opendaylight/netconf/mdsal-netconf-connector/src/main/java/org/opendaylight/controller/netconf/mdsal/connector/MdsalNetconfOperationServiceFactory.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
   9 package org.opendaylight.controller.netconf.mdsal.connector;
  10
  11 import com.google.common.base.Optional;
  12 import com.google.common.base.Preconditions;
  13 import java.util.HashSet;
  14 import java.util.Set;
  15 import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
  16 import org.opendaylight.controller.netconf.api.Capability;
  17 import org.opendaylight.controller.netconf.api.monitoring.CapabilityListener;
  18 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationServiceFactory;
  19 import org.opendaylight.controller.netconf.util.capability.BasicCapability;
  20 import org.opendaylight.controller.netconf.util.capability.YangModuleCapability;
  21 import org.opendaylight.controller.sal.core.api.model.SchemaService;
  22 import org.opendaylight.yangtools.yang.model.api.Module;
  23 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27 public class MdsalNetconfOperationServiceFactory implements NetconfOperationServiceFactory, AutoCloseable {
  28
  29     private static final Logger LOG = LoggerFactory.getLogger(MdsalNetconfOperationServiceFactory.class);
  30
  31     private final DOMDataBroker dataBroker;
  32     private final CurrentSchemaContext currentSchemaContext;
  33
  34     public MdsalNetconfOperationServiceFactory(final SchemaService schemaService, final DOMDataBroker domDataBroker) {
  35         this.currentSchemaContext = new CurrentSchemaContext(Preconditions.checkNotNull(schemaService));
  36         this.dataBroker = Preconditions.checkNotNull(domDataBroker);
  37     }
  38
  39     @Override
  40     public MdsalNetconfOperationService createService(final String netconfSessionIdForReporting) {
  41         return new MdsalNetconfOperationService(currentSchemaContext, netconfSessionIdForReporting, dataBroker);
  42     }
  43
  44     @Override
  45     public void close() throws Exception {
  46         currentSchemaContext.close();
  47     }
  48
  49     @Override
  50     public Set<Capability> getCapabilities() {
  51         return transformCapabilities(currentSchemaContext.getCurrentContext());
  52     }
  53
  54     static Set<Capability> transformCapabilities(final SchemaContext currentContext) {
  55         final Set<Capability> capabilities = new HashSet<>();
  56         // [RFC6241] 8.3.  Candidate Configuration Capability
  57         capabilities.add(new BasicCapability("urn:ietf:params:netconf:capability:candidate:1.0"));
  58
  59         final Set<Module> modules = currentContext.getModules();
  60         for (final Module module : modules) {
  61             Optional<YangModuleCapability> cap = moduleToCapability(module);
  62             if(cap.isPresent()) {
  63                 capabilities.add(cap.get());
  64             }
  65             for (final Module submodule : module.getSubmodules()) {
  66                 cap = moduleToCapability(submodule);
  67                 if(cap.isPresent()) {
  68                     capabilities.add(cap.get());
  69                 }
  70             }
  71         }
  72
  73         return capabilities;
  74     }
  75
  76     private static Optional<YangModuleCapability> moduleToCapability(final Module module) {
  77         final String source = module.getSource();
  78         if(source !=null) {
  79             return Optional.of(new YangModuleCapability(module, source));
  80         } else {
  81             LOG.warn("Missing source for module {}. This module will not be available from netconf server",
  82                     module);
  83         }
  84         return Optional.absent();
  85     }
  86
  87     @Override
  88     public AutoCloseable registerCapabilityListener(final CapabilityListener listener) {
  89         return currentSchemaContext.registerCapabilityListener(listener);
  90     }
  91
  92 }