Script monitoring

build-all.sh

@@ -16,8 +16,8 @@ cp clients/cli/build/libs/phoebench-cli.jar artifacts/
 cp clients/compose/build/compose/binaries/main/app/com.jaytux.phoebench.clients/phoebench-linux.zip artifacts/
 
 mkdir -p artifacts/wasm
-cp clients/compose/build/kotlin-webpack/wasmJs/productionExecutable/* clients/compose/src/wasmJsMain/resources/* artifacts/wasm
+cp -r clients/compose/build/kotlin-webpack/wasmJs/productionExecutable/* clients/compose/build/processedResources/wasmJs/main/* artifacts/wasm
-(cd artifacts/wasm && zip phoebench-wasm.zip -r ./*)
+(cd artifacts/wasm && rm config.json && zip phoebench-wasm.zip -r ./*)
 mv artifacts/wasm/phoebench-wasm.zip artifacts/
 rm -fr artifacts/wasm
 

build.gradle.kts

@@ -14,4 +14,4 @@ repositories {
   mavenCentral()
 }
 
-version = PhoebenchVersion(1, 1, 0, "")
+version = PhoebenchVersion(1, 2, 0, "")

buildSrc/src/main/kotlin/BuildUtil.kt

@@ -0,0 +1,18 @@
+import org.gradle.api.Project
+
+fun Project.envValue(key: String): String? {
+    val fromEnv = providers.environmentVariable(key).orNull
+    if(fromEnv != null) return fromEnv
+
+    val envFile = rootProject.file(".env")
+    if(!envFile.exists()) return null
+
+    return envFile.useLines { lines ->
+        lines.map { it.trim() }.filter { it.isNotBlank() && !it.startsWith('#') && '=' in it }
+            .map { line ->
+                val (k, v) = line.split('=', limit = 2)
+                k.trim() to v.trim().removeSurrounding("\"").removeSurrounding("'")
+            }
+            .firstOrNull { it.first == key }?.second
+    }
+}

clients/cli/build.gradle.kts

@@ -5,10 +5,11 @@ plugins {
     application
     alias(libs.plugins.serialization)
     alias(libs.plugins.shadow)
+    alias(libs.plugins.buildconfig)
 }
 
 group = "com.jaytux.phoebench"
-version = PhoebenchVersion(1, 1, 1)
+version = rootProject.version as PhoebenchVersion
 
 if((version as PhoebenchVersion) < (rootProject.version as PhoebenchVersion))
     throw GradleException("CLI Client version must be at least as high as protocol/common version")
@@ -28,12 +29,15 @@ val generateVersion = tasks.register<Task>("serverVersion") {
     }
 }
 
+val isDebug = envValue("PHOEBENCH_BUILD_RELEASE") == null
+
 dependencies {
     implementation(kotlin("stdlib"))
     implementation(libs.clikt)
     implementation(libs.ktor.client.core)
     implementation(libs.ktor.client.auth)
     implementation(libs.ktor.client.content.negotiation)
+    implementation(libs.ktor.client.websocket)
     implementation(libs.kotlinx.datetime)
     implementation(libs.kotlinx.serialization)
     implementation(project(":common"))
@@ -42,6 +46,7 @@ dependencies {
     implementation(libs.slf4j.simple)
     implementation(libs.java.keystore)
     implementation(libs.ktor.serialization.kotlinx.json)
+    implementation(libs.process)
 }
 
 application {
@@ -75,5 +80,24 @@ kotlin {
 }
 
 tasks.withType<ShadowJar> {
-    archiveFileName = "phoebench-cli.jar"
+    archiveFileName = if(isDebug) "phoebench-cli-debug.jar" else "phoebench-cli.jar"
+}
+
+buildConfig {
+    generateAtSync = false
+    useKotlinOutput { internalVisibility = false }
+
+    println("Source sets: ${kotlin.sourceSets.toList().map { it.name }}")
+
+    className("PersistenceConstants")
+    packageName("com.jaytux.phoebench.clients.cli")
+
+    if(isDebug) {
+        println("Using debug CLI service")
+        buildConfigField("SERVICE", "com.jaytux.phoebench.cli.debug")
+    }
+    else {
+        println("Using release CLI service")
+        buildConfigField("SERVICE", "com.jaytux.phoebench.cli")
+    }
 }

clients/cli/src/main/kotlin/com/jaytux/phoebench/clients/cli/CLI.kt

@@ -1,6 +1,8 @@
 package com.jaytux.phoebench.clients.cli
 
 import com.github.ajalt.clikt.core.*
+import com.github.ajalt.clikt.parameters.arguments.argument
+import com.github.ajalt.clikt.parameters.arguments.multiple
 import com.github.ajalt.clikt.parameters.groups.mutuallyExclusiveOptions
 import com.github.ajalt.clikt.parameters.groups.single
 import com.github.ajalt.clikt.parameters.options.*
@@ -227,6 +229,24 @@ object CLI {
             }
         }
 
+        @Suppress("unused")
+        class Monitor : CliktCommand(name = "monitor") {
+            val finder by mutuallyExclusiveOptions<Project.IProjectIdentification>(
+                option("--id", help = "Find a project by UUID.").convert { Project.ID(Uuid.parse(it)) },
+                option("--name", help = "Find a project by name (formatted [user]/[project])").convert {
+                    val split = it.split('/')
+                    if(split.size != 2) throw IllegalArgumentException("Invalid format (expected [user]/[project])")
+                    Project.ProjectName(split[0], split[1])
+                }
+            ).single()
+            val command by argument("command", help = "The command to be run")
+            val commandArgs by argument("arguments", help = "Arguments to pass to the command").multiple()
+
+            override fun run() {
+                MonitorHandler.monitor(finder, command, commandArgs)
+            }
+        }
+
         @Suppress("unused")
         class Version : CliktCommand(name = "version") {
             override fun run() {

clients/cli/src/main/kotlin/com/jaytux/phoebench/clients/cli/Client.kt

@@ -1,6 +1,7 @@
 package com.jaytux.phoebench.clients.cli
 
 import com.jaytux.phoebench.common.ApiRoute
+import com.jaytux.phoebench.common.CSERoute
 import com.jaytux.phoebench.common.Either
 import com.jaytux.phoebench.common.ErrorResponse
 import com.jaytux.phoebench.common.IClient
@@ -9,15 +10,31 @@ import com.jaytux.phoebench.common.Routes
 import com.jaytux.phoebench.common.TokenResponse
 import com.jaytux.phoebench.common.error
 import com.jaytux.phoebench.common.foldSuspend
+import com.jaytux.phoebench.common.value
 import io.ktor.client.HttpClient
+import io.ktor.client.call.body
 import io.ktor.client.engine.okhttp.OkHttp
+import io.ktor.client.plugins.ResponseException
 import io.ktor.client.plugins.auth.Auth
 import io.ktor.client.plugins.auth.providers.BearerTokens
 import io.ktor.client.plugins.auth.providers.bearer
 import io.ktor.client.plugins.contentnegotiation.ContentNegotiation
+import io.ktor.client.plugins.websocket.WebSocketException
+import io.ktor.client.plugins.websocket.WebSockets
+import io.ktor.client.plugins.websocket.sendSerialized
+import io.ktor.client.plugins.websocket.webSocket
+import io.ktor.client.request.url
+import io.ktor.http.HttpMethod
+import io.ktor.serialization.kotlinx.KotlinxWebsocketSerializationConverter
 import io.ktor.serialization.kotlinx.json.json
+import io.ktor.util.reflect.TypeInfo
+import io.ktor.util.reflect.typeInfo
 import io.ktor.utils.io.CancellationException
+import io.ktor.websocket.CloseReason
 import kotlinx.coroutines.asExecutor
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.json.Json
+import java.net.URL
 import kotlin.uuid.Uuid
 
 object Client {
@@ -68,6 +85,10 @@ object Client {
                 }
             }
         }
+
+        install(WebSockets) {
+            contentConverter = KotlinxWebsocketSerializationConverter(Json)
+        }
     }
 
     init {
@@ -91,6 +112,19 @@ object Client {
     suspend fun <TReq: Any, TRes: Any> callRoute(route: ApiRoute<TReq, TRes>, body: TReq): Either<ErrorResponse, TRes> =
         callRoute(_client, route, body)
 
