2 * Copyright (c) 2013 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.openflow.md.core.sal;
10 import java.math.BigInteger;
11 import java.net.Inet4Address;
12 import java.net.Inet6Address;
13 import java.net.InetAddress;
14 import java.net.InetSocketAddress;
16 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
17 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
18 import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
19 import org.opendaylight.openflowplugin.api.openflow.md.ModelDrivenSwitch;
20 import org.opendaylight.openflowplugin.api.openflow.md.core.NotificationQueueWrapper;
21 import org.opendaylight.openflowplugin.openflow.md.core.session.OFSessionUtil;
22 import org.opendaylight.openflowplugin.api.openflow.md.core.session.SessionContext;
23 import org.opendaylight.openflowplugin.api.openflow.md.core.session.SessionListener;
24 import org.opendaylight.openflowplugin.api.openflow.md.core.session.SessionManager;
25 import org.opendaylight.openflowplugin.api.openflow.md.core.session.SwitchSessionKeyOF;
26 import org.opendaylight.openflowplugin.openflow.md.lldp.LLDPSpeaker;
27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6Address;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeUpdated;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeUpdatedBuilder;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRemoved;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRemovedBuilder;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeUpdated;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeUpdatedBuilder;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetFeaturesOutput;
42 import org.opendaylight.yangtools.concepts.CompositeObjectRegistration;
43 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
44 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.InstanceIdentifierBuilder;
45 import org.slf4j.Logger;
46 import org.slf4j.LoggerFactory;
49 * session and inventory listener implementation
51 public class SalRegistrationManager implements SessionListener, AutoCloseable {
53 private final static Logger LOG = LoggerFactory.getLogger(SalRegistrationManager.class);
55 private ProviderContext providerContext;
57 private NotificationProviderService publishService;
59 private DataBroker dataService;
61 private SwitchFeaturesUtil swFeaturesUtil;
63 public SalRegistrationManager() {
64 swFeaturesUtil = SwitchFeaturesUtil.getInstance();
67 public NotificationProviderService getPublishService() {
68 return publishService;
71 public void setPublishService(NotificationProviderService publishService) {
72 this.publishService = publishService;
75 public ProviderContext getProviderContext() {
76 return providerContext;
79 public void onSessionInitiated(ProviderContext session) {
80 LOG.debug("onSessionInitiated");
81 this.providerContext = session;
82 this.publishService = session.getSALService(NotificationProviderService.class);
83 this.dataService = session.getSALService(DataBroker.class);
84 // We register as listener for Session Manager
85 getSessionManager().registerSessionListener(this);
86 getSessionManager().setNotificationProviderService(publishService);
87 getSessionManager().setDataBroker(dataService);
88 LOG.debug("SalRegistrationManager initialized");
92 public void onSessionAdded(SwitchSessionKeyOF sessionKey, SessionContext context) {
93 GetFeaturesOutput features = context.getFeatures();
94 BigInteger datapathId = features.getDatapathId();
95 InstanceIdentifier<Node> identifier = identifierFromDatapathId(datapathId);
96 NodeRef nodeRef = new NodeRef(identifier);
97 NodeId nodeId = nodeIdFromDatapathId(datapathId);
98 ModelDrivenSwitchImpl ofSwitch = new ModelDrivenSwitchImpl(nodeId, identifier, context);
99 LLDPSpeaker.getInstance().addModelDrivenSwitch(identifier, ofSwitch);
