Add MQTT prototype (not tested)

controls-core/build.gradle.kts

@@ -15,6 +15,6 @@ kscience {
     }
     dependencies {
         api("space.kscience:dataforge-io:$dataforgeVersion")
-        api(npmlibs.kotlinx.datetime)
+        api(spclibs.kotlinx.datetime)
     }
 }

controls-storage/controls-xodus/build.gradle.kts

@@ -11,7 +11,7 @@ dependencies {
 //    implementation("org.jetbrains.xodus:xodus-environment:$xodusVersion")
 //    implementation("org.jetbrains.xodus:xodus-vfs:$xodusVersion")
 
-    testImplementation(npmlibs.kotlinx.coroutines.test)
+    testImplementation(spclibs.kotlinx.coroutines.test)
 }
 
 readme{

demo/all-things/build.gradle.kts

@@ -29,9 +29,13 @@ dependencies {
     implementation("ch.qos.logback:logback-classic:1.2.11")
 }
 
+kotlin{
+    jvmToolchain(11)
+}
+
+
 tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile>().configureEach {
     kotlinOptions {
-        jvmTarget = "11"
         freeCompilerArgs = freeCompilerArgs + listOf("-Xjvm-default=all", "-Xopt-in=kotlin.RequiresOptIn")
     }
 }

demo/car/build.gradle.kts

@@ -35,9 +35,12 @@ dependencies {
 //    implementation("org.litote.kmongo:kmongo-coroutine-serialization:4.4.0")
 }
 
+kotlin{
+    jvmToolchain(11)
+}
+
 tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile>().configureEach {
     kotlinOptions {
-        jvmTarget = "11"
         freeCompilerArgs = freeCompilerArgs + listOf("-Xjvm-default=all", "-Xopt-in=kotlin.RequiresOptIn")
     }
 }

demo/car/src/main/kotlin/space/kscience/controls/demo/car/VirtualCarController.kt

@@ -38,7 +38,7 @@ class VirtualCarController : Controller(), ContextAware {
         plugin(DeviceManager)
     }
 
-    private val deviceManager = context.fetch(DeviceManager, Meta {
+    private val deviceManager = context.request(DeviceManager, Meta {
         "xodusConfig" put {
             "entityStorePath" put deviceEntityStorePath.toString()
         }

demo/echo/build.gradle.kts

@@ -19,10 +19,12 @@ dependencies {
 
     implementation("ch.qos.logback:logback-classic:1.2.11")
 }
+kotlin{
+    jvmToolchain(11)
+}
 
 tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile>().configureEach {
     kotlinOptions {
-        jvmTarget = "11"
         freeCompilerArgs = freeCompilerArgs + listOf("-Xjvm-default=all", "-Xopt-in=kotlin.RequiresOptIn")
     }
 }

demo/magix-demo/build.gradle.kts

@@ -8,7 +8,7 @@ dependencies{
     implementation(projects.magix.magixServer)
     implementation(projects.magix.magixZmq)
     implementation(projects.magix.magixRsocket)
-    implementation("ch.qos.logback:logback-classic:1.2.3")
+    implementation(spclibs.logback.classic)
 }
 
 kotlin{

demo/motors/src/main/kotlin/ru/mipt/npm/devices/pimotionmaster/PiMotionMasterApp.kt

@@ -17,7 +17,7 @@ import ru.mipt.npm.devices.pimotionmaster.PiMotionMasterDevice.Axis.Companion.po
 import space.kscience.controls.manager.DeviceManager
 import space.kscience.controls.manager.installing
 import space.kscience.dataforge.context.Context
-import space.kscience.dataforge.context.fetch
+import space.kscience.dataforge.context.request
 import tornadofx.*
 
 class PiMotionMasterApp : App(PiMotionMasterView::class)
@@ -29,7 +29,7 @@ class PiMotionMasterController : Controller() {
     }
 
     //initialize deviceManager plugin
-    val deviceManager: DeviceManager = context.fetch(DeviceManager)
+    val deviceManager: DeviceManager = context.request(DeviceManager)
 
     // install device
     val motionMaster: PiMotionMasterDevice by deviceManager.installing(PiMotionMasterDevice)

gradle.properties

@@ -7,4 +7,4 @@ org.gradle.parallel=true
 publishing.github=false
 publishing.sonatype=false
 
