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/*
* ============LICENSE_START=======================================================
* dcaegen2-collectors-veshv
* ================================================================================
* Copyright (C) 2018 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.tests.utils
import com.google.protobuf.ByteString
import io.netty.buffer.ByteBuf
import io.netty.buffer.ByteBufAllocator
import io.netty.buffer.PooledByteBufAllocator
import org.onap.dcae.collectors.veshv.domain.WireFrameMessage.Companion.RESERVED_BYTE_COUNT
import org.onap.dcae.collectors.veshv.domain.VesEventDomain
import org.onap.dcae.collectors.veshv.domain.VesEventDomain.PERF3GPP
import org.onap.dcae.collectors.veshv.domain.VesEventDomain.OTHER
import java.util.UUID.randomUUID
val allocator: ByteBufAllocator = PooledByteBufAllocator.DEFAULT
private fun ByteBuf.writeValidWireFrameHeaders() {
writeByte(0xAA) // always 0xAA
writeByte(0x01) // major version
writeByte(0x00) // minor version
writeZero(RESERVED_BYTE_COUNT) // reserved
writeShort(0x0001) // content type = GPB
}
fun vesWireFrameMessage(domain: VesEventDomain = OTHER,
id: String = randomUUID().toString()): ByteBuf =
allocator.buffer().run {
writeValidWireFrameHeaders()
val gpb = vesEvent(domain, id).toByteString().asReadOnlyByteBuffer()
writeInt(gpb.limit()) // ves event size in bytes
writeBytes(gpb) // ves event as GPB bytes
}
fun wireFrameMessageWithInvalidPayload(): ByteBuf = allocator.buffer().run {
writeValidWireFrameHeaders()
val invalidGpb = "some random data".toByteArray(Charsets.UTF_8)
writeInt(invalidGpb.size) // ves event size in bytes
writeBytes(invalidGpb)
}
fun garbageFrame(): ByteBuf = allocator.buffer().run {
writeBytes("the meaning of life is &@)(*_!".toByteArray())
}
fun invalidWireFrame(): ByteBuf = allocator.buffer().run {
writeByte(0xAA)
writeByte(0x01) // version major
writeByte(0x01) // version minor
}
fun vesMessageWithPayloadOfSize(payloadSizeBytes: Int, domain: VesEventDomain = PERF3GPP): ByteBuf =
allocator.buffer().run {
writeValidWireFrameHeaders()
val gpb = vesEvent(
domain = domain,
eventFields = ByteString.copyFrom(ByteArray(payloadSizeBytes))
).toByteString().asReadOnlyByteBuffer()
writeInt(gpb.limit()) // ves event size in bytes
writeBytes(gpb) // ves event as GPB bytes
}
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