2 * Copyright (c) 2015 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.openflowplugin.impl.statistics.ofpspecific;
11 import java.util.ArrayList;
12 import java.util.List;
14 import java.util.Map.Entry;
15 import java.util.concurrent.ConcurrentHashMap;
16 import java.util.concurrent.ConcurrentMap;
17 import java.util.concurrent.atomic.AtomicLongFieldUpdater;
18 import org.opendaylight.openflowplugin.api.openflow.statistics.ofpspecific.MessageIntelligenceAgency;
19 import org.opendaylight.yangtools.yang.binding.DataContainer;
20 import org.slf4j.Logger;
21 import org.slf4j.LoggerFactory;
24 * Implementation of {@link org.opendaylight.openflowplugin.api.openflow.statistics.ofpspecific.MessageIntelligenceAgency}.
25 * Class counts message of {@link org.opendaylight.openflowplugin.api.openflow.statistics.ofpspecific.MessageSpy.STATISTIC_GROUP} type
26 * and provides info as debug log.
28 public class MessageIntelligenceAgencyImpl implements MessageIntelligenceAgency<DataContainer> {
30 private static final Logger LOG = LoggerFactory.getLogger(MessageIntelligenceAgencyImpl.class);
32 private static final class MessageCounters {
33 private static final AtomicLongFieldUpdater<MessageCounters> UPDATER = AtomicLongFieldUpdater.newUpdater(MessageCounters.class, "current");
34 private volatile long current;
35 private long cumulative;
37 public synchronized long accumulate() {
38 final long inc = UPDATER.getAndSet(this, 0);
43 public synchronized long getCumulative() {
47 public long increment() {
48 return UPDATER.incrementAndGet(this);
52 private final ConcurrentMap<STATISTIC_GROUP, ConcurrentMap<Class<? extends DataContainer>, MessageCounters>> inputStats = new ConcurrentHashMap<>();
55 public void spyIn(final DataContainer message) {
56 getCounters(message, STATISTIC_GROUP.FROM_SWITCH_TRANSLATE_IN_SUCCESS).increment();
60 public void spyOut(final DataContainer message) {
61 getCounters(message, STATISTIC_GROUP.FROM_SWITCH_TRANSLATE_OUT_SUCCESS).increment();
65 public void spyMessage(final DataContainer message, final STATISTIC_GROUP statGroup) {
66 getCounters(message, statGroup).increment();
71 * @param statGroup TODO
74 private MessageCounters getCounters(final DataContainer message, final STATISTIC_GROUP statGroup) {
75 Class<? extends DataContainer> msgType = message.getImplementedInterface();
76 ConcurrentMap<Class<? extends DataContainer>, MessageCounters> groupData = getOrCreateGroupData(statGroup);
77 MessageCounters counters = getOrCreateCountersPair(msgType, groupData);
81 private static MessageCounters getOrCreateCountersPair(final Class<? extends DataContainer> msgType, final ConcurrentMap<Class<? extends DataContainer>,MessageCounters> groupData) {
82 final MessageCounters lookup = groupData.get(msgType);
87 final MessageCounters newCounters = new MessageCounters();
88 final MessageCounters check = groupData.putIfAbsent(msgType, newCounters);
89 return check == null ? newCounters : check;
93 private ConcurrentMap<Class<? extends DataContainer>, MessageCounters> getOrCreateGroupData(final STATISTIC_GROUP statGroup) {
94 final ConcurrentMap<Class<? extends DataContainer>, MessageCounters> lookup = inputStats.get(statGroup);
99 final ConcurrentMap<Class<? extends DataContainer>, MessageCounters> newmap = new ConcurrentHashMap<>();
100 final ConcurrentMap<Class<? extends DataContainer>, MessageCounters> check = inputStats.putIfAbsent(statGroup, newmap);
102 return check == null ? newmap : check;
107 // log current counters and cleans it
108 if (LOG.isDebugEnabled()) {
109 for (String counterItem : provideIntelligence()) {
110 LOG.debug(counterItem);
116 public List<String> provideIntelligence() {
117 List<String> dump = new ArrayList<>();
119 for (STATISTIC_GROUP statGroup : STATISTIC_GROUP.values()) {
120 Map<Class<? extends DataContainer>, MessageCounters> groupData = inputStats.get(statGroup);
121 if (groupData != null) {
122 for (Entry<Class<? extends DataContainer>, MessageCounters> statEntry : groupData.entrySet()) {
123 long amountPerInterval = statEntry.getValue().accumulate();
124 long cumulativeAmount = statEntry.getValue().getCumulative();
125 dump.add(String.format("%s: MSG[%s] -> +%d | %d",
127 statEntry.getKey().getSimpleName(),
128 amountPerInterval, cumulativeAmount));
131 dump.add(String.format("%s: no activity detected", statGroup));