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Add storage API test (inclomplete)

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This commit is contained in:
Alexander Nozik 2023-07-29 18:08:25 +03:00
parent f9e20f8766
commit d3d8413837
15 changed files with 264 additions and 172 deletions
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2
build.gradle.kts
View File

@ -6,7 +6,7 @@ plugins {
id("space.kscience.gradle.project")
}
val dataforgeVersion: String by extra("0.6.1")
val dataforgeVersion: String by extra("0.6.2-dev-3")
val ktorVersion: String by extra(space.kscience.gradle.KScienceVersions.ktorVersion)
val rsocketVersion by extra("0.15.4")
val xodusVersion by extra("2.0.1")

26
controls-core/src/commonMain/kotlin/space/kscience/controls/api/DeviceMessage.kt
View File

@ -1,7 +1,11 @@
@file:OptIn(ExperimentalSerializationApi::class)
package space.kscience.controls.api
import kotlinx.datetime.Clock
import kotlinx.datetime.Instant
import kotlinx.serialization.EncodeDefault
import kotlinx.serialization.ExperimentalSerializationApi
import kotlinx.serialization.SerialName
import kotlinx.serialization.Serializable
import kotlinx.serialization.json.Json
@ -55,7 +59,7 @@ public data class PropertyChangedMessage(
override val sourceDevice: Name = Name.EMPTY,
override val targetDevice: Name? = null,
override val comment: String? = null,
override val time: Instant? = Clock.System.now()
@EncodeDefault override val time: Instant? = Clock.System.now(),
) : DeviceMessage() {
override fun changeSource(block: (Name) -> Name): DeviceMessage = copy(sourceDevice = block(sourceDevice))
}
@ -71,7 +75,7 @@ public data class PropertySetMessage(
override val sourceDevice: Name? = null,
override val targetDevice: Name,
override val comment: String? = null,
override val time: Instant? = Clock.System.now()
@EncodeDefault override val time: Instant? = Clock.System.now(),
) : DeviceMessage() {
override fun changeSource(block: (Name) -> Name): DeviceMessage = copy(sourceDevice = sourceDevice?.let(block))
}
@ -87,7 +91,7 @@ public data class PropertyGetMessage(
override val sourceDevice: Name? = null,
override val targetDevice: Name,
override val comment: String? = null,
override val time: Instant? = Clock.System.now()
@EncodeDefault override val time: Instant? = Clock.System.now(),
) : DeviceMessage() {
override fun changeSource(block: (Name) -> Name): DeviceMessage = copy(sourceDevice = sourceDevice?.let(block))
}
@ -101,7 +105,7 @@ public data class GetDescriptionMessage(
override val sourceDevice: Name? = null,
override val targetDevice: Name,
override val comment: String? = null,
override val time: Instant? = Clock.System.now()
@EncodeDefault override val time: Instant? = Clock.System.now(),
) : DeviceMessage() {
override fun changeSource(block: (Name) -> Name): DeviceMessage = copy(sourceDevice = sourceDevice?.let(block))
}
@ -118,7 +122,7 @@ public data class DescriptionMessage(
override val sourceDevice: Name,
override val targetDevice: Name? = null,
override val comment: String? = null,
override val time: Instant? = Clock.System.now()
@EncodeDefault override val time: Instant? = Clock.System.now(),
) : DeviceMessage() {
override fun changeSource(block: (Name) -> Name): DeviceMessage = copy(sourceDevice = block(sourceDevice))
}
@ -137,7 +141,7 @@ public data class ActionExecuteMessage(
override val sourceDevice: Name? = null,
override val targetDevice: Name,
override val comment: String? = null,
override val time: Instant? = Clock.System.now()
@EncodeDefault override val time: Instant? = Clock.System.now(),
) : DeviceMessage() {
override fun changeSource(block: (Name) -> Name): DeviceMessage = copy(sourceDevice = sourceDevice?.let(block))
}
@ -156,7 +160,7 @@ public data class ActionResultMessage(
override val sourceDevice: Name,
override val targetDevice: Name? = null,
override val comment: String? = null,
override val time: Instant? = Clock.System.now()
@EncodeDefault override val time: Instant? = Clock.System.now(),
) : DeviceMessage() {
override fun changeSource(block: (Name) -> Name): DeviceMessage = copy(sourceDevice = block(sourceDevice))
}
@ -171,7 +175,7 @@ public data class BinaryNotificationMessage(
override val sourceDevice: Name,
override val targetDevice: Name? = null,
override val comment: String? = null,
override val time: Instant? = Clock.System.now()
@EncodeDefault override val time: Instant? = Clock.System.now(),
) : DeviceMessage() {
override fun changeSource(block: (Name) -> Name): DeviceMessage = copy(sourceDevice = block(sourceDevice))
}
@ -186,7 +190,7 @@ public data class EmptyDeviceMessage(
override val sourceDevice: Name? = null,
override val targetDevice: Name? = null,
override val comment: String? = null,
override val time: Instant? = Clock.System.now()
@EncodeDefault override val time: Instant? = Clock.System.now(),
) : DeviceMessage() {
override fun changeSource(block: (Name) -> Name): DeviceMessage = copy(sourceDevice = sourceDevice?.let(block))
}
@ -202,7 +206,7 @@ public data class DeviceLogMessage(
override val sourceDevice: Name? = null,
override val targetDevice: Name? = null,
override val comment: String? = null,
override val time: Instant? = Clock.System.now()
@EncodeDefault override val time: Instant? = Clock.System.now(),
) : DeviceMessage() {
override fun changeSource(block: (Name) -> Name): DeviceMessage = copy(sourceDevice = sourceDevice?.let(block))
}
@ -219,7 +223,7 @@ public data class DeviceErrorMessage(
override val sourceDevice: Name,
override val targetDevice: Name? = null,
override val comment: String? = null,
override val time: Instant? = Clock.System.now()
@EncodeDefault override val time: Instant? = Clock.System.now(),
) : DeviceMessage() {
override fun changeSource(block: (Name) -> Name): DeviceMessage = copy(sourceDevice = block(sourceDevice))
}