+    suspend fun <TParams: Any, TEvent: Any> callCSE(
+        route: CSERoute<TParams, TEvent>, params: TParams,
+        body: suspend (sender: suspend (TEvent) -> Unit) -> Unit
+    ): Either<ErrorResponse, Unit> {
+        try {
+            val client = IClient.Default(_client, _server ?: throw IllegalStateException("No server URL set."))
+            return route.call(client, params, body)
+        }
+        catch(e: CancellationException) {
+            return ErrorResponse("Event stream disconnected.").error()
+        }
+    }
+
     fun onLogin(tokens: TokenResponse) {
         _refreshToken = tokens.refresh
         _accessToken = tokens.access

clients/cli/src/main/kotlin/com/jaytux/phoebench/clients/cli/MonitorHandler.kt

@@ -0,0 +1,83 @@
+package com.jaytux.phoebench.clients.cli
+
+import com.github.pgreze.process.Redirect
+import com.github.pgreze.process.process
+import com.jaytux.phoebench.clients.cli.ProjectHandlers.toId
+import com.jaytux.phoebench.common.ANSI
+import com.jaytux.phoebench.common.ClientMonitorEvent
+import com.jaytux.phoebench.common.Routes
+import com.jaytux.phoebench.common.Stream
+import com.jaytux.phoebench.common.bind
+import com.jaytux.phoebench.common.fold
+import io.ktor.http.HttpMethod
+import io.ktor.utils.io.CancellationException
+import kotlin.random.Random
+import kotlin.time.Clock
+import kotlin.time.Instant
+
+object MonitorHandler {
+    private fun filterAnsi(line: String): Pair<String, List<ANSI>> {
+        val builder = StringBuilder()
+        val codes = mutableSetOf<ANSI>()
+        var remaining = line
+        while(remaining.isNotEmpty()) {
+            val next = remaining.indexOf("\u001B[")
+            if(next < 0) {
+                builder.append(remaining)
+                remaining = ""
+            }
+            else {
+                builder.append(remaining.substring(0, next))
+                val end = remaining.indexOf('m', startIndex = next + 2)
+                if(end == -1) return (line to listOf()) // invalid...
+                codes += remaining.substring(next + 2, end).split(';').mapNotNull {
+                    it.toIntOrNull()?.let { i -> ANSI.ansiMapping[i] }
+                }
+                remaining = remaining.substring(end + 1)
+            }
+        }
+
+        return builder.toString() to codes.toList()
+    }
+
+    fun monitor(find: CLI.Commands.Project.IProjectIdentification?, command: String, args: List<String>) {
+        val project = ProjectHandlers.ensureProjectIdentification(find)
+        val combinedCommand = arrayOf(command, *args.toTypedArray())
+        tryAuthenticated {
+            project.toId().bind { id ->
+                Client.callCSE(Routes.CSE.monitor, id) { sender ->
+                    try {
+                        val res = process(
+                            *combinedCommand,
+                            stdin = null,
+                            stdout = Redirect.Consume { flow ->
+                                flow.collect { line ->
+                                    val (updLine, options) = filterAnsi(line)
+                                    sender(ClientMonitorEvent.Message(msg = updLine, stream = Stream.STDOUT, options = options))
+                                    println(line)
+                                }
+                            },
+                            stderr = Redirect.Consume { flow ->
+                                flow.collect { line ->
+                                    val (updLine, options) = filterAnsi(line)
+                                    sender(ClientMonitorEvent.Message(msg = updLine, stream = Stream.STDERR, options = options))
+                                    System.err.println(line)
+                                }
+                            }
+                        )
+
+                        sender(ClientMonitorEvent.ApplicationFinished(res.resultCode))
+                    }
+                    catch(e: CancellationException) {
+                        throw e
+                    }
+                    catch(e: Exception) {
+                        System.err.println("Launch failed: ${e.message} (${e::class.simpleName})")
+                    }
+                }
+            }
+        }.fold({
+            System.err.println("Failed to run: ${it.msg}")
+        }) {}
+    }
+}

clients/cli/src/main/kotlin/com/jaytux/phoebench/clients/cli/PersistentStorage.kt

@@ -10,7 +10,7 @@ import kotlin.uuid.Uuid
 
 object PersistentStorage {
     private val json = Json
-    const val SERVICE = "com.jaytux.phoebench.cli"
+    const val SERVICE = PersistenceConstants.SERVICE
     private var _backend: IBackend = KeyringBackend
 
     interface IBackend {

clients/compose/build.gradle.kts

@@ -13,7 +13,7 @@ plugins {
     alias(libs.plugins.buildconfig)
 }
 
-version = PhoebenchVersion(1, 1, 2)
+version = rootProject.version as PhoebenchVersion
 
 if((version as PhoebenchVersion) < (rootProject.version as PhoebenchVersion))
     throw GradleException("UI Clients version must be at least as high as protocol/common version")
@@ -142,23 +142,6 @@ compose.desktop {
     }
 }
 
-fun envValue(key: String): String? {
-    val fromEnv = providers.environmentVariable(key).orNull
-    if(fromEnv != null) return fromEnv
-
-    val envFile = rootProject.file(".env")
-    if(!envFile.exists()) return null
-
-    return envFile.useLines { lines ->
-        lines.map { it.trim() }.filter { it.isNotBlank() && !it.startsWith('#') && '=' in it }
-            .map { line ->
-                val (k, v) = line.split('=', limit = 2)
-                k.trim() to v.trim().removeSurrounding("\"").removeSurrounding("'")
-            }
-            .firstOrNull { it.first == key }?.second
-    }
-}
-
 buildConfig {
     generateAtSync = false
     useKotlinOutput { internalVisibility = false }

clients/compose/src/commonMain/kotlin/com/jaytux/phoebench/clients/PlatformAPI.kt

@@ -4,8 +4,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.draganddrop.DragAndDropEvent
 import androidx.compose.ui.draganddrop.DragAndDropTransferData
 import androidx.compose.ui.platform.ClipEntry
-import io.ktor.client.HttpClient
+import io.ktor.client.*
-import io.ktor.client.HttpClientConfig
 import kotlinx.serialization.KSerializer
 import kotlinx.serialization.serializer
 import kotlin.uuid.Uuid

clients/compose/src/commonMain/kotlin/com/jaytux/phoebench/clients/Util.kt

@@ -1,9 +1,15 @@
 package com.jaytux.phoebench.clients
 
+import androidx.compose.material3.Typography
+import androidx.compose.runtime.Composable
 import androidx.compose.runtime.MutableState
 import androidx.compose.runtime.State
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.toArgb
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontStyle
+import androidx.compose.ui.text.font.FontWeight
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.jaytux.phoebench.common.Either
@@ -18,9 +24,10 @@ import kotlinx.datetime.format.MonthNames
 import kotlinx.datetime.format.Padding
 import kotlinx.datetime.format.char
 import kotlinx.datetime.toLocalDateTime
+import org.jetbrains.compose.resources.Font
+import phoebench.clients.compose.generated.resources.*
 import kotlin.math.absoluteValue
 import kotlin.math.pow
-import kotlin.math.roundToInt
 import kotlin.random.Random
 import kotlin.random.nextInt
 import kotlin.time.Clock
@@ -145,3 +152,15 @@ fun List<Float>.geomean(): Float {
     for(value in this) prod *= value
     return prod.pow(1.0f / size.toFloat())
 }
+
+@Composable
+fun TextStyle.makeMonospaced(): TextStyle {
+    val family = FontFamily(
+        Font(Res.font.JetBrainsMono_Regular, weight = FontWeight.Normal, style = FontStyle.Normal),
+        Font(Res.font.JetBrainsMono_Bold, weight = FontWeight.Bold, style = FontStyle.Normal),
+        Font(Res.font.JetBrainsMono_Italic, weight = FontWeight.Normal, style = FontStyle.Italic),
+        Font(Res.font.JetBrainsMono_BoldItalic, weight = FontWeight.Bold, style = FontStyle.Italic)
+    )
+
+    return copy(fontFamily = family)
+}

clients/compose/src/commonMain/kotlin/com/jaytux/phoebench/clients/data/IProjectRepo.kt

@@ -38,6 +38,8 @@ interface IProjectRepo {
                          unit: TimeUnit, input: String, hardware: String): Either<ErrorResponse, EntryResponse>
     suspend fun deleteEntry(id: Uuid): Either<ErrorResponse, Unit>
 
+    suspend fun deleteMonitorLogs(): Either<ErrorResponse, Unit>
+
     companion object {
         class Default(private val _client: Client, private val _projectId: Uuid) : IProjectRepo {
             override suspend fun get(): Either<ErrorResponse, ProjectResponse> =
@@ -74,6 +76,9 @@ interface IProjectRepo {
 
             override suspend fun deleteEntry(id: Uuid): Either<ErrorResponse, Unit> =
                 _client.callRoute(Routes.Entry.delete, id).ignoreValue()
+
+            override suspend fun deleteMonitorLogs(): Either<ErrorResponse, Unit> =
+                _client.callRoute(Routes.Project.rmMonitor, _projectId).ignoreValue()
         }
 
         fun default(client: Client, projectId: Uuid) = Default(client, projectId)

clients/compose/src/commonMain/kotlin/com/jaytux/phoebench/clients/data/ISSERepo.kt

