Cpu fix (#208)

* Updated the topology format to JSON. Updated TopologyReader.kt to handle JSON filed. Added documentation for the new format.

* applied spotless kotlin

* small update

* Updated for spotless apply

* Updated for spotless apply

1 files changed, 40 insertions, 0 deletions

diff --git a/opendc-simulator/opendc-simulator-compute/src/main/java/org/opendc/simulator/compute/power/CPUPowerModelsFactory.kt b/opendc-simulator/opendc-simulator-compute/src/main/java/org/opendc/simulator/compute/power/CPUPowerModelsFactory.kt
new file mode 100644
index 00000000..e47c1c80
--- /dev/null
+++ b/opendc-simulator/opendc-simulator-compute/src/main/java/org/opendc/simulator/compute/power/CPUPowerModelsFactory.kt
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2024 AtLarge Research
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package org.opendc.simulator.compute.power
+
+public fun getPowerModel(
+    modelType: String,
+    power: Double,
+    maxPower: Double,
+    idlePower: Double,
+): CpuPowerModel {
+    return when (modelType) {
+        "constant" -> CpuPowerModels.constant(power)
+        "sqrt" -> CpuPowerModels.sqrt(maxPower, idlePower)
+        "linear" -> CpuPowerModels.linear(maxPower, idlePower)
+        "square" -> CpuPowerModels.square(maxPower, idlePower)
+        "cubic" -> CpuPowerModels.cubic(maxPower, idlePower)
+
+        else -> throw IllegalArgumentException("Unknown power modelType $modelType")
+    }
+}