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.wire
22 import io.netty.buffer.ByteBuf
23 import io.netty.buffer.ByteBufAllocator
24 import org.onap.dcae.collectors.veshv.domain.WireFrame
25 import org.onap.dcae.collectors.veshv.impl.VesHvCollector
26 import org.onap.dcae.collectors.veshv.utils.logging.Logger
27 import reactor.core.publisher.Flux
30 * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
33 internal class WireDecoder(alloc: ByteBufAllocator = ByteBufAllocator.DEFAULT) {
34 private val streamBuffer = alloc.compositeBuffer()
36 fun decode(byteBuf: ByteBuf): Flux<WireFrame> = StreamBufferEmitter.createFlux(streamBuffer, byteBuf)
37 .doOnSubscribe { logIncomingMessage(byteBuf) }
38 .doOnNext(this::logDecodedWireMessage)
41 streamBuffer.release()
45 private fun logIncomingMessage(wire: ByteBuf) {
46 logger.trace { "Got message with total size of ${wire.readableBytes()} B" }
49 private fun logDecodedWireMessage(wire: WireFrame) {
50 logger.trace { "Wire payload size: ${wire.payloadSize} B." }
54 val logger = Logger(VesHvCollector::class)