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Load messages from cradle on Retransmission (#38)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,2 @@ | ||
| release_version=0.2.2 | ||
| release_version=0.3.0 | ||
| jackson_version=2.11.2 |
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267 changes: 267 additions & 0 deletions
267
src/main/kotlin/com/exactpro/th2/conn/dirty/fix/MessageLoader.kt
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|---|---|---|
| @@ -0,0 +1,267 @@ | ||
| /* | ||
| * Copyright 2023 Exactpro (Exactpro Systems Limited) | ||
| * | ||
| * 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. | ||
| */ | ||
| package com.exactpro.th2.conn.dirty.fix | ||
|
|
||
| import com.exactpro.th2.SequenceHolder | ||
| import com.exactpro.th2.common.grpc.Direction | ||
| import com.exactpro.th2.common.message.toTimestamp | ||
| import com.exactpro.th2.common.util.toInstant | ||
| import com.exactpro.th2.constants.Constants.IS_POSS_DUP | ||
| import com.exactpro.th2.constants.Constants.MSG_SEQ_NUM_TAG | ||
| import com.exactpro.th2.constants.Constants.POSS_DUP | ||
| import com.exactpro.th2.constants.Constants.POSS_DUP_TAG | ||
| import com.exactpro.th2.dataprovider.grpc.DataProviderService | ||
| import com.exactpro.th2.dataprovider.grpc.MessageGroupResponse | ||
| import com.exactpro.th2.dataprovider.grpc.MessageSearchRequest | ||
| import com.exactpro.th2.dataprovider.grpc.MessageSearchResponse | ||
| import com.exactpro.th2.dataprovider.grpc.MessageStream | ||
| import com.exactpro.th2.dataprovider.grpc.TimeRelation | ||
| import com.exactpro.th2.lme.oe.util.ProviderCall | ||
| import com.google.protobuf.Int32Value | ||
| import com.google.protobuf.Timestamp | ||
| import com.google.protobuf.util.Timestamps.compare | ||
| import io.netty.buffer.ByteBuf | ||
| import io.netty.buffer.Unpooled | ||
| import java.time.Instant | ||
| import java.time.LocalDate | ||
| import java.time.LocalDateTime | ||
| import java.time.LocalTime | ||
| import java.time.OffsetDateTime | ||
| import java.time.OffsetTime | ||
| import java.time.ZoneId | ||
| import java.time.ZoneOffset | ||
| import java.time.ZonedDateTime | ||
| import java.util.concurrent.locks.ReentrantLock | ||
| import kotlin.concurrent.withLock | ||
| import kotlin.math.ceil | ||
| import mu.KotlinLogging | ||
|
|
||
| class MessageLoader( | ||
| private val dataProvider: DataProviderService, | ||
| private val sessionStartTime: LocalTime? | ||
| ) { | ||
| private var sessionStart: ZonedDateTime | ||
| private val searchLock = ReentrantLock() | ||
|
|
||
| init { | ||
| val today = LocalDate.now(ZoneOffset.UTC) | ||
| val start = sessionStartTime?.atDate(today) | ||
| val now = LocalDateTime.now() | ||
| if(start == null) { | ||
| sessionStart = OffsetDateTime | ||
| .now(ZoneOffset.UTC) | ||
| .with(LocalTime.now()) | ||
| .atZoneSameInstant(ZoneId.systemDefault()) | ||
| } else { | ||
| sessionStart = if(start.isAfter(now)) { | ||
| OffsetDateTime | ||
| .now(ZoneOffset.UTC) | ||
| .minusDays(1) | ||
| .with(sessionStartTime) | ||
| .atZoneSameInstant(ZoneId.systemDefault()) | ||
| } else { | ||
| OffsetDateTime | ||
| .now(ZoneOffset.UTC) | ||
| .with(sessionStartTime) | ||
| .atZoneSameInstant(ZoneId.systemDefault()) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private var sessionStartTimestamp = sessionStart | ||
| .toInstant() | ||
| .toTimestamp() | ||
|
|
||
