2 * Copyright (c) 2015 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 org.opendaylight.controller.md.sal.binding.api.DataBroker;
12 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
13 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
14 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
15 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
16 import org.opendaylight.ovsdb.lib.error.SchemaVersionMismatchException;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalAugmentation;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalRef;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepPhysicalSwitchAttributes;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.ConnectionInfo;
21 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
22 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
23 import org.opendaylight.yangtools.yang.data.impl.codec.DeserializationException;
24 import org.slf4j.Logger;
25 import org.slf4j.LoggerFactory;
27 import com.google.common.base.Optional;
28 import com.google.common.base.Preconditions;
29 import com.google.common.util.concurrent.CheckedFuture;
31 public class HwvtepSouthboundUtil {
33 private static final Logger LOG = LoggerFactory.getLogger(HwvtepSouthboundUtil.class);
34 private static final String SCHEMA_VERSION_MISMATCH =
35 "{} column for {} table is not supported by this version of the {} schema: {}";
37 private static InstanceIdentifierCodec instanceIdentifierCodec;
39 private HwvtepSouthboundUtil() {
40 // Prevent instantiating a utility class
43 public static void setInstanceIdentifierCodec(InstanceIdentifierCodec iidc) {
44 instanceIdentifierCodec = iidc;
47 public static InstanceIdentifierCodec getInstanceIdentifierCodec() {
48 return instanceIdentifierCodec;
51 public static String serializeInstanceIdentifier(InstanceIdentifier<?> iid) {
52 return instanceIdentifierCodec.serialize(iid);
55 public static InstanceIdentifier<?> deserializeInstanceIdentifier(String iidString) {
56 InstanceIdentifier<?> result = null;
58 result = instanceIdentifierCodec.bindingDeserializer(iidString);
59 } catch (DeserializationException e) {
60 LOG.warn("Unable to deserialize iidString", e);
65 public static <D extends org.opendaylight.yangtools.yang.binding.DataObject> Optional<D> readNode(
66 ReadWriteTransaction transaction, final InstanceIdentifier<D> connectionIid) {
67 Optional<D> node = Optional.absent();
69 node = transaction.read(LogicalDatastoreType.OPERATIONAL, connectionIid).checkedGet();
70 } catch (final ReadFailedException e) {
71 LOG.warn("Read Operational/DS for Node failed! {}", connectionIid, e);
76 public static Optional<HwvtepGlobalAugmentation> getManagingNode(DataBroker db,
77 HwvtepPhysicalSwitchAttributes pNode) {
78 Preconditions.checkNotNull(pNode);
79 Optional<HwvtepGlobalAugmentation> result = null;
80 HwvtepGlobalRef ref = pNode.getManagedBy();
81 if (ref != null && ref.getValue() != null) {
82 result = getManagingNode(db, ref);
84 LOG.warn("Cannot find client for PhysicalSwitch without a specified ManagedBy {}", pNode);
85 return Optional.absent();
87 if (!result.isPresent()) {
88 LOG.warn("Failed to find managing node for PhysicalSwitch {}", pNode);
93 public static Optional<HwvtepGlobalAugmentation> getManagingNode(DataBroker db, HwvtepGlobalRef ref) {
95 ReadOnlyTransaction transaction = db.newReadOnlyTransaction();
96 @SuppressWarnings("unchecked")
97 // Note: erasure makes this safe in combination with the typecheck
99 InstanceIdentifier<Node> path = (InstanceIdentifier<Node>) ref.getValue();
101 CheckedFuture<Optional<Node>, ReadFailedException> nf =
102 transaction.read(LogicalDatastoreType.OPERATIONAL, path);
104 Optional<Node> optional = nf.get();
105 if (optional != null && optional.isPresent()) {
106 HwvtepGlobalAugmentation hwvtepNode = null;
107 Node node = optional.get();
108 if (node instanceof HwvtepGlobalAugmentation) {
109 hwvtepNode = (HwvtepGlobalAugmentation) node;
110 } else if (node != null) {
111 hwvtepNode = node.getAugmentation(HwvtepGlobalAugmentation.class);
113 if (hwvtepNode != null) {
114 return Optional.of(hwvtepNode);
116 LOG.warn("Hwvtep switch claims to be managed by {} but " + "that HwvtepNode does not exist",
118 return Optional.absent();
121 LOG.warn("Mysteriously got back a thing which is *not* a topology Node: {}", optional);
122 return Optional.absent();
124 } catch (Exception e) {
125 LOG.warn("Failed to get HwvtepNode {}", ref, e);
126 return Optional.absent();
129 public static String connectionInfoToString(final ConnectionInfo connectionInfo) {
130 return String.valueOf(
131 connectionInfo.getRemoteIp().getValue()) + ":" + connectionInfo.getRemotePort().getValue();
135 public static void schemaMismatchLog(String column, String table, SchemaVersionMismatchException ex) {
136 LOG.debug(SCHEMA_VERSION_MISMATCH, column, table, "hw_vtep", ex.getMessage());