2 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.openflowplugin.impl.device;
10 import com.google.common.annotations.VisibleForTesting;
11 import com.google.common.base.Preconditions;
12 import com.google.common.util.concurrent.SettableFuture;
13 import io.netty.util.HashedWheelTimer;
14 import io.netty.util.Timeout;
15 import java.math.BigInteger;
16 import java.util.ArrayList;
17 import java.util.Collections;
18 import java.util.HashMap;
19 import java.util.Iterator;
20 import java.util.List;
22 import java.util.TreeMap;
23 import java.util.concurrent.atomic.AtomicLong;
24 import javax.annotation.Nonnull;
25 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
26 import org.opendaylight.controller.md.sal.binding.api.ReadTransaction;
27 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
28 import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
29 import org.opendaylight.openflowplugin.api.openflow.connection.ConnectionContext;
30 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
31 import org.opendaylight.openflowplugin.api.openflow.device.DeviceState;
32 import org.opendaylight.openflowplugin.api.openflow.device.MessageTranslator;
33 import org.opendaylight.openflowplugin.api.openflow.device.RequestContext;
34 import org.opendaylight.openflowplugin.api.openflow.device.TranslatorLibrary;
35 import org.opendaylight.openflowplugin.api.openflow.device.Xid;
36 import org.opendaylight.openflowplugin.api.openflow.device.exception.DeviceDataException;
37 import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceContextClosedHandler;
38 import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceDisconnectedHandler;
39 import org.opendaylight.openflowplugin.api.openflow.device.listener.OpenflowMessageListenerFacade;
40 import org.opendaylight.openflowplugin.api.openflow.md.core.SwitchConnectionDistinguisher;
41 import org.opendaylight.openflowplugin.api.openflow.md.core.TranslatorKey;
42 import org.opendaylight.openflowplugin.api.openflow.registry.flow.DeviceFlowRegistry;
43 import org.opendaylight.openflowplugin.api.openflow.registry.group.DeviceGroupRegistry;
44 import org.opendaylight.openflowplugin.api.openflow.registry.meter.DeviceMeterRegistry;
45 import org.opendaylight.openflowplugin.api.openflow.statistics.ofpspecific.MessageSpy;
46 import org.opendaylight.openflowplugin.impl.common.NodeStaticReplyTranslatorUtil;
47 import org.opendaylight.openflowplugin.impl.registry.flow.DeviceFlowRegistryImpl;
48 import org.opendaylight.openflowplugin.impl.registry.group.DeviceGroupRegistryImpl;
49 import org.opendaylight.openflowplugin.impl.registry.meter.DeviceMeterRegistryImpl;
50 import org.opendaylight.openflowplugin.impl.services.RequestContextUtil;
51 import org.opendaylight.openflowplugin.openflow.md.core.session.SwitchConnectionCookieOFImpl;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorBuilder;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortReason;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.Error;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowRemoved;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartReply;
62 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
63 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketIn;
64 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketInMessage;
65 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PortGrouping;
66 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PortStatusMessage;
67 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceived;
68 import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.FlowCapableNodeConnectorStatisticsData;
69 import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.FlowCapableNodeConnectorStatisticsDataBuilder;
