2 * Copyright (c) 2015, 2017 Ericsson India Global Services Pvt Ltd. 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.ovsdb.hwvtepsouthbound;
11 import com.google.common.base.Preconditions;
12 import com.google.common.util.concurrent.ThreadFactoryBuilder;
14 import java.util.Collection;
16 import java.util.Optional;
17 import java.util.concurrent.ConcurrentHashMap;
18 import java.util.concurrent.ExecutionException;
19 import java.util.concurrent.Executors;
20 import java.util.concurrent.ScheduledExecutorService;
22 import org.opendaylight.mdsal.binding.api.DataBroker;
23 import org.opendaylight.mdsal.binding.api.ReadTransaction;
24 import org.opendaylight.mdsal.binding.api.ReadWriteTransaction;
25 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
26 import org.opendaylight.ovsdb.lib.error.SchemaVersionMismatchException;
27 import org.opendaylight.ovsdb.utils.mdsal.utils.ControllerMdsalUtils;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalAugmentation;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalRef;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepPhysicalSwitchAttributes;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.ConnectionInfo;
32 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
33 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
34 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
35 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
36 import org.opendaylight.yangtools.yang.binding.DataObject;
37 import org.opendaylight.yangtools.yang.binding.Identifiable;
38 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
39 import org.opendaylight.yangtools.yang.data.impl.codec.DeserializationException;
40 import org.slf4j.Logger;
41 import org.slf4j.LoggerFactory;
43 public final class HwvtepSouthboundUtil {
45 private static final Logger LOG = LoggerFactory.getLogger(HwvtepSouthboundUtil.class);
46 private static final String SCHEMA_VERSION_MISMATCH =
47 "{} column for {} table is not supported by this version of the {} schema: {}";
49 private static InstanceIdentifierCodec instanceIdentifierCodec;
51 private static ScheduledExecutorService scheduledExecutorService = Executors
52 .newSingleThreadScheduledExecutor(new ThreadFactoryBuilder()
53 .setNameFormat("hwvteputil-executor-service-%d").build());
55 private HwvtepSouthboundUtil() {
56 // Prevent instantiating a utility class
59 public static void setInstanceIdentifierCodec(InstanceIdentifierCodec iidc) {
60 instanceIdentifierCodec = iidc;
63 public static InstanceIdentifierCodec getInstanceIdentifierCodec() {
64 return instanceIdentifierCodec;
67 public static String serializeInstanceIdentifier(InstanceIdentifier<?> iid) {
68 return instanceIdentifierCodec.serialize(iid);
71 public static InstanceIdentifier<?> deserializeInstanceIdentifier(String iidString) {
72 InstanceIdentifier<?> result = null;
74 result = instanceIdentifierCodec.bindingDeserializer(iidString);
75 } catch (DeserializationException e) {
76 LOG.warn("Unable to deserialize iidString", e);
81 public static <D extends org.opendaylight.yangtools.yang.binding.DataObject> Optional<D> readNode(
83 LogicalDatastoreType logicalDatastoreType, final InstanceIdentifier<D> connectionIid) {
84 if (logicalDatastoreType == LogicalDatastoreType.OPERATIONAL) {
85 Node node = HwvtepOperGlobalListener.getNode((InstanceIdentifier<Node>) connectionIid);
87 return Optional.of((D)node);
89 LOG.debug("Node not available in cache. Read from datastore - {}", connectionIid);
92 try (ReadTransaction transaction = db.newReadOnlyTransaction()) {
93 return transaction.read(logicalDatastoreType, connectionIid).get();
94 } catch (InterruptedException | ExecutionException e) {
95 LOG.error("Read failed from datastore for Node : {}",connectionIid,e);
96 throw new RuntimeException(e);
100 public static <D extends org.opendaylight.yangtools.yang.binding.DataObject> Optional<D> readNode(
101 ReadTransaction transaction,
102 LogicalDatastoreType logicalDatastoreType, final InstanceIdentifier<D> connectionIid) {
103 if (logicalDatastoreType == LogicalDatastoreType.OPERATIONAL) {
104 Node node = HwvtepOperGlobalListener.getNode((InstanceIdentifier<Node>) connectionIid);
106 return Optional.of((D)node);
108 LOG.debug("Node not available in cache. Read from datastore - {}", connectionIid);
112 return transaction.read(logicalDatastoreType, connectionIid).get();
113 } catch (InterruptedException | ExecutionException e) {
114 LOG.error("Read failed from datastore for Node : {}",connectionIid,e);
115 throw new RuntimeException(e);
119 public static <D extends org.opendaylight.yangtools.yang.binding.DataObject> Optional<D> readNode(
120 ReadWriteTransaction transaction, final InstanceIdentifier<D> connectionIid) {
121 return readNode(transaction, LogicalDatastoreType.OPERATIONAL, connectionIid);
124 public static <D extends DataObject> Optional<D> readNode(ReadWriteTransaction transaction,