2
demo/echo/src/main/kotlin/space/kscience/controls/demo/echo/main.kt
View File

@ -22,7 +22,7 @@ private suspend fun MagixEndpoint.collectEcho(scope: CoroutineScope, n: Int) {
scope.launch {
subscribe(
MagixMessageFilter(
origin = listOf("loop")
source = listOf("loop")
)
).collect { message ->
if (message.id?.endsWith(".response") == true) {

2
demo/many-devices/build.gradle.kts
View File

@ -19,7 +19,7 @@ dependencies {
implementation(projects.magix.magixZmq)
implementation("io.ktor:ktor-client-cio:$ktorVersion")
implementation("space.kscience:plotlykt-server:0.5.3")
implementation("space.kscience:plotlykt-server:0.6.0")
implementation(spclibs.logback.classic)
}

26
demo/many-devices/src/main/kotlin/space/kscience/controls/demo/MassDevice.kt
View File

@ -1,11 +1,10 @@
package space.kscience.controls.demo
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.delay
import kotlinx.coroutines.*
import kotlinx.coroutines.flow.launchIn
import kotlinx.coroutines.flow.onEach
import kotlinx.coroutines.isActive
import kotlinx.coroutines.launch
import kotlinx.coroutines.sync.Mutex
import kotlinx.coroutines.sync.withLock
import kotlinx.datetime.Clock
import space.kscience.controls.client.connectToMagix
import space.kscience.controls.client.magixFormat
@ -20,6 +19,7 @@ import space.kscience.dataforge.meta.get
import space.kscience.dataforge.meta.int
import space.kscience.magix.api.MagixEndpoint
import space.kscience.magix.api.subscribe
import space.kscience.magix.rsocket.rSocketWithTcp
import space.kscience.magix.rsocket.rSocketWithWebSockets
import space.kscience.magix.server.RSocketMagixFlowPlugin
import space.kscience.magix.server.startMagixServer
@ -31,7 +31,6 @@ import space.kscience.plotly.server.PlotlyUpdateMode
import space.kscience.plotly.server.serve
import space.kscience.plotly.server.show
import space.kscince.magix.zmq.ZmqMagixFlowPlugin
import java.util.concurrent.ConcurrentHashMap
import kotlin.random.Random
import kotlin.time.Duration
import kotlin.time.Duration.Companion.milliseconds
@ -49,14 +48,15 @@ class MassDevice(context: Context, meta: Meta) : DeviceBySpec<MassDevice>(MassDe
val value by doubleProperty { randomValue }
override suspend fun MassDevice.onOpen() {
doRecurring(50.milliseconds) {
doRecurring(10.milliseconds) {
read(value)
}
}
}
}
fun main() {
@OptIn(DelicateCoroutinesApi::class)
suspend fun main() {
val context = Context("Mass")
context.startMagixServer(
@ -67,7 +67,7 @@ fun main() {
val numDevices = 100
repeat(numDevices) {
context.launch(Dispatchers.IO) {
context.launch(newFixedThreadPoolContext(2, "Device${it}")) {
val deviceContext = Context("Device${it}") {
plugin(DeviceManager)
}
@ -77,7 +77,7 @@ fun main() {
deviceManager.install("device$it", MassDevice)
val endpointId = "device$it"
val deviceEndpoint = MagixEndpoint.rSocketWithWebSockets("localhost")
val deviceEndpoint = MagixEndpoint.rSocketWithTcp("localhost")
deviceManager.connectToMagix(deviceEndpoint, endpointId)
}
}
@ -94,14 +94,19 @@ fun main() {
launch(Dispatchers.IO) {
val monitorEndpoint = MagixEndpoint.rSocketWithWebSockets("localhost")
val latest = ConcurrentHashMap<String, Duration>()
val mutex = Mutex()
val latest = HashMap<String, Duration>()
monitorEndpoint.subscribe(DeviceManager.magixFormat).onEach { (magixMessage, payload) ->
mutex.withLock {
latest[magixMessage.sourceEndpoint] = Clock.System.now() - payload.time!!
}
}.launchIn(this)
while (isActive) {
delay(200)
mutex.withLock {
val sorted = latest.mapKeys { it.key.substring(6).toInt() }.toSortedMap()
latest.clear()
x.numbers = sorted.keys
@ -112,6 +117,7 @@ fun main() {
}
}
}
}
application.show()

2
magix/magix-api/src/commonMain/kotlin/space/kscience/magix/api/MagixFormat.kt
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@ -28,7 +28,7 @@ public fun <T> MagixEndpoint.subscribe(
originFilter: Collection<String>? = null,
targetFilter: Collection<String>? = null,
): Flow<Pair<MagixMessage, T>> = subscribe(
MagixMessageFilter(format = format.formats, origin = originFilter, target = targetFilter)
MagixMessageFilter(format = format.formats, source = originFilter, target = targetFilter)
).map {
val value: T = magixJson.decodeFromJsonElement(format.serializer, it.payload)
it to value

4
magix/magix-api/src/commonMain/kotlin/space/kscience/magix/api/MagixMessageFilter.kt
View File

@ -10,13 +10,13 @@ import kotlinx.serialization.Serializable
@Serializable
public data class MagixMessageFilter(
val format: Collection<String>? = null,
val origin: Collection<String>? = null,
val source: Collection<String>? = null,
val target: Collection<String>? = null,
) {
public fun accepts(message: MagixMessage): Boolean =
format?.contains(message.format) ?: true
&& origin?.contains(message.sourceEndpoint) ?: true
&& source?.contains(message.sourceEndpoint) ?: true
&& target?.contains(message.targetEndpoint) ?: true
public companion object {

7
magix/magix-rsocket/src/commonMain/kotlin/space/kscience/magix/rsocket/RSocketMagixEndpoint.kt
View File

@ -51,9 +51,10 @@ public class RSocketMagixEndpoint(private val rSocket: RSocket) : MagixEndpoint,
}
internal fun buildConnector(rSocketConfig: RSocketConnectorBuilder.ConnectionConfigBuilder.() -> Unit) =
RSocketConnector {
reconnectable(10)
internal fun buildConnector(
rSocketConfig: RSocketConnectorBuilder.ConnectionConfigBuilder.() -> Unit,
) = RSocketConnector {
reconnectable(5)
connectionConfig(rSocketConfig)
}

11
magix/magix-server/src/main/kotlin/space/kscience/magix/server/RSocketMagixFlowPlugin.kt
View File

