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 java.util.Collections;
  17 import java.util.List;
  18 import java.util.Set;
  19 import javax.annotation.Nonnull;
  20 import org.opendaylight.controller.netconf.api.monitoring.NetconfManagementSession;
  21 import org.opendaylight.controller.netconf.api.monitoring.NetconfMonitoringService;
  22 import org.opendaylight.controller.netconf.mapping.api.Capability;
  23 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationProvider;
  24 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationService;
  25 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationServiceSnapshot;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Uri;
  27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.Yang;
  28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.Schemas;
  29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.SchemasBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.Sessions;
  31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.SessionsBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.schemas.Schema;
  33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.schemas.SchemaBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.schemas.SchemaKey;
  35 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.sessions.Session;
  36 import org.slf4j.Logger;
  37 import org.slf4j.LoggerFactory;
  38
  39 public class NetconfMonitoringServiceImpl implements NetconfMonitoringService, SessionMonitoringService {
  40
  41     private static final Logger LOG = LoggerFactory.getLogger(NetconfMonitoringServiceImpl.class);
  42
  43     private final Set<NetconfManagementSession> sessions = new ConcurrentSet<>();
  44     private final NetconfOperationProvider netconfOperationProvider;
  45
  46     public NetconfMonitoringServiceImpl(NetconfOperationProvider netconfOperationProvider) {
  47         this.netconfOperationProvider = netconfOperationProvider;
  48     }
  49
  50     @Override
  51     public void onSessionUp(NetconfManagementSession session) {
  52         LOG.debug("Session {} up", session);
  53         Preconditions.checkState(!sessions.contains(session), "Session %s was already added", session);
  54         sessions.add(session);
  55     }
  56
  57     @Override
  58     public void onSessionDown(NetconfManagementSession session) {
  59         LOG.debug("Session {} down", session);
  60         Preconditions.checkState(sessions.contains(session), "Session %s not present", session);
  61         sessions.remove(session);
  62     }
  63
  64     @Override
  65     public Sessions getSessions() {
  66         return new SessionsBuilder().setSession(transformSessions(sessions)).build();
  67     }
  68
  69     @Override
  70     public Schemas getSchemas() {
  71         // capabilities should be split from operations (it will allow to move getSchema operation to monitoring module)
  72         try (NetconfOperationServiceSnapshot snapshot = netconfOperationProvider.openSnapshot("netconf-monitoring")) {
  73             return transformSchemas(snapshot.getServices());
  74         } catch (RuntimeException e) {
  75             throw e;
  76         } catch (Exception e) {
  77             throw new IllegalStateException("Exception while closing", e);
  78         }
  79     }
  80
  81     private Schemas transformSchemas(Set<NetconfOperationService> services) {
  82         Set<Capability> caps = Sets.newHashSet();
  83
  84         List<Schema> schemas = Lists.newArrayList();
  85
  86
  87         for (NetconfOperationService netconfOperationService : services) {
  88             // TODO check for duplicates ? move capability merging to snapshot
  89             // Split capabilities from operations first and delete this duplicate code
  90             caps.addAll(netconfOperationService.getCapabilities());
  91         }
  92
  93         for (Capability cap : caps) {
  94             SchemaBuilder builder = new SchemaBuilder();
  95
  96             if (cap.getCapabilitySchema().isPresent() == false) {
  97                 continue;
  98             }
  99
 100             Preconditions.checkState(cap.getModuleNamespace().isPresent());
 101             builder.setNamespace(new Uri(cap.getModuleNamespace().get()));
 102
 103             Preconditions.checkState(cap.getRevision().isPresent());
 104             String version = cap.getRevision().get();
 105             builder.setVersion(version);
 106
 107             Preconditions.checkState(cap.getModuleName().isPresent());
 108             String identifier = cap.getModuleName().get();
 109             builder.setIdentifier(identifier);
 110
 111             builder.setFormat(Yang.class);
 112
 113             builder.setLocation(transformLocations(cap.getLocation().or(Collections.<String>emptyList())));
 114
 115             builder.setKey(new SchemaKey(Yang.class, identifier, version));
 116
 117             schemas.add(builder.build());
 118         }
 119
 120         return new SchemasBuilder().setSchema(schemas).build();
 121     }
 122
 123     private List<Schema.Location> transformLocations(List<String> locations) {
 124         List<Schema.Location> monitoringLocations = Lists.newArrayList();
 125         monitoringLocations.add(new Schema.Location(Schema.Location.Enumeration.NETCONF));
 126
 127         for (String location : locations) {
 128             monitoringLocations.add(new Schema.Location(new Uri(location)));
 129         }
 130
 131         return monitoringLocations;
 132     }
 133
 134     private List<Session> transformSessions(Set<NetconfManagementSession> sessions) {
 135         return Lists.newArrayList(Collections2.transform(sessions, new Function<NetconfManagementSession, Session>() {
 136             @Override
 137             public Session apply(@Nonnull NetconfManagementSession input) {
 138                 return input.toManagementSession();
 139             }
 140         }));
 141     }
 142 }