feat: Consumerを作成
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6556747BF94EEBC8
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package dev.usbharu
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import dev.usbharu.dev.usbharu.owl.consumer.TaskRequest
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import dev.usbharu.dev.usbharu.owl.consumer.TaskRunner
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import dev.usbharu.owl.*
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import dev.usbharu.owl.common.property.CustomPropertySerializerFactory
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import dev.usbharu.owl.common.property.PropertySerializeUtils
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import io.grpc.ManagedChannelBuilder
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.coroutineScope
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import kotlinx.coroutines.delay
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import kotlinx.coroutines.flow.*
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import kotlinx.coroutines.isActive
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import kotlinx.coroutines.launch
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import java.time.Instant
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import java.util.*
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import kotlin.math.max
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suspend fun main() {
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val channel = ManagedChannelBuilder.forAddress(
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"localhost", 50051
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).build()
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val subscribeTaskServiceCoroutineStub = SubscribeTaskServiceGrpcKt.SubscribeTaskServiceCoroutineStub(channel)
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val assignmentTaskServiceCoroutineStub = AssignmentTaskServiceGrpcKt.AssignmentTaskServiceCoroutineStub(
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channel
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)
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val taskResultServiceCoroutineStub = TaskResultServiceGrpcKt.TaskResultServiceCoroutineStub(channel)
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val subscribeTask = subscribeTaskServiceCoroutineStub.subscribeTask(subscribeTaskRequest {
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this.name = ""
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this.hostname = ""
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this.tasks.addAll(listOf())
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})
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val map = mapOf<String, TaskRunner>()
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val propertySerializerFactory = CustomPropertySerializerFactory(setOf())
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val concurrent = MutableStateFlow(64)
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val processing = MutableStateFlow(0)
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coroutineScope {
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launch(Dispatchers.Default) {
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taskResultServiceCoroutineStub.tasKResult(flow {
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assignmentTaskServiceCoroutineStub
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.ready(
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flow {
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while (this@coroutineScope.isActive) {
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val andSet = concurrent.getAndUpdate {
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0
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}
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if (andSet != 0) {
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emit(readyRequest {
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this.consumerId = subscribeTask.id
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this.numberOfConcurrent = andSet
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})
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continue
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}
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delay(100)
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concurrent.update {
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((64 - it) - processing.value).coerceIn(0, 64 - max(0, processing.value))
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}
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}
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}
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)
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.onEach {
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processing.update { it + 1 }
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try {
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val taskResult = map[it.name]?.run(
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TaskRequest(
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it.name,
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UUID(it.id.mostSignificantUuidBits, it.id.leastSignificantUuidBits),
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it.attempt,
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Instant.ofEpochSecond(it.queuedAt.seconds, it.queuedAt.nanos.toLong()),
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PropertySerializeUtils.deserialize(propertySerializerFactory, it.propertiesMap)
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)
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)
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if (taskResult == null) {
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throw Exception()
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}
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emit(taskResult {
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this.success = taskResult.success
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this.attempt = it.attempt
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this.id = it.id
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this.result.putAll(
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PropertySerializeUtils.serialize(
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propertySerializerFactory,
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taskResult.result
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)
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)
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this.message = taskResult.message
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})
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} catch (e: Exception) {
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emit(taskResult {
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this.success = false
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this.attempt = it.attempt
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this.id = it.id
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this.message = e.localizedMessage
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})
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} finally {
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processing.update { it - 1 }
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concurrent.update {
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if (it < 64) {
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it + 1
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} else {
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64
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}
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}
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}
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}
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.flowOn(Dispatchers.Default)
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.collect()
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})
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}
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}
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}
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@ -0,0 +1,152 @@
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/*
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* Copyright (C) 2024 usbharu
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package dev.usbharu.owl.consumer
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import dev.usbharu.dev.usbharu.owl.consumer.ConsumerConfig
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import dev.usbharu.dev.usbharu.owl.consumer.TaskRequest
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import dev.usbharu.dev.usbharu.owl.consumer.TaskRunner
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import dev.usbharu.owl.*
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import dev.usbharu.owl.Uuid.UUID
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import dev.usbharu.owl.common.property.PropertySerializeUtils
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import dev.usbharu.owl.common.property.PropertySerializerFactory
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import kotlinx.coroutines.*
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import kotlinx.coroutines.flow.*