70 import org.opendaylight.yangtools.yang.binding.ChildOf;
71 import org.opendaylight.yangtools.yang.binding.DataObject;
72 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
73 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
74 import org.opendaylight.yangtools.yang.common.RpcError;
75 import org.opendaylight.yangtools.yang.common.RpcResult;
76 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
77 import org.slf4j.Logger;
78 import org.slf4j.LoggerFactory;
83 public class DeviceContextImpl implements DeviceContext {
85 private static final Logger LOG = LoggerFactory.getLogger(DeviceContextImpl.class);
86 public static final String DEVICE_DISCONNECTED = "Device disconnected.";
88 private final ConnectionContext primaryConnectionContext;
89 private final DeviceState deviceState;
90 private final DataBroker dataBroker;
91 private final XidGenerator xidGenerator;
92 private final HashedWheelTimer hashedWheelTimer;
93 private Map<Long, RequestContext> requests = new TreeMap();
95 private final Map<SwitchConnectionDistinguisher, ConnectionContext> auxiliaryConnectionContexts;
96 private final TransactionChainManager txChainManager;
97 private TranslatorLibrary translatorLibrary;
98 private OpenflowMessageListenerFacade openflowMessageListenerFacade;
99 private final DeviceFlowRegistry deviceFlowRegistry;
100 private final DeviceGroupRegistry deviceGroupRegistry;
101 private final DeviceMeterRegistry deviceMeterRegistry;
102 private Timeout barrierTaskTimeout;
103 private NotificationProviderService notificationService;
104 private final MessageSpy<Class> messageSpy;
105 private DeviceDisconnectedHandler deviceDisconnectedHandler;
106 private List<DeviceContextClosedHandler> closeHandlers = new ArrayList<>();
110 DeviceContextImpl(@Nonnull final ConnectionContext primaryConnectionContext,
111 @Nonnull final DeviceState deviceState,
112 @Nonnull final DataBroker dataBroker,
113 @Nonnull final HashedWheelTimer hashedWheelTimer,
114 @Nonnull final MessageSpy _messageSpy) {
115 this.primaryConnectionContext = Preconditions.checkNotNull(primaryConnectionContext);
116 this.deviceState = Preconditions.checkNotNull(deviceState);
117 this.dataBroker = Preconditions.checkNotNull(dataBroker);
118 this.hashedWheelTimer = Preconditions.checkNotNull(hashedWheelTimer);
119 xidGenerator = new XidGenerator();
120 txChainManager = new TransactionChainManager(dataBroker, hashedWheelTimer, 500L, 500L);
121 auxiliaryConnectionContexts = new HashMap<>();
122 deviceFlowRegistry = new DeviceFlowRegistryImpl();
123 deviceGroupRegistry = new DeviceGroupRegistryImpl();
124 deviceMeterRegistry = new DeviceMeterRegistryImpl();
125 messageSpy = _messageSpy;
129 * This method is called from {@link DeviceManagerImpl} only. So we could say "posthandshake process finish"
130 * and we are able to set a scheduler for an automatic transaction submitting by time (0,5sec).
132 void submitTransaction() {
133 txChainManager.submitTransaction();
134 txChainManager.enableCounter();
138 public <M extends ChildOf<DataObject>> void onMessage(final M message, final RequestContext requestContext) {
139 // TODO Auto-generated method stub
144 public void addAuxiliaryConenctionContext(final ConnectionContext connectionContext) {
145 final SwitchConnectionDistinguisher connectionDistinguisher = new SwitchConnectionCookieOFImpl(connectionContext.getFeatures().getAuxiliaryId());
146 auxiliaryConnectionContexts.put(connectionDistinguisher, connectionContext);
150 public void removeAuxiliaryConenctionContext(final ConnectionContext connectionContext) {
151 // TODO Auto-generated method stub
155 public DeviceState getDeviceState() {
