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 io.netty.util.TimerTask;
16 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
17 import org.opendaylight.controller.md.sal.binding.api.ReadTransaction;
18 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
19 import org.opendaylight.openflowplugin.api.openflow.connection.ConnectionContext;
20 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
21 import org.opendaylight.openflowplugin.api.openflow.device.DeviceState;
22 import org.opendaylight.openflowplugin.api.openflow.device.MessageTranslator;
23 import org.opendaylight.openflowplugin.api.openflow.device.RequestContext;
24 import org.opendaylight.openflowplugin.api.openflow.device.TranslatorLibrary;
25 import org.opendaylight.openflowplugin.api.openflow.device.Xid;
26 import org.opendaylight.openflowplugin.api.openflow.device.exception.DeviceDataException;
27 import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceReplyProcessor;
28 import org.opendaylight.openflowplugin.api.openflow.md.core.SwitchConnectionDistinguisher;
29 import org.opendaylight.openflowplugin.api.openflow.md.core.TranslatorKey;
30 import org.opendaylight.openflowplugin.impl.translator.PacketReceivedTranslator;
31 import org.opendaylight.openflowplugin.impl.translator.PortUpdateTranslator;
32 import org.opendaylight.openflowplugin.openflow.md.core.session.SwitchConnectionCookieOFImpl;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.Error;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowRemoved;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartReply;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketInMessage;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PortStatus;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PortStatusMessage;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceived;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.TableFeatures;
43 import org.opendaylight.yangtools.yang.binding.ChildOf;
44 import org.opendaylight.yangtools.yang.binding.DataObject;
45 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
46 import org.opendaylight.yangtools.yang.common.RpcError;
47 import org.opendaylight.yangtools.yang.common.RpcResult;
48 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
49 import org.slf4j.Logger;
50 import org.slf4j.LoggerFactory;
51 import javax.annotation.Nonnull;
52 import java.math.BigInteger;
53 import java.util.HashMap;
54 import java.util.List;
56 import java.util.concurrent.TimeUnit;
57 import java.util.concurrent.atomic.AtomicLong;
62 public class DeviceContextImpl implements DeviceContext, DeviceReplyProcessor {
64 private static final Logger LOG = LoggerFactory.getLogger(DeviceContextImpl.class);
66 private final ConnectionContext primaryConnectionContext;
67 private final DeviceState deviceState;
68 private final DataBroker dataBroker;
69 private final XidGenerator xidGenerator;
70 private final HashedWheelTimer hashedWheelTimer;
71 private Map<Long, RequestContext> requests = new HashMap<Long, RequestContext>();
73 private final Map<SwitchConnectionDistinguisher, ConnectionContext> auxiliaryConnectionContexts;
74 private final TransactionChainManager txChainManager;
75 private TranslatorLibrary translatorLibrary;
78 DeviceContextImpl(@Nonnull final ConnectionContext primaryConnectionContext,
79 @Nonnull final DeviceState deviceState, @Nonnull final DataBroker dataBroker,
80 @Nonnull final HashedWheelTimer hashedWheelTimer) {
81 this.primaryConnectionContext = Preconditions.checkNotNull(primaryConnectionContext);
82 this.deviceState = Preconditions.checkNotNull(deviceState);
83 this.dataBroker = Preconditions.checkNotNull(dataBroker);
84 this.hashedWheelTimer = Preconditions.checkNotNull(hashedWheelTimer);
85 xidGenerator = new XidGenerator();
86 txChainManager = new TransactionChainManager(dataBroker, 500L);
87 auxiliaryConnectionContexts = new HashMap<>();
88 requests = new HashMap<>();
92 * This method is called from {@link DeviceManagerImpl} only. So we could say "posthandshake process finish"
93 * and we are able to set a scheduler for an automatic transaction submitting by time (0,5sec).
