pcep/topology/topology-provider/src/main/java/org/opendaylight/bgpcep/pcep/topology/provider/config/PCEPTopologyProviderUtil.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 com.google.common.net.InetAddresses;
  11 import java.net.InetAddress;
  12 import java.net.InetSocketAddress;
  13 import java.nio.charset.StandardCharsets;
  14 import java.util.Objects;
  15 import java.util.concurrent.TimeUnit;
  16 import javax.annotation.Nonnull;
  17 import javax.annotation.Nullable;
  18 import org.opendaylight.protocol.concepts.KeyMapping;
  19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IetfInetUtil;
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.PortNumber;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.rfc2385.cfg.rev160324.Rfc2385Key;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.config.rev171025.PcepNodeConfig;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev171025.TopologyTypes1;
  25 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  26 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  27 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.TopologyTypes;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 final class PCEPTopologyProviderUtil {
  32
  33     private static final Logger LOG = LoggerFactory.getLogger(PCEPTopologyProviderUtil.class);
  34
  35     private static final long TIMEOUT_NS = TimeUnit.SECONDS.toNanos(5);
  36
  37     private PCEPTopologyProviderUtil() {
  38         throw new UnsupportedOperationException();
  39     }
  40
  41     static KeyMapping contructKeys(@Nonnull final Topology topology) {
  42         final KeyMapping ret = KeyMapping.getKeyMapping();
  43         topology.getNode().stream()
  44                 .filter(Objects::nonNull)
  45                 .filter(node -> node.getAugmentation(PcepNodeConfig.class) != null)
  46                 .filter(node -> node.getAugmentation(PcepNodeConfig.class).getSessionConfig() != null)
  47                 .filter(node -> !node.getAugmentation(PcepNodeConfig.class)
  48                         .getSessionConfig().getPassword().getValue().isEmpty())
  49                 .forEach(node -> {
  50                     final PcepNodeConfig config = node.getAugmentation(PcepNodeConfig.class);
  51                     final Rfc2385Key rfc2385KeyPassword = config.getSessionConfig().getPassword();
  52                     final InetAddress address = InetAddresses.forString(node.getNodeId().getValue());
  53                     ret.put(address, rfc2385KeyPassword.getValue().getBytes(StandardCharsets.US_ASCII));
  54                 });
  55
  56         return ret;
  57     }
  58
  59     static InetSocketAddress getInetSocketAddress(@Nonnull final IpAddress address, @Nonnull final PortNumber port) {
  60         return new InetSocketAddress(IetfInetUtil.INSTANCE.inetAddressFor(address), port.getValue());
  61     }
  62
  63     static boolean filterPcepTopologies(@Nullable final TopologyTypes topologyTypes) {
  64         if (topologyTypes == null) {
  65             return false;
  66         }
  67         final TopologyTypes1 aug = topologyTypes.getAugmentation(TopologyTypes1.class);
  68
  69         return aug != null && aug.getTopologyPcep() != null;
  70     }
  71
  72     static void closeTopology(final PCEPTopologyProviderBean topology, final TopologyId topologyId) {
  73         if (topology != null) {
  74             try {
  75                 topology.closeServiceInstance().get(TIMEOUT_NS, TimeUnit.NANOSECONDS);
  76             } catch (final Exception e) {
  77                 LOG.error("Topology {} instance failed to close service instance", topologyId, e);
  78             }
  79             topology.close();
  80         }
  81     }
  82 }