@@ -7,12 +7,14 @@ import com.jaytux.phoebench.common.ErrorResponse
 import com.jaytux.phoebench.common.HomeEvent
 import com.jaytux.phoebench.common.ProjectEvent
 import com.jaytux.phoebench.common.Routes
+import com.jaytux.phoebench.common.ServerMonitorEvent
 import kotlin.uuid.Uuid
 
 interface ISSERepo {
     suspend fun connectHome(onEvent: suspend (Either<ErrorResponse, HomeEvent>) -> Unit): Either<ErrorResponse, Unit>
     suspend fun connectAdmin(onEvent: suspend (Either<ErrorResponse, AdminEvent>) -> Unit): Either<ErrorResponse, Unit>
     suspend fun connectProject(id: Uuid, onEvent: suspend (Either<ErrorResponse, ProjectEvent>) -> Unit): Either<ErrorResponse, Unit>
+    suspend fun connectMonitor(id: Uuid, onEvent: suspend (Either<ErrorResponse, ServerMonitorEvent>) -> Unit): Either<ErrorResponse, Unit>
 
     companion object {
         class Default(private val _client: Client) : ISSERepo {
@@ -24,6 +26,9 @@ interface ISSERepo {
 
             override suspend fun connectProject(id: Uuid, onEvent: suspend (Either<ErrorResponse, ProjectEvent>) -> Unit): Either<ErrorResponse, Unit> =
                 _client.callSSE(Routes.SSE.projectSpecific, id, onEvent)
+
+            override suspend fun connectMonitor(id: Uuid, onEvent: suspend (Either<ErrorResponse, ServerMonitorEvent>) -> Unit): Either<ErrorResponse, Unit> =
+                _client.callSSE(Routes.SSE.monitor, id, onEvent)
         }
 
         fun default(client: Client) = Default(client)

clients/compose/src/commonMain/kotlin/com/jaytux/phoebench/clients/data/ProjectVM.kt

@@ -1,5 +1,6 @@
 package com.jaytux.phoebench.clients.data
 
+import androidx.compose.runtime.mutableStateListOf
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.ui.graphics.Color
 import androidx.lifecycle.ViewModel
@@ -18,7 +19,9 @@ import com.jaytux.phoebench.common.BenchmarkResponse
 import com.jaytux.phoebench.common.EntryResponse
 import com.jaytux.phoebench.common.VersionResponse
 import com.jaytux.phoebench.common.ProjectEvent
+import com.jaytux.phoebench.common.ServerMonitorEvent
 import com.jaytux.phoebench.common.TimeUnit
+import com.jaytux.phoebench.common.fold
 import kotlinx.coroutines.Job
 import kotlin.time.Clock
 import kotlin.time.Instant
@@ -87,6 +90,7 @@ class ProjectVM(
     private val _currentBenchmark = mutableStateOf(0)
     private val _inputs = mutableStateOf(setOf<String>())
     private val _hardware = mutableStateOf(setOf<String>())
+    private val _monitorMessages = mutableStateOf<List<ServerMonitorEvent.ITextEvent>?>(null)
 
     val name = _name.immutable()
     val owner = _owner.immutable()
@@ -97,8 +101,10 @@ class ProjectVM(
     val currentBenchmark = _currentBenchmark.immutable()
     val inputs = _inputs.immutable()
     val hardware = _hardware.immutable()
+    val monitorMessages = _monitorMessages.immutable()
 
     private var _job: Job? = null
+    private var _monitorJob: Job? = null
 
     init {
         _job = withScope {
@@ -221,7 +227,7 @@ class ProjectVM(
                     val (updated, idx) = _benchmarks.value.insortIdx(
                         Benchmark.fromResponse(bench, _labels.value, { i -> _inputs.value += i }, { hw -> _hardware.value += hw })
                     ) { it.name }
-                    _currentBenchmark.value?.let { curr ->
+                    _currentBenchmark.value.let { curr ->
                         if(idx != null) {
                             if(idx < curr) _currentBenchmark.value = curr + 1
                         }
@@ -279,4 +285,37 @@ class ProjectVM(
     fun selectBenchmark(id: Uuid) {
         _currentBenchmark.value = maxOf(_benchmarks.value.indexOfFirst { it.id == id }, 0)
     }
+
+    fun openMonitor() {
+        if(_monitorJob != null) return
+        _monitorMessages.value = listOf()
+        _monitorJob = withScope {
+            _sseRepo.connectMonitor(_id) { ev ->
+                ev.snackOr {
+                    when(it) {
+                        is ServerMonitorEvent.Backlog -> {
+                            val res = ArrayList<ServerMonitorEvent.ITextEvent>(it.messages.size + 2)
+                            it.start?.let { start -> res += start }
+                            res.addAll(it.messages)
+                            it.end?.let { end -> res += end }
+                            _monitorMessages.value = res
+                        }
+                        ServerMonitorEvent.Cleared -> _monitorMessages.value = listOf()
+                        is ServerMonitorEvent.ApplicationEnd, is ServerMonitorEvent.ApplicationStart, is ServerMonitorEvent.Message ->
+                            _monitorMessages.value = (_monitorMessages.value ?: listOf()) + it
+                    }
+                }
+            }
+        }
+    }
+
+    fun closeMonitor() {
+        _monitorJob?.cancel()
+        _monitorJob = null
+        _monitorMessages.value = null
+    }
+
+    fun clearMonitor() = withScope {
+        _repo.deleteMonitorLogs().snackOnError()
+    }
 }

clients/compose/src/commonMain/kotlin/com/jaytux/phoebench/clients/ui/ProjectView.kt

@@ -18,12 +18,14 @@ import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.SolidColor
 import androidx.compose.ui.layout.onGloballyPositioned
 import androidx.compose.ui.platform.LocalDensity
+import androidx.compose.ui.platform.LocalTextToolbar
 import androidx.compose.ui.text.font.FontStyle
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextDecoration
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.window.Dialog
+import androidx.compose.ui.window.DialogProperties
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.composables.icons.lucide.*
 import com.jaytux.phoebench.clients.*
@@ -57,6 +59,7 @@ fun ProjectView(id: Uuid, forceBack: () -> Unit) {
     val versions by vm.versions
     val benchmarks by vm.benchmarks
     val currentBenchmark by vm.currentBenchmark
+    val monitor by vm.monitorMessages
 
     var editing by remember { mutableStateOf(false) }
     var deleting by remember { mutableStateOf(false) }
@@ -64,16 +67,20 @@ fun ProjectView(id: Uuid, forceBack: () -> Unit) {
 