95 void submitTransaction() {
96 txChainManager.submitTransaction();
97 hashedWheelTimer.newTimeout(new TimerTask() {
99 public void run(final Timeout timeout) throws Exception {
102 }, 0, TimeUnit.MILLISECONDS);
106 public <M extends ChildOf<DataObject>> void onMessage(final M message, final RequestContext requestContext) {
107 // TODO Auto-generated method stub
112 public void addAuxiliaryConenctionContext(final ConnectionContext connectionContext) {
113 final SwitchConnectionDistinguisher connectionDistinguisher = new SwitchConnectionCookieOFImpl(connectionContext.getFeatures().getAuxiliaryId());
114 auxiliaryConnectionContexts.put(connectionDistinguisher, connectionContext);
118 public void removeAuxiliaryConenctionContext(final ConnectionContext connectionContext) {
119 // TODO Auto-generated method stub
123 public DeviceState getDeviceState() {
128 public ReadTransaction getReadTransaction() {
129 return dataBroker.newReadOnlyTransaction();
133 public <T extends DataObject> void writeToTransaction(final LogicalDatastoreType store,
134 final InstanceIdentifier<T> path, final T data) {
135 txChainManager.writeToTransaction(store, path, data);
139 public TableFeatures getCapabilities() {
140 // TODO Auto-generated method stub
145 public ConnectionContext getPrimaryConnectionContext() {
146 return primaryConnectionContext;
150 public ConnectionContext getAuxiliaryConnectiobContexts(final BigInteger cookie) {
151 return auxiliaryConnectionContexts.get(new SwitchConnectionCookieOFImpl(cookie.longValue()));
155 public Xid getNextXid() {
156 return xidGenerator.generate();
159 public Map<Long, RequestContext> getRequests() {
164 public void hookRequestCtx(final Xid xid, final RequestContext requestFutureContext) {
165 // TODO Auto-generated method stub
166 requests.put(xid.getValue(), requestFutureContext);
170 public void processReply(final OfHeader ofHeader) {
171 final RequestContext requestContext = getRequests().get(ofHeader.getXid());
172 final SettableFuture replyFuture = requestContext.getFuture();
173 getRequests().remove(ofHeader.getXid());
174 RpcResult<OfHeader> rpcResult;
176 if (ofHeader instanceof Error) {
177 final Error error = (Error) ofHeader;
178 final String message = "Operation on device failed";
179 rpcResult = RpcResultBuilder
181 .withError(RpcError.ErrorType.APPLICATION, message, new DeviceDataException(message, error))
184 rpcResult = RpcResultBuilder
186 .withResult(ofHeader)
190 replyFuture.set(rpcResult);
192 requestContext.close();
193 } catch (final Exception e) {
194 LOG.error("Closing RequestContext failed: ", e);
199 public void processReply(final Xid xid, final List<MultipartReply> ofHeaderList) {
200 final RequestContext requestContext = getRequests().get(xid.getValue());
201 final SettableFuture replyFuture = requestContext.getFuture();
202 getRequests().remove(xid.getValue());
203 final RpcResult<List<MultipartReply>> rpcResult = RpcResultBuilder
204 .<List<MultipartReply>>success()
205 .withResult(ofHeaderList)
207 replyFuture.set(rpcResult);
209 requestContext.close();
210 } catch (final Exception e) {
211 LOG.error("Closing RequestContext failed: ", e);
216 public void processException(final Xid xid, final DeviceDataException deviceDataException) {
217 final RequestContext requestContext = getRequests().get(xid.getValue());
219 final SettableFuture replyFuture = requestContext.getFuture();
220 getRequests().remove(xid.getValue());
221 final RpcResult<List<OfHeader>> rpcResult = RpcResultBuilder
222 .<List<OfHeader>>failed()
223 .withError(RpcError.ErrorType.APPLICATION, "Message processing failed", deviceDataException)
225 replyFuture.set(rpcResult);
227 requestContext.close();
228 } catch (final Exception e) {
229 LOG.error("Closing RequestContext failed: ", e);
234 public void processFlowRemovedMessage(final FlowRemoved flowRemoved) {
235 //TODO: will be defined later
239 public void processPortStatusMessage(final PortStatusMessage portStatus) {
240 final TranslatorKey translatorKey = new TranslatorKey(portStatus.getVersion(), PortStatusMessage.class.getName());
241 final MessageTranslator<PortStatusMessage, FlowCapableNodeConnector> messageTranslator = translatorLibrary.lookupTranslator(translatorKey);
242 final FlowCapableNodeConnector nodeConnector = messageTranslator.translate(portStatus, this, null);
243 //TODO write into datastore
247 public void processPacketInMessage(final PacketInMessage packetInMessage) {
248 final TranslatorKey translatorKey = new TranslatorKey(packetInMessage.getVersion(), PacketReceivedTranslator.class.getName());
249 final MessageTranslator<PacketInMessage, PacketReceived> messageTranslator = translatorLibrary.lookupTranslator(translatorKey);
250 final PacketReceived packetReceived = messageTranslator.translate(packetInMessage, this, null);
251 //TODO publish to MD-SAL
255 public TranslatorLibrary oook() {
256 return translatorLibrary;
260 public void setTranslatorLibrary(final TranslatorLibrary translatorLibrary) {
261 this.translatorLibrary = translatorLibrary;
265 private class XidGenerator {
267 private final AtomicLong xid = new AtomicLong(0);
269 public Xid generate() {
270 return new Xid(xid.incrementAndGet());