blob: 07d5e843367140ea36190b02997b0fa6c3edb0a8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
* Copyright © 2017-2018 Amdocs
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.aai.sparky.sync;
import java.util.concurrent.atomic.AtomicInteger;
import org.onap.aai.sparky.analytics.AveragingRingBuffer;
import org.onap.aai.sparky.sync.config.NetworkStatisticsConfig;
public class TransactionRateMonitor {
private AtomicInteger numTransactions;
private AveragingRingBuffer responseTimeTracker;
private long startTimeInMs;
/**
* Instantiates a new transaction rate controller.
*
* @param config the config
*/
public TransactionRateMonitor(int numWorkerThreads, NetworkStatisticsConfig config) {
this.responseTimeTracker = new AveragingRingBuffer(
config.getNumSamplesPerThreadForRunningAverage() * numWorkerThreads);
this.startTimeInMs = System.currentTimeMillis();
this.numTransactions = new AtomicInteger(0);
}
/**
* Track response time.
*
* @param responseTimeInMs the response time in ms
*/
public void trackResponseTime(long responseTimeInMs) {
this.numTransactions.incrementAndGet();
responseTimeTracker.addSample(responseTimeInMs);
}
public long getAvg() {
return responseTimeTracker.getAvg();
}
public double getCurrentTps() {
if (numTransactions.get() > 0) {
double timeDelta = System.currentTimeMillis() - startTimeInMs;
double numTxns = numTransactions.get();
return (numTxns / timeDelta) * 1000.0;
}
return 0.0;
}
}
|