2 * Copyright (c) 2014 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
8 package org.opendaylight.controller.sal.connect.netconf.sal;
10 import com.google.common.base.Preconditions;
11 import java.util.Collection;
12 import java.util.Collections;
13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
14 import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
15 import org.opendaylight.controller.md.sal.dom.api.DOMMountPoint;
16 import org.opendaylight.controller.md.sal.dom.api.DOMMountPointService;
17 import org.opendaylight.controller.md.sal.dom.api.DOMNotification;
18 import org.opendaylight.controller.md.sal.dom.api.DOMNotificationService;
19 import org.opendaylight.controller.md.sal.dom.api.DOMRpcService;
20 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
21 import org.opendaylight.controller.sal.binding.api.BindingAwareProvider;
22 import org.opendaylight.controller.sal.connect.util.RemoteDeviceId;
23 import org.opendaylight.controller.sal.core.api.Broker;
24 import org.opendaylight.controller.sal.core.api.Provider;
25 import org.opendaylight.yangtools.concepts.ObjectRegistration;
26 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
27 import org.slf4j.Logger;
28 import org.slf4j.LoggerFactory;
30 final class NetconfDeviceSalProvider implements AutoCloseable, Provider, BindingAwareProvider {
32 private static final Logger LOG = LoggerFactory.getLogger(NetconfDeviceSalProvider.class);
34 private final RemoteDeviceId id;
35 private MountInstance mountInstance;
37 private volatile NetconfDeviceTopologyAdapter topologyDatastoreAdapter;
39 public NetconfDeviceSalProvider(final RemoteDeviceId deviceId) {
43 public MountInstance getMountInstance() {
44 Preconditions.checkState(mountInstance != null,
45 "%s: Mount instance was not initialized by sal. Cannot get mount instance", id);
49 public NetconfDeviceTopologyAdapter getTopologyDatastoreAdapter() {
50 Preconditions.checkState(topologyDatastoreAdapter != null,
51 "%s: Sal provider %s was not initialized by sal. Cannot get topology datastore adapter", id);
52 return topologyDatastoreAdapter;
56 public void onSessionInitiated(final Broker.ProviderSession session) {
57 LOG.debug("{}: (BI)Session with sal established {}", id, session);
59 final DOMMountPointService mountService = session.getService(DOMMountPointService.class);
60 if (mountService != null) {
61 mountInstance = new MountInstance(mountService, id);
66 public Collection<Provider.ProviderFunctionality> getProviderFunctionality() {
67 return Collections.emptySet();
71 public void onSessionInitiated(final BindingAwareBroker.ProviderContext session) {
72 LOG.debug("{}: Session with sal established {}", id, session);
74 final DataBroker dataBroker = session.getSALService(DataBroker.class);
76 topologyDatastoreAdapter = new NetconfDeviceTopologyAdapter(id, dataBroker);
79 public void close() throws Exception {
80 mountInstance.close();
81 topologyDatastoreAdapter.close();
82 topologyDatastoreAdapter = null;
85 static final class MountInstance implements AutoCloseable {
87 private DOMMountPointService mountService;
88 private final RemoteDeviceId id;
89 private NetconfDeviceNotificationService notificationService;
91 private ObjectRegistration<DOMMountPoint> topologyRegistration;
93 MountInstance(final DOMMountPointService mountService, final RemoteDeviceId id) {
94 this.mountService = Preconditions.checkNotNull(mountService);
95 this.id = Preconditions.checkNotNull(id);
98 synchronized void onTopologyDeviceConnected(final SchemaContext initialCtx,
99 final DOMDataBroker broker, final DOMRpcService rpc,
100 final NetconfDeviceNotificationService notificationService) {
102 Preconditions.checkNotNull(mountService, "Closed");
103 Preconditions.checkState(topologyRegistration == null, "Already initialized");
105 final DOMMountPointService.DOMMountPointBuilder mountBuilder = mountService.createMountPoint(id.getTopologyPath());
106 mountBuilder.addInitialSchemaContext(initialCtx);
108 mountBuilder.addService(DOMDataBroker.class, broker);
109 mountBuilder.addService(DOMRpcService.class, rpc);
110 mountBuilder.addService(DOMNotificationService.class, notificationService);
111 this.notificationService = notificationService;
113 topologyRegistration = mountBuilder.register();
114 LOG.debug("{}: TOPOLOGY Mountpoint exposed into MD-SAL {}", id,
115 topologyRegistration);
119 synchronized void onTopologyDeviceDisconnected() {
120 if(topologyRegistration == null) {
122 "{}: Not removing TOPOLOGY mountpoint from MD-SAL, mountpoint was not registered yet",
128 topologyRegistration.close();
129 } catch (final Exception e) {
130 // Only log and ignore
132 "Unable to unregister mount instance for {}. Ignoring exception",
133 id.getTopologyPath(), e);
135 LOG.debug("{}: TOPOLOGY Mountpoint removed from MD-SAL {}",
136 id, topologyRegistration);
137 topologyRegistration = null;
142 synchronized public void close() throws Exception {
143 onTopologyDeviceDisconnected();
147 public synchronized void publish(final DOMNotification domNotification) {
148 Preconditions.checkNotNull(notificationService, "Device not set up yet, cannot handle notification {}", domNotification);
149 notificationService.publishNotification(domNotification);