Add import topology (#393)

* add a the posibility to import and export topogies in JSON format

* fix web-runner integration, there were several bugs and mismatches between new implementations in OpenDC  and the UI

2 files changed, 20 insertions, 1 deletions

diff --git a/opendc-compute/opendc-compute-simulator/src/main/java/org/opendc/compute/simulator/service/ComputeService.java b/opendc-compute/opendc-compute-simulator/src/main/java/org/opendc/compute/simulator/service/ComputeService.java
index 8ff78dae..ad562714 100644
--- a/opendc-compute/opendc-compute-simulator/src/main/java/org/opendc/compute/simulator/service/ComputeService.java
+++ b/opendc-compute/opendc-compute-simulator/src/main/java/org/opendc/compute/simulator/service/ComputeService.java
@@ -468,6 +468,10 @@ public final class ComputeService implements AutoCloseable, CarbonReceiver {
 
     void addTerminatedTask(ServiceTask task) {
 
+        if (!task.hasChildren()) {
+            return;
+        }
+
         for (int childTaskId : task.getChildren()) {
             SchedulingRequest request = blockedTasks.get(childTaskId);
             if (request != null) {
diff --git a/opendc-compute/opendc-compute-simulator/src/main/kotlin/org/opendc/compute/simulator/scheduler/ComputeSchedulers.kt b/opendc-compute/opendc-compute-simulator/src/main/kotlin/org/opendc/compute/simulator/scheduler/ComputeSchedulers.kt
index 01804a70..fc40fac0 100644
--- a/opendc-compute/opendc-compute-simulator/src/main/kotlin/org/opendc/compute/simulator/scheduler/ComputeSchedulers.kt
+++ b/opendc-compute/opendc-compute-simulator/src/main/kotlin/org/opendc/compute/simulator/scheduler/ComputeSchedulers.kt
@@ -61,7 +61,22 @@ public fun createPrefabComputeScheduler(
     clock: InstantSource,
     numHosts: Int = 1000,
 ): ComputeScheduler {
-    return createPrefabComputeScheduler(ComputeSchedulerEnum.valueOf(name.uppercase()), seeder, clock, numHosts)
+    val trimmedName = name.trim()
+
+    // Find the enum value case-insensitively
+    val schedulerEnum =
+        ComputeSchedulerEnum.entries.find {
+            it.name.equals(trimmedName, ignoreCase = true)
+        }
+
+    if (schedulerEnum == null) {
+        val validNames = ComputeSchedulerEnum.entries.joinToString(", ") { it.name }
+        throw IllegalArgumentException(
+            "Invalid scheduler name: '$name'. Valid scheduler names are: $validNames (case-insensitive)",
+        )
+    }
+
+    return createPrefabComputeScheduler(schedulerEnum, seeder, clock, numHosts)
 }
 
 /**