160 public ReadTransaction getReadTransaction() {
161 return dataBroker.newReadOnlyTransaction();
165 public <T extends DataObject> void writeToTransaction(final LogicalDatastoreType store,
166 final InstanceIdentifier<T> path, final T data) {
167 txChainManager.writeToTransaction(store, path, data);
171 public <T extends DataObject> void addDeleteToTxChain(final LogicalDatastoreType store, final InstanceIdentifier<T> path) {
172 txChainManager.addDeleteOperationTotTxChain(store, path);
176 public ConnectionContext getPrimaryConnectionContext() {
177 return primaryConnectionContext;
181 public ConnectionContext getAuxiliaryConnectiobContexts(final BigInteger cookie) {
182 return auxiliaryConnectionContexts.get(new SwitchConnectionCookieOFImpl(cookie.longValue()));
186 public Xid getNextXid() {
187 return xidGenerator.generate();
191 public RequestContext lookupRequest(Xid xid) {
192 return requests.get(xid.getValue());
196 public int getNumberOfOutstandingRequests() {
197 return requests.size();
201 public void hookRequestCtx(final Xid xid, final RequestContext requestFutureContext) {
202 requests.put(xid.getValue(), requestFutureContext);
206 public RequestContext unhookRequestCtx(Xid xid) {
207 return requests.remove(xid.getValue());
211 public void attachOpenflowMessageListener(final OpenflowMessageListenerFacade openflowMessageListenerFacade) {
212 this.openflowMessageListenerFacade = openflowMessageListenerFacade;
213 primaryConnectionContext.getConnectionAdapter().setMessageListener(openflowMessageListenerFacade);
217 public OpenflowMessageListenerFacade getOpenflowMessageListenerFacade() {
218 return openflowMessageListenerFacade;
222 public DeviceFlowRegistry getDeviceFlowRegistry() {
223 return deviceFlowRegistry;
227 public DeviceGroupRegistry getDeviceGroupRegistry() {
228 return deviceGroupRegistry;
232 public DeviceMeterRegistry getDeviceMeterRegistry() {
233 return deviceMeterRegistry;
237 public void processReply(final OfHeader ofHeader) {
238 final RequestContext requestContext = requests.get(ofHeader.getXid());
239 if (null != requestContext) {
240 final SettableFuture replyFuture = requestContext.getFuture();
241 requests.remove(ofHeader.getXid());
242 RpcResult<OfHeader> rpcResult;
243 if (ofHeader instanceof Error) {
244 //TODO : this is the point, where we can discover that add flow operation failed and where we should
245 //TODO : remove this flow from deviceFlowRegistry
246 final Error error = (Error) ofHeader;
247 final String message = "Operation on device failed";
248 rpcResult = RpcResultBuilder
250 .withError(RpcError.ErrorType.APPLICATION, message, new DeviceDataException(message, error))
252 messageSpy.spyMessage(ofHeader.getImplementedInterface(), MessageSpy.STATISTIC_GROUP.FROM_SWITCH_PUBLISHED_FAILURE);
254 rpcResult = RpcResultBuilder
256 .withResult(ofHeader)
258 messageSpy.spyMessage(ofHeader.getImplementedInterface(), MessageSpy.STATISTIC_GROUP.FROM_SWITCH_PUBLISHED_SUCCESS);
261 replyFuture.set(rpcResult);
263 requestContext.close();
264 } catch (final Exception e) {
265 LOG.error("Closing RequestContext failed: ", e);
268 LOG.error("Can't find request context registered for xid : {}. Type of reply: {}. From address: {}", ofHeader.getXid(), ofHeader.getClass().getName(),
269 getPrimaryConnectionContext().getConnectionAdapter().getRemoteAddress());
274 public void processReply(final Xid xid, final List<MultipartReply> ofHeaderList) {
275 final RequestContext requestContext = requests.get(xid.getValue());
276 if (null != requestContext) {
277 final SettableFuture replyFuture = requestContext.getFuture();
278 requests.remove(xid.getValue());
