kscience/controls-kt
7
0
Fork 0
Code Issues Pull Requests 1 Packages Projects Releases 1 Wiki Activity

[WIP] remote communication for CollectiveDevice

Browse Source
This commit is contained in:
Alexander Nozik 2024-06-09 15:09:43 +03:00
parent 13b80be884
commit e9bde68674
12 changed files with 312 additions and 143 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
controls-core/src/commonMain/kotlin/space/kscience/controls/peer/PeerConnection.kt
View File

@ -2,14 +2,13 @@ package space.kscience.controls.peer
import space.kscience.dataforge.io.Envelope
import space.kscience.dataforge.meta.Meta
import space.kscience.dataforge.names.Name
/**
* A manager that allows direct synchronous sending and receiving binary data
*/
public interface PeerConnection {
/**
* Receive an [Envelope] from a device with name [deviceName] on a given [address] with given [contentId].
* Receive an [Envelope] from a device on a given [address] with given [contentId].
*
* The address depends on the specifics of given [PeerConnection]. For example, it could be a TCP/IP port or
* magix endpoint name.
@ -20,13 +19,12 @@ public interface PeerConnection {
*/
public suspend fun receive(
address: String,
deviceName: Name,
contentId: String,
requestMeta: Meta = Meta.EMPTY,
): Envelope
/**
* Send an [envelope] to a device with name [deviceName] on a given [address]
* Send an [envelope] to a device on a given [address]
*
* The address depends on the specifics of given [PeerConnection]. For example, it could be a TCP/IP port or
* magix endpoint name.
@ -35,7 +33,6 @@ public interface PeerConnection {
*/
public suspend fun send(
address: String,
deviceName: Name,
envelope: Envelope,
requestMeta: Meta = Meta.EMPTY,
)

2
controls-server/src/jvmMain/kotlin/space/kscience/controls/server/deviceWebServer.kt
View File

@ -38,6 +38,7 @@ import space.kscience.dataforge.names.get
import space.kscience.magix.api.MagixEndpoint
import space.kscience.magix.api.MagixFlowPlugin
import space.kscience.magix.api.MagixMessage
import space.kscience.magix.api.start
import space.kscience.magix.server.magixModule
@ -215,5 +216,6 @@ public fun Application.deviceManagerModule(
plugins.forEach {
it.start(this, magixFlow)
}
magixModule(magixFlow)
}

2
demo/device-collective/build.gradle.kts
View File

@ -13,7 +13,9 @@ kscience {
commonMain {
implementation(projects.controlsVisualisationCompose)
implementation(projects.controlsConstructor)
implementation(projects.magix.magixServer)
implementation(projects.magix.magixRsocket)
implementation(projects.controlsMagix)
}
jvmMain {
// implementation("io.ktor:ktor-server-cio")

