opendaylight/netconf/netconf-impl/src/main/java/org/opendaylight/controller/netconf/impl/osgi/NetconfMonitoringServiceImpl.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.controller.netconf.impl.osgi;
   9
  10 import com.google.common.base.Function;
  11 import com.google.common.base.Preconditions;
  12 import com.google.common.collect.Collections2;
  13 import com.google.common.collect.Lists;
  14 import com.google.common.collect.Sets;
  15 import io.netty.util.internal.ConcurrentSet;
  16 import org.opendaylight.controller.netconf.api.monitoring.NetconfManagementSession;
  17 import org.opendaylight.controller.netconf.api.monitoring.NetconfMonitoringService;
  18 import org.opendaylight.controller.netconf.mapping.api.Capability;
  19 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationService;
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Uri;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.Yang;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.Schemas;
  23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.SchemasBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.Sessions;
  25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.SessionsBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.schemas.Schema;
  27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.schemas.SchemaBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.schemas.SchemaKey;
  29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.sessions.Session;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 import javax.annotation.Nullable;
  34 import java.util.Collections;
  35 import java.util.List;
  36 import java.util.Set;
  37
  38 public class NetconfMonitoringServiceImpl implements NetconfMonitoringService, SessionMonitoringService {
  39
  40     private static final Logger logger = LoggerFactory.getLogger(NetconfMonitoringServiceImpl.class);
  41
  42     private final Set<NetconfManagementSession> sessions = new ConcurrentSet<>();
  43     private final NetconfOperationServiceFactoryListener factoriesListener;
  44
  45     public NetconfMonitoringServiceImpl(NetconfOperationServiceFactoryListener factoriesListener) {
  46         this.factoriesListener = factoriesListener;
  47     }
  48
  49     @Override
  50     public void onSessionUp(NetconfManagementSession session) {
  51         logger.debug("Session {} up", session);
  52         Preconditions.checkState(sessions.contains(session) == false, "Session %s was already added", session);
  53         sessions.add(session);
  54     }
  55
  56     @Override
  57     public void onSessionDown(NetconfManagementSession session) {
  58         logger.debug("Session {} down", session);
  59         Preconditions.checkState(sessions.contains(session) == true, "Session %s not present", session);
  60         sessions.remove(session);
  61     }
  62
  63     @Override
  64     public Sessions getSessions() {
  65         return new SessionsBuilder().setSession(transformSessions(sessions)).build();
  66     }
  67
  68     @Override
  69     public Schemas getSchemas() {
  70         // FIXME, session ID
  71         // capabilities should be split from operations (it will allow to move getSchema operation to monitoring module)
  72         return transformSchemas(factoriesListener.getSnapshot(0));
  73     }
  74
  75     private Schemas transformSchemas(NetconfOperationServiceSnapshot snapshot) {
  76         Set<Capability> caps = Sets.newHashSet();
  77
  78         List<Schema> schemas = Lists.newArrayList();
  79
  80         for (NetconfOperationService netconfOperationService : snapshot.getServices()) {
  81             // TODO check for duplicates ? move capability merging to snapshot
  82             // Split capabilities from operations first and delete this duplicate code
  83             caps.addAll(netconfOperationService.getCapabilities());
  84         }
  85
  86         for (Capability cap : caps) {
  87             SchemaBuilder builder = new SchemaBuilder();
  88
  89             if(cap.getCapabilitySchema().isPresent() == false)
  90                 continue;
  91
  92             Preconditions.checkState(cap.getModuleNamespace().isPresent());
  93             builder.setNamespace(new Uri(cap.getModuleNamespace().get()));
  94
  95             Preconditions.checkState(cap.getRevision().isPresent());
  96             String version = cap.getRevision().get();
  97             builder.setVersion(version);
  98
  99             Preconditions.checkState(cap.getModuleName().isPresent());
 100             String identifier = cap.getModuleName().get();
 101             builder.setIdentifier(identifier);
 102
 103             builder.setFormat(Yang.class);
 104
 105             builder.setLocation(transformLocations(cap.getLocation().or(Collections.<String> emptyList())));
 106
 107             builder.setKey(new SchemaKey(Yang.class, identifier, version));
 108
 109             schemas.add(builder.build());
 110         }
 111
 112         return new SchemasBuilder().setSchema(schemas).build();
 113     }
 114
 115     private List<Schema.Location> transformLocations(List<String> locations) {
 116         List<Schema.Location> monitoringLocations = Lists.newArrayList();
 117         monitoringLocations.add(new Schema.Location(Schema.Location.Enumeration.NETCONF));
 118
 119         for (String location : locations) {
 120             monitoringLocations.add(new Schema.Location(new Uri(location)));
 121         }
 122
 123         return monitoringLocations;
 124     }
 125
 126     private List<Session> transformSessions(Set<NetconfManagementSession> sessions) {
 127         return Lists.newArrayList(Collections2.transform(sessions, new Function<NetconfManagementSession, Session>() {
 128             @Nullable
 129             @Override
 130             public Session apply(@Nullable NetconfManagementSession input) {
 131                 return input.toManagementSession();
 132             }
 133         }));
 134     }
 135 }