bgp/bmp-impl/src/main/java/org/opendaylight/protocol/bmp/impl/app/BmpMonitoringStationImpl.java

   1 /*
   2  * Copyright (c) 2015 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.protocol.bmp.impl.app;
  10
  11 import static java.util.Objects.requireNonNull;
  12 import static org.opendaylight.protocol.bmp.impl.app.KeyConstructorUtil.constructKeys;
  13
  14 import com.google.common.base.Optional;
  15 import com.google.common.base.Preconditions;
  16 import com.google.common.net.InetAddresses;
  17 import com.google.common.util.concurrent.ListenableFuture;
  18 import io.netty.channel.Channel;
  19 import io.netty.channel.ChannelFuture;
  20 import io.netty.channel.ChannelFutureListener;
  21 import java.net.InetAddress;
  22 import java.net.InetSocketAddress;
  23 import java.util.List;
  24 import javax.annotation.Nonnull;
  25 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonService;
  26 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceRegistration;
  27 import org.opendaylight.mdsal.singleton.common.api.ServiceGroupIdentifier;
  28 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  29 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  30 import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
  31 import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
  32 import org.opendaylight.protocol.bmp.api.BmpDispatcher;
  33 import org.opendaylight.protocol.bmp.impl.config.BmpDeployerDependencies;
  34 import org.opendaylight.protocol.bmp.impl.spi.BmpMonitoringStation;
  35 import org.opendaylight.protocol.concepts.KeyMapping;
  36 import org.opendaylight.protocol.util.Ipv4Util;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.monitor.config.rev170517.odl.bmp.monitors.bmp.monitor.config.MonitoredRouter;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.monitor.rev150512.BmpMonitor;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.monitor.rev150512.MonitorId;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.monitor.rev150512.bmp.monitor.Monitor;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.monitor.rev150512.routers.Router;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.rfc2385.cfg.rev160324.Rfc2385Key;
  43 import org.opendaylight.yangtools.yang.common.QName;
  44 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  45 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  46 import org.slf4j.Logger;
  47 import org.slf4j.LoggerFactory;
  48
  49 public final class BmpMonitoringStationImpl implements BmpMonitoringStation, ClusterSingletonService {
  50
  51     private static final Logger LOG = LoggerFactory.getLogger(BmpMonitoringStationImpl.class);
  52
  53     private static final QName MONITOR_ID_QNAME = QName.create(Monitor.QNAME, "monitor-id").intern();
  54     private static final ServiceGroupIdentifier SERVICE_GROUP_IDENTIFIER =
  55         ServiceGroupIdentifier.create("bmp-monitors-service-group");
  56
  57     private final DOMDataBroker domDataBroker;
  58     private final InetSocketAddress address;
  59     private final MonitorId monitorId;
  60     private final List<MonitoredRouter> monitoredRouters;
  61     private final BmpDispatcher dispatcher;
  62     private final RouterSessionManager sessionManager;
  63     private final YangInstanceIdentifier yangMonitorId;
  64     private Channel channel;
  65     private ClusterSingletonServiceRegistration singletonServiceRegistration;
  66
  67     public BmpMonitoringStationImpl(final BmpDeployerDependencies bmpDeployerDependencies,
  68         final BmpDispatcher dispatcher, final MonitorId monitorId, final InetSocketAddress address,
  69         final List<MonitoredRouter> mrs) {
  70         this.domDataBroker = requireNonNull(bmpDeployerDependencies.getDomDataBroker());
  71         this.dispatcher = requireNonNull(dispatcher);
  72         this.monitorId = monitorId;
  73         this.monitoredRouters = mrs;
  74         this.address = requireNonNull(address);
  75
  76         this.yangMonitorId = YangInstanceIdentifier.builder()
  77             .node(BmpMonitor.QNAME).node(Monitor.QNAME)
  78             .nodeWithKey(Monitor.QNAME, MONITOR_ID_QNAME, monitorId.getValue()).build();
  79
  80         this.sessionManager = new RouterSessionManager(this.yangMonitorId, this.domDataBroker,
  81             bmpDeployerDependencies.getExtensions(), bmpDeployerDependencies.getTree());
  82
  83         LOG.info("BMP Monitor Singleton Service {} registered, Monitor Id {}",