100 CompositeObjectRegistration<ModelDrivenSwitch> registration = ofSwitch.register(providerContext);
101 context.setProviderRegistration(registration);
103 LOG.debug("ModelDrivenSwitch for {} registered to MD-SAL.", datapathId.toString());
105 NotificationQueueWrapper wrappedNotification = new NotificationQueueWrapper(
106 nodeAdded(ofSwitch, features, nodeRef),
107 context.getFeatures().getVersion());
108 context.getNotificationEnqueuer().enqueueNotification(wrappedNotification);
112 public void onSessionRemoved(SessionContext context) {
113 GetFeaturesOutput features = context.getFeatures();
114 BigInteger datapathId = features.getDatapathId();
115 InstanceIdentifier<Node> identifier = identifierFromDatapathId(datapathId);
116 NodeRef nodeRef = new NodeRef(identifier);
117 NodeRemoved nodeRemoved = nodeRemoved(nodeRef);
118 LLDPSpeaker.getInstance().removeModelDrivenSwitch(identifier);
119 if (context.isValid()) {
120 CompositeObjectRegistration<ModelDrivenSwitch> registration = context.getProviderRegistration();
121 registration.close();
124 LOG.debug("ModelDrivenSwitch for {} unregistered from MD-SAL.", datapathId.toString());
126 NotificationQueueWrapper wrappedNotification = new NotificationQueueWrapper(
127 nodeRemoved, context.getFeatures().getVersion());
128 context.getNotificationEnqueuer().enqueueNotification(wrappedNotification);
131 private NodeUpdated nodeAdded(ModelDrivenSwitch sw, GetFeaturesOutput features, NodeRef nodeRef) {
132 NodeUpdatedBuilder builder = new NodeUpdatedBuilder();
133 builder.setId(sw.getNodeId());
134 builder.setNodeRef(nodeRef);
136 FlowCapableNodeUpdatedBuilder builder2 = new FlowCapableNodeUpdatedBuilder();
137 builder2.setIpAddress(getIpAddressOf(sw));
138 builder2.setSwitchFeatures(swFeaturesUtil.buildSwitchFeatures(features));
139 builder.addAugmentation(FlowCapableNodeUpdated.class, builder2.build());
141 return builder.build();
144 private IpAddress getIpAddressOf(ModelDrivenSwitch sw) {
145 SessionContext sessionContext = sw.getSessionContext();
146 if (!sessionContext.isValid()) {
147 LOG.warn("IP address of the node {} cannot be obtained. Session is not valid.", sw.getNodeId());
150 InetSocketAddress remoteAddress = sessionContext.getPrimaryConductor().getConnectionAdapter()
152 if (remoteAddress == null) {
153 LOG.warn("IP address of the node {} cannot be obtained. No connection with switch.", sw.getNodeId());
156 return resolveIpAddress(remoteAddress.getAddress());
159 private static IpAddress resolveIpAddress(InetAddress address) {
160 String hostAddress = address.getHostAddress();
161 if (address instanceof Inet4Address) {
162 return new IpAddress(new Ipv4Address(hostAddress));
164 if (address instanceof Inet6Address) {
165 return new IpAddress(new Ipv6Address(hostAddress));
167 throw new IllegalArgumentException("Unsupported IP address type!");
170 private NodeRemoved nodeRemoved(NodeRef nodeRef) {
171 NodeRemovedBuilder builder = new NodeRemovedBuilder();
172 builder.setNodeRef(nodeRef);
173 return builder.build();
176 public static InstanceIdentifier<Node> identifierFromDatapathId(BigInteger datapathId) {
177 NodeKey nodeKey = nodeKeyFromDatapathId(datapathId);
178 InstanceIdentifierBuilder<Node> builder = InstanceIdentifier.builder(Nodes.class).child(Node.class, nodeKey);
179 return builder.toInstance();
182 public static NodeKey nodeKeyFromDatapathId(BigInteger datapathId) {
183 return new NodeKey(nodeIdFromDatapathId(datapathId));
186 public static NodeId nodeIdFromDatapathId(BigInteger datapathId) {
187 // FIXME: Convert to textual representation of datapathID
188 String current = datapathId.toString();
189 return new NodeId("openflow:" + current);
192 public SessionManager getSessionManager() {
193 return OFSessionUtil.getSessionManager();
197 public void close() {
200 providerContext = null;
201 publishService = null;