-toolsVersion=0.14.3-kotlin-1.8.10
+toolsVersion=0.14.6-kotlin-1.8.20

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

magix/magix-mqtt/build.gradle.kts

@@ -0,0 +1,18 @@
+plugins {
+    id("space.kscience.gradle.jvm")
+    `maven-publish`
+}
+
+description = """
+   MQTT client magix endpoint
+""".trimIndent()
+
+dependencies {
+    api(projects.magix.magixApi)
+    implementation("com.hivemq:hivemq-mqtt-client:1.3.1")
+    implementation(spclibs.kotlinx.coroutines.jdk8)
+}
+
+readme{
+    maturity = space.kscience.gradle.Maturity.PROTOTYPE
+}

magix/magix-mqtt/src/main/kotlin/space/ksceince/magix/mqtt/MqttMagixEndpoint.kt

@@ -0,0 +1,69 @@
+package space.ksceince.magix.mqtt
+
+import com.hivemq.client.mqtt.MqttClient
+import com.hivemq.client.mqtt.datatypes.MqttQos
+import com.hivemq.client.mqtt.mqtt5.Mqtt5AsyncClient
+import kotlinx.coroutines.channels.awaitClose
+import kotlinx.coroutines.channels.trySendBlocking
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.callbackFlow
+import kotlinx.coroutines.future.await
+import space.kscience.magix.api.MagixEndpoint
+import space.kscience.magix.api.MagixMessage
+import space.kscience.magix.api.MagixMessageFilter
+import java.util.*
+
+
+public class MqttMagixEndpoint(
+    serverHost: String,
+    clientId: String = UUID.randomUUID().toString(),
+    public val topic: String = DEFAULT_MAGIX_TOPIC_NAME,
+    public val qos: MqttQos = MqttQos.AT_LEAST_ONCE,
+) : MagixEndpoint, AutoCloseable {
+
+    private val client: Mqtt5AsyncClient by lazy {
+        MqttClient.builder()
+            .identifier(clientId)
+            .serverHost(serverHost)
+            .useMqttVersion5()
+            .buildAsync()
+    }
+
+    private val connection by lazy {
+        client.connect()
+    }
+
+    override fun subscribe(filter: MagixMessageFilter): Flow<MagixMessage> = callbackFlow {
+        connection.await()
+        client.subscribeWith()
+            .topicFilter(topic)
+            .qos(qos)
+            .callback { published ->
+                val message = MagixEndpoint.magixJson.decodeFromString(
+                    MagixMessage.serializer(),
+                    published.payloadAsBytes.decodeToString()
+                )
+                trySendBlocking(message)
+            }
+            .send()
+
+        awaitClose {
+            client.disconnect()
+        }
+    }
+
+    override suspend fun broadcast(message: MagixMessage) {
+        connection.await()
+        client.publishWith().topic(topic).qos(qos).payload(
+            MagixEndpoint.magixJson.encodeToString(MagixMessage.serializer(), message).encodeToByteArray()
+        ).send()
+    }
+
+    override fun close() {
+        client.disconnect()
+    }
+
+    public companion object {
+        public const val DEFAULT_MAGIX_TOPIC_NAME: String = "magix"
+    }
+}

magix/magix-storage/magix-storage-xodus/build.gradle.kts

@@ -13,7 +13,7 @@ dependencies {
     api(projects.magix.magixApi)
     implementation("org.jetbrains.xodus:xodus-entity-store:$xodusVersion")
 
-    testImplementation(npmlibs.kotlinx.coroutines.test)
+    testImplementation(spclibs.kotlinx.coroutines.test)
 }
 
 readme{

settings.gradle.kts

@@ -1,7 +1,6 @@
 rootProject.name = "controls-kt"
 
 enableFeaturePreview("TYPESAFE_PROJECT_ACCESSORS")
-enableFeaturePreview("VERSION_CATALOGS")
 
 pluginManagement {
 
@@ -34,7 +33,7 @@ dependencyResolutionManagement {
     }
 
     versionCatalogs {
-        create("npmlibs") {
+        create("spclibs") {
             from("space.kscience:version-catalog:$toolsVersion")
         }
     }
@@ -56,6 +55,7 @@ include(
     ":magix:magix-java-client",
     ":magix:magix-zmq",
     ":magix:magix-rabbit",
+    ":magix:magix-mqtt",
 
 //    ":magix:magix-storage",
     ":magix:magix-storage:magix-storage-xodus",