33
demo/device-collective/src/jvmMain/kotlin/CollectiveDevice.kt
View File

@ -6,24 +6,35 @@ import space.kscience.controls.api.Device
import space.kscience.controls.constructor.DeviceConstructor
import space.kscience.controls.constructor.MutableDeviceState
import space.kscience.controls.constructor.registerAsProperty
import space.kscience.controls.peer.PeerConnection
import space.kscience.controls.spec.DeviceSpec
import space.kscience.controls.spec.unit
import space.kscience.dataforge.context.Context
import space.kscience.dataforge.meta.MetaConverter
import space.kscience.dataforge.meta.Scheme
import space.kscience.dataforge.meta.int
import space.kscience.dataforge.meta.string
import space.kscience.dataforge.misc.DFExperimental
import space.kscience.maps.coordinates.Gmc
import space.kscience.maps.coordinates.GmcCurve
import kotlin.time.Duration.Companion.milliseconds
class CollectiveDeviceConfiguration(deviceId: DeviceId) : Scheme() {
typealias CollectiveDeviceId = String
class CollectiveDeviceConfiguration(deviceId: CollectiveDeviceId) : Scheme() {
var deviceId by string(deviceId)
var description by string()
var reportInterval by int(500)
var radioFrequency by string(default = "169 MHz")
}
typealias CollectiveDeviceRoster = Map<CollectiveDeviceId, CollectiveDeviceConfiguration>
interface CollectiveDevice : Device {
public val id: DeviceId
public val id: CollectiveDeviceId
public val peerConnection: PeerConnection
suspend fun getPosition(): Gmc
@ -31,8 +42,7 @@ interface CollectiveDevice : Device {
suspend fun setVelocity(value: GmcVelocity)
suspend fun listVisible(): Collection<DeviceId>
suspend fun listVisible(): Collection<CollectiveDeviceId>
companion object : DeviceSpec<CollectiveDevice>() {
val position by property<Gmc>(
@ -45,6 +55,10 @@ interface CollectiveDevice : Device {
read = { getVelocity() },
write = { _, value -> setVelocity(value) }
)
val listVisible by action(MetaConverter.unit, MetaConverter.valueList<String> { it.string }) {
listVisible().toList()
}
}
}
@ -54,13 +68,14 @@ class CollectiveDeviceConstructor(
val configuration: CollectiveDeviceConfiguration,
position: MutableDeviceState<Gmc>,
velocity: MutableDeviceState<GmcVelocity>,
private val listVisible: suspend () -> Collection<DeviceId>,
override val peerConnection: PeerConnection,
private val observation: suspend () -> Map<CollectiveDeviceId, GmcCurve>,
) : DeviceConstructor(context, configuration.meta), CollectiveDevice {
override val id: DeviceId get() = configuration.deviceId
override val id: CollectiveDeviceId get() = configuration.deviceId
val position = registerAsProperty(CollectiveDevice.position, position.sample(500.milliseconds))
val velocity = registerAsProperty(CollectiveDevice.velocity, velocity)
val position = registerAsProperty(CollectiveDevice.position, position.sample(configuration.reportInterval.milliseconds))
val velocity = registerAsProperty(CollectiveDevice.velocity, velocity.sample(configuration.reportInterval.milliseconds))
override suspend fun getPosition(): Gmc = position.value
@ -70,5 +85,5 @@ class CollectiveDeviceConstructor(
velocity.value = value
}
override suspend fun listVisible(): Collection<DeviceId> = listVisible.invoke()
override suspend fun listVisible(): Collection<CollectiveDeviceId> = observation.invoke().keys
}