@ -35,8 +35,11 @@ public class RSocketMagixFlowPlugin(
receive: Flow<MagixMessage>,
sendMessage: suspend (MagixMessage) -> Unit,
): Job {
val tcpTransport =
TcpServerTransport(hostname = serverHost, port = serverPort, configure = transportConfiguration)
val tcpTransport = TcpServerTransport(
hostname = serverHost,
port = serverPort,
configure = transportConfiguration
)
val rSocketJob: TcpServer = RSocketServer(rsocketConfiguration)
.bindIn(scope, tcpTransport, acceptor(scope, receive, sendMessage))
@ -60,7 +63,7 @@ public class RSocketMagixFlowPlugin(
MagixMessageFilter.serializer(),
request.data.readText()
)
request.close()
receive.filter(filter).map { message ->
val string = MagixEndpoint.magixJson.encodeToString(MagixMessage.serializer(), message)
buildPayload { data(string) }
@ -72,7 +75,7 @@ public class RSocketMagixFlowPlugin(
MagixMessage.serializer(),
request.data.readText()
)
request.close()
sendMessage(message)
}
// bidirectional connection, used for streaming connection

193
magix/magix-storage/magix-storage-xodus/src/main/kotlin/space/kscience/magix/storage/xodus/XodusMagixStorage.kt
View File

