config-loader/bmp-monitors-config-loader/src/main/java/org/opendaylight/bgpcep/config/loader/bmp/BmpMonitorConfigFileProcessor.java

   1 /*
   2  * Copyright (c) 2017 AT&T Intellectual Property. 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.config.loader.bmp;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.annotations.VisibleForTesting;
  13 import java.util.Collection;
  14 import java.util.Objects;
  15 import java.util.concurrent.ExecutionException;
  16 import javax.annotation.concurrent.GuardedBy;
  17 import org.opendaylight.bgpcep.config.loader.spi.ConfigFileProcessor;
  18 import org.opendaylight.bgpcep.config.loader.spi.ConfigLoader;
  19 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  20 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  21 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  22 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.monitor.config.rev170517.OdlBmpMonitors;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.monitor.config.rev170517.odl.bmp.monitors.BmpMonitorConfig;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.monitor.config.rev170517.odl.bmp.monitors.BmpMonitorConfigKey;
  26 import org.opendaylight.yangtools.concepts.AbstractRegistration;
  27 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  28 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
  29 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  30 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  31 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
  32 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
  33 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  34 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  35 import org.slf4j.Logger;
  36 import org.slf4j.LoggerFactory;
  37
  38 public final class BmpMonitorConfigFileProcessor implements ConfigFileProcessor, AutoCloseable {
  39
  40     @VisibleForTesting
  41     static final InstanceIdentifier<OdlBmpMonitors> ODL_BMP_MONITORS_IID =
  42             InstanceIdentifier.create(OdlBmpMonitors.class);
  43     private static final Logger LOG = LoggerFactory.getLogger(BmpMonitorConfigFileProcessor.class);
  44     private final SchemaPath bmpMonitorsSchemaPath = SchemaPath.create(true, OdlBmpMonitors.QNAME);
  45     private final BindingNormalizedNodeSerializer bindingSerializer;
  46     private final YangInstanceIdentifier bmpMonitorsYii;
  47     private final ConfigLoader configLoader;
  48     private final DataBroker dataBroker;
  49     @GuardedBy("this")
  50     private AbstractRegistration registration;
  51
  52     public BmpMonitorConfigFileProcessor(final ConfigLoader configLoader, final DataBroker dataBroker) {
  53         requireNonNull(configLoader);
  54         this.configLoader = requireNonNull(configLoader);
  55         this.dataBroker = requireNonNull(dataBroker);
  56         this.bindingSerializer = configLoader.getBindingNormalizedNodeSerializer();
  57         this.bmpMonitorsYii = this.bindingSerializer.toYangInstanceIdentifier(
  58                 InstanceIdentifier.create(OdlBmpMonitors.class).child(BmpMonitorConfig.class));
  59     }
  60
  61     private static void processBmpMonitorConfig(final BmpMonitorConfig bmpConfig, final WriteTransaction wtx) {
  62         final KeyedInstanceIdentifier<BmpMonitorConfig, BmpMonitorConfigKey> iid = ODL_BMP_MONITORS_IID
  63                 .child(BmpMonitorConfig.class, bmpConfig.getKey());
  64
  65         wtx.merge(LogicalDatastoreType.CONFIGURATION, iid, bmpConfig, true);
  66     }
  67
  68     public synchronized void init() {
  69         this.registration = this.configLoader.registerConfigFile(this);
  70         LOG.info("BMP Config Loader service initiated");
  71     }
  72
  73     @Override
  74     public synchronized void close() {
  75         if (this.registration != null) {
  76             this.registration.close();
  77             this.registration = null;
  78         }
  79     }
  80
  81     @Override
  82     public SchemaPath getSchemaPath() {
  83         return this.bmpMonitorsSchemaPath;
  84     }
  85
  86     @Override
  87     public synchronized void loadConfiguration(final NormalizedNode<?, ?> dto) {
  88         final ContainerNode bmpMonitorsConfigsContainer = (ContainerNode) dto;
  89         final MapNode monitorsList = (MapNode) bmpMonitorsConfigsContainer.getChild(
  90                 this.bmpMonitorsYii.getLastPathArgument()).orNull();
  91         if (monitorsList == null) {
  92             return;
  93         }
  94         final Collection<MapEntryNode> bmpMonitorConfig = monitorsList.getValue();
  95         final WriteTransaction wtx = this.dataBroker.newWriteOnlyTransaction();
  96
  97         bmpMonitorConfig.stream().map(topology -> this.bindingSerializer
  98                 .fromNormalizedNode(this.bmpMonitorsYii, topology))
  99                 .filter(Objects::nonNull)
 100                 .forEach(bi -> processBmpMonitorConfig((BmpMonitorConfig) bi.getValue(), wtx));
 101
 102         try {
 103             wtx.submit().get();
 104         } catch (final ExecutionException | InterruptedException e) {
 105             LOG.warn("Failed to create Bmp config", e);
 106         }
 107     }
 108 }