86
demo/device-collective/src/jvmMain/kotlin/DeviceCollectiveModel.kt
View File

@ -1,27 +1,41 @@
package space.kscience.controls.demo.collective
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.Job
import kotlinx.coroutines.launch
import space.kscience.controls.client.launchMagixService
import space.kscience.controls.constructor.ModelConstructor
import space.kscience.controls.constructor.MutableDeviceState
import space.kscience.controls.constructor.onTimer
import space.kscience.controls.manager.DeviceManager
import space.kscience.controls.manager.install
import space.kscience.controls.peer.PeerConnection
import space.kscience.dataforge.context.Context
import space.kscience.dataforge.context.request
import space.kscience.dataforge.io.Envelope
import space.kscience.dataforge.meta.Meta
import space.kscience.dataforge.names.parseAsName
import space.kscience.magix.api.MagixEndpoint
import space.kscience.magix.rsocket.rSocketWithWebSockets
import space.kscience.magix.server.startMagixServer
import space.kscience.maps.coordinates.*
import kotlin.time.Duration
import kotlin.time.Duration.Companion.milliseconds
typealias DeviceId = String
internal data class VirtualDeviceState(
val id: DeviceId,
internal data class CollectiveDeviceState(
val id: CollectiveDeviceId,
val configuration: CollectiveDeviceConfiguration,
val position: MutableDeviceState<Gmc>,
val velocity: MutableDeviceState<GmcVelocity>,
)
internal fun VirtualDeviceState(
id: DeviceId,
id: CollectiveDeviceId,
position: Gmc,
configuration: CollectiveDeviceConfiguration.() -> Unit = {},
) = VirtualDeviceState(
) = CollectiveDeviceState(
id,
CollectiveDeviceConfiguration(id).apply(configuration),
MutableDeviceState(position),
@ -31,9 +45,11 @@ internal fun VirtualDeviceState(
internal class DeviceCollectiveModel(
context: Context,
val deviceStates: Collection<VirtualDeviceState>,
val visibilityRange: Distance,
) : ModelConstructor(context) {
val deviceStates: Collection<CollectiveDeviceState>,
val visibilityRange: Distance = 0.4.kilometers,
val radioRange: Distance = 5.kilometers,
val reportInterval: Duration = 1000.milliseconds
) : ModelConstructor(context), PeerConnection {
/**
* Propagate movement
@ -45,7 +61,7 @@ internal class DeviceCollectiveModel(
}
}
suspend fun locateVisible(id: DeviceId): Map<DeviceId, GmcCurve> {
private fun locateVisible(id: CollectiveDeviceId): Map<CollectiveDeviceId, GmcCurve> {
val coordinatesSnapshot = deviceStates.associate { it.id to it.position.value }
val selected = coordinatesSnapshot[id] ?: error("Can't find device with id $id")
@ -56,4 +72,52 @@ internal class DeviceCollectiveModel(
return allCurves.filterValues { it.distance in 0.kilometers..visibilityRange }
}
val devices = deviceStates.associate {
val device = CollectiveDeviceConstructor(
context = context,
configuration = it.configuration,
position = it.position,
velocity = it.velocity,
peerConnection = this,
) {
locateVisible(it.id)
}
//start movement program
device.moveInCircles()
it.id to device
}
val roster = deviceStates.associate { it.id to it.configuration }
override suspend fun receive(address: String, contentId: String, requestMeta: Meta): Envelope {
TODO("Not yet implemented")
}
override suspend fun send(address: String, envelope: Envelope, requestMeta: Meta) {
// devices.values.filter { it.configuration.radioFrequency == address }.forEach { device ->
// ```
// }
}
}
internal fun CoroutineScope.launchCollectiveMagixServer(
collectiveModel: DeviceCollectiveModel,
): Job = launch(Dispatchers.IO) {
val server = startMagixServer(
// RSocketMagixFlowPlugin()
)
collectiveModel.devices.forEach { (id, device) ->
val deviceContext = collectiveModel.context.buildContext(id.parseAsName()) {
coroutineContext(coroutineContext)
plugin(DeviceManager)
}
deviceContext.install(id, device)
val deviceEndpoint = MagixEndpoint.rSocketWithWebSockets("localhost")
deviceContext.request(DeviceManager).launchMagixService(deviceEndpoint, id)
}
}

19
demo/device-collective/src/jvmMain/kotlin/SampleDeviceState.kt
View File

@ -4,6 +4,7 @@ import kotlinx.coroutines.FlowPreview
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.sample
import space.kscience.controls.constructor.DeviceState
import space.kscience.controls.constructor.MutableDeviceState
import kotlin.time.Duration
@OptIn(FlowPreview::class)
@ -11,10 +12,24 @@ class SampleDeviceState<T>(
val origin: DeviceState<T>,
val interval: Duration,
) : DeviceState<T> {
override val value: T get() = origin.value
override val value: T by origin::value
override val valueFlow: Flow<T> get() = origin.valueFlow.sample(interval)
override fun toString(): String = "DebounceDeviceState($value, interval=$interval)"
}
fun <T> DeviceState<T>.sample(interval: Duration) = SampleDeviceState(this, interval)
fun <T> DeviceState<T>.sample(interval: Duration) = SampleDeviceState(this, interval)
@OptIn(FlowPreview::class)
class MutableSampleDeviceState<T>(
val origin: MutableDeviceState<T>,
val interval: Duration,
) : MutableDeviceState<T> {
override var value: T by origin::value
override val valueFlow: Flow<T> get() = origin.valueFlow.sample(interval)
override fun toString(): String = "DebounceDeviceState($value, interval=$interval)"
}
fun <T> MutableDeviceState<T>.sample(interval: Duration) = MutableSampleDeviceState(this, interval)

