cascone | c0fbbee | 2016-04-27 18:03:36 -0700 | [diff] [blame] | 267 | // TODO: require also bmv2 internal device id from net-cfg (now is default 0) |
| 268 | Bmv2Device bmv2Device = new Bmv2Device(info.ip().toString(), info.port(), 0); |
| 269 | triggerProbe(bmv2Device.asDeviceId()); |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 270 | }); |
| 271 | } catch (ConfigException e) { |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 272 | LOG.error("Unable to read config: " + e); |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 273 | } |
| 274 | } else { |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 275 | LOG.error("Unable to read config (was null)"); |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 276 | } |
| 277 | } |
| 278 | |
| 279 | @Override |
| 280 | public boolean isRelevant(NetworkConfigEvent event) { |
| 281 | return event.configClass().equals(Bmv2ProviderConfig.class) && |
| 282 | (event.type() == NetworkConfigEvent.Type.CONFIG_ADDED || |
| 283 | event.type() == NetworkConfigEvent.Type.CONFIG_UPDATED); |
| 284 | } |
| 285 | } |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 286 | |
| 287 | /** |
| 288 | * Listener triggered by Bmv2ControlPlaneServer each time a hello message is received. |
| 289 | */ |
| 290 | private class InternalHelloListener implements Bmv2ControlPlaneServer.HelloListener { |
| 291 | @Override |
| 292 | public void handleHello(Bmv2Device device) { |
| 293 | log.debug("Received hello from {}", device); |
Carmelo Cascone | c0fbbee | 2016-04-27 18:03:36 -0700 | [diff] [blame] | 294 | triggerProbe(device.asDeviceId()); |
Carmelo Cascone | 5fa651e | 2016-04-27 17:35:57 -0700 | [diff] [blame] | 295 | } |
| 296 | } |
| 297 | |
| 298 | /** |
| 299 | * Task that periodically trigger device probes. |
| 300 | */ |
| 301 | private class DevicePoller implements TimerTask { |
| 302 | |
| 303 | private final HashedWheelTimer timer = Timer.getTimer(); |
| 304 | private Timeout timeout; |
| 305 | |
| 306 | @Override |
| 307 | public void run(Timeout timeout) throws Exception { |
| 308 | if (timeout.isCancelled()) { |
| 309 | return; |
| 310 | } |
| 311 | log.debug("Executing polling on {} devices...", activeDevices.size()); |
| 312 | activeDevices.forEach((did, value) -> triggerProbe(did)); |
| 313 | timeout.getTimer().newTimeout(this, POLL_INTERVAL, TimeUnit.SECONDS); |
| 314 | } |
| 315 | |
| 316 | /** |
| 317 | * Starts the collector. |
| 318 | */ |
| 319 | synchronized void start() { |
| 320 | LOG.info("Starting device poller..."); |
| 321 | timeout = timer.newTimeout(this, 1, TimeUnit.SECONDS); |
| 322 | } |
| 323 | |
| 324 | /** |
| 325 | * Stops the collector. |
| 326 | */ |
| 327 | synchronized void stop() { |
| 328 | LOG.info("Stopping device poller..."); |
| 329 | timeout.cancel(); |
| 330 | } |
| 331 | } |
Carmelo Cascone | 3bb71c1 | 2016-04-06 21:30:44 -0700 | [diff] [blame] | 332 | } |