2 * Copyright (c) 2013 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.statistics;
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;
19 import org.opendaylight.openflowplugin.api.statistics.MessageObservatory;
20 import org.opendaylight.yangtools.yang.binding.DataContainer;
21 import org.slf4j.Logger;
22 import org.slf4j.LoggerFactory;
25 * message counter (by type)
27 public class MessageSpyCounterImpl implements MessageObservatory<DataContainer> {
29 private static final Logger LOG = LoggerFactory.getLogger(MessageSpyCounterImpl.class);
31 private static final class MessageCounters {
32 private static final AtomicLongFieldUpdater<MessageCounters> UPDATER = AtomicLongFieldUpdater.newUpdater(MessageCounters.class, "current");
33 private volatile long current;
34 private long cumulative;
36 public synchronized long accumulate() {
37 final long inc = UPDATER.getAndSet(this, 0);
42 public synchronized long getCumulative() {
46 public long increment() {
47 return UPDATER.incrementAndGet(this);
51 private final ConcurrentMap<STATISTIC_GROUP, ConcurrentMap<Class<? extends DataContainer>, MessageCounters>> inputStats = new ConcurrentHashMap<>();
54 public void spyIn(final DataContainer message) {
55 getCounters(message, STATISTIC_GROUP.FROM_SWITCH_TRANSLATE_IN_SUCCESS).increment();
59 public void spyOut(final DataContainer message) {
60 getCounters(message, STATISTIC_GROUP.FROM_SWITCH_TRANSLATE_OUT_SUCCESS).increment();
64 public void spyMessage(final DataContainer message, final STATISTIC_GROUP statGroup) {
65 getCounters(message, statGroup).increment();
70 * @param statGroup TODO
73 private MessageCounters getCounters(final DataContainer message, final STATISTIC_GROUP statGroup) {
74 Class<? extends DataContainer> msgType = message.getImplementedInterface();
75 ConcurrentMap<Class<? extends DataContainer>, MessageCounters> groupData = getOrCreateGroupData(statGroup);
76 MessageCounters counters = getOrCreateCountersPair(msgType, groupData);
80 private static MessageCounters getOrCreateCountersPair(final Class<? extends DataContainer> msgType, final ConcurrentMap<Class<? extends DataContainer>,MessageCounters> groupData) {
81 final MessageCounters lookup = groupData.get(msgType);
86 final MessageCounters newCounters = new MessageCounters();
87 final MessageCounters check = groupData.putIfAbsent(msgType, newCounters);
88 return check == null ? newCounters : check;
92 private ConcurrentMap<Class<? extends DataContainer>, MessageCounters> getOrCreateGroupData(final STATISTIC_GROUP statGroup) {
93 final ConcurrentMap<Class<? extends DataContainer>, MessageCounters> lookup = inputStats.get(statGroup);
98 final ConcurrentMap<Class<? extends DataContainer>, MessageCounters> newmap = new ConcurrentHashMap<>();
99 final ConcurrentMap<Class<? extends DataContainer>, MessageCounters> check = inputStats.putIfAbsent(statGroup, newmap);
101 return check == null ? newmap : check;
106 // log current counters and cleans it
107 if (LOG.isDebugEnabled()) {
108 for (String counterItem : dumpMessageCounts()) {
109 LOG.debug(counterItem);
115 public List<String> dumpMessageCounts() {
116 List<String> dump = new ArrayList<>();
118 for (STATISTIC_GROUP statGroup : STATISTIC_GROUP.values()) {
119 Map<Class<? extends DataContainer>, MessageCounters> groupData = inputStats.get(statGroup);
120 if (groupData != null) {
121 for (Entry<Class<? extends DataContainer>, MessageCounters> statEntry : groupData.entrySet()) {
122 long amountPerInterval = statEntry.getValue().accumulate();
123 long cumulativeAmount = statEntry.getValue().getCumulative();
124 dump.add(String.format("%s: MSG[%s] -> +%d | %d",
126 statEntry.getKey().getSimpleName(),
127 amountPerInterval, cumulativeAmount));
130 dump.add(String.format("%s: no activity detected", statGroup));