13
demo/device-collective/src/jvmMain/kotlin/debugModel.kt
View File

@ -12,6 +12,8 @@ import space.kscience.maps.coordinates.Gmc
import space.kscience.maps.coordinates.kilometers
import kotlin.math.PI
import kotlin.random.Random
import kotlin.time.Duration
import kotlin.time.Duration.Companion.milliseconds
private val deviceVelocity = 0.1.kilometers
@ -19,8 +21,13 @@ private val center = Gmc.ofDegrees(55.925, 37.514)
private val radius = 0.01.degrees
internal fun generateModel(context: Context): DeviceCollectiveModel {
val devices: List<VirtualDeviceState> = List(100) { index ->
internal fun generateModel(
context: Context,
size: Int = 50,
reportInterval: Duration = 500.milliseconds,
additionalConfiguration: CollectiveDeviceConfiguration.() -> Unit = {},
): DeviceCollectiveModel {
val devices: List<CollectiveDeviceState> = List(size) { index ->
val id = "device[$index]"
VirtualDeviceState(
@ -32,6 +39,8 @@ internal fun generateModel(context: Context): DeviceCollectiveModel {
) {
deviceId = id
description = "Virtual remote device $id"
this.reportInterval = reportInterval.inWholeMilliseconds.toInt()
additionalConfiguration()
}
}