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import org.slf4j.LoggerFactory
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import java.time.Instant
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import kotlin.math.max
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class Consumer(
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private val subscribeTaskServiceCoroutineStub: SubscribeTaskServiceGrpcKt.SubscribeTaskServiceCoroutineStub,
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private val assignmentTaskServiceCoroutineStub: AssignmentTaskServiceGrpcKt.AssignmentTaskServiceCoroutineStub,
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private val taskResultServiceCoroutineStub: TaskResultServiceGrpcKt.TaskResultServiceCoroutineStub,
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private val runnerMap: Map<String, TaskRunner>,
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private val propertySerializerFactory: PropertySerializerFactory,
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consumerConfig: ConsumerConfig
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) {
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private lateinit var consumerId: UUID
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private lateinit var coroutineScope: CoroutineScope
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private val concurrent = MutableStateFlow(consumerConfig.concurrent)
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private val processing = MutableStateFlow(0)
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suspend fun init(name: String, hostname: String) {
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logger.info("Initialize Consumer name: {} hostname: {}", name, hostname)
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logger.debug("Registered Tasks: {}", runnerMap.keys)
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consumerId = subscribeTaskServiceCoroutineStub.subscribeTask(subscribeTaskRequest {
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this.name = name
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this.hostname = hostname
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this.tasks.addAll(runnerMap.keys)
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}).id
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logger.info("Success initialize consumer. ConsumerID: {}", consumerId)
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}
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suspend fun start() {
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coroutineScope = CoroutineScope(Dispatchers.Default)
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coroutineScope {
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taskResultServiceCoroutineStub
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.tasKResult(flow {
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assignmentTaskServiceCoroutineStub
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.ready(flow {
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while (coroutineScope.isActive) {
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val andSet = concurrent.getAndUpdate { 0 }
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if (andSet != 0) {
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logger.debug("Request {} tasks.", andSet)
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emit(readyRequest {
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this.consumerId = consumerId
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this.numberOfConcurrent = andSet
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})
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continue
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}
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delay(100)
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concurrent.update {
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((64 - it) - processing.value).coerceIn(0, 64 - max(0, processing.value))
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}
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}
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}).onEach {
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logger.info("Start Task name: {}", it.name)
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processing.update { it + 1 }
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try {
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val taskResult = runnerMap.getValue(it.name).run(
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TaskRequest(
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it.name,
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java.util.UUID(it.id.mostSignificantUuidBits, it.id.leastSignificantUuidBits),
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it.attempt,
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Instant.ofEpochSecond(it.queuedAt.seconds, it.queuedAt.nanos.toLong()),
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PropertySerializeUtils.deserialize(propertySerializerFactory, it.propertiesMap)
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)
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)
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emit(taskResult {
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this.success = taskResult.success
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this.attempt = it.attempt
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this.id = it.id
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this.result.putAll(
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PropertySerializeUtils.serialize(
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propertySerializerFactory, taskResult.result
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)
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)
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this.message = taskResult.message
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})
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logger.info("Success execute task. name: {} success: {}", it.name, taskResult.success)
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logger.debug("TRACE RESULT {}", taskResult)
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} catch (e: CancellationException) {
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logger.warn("Cancelled execute task.", e)
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emit(taskResult {
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this.success = false
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this.attempt = it.attempt
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this.id = it.id
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this.message = e.localizedMessage
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})
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throw e
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} catch (e: Exception) {
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logger.warn("Failed execute task.", e)
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emit(taskResult {
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this.success = false
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this.attempt = it.attempt
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this.id = it.id
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this.message = e.localizedMessage
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})
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} finally {
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processing.update { it - 1 }
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concurrent.update {
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if (it < 64) {
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it + 1
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} else {
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64
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}
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}
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}
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}.flowOn(Dispatchers.Default).collect()
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})
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}
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}
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fun stop() {
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logger.info("Stop Consumer. consumerID: {}", consumerId)
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coroutineScope.cancel()
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}
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companion object {
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private val logger = LoggerFactory.getLogger(Consumer::class.java)
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}
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}
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@ -0,0 +1,21 @@
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/*
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* Copyright (C) 2024 usbharu
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package dev.usbharu.dev.usbharu.owl.consumer
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data class ConsumerConfig(
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val concurrent:Int,
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)
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