     Column(Modifier.padding(all = 15.dp)) {
         Row(Modifier.height(IntrinsicSize.Min), verticalAlignment = Alignment.CenterVertically) {
-            Text("Project ${name ?: "Unnamed Project"}", style = MaterialTheme.typography.headlineMedium)
+                Text("Project ${name ?: "Unnamed Project"}", style = MaterialTheme.typography.headlineMedium)
-            if(editable) {
+                if (editable) {
-                Spacer(Modifier.width(25.dp))
+                    Spacer(Modifier.width(25.dp))
-                IconButton({ editing = true }) {
+                    IconButton({ editing = true }) {
-                    Icon(Lucide.Pencil, "Edit project details")
+                        Icon(Lucide.Pencil, "Edit project details")
+                    }
+                    IconButton({ deleting = true }) {
+                        Icon(Lucide.Trash, "Delete project")
+                    }
+                    IconButton({ vm.openMonitor() }) {
+                        Icon(Lucide.SquareTerminal, "Open monitor")
+                    }
                 }
-                IconButton({ deleting = true }) {
+
-                    Icon(Lucide.Trash, "Delete project")
-                }
-            }
         }
         owner?.let { Text("${if(public) "Public" else "Private"} project by user $it") }
         Spacer(Modifier.height(15.dp))
@@ -112,6 +119,82 @@ fun ProjectView(id: Uuid, forceBack: () -> Unit) {
         vm.mkBenchmark(it)
         addingBenchmark = false
     }
+
+    monitor?.let { MonitorDialog(name ?: "Unnamed Project", it, vm::closeMonitor, vm::clearMonitor) }
+}
+
+@Composable
+fun MonitorMessage(msg: ServerMonitorEvent.ITextEvent) = when(msg) {
+    is ServerMonitorEvent.ApplicationEnd -> Text("[${msg.time.fmt()}] Application finished with exit code ${msg.exitCode}.", fontStyle = FontStyle.Italic)
+    is ServerMonitorEvent.ApplicationStart -> Text("[${msg.time.fmt()}] Application started.", fontStyle = FontStyle.Italic)
+    is ServerMonitorEvent.Message -> {
+        val ansi = ANSI.unpack(msg.options).toSet()
+
+        val weight = if(ANSI.BOLD in ansi) FontWeight.Bold else null
+        val decoration = if(ANSI.UNDERLINE in ansi) TextDecoration.Underline else null
+        val color = when {
+            ANSI.FG_BLACK in ansi -> Color.Black
+            ANSI.FG_RED in ansi -> Color.Red
+            ANSI.FG_GREEN in ansi -> Color.Green
+            ANSI.FG_YELLOW in ansi -> Color.Yellow
+            ANSI.FG_BLUE in ansi -> Color.Blue
+            ANSI.FG_MAGENTA in ansi -> Color.Magenta
+            ANSI.FG_CYAN in ansi -> Color.Cyan
+            else -> LocalContentColor.current
+        }
+
+        val background = when {
+            ANSI.BG_BLACK in ansi -> Color.Black
+            ANSI.BG_RED in ansi -> Color.Red
+            ANSI.BG_GREEN in ansi -> Color.Green
+            ANSI.BG_YELLOW in ansi -> Color.Yellow
+            ANSI.BG_BLUE in ansi -> Color.Blue
+            ANSI.BG_MAGENTA in ansi -> Color.Magenta
+            ANSI.BG_CYAN in ansi -> Color.Cyan
+            else -> null
+        }?.let { Modifier.background(it) } ?: Modifier
+
+        Box(background.fillMaxWidth()) {
+            Text(
+                "[${msg.timeStamp.fmt()}] [${if (msg.stream == Stream.STDOUT) 'O' else 'E'}] ${msg.message}",
+                fontWeight = weight, textDecoration = decoration, color = color
+            )
+        }
+    }
+}
+
+@Composable
+fun MonitorDialog(name: String, logs: List<ServerMonitorEvent.ITextEvent>, onClose: () -> Unit, onClear: () -> Unit) {
+    Dialog(onDismissRequest = onClose, properties = DialogProperties(usePlatformDefaultWidth = false)) {
+        Surface(Modifier.padding(15.dp).fillMaxHeight(0.8f).widthIn(min = 300.dp, max = 2000.dp), shape = MaterialTheme.shapes.medium) {
+            Column(Modifier.padding(8.dp)) {
+                Text("Monitor for $name", Modifier.align(Alignment.CenterHorizontally), style = MaterialTheme.typography.headlineMedium)
+                Spacer(Modifier.height(10.dp))
+                if(logs.isEmpty()) {
+                    Box(Modifier.weight(1f)) {
+                        Box(Modifier.fillMaxHeight(0.33f).fillMaxWidth()) {
+                            Text("No monitor logs.", Modifier.align(Alignment.Center), fontStyle = FontStyle.Italic)
+                        }
+                    }
+                }
+                else {
+                    CompositionLocalProvider(LocalTextStyle provides LocalTextStyle.current.makeMonospaced()) {
+                        LazyColumn(Modifier.weight(1f).padding(10.dp).background(MaterialTheme.colorScheme.surfaceDim)) {
+                            items(logs) {
+                                MonitorMessage(it)
+                            }
+                        }
+                    }
+                }
+                Spacer(Modifier.height(10.dp))
+                Row {
+                    Button(onClear, Modifier.weight(0.5f)) { Text("Clear Monitor") }
+                    Spacer(Modifier.width(10.dp))
+                    Button(onClose, Modifier.weight(0.5f)) { Text("Close Monitor") }
+                }
+            }
+        }
+    }
 }
 
 @Composable

clients/compose/src/desktopMain/kotlin/com/jaytux/phoebench/clients/PlatformAPI.desktop.kt

@@ -2,11 +2,7 @@ package com.jaytux.phoebench.clients
 
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.ExperimentalComposeUiApi
-import androidx.compose.ui.draganddrop.DragAndDropEvent
+import androidx.compose.ui.draganddrop.*
-import androidx.compose.ui.draganddrop.DragAndDropTransferAction
-import androidx.compose.ui.draganddrop.DragAndDropTransferData
-import androidx.compose.ui.draganddrop.DragAndDropTransferable
-import androidx.compose.ui.draganddrop.awtTransferable
 import androidx.compose.ui.platform.ClipEntry
 import com.github.javakeyring.Keyring
 import com.jaytux.phoebench.clients.ui.DefaultServerSelect

clients/compose/src/wasmJsMain/kotlin/com/jaytux/phoebench/clients/PlatformAPI.wasmJs.kt

@@ -13,8 +13,6 @@ import kotlinx.browser.window
 import kotlinx.coroutines.await
 import kotlinx.serialization.KSerializer
 import kotlinx.serialization.Serializable
-import kotlinx.serialization.decodeFromString
-import kotlinx.serialization.encodeToString
 import kotlinx.serialization.json.Json
 import kotlinx.serialization.serializer
 import org.w3c.dom.DataTransfer

clients/compose/src/wasmJsMain/resources/index.html

@@ -1,10 +1,14 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-    <meta charset="UTF-8">
+    <meta charset="UTF-8" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>PhoeBench</title>
-    <link type="text/css" rel="stylesheet" href="styles.css">
+    <link type="text/css" rel="stylesheet" href="styles.css" />
+    <link rel="preload" href="composeResources/phoebench.clients.compose.generated.resources/font/JetBrainsMono-Regular.ttf" />
+    <link rel="preload" href="composeResources/phoebench.clients.compose.generated.resources/font/JetBrainsMono-Bold.ttf" />
+    <link rel="preload" href="composeResources/phoebench.clients.compose.generated.resources/font/JetBrainsMono-Italic.ttf" />
+    <link rel="preload" href="composeResources/phoebench.clients.compose.generated.resources/font/JetBrainsMono-BoldItalic.ttf" />
     <script type="application/javascript" src="composeApp.js"></script>
 </head>
 <body>

common/build.gradle.kts

@@ -18,7 +18,7 @@ val generatePartials = tasks.register<Exec>("generatePartials") {
     description = "Generate Partial classes (requests with all-nullable fields)"
     val scriptFile = project.file("partialize.main.kts")
     val targets = fileTree(requestsDirectory) {
-        include("**/*.kt")
+        include("Requests.kt")
     }
     val lst = targets.map { it.absolutePath }
 

common/src/commonMain/kotlin/com/jaytux/phoebench/common/CSERoute.kt

@@ -0,0 +1,62 @@
+package com.jaytux.phoebench.common
+
+import io.ktor.client.plugins.websocket.*
+import io.ktor.http.*
+import io.ktor.util.reflect.*
+import io.ktor.utils.io.*
+import io.ktor.websocket.*
+import kotlin.uuid.Uuid
+
+sealed class CSERoute<TParams, TEvent: Any>(val path: String, val elevation: Elevation, private val _eventType: TypeInfo) {
+    open val pattern = path
+
+    protected open fun buildUrl(params: TParams): String = path
+
+    abstract fun extractParams(reqParams: Parameters): TParams?
+
+    suspend fun call(client: IClient, params: TParams, body: suspend (sender: suspend (TEvent) -> Unit) -> Unit): Either<ErrorResponse, Unit> {
+        val server = client.serverUrl.replace("https", "ws").replace("http", "ws")
+        var error: ErrorResponse? = null
+        try {
+            client.client.webSocket("$server${buildUrl(params)}", {}) {
+                try {
+                    body { sendSerialized(it, _eventType) }
+                }
+                catch(e: CancellationException) {
+                    closeReason.await()?.let {
+                        if(it.code != CloseReason.Codes.NORMAL.code) error = ErrorResponse(it.message)
+                    }
+                    throw e
+                }
+            }
+            return Unit.value()
+        }
+        catch(e: CancellationException) {
+            return (error ?: ErrorResponse(e.message ?: "Unknown websocket error")).error()
+        }
+        catch(e: WebSocketException) {
+            return ErrorResponse("Could not set up websocket stream: ${e.message}").error()
+        }
+        catch(e: Exception) {
+            return ErrorResponse("WebSocket connection failed: ${e.message}").error()
+        }
+    }
+
+    class CSERoute1<T1, TEvent: Any>(path: String, elevation: Elevation, eventType: TypeInfo, val urlEncode: (T1) -> String, val urlDecode: (String?) -> T1?)
+        : CSERoute<T1, TEvent>(path, elevation, eventType)
+    {
+        override val pattern: String = "$path/{param}"
+        override fun buildUrl(params: T1): String = "$path/${urlEncode(params)}"
+        override fun extractParams(reqParams: Parameters): T1? = urlDecode(reqParams["param"])
+    }
+
+    companion object {
+        inline fun <T1, reified TEvent: Any> single(path: String, elevation: Elevation,
+            noinline urlEncode: (T1) -> String = { it.toString() }, noinline urlDecode: (String?) -> T1?
+        ) = CSERoute1<T1, TEvent>(path, elevation, typeInfo<TEvent>(), urlEncode, urlDecode)
+
+        inline fun <reified TEvent: Any> uuid(path: String, elevation: Elevation) = single<Uuid, TEvent>(path, elevation) {
+            it?.let { p -> Uuid.parseOrNull(p) }
+        }
+    }
+}

common/src/commonMain/kotlin/com/jaytux/phoebench/common/CloseReasons.kt

@@ -0,0 +1,8 @@
+package com.jaytux.phoebench.common
+
+enum class CloseReasons(val code: Short) {
+    NOT_AUTHORIZED(4001),
+    INVALID_REQUEST(4002),
+    CONFLICT(4003),
+    NOT_FOUND(4004)
+}

common/src/commonMain/kotlin/com/jaytux/phoebench/common/Events.kt

@@ -1,6 +1,8 @@
 package com.jaytux.phoebench.common
 
 import kotlinx.serialization.Serializable
+import kotlin.collections.fold
+import kotlin.time.Instant
 import kotlin.uuid.Uuid
 