@ -19,20 +19,25 @@ import space.kscience.magix.storage.test
import java.nio.file.Path
import kotlin.sequences.Sequence
/**
* Attach a Xodus storage process to the given endpoint.
*/
public class XodusMagixStorage(
scope: CoroutineScope,
private val store: PersistentEntityStore,
endpoint: MagixEndpoint,
filter: MagixMessageFilter = MagixMessageFilter.ALL,
) : MagixHistory, AutoCloseable {
//TODO consider message buffering
internal val subscriptionJob = endpoint.subscribe(filter).onEach { message ->
store.executeInTransaction { transaction ->
transaction.newEntity(MAGIC_MESSAGE_ENTITY_TYPE).apply {
private fun Entity.parseMagixMessage(): MagixMessage = MagixMessage(
format = getProperty(MagixMessage::format.name).toString(),
payload = getBlobString(MagixMessage::payload.name)?.let {
magixJson.parseToJsonElement(it)
} ?: JsonObject(emptyMap()),
sourceEndpoint = getProperty(MagixMessage::sourceEndpoint.name).toString(),
targetEndpoint = getProperty(MagixMessage::targetEndpoint.name)?.toString(),
id = getProperty(MagixMessage::id.name)?.toString(),
parentId = getProperty(MagixMessage::parentId.name)?.toString(),
user = getBlobString(MagixMessage::user.name)?.let {
magixJson.parseToJsonElement(it)
},
)
public class XodusMagixHistory(private val store: PersistentEntityStore) : MagixHistory {
public fun writeMessage(storeTransaction: StoreTransaction, message: MagixMessage) {
storeTransaction.newEntity(XodusMagixStorage.MAGIC_MESSAGE_ENTITY_TYPE).apply {
setProperty(MagixMessage::sourceEndpoint.name, message.sourceEndpoint)
setProperty(MagixMessage::format.name, message.format)
@ -59,21 +64,100 @@ public class XodusMagixStorage(
}
}
}
}.launchIn(scope)
private fun Entity.parseMagixMessage(): MagixMessage = MagixMessage(
format = getProperty(MagixMessage::format.name).toString(),
payload = getBlobString(MagixMessage::payload.name)?.let {
magixJson.parseToJsonElement(it)
} ?: JsonObject(emptyMap()),
sourceEndpoint = getProperty(MagixMessage::sourceEndpoint.name).toString(),
targetEndpoint = getProperty(MagixMessage::targetEndpoint.name)?.toString(),
id = getProperty(MagixMessage::id.name)?.toString(),
parentId = getProperty(MagixMessage::parentId.name)?.toString(),
user = getBlobString(MagixMessage::user.name)?.let {
magixJson.parseToJsonElement(it)
},
public fun sendMessage(message: MagixMessage) {
store.executeInTransaction { transaction ->
writeMessage(transaction, message)
}
}
override suspend fun useMessages(
magixFilter: MagixMessageFilter?,
payloadFilter: MagixPayloadFilter?,
userFilter: MagixUsernameFilter?,
callback: (Sequence<MagixMessage>) -> Unit,
): Unit = store.executeInReadonlyTransaction { transaction ->
val all = transaction.getAll(XodusMagixStorage.MAGIC_MESSAGE_ENTITY_TYPE)
fun StoreTransaction.findAllIn(
entityType: String,
field: String,
values: Collection<String>?,
): EntityIterable? {
var union: EntityIterable? = null
values?.forEach {
val filter = transaction.find(entityType, field, it)
union = union?.union(filter) ?: filter
}
return union
}
// filter by magix filter
val filteredByMagix: EntityIterable = magixFilter?.let { mf ->
var res = all
