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/*
* ============LICENSE_START=======================================================
* dcaegen2-collectors-veshv
* ================================================================================
* Copyright (C) 2018-2019 NOKIA
* ================================================================================
* 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.dcae.collectors.veshv.ves.message.generator.impl.vesevent
import com.google.protobuf.ByteString
import org.onap.dcae.collectors.veshv.ves.message.generator.api.MessageGenerator
import org.onap.dcae.collectors.veshv.ves.message.generator.api.VesEventParameters
import org.onap.dcae.collectors.veshv.ves.message.generator.api.VesEventType
import org.onap.dcae.collectors.veshv.ves.message.generator.api.VesEventType.FIXED_PAYLOAD
import org.onap.dcae.collectors.veshv.ves.message.generator.api.VesEventType.TOO_BIG_PAYLOAD
import org.onap.dcae.collectors.veshv.ves.message.generator.api.VesEventType.VALID
import org.onap.ves.VesEventOuterClass.CommonEventHeader
import org.onap.ves.VesEventOuterClass.VesEvent
import reactor.core.publisher.Flux
import reactor.core.publisher.Mono
/**
* @author Jakub Dudycz <jakub.dudycz@nokia.com>
* @since June 2018
*/
class VesEventGenerator internal constructor(
private val payloadGenerator: PayloadGenerator,
private val maxPayloadSizeBytes: Int
) : MessageGenerator<VesEventParameters, VesEvent>() {
override fun createMessageFlux(parameters: VesEventParameters): Flux<VesEvent> =
parameters.run {
Mono
.fromCallable { createMessage(commonEventHeader, messageType) }
.let { repeatMessage(it, amount) }
}
private fun createMessage(commonEventHeader: CommonEventHeader, messageType: VesEventType): VesEvent =
when (messageType) {
VALID -> vesEvent(commonEventHeader, payloadGenerator.generatePayload())
TOO_BIG_PAYLOAD -> vesEvent(commonEventHeader, oversizedPayload())
FIXED_PAYLOAD -> vesEvent(commonEventHeader, fixedPayload())
}
private fun vesEvent(commonEventHeader: CommonEventHeader, payload: ByteString): VesEvent =
VesEvent.newBuilder()
.setCommonEventHeader(commonEventHeader)
.setEventFields(payload)
.build()
private fun oversizedPayload(): ByteString =
payloadGenerator.generateRawPayload(maxPayloadSizeBytes + 1)
private fun fixedPayload(): ByteString =
payloadGenerator.generateRawPayload(FIXED_PAYLOAD_SIZE)
companion object {
const val FIXED_PAYLOAD_SIZE = 100
}
}
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