218
demo/device-collective/src/jvmMain/kotlin/main.kt
View File

@ -24,74 +24,95 @@ import androidx.compose.ui.window.Window
import androidx.compose.ui.window.application
import io.ktor.client.HttpClient
import io.ktor.client.engine.cio.CIO
import kotlinx.coroutines.*
import kotlinx.coroutines.flow.launchIn
import kotlinx.coroutines.flow.onEach
import org.jetbrains.compose.splitpane.ExperimentalSplitPaneApi
import org.jetbrains.compose.splitpane.HorizontalSplitPane
import org.jetbrains.compose.splitpane.rememberSplitPaneState
import space.kscience.controls.api.PropertyChangedMessage
import space.kscience.controls.client.*
import space.kscience.controls.compose.conditional
import space.kscience.controls.manager.DeviceManager
import space.kscience.controls.spec.useProperty
import space.kscience.dataforge.context.Context
import space.kscience.dataforge.context.request
import space.kscience.dataforge.context.ContextBuilder
import space.kscience.dataforge.meta.MetaConverter
import space.kscience.dataforge.names.parseAsName
import space.kscience.magix.api.MagixEndpoint
import space.kscience.magix.api.subscribe
import space.kscience.magix.rsocket.rSocketWithWebSockets
import space.kscience.maps.compose.MapView
import space.kscience.maps.compose.OpenStreetMapTileProvider
import space.kscience.maps.coordinates.Gmc
import space.kscience.maps.coordinates.meters
import space.kscience.maps.features.*
import java.nio.file.Path
import kotlin.time.Duration.Companion.seconds
@Composable
fun rememberDeviceManager(): DeviceManager = remember {
val context = Context {
plugin(DeviceManager)
}
context.request(DeviceManager)
fun rememberContext(name: String, contextBuilder: ContextBuilder.() -> Unit = {}): Context = remember {
Context(name, contextBuilder)
}
@Composable
fun App() {
val scope = rememberCoroutineScope()
val deviceManager = rememberDeviceManager()
val collectiveModel = remember {
generateModel(deviceManager.context)
val parentContext = rememberContext("Parent") {
plugin(DeviceManager)
}
val devices: Map<DeviceId, CollectiveDevice> = remember {
collectiveModel.deviceStates.associate {
val device = CollectiveDeviceConstructor(
context = deviceManager.context,
configuration = it.configuration,
position = it.position,
velocity = it.velocity
) {
collectiveModel.locateVisible(it.id).keys
val collectiveModel = remember {
generateModel(parentContext, 60)
}
val roster = remember {
collectiveModel.roster
}
val client = remember { CompletableDeferred<MagixEndpoint>() }
val devices = remember { mutableStateMapOf<CollectiveDeviceId, DeviceClient>() }
LaunchedEffect(collectiveModel) {
launchCollectiveMagixServer(collectiveModel)
withContext(Dispatchers.IO) {
val magixClient = MagixEndpoint.rSocketWithWebSockets("localhost")
client.complete(magixClient)
collectiveModel.roster.forEach { (id, config) ->
devices[id] = magixClient.remoteDevice(parentContext, "listener", id, id.parseAsName())
}
device.moveInCircles()
it.id to device
}
}
var selectedDeviceId by remember { mutableStateOf<CollectiveDeviceId?>(null) }
var currentPosition by remember { mutableStateOf<Gmc?>(null) }
LaunchedEffect(selectedDeviceId, devices) {
selectedDeviceId?.let { devices[it] }?.propertyFlow(CollectiveDevice.position)?.collect {
currentPosition = it
}
}
var selectedDeviceId by remember { mutableStateOf<DeviceId?>(null) }
var showOnlyVisible by remember { mutableStateOf(false) }
val mapTileProvider = remember {
OpenStreetMapTileProvider(
client = HttpClient(CIO),
cacheDirectory = Path.of("mapCache")
)
}
HorizontalSplitPane(
splitPaneState = rememberSplitPaneState(0.9f)
) {
first(400.dp) {
MapView(
mapTileProvider = mapTileProvider,
mapTileProvider = remember {
OpenStreetMapTileProvider(
client = HttpClient(CIO),
cacheDirectory = Path.of("mapCache")
)
},
config = ViewConfig()
) {
collectiveModel.deviceStates.forEach { device ->
@ -103,65 +124,61 @@ fun App() {
}.launchIn(scope)
}
devices.forEach { (id, device) ->
device.useProperty(CollectiveDevice.position, scope = scope) { position ->
scope.launch {
val activeDevice = selectedDeviceId?.let { devices[it] }
client.await().subscribe(DeviceManager.magixFormat).onEach { (magixMessage, deviceMessage) ->
if (deviceMessage is PropertyChangedMessage && deviceMessage.property == "position") {
val id = magixMessage.sourceEndpoint
val position = MetaConverter.serializable<Gmc>().read(deviceMessage.value)
val activeDevice = selectedDeviceId?.let { devices[it] }
if (activeDevice == null || id == selectedDeviceId || !showOnlyVisible || id in activeDevice.listVisible()) {
rectangle(
position,
id = id,
size = if (selectedDeviceId == id) DpSize(10.dp, 10.dp) else DpSize(5.dp, 5.dp)
).color(if (selectedDeviceId == id) Color.Magenta else Color.Blue)
.modifyAttribute(AlphaAttribute, if (selectedDeviceId == id) 1f else 0.5f)
.onClick { selectedDeviceId = id }
} else {
removeFeature(id)
suspend fun DeviceClient.idIsVisible() = try {
withTimeout(1.seconds) {
id in execute(CollectiveDevice.listVisible)
}
} catch (ex: Exception) {
ex.printStackTrace()
true
}
if (
activeDevice == null ||
id == selectedDeviceId ||
!showOnlyVisible ||
activeDevice.idIsVisible()
) {
rectangle(
position,
id = id,
size = if (selectedDeviceId == id) DpSize(10.dp, 10.dp) else DpSize(5.dp, 5.dp)
).color(if (selectedDeviceId == id) Color.Magenta else Color.Blue)
.modifyAttribute(AlphaAttribute, if (selectedDeviceId == id) 1f else 0.5f)
.onClick { selectedDeviceId = id }
} else {
removeFeature(id)
}
}
}.launchIn(scope)
}
}
}
}
second(200.dp) {
Column {
selectedDeviceId?.let { id ->
Column(
modifier = Modifier
.padding(8.dp)
.border(2.dp, Color.DarkGray)
Column(
modifier = Modifier.verticalScroll(rememberScrollState())
) {
devices.forEach { (id, _) ->
Card(
elevation = 16.dp,
modifier = Modifier.padding(8.dp).onClick {
selectedDeviceId = id
}.conditional(id == selectedDeviceId) {
border(2.dp, Color.Blue)
}
) {
Card(
elevation = 16.dp,
) {
Text(
text = "Выбран: $id",
fontSize = 16.sp,
fontWeight = FontWeight.Bold,
modifier = Modifier.padding(10.dp).fillMaxWidth()
)
}
devices[id]?.let {
Text(it.meta.toString(), Modifier.padding(10.dp))
}
Row(verticalAlignment = Alignment.CenterVertically, modifier = Modifier.padding(10.dp).fillMaxWidth()) {
Text("Показать только видимые")
Checkbox(showOnlyVisible, { showOnlyVisible = it })
}
}
}
Column(
modifier = Modifier.verticalScroll(rememberScrollState())
) {
devices.forEach { (id, device) ->
Card(
elevation = 16.dp,
modifier = Modifier.padding(8.dp).onClick {
selectedDeviceId = id
}.conditional(id == selectedDeviceId) {
border(2.dp, Color.Blue)
}
Column(
modifier = Modifier.padding(8.dp)
) {
Text(
text = id,
@ -169,16 +186,49 @@ fun App() {
fontWeight = FontWeight.Bold,
modifier = Modifier.padding(10.dp).fillMaxWidth()
)
if (id == selectedDeviceId) {
roster[id]?.let {
Text("Meta:", color = Color.Blue, fontWeight = FontWeight.Bold)
Card(elevation = 16.dp, modifier = Modifier.fillMaxWidth().padding(8.dp)) {
Text(it.toString())
}
}
currentPosition?.let { currentPosition ->
Text("Широта: ${String.format("%.3f", currentPosition.latitude.toDegrees().value)}")
Text(
"Долгота: ${
String.format(
"%.3f",
currentPosition.longitude.toDegrees().value
)
}"
)
currentPosition.elevation?.let {
Text("Высота: ${String.format("%.1f", it.meters)} м")
}
}
Row(
verticalAlignment = Alignment.CenterVertically,
modifier = Modifier.fillMaxWidth()
) {
Text("Показать только видимые")
Checkbox(showOnlyVisible, { showOnlyVisible = it })
}
}
}
}
}
}
}
}
}
fun main() = application {
// System.setProperty(IO_PARALLELISM_PROPERTY_NAME, 300.toString())
Window(onCloseRequest = ::exitApplication, title = "Maps-kt demo", icon = painterResource("SPC-logo.png")) {
MaterialTheme {
App()