279 final RpcResult<List<MultipartReply>> rpcResult = RpcResultBuilder
280 .<List<MultipartReply>>success()
281 .withResult(ofHeaderList)
283 replyFuture.set(rpcResult);
284 for (MultipartReply multipartReply : ofHeaderList) {
285 messageSpy.spyMessage(multipartReply.getImplementedInterface(), MessageSpy.STATISTIC_GROUP.FROM_SWITCH_PUBLISHED_FAILURE);
289 requestContext.close();
290 } catch (final Exception e) {
291 LOG.error("Closing RequestContext failed: ", e);
294 LOG.error("Can't find request context registered for xid : {}. Type of reply: MULTIPART. From address: {}", xid.getValue(),
295 getPrimaryConnectionContext().getConnectionAdapter().getRemoteAddress());
300 public void processException(final Xid xid, final DeviceDataException deviceDataException) {
302 LOG.trace("Processing exception for xid : {}", xid.getValue());
304 final RequestContext requestContext = requests.get(xid.getValue());
306 if (null != requestContext) {
307 final SettableFuture replyFuture = requestContext.getFuture();
308 requests.remove(xid.getValue());
309 final RpcResult<List<OfHeader>> rpcResult = RpcResultBuilder
310 .<List<OfHeader>>failed()
311 .withError(RpcError.ErrorType.APPLICATION, String.format("Message processing failed : %s", deviceDataException.getError()), deviceDataException)
313 replyFuture.set(rpcResult);
314 messageSpy.spyMessage(deviceDataException.getClass(), MessageSpy.STATISTIC_GROUP.FROM_SWITCH_PUBLISHED_FAILURE);
316 requestContext.close();
317 } catch (final Exception e) {
318 LOG.error("Closing RequestContext failed: ", e);
321 LOG.error("Can't find request context registered for xid : {}", xid.getValue());
326 public void processFlowRemovedMessage(final FlowRemoved flowRemoved) {
327 //TODO: will be defined later
331 public void processPortStatusMessage(final PortStatusMessage portStatus) {
332 messageSpy.spyMessage(portStatus.getImplementedInterface(), MessageSpy.STATISTIC_GROUP.FROM_SWITCH_PUBLISHED_SUCCESS);
333 final TranslatorKey translatorKey = new TranslatorKey(portStatus.getVersion(), PortGrouping.class.getName());
334 final MessageTranslator<PortGrouping, FlowCapableNodeConnector> messageTranslator = translatorLibrary.lookupTranslator(translatorKey);
335 final FlowCapableNodeConnector flowCapableNodeConnector = messageTranslator.translate(portStatus, this, null);
337 final KeyedInstanceIdentifier<NodeConnector, NodeConnectorKey> iiToNodeConnector = provideIIToNodeConnector(portStatus.getPortNo(), portStatus.getVersion());
338 if (portStatus.getReason().equals(PortReason.OFPPRADD) || portStatus.getReason().equals(PortReason.OFPPRMODIFY)) {
339 // because of ADD status node connector has to be created
340 final NodeConnectorBuilder nConnectorBuilder = new NodeConnectorBuilder().setKey(iiToNodeConnector.getKey());
341 nConnectorBuilder.addAugmentation(FlowCapableNodeConnectorStatisticsData.class, new FlowCapableNodeConnectorStatisticsDataBuilder().build());
342 nConnectorBuilder.addAugmentation(FlowCapableNodeConnector.class, flowCapableNodeConnector);
343 writeToTransaction(LogicalDatastoreType.OPERATIONAL, iiToNodeConnector, nConnectorBuilder.build());
344 } else if (portStatus.getReason().equals(PortReason.OFPPRDELETE)) {
345 addDeleteToTxChain(LogicalDatastoreType.OPERATIONAL, iiToNodeConnector);
349 private KeyedInstanceIdentifier<NodeConnector, NodeConnectorKey> provideIIToNodeConnector(final long portNo, final short version) {
350 final InstanceIdentifier<Node> iiToNodes = deviceState.getNodeInstanceIdentifier();
351 final BigInteger dataPathId = deviceState.getFeatures().getDatapathId();
352 final NodeConnectorId nodeConnectorId = NodeStaticReplyTranslatorUtil.nodeConnectorId(dataPathId.toString(), portNo, version);
