/*
- * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
+ * Copyright (c) 2015 Ericsson India Global Services Pvt Ltd. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
+
package org.opendaylight.ovsdb.hwvtepsouthbound;
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
+import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
+import org.opendaylight.ovsdb.lib.error.SchemaVersionMismatchException;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalRef;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepPhysicalSwitchAttributes;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.ConnectionInfo;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.opendaylight.yangtools.yang.data.impl.codec.DeserializationException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
+import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
+import com.google.common.util.concurrent.CheckedFuture;
+
public class HwvtepSouthboundUtil {
private static final Logger LOG = LoggerFactory.getLogger(HwvtepSouthboundUtil.class);
+ private static final String SCHEMA_VERSION_MISMATCH =
+ "{} column for {} table is not supported by this version of the {} schema: {}";
private static InstanceIdentifierCodec instanceIdentifierCodec;
return result;
}
+ public static <D extends org.opendaylight.yangtools.yang.binding.DataObject> Optional<D> readNode(
+ ReadWriteTransaction transaction, final InstanceIdentifier<D> connectionIid) {
+ Optional<D> node = Optional.absent();
+ try {
+ node = transaction.read(LogicalDatastoreType.OPERATIONAL, connectionIid).checkedGet();
+ } catch (final ReadFailedException e) {
+ LOG.warn("Read Operational/DS for Node failed! {}", connectionIid, e);
+ }
+ return node;
+ }
+
+ public static Optional<HwvtepGlobalAugmentation> getManagingNode(DataBroker db,
+ HwvtepPhysicalSwitchAttributes pNode) {
+ Preconditions.checkNotNull(pNode);
+ Optional<HwvtepGlobalAugmentation> result = null;
+ HwvtepGlobalRef ref = pNode.getManagedBy();
+ if (ref != null && ref.getValue() != null) {
+ result = getManagingNode(db, ref);
+ } else {
+ LOG.warn("Cannot find client for PhysicalSwitch without a specified ManagedBy {}", pNode);
+ return Optional.absent();
+ }
+ if (!result.isPresent()) {
+ LOG.warn("Failed to find managing node for PhysicalSwitch {}", pNode);
+ }
+ return result;
+ }
+
+ public static Optional<HwvtepGlobalAugmentation> getManagingNode(DataBroker db, HwvtepGlobalRef ref) {
+ try {
+ ReadOnlyTransaction transaction = db.newReadOnlyTransaction();
+ @SuppressWarnings("unchecked")
+ // Note: erasure makes this safe in combination with the typecheck
+ // below
+ InstanceIdentifier<Node> path = (InstanceIdentifier<Node>) ref.getValue();
+ CheckedFuture<Optional<Node>, ReadFailedException> nf =
+ transaction.read(LogicalDatastoreType.OPERATIONAL, path);
+ transaction.close();
+ Optional<Node> optional = nf.get();
+ if (optional != null && optional.isPresent()) {
+ HwvtepGlobalAugmentation hwvtepNode = null;
+ Node node = optional.get();
+ if (node instanceof HwvtepGlobalAugmentation) {
+ hwvtepNode = (HwvtepGlobalAugmentation) node;
+ } else if (node != null) {
+ hwvtepNode = node.getAugmentation(HwvtepGlobalAugmentation.class);
+ }
+ if (hwvtepNode != null) {
+ return Optional.of(hwvtepNode);
+ } else {
+ LOG.warn("Hwvtep switch claims to be managed by {} but " + "that HwvtepNode does not exist",
+ ref.getValue());
+ return Optional.absent();
+ }
+ } else {
+ LOG.warn("Mysteriously got back a thing which is *not* a topology Node: {}", optional);
+ return Optional.absent();
+ }
+ } catch (Exception e) {
+ LOG.warn("Failed to get HwvtepNode {}", ref, e);
+ return Optional.absent();
+ }
+ }
+ public static String connectionInfoToString(final ConnectionInfo connectionInfo) {
+ return String.valueOf(
+ connectionInfo.getRemoteIp().getValue()) + ":" + connectionInfo.getRemotePort().getValue();
+ }
+
+
+ public static void schemaMismatchLog(String column, String table, SchemaVersionMismatchException ex) {
+ LOG.debug(SCHEMA_VERSION_MISMATCH, column, table, "hw_vtep", ex.getMessage());
+ }
}