transaction.findAllIn(XodusMagixStorage.MAGIC_MESSAGE_ENTITY_TYPE, MagixMessage::format.name, mf.format)
?.let {
res = res.intersect(it)
}
transaction.findAllIn(
XodusMagixStorage.MAGIC_MESSAGE_ENTITY_TYPE,
MagixMessage::sourceEndpoint.name,
mf.source
)?.let {
res = res.intersect(it)
}
transaction.findAllIn(
XodusMagixStorage.MAGIC_MESSAGE_ENTITY_TYPE,
MagixMessage::targetEndpoint.name,
mf.target
)?.let {
res = res.intersect(it)
}
res
} ?: all
val filteredByUser: EntityIterable = userFilter?.let { userFilter ->
filteredByMagix.intersect(
transaction.find(
XodusMagixStorage.MAGIC_MESSAGE_ENTITY_TYPE,
MagixMessage::user.name,
userFilter.userName
)
)
} ?: filteredByMagix
val sequence = filteredByUser.asSequence().map { it.parseMagixMessage() }
val filteredSequence = if (payloadFilter == null) {
sequence
} else {
sequence.filter {
payloadFilter.test(it.payload)
}
}
callback(filteredSequence)
}
}
/**
* Attach a Xodus storage process to the given endpoint.
*/
public class XodusMagixStorage(
scope: CoroutineScope,
private val store: PersistentEntityStore,
endpoint: MagixEndpoint,
filter: MagixMessageFilter = MagixMessageFilter.ALL,
) : AutoCloseable {
public val history: XodusMagixHistory = XodusMagixHistory(store)
//TODO consider message buffering
internal val subscriptionJob = endpoint.subscribe(filter).onEach { message ->
history.sendMessage(message)
}.launchIn(scope)
/**
@ -105,63 +189,6 @@ public class XodusMagixStorage(
block(sequence)
}
override suspend fun findMessages(
magixFilter: MagixMessageFilter?,
payloadFilter: MagixPayloadFilter?,
userFilter: MagixUsernameFilter?,
callback: (Sequence<MagixMessage>) -> Unit,
): Unit = store.executeInReadonlyTransaction { transaction ->
val all = transaction.getAll(MAGIC_MESSAGE_ENTITY_TYPE)
fun StoreTransaction.findAllIn(
entityType: String,
field: String,
values: Collection<String>?,
): EntityIterable? {
var union: EntityIterable? = null
values?.forEach {
val filter = transaction.find(entityType, field, it)
union = union?.union(filter) ?: filter
}
return union
}
// filter by magix filter
val filteredByMagix: EntityIterable = magixFilter?.let { mf ->
var res = all
transaction.findAllIn(MAGIC_MESSAGE_ENTITY_TYPE, MagixMessage::format.name, mf.format)?.let {
res = res.intersect(it)
}
transaction.findAllIn(MAGIC_MESSAGE_ENTITY_TYPE, MagixMessage::sourceEndpoint.name, mf.origin)?.let {
res = res.intersect(it)
}
transaction.findAllIn(MAGIC_MESSAGE_ENTITY_TYPE, MagixMessage::targetEndpoint.name, mf.target)?.let {
res = res.intersect(it)
}
res
} ?: all
val filteredByUser: EntityIterable = userFilter?.let { userFilter ->
filteredByMagix.intersect(
transaction.find(MAGIC_MESSAGE_ENTITY_TYPE, MagixMessage::user.name, userFilter.userName)
)
} ?: filteredByMagix
val sequence = filteredByUser.asSequence().map { it.parseMagixMessage() }
val filteredSequence = if (payloadFilter == null) {
sequence
} else {
sequence.filter {
payloadFilter.test(it.payload)
}
}
callback(filteredSequence)
}
override fun close() {
subscriptionJob.cancel()
}

50
magix/magix-storage/magix-storage-xodus/src/main/kotlin/space/kscience/magix/storage/xodus/storageAPITest.kt Normal file
View File