 @Serializable
@@ -66,3 +68,82 @@ sealed class ProjectEvent {
     @Serializable
     data class EntryDeleted(val id: Uuid, val benchmarkId: Uuid) : ProjectEvent()
 }
+
+@Serializable
+    enum class Stream {
+    STDOUT, STDERR
+}
+
+@Serializable
+enum class ANSI(val bitIdx: Int, val ansiCode: Int) {
+    BOLD(0, 1), UNDERLINE(1, 4),
+
+    FG_BLACK(2, 30), FG_RED(3, 31), FG_GREEN(4, 32),
+    FG_YELLOW(5, 33), FG_BLUE(6, 34), FG_MAGENTA(7, 35),
+    FG_CYAN(8, 36),
+
+    BG_BLACK(9, 40), BG_RED(10, 41), BG_GREEN(11, 42),
+    BG_YELLOW(12, 43), BG_BLUE(13, 44), BG_MAGENTA(14, 45),
+    BG_CYAN(15, 46);
+
+    companion object {
+        private val _mapping: Map<Int, ANSI>
+        val ansiMapping: Map<Int, ANSI>
+        init {
+            if(entries.map { it.bitIdx }.toSet().size != entries.size)
+                throw IllegalStateException("ANSI bit indices contain duplicates")
+            if(entries.map { it.ansiCode }.toSet().size != entries.size)
+                throw IllegalStateException("ANSI escape codes contain duplicates")
+
+            _mapping = entries.associateBy { ansi -> ansi.bitIdx }
+            ansiMapping = entries.associateBy { ansi -> ansi.ansiCode }
+        }
+
+        fun pack(vararg options: ANSI): UShort = options.fold(0u) { acc, ansi ->
+            acc or (1u shl ansi.bitIdx).toUShort()
+        }
+
+        fun unpack(packed: UShort): List<ANSI> {
+            val res = mutableListOf<ANSI>()
+            var remaining = packed
+            for(i in 0..15) {
+                if((remaining and 1u) != 0.toUShort()) {
+                    _mapping[i]?.let { res += it }
+                }
+                remaining = (remaining.toUInt() shr 1).toUShort()
+            }
+            return res
+        }
+    }
+}
+
+@Serializable
+sealed class ClientMonitorEvent {
+    @Serializable
+    data class Message(val msg: String, val stream: Stream, val options: UShort) : ClientMonitorEvent() {
+        constructor(msg: String, stream: Stream, vararg options: ANSI) : this(msg, stream, ANSI.pack(*options))
+        constructor(msg: String, stream: Stream, options: List<ANSI>) : this(msg, stream, ANSI.pack(*options.toTypedArray()))
+    }
+
+    @Serializable
+    data class ApplicationFinished(val exitCode: Int) : ClientMonitorEvent()
+}
+
+@Serializable
+sealed class ServerMonitorEvent {
+    sealed interface ITextEvent
+    @Serializable
+    object Cleared : ServerMonitorEvent()
+
+    @Serializable
+    data class ApplicationStart(val time: Instant) : ServerMonitorEvent(), ITextEvent
+
+    @Serializable
+    data class Message(val timeStamp: Instant, val message: String, val options: UShort, val stream: Stream) : ServerMonitorEvent(), ITextEvent
+
+    @Serializable
+    data class Backlog(val start: ApplicationStart?, val messages: List<Message>, val end: ApplicationEnd?) : ServerMonitorEvent()
+
+    @Serializable
+    data class ApplicationEnd(val time: Instant, val exitCode: Int) : ServerMonitorEvent(), ITextEvent
+}

common/src/commonMain/kotlin/com/jaytux/phoebench/common/Routes.kt

@@ -29,6 +29,7 @@ object Routes {
         val get = ApiRoute.getUuid<ProjectResponse>("/project", Elevation.AUTH)
         val update = ApiRoute.patchUuidNoRes<PartialProjectRequest>("/project", Elevation.AUTH)
         val delete = ApiRoute.deleteUuidNoRes("/project", Elevation.AUTH)
+        val rmMonitor = ApiRoute.deleteUuidNoRes("/project/monitor", Elevation.AUTH)
     }
 
     object Benchmark {
@@ -52,5 +53,10 @@ object Routes {
         val home = SSERoute.noArgs<HomeEvent>("/rt/home", Elevation.AUTH)
         val admin = SSERoute.noArgs<AdminEvent>("/rt/admin", Elevation.ADMIN)
         val projectSpecific = SSERoute.uuid<ProjectEvent>("/rt/project", Elevation.AUTH)
+        val monitor = SSERoute.uuid<ServerMonitorEvent>("/rt/monitor", Elevation.AUTH)
+    }
+
+    object CSE {
+        val monitor = CSERoute.uuid<ClientMonitorEvent>("/stream/monitor", Elevation.AUTH)
     }
 }

gradle/libs.versions.toml

@@ -23,6 +23,7 @@ kolor-picker = "2.1.0"
 shadow = "9.3.0"
 clikt = "5.0.3"
 buildconfig = "6.0.10"
+process = "1.5.1"
 
 [libraries]
 androidx-lifecycle-viewmodel = { group = "org.jetbrains.androidx.lifecycle", name = "lifecycle-viewmodel", version.ref = "androidx-lifecycle" }
@@ -50,6 +51,7 @@ ktor-client-content-negotiation = { module = "io.ktor:ktor-client-content-negoti
 ktor-serialization-kotlinx-json = { module = "io.ktor:ktor-serialization-kotlinx-json", version.ref = "ktor" }
 ktor-client-auth = { module = "io.ktor:ktor-client-auth", version.ref = "ktor" }
 ktor-client-okhttp = { module = "io.ktor:ktor-client-okhttp", version.ref = "ktor" }
+ktor-client-websocket = { module = "io.ktor:ktor-client-websockets", version.ref = "ktor" }
 
 ktor-server-content-negotiation = { module = "io.ktor:ktor-server-content-negotiation", version.ref = "ktor" }
 ktor-server-call-logging = { module = "io.ktor:ktor-server-call-logging", version.ref = "ktor" }
@@ -64,6 +66,7 @@ ktor-server-auth-jwt = { module = "io.ktor:ktor-server-auth-jwt", version.ref =
 ktor-server-status-pages = { module = "io.ktor:ktor-server-status-pages", version.ref = "ktor" }
 ktor-server-cors = { module = "io.ktor:ktor-server-cors", version.ref = "ktor" }
 ktor-server-sse = { module = "io.ktor:ktor-server-sse", version.ref = "ktor" }
+ktor-server-websocket = { module = "io.ktor:ktor-server-websockets", version.ref = "ktor" }
 
 json = { module = "org.json:json", version.ref = "json" }
 kotlinx-datetime = { module = "org.jetbrains.kotlinx:kotlinx-datetime", version.ref = "datetime" }
@@ -87,6 +90,7 @@ kolor = { module = "com.kborowy:kolor-picker", version.ref = "kolor-picker" }
 java-keystore = { module = "com.github.javakeyring:java-keyring", version.ref = "java-keystore" }
 
 clikt = { module = "com.github.ajalt.clikt:clikt", version.ref = "clikt" }
+process = { module = "com.github.pgreze:kotlin-process", version.ref = "process" }
 
 [plugins]
 composeMultiplatform = { id = "org.jetbrains.compose", version.ref = "compose-multiplatform" }

server/build.gradle.kts

@@ -7,7 +7,7 @@ plugins {
 }
 
 group = "com.jaytux.phoebench"
-version = PhoebenchVersion(1, 1, 2)
+version = rootProject.version as PhoebenchVersion
 
 if((version as PhoebenchVersion) < (rootProject.version as PhoebenchVersion))
     throw GradleException("Server version must be at least as high as protocol/common version")
@@ -56,6 +56,7 @@ dependencies {
     implementation(libs.ktor.server.cors)
     implementation(libs.ktor.server.status.pages)
     implementation(libs.ktor.server.sse)
+    implementation(libs.ktor.server.websocket)
 
     implementation(libs.ktor.serialization.kotlinx.json)
 

server/src/main/kotlin/com/jaytux/phoebench/server/Buses.kt

@@ -3,6 +3,8 @@ package com.jaytux.phoebench.server
 import com.jaytux.phoebench.common.AdminEvent
 import com.jaytux.phoebench.common.HomeEvent
 import com.jaytux.phoebench.common.ProjectEvent
+import com.jaytux.phoebench.common.ServerMonitorEvent
+import io.ktor.client.plugins.api.MonitoringEvent
 import io.ktor.util.reflect.typeInfo
 import kotlinx.serialization.serializer
 import java.util.concurrent.ConcurrentHashMap
@@ -11,6 +13,10 @@ import kotlin.uuid.Uuid
 
 object Buses {
     private val _projectBuses = ConcurrentHashMap<Uuid, SSEBus<ProjectEvent>>()
+    private val _monitorBuses = ConcurrentHashMap<Uuid, SSEBus.MonitorSSEBus<
+            ServerMonitorEvent, ServerMonitorEvent.ApplicationStart, ServerMonitorEvent.Message,
+            ServerMonitorEvent.ApplicationEnd, ServerMonitorEvent.Backlog
+    >>()
 
     val homeBus = SSEBus<HomeEvent>(typeOf<HomeEvent>(), serializer<HomeEvent>())
     val adminBus = SSEBus<AdminEvent>(typeOf<AdminEvent>(), serializer<AdminEvent>())
@@ -19,9 +25,16 @@ object Buses {
         SSEBus<ProjectEvent>(typeOf<ProjectEvent>(), serializer<ProjectEvent>())
     }
 
