pcep/topology-provider/src/main/java/org/opendaylight/bgpcep/pcep/topology/provider/config/PCEPTopologyDeployerImpl.java

   1 /*
   2  * Copyright (c) 2017 Pantheon Technologies s.r.o. 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.bgpcep.pcep.topology.provider.config;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.base.Optional;
  13 import com.google.common.base.Preconditions;
  14 import java.net.InetSocketAddress;
  15 import java.util.HashMap;
  16 import java.util.Map;
  17 import java.util.concurrent.ExecutionException;
  18 import java.util.concurrent.TimeUnit;
  19 import java.util.concurrent.TimeoutException;
  20 import javax.annotation.concurrent.GuardedBy;
  21 import org.opendaylight.bgpcep.programming.spi.InstructionScheduler;
  22 import org.opendaylight.controller.config.yang.pcep.topology.provider.PCEPTopologyProviderRuntimeRegistrator;
  23 import org.opendaylight.protocol.concepts.KeyMapping;
  24 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  25 import org.osgi.service.blueprint.container.BlueprintContainer;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 public class PCEPTopologyDeployerImpl implements PCEPTopologyDeployer, AutoCloseable {
  30     private static final Logger LOG = LoggerFactory.getLogger(PCEPTopologyDeployerImpl.class);
  31     private static final long TIMEOUT_NS = TimeUnit.SECONDS.toNanos(5);
  32
  33     @GuardedBy("this")
  34     private final Map<TopologyId, PCEPTopologyProviderBean> pcepTopologyServices = new HashMap<>();
  35     private final BlueprintContainer container;
  36
  37     public PCEPTopologyDeployerImpl(final BlueprintContainer container) {
  38         this.container = requireNonNull(container);
  39     }
  40
  41     @Override
  42     public synchronized void createTopologyProvider(final TopologyId topologyId,
  43         final InetSocketAddress inetSocketAddress, final short rpcTimeout, final KeyMapping keys,
  44         final InstructionScheduler schedulerDependency,
  45         final Optional<PCEPTopologyProviderRuntimeRegistrator> runtime) {
  46         if (this.pcepTopologyServices.containsKey(topologyId)) {
  47             LOG.warn("Topology Provider {} already exist. New instance won't be created", topologyId);
  48             return;
  49         }
  50         final PCEPTopologyProviderBean pcepTopologyProviderBean = (PCEPTopologyProviderBean) this.container
  51             .getComponentInstance(PCEPTopologyProviderBean.class.getSimpleName());
  52         this.pcepTopologyServices.put(topologyId, pcepTopologyProviderBean);
  53         final PCEPTopologyConfigDependencies configDependencies = new PCEPTopologyConfigDependencies(inetSocketAddress,
  54             keys, schedulerDependency, topologyId, runtime, rpcTimeout);
  55         pcepTopologyProviderBean.start(configDependencies);
  56     }
  57
  58     @Override
  59     public synchronized void removeTopologyProvider(final TopologyId topologyID) {
  60         final PCEPTopologyProviderBean service = this.pcepTopologyServices.remove(topologyID);
  61         if (service != null) {
  62             try {
  63                 service.closeServiceInstance().get(TIMEOUT_NS, TimeUnit.NANOSECONDS);
  64             } catch (InterruptedException | ExecutionException | TimeoutException e) {
  65                 LOG.error("Failed to close Topology Provider {}.", topologyID.getValue(), e);
  66             }
  67
  68             service.close();
  69         }
  70     }
  71
  72     @Override
  73     public synchronized void close() throws Exception {
  74         this.pcepTopologyServices.values().forEach(PCEPTopologyProviderBean::closeServiceInstance);
  75         this.pcepTopologyServices.values().forEach(PCEPTopologyProviderBean::close);
  76     }
  77 }