/*
- * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
+ * Copyright (c) 2016 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,
*/
package org.opendaylight.netconf.impl.osgi;
-import com.google.common.base.Function;
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
-import com.google.common.collect.Collections2;
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.ImmutableList.Builder;
-import com.google.common.collect.Lists;
-import com.google.common.collect.Maps;
-import com.google.common.collect.Sets;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.HashSet;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import javax.annotation.Nonnull;
-import org.opendaylight.controller.config.util.capability.BasicCapability;
-import org.opendaylight.controller.config.util.capability.Capability;
+import java.util.Optional;
+import org.opendaylight.controller.config.threadpool.ScheduledThreadPool;
+import org.opendaylight.netconf.api.monitoring.NetconfMonitoringService;
+import org.opendaylight.netconf.api.monitoring.SessionListener;
import org.opendaylight.netconf.mapping.api.NetconfOperationServiceFactory;
import org.opendaylight.netconf.notifications.BaseNotificationPublisherRegistration;
-import org.opendaylight.netconf.api.monitoring.NetconfManagementSession;
-import org.opendaylight.netconf.api.monitoring.NetconfMonitoringService;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Uri;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.NetconfState;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.NetconfStateBuilder;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.Yang;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.Capabilities;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.CapabilitiesBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.Schemas;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.SchemasBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.Sessions;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.SessionsBuilder;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.schemas.Schema;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.schemas.SchemaBuilder;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.schemas.SchemaKey;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.sessions.Session;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.notifications.rev120206.NetconfCapabilityChange;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.notifications.rev120206.NetconfCapabilityChangeBuilder;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.notifications.rev120206.changed.by.parms.ChangedByBuilder;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.notifications.rev120206.changed.by.parms.changed.by.server.or.user.ServerBuilder;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
public class NetconfMonitoringServiceImpl implements NetconfMonitoringService, AutoCloseable {
- private static final Schema.Location NETCONF_LOCATION = new Schema.Location(Schema.Location.Enumeration.NETCONF);
- private static final List<Schema.Location> NETCONF_LOCATIONS = ImmutableList.of(NETCONF_LOCATION);
- private static final Logger LOG = LoggerFactory.getLogger(NetconfMonitoringServiceImpl.class);
- private static final Function<NetconfManagementSession, Session> SESSION_FUNCTION = new Function<NetconfManagementSession, Session>() {
- @Override
- public Session apply(@Nonnull final NetconfManagementSession input) {
- return input.toManagementSession();
- }
- };
- private static final Function<Capability, Uri> CAPABILITY_TO_URI = new Function<Capability, Uri>() {
- @Override
- public Uri apply(final Capability input) {
- return new Uri(input.getCapabilityUri());
- }
- };
-
- private final Set<NetconfManagementSession> sessions = new HashSet<>();
- private final NetconfOperationServiceFactory netconfOperationProvider;
- private final Map<Uri, Capability> capabilities = new HashMap<>();
- private final Map<String, Map<String, String>> mappedModulesToRevisionToSchema = Maps.newHashMap();
+ private final NetconfCapabilityMonitoringService capabilityMonitoring;
+ private final NetconfSessionMonitoringService sessionMonitoring;
- private final Set<MonitoringListener> listeners = Sets.newHashSet();
- private volatile BaseNotificationPublisherRegistration notificationPublisher;
-
- public NetconfMonitoringServiceImpl(final NetconfOperationServiceFactory netconfOperationProvider) {
- this.netconfOperationProvider = netconfOperationProvider;
- netconfOperationProvider.registerCapabilityListener(this);
+ public NetconfMonitoringServiceImpl(NetconfOperationServiceFactory opProvider) {
+ this(opProvider, Optional.empty(), 0);
}
