+++ /dev/null
-/*
- * Copyright (c) 2015 Cisco Systems, Inc. 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.controller.messagebus.eventsources.netconf;
-
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
-import java.util.List;
-import org.opendaylight.controller.md.sal.binding.api.MountPoint;
-import org.opendaylight.controller.md.sal.dom.api.DOMMountPoint;
-import org.opendaylight.controller.messagebus.spi.EventSourceRegistration;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeFields.ConnectionStatus;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.network.topology.topology.topology.types.TopologyNetconf;
-import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
-import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
-import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
-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.common.QName;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * Helper class to keep connection status of netconf node and event source registration object
- */
-public class NetconfEventSourceRegistration implements AutoCloseable {
-
- private static final Logger LOG = LoggerFactory.getLogger(NetconfEventSourceRegistration.class);
- private static final YangInstanceIdentifier NETCONF_DEVICE_DOM_PATH = YangInstanceIdentifier.builder()
- .node(NetworkTopology.QNAME).node(Topology.QNAME)
- .nodeWithKey(Topology.QNAME, QName.create(Topology.QNAME, "topology-id"), TopologyNetconf.QNAME.getLocalName())
- .node(Node.QNAME).build();
- private static final QName NODE_ID_QNAME = QName.create(Node.QNAME, "node-id");
- private static final String NotificationCapabilityPrefix = "(urn:ietf:params:xml:ns:netconf:notification";
-
- private final Node node;
- private final InstanceIdentifier<?> instanceIdent;
- private final NetconfEventSourceManager netconfEventSourceManager;
- private ConnectionStatus currentNetconfConnStatus;
- private EventSourceRegistration<NetconfEventSource> eventSourceRegistration;
-
- public static NetconfEventSourceRegistration create(final InstanceIdentifier<?> instanceIdent, final Node node,
- final NetconfEventSourceManager netconfEventSourceManager) {
- Preconditions.checkNotNull(instanceIdent);
- Preconditions.checkNotNull(node);
- Preconditions.checkNotNull(netconfEventSourceManager);
- if (isEventSource(node) == false) {
- return null;
- }
- NetconfEventSourceRegistration nesr = new NetconfEventSourceRegistration(instanceIdent, node,
- netconfEventSourceManager);
- nesr.updateStatus();
- LOG.debug("NetconfEventSourceRegistration for node {} has been initialized...", node.getNodeId().getValue());
- return nesr;
- }
-
- private static boolean isEventSource(final Node node) {
- final NetconfNode netconfNode = node.getAugmentation(NetconfNode.class);
- if (netconfNode == null) {
- return false;
- }
- if (netconfNode.getAvailableCapabilities() == null) {
- return false;
- }
- final List<String> capabilities = netconfNode.getAvailableCapabilities().getAvailableCapability();
- if (capabilities == null || capabilities.isEmpty()) {
- return false;
- }
- for (final String capability : netconfNode.getAvailableCapabilities().getAvailableCapability()) {
- if (capability.startsWith(NotificationCapabilityPrefix)) {
- return true;
- }
- }
-
- return false;
- }
-
- private NetconfEventSourceRegistration(final InstanceIdentifier<?> instanceIdent, final Node node,
- final NetconfEventSourceManager netconfEventSourceManager) {
- this.instanceIdent = instanceIdent;
- this.node = node;
- this.netconfEventSourceManager = netconfEventSourceManager;
- this.eventSourceRegistration = null;
- }
-
- public Node getNode() {
- return node;
- }
-
- Optional<EventSourceRegistration<NetconfEventSource>> getEventSourceRegistration() {
- return Optional.fromNullable(eventSourceRegistration);
- }
-
- NetconfNode getNetconfNode() {
- return node.getAugmentation(NetconfNode.class);
- }
-
- void updateStatus() {
- ConnectionStatus netconfConnStatus = getNetconfNode().getConnectionStatus();
- LOG.info("Change status on node {}, new status is {}", this.node.getNodeId().getValue(), netconfConnStatus);
- if (netconfConnStatus.equals(currentNetconfConnStatus)) {
- return;
- }
- changeStatus(netconfConnStatus);
- }
-
- private boolean checkConnectionStatusType(ConnectionStatus status) {
- if (status == ConnectionStatus.Connected || status == ConnectionStatus.Connecting
- || status == ConnectionStatus.UnableToConnect) {
- return true;
- }
- return false;
- }
-
- private void changeStatus(ConnectionStatus newStatus) {
- Preconditions.checkNotNull(newStatus);
- if (checkConnectionStatusType(newStatus) == false) {
- throw new IllegalStateException("Unknown new Netconf Connection Status");
- }
- if (this.currentNetconfConnStatus == null) {
- if (newStatus == ConnectionStatus.Connected) {
- registrationEventSource();
- }
- } else if (this.currentNetconfConnStatus == ConnectionStatus.Connecting) {
- if (newStatus == ConnectionStatus.Connected) {
- if (this.eventSourceRegistration == null) {
- registrationEventSource();
- } else {
- // reactivate stream on registered event source (invoke publish notification about connection)
- this.eventSourceRegistration.getInstance().reActivateStreams();
- }
- }
- } else if (this.currentNetconfConnStatus == ConnectionStatus.Connected) {
-
- if (newStatus == ConnectionStatus.Connecting || newStatus == ConnectionStatus.UnableToConnect) {
- // deactivate streams on registered event source (invoke publish notification about connection)
- this.eventSourceRegistration.getInstance().deActivateStreams();
- }
- } else if (this.currentNetconfConnStatus == ConnectionStatus.UnableToConnect) {
- if (newStatus == ConnectionStatus.Connected) {
- if (this.eventSourceRegistration == null) {
- registrationEventSource();
- } else {
- // reactivate stream on registered event source (invoke publish notification about connection)
- this.eventSourceRegistration.getInstance().reActivateStreams();
- }
- }
- } else {
- throw new IllegalStateException("Unknown current Netconf Connection Status");
- }
- this.currentNetconfConnStatus = newStatus;
- }
-
- private void registrationEventSource() {
- final Optional<MountPoint> mountPoint = netconfEventSourceManager.getMountPointService()
- .getMountPoint(instanceIdent);
- final Optional<DOMMountPoint> domMountPoint = netconfEventSourceManager.getDomMounts()
- .getMountPoint(domMountPath(node.getNodeId()));
- EventSourceRegistration<NetconfEventSource> registration = null;
- if (domMountPoint.isPresent() && mountPoint.isPresent()) {
- final NetconfEventSource netconfEventSource = new NetconfEventSource(node,
- netconfEventSourceManager.getStreamMap(), domMountPoint.get(), mountPoint.get(),
- netconfEventSourceManager.getPublishService());
- registration = netconfEventSourceManager.getEventSourceRegistry().registerEventSource(netconfEventSource);
- LOG.info("Event source {} has been registered", node.getNodeId().getValue());
- }
- this.eventSourceRegistration = registration;
- }
-
- private YangInstanceIdentifier domMountPath(final NodeId nodeId) {
- return YangInstanceIdentifier.builder(NETCONF_DEVICE_DOM_PATH)
- .nodeWithKey(Node.QNAME, NODE_ID_QNAME, nodeId.getValue()).build();
- }
-
- private void closeEventSourceRegistration() {
- if (getEventSourceRegistration().isPresent()) {
- getEventSourceRegistration().get().close();
- }
- }
-
- @Override public void close() {
- closeEventSourceRegistration();
- }
-
-}
Code Review / controller.git / blobdiff