| private var previousDaySessionStart = sessionStart | ||
| .minusDays(1) | ||
| .toInstant() | ||
| .toTimestamp() | ||
|
|
||
| fun updateTime() { | ||
| searchLock.withLock { | ||
| sessionStart = ZonedDateTime | ||
| .now(ZoneOffset.UTC) | ||
| .with(OffsetTime.now(ZoneOffset.UTC)) | ||
| sessionStartTimestamp = sessionStart | ||
| .toInstant() | ||
| .toTimestamp() | ||
| previousDaySessionStart = sessionStart | ||
| .minusDays(1) | ||
| .toInstant() | ||
| .toTimestamp() | ||
| } | ||
| } | ||
|
|
||
| fun loadInitialSequences(sessionAlias: String): SequenceHolder { | ||
| val serverSeq = ProviderCall.withCancellation { | ||
| searchMessage( | ||
| dataProvider.searchMessages( | ||
| createSearchRequest( | ||
| Instant.now().toTimestamp(), | ||
| Direction.FIRST, | ||
| sessionAlias | ||
| ) | ||
| ) | ||
| ) { _, seqNum -> seqNum?.toInt() ?: 0 } | ||
| } | ||
| val clientSeq = ProviderCall.withCancellation { | ||
| searchMessage( | ||
| dataProvider.searchMessages( | ||
| createSearchRequest( | ||
| Instant.now().toTimestamp(), | ||
| Direction.SECOND, | ||
| sessionAlias | ||
| ) | ||
| ), | ||
| true | ||
| ) { _, seqNum -> seqNum?.toInt() ?: 0 } | ||
| } | ||
| K_LOGGER.info { "Loaded sequences: client sequence - $clientSeq; server sequence - $serverSeq" } | ||
| return SequenceHolder(clientSeq, serverSeq) | ||
| } | ||
|
|
||
| fun processMessagesInRange( | ||
| direction: Direction, | ||
| sessionAlias: String, | ||
| fromSequence: Long, | ||
| processMessage: (ByteBuf) -> Boolean | ||
| ) { | ||
| var timestamp: Timestamp? = null | ||
| ProviderCall.withCancellation { | ||
| val backwardIterator = dataProvider.searchMessages( | ||
| createSearchRequest(Instant.now().toTimestamp(), direction, sessionAlias) | ||
| ) | ||
|
|
||
| var firstValidMessage = firstValidMessageDetails(backwardIterator) ?: return@withCancellation | ||
|
|
||
| var messagesToSkip = firstValidMessage.payloadSequence - fromSequence | ||
|
|
||
| timestamp = firstValidMessage.timestamp | ||
|
|
||
| while (backwardIterator.hasNext() && messagesToSkip > 0) { | ||
| val message = backwardIterator.next().message | ||
| if(compare(message.timestamp, previousDaySessionStart) <= 0) { | ||
| continue | ||
| } | ||
| timestamp = message.timestamp | ||
| messagesToSkip -= 1 | ||
| if(messagesToSkip == 0L) { | ||
|
|
||
| val buf = Unpooled.copiedBuffer(message.bodyRaw.toByteArray()) | ||
| val sequence = buf.findField(MSG_SEQ_NUM_TAG)?.value?.toInt() ?: continue | ||
|
|
||
| if(checkPossDup(buf)) { | ||
| val validMessage = firstValidMessageDetails(backwardIterator) ?: break | ||
|
|
||
| timestamp = validMessage.timestamp | ||
| if(validMessage.payloadSequence <= fromSequence) { | ||
| break | ||
| } else { | ||
| messagesToSkip = validMessage.payloadSequence - fromSequence | ||
| } | ||
|
|
||
| } else { | ||
|
|
||
| if(sequence <= fromSequence) { | ||
| break | ||
| } else { | ||
| messagesToSkip = sequence - fromSequence | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| val startSearchTimestamp = timestamp ?: return | ||
|
|
||
| K_LOGGER.info { "Loading retransmission messages from ${startSearchTimestamp.toInstant()}" } | ||
|
|
||
| ProviderCall.withCancellation { | ||
|
|
||
| val iterator = dataProvider.searchMessages( | ||
| createSearchRequest( | ||
| startSearchTimestamp, | ||
| direction, | ||
| sessionAlias, | ||
| TimeRelation.NEXT, | ||
| Instant.now().toTimestamp() | ||
| ) | ||
| ) | ||
|
|
||