3
demo/many-devices/src/main/kotlin/space/kscience/controls/demo/MassDevice.kt
View File

@ -83,8 +83,7 @@ suspend fun main() {
val endpointId = "device$it"
val deviceEndpoint = MagixEndpoint.rSocketStreamWithWebSockets("localhost")
deviceManager.launchMagixService(deviceEndpoint, endpointId, Dispatchers.IO)
deviceManager.launchMagixService(deviceEndpoint, endpointId)
}
val trace = Bar {

13
magix/magix-api/src/commonMain/kotlin/space/kscience/magix/api/MagixFlowPlugin.kt
View File

@ -21,9 +21,10 @@ public fun interface MagixFlowPlugin {
sendMessage: suspend (MagixMessage) -> Unit,
): Job
/**
* Use the same [MutableSharedFlow] to send and receive messages. Could be a bottleneck in case of many plugins.
*/
public fun start(scope: CoroutineScope, magixFlow: MutableSharedFlow<MagixMessage>): Job =
start(scope, magixFlow) { magixFlow.emit(it) }
}
}
/**
* Use the same [MutableSharedFlow] to send and receive messages. Could be a bottleneck in case of many plugins.
*/
public fun MagixFlowPlugin.start(scope: CoroutineScope, magixFlow: MutableSharedFlow<MagixMessage>): Job =
start(scope, magixFlow) { magixFlow.emit(it) }