  84             getIdentifier().getValue(), this.monitorId.getValue());
  85         this.singletonServiceRegistration = bmpDeployerDependencies.getClusterSingletonProvider()
  86             .registerClusterSingletonService(this);
  87     }
  88
  89     @Override
  90     public synchronized void instantiateServiceInstance() {
  91         LOG.info("BMP Monitor Singleton Service {} instantiated, Monitor Id {}",
  92             getIdentifier().getValue(), this.monitorId.getValue());
  93
  94         final ChannelFuture channelFuture = this.dispatcher.createServer(this.address, this.sessionManager,
  95             constructKeys(this.monitoredRouters));
  96         try {
  97             this.channel = channelFuture.sync().channel();
  98             createEmptyMonitor();
  99             LOG.info("BMP Monitoring station {} started", this.monitorId.getValue());
 100
 101             connectMonitoredRouters(this.dispatcher);
 102             LOG.info("Connecting to monitored routers completed.");
 103         } catch (final InterruptedException e) {
 104             LOG.error("Failed to instantiate BMP Monitor Singleton {}", this.monitorId.getValue(), e);
 105         }
 106
 107     }
 108
 109     @Override
 110     public synchronized ListenableFuture<Void> closeServiceInstance() {
 111         LOG.info("BMP Monitor Singleton Service {} instance closed, Monitor Id {}",
 112             getIdentifier().getValue(), this.monitorId.getValue());
 113         this.channel.close().addListener((ChannelFutureListener) future -> {
 114             Preconditions.checkArgument(future.isSuccess(), "Channel failed to close: %s", future.cause());
 115             BmpMonitoringStationImpl.this.sessionManager.close();
 116         });
 117
 118         final DOMDataWriteTransaction wTx = this.domDataBroker.newWriteOnlyTransaction();
 119         wTx.delete(LogicalDatastoreType.OPERATIONAL, this.yangMonitorId);
 120         LOG.info("BMP monitoring station {} closed.", this.monitorId.getValue());
 121         return wTx.submit();
 122     }
 123
 124     @Nonnull
 125     @Override
 126     public ServiceGroupIdentifier getIdentifier() {
 127         return SERVICE_GROUP_IDENTIFIER;
 128     }
 129
 130     private void connectMonitoredRouters(final BmpDispatcher dispatcher) {
 131         if (this.monitoredRouters != null) {
 132             for (final MonitoredRouter mr : this.monitoredRouters) {
 133                 if (mr.isActive()) {
 134                     requireNonNull(mr.getAddress());
 135                     requireNonNull(mr.getPort());
 136                     final String s = mr.getAddress().getIpv4Address().getValue();
 137                     final InetAddress addr = InetAddresses.forString(s);
 138                     final KeyMapping ret;
 139                     final Rfc2385Key rfc2385KeyPassword = mr.getPassword();
 140                     ret = KeyMapping.getKeyMapping(addr, rfc2385KeyPassword.getValue());
 141                     dispatcher.createClient(Ipv4Util.toInetSocketAddress(mr.getAddress(), mr.getPort()),
 142                         this.sessionManager, Optional.fromNullable(ret));
 143                 }
 144             }
 145         }
 146     }
 147
 148     private synchronized void createEmptyMonitor() {
 149         final DOMDataWriteTransaction wTx = this.domDataBroker.newWriteOnlyTransaction();
 150         wTx.put(LogicalDatastoreType.OPERATIONAL,
 151             YangInstanceIdentifier.builder().node(BmpMonitor.QNAME).node(Monitor.QNAME)
 152                 .nodeWithKey(Monitor.QNAME, MONITOR_ID_QNAME, this.monitorId.getValue()).build(),
 153             ImmutableNodes.mapEntryBuilder(Monitor.QNAME, MONITOR_ID_QNAME, this.monitorId.getValue())
 154                 .addChild(ImmutableNodes.leafNode(MONITOR_ID_QNAME, this.monitorId.getValue()))
 155                 .addChild(ImmutableNodes.mapNodeBuilder(Router.QNAME).build())
 156                 .build());
 157         try {
 158             wTx.submit().checkedGet();
 159         } catch (final TransactionCommitFailedException e) {
 160             LOG.error("Failed to initiate BMP Monitor {}.", this.monitorId.getValue(), e);
 161         }
 162     }
 163
 164     @Override
 165     public synchronized void close() throws Exception {
 166         if (this.singletonServiceRegistration != null) {
 167             this.singletonServiceRegistration.close();
 168             this.singletonServiceRegistration = null;
 169         }
 170     }
 171 }