125 LogicalDatastoreType logicalDatastoreType,
126 InstanceIdentifier<D> connectionIid) {
127 if (logicalDatastoreType == LogicalDatastoreType.OPERATIONAL) {
128 Node node = HwvtepOperGlobalListener.getNode((InstanceIdentifier<Node>) connectionIid);
130 return Optional.of((D)node);
132 LOG.debug("Node not available in cache. Read from datastore - {}", connectionIid);
136 return transaction.read(logicalDatastoreType, connectionIid).get();
137 } catch (InterruptedException | ExecutionException e) {
138 LOG.error("Read failed from datastore for Node : {}",connectionIid,e);
139 throw new RuntimeException(e);
143 public static Optional<HwvtepGlobalAugmentation> getManagingNode(DataBroker db,
144 HwvtepPhysicalSwitchAttributes node) {
145 Preconditions.checkNotNull(node);
146 Optional<HwvtepGlobalAugmentation> result = null;
147 HwvtepGlobalRef ref = node.getManagedBy();
148 if (ref != null && ref.getValue() != null) {
149 result = getManagingNode(db, ref);
151 LOG.warn("Cannot find client for PhysicalSwitch without a specified ManagedBy {}", node);
152 return Optional.empty();
154 if (!result.isPresent()) {
155 LOG.warn("Failed to find managing node for PhysicalSwitch {}", node);
160 @SuppressWarnings("checkstyle:IllegalCatch")
161 public static Optional<HwvtepGlobalAugmentation> getManagingNode(DataBroker db, HwvtepGlobalRef ref) {
163 @SuppressWarnings("unchecked")
164 // Note: erasure makes this safe in combination with the typecheck
166 InstanceIdentifier<Node> path = (InstanceIdentifier<Node>) ref.getValue();
168 Optional<Node> optional = new ControllerMdsalUtils(db).readOptional(LogicalDatastoreType.OPERATIONAL, path);
169 if (optional != null && optional.isPresent()) {
170 HwvtepGlobalAugmentation hwvtepNode = null;
171 Node node = optional.get();
172 if (node instanceof HwvtepGlobalAugmentation) {
173 hwvtepNode = (HwvtepGlobalAugmentation) node;
174 } else if (node != null) {
175 hwvtepNode = node.augmentation(HwvtepGlobalAugmentation.class);
177 if (hwvtepNode != null) {
178 return Optional.of(hwvtepNode);
180 LOG.warn("Hwvtep switch claims to be managed by {} but " + "that HwvtepNode does not exist",
182 return Optional.empty();
185 LOG.warn("Mysteriously got back a thing which is *not* a topology Node: {}", optional);
186 return Optional.empty();
188 } catch (RuntimeException e) {
189 LOG.warn("Failed to get HwvtepNode {}", ref, e);
190 return Optional.empty();
194 public static String connectionInfoToString(final ConnectionInfo connectionInfo) {
195 return connectionInfo.getRemoteIp().stringValue() + ":" + connectionInfo.getRemotePort().getValue();
199 public static void schemaMismatchLog(String column, String table, SchemaVersionMismatchException ex) {
200 LOG.debug(SCHEMA_VERSION_MISMATCH, column, table, "hw_vtep", ex.getMessage());
203 public static <K, D> void updateData(Map<Class<? extends Identifiable>, Map<K, D>> map,
204 Class<? extends Identifiable> cls, K key, D data) {
205 LOG.debug("Updating data {} {} {}", cls, key, data);
209 if (!map.containsKey(cls)) {
210 map.put(cls, new ConcurrentHashMap<>());
212 map.get(cls).put(key, data);
215 public static <K, D> D getData(Map<Class<? extends Identifiable>, Map<K, D>> map,
216 Class<? extends Identifiable> cls, K key) {
220 if (map.containsKey(cls)) {
221 return map.get(cls).get(key);
226 public static <K, D> boolean containsKey(Map<Class<? extends Identifiable>, Map<K, D>> map,
227 Class<? extends Identifiable> cls, K key) {
231 if (map.containsKey(cls)) {
232 return map.get(cls).containsKey(key);
237 public static <K, D> void clearData(Map<Class<? extends Identifiable>, Map<K, D>> map,
238 Class<? extends Identifiable> cls, K key) {
239 LOG.debug("Clearing data {} {}", cls, key);
243 if (map.containsKey(cls)) {
244 map.get(cls).remove(key);
248 public static <T> boolean isEmpty(Collection<T> list) {
249 return list == null || list.isEmpty();
252 public static boolean isEmptyMap(Map map) {
253 return map == null || map.isEmpty();
256 public static InstanceIdentifier<Node> getGlobalNodeIid(final InstanceIdentifier<Node> physicalNodeIid) {
257 String nodeId = physicalNodeIid.firstKeyOf(Node.class).getNodeId().getValue();
258 int physicalSwitchIndex = nodeId.indexOf(HwvtepSouthboundConstants.PSWITCH_URI_PREFIX);
259 if (physicalSwitchIndex > 0) {
260 nodeId = nodeId.substring(0, physicalSwitchIndex - 1);
264 return physicalNodeIid.firstIdentifierOf(Topology.class).child(Node.class , new NodeKey(new NodeId(nodeId)));
267 public static Integer getRemotePort(Node node) {
268 HwvtepGlobalAugmentation augmentation = node.augmentation(HwvtepGlobalAugmentation.class);
269 if (augmentation != null && augmentation.getConnectionInfo() != null) {
270 return augmentation.getConnectionInfo().getRemotePort().getValue().toJava();
275 public static ScheduledExecutorService getScheduledExecutorService() {
276 return scheduledExecutorService;