- @Override
- public synchronized void onSessionUp(final NetconfManagementSession session) {
- LOG.debug("Session {} up", session);
- Preconditions.checkState(!sessions.contains(session), "Session %s was already added", session);
- sessions.add(session);
- notifyListeners();
+ public NetconfMonitoringServiceImpl(NetconfOperationServiceFactory opProvider,
+ ScheduledThreadPool threadPool,
+ long updateInterval) {
+ this(opProvider, Optional.ofNullable(threadPool), updateInterval);
}
- @Override
- public synchronized void onSessionDown(final NetconfManagementSession session) {
- LOG.debug("Session {} down", session);
- Preconditions.checkState(sessions.contains(session), "Session %s not present", session);
- sessions.remove(session);
- notifyListeners();
- }
+ public NetconfMonitoringServiceImpl(NetconfOperationServiceFactory opProvider,
+ Optional<ScheduledThreadPool> threadPool,
+ long updateInterval) {
+ this.capabilityMonitoring = new NetconfCapabilityMonitoringService(opProvider);
+ this.sessionMonitoring = new NetconfSessionMonitoringService(threadPool, updateInterval);
- @Override
- public synchronized Sessions getSessions() {
- return new SessionsBuilder().setSession(ImmutableList.copyOf(Collections2.transform(sessions, SESSION_FUNCTION))).build();
}
@Override
- public synchronized Schemas getSchemas() {
- try {
- return transformSchemas(netconfOperationProvider.getCapabilities());
- } catch (final RuntimeException e) {
- throw e;
- } catch (final Exception e) {
- throw new IllegalStateException("Exception while closing", e);
- }
+ public Sessions getSessions() {
+ return sessionMonitoring.getSessions();
}
@Override
- public synchronized String getSchemaForCapability(final String moduleName, final Optional<String> revision) {
-
- Map<String, String> revisionMapRequest = mappedModulesToRevisionToSchema.get(moduleName);
- Preconditions.checkState(revisionMapRequest != null, "Capability for module %s not present, " + ""
- + "available modules : %s", moduleName, Collections2.transform(capabilities.values(), CAPABILITY_TO_URI));
-
- if (revision.isPresent()) {
- String schema = revisionMapRequest.get(revision.get());
-
- Preconditions.checkState(schema != null,
- "Capability for module %s:%s not present, available revisions for module: %s", moduleName,
- revision.get(), revisionMapRequest.keySet());
-
- return schema;
- } else {
- Preconditions.checkState(revisionMapRequest.size() == 1,
- "Expected 1 capability for module %s, available revisions : %s", moduleName,
- revisionMapRequest.keySet());
- return revisionMapRequest.values().iterator().next();
- }
- }
-
- private synchronized void updateCapabilityToSchemaMap(final Set<Capability> added, final Set<Capability> removed) {
- for (final Capability cap : added) {
- if (!isValidModuleCapability(cap)){
- continue;
- }
-
- final String currentModuleName = cap.getModuleName().get();
- Map<String, String> revisionMap = mappedModulesToRevisionToSchema.get(currentModuleName);
- if (revisionMap == null) {
- revisionMap = Maps.newHashMap();
- mappedModulesToRevisionToSchema.put(currentModuleName, revisionMap);
- }
-
- final String currentRevision = cap.getRevision().get();
- revisionMap.put(currentRevision, cap.getCapabilitySchema().get());
- }
- for (final Capability cap : removed) {
- if (!isValidModuleCapability(cap)){
- continue;
- }
- final Map<String, String> revisionMap = mappedModulesToRevisionToSchema.get(cap.getModuleName().get());
- if (revisionMap != null) {
- revisionMap.remove(cap.getRevision().get());
- if (revisionMap.isEmpty()) {
- mappedModulesToRevisionToSchema.remove(cap.getModuleName().get());
- }
- }
- }
- }
-
- private boolean isValidModuleCapability(Capability cap) {
- return cap.getModuleName().isPresent()
- && cap.getRevision().isPresent()
- && cap.getCapabilitySchema().isPresent();
+ public SessionListener getSessionListener() {
+ return sessionMonitoring;
}
@Override
- public synchronized Capabilities getCapabilities() {
- return new CapabilitiesBuilder().setCapability(Lists.newArrayList(capabilities.keySet())).build();
+ public Schemas getSchemas() {
+ return capabilityMonitoring.getSchemas();
}
@Override
- public synchronized AutoCloseable registerListener(final MonitoringListener listener) {
- listeners.add(listener);
- listener.onStateChanged(getCurrentNetconfState());
- return new AutoCloseable() {
- @Override
- public void close() throws Exception {
- listeners.remove(listener);
- }
- };
- }
-
- private NetconfState getCurrentNetconfState() {
- return new NetconfStateBuilder()
- .setCapabilities(getCapabilities())
- .setSchemas(getSchemas())
- .setSessions(getSessions())
- .build();
- }
-