57
magix/magix-server/src/jvmMain/kotlin/space/kscience/magix/server/magixModule.kt
View File

@ -10,7 +10,9 @@ import io.ktor.server.util.getValue
import io.ktor.server.websocket.WebSockets
import io.rsocket.kotlin.ktor.server.RSocketSupport
import io.rsocket.kotlin.ktor.server.rSocket
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.MutableSharedFlow
import kotlinx.coroutines.flow.SharedFlow
import kotlinx.coroutines.flow.map
import kotlinx.html.*
import kotlinx.serialization.encodeToString
@ -42,7 +44,11 @@ private fun ApplicationCall.buildFilter(): MagixMessageFilter {
/**
* Attach magix http/sse and websocket-based rsocket event loop + statistics page to existing [MutableSharedFlow]
*/
public fun Application.magixModule(magixFlow: MutableSharedFlow<MagixMessage>, route: String = "/") {
public fun Application.magixModule(
magixFlow: Flow<MagixMessage>,
send: suspend (MagixMessage) -> Unit,
route: String = "/",
) {
if (pluginOrNull(WebSockets) == null) {
install(WebSockets)
}
@ -62,27 +68,31 @@ public fun Application.magixModule(magixFlow: MutableSharedFlow<MagixMessage>, r
routing {
route(route) {
install(ContentNegotiation){
install(ContentNegotiation) {
json()
}
get("state") {
call.respondHtml {
head {
meta {
httpEquiv = "refresh"
content = "2"
if (magixFlow is SharedFlow) {
get("state") {
call.respondHtml {
head {
meta {
httpEquiv = "refresh"
content = "2"
}
}
}
body {
h1 { +"Magix loop statistics" }
h2 { +"Number of subscribers: ${magixFlow.subscriptionCount.value}" }
h3 { +"Replay cache size: ${magixFlow.replayCache.size}" }
h3 { +"Replay cache:" }
ol {
magixFlow.replayCache.forEach { message ->
li {
code {
+magixJson.encodeToString(message)
body {
h1 { +"Magix loop statistics" }
if (magixFlow is MutableSharedFlow) {
h2 { +"Number of subscribers: ${magixFlow.subscriptionCount.value}" }
}
h3 { +"Replay cache size: ${magixFlow.replayCache.size}" }
h3 { +"Replay cache:" }
ol {
magixFlow.replayCache.forEach { message ->
li {
code {
+magixJson.encodeToString(message)
}
}
}
}
@ -102,17 +112,22 @@ public fun Application.magixModule(magixFlow: MutableSharedFlow<MagixMessage>, r
}
post("broadcast") {
val message = call.receive<MagixMessage>()
magixFlow.emit(message)
send(message)
}
//rSocket WS server. Filter from Payload
rSocket(
"rsocket",
acceptor = RSocketMagixFlowPlugin.acceptor(application, magixFlow) { magixFlow.emit(it) }
acceptor = RSocketMagixFlowPlugin.acceptor(application, magixFlow) { send(it) }
)
}
}
}
public fun Application.magixModule(
magixFlow: MutableSharedFlow<MagixMessage>,
route: String = "/",
): Unit = magixModule(magixFlow, { magixFlow.emit(it) }, route)
/**
* Create a new loop [MutableSharedFlow] with given [buffer] and setup magix module based on it
*/

2
magix/magix-server/src/jvmMain/kotlin/space/kscience/magix/server/server.kt
View File

@ -9,6 +9,7 @@ import kotlinx.coroutines.flow.MutableSharedFlow
import space.kscience.magix.api.MagixEndpoint.Companion.DEFAULT_MAGIX_HTTP_PORT
import space.kscience.magix.api.MagixFlowPlugin
import space.kscience.magix.api.MagixMessage
import space.kscience.magix.api.start
/**
@ -22,7 +23,6 @@ public fun CoroutineScope.startMagixServer(
val magixFlow = MutableSharedFlow<MagixMessage>(
replay = buffer,
extraBufferCapacity = buffer,
onBufferOverflow = BufferOverflow.DROP_OLDEST
)