@ -0,0 +1,50 @@
package space.kscience.magix.storage.xodus
import jetbrains.exodus.entitystore.PersistentEntityStores
import kotlinx.serialization.json.JsonPrimitive
import kotlinx.serialization.json.buildJsonObject
import space.kscience.magix.api.MagixMessage
import space.kscience.magix.api.MagixMessageFilter
import java.nio.file.Files
import kotlin.time.measureTime
public suspend fun main() {
val storeDirectory = Files.createTempDirectory("controls-xodus").toFile()
println(storeDirectory)
val store = PersistentEntityStores.newInstance(storeDirectory)
val history = XodusMagixHistory(store)
store.executeInTransaction { transaction ->
for (value in 1..100) {
for (source in 1..100) {
for (target in 1..100) {
history.writeMessage(
transaction,
MagixMessage(
"test",
sourceEndpoint = "source$source",
targetEndpoint = "target$target",
payload = buildJsonObject {
put("value", JsonPrimitive(value))
}
)
)
}
}
}
}
println("written million messages")
val time = measureTime {
history.useMessages(
MagixMessageFilter(source = listOf("source12"), target = listOf("target12"))
) { sequence ->
println(sequence.count())
}
}
println("Finished query in $time")
store.close()
}

2
magix/magix-storage/src/commonMain/kotlin/space/kscience/magix/storage/MagixHistory.kt
View File

@ -66,7 +66,7 @@ public interface MagixHistory {
* @param payloadFilter filter for payload fields.
* @param userFilter filters user names ("user.name").
*/
public suspend fun findMessages(
public suspend fun useMessages(
magixFilter: MagixMessageFilter? = null,
payloadFilter: MagixPayloadFilter? = null,
userFilter: MagixUsernameFilter? = null,

2
magix/magix-storage/src/commonMain/kotlin/space/kscience/magix/storage/historyEndpoint.kt
View File

@ -57,7 +57,7 @@ public fun MagixEndpoint.launchHistory(
if (payload is HistoryRequestPayload) {
val realPageSize = payload.pageSize ?: pageSize
history.findMessages(payload.magixFilter, payload.payloadFilter, payload.userFilter) { sequence ->
history.useMessages(payload.magixFilter, payload.payloadFilter, payload.userFilter) { sequence ->
// start from -1 because increment always happens first
var pageNumber = -1

6
magix/magix-zmq/src/main/kotlin/space/kscince/magix/zmq/ZmqMagixEndpoint.kt
View File

@ -13,6 +13,7 @@ import space.kscience.magix.api.MagixMessage
import space.kscience.magix.api.MagixMessageFilter
import space.kscience.magix.api.filter
import kotlin.coroutines.CoroutineContext
import kotlin.coroutines.coroutineContext
public class ZmqMagixEndpoint(
private val host: String,
@ -69,8 +70,7 @@ public class ZmqMagixEndpoint(
}
}
public fun MagixEndpoint.Companion.zmq(
scope: CoroutineScope,
public suspend fun MagixEndpoint.Companion.zmq(
host: String,
protocol: String = "tcp",
pubPort: Int = DEFAULT_MAGIX_ZMQ_PUB_PORT,
@ -80,5 +80,5 @@ public fun MagixEndpoint.Companion.zmq(
protocol,
pubPort,
pullPort,
coroutineContext = scope.coroutineContext
coroutineContext = coroutineContext
)

3
magix/magix-zmq/src/main/kotlin/space/kscince/magix/zmq/ZmqMagixFlowPlugin.kt
View File

@ -18,6 +18,7 @@ public class ZmqMagixFlowPlugin(
public val localHost: String = "tcp://*",
public val zmqPubSocketPort: Int = MagixEndpoint.DEFAULT_MAGIX_ZMQ_PUB_PORT,
public val zmqPullSocketPort: Int = MagixEndpoint.DEFAULT_MAGIX_ZMQ_PULL_PORT,
private val zContext: ZContext = ZContext()
) : MagixFlowPlugin {
override fun start(
@ -27,7 +28,7 @@ public class ZmqMagixFlowPlugin(
): Job = scope.launch(Dispatchers.IO) {
val logger = LoggerFactory.getLogger("magix-server-zmq")
ZContext().use { context ->
zContext.use { context ->
//launch the publishing job
val pubSocket = context.createSocket(SocketType.PUB)
pubSocket.bind("$localHost:$zmqPubSocketPort")