+    fun monitorBus(id: Uuid) = _monitorBuses.computeIfAbsent(id) {
+        SSEBus.MonitorSSEBus(
+            SSEBus(typeOf<ServerMonitorEvent>(), serializer<ServerMonitorEvent>())
+        ) { start, events, end -> ServerMonitorEvent.Backlog(start, events, end) }
+    }
+
     fun allBuses(): List<SSEBus<*>> {
-        val res = ArrayList<SSEBus<*>>(_projectBuses.size + 2)
+        val res = ArrayList<SSEBus<*>>(_projectBuses.size + _monitorBuses.size + 2)
         res.addAll(_projectBuses.values)
+        res.addAll(_monitorBuses.values.map { it.bus })
         res.add(homeBus)
         res.add(adminBus)
         return res

server/src/main/kotlin/com/jaytux/phoebench/server/Main.kt

@@ -4,10 +4,15 @@ import com.jaytux.phoebench.common.*
 import com.jaytux.phoebench.server.db.DB
 import com.jaytux.phoebench.server.db.Meta
 import com.jaytux.phoebench.server.db.Metas
+import com.jaytux.phoebench.server.db.Project
 import com.jaytux.phoebench.server.db.User
 import com.jaytux.phoebench.server.handlers.*
 import com.jaytux.phoebench.server.handlers.ProjectHandler.accessibleProject
+import com.jaytux.phoebench.server.handlers.ProjectHandler.accessibleProjectCSE
 import io.ktor.http.*
+import io.ktor.serialization.WebsocketContentConverter
+import io.ktor.serialization.deserialize
+import io.ktor.serialization.kotlinx.KotlinxWebsocketSerializationConverter
 import io.ktor.serialization.kotlinx.json.*
 import io.ktor.server.application.*
 import io.ktor.server.auth.*
@@ -21,8 +26,14 @@ import io.ktor.server.request.*
 import io.ktor.server.response.*
 import io.ktor.server.routing.*
 import io.ktor.server.sse.*
+import io.ktor.server.websocket.WebSockets
+import io.ktor.server.websocket.webSocket
+import io.ktor.websocket.CloseReason
+import io.ktor.websocket.close
+import kotlinx.coroutines.channels.ClosedReceiveChannelException
 import kotlinx.serialization.json.Json
 import org.jetbrains.exposed.v1.jdbc.transactions.transaction
+import kotlin.time.Clock
 import kotlin.uuid.Uuid
 
 fun Application.module() {
@@ -78,6 +89,10 @@ fun Application.module() {
 
     install(SSE) {}
 
+    install(WebSockets) {
+        contentConverter = KotlinxWebsocketSerializationConverter(Json)
+    }
+
     install(StatusPages) {
         status(HttpStatusCode.Forbidden) { call, status ->
             call.respond(status, ErrorResponse("Access Forbidden: CORS failed."))
@@ -137,6 +152,7 @@ fun Application.module() {
             getAuth(Routes.Project.get, ProjectHandler::getProject)
             patchAuth(Routes.Project.update, ProjectHandler::updateProject)
             deleteAuth(Routes.Project.delete, ProjectHandler::deleteProject)
+            deleteAuth(Routes.Project.rmMonitor, ProjectHandler::deleteMonitor)
 
             postAuth(Routes.Benchmark.new, ProjectHandler::createBenchmark)
             patchAuth(Routes.Benchmark.update, ProjectHandler::updateBenchmark)
@@ -149,13 +165,38 @@ fun Application.module() {
             postAuth(Routes.Entry.new, ProjectHandler::createEntry)
             deleteAuth(Routes.Entry.delete, ProjectHandler::deleteEntry)
 
-            sseAuth(Routes.SSE.home, { _, _ -> }) { _, _ -> Buses.homeBus }
+            sseAuth(Routes.SSE.home, { _, _ -> }) { _, _, _ -> Buses.homeBus }
-            sseAdmin(Routes.SSE.admin) { _, _ -> Buses.adminBus }
+            sseAdmin(Routes.SSE.admin) { _, _, _ -> Buses.adminBus }
             sseAuth(Routes.SSE.projectSpecific,
                 { user, uuid ->
                     transaction { accessibleProject(user, uuid, false) }
                 }
-            ) { _, id -> Buses.projectBus(id) }
+            ) { _, id, _ -> Buses.projectBus(id) }
+            sseAuth(Routes.SSE.monitor,
+                { user, uuid ->
+                    transaction { accessibleProject(user, uuid, true) }
+                }
+            ) { _, id, sender ->
+                val bus = Buses.monitorBus(id)
+                val backlog = bus.onConnect()
+                println("Bus [$id] connected; sending backlog (${backlog.start != null} // ${backlog.messages.size} // ${backlog.end != null})")
+                sender(bus.bus.serializer, backlog)
+                bus.bus
+            }
+
+            cseAuth(Routes.CSE.monitor,
+                { id, user -> transaction { accessibleProjectCSE(user, id, true) } },
+                ProjectHandler::monitorSetup) { _, _, bus, event ->
+                try {
+                    when(event) {
+                        is ClientMonitorEvent.ApplicationFinished -> bus.end(ServerMonitorEvent.ApplicationEnd(Clock.System.now(), event.exitCode))
+                        is ClientMonitorEvent.Message -> bus.event(ServerMonitorEvent.Message(Clock.System.now(), event.msg, event.options, event.stream))
+                    }
+                }
+                catch(e: IllegalStateException) {
+                    throw RouteError.CSERouteError("Could not deliver message: ${e.message ?: "unknown error"}", CloseReasons.CONFLICT)
+                }
+            }
         }
 
         get("{...}") {

server/src/main/kotlin/com/jaytux/phoebench/server/MutableBackLog.kt

@@ -0,0 +1,38 @@
+package com.jaytux.phoebench.server
+
+class MutableBackLog<TStart, TEvent, TEnd> {
+    var start: TStart? = null
+        private set
+    private val _events = mutableListOf<TEvent>()
+    val events = _events.immutable()
+    var end: TEnd? = null
+        private set
+
+    fun registerStart(event: TStart) {
+        if(start != null) throw IllegalStateException("Start is already set.")
+        start = event
+        println("[BACKLOG]: start '$event'")
+    }
+
+    fun onEvent(event: TEvent) {
+        if(start == null) throw IllegalStateException("Start is not set yet.")
+        if(end != null) throw IllegalStateException("End is already set.")
+        _events += event
+        println("[BACKLOG]: event '$event'")
+    }
+
+    fun registerEnd(event: TEnd) {
+        if(start == null) throw IllegalStateException("Start is not set yet.")
+        if(end != null) throw IllegalStateException("End is already set.")
+        end = event
+        println("[BACKLOG]: end '$event'")
+    }
+
+    fun reset() {
+        start = null
+        _events.clear()
+        end = null
+    }
+
+    fun isRunning() = start != null && end == null
+}

server/src/main/kotlin/com/jaytux/phoebench/server/SSEBus.kt

@@ -61,4 +61,32 @@ class SSEBus<T>(private val _containedType: KType, val serializer: KSerializer<T
             map
         }.forEach { it.second.emit(Cancellation.error()) }
     }
+
+    class MonitorSSEBus<TSuper, TStart : TSuper, TEvent : TSuper, TEnd: TSuper, TBacklog: TSuper>(
+        val bus: SSEBus<TSuper>, val backlog: MutableBackLog<TStart, TEvent, TEnd> = MutableBackLog(),
+        val mkBacklog: (start: TStart?, events: List<TEvent>, end: TEnd?) -> TBacklog
+    ) {
+        val start: TStart? get() = backlog.start
+        val events: List<TEvent> get() = backlog.events
+        val end: TEnd? get() = backlog.end
+
+        suspend fun start(start: TStart) {
+            backlog.registerStart(start)
+            bus.sendAll(start)
+        }
+
+        suspend fun event(event: TEvent) {
+            backlog.onEvent(event)
+            bus.sendAll(event)
+        }
+
+        suspend fun end(end: TEnd) {
+            backlog.registerEnd(end)
+            bus.sendAll(end)
+        }
+
+        suspend fun onConnect() = mkBacklog(start, events, end)
+
+        fun isRunning() = backlog.isRunning()
+    }
 }

