2 * ============LICENSE_START=======================================================
3 * dcaegen2-collectors-veshv
4 * ================================================================================
5 * Copyright (C) 2018 NOKIA
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
20 package org.onap.dcae.collectors.veshv.impl.adapters
22 import org.onap.dcae.collectors.veshv.boundary.Sink
23 import org.onap.dcae.collectors.veshv.boundary.SinkProvider
24 import org.onap.dcae.collectors.veshv.model.CollectorConfiguration
25 import org.onap.dcae.collectors.veshv.model.RoutedMessage
26 import org.onap.dcae.collectors.veshv.utils.logging.Logger
27 import reactor.core.publisher.Flux
28 import java.util.concurrent.atomic.AtomicLong
31 * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
34 internal class LoggingSinkProvider : SinkProvider {
36 override fun invoke(config: CollectorConfiguration): Sink {
37 return object : Sink {
38 private val totalMessages = AtomicLong()
39 private val totalBytes = AtomicLong()
41 override fun send(messages: Flux<RoutedMessage>): Flux<RoutedMessage> =
43 .doOnNext(this::logMessage)
45 private fun logMessage(msg: RoutedMessage) {
46 val msgs = totalMessages.addAndGet(1)
47 val bytes = totalBytes.addAndGet(msg.message.rawMessage.size().toLong())
48 val logMessageSupplier = { "Message routed to ${msg.topic}. Total = $msgs ($bytes B)" }
49 if (msgs % INFO_LOGGING_FREQ == 0L)
50 logger.info(logMessageSupplier)
52 logger.trace(logMessageSupplier)
59 const val INFO_LOGGING_FREQ = 100_000
60 private val logger = Logger(LoggingSinkProvider::class)