[SEBA-37] Added 11 Statistics counters for Accounting Server operations
Change-Id: I7dda193129e5dffe62907775aaf8dfdc5b3f1bf1
(cherry picked from commit e154542454d557c7949e8a9e9f83e187e16fb56d)
diff --git a/app/src/main/java/org/opencord/aaa/impl/AaaStatisticsManager.java b/app/src/main/java/org/opencord/aaa/impl/AaaStatisticsManager.java
new file mode 100644
index 0000000..89be1fe
--- /dev/null
+++ b/app/src/main/java/org/opencord/aaa/impl/AaaStatisticsManager.java
@@ -0,0 +1,106 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.opencord.aaa.impl;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.Map;
+import java.util.concurrent.atomic.AtomicLong;
+
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Service;
+import org.onosproject.event.AbstractListenerManager;
+import org.opencord.aaa.AaaStatistics;
+import org.opencord.aaa.AuthenticationStatisticsDelegate;
+import org.opencord.aaa.AuthenticationStatisticsEvent;
+import org.opencord.aaa.AuthenticationStatisticsEventListener;
+import org.opencord.aaa.AuthenticationStatisticsService;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Deactivate;
+import org.slf4j.Logger;
+
+
+@Service
+@Component(immediate = true)
+public class AaaStatisticsManager
+ extends AbstractListenerManager<AuthenticationStatisticsEvent, AuthenticationStatisticsEventListener>
+ implements AuthenticationStatisticsService {
+
+ private AuthenticationStatisticsDelegate statsDelegate;
+
+ public AuthenticationStatisticsDelegate getStatsDelegate() {
+ return statsDelegate;
+ }
+
+ private final Logger log = getLogger(getClass());
+ private AaaStatistics aaaStats;
+ private LinkedList<Long> packetRoundTripTimeList = new LinkedList<Long>();
+ public Map<Byte, Long> outgoingPacketMap = new HashMap<Byte, Long>();
+ private static final int PACKET_COUNT_FOR_AVERAGE_RTT_CALCULATION = 5;
+
+ public AaaStatistics getAaaStats() {
+ return aaaStats;
+ }
+
+ @Activate
+ public void activate() {
+ log.info("Activate aaaStatisticsManager");
+ aaaStats = new AaaStatistics();
+ statsDelegate = new InternalAuthenticationDelegateForStatistics();
+ eventDispatcher.addSink(AuthenticationStatisticsEvent.class, listenerRegistry);
+ }
+
+ @Deactivate
+ public void deactivate() {
+ eventDispatcher.removeSink(AuthenticationStatisticsEvent.class);
+ }
+
+ public void handleRoundtripTime(byte inPacketIdentifier) {
+ long inTimeInMilis = System.currentTimeMillis();
+ if (outgoingPacketMap.containsKey(inPacketIdentifier)) {
+ if (packetRoundTripTimeList.size() > PACKET_COUNT_FOR_AVERAGE_RTT_CALCULATION) {
+ packetRoundTripTimeList.removeFirst();
+ }
+ packetRoundTripTimeList.add(inTimeInMilis - outgoingPacketMap.get(inPacketIdentifier));
+ }
+ }
+
+ public void calculatePacketRoundtripTime() {
+ if (packetRoundTripTimeList.size() > 0) {
+ long avg = (long) packetRoundTripTimeList.stream().mapToLong(i -> i).average().getAsDouble();
+ aaaStats.setRequestRttMilis(new AtomicLong(avg));
+ }
+ }
+
+ public void putOutgoingIdentifierToMap(byte outPacketIdentifier) {
+ outgoingPacketMap.put(outPacketIdentifier, System.currentTimeMillis());
+ }
+
+ /**
+ *Delegate allowing the StateMachine to notify us of events.
+ */
+ private class InternalAuthenticationDelegateForStatistics implements AuthenticationStatisticsDelegate {
+ @Override
+ public void notify(AuthenticationStatisticsEvent authenticationStatisticsEvent) {
+ log.debug("Authentication Statistics event {} for {}", authenticationStatisticsEvent.type(),
+ authenticationStatisticsEvent.subject());
+ post(authenticationStatisticsEvent);
+ }
+ }
+}