353 return iiToNodes.child(NodeConnector.class, new NodeConnectorKey(nodeConnectorId));
357 public void processPacketInMessage(final PacketInMessage packetInMessage) {
358 messageSpy.spyMessage(packetInMessage.getImplementedInterface(), MessageSpy.STATISTIC_GROUP.FROM_SWITCH_PUBLISHED_SUCCESS);
359 final TranslatorKey translatorKey = new TranslatorKey(packetInMessage.getVersion(), PacketIn.class.getName());
360 final MessageTranslator<PacketInMessage, PacketReceived> messageTranslator = translatorLibrary.lookupTranslator(translatorKey);
361 final PacketReceived packetReceived = messageTranslator.translate(packetInMessage, this, null);
362 notificationService.publish(packetReceived);
366 public TranslatorLibrary oook() {
367 return translatorLibrary;
371 public void setTranslatorLibrary(final TranslatorLibrary translatorLibrary) {
372 this.translatorLibrary = translatorLibrary;
376 public HashedWheelTimer getTimer() {
377 return hashedWheelTimer;
381 public void close() throws Exception {
382 deviceState.setValid(false);
384 LOG.trace("Removing node {} from operational DS.", getDeviceState().getNodeId());
385 addDeleteToTxChain(LogicalDatastoreType.OPERATIONAL, getDeviceState().getNodeInstanceIdentifier());
387 deviceGroupRegistry.close();
388 deviceFlowRegistry.close();
389 deviceMeterRegistry.close();
391 if (primaryConnectionContext.getConnectionAdapter().isAlive()) {
392 primaryConnectionContext.setConnectionState(ConnectionContext.CONNECTION_STATE.RIP);
393 primaryConnectionContext.getConnectionAdapter().disconnect();
395 for (Map.Entry<Long, RequestContext> entry : requests.entrySet()) {
396 RequestContextUtil.closeRequestContextWithRpcError(entry.getValue(), DEVICE_DISCONNECTED);
398 for (ConnectionContext connectionContext : auxiliaryConnectionContexts.values()) {
399 if (connectionContext.getConnectionAdapter().isAlive()) {
400 connectionContext.getConnectionAdapter().disconnect();
403 for (DeviceContextClosedHandler deviceContextClosedHandler : closeHandlers) {
404 deviceContextClosedHandler.onDeviceContextClosed(this);
410 public void onDeviceDisconnected(final ConnectionContext connectionContext) {
411 if (this.getPrimaryConnectionContext().equals(connectionContext)) {
414 } catch (Exception e) {
415 LOG.trace("Error closing device context.");
417 if (null != deviceDisconnectedHandler) {
418 deviceDisconnectedHandler.onDeviceDisconnected(connectionContext);
421 auxiliaryConnectionContexts.remove(connectionContext);
426 private class XidGenerator {
428 private final AtomicLong xid = new AtomicLong(0);
430 public Xid generate() {
431 return new Xid(xid.incrementAndGet());
436 public RequestContext extractNextOutstandingMessage(final long barrierXid) {
437 RequestContext nextMessage = null;
438 final Iterator<Long> keyIterator = requests.keySet().iterator();
439 if (keyIterator.hasNext()) {
440 final Long oldestXid = keyIterator.next();
441 if (oldestXid < barrierXid) {
442 nextMessage = requests.remove(oldestXid);
449 public void setCurrentBarrierTimeout(final Timeout timeout) {
450 barrierTaskTimeout = timeout;
454 public Timeout getBarrierTaskTimeout() {
455 return barrierTaskTimeout;
459 public void setNotificationService(final NotificationProviderService notificationServiceParam) {
460 notificationService = notificationServiceParam;
464 public MessageSpy getMessageSpy() {
469 public void setDeviceDisconnectedHandler(final DeviceDisconnectedHandler deviceDisconnectedHandler) {
470 this.deviceDisconnectedHandler = deviceDisconnectedHandler;
474 public void addDeviceContextClosedHandler(final DeviceContextClosedHandler deviceContextClosedHandler) {
475 this.closeHandlers.add(deviceContextClosedHandler);