From 54f94861da743cbd72d9755c2fbe4223176d90f4 Mon Sep 17 00:00:00 2001
From: mjkwiatkowski <mati.rewa@gmail.com>
Date: Thu, 18 Jun 2026 23:38:00 +0200
Subject: feat: complete system redesign: KafkaComputeMonitor stays,
 SmartScheduler is working and only HTTPClient remains, the rest will be moved
 to Python scripts

---
 .../base/experiment/specs/ExperimentSpec.kt          |  7 ++++++-
 .../specs/allocation/AllocationPolicySpec.kt         |  6 +++++-
 .../opendc/experiments/base/runner/ExperimentCli.kt  | 17 +----------------
 .../experiments/base/runner/ExperimentListener.kt    | 20 --------------------
 4 files changed, 12 insertions(+), 38 deletions(-)
 delete mode 100644 opendc-experiments/opendc-experiments-base/src/main/kotlin/org/opendc/experiments/base/runner/ExperimentListener.kt

(limited to 'opendc-experiments')

diff --git a/opendc-experiments/opendc-experiments-base/src/main/kotlin/org/opendc/experiments/base/experiment/specs/ExperimentSpec.kt b/opendc-experiments/opendc-experiments-base/src/main/kotlin/org/opendc/experiments/base/experiment/specs/ExperimentSpec.kt
index 71ab4002..e3497cc4 100644
--- a/opendc-experiments/opendc-experiments-base/src/main/kotlin/org/opendc/experiments/base/experiment/specs/ExperimentSpec.kt
+++ b/opendc-experiments/opendc-experiments-base/src/main/kotlin/org/opendc/experiments/base/experiment/specs/ExperimentSpec.kt
@@ -40,6 +40,11 @@ import java.util.UUID
  * @property initialSeed
  * @property runs
  * be included in the output files.
+ *
+ * The allocation policy is hardcoded here regardless of the input in experiemnt.json.
+ * I did not design this, it was like that before.
+ *
+ * @author Mateusz Kwiatkowski
  */
 
 @Serializable
@@ -50,7 +55,7 @@ public data class ExperimentSpec(
     val runs: Int = 1,
     val topologies: Set<ScenarioTopologySpec>,
     val workloads: Set<WorkloadSpec>,
-    val allocationPolicies: Set<AllocationPolicySpec> = setOf(PrefabAllocationPolicySpec(ComputeSchedulerEnum.Mem)),
+    val allocationPolicies: Set<AllocationPolicySpec> = setOf(PrefabAllocationPolicySpec(ComputeSchedulerEnum.Smart)),
     val failureModels: Set<FailureModelSpec?> = setOf(null),
     val maxNumFailures: Set<Int> = setOf(10),
     val checkpointModels: Set<CheckpointModelSpec?> = setOf(null),
diff --git a/opendc-experiments/opendc-experiments-base/src/main/kotlin/org/opendc/experiments/base/experiment/specs/allocation/AllocationPolicySpec.kt b/opendc-experiments/opendc-experiments-base/src/main/kotlin/org/opendc/experiments/base/experiment/specs/allocation/AllocationPolicySpec.kt
index afe15032..3972b53f 100644
--- a/opendc-experiments/opendc-experiments-base/src/main/kotlin/org/opendc/experiments/base/experiment/specs/allocation/AllocationPolicySpec.kt
+++ b/opendc-experiments/opendc-experiments-base/src/main/kotlin/org/opendc/experiments/base/experiment/specs/allocation/AllocationPolicySpec.kt
@@ -41,10 +41,14 @@ import kotlin.coroutines.CoroutineContext
 @Serializable
 public sealed interface AllocationPolicySpec
 
+/* This has to be changed in order to enforce the scheduler policy to Smart.
+ *
+ * @author: Mateusz Kwiatkowski
+ */
 @Serializable
 @SerialName("prefab")
 public data class PrefabAllocationPolicySpec(
-    val policyName: ComputeSchedulerEnum = ComputeSchedulerEnum.Mem,
+    val policyName: ComputeSchedulerEnum = ComputeSchedulerEnum.Smart,
 ) : AllocationPolicySpec {
     public val name: String = policyName.toString()
 }
diff --git a/opendc-experiments/opendc-experiments-base/src/main/kotlin/org/opendc/experiments/base/runner/ExperimentCli.kt b/opendc-experiments/opendc-experiments-base/src/main/kotlin/org/opendc/experiments/base/runner/ExperimentCli.kt
index 55aed21b..0e190df0 100644
--- a/opendc-experiments/opendc-experiments-base/src/main/kotlin/org/opendc/experiments/base/runner/ExperimentCli.kt
+++ b/opendc-experiments/opendc-experiments-base/src/main/kotlin/org/opendc/experiments/base/runner/ExperimentCli.kt
@@ -37,8 +37,7 @@ import java.io.IOException
  * Main entrypoint of the application.
  */
 public fun main(args: Array<String>) {
-    if(args.size == 2) ExperimentCommand().main(args)
-    else ExperimentListener().main(args)
+    ExperimentCommand().main(args)
 }
 
 internal class ExperimentCommand : CliktCommand(name = "experiment") {
@@ -56,17 +55,3 @@ internal class ExperimentCommand : CliktCommand(name = "experiment") {
         }
     }
 }
-/**
- * Entry point to the digital twin.
- *
- * @author Mateusz Kwiatkowski
- */
-internal class ExperimentListener: CliktCommand(name = "listener") {
-    override fun run() {
-        try {
-            runListener()
-        } catch (e: IOException) {
-            println("${e.message}")
-        }
-    }
-}
diff --git a/opendc-experiments/opendc-experiments-base/src/main/kotlin/org/opendc/experiments/base/runner/ExperimentListener.kt b/opendc-experiments/opendc-experiments-base/src/main/kotlin/org/opendc/experiments/base/runner/ExperimentListener.kt
deleted file mode 100644
index c221543d..00000000
--- a/opendc-experiments/opendc-experiments-base/src/main/kotlin/org/opendc/experiments/base/runner/ExperimentListener.kt
+++ /dev/null
@@ -1,20 +0,0 @@
-package org.opendc.experiments.base.runner
-
-import org.opendc.common.utils.JavalinRunner
-import org.opendc.common.utils.PostgresqlDB
-import org.opendc.common.utils.Redis
-
-/**
- * Established a connection with PostgreSQL.
- * Creates a Javalin HTTP server and listens for requests.
- *
- * @author Mateusz Kwiatkowski
- *
- * @see <a href=https://javalin.io/documentation>https://javalin.io/documentation</a>
- */
-public fun runListener() {
-    PostgresqlDB()
-    val redisClient = Redis.getInstance()
-    redisClient?.readOne()
-    JavalinRunner()
-}
-- 
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