2 * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
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
9 package org.opendaylight.groupbasedpolicy.gbp_ise_adapter.impl;
11 import com.google.common.util.concurrent.CheckedFuture;
12 import com.google.common.util.concurrent.FutureCallback;
13 import com.google.common.util.concurrent.Futures;
14 import com.google.common.util.concurrent.ListenableFuture;
15 import com.google.common.util.concurrent.ThreadFactoryBuilder;
16 import java.text.SimpleDateFormat;
17 import java.util.Collection;
18 import java.util.Date;
19 import java.util.concurrent.ExecutionException;
20 import java.util.concurrent.LinkedBlockingQueue;
21 import java.util.concurrent.ThreadPoolExecutor;
22 import java.util.concurrent.TimeUnit;
23 import java.util.concurrent.TimeoutException;
24 import javax.annotation.Nonnull;
25 import javax.annotation.Nullable;
26 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
27 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
28 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
29 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
30 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.DateAndTime;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.groupbasedpolicy.gbp.ise.adapter.model.rev160630.GbpIseAdapter;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.groupbasedpolicy.gbp.ise.adapter.model.rev160630.gbp.ise.adapter.IseHarvestConfig;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.groupbasedpolicy.gbp.ise.adapter.model.rev160630.gbp.ise.adapter.IseHarvestStatus;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.groupbasedpolicy.gbp.ise.adapter.model.rev160630.gbp.ise.adapter.IseHarvestStatusBuilder;
36 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
37 import org.slf4j.Logger;
38 import org.slf4j.LoggerFactory;
41 * Purpose: listen for harvest configuration and trigger harvesting
43 public class GbpIseConfigListenerImpl implements GbpIseConfigListener {
45 private static final Logger LOG = LoggerFactory.getLogger(GbpIseConfigListenerImpl.class);
47 private static final String DATE_AND_TIME_FORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSSXXX";
49 private final DataBroker dataBroker;
50 private final GbpIseSgtHarvester gbpIseSgtHarvester;
51 private final ThreadPoolExecutor pool;
53 public GbpIseConfigListenerImpl(@Nonnull final DataBroker dataBroker, @Nonnull final GbpIseSgtHarvester gbpIseSgtHarvester) {
54 this.dataBroker = dataBroker;
55 this.gbpIseSgtHarvester = gbpIseSgtHarvester;
56 pool = new ThreadPoolExecutor(1, 1, 0, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<>(10),
57 new ThreadFactoryBuilder().setNameFormat("ise-sgt-harverster-%d").build()) {
59 protected void afterExecute(final Runnable r, final Throwable t) {
60 super.afterExecute(r, t);
62 LOG.warn("ise harvest task failed", t);
69 public void onDataTreeChanged(@Nonnull final Collection<DataTreeModification<IseHarvestConfig>> collection) {
70 for (DataTreeModification<IseHarvestConfig> modification : collection) {
71 final IseHarvestConfig iseHarvestConfig = modification.getRootNode().getDataAfter();
72 if (iseHarvestConfig != null) {
74 final ListenableFuture<Integer> harvestResult = gbpIseSgtHarvester.harvest(iseHarvestConfig);
75 Futures.addCallback(harvestResult, new FutureCallback<Integer>() {
77 public void onSuccess(@Nullable final Integer result) {
78 LOG.debug("ise harvest finished, outcome: {}", result);
79 storeOutcome(true, result.intValue(), null);
83 public void onFailure(final Throwable t) {
84 LOG.debug("ise harvest failed", t);
85 storeOutcome(false, 0, t.getMessage());
90 harvestResult.get(30, TimeUnit.SECONDS);
91 } catch (InterruptedException | ExecutionException | TimeoutException e) {
92 LOG.debug("failed to finish ise-sgt-harvest task properly on time", e);
99 private CheckedFuture<Void, TransactionCommitFailedException> storeOutcome(final boolean succeeded, final int counter, final String reason) {
100 final WriteTransaction wTx = dataBroker.newWriteOnlyTransaction();
101 final InstanceIdentifier<IseHarvestStatus> harvestStatusPath = InstanceIdentifier.create(GbpIseAdapter.class)
102 .child(IseHarvestStatus.class);
103 final IseHarvestStatus harvestStatus = new IseHarvestStatusBuilder()
105 .setSuccess(succeeded)
106 .setTemplatesWritten(counter)
107 .setTimestamp(createDateTime(new Date()))
109 wTx.put(LogicalDatastoreType.OPERATIONAL, harvestStatusPath, harvestStatus, true);
113 private static DateAndTime createDateTime(Date when) {
114 final SimpleDateFormat simpleDateFormat = new SimpleDateFormat(DATE_AND_TIME_FORMAT);
115 return new DateAndTime(simpleDateFormat.format(when));
119 public void close() throws Exception {
120 if (!pool.isTerminated()) {
122 final boolean terminated = pool.awaitTermination(10, TimeUnit.SECONDS);