| while (iterator.hasNext()) { | ||
| val message = Unpooled.buffer().writeBytes(iterator.next().message.bodyRaw.toByteArray()) | ||
| if (!processMessage(message)) break | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private fun <T> searchMessage( | ||
| iterator: Iterator<MessageSearchResponse>, | ||
| checkPossFlag: Boolean = false, | ||
| extractValue: (MessageGroupResponse?, String?) -> T | ||
| ): T { | ||
| var message: MessageGroupResponse? | ||
| while (iterator.hasNext()) { | ||
| message = iterator.next().message | ||
| if(sessionStartTime != null && compare(sessionStartTimestamp, message.timestamp) > 0) { | ||
| return extractValue(message, null) | ||
| } | ||
|
|
||
| val bodyRaw = Unpooled.copiedBuffer(message.bodyRaw.toByteArray()) | ||
| val seqNum = bodyRaw.findField(MSG_SEQ_NUM_TAG)?.value ?: continue | ||
|
|
||
| if(checkPossFlag && checkPossDup(bodyRaw)) continue | ||
|
|
||
| return extractValue(message, seqNum) | ||
| } | ||
| return extractValue(null, null) | ||
| } | ||
|
|
||
| private fun firstValidMessageDetails(iterator: Iterator<MessageSearchResponse>): MessageDetails? = searchMessage( | ||
| iterator, | ||
| true | ||
| ) { message, seqNum -> | ||
| if(message == null || seqNum == null) return@searchMessage null | ||
| MessageDetails(seqNum.toInt(), message.messageId.sequence, message.timestamp) | ||
| } | ||
|
|
||
| private fun createSearchRequest( | ||
| timestamp: Timestamp, | ||
| direction: Direction, | ||
| sessionAlias: String, | ||
| searchDirection: TimeRelation = TimeRelation.PREVIOUS, | ||
| endTimestamp: Timestamp = previousDaySessionStart | ||
| ) = MessageSearchRequest.newBuilder().apply { | ||
| startTimestamp = timestamp | ||
| this.endTimestamp = endTimestamp | ||
| addResponseFormats(BASE64_FORMAT) | ||
| addStream( | ||
| MessageStream.newBuilder() | ||
| .setName(sessionAlias) | ||
| .setDirection(direction) | ||
| ) | ||
| this.searchDirection = searchDirection | ||
| }.build() | ||
|
|
||
| private fun checkPossDup(buf: ByteBuf): Boolean = buf.findField(POSS_DUP_TAG)?.value == IS_POSS_DUP | ||
|
|
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| data class MessageDetails(val payloadSequence: Int, val messageSequence: Long, val timestamp: Timestamp) | ||
|
|
||
| companion object { | ||
| val K_LOGGER = KotlinLogging.logger { } | ||
| private const val BASE64_FORMAT = "BASE_64" | ||
| } | ||
| } |
28 changes: 28 additions & 0 deletions
28
src/main/kotlin/com/exactpro/th2/conn/dirty/fix/ProviderCall.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2023, Exactpro Systems LLC | ||
| * www.exactpro.com | ||
| * Build Software to Test Software | ||
| * | ||
| * All rights reserved. | ||
| * This is unpublished, licensed software, confidential and proprietary | ||
| * information which is the property of Exactpro Systems LLC or its licensors. | ||
| ******************************************************************************/ | ||
| package com.exactpro.th2.lme.oe.util | ||
|
|
||
| import io.grpc.Context | ||
|
|
||
| class ProviderCall { | ||
| companion object { | ||
| fun <T> withCancellation(code: () -> T): T { | ||
| return Context.current().withCancellation().use { context -> | ||
| val toRestore = context.attach() | ||
| val result = try { | ||
| code() | ||
| } finally { | ||
| context.detach(toRestore) | ||
| } | ||
| return@use result | ||
| } | ||
| } | ||
| } | ||
| } |
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