2 * Copyright (c) 2013 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.netconf.impl.osgi;
10 import com.google.common.base.Function;
11 import com.google.common.base.Optional;
12 import com.google.common.base.Preconditions;
13 import com.google.common.collect.Collections2;
14 import com.google.common.collect.ImmutableList;
15 import com.google.common.collect.ImmutableList.Builder;
16 import com.google.common.collect.Maps;
17 import io.netty.util.internal.ConcurrentSet;
18 import java.util.ArrayList;
19 import java.util.Collection;
20 import java.util.List;
23 import java.util.concurrent.ConcurrentHashMap;
24 import javax.annotation.Nonnull;
25 import org.opendaylight.controller.netconf.api.Capability;
26 import org.opendaylight.controller.netconf.api.monitoring.NetconfManagementSession;
27 import org.opendaylight.controller.netconf.api.monitoring.NetconfMonitoringService;
28 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationServiceFactory;
29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Uri;
30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.Yang;
31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.Schemas;
32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.SchemasBuilder;
33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.Sessions;
34 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.SessionsBuilder;
35 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.schemas.Schema;
36 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.schemas.SchemaBuilder;
37 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.schemas.SchemaKey;
38 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.sessions.Session;
39 import org.slf4j.Logger;
40 import org.slf4j.LoggerFactory;
42 public class NetconfMonitoringServiceImpl implements NetconfMonitoringService {
44 private static final Schema.Location NETCONF_LOCATION = new Schema.Location(Schema.Location.Enumeration.NETCONF);
45 private static final List<Schema.Location> NETCONF_LOCATIONS = ImmutableList.of(NETCONF_LOCATION);
46 private static final Logger LOG = LoggerFactory.getLogger(NetconfMonitoringServiceImpl.class);
47 private static final Function<NetconfManagementSession, Session> SESSION_FUNCTION = new Function<NetconfManagementSession, Session>() {
49 public Session apply(@Nonnull final NetconfManagementSession input) {
50 return input.toManagementSession();
54 private final Set<NetconfManagementSession> sessions = new ConcurrentSet<>();
55 private final NetconfOperationServiceFactory netconfOperationProvider;
56 private final Map<String, Capability> capabilities = new ConcurrentHashMap<>();
57 private static final Function<Capability, String> CAPABILITY_TO_URI = new Function<Capability, String>() {
59 public String apply(final Capability input) {
60 return input.getCapabilityUri();
64 // FIXME check threadsafety
66 public NetconfMonitoringServiceImpl(final NetconfOperationServiceFactory netconfOperationProvider) {
67 this.netconfOperationProvider = netconfOperationProvider;
68 netconfOperationProvider.registerCapabilityListener(this);
72 public void onSessionUp(final NetconfManagementSession session) {
73 LOG.debug("Session {} up", session);
74 Preconditions.checkState(!sessions.contains(session), "Session %s was already added", session);
75 sessions.add(session);
79 public void onSessionDown(final NetconfManagementSession session) {
80 LOG.debug("Session {} down", session);
81 Preconditions.checkState(sessions.contains(session), "Session %s not present", session);
82 sessions.remove(session);
86 public Sessions getSessions() {
87 return new SessionsBuilder().setSession(ImmutableList.copyOf(Collections2.transform(sessions, SESSION_FUNCTION))).build();
91 public Schemas getSchemas() {
93 return transformSchemas(netconfOperationProvider.getCapabilities());
94 } catch (final RuntimeException e) {
96 } catch (final Exception e) {
97 throw new IllegalStateException("Exception while closing", e);
102 public String getSchemaForCapability(final String moduleName, final Optional<String> revision) {
104 // FIXME not effective at all
106 Map<String, Map<String, String>> mappedModulesToRevisionToSchema = Maps.newHashMap();
108 final Collection<Capability> caps = capabilities.values();
110 for (Capability cap : caps) {
111 if (!cap.getModuleName().isPresent()
112 || !cap.getRevision().isPresent()
113 || !cap.getCapabilitySchema().isPresent()){
117 final String currentModuleName = cap.getModuleName().get();
118 Map<String, String> revisionMap = mappedModulesToRevisionToSchema.get(currentModuleName);
119 if (revisionMap == null) {
120 revisionMap = Maps.newHashMap();
121 mappedModulesToRevisionToSchema.put(currentModuleName, revisionMap);
124 String currentRevision = cap.getRevision().get();
125 revisionMap.put(currentRevision, cap.getCapabilitySchema().get());
128 Map<String, String> revisionMapRequest = mappedModulesToRevisionToSchema.get(moduleName);
129 Preconditions.checkState(revisionMapRequest != null, "Capability for module %s not present, " + ""
130 + "available modules : %s", moduleName, Collections2.transform(caps, CAPABILITY_TO_URI));
132 if (revision.isPresent()) {
133 String schema = revisionMapRequest.get(revision.get());
135 Preconditions.checkState(schema != null,
136 "Capability for module %s:%s not present, available revisions for module: %s", moduleName,
137 revision.get(), revisionMapRequest.keySet());
141 Preconditions.checkState(revisionMapRequest.size() == 1,
142 "Expected 1 capability for module %s, available revisions : %s", moduleName,
143 revisionMapRequest.keySet());
144 return revisionMapRequest.values().iterator().next();
149 public Set<String> getCapabilities() {
150 return capabilities.keySet();
153 private static Schemas transformSchemas(final Set<Capability> caps) {
154 final List<Schema> schemas = new ArrayList<>(caps.size());
155 for (final Capability cap : caps) {
156 if (cap.getCapabilitySchema().isPresent()) {
157 final SchemaBuilder builder = new SchemaBuilder();
158 Preconditions.checkState(cap.getModuleNamespace().isPresent());
159 builder.setNamespace(new Uri(cap.getModuleNamespace().get()));
161 Preconditions.checkState(cap.getRevision().isPresent());
162 final String version = cap.getRevision().get();
163 builder.setVersion(version);
165 Preconditions.checkState(cap.getModuleName().isPresent());
166 final String identifier = cap.getModuleName().get();
167 builder.setIdentifier(identifier);
169 builder.setFormat(Yang.class);
171 builder.setLocation(transformLocations(cap.getLocation()));
173 builder.setKey(new SchemaKey(Yang.class, identifier, version));
175 schemas.add(builder.build());
179 return new SchemasBuilder().setSchema(schemas).build();
182 private static List<Schema.Location> transformLocations(final Collection<String> locations) {
183 if (locations.isEmpty()) {
184 return NETCONF_LOCATIONS;
187 final Builder<Schema.Location> b = ImmutableList.builder();
188 b.add(NETCONF_LOCATION);
190 for (final String location : locations) {
191 b.add(new Schema.Location(new Uri(location)));
198 public void onCapabilitiesAdded(final Set<Capability> addedCaps) {
199 // FIXME what check for duplicates
200 this.capabilities.putAll(Maps.uniqueIndex(addedCaps, CAPABILITY_TO_URI));
204 public void onCapabilitiesRemoved(final Set<Capability> addedCaps) {
205 for (final Capability addedCap : addedCaps) {
206 capabilities.remove(addedCap.getCapabilityUri());