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
9 package org.opendaylight.groupbasedpolicy.neutron.ovsdb;
11 import static com.google.common.base.Preconditions.checkNotNull;
12 import static org.opendaylight.groupbasedpolicy.neutron.ovsdb.util.InventoryHelper.addOfOverlayExternalPort;
13 import static org.opendaylight.groupbasedpolicy.neutron.ovsdb.util.InventoryHelper.getLongFromDpid;
14 import static org.opendaylight.groupbasedpolicy.neutron.ovsdb.util.NeutronOvsdbIidFactory.ovsdbNodeAugmentationIid;
15 import static org.opendaylight.groupbasedpolicy.neutron.ovsdb.util.OvsdbHelper.getNodeFromBridgeRef;
17 import java.util.List;
18 import java.util.Map.Entry;
20 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
21 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
22 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
23 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
24 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
25 import org.opendaylight.ovsdb.southbound.SouthboundConstants;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagedNodeEntry;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.OpenvswitchOtherConfigs;
32 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
33 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
34 import org.opendaylight.yangtools.concepts.ListenerRegistration;
35 import org.opendaylight.yangtools.yang.binding.DataObject;
36 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
37 import org.slf4j.Logger;
38 import org.slf4j.LoggerFactory;
40 public class NodeDataChangeListener implements DataChangeListener, AutoCloseable {
42 private static final Logger LOG = LoggerFactory.getLogger(NodeDataChangeListener.class);
43 private static final String NEUTRON_PROVIDER_MAPPINGS_KEY = "provider_mappings";
44 private static final String INVENTORY_PREFIX = "openflow:";
45 private final ListenerRegistration<DataChangeListener> registration;
46 private static DataBroker dataBroker;
48 public NodeDataChangeListener(DataBroker dataBroker) {
49 this.dataBroker = checkNotNull(dataBroker);
50 registration = dataBroker.registerDataChangeListener(LogicalDatastoreType.OPERATIONAL, ovsdbNodeAugmentationIid(SouthboundConstants.OVSDB_TOPOLOGY_ID), this,
52 LOG.trace("NodeDataChangeListener started");
56 public void onDataChanged(AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
59 * TerminationPoint notifications with OVSDB augmentations
60 * vSwitch ports. Iterate through the list of new ports.
62 for (Entry<InstanceIdentifier<?>, DataObject> entry : change.getCreatedData().entrySet()) {
63 if (entry.getValue() instanceof OvsdbNodeAugmentation) {
64 OvsdbNodeAugmentation ovsdbNode = (OvsdbNodeAugmentation) entry.getValue();
65 processNodeNotification(ovsdbNode);
72 for (Entry<InstanceIdentifier<?>, DataObject> entry : change.getUpdatedData().entrySet()) {
73 if (entry.getValue() instanceof OvsdbNodeAugmentation) {
74 OvsdbNodeAugmentation ovsdbNode = (OvsdbNodeAugmentation) entry.getValue();
75 processNodeNotification(ovsdbNode);
82 for (InstanceIdentifier<?> iid : change.getRemovedPaths()) {
83 if (iid instanceof OvsdbTerminationPointAugmentation) {
85 * Remove the state from OfOverlay?
92 public void close() throws Exception {
97 public static void processNodeNotification(OvsdbNodeAugmentation ovsdbNode) {
98 LOG.trace("Search for provider mapping on node {}", ovsdbNode);
99 String providerPortName = getProviderMapping(ovsdbNode);
100 if (providerPortName != null) {
101 LOG.trace("Found provider mapping, creating Inventory NodeId");
102 String nodeConnectorIdString = getInventoryNodeId(ovsdbNode, providerPortName);
103 if (nodeConnectorIdString != null) {
104 LOG.trace("Adding OfOverlay External port for {}", nodeConnectorIdString);
105 String[] elements = nodeConnectorIdString.split(":");
106 String nodeIdString = elements[0] + ":" + elements[1];
107 NodeConnectorId ncid = getNodeConnectorId(nodeConnectorIdString);
108 addOfOverlayExternalPort(nodeIdString, ncid, dataBroker);
113 private static NodeConnectorId getNodeConnectorId(String nodeConnectorIdString) {
114 return new NodeConnectorId(nodeConnectorIdString);
117 public static String getProviderMapping(OvsdbNodeAugmentation ovsdbNode) {
118 if (ovsdbNode.getOpenvswitchOtherConfigs() != null) {
119 for (OpenvswitchOtherConfigs config : ovsdbNode.getOpenvswitchOtherConfigs()) {
120 if (config.getOtherConfigKey() == null || config.getOtherConfigValue() == null) {
123 if (config.getOtherConfigKey().equals(NEUTRON_PROVIDER_MAPPINGS_KEY)) {
124 String otherConfig = config.getOtherConfigValue();
125 if (otherConfig != null) {
126 String[] elements = otherConfig.split(":");
127 if (elements.length == 2) {
138 * Get the DPID and OpenFlow port of the bridge that owns the {@link TerminationPoint} in the
143 private static String getInventoryNodeId(OvsdbNodeAugmentation ovsdbNode, String externalPortName) {
144 List<ManagedNodeEntry> ovsdbNodes = ovsdbNode.getManagedNodeEntry();
145 if (ovsdbNodes == null) {
148 for (ManagedNodeEntry managedNode : ovsdbNodes) {
149 if (managedNode.getBridgeRef() != null) {
151 * Get the Node, then see if it has any TerminationPoint
152 * augmentations. If it does, check each TerminationPoint
153 * augmentation to see if it is the matching provider_mapping
155 Node node = getNodeFromBridgeRef(managedNode.getBridgeRef(), dataBroker);
157 LOG.error("Couldn't get Topology Node for {}", managedNode.getBridgeRef());
160 OvsdbBridgeAugmentation ovsdbBridge = node.getAugmentation(OvsdbBridgeAugmentation.class);
161 if (ovsdbBridge == null) {
164 for (TerminationPoint tp : node.getTerminationPoint()) {
165 OvsdbTerminationPointAugmentation tpAug = tp.getAugmentation(OvsdbTerminationPointAugmentation.class);
166 if ((tpAug == null) || (tpAug.getName() == null) || (tpAug.getOfport() == null)) {
169 if (tpAug.getName().equals(externalPortName)) {
170 return buildInventoryNcid(ovsdbBridge, tpAug);
178 private static String buildInventoryNcid(OvsdbBridgeAugmentation ovsdbBridge,
179 OvsdbTerminationPointAugmentation terminationPoint) {
180 Long macLong = getLongFromDpid(ovsdbBridge.getDatapathId().getValue());
181 return INVENTORY_PREFIX + String.valueOf(macLong) + ":" + String.valueOf(terminationPoint.getOfport());