server/src/main/kotlin/com/jaytux/phoebench/server/Util.kt

@@ -24,3 +24,5 @@ fun nowPlus(time: Int, unit: DateTimeUnit): Instant {
 }
 
 infix fun <T1, T2, T3> Pair<T1, T2>.app(t3: T3) = Triple(first, second, t3)
+
+fun <T> MutableList<T>.immutable(): List<T> = this

server/src/main/kotlin/com/jaytux/phoebench/server/handlers/Bridge.kt

@@ -4,18 +4,19 @@ import com.jaytux.phoebench.server.handlers.RouteError.Companion.wrapped
 import com.jaytux.phoebench.server.handlers.RouteError.Companion.wrappedAdmin
 import com.jaytux.phoebench.server.handlers.RouteError.Companion.wrappedAuth
 import com.jaytux.phoebench.common.ApiRoute
-import com.jaytux.phoebench.common.Either
+import com.jaytux.phoebench.common.CSERoute
+import com.jaytux.phoebench.common.CloseReasons
 import com.jaytux.phoebench.common.Elevation
 import com.jaytux.phoebench.common.EmptyRequest
 import com.jaytux.phoebench.common.ErrorResponse
 import com.jaytux.phoebench.common.SSERoute
 import com.jaytux.phoebench.common.foldSuspend
-import com.jaytux.phoebench.server.Auth.setup
 import com.jaytux.phoebench.server.SSEBus
 import com.jaytux.phoebench.server.db.User
-import com.jaytux.phoebench.server.handlers.RouteError
 import io.ktor.http.ContentType
 import io.ktor.http.HttpStatusCode
+import io.ktor.serialization.deserialize
+import io.ktor.serialization.kotlinx.KotlinxWebsocketSerializationConverter
 import io.ktor.server.application.ApplicationCall
 import io.ktor.server.auth.jwt.JWTPrincipal
 import io.ktor.server.auth.principal
@@ -31,10 +32,15 @@ import io.ktor.server.routing.delete
 import io.ktor.server.routing.patch
 import io.ktor.server.sse.heartbeat
 import io.ktor.server.sse.sse
+import io.ktor.server.websocket.webSocket
 import io.ktor.sse.ServerSentEvent
 import io.ktor.util.reflect.typeInfo
 import io.ktor.utils.io.CancellationException
+import io.ktor.websocket.CloseReason
+import io.ktor.websocket.close
+import kotlinx.coroutines.channels.ClosedReceiveChannelException
 import kotlinx.coroutines.flow.SharedFlow
+import kotlinx.serialization.KSerializer
 import kotlinx.serialization.json.Json
 import org.jetbrains.exposed.v1.jdbc.transactions.transaction
 import kotlin.time.Duration.Companion.seconds
@@ -165,7 +171,7 @@ inline fun <reified TReq: Any, reified TRes: Any> Route.patchAdmin(api: ApiRoute
 
 inline fun <reified TParams: Any, reified TEvent: Any, TInter, TFlow> Route.wrapSSE(
     api: SSERoute<TParams, TEvent>, noinline extra: suspend (ApplicationCall, TParams) -> TInter,
-    noinline prepare: suspend (TInter, TParams) -> SSEBus<TEvent>,
+    noinline prepare: suspend (TInter, TParams, sender: suspend (KSerializer<TEvent>, TEvent) -> Unit) -> SSEBus<TEvent>,
     noinline extract: suspend (SSEBus<TEvent>, TInter, TParams) -> SharedFlow<TFlow>,
     noinline handler: suspend (TFlow, sender: suspend (TEvent) -> Unit) -> Unit,
     noinline onCancel: suspend (SSEBus<TEvent>, TInter, TParams, CancellationException) -> Unit
@@ -182,11 +188,14 @@ inline fun <reified TParams: Any, reified TEvent: Any, TInter, TFlow> Route.wrap
             )
 
             val inter = extra(call, params)
-            val bus = prepare(inter, params)
+            val bus = prepare(inter, params) { serializer, event -> send(ServerSentEvent(data = Json.encodeToString(serializer, event))) }
             val stream = extract(bus, inter, params)
             try {
                 stream.collect {
-                    handler(it) { ev -> send(ServerSentEvent(data = Json.encodeToString(bus.serializer, ev))) }
+                    handler(it) { ev ->
+                        println("[SSE ${api.pattern}]: sending event!")
+                        send(ServerSentEvent(data = Json.encodeToString(bus.serializer, ev)))
+                    }
                 }
             }
             catch(e: CancellationException) {
@@ -214,7 +223,7 @@ inline fun <reified TParams: Any, reified TEvent: Any, TInter, TFlow> Route.wrap
 inline fun <reified TParams: Any, reified TEvent: Any> Route.wrapAuthSSE(
     api: SSERoute<TParams, TEvent>,
     noinline verifyUser: suspend (User, TParams) -> Unit,
-    noinline prepare: suspend (User, TParams) -> SSEBus<TEvent>
+    noinline prepare: suspend (User, TParams, sender: suspend (KSerializer<TEvent>, TEvent) -> Unit) -> SSEBus<TEvent>
 ) = wrapSSE(api,
         extra = { call, params ->
             val principal = call.principal<JWTPrincipal>()
@@ -239,23 +248,113 @@ inline fun <reified TParams: Any, reified TEvent: Any> Route.wrapAuthSSE(
         onCancel = { bus, user, _, _ -> bus.disconnect(user.id.value) }
     )
 
-inline fun <reified TParams: Any, reified TEvent: Any> Route.sse(api: SSERoute<TParams, TEvent>, noinline setup: suspend (TParams) -> SSEBus<TEvent>) =
+inline fun <reified TParams: Any, reified TEvent: Any> Route.sse(api: SSERoute<TParams, TEvent>, noinline prepare: suspend (TParams, sender: suspend (KSerializer<TEvent>, TEvent) -> Unit) -> SSEBus<TEvent>) {
-    wrapSSE(api,
+    if(api.elevation != Elevation.UN_AUTH) throw IllegalArgumentException("SSE ${api.pattern} can only be used with ${api.elevation}")
+    wrapSSE(
+        api,
         extra = { _, _ -> },
-        prepare = { _, params -> setup(params)  },
+        prepare = { _, params, sender -> prepare(params, sender) },
         extract = { bus, _, _ -> bus.unRegistered() },
         handler = { it, sender -> sender(it) },
         onCancel = { _, _, _, _ -> }
     )
+}
 
 inline fun <reified TParams: Any, reified TEvent: Any> Route.sseAuth(api: SSERoute<TParams, TEvent>,
-    noinline verifyUser: suspend (User, TParams) -> Unit, noinline setup: suspend (User, TParams) -> SSEBus<TEvent>
+    noinline verifyUser: suspend (User, TParams) -> Unit, noinline prepare: suspend (User, TParams, sender: suspend (KSerializer<TEvent>, TEvent) -> Unit) -> SSEBus<TEvent>
-) = wrapAuthSSE(api, verifyUser, setup)
+) {
+    if(api.elevation != Elevation.AUTH) throw IllegalArgumentException("SSE ${api.pattern} can only be used with ${api.elevation}")
+    wrapAuthSSE(api, verifyUser, prepare)
+}
 