- private static Schemas transformSchemas(final Set<Capability> caps) {
- final List<Schema> schemas = new ArrayList<>(caps.size());
- for (final Capability cap : caps) {
- if (cap.getCapabilitySchema().isPresent()) {
- final SchemaBuilder builder = new SchemaBuilder();
- Preconditions.checkState(cap.getModuleNamespace().isPresent());
- builder.setNamespace(new Uri(cap.getModuleNamespace().get()));
-
- Preconditions.checkState(cap.getRevision().isPresent());
- final String version = cap.getRevision().get();
- builder.setVersion(version);
-
- Preconditions.checkState(cap.getModuleName().isPresent());
- final String identifier = cap.getModuleName().get();
- builder.setIdentifier(identifier);
-
- builder.setFormat(Yang.class);
-
- builder.setLocation(transformLocations(cap.getLocation()));
-
- builder.setKey(new SchemaKey(Yang.class, identifier, version));
-
- schemas.add(builder.build());
- }
- }
-
- return new SchemasBuilder().setSchema(schemas).build();
- }
-
- private static List<Schema.Location> transformLocations(final Collection<String> locations) {
- if (locations.isEmpty()) {
- return NETCONF_LOCATIONS;
- }
-
- final Builder<Schema.Location> b = ImmutableList.builder();
- b.add(NETCONF_LOCATION);
-
- for (final String location : locations) {
- b.add(new Schema.Location(new Uri(location)));
- }
-
- return b.build();
- }
-
- public static Set<Capability> setupCapabilities(final Set<Capability> caps) {
- Set<Capability> capabilities = new HashSet<>(caps);
- capabilities.add(new BasicCapability("urn:ietf:params:netconf:capability:candidate:1.0"));
- // TODO rollback on error not supported EditConfigXmlParser:100
- // [RFC6241] 8.5. Rollback-on-Error Capability
- // capabilities.add(new BasicCapability("urn:ietf:params:netconf:capability:rollback-on-error:1.0"));
- return capabilities;
+ public String getSchemaForCapability(String moduleName, Optional<String> revision) {
+ return capabilityMonitoring.getSchemaForModuleRevision(moduleName, revision);
}
@Override
- public synchronized void close() throws Exception {
- listeners.clear();
- sessions.clear();
- capabilities.clear();
+ public Capabilities getCapabilities() {
+ return capabilityMonitoring.getCapabilities();
}
@Override
- public void onCapabilitiesChanged(Set<Capability> added, Set<Capability> removed) {
- onCapabilitiesAdded(added);
- onCapabilitiesRemoved(removed);
- updateCapabilityToSchemaMap(added, removed);
- notifyListeners();
-
- // publish notification to notification collector about changed capabilities
- if (notificationPublisher != null) {
- notificationPublisher.onCapabilityChanged(computeDiff(added, removed));
- }
- }
-
- static NetconfCapabilityChange computeDiff(final Set<Capability> added, final Set<Capability> removed) {
- final NetconfCapabilityChangeBuilder netconfCapabilityChangeBuilder = new NetconfCapabilityChangeBuilder();
- netconfCapabilityChangeBuilder.setChangedBy(new ChangedByBuilder().setServerOrUser(new ServerBuilder().setServer(true).build()).build());
- netconfCapabilityChangeBuilder.setDeletedCapability(Lists.newArrayList(Collections2.transform(removed, CAPABILITY_TO_URI)));
- netconfCapabilityChangeBuilder.setAddedCapability(Lists.newArrayList(Collections2.transform(added, CAPABILITY_TO_URI)));
- // TODO modified should be computed ... but why ?
- netconfCapabilityChangeBuilder.setModifiedCapability(Collections.<Uri>emptyList());
- return netconfCapabilityChangeBuilder.build();
+ public AutoCloseable registerCapabilitiesListener(CapabilitiesListener listener) {
+ return capabilityMonitoring.registerListener(listener);
}
-
- private synchronized void onCapabilitiesAdded(final Set<Capability> addedCaps) {
- this.capabilities.putAll(Maps.uniqueIndex(setupCapabilities(addedCaps), CAPABILITY_TO_URI));
- }
-
- private void notifyListeners() {
- for (final MonitoringListener listener : listeners) {
- listener.onStateChanged(getCurrentNetconfState());
- }
+ @Override
+ public AutoCloseable registerSessionsListener(SessionsListener listener) {
+ return sessionMonitoring.registerListener(listener);
}
- private synchronized void onCapabilitiesRemoved(final Set<Capability> addedCaps) {
- for (final Capability addedCap : addedCaps) {
- capabilities.remove(CAPABILITY_TO_URI.apply(addedCap));
- }
+ public void setNotificationPublisher(BaseNotificationPublisherRegistration notificationPublisher) {
+ this.capabilityMonitoring.setNotificationPublisher(notificationPublisher);
}
- public void setNotificationPublisher(final BaseNotificationPublisherRegistration notificationPublisher) {
- this.notificationPublisher = notificationPublisher;
+ @Override
+ public void close() {
+ capabilityMonitoring.close();
+ sessionMonitoring.close();
}
}