 inline fun <reified TParams: Any, reified TEvent: Any> Route.sseAdmin(api: SSERoute<TParams, TEvent>,
-    noinline setup: suspend (User, TParams) -> SSEBus<TEvent>
+    noinline prepare: suspend (User, TParams, sender: suspend (KSerializer<TEvent>, TEvent) -> Unit) -> SSEBus<TEvent>
-) = wrapAuthSSE(api, { user, _ ->
+) {
-    if(!user.isAdmin) {
+    if(api.elevation != Elevation.ADMIN) throw IllegalArgumentException("SSE ${api.pattern} can only be used with ${api.elevation}")
-        throw RouteError("Admin access required", HttpStatusCode.Forbidden)
+    wrapAuthSSE(api, { user, _ ->
+        if(!user.isAdmin) {
+            throw RouteError("Admin access required", HttpStatusCode.Forbidden)
+        }
+    }, prepare)
+}
+
+inline fun <reified TParams: Any, reified TEvent: Any, TInter, TExtra> Route.wrapCSE(
+    api: CSERoute<TParams, TEvent>,
+    noinline extra: suspend (ApplicationCall, TParams) -> TInter,
+    noinline setup: suspend (TParams, TInter) -> TExtra,
+    noinline handler: suspend (TParams, TInter, TExtra, TEvent) -> Unit
+) {
+    webSocket(api.pattern) {
+        try {
+            val params = api.extractParams(call.parameters) ?:
+                throw RouteError.CSERouteError("Missing or malformed parameters for CSE ${api.pattern}", CloseReasons.INVALID_REQUEST)
+            val inter = extra(call, params)
+
+            val converter = KotlinxWebsocketSerializationConverter(Json)
+            val extra = setup(params, inter)
+            for(frame in incoming) {
+                handler(params, inter, extra, converter.deserialize<TEvent>(frame))
+            }
+        }
+        catch(e: ClosedReceiveChannelException) {}
+        catch(e: RouteError.CSERouteError) {
+            close(CloseReason(e.code, e.message ?: "Unknown error"))
+        }
+        catch(e: Exception) {
+            close(CloseReason(CloseReason.Codes.INTERNAL_ERROR, e.message ?: "Unknown error"))
+        }
     }
-}, setup)
+}
+
+inline fun <reified TParams: Any, reified TEvent: Any, TExtra> Route.wrapAuthCSE(
+    api: CSERoute<TParams, TEvent>,
+    noinline verifyUser: suspend (TParams, User) -> Unit,
+    noinline setup: suspend (TParams, User) -> TExtra,
+    noinline handler: suspend (TParams, User, TExtra, TEvent) -> Unit
+) = wrapCSE<TParams, TEvent, User, TExtra>(
+    api = api,
+    extra = { call, params ->
+        val principal = call.principal<JWTPrincipal>()
+        val userId = principal?.payload?.getClaim(com.jaytux.phoebench.common.Auth.JWT_CLAIM)?.asString()
+            ?: throw RouteError.CSERouteError("Missing user claim", CloseReasons.NOT_AUTHORIZED)
+        val user = transaction {
+            User.findById(Uuid.parse(userId)) ?: throw RouteError.CSERouteError(
+                "User not found",
+                CloseReasons.NOT_AUTHORIZED
+            )
+        }
+        verifyUser(params, user)
+        user
+    },
+    setup = setup,
+    handler = handler
+)
+
+inline fun <reified TParams: Any, reified TEvent: Any, TExtra> Route.cse(
+    api: CSERoute<TParams, TEvent>,
+    noinline setup: suspend (TParams, Unit) -> TExtra,
+    noinline handler: suspend (TParams, TExtra, TEvent) -> Unit
+) {
+    if(api.elevation != Elevation.UN_AUTH) throw IllegalArgumentException("CSE ${api.pattern} can only be used with ${api.elevation}")
+    wrapCSE(api, { _, _ -> }, setup) { params, _, extra, event -> handler(params, extra, event) }
+}
+
+inline fun <reified TParams: Any, reified TEvent: Any, TExtra> Route.cseAuth(
+    api: CSERoute<TParams, TEvent>, noinline verifyUser: suspend (TParams, User) -> Unit,
+    noinline setup: suspend (TParams, User) -> TExtra, noinline handler: suspend (TParams, User, TExtra, TEvent) -> Unit
+) {
+    if(api.elevation != Elevation.AUTH) throw IllegalArgumentException("CSE ${api.pattern} can only be used with ${api.elevation}")
+    wrapAuthCSE(api, verifyUser, setup, handler)
+}
+
+inline fun <reified TParams: Any, reified TEvent: Any, TExtra> Route.cseAdmin(
+    api: CSERoute<TParams, TEvent>, noinline setup: suspend (TParams, User) -> TExtra,
+    noinline handler: suspend (TParams, User, TExtra, TEvent) -> Unit
+) {
+    if(api.elevation != Elevation.ADMIN) throw IllegalArgumentException("CSE ${api.pattern} can only be used with ${api.elevation}")
+    wrapAuthCSE(api, { _, user ->
+        if(!user.isAdmin) {
+            throw RouteError.CSERouteError("Admin access required", CloseReasons.NOT_AUTHORIZED)
+        }
+    }, setup, handler)
+}

server/src/main/kotlin/com/jaytux/phoebench/server/handlers/ProjectHandler.kt

@@ -3,6 +3,8 @@ package com.jaytux.phoebench.server.handlers
 import com.jaytux.phoebench.common.BenchmarkRequest
 import com.jaytux.phoebench.common.BenchmarkResponse
 import com.jaytux.phoebench.common.BenchmarkSummary
+import com.jaytux.phoebench.common.ClientMonitorEvent
+import com.jaytux.phoebench.common.CloseReasons
 import com.jaytux.phoebench.common.EmptyRequest
 import com.jaytux.phoebench.common.EmptyResponse
 import com.jaytux.phoebench.common.EntryRequest
@@ -19,7 +21,9 @@ import com.jaytux.phoebench.common.PartialVersionRequest
 import com.jaytux.phoebench.common.ProjectEvent
 import com.jaytux.phoebench.common.ProjectRequest
 import com.jaytux.phoebench.common.ProjectResponse
+import com.jaytux.phoebench.common.ServerMonitorEvent
 import com.jaytux.phoebench.server.Buses
+import com.jaytux.phoebench.server.SSEBus
 import com.jaytux.phoebench.server.app
 import com.jaytux.phoebench.server.db.Benchmark
 import com.jaytux.phoebench.server.db.Benchmarks
@@ -43,6 +47,7 @@ import org.jetbrains.exposed.v1.core.inList
 import org.jetbrains.exposed.v1.core.notInList
 import org.jetbrains.exposed.v1.jdbc.deleteWhere
 import org.jetbrains.exposed.v1.jdbc.transactions.transaction
+import kotlin.time.Clock
 import kotlin.uuid.Uuid
 
 object ProjectHandler {
@@ -68,6 +73,11 @@ object ProjectHandler {
         return project.isAccessible(user, forEditing)
     }
 
+    fun Transaction.accessibleProjectCSE(user: User, id: Uuid, forEditing: Boolean): Project {
+        val project = Project.findById(id) ?: throw RouteError.CSERouteError("Invalid project ID.", CloseReasons.NOT_FOUND)
+        return project.isAccessible(user, forEditing)
+    }
+
     fun Transaction.accessibleBenchmark(user: User, id: Uuid, forEditing: Boolean): Pair<Project, Benchmark> {
         val bench = Benchmark.findById(id) ?: throw RouteError("Invalid benchmark ID.", HttpStatusCode.NotFound)
         return bench.isAccessible(user, forEditing)
@@ -381,4 +391,26 @@ object ProjectHandler {
 
         return home(user, EmptyRequest())
     }
+
+    suspend fun monitorSetup(id: Uuid, user: User) = Buses.monitorBus(id).also {
+        try {
+            if(!it.isRunning()) it.backlog.reset()
+            it.start(ServerMonitorEvent.ApplicationStart(Clock.System.now()))
+        }
+        catch(e: IllegalStateException) {
+            throw RouteError.CSERouteError("Monitor may already be running. Please refrain from starting a second trace.", CloseReasons.CONFLICT)
+        }
+    }
+
+    fun deleteMonitor(user: User, req: Uuid) = transaction {
+        checkMigration(user)
+        accessibleProject(user, req, true)
+        val bus = Buses.monitorBus(req)
+        if(bus.isRunning()) throw RouteError("Monitor is still running", HttpStatusCode.Conflict)
+        bus.backlog.reset()
+        ServerScope.launch {
+            bus.bus.sendAll(ServerMonitorEvent.Cleared)
+        }
+        success(EmptyResponse())
+    }
 }

server/src/main/kotlin/com/jaytux/phoebench/server/handlers/RouteError.kt

@@ -1,6 +1,7 @@
 package com.jaytux.phoebench.server.handlers
 
 import com.jaytux.phoebench.common.Auth
+import com.jaytux.phoebench.common.CloseReasons
 import com.jaytux.phoebench.common.ErrorResponse
 import com.jaytux.phoebench.server.db.User
 import io.ktor.http.ContentType
@@ -13,6 +14,7 @@ import io.ktor.server.response.respondText
 import io.ktor.server.routing.RoutingCall
 import io.ktor.server.routing.RoutingContext
 import io.ktor.util.logging.KtorSimpleLogger
+import io.ktor.websocket.CloseReason
 import kotlinx.serialization.json.Json
 import org.jetbrains.exposed.v1.jdbc.transactions.transaction
 import kotlin.uuid.Uuid
@@ -75,4 +77,9 @@ open class RouteError(message: String, val status: HttpStatusCode = HttpStatusCo
         fun unauthorized(message: String): Nothing =
             throw RouteError(message, HttpStatusCode.Unauthorized)
     }
+
+    class CSERouteError(message: String, val code: Short) : RouteError(message, HttpStatusCode.NotImplemented) {
+        constructor(message: String, code: CloseReason.Codes) : this(message, code.code)
+        constructor(message: String, code: CloseReasons) : this(message, code.code)
+    }
 }