Rewrote the FlowEngine (#256)

* Removed unused components. Updated tests.

Improved checkpointing model

Improved model, started with SimPowerSource

implemented FailureModels and Checkpointing

First working version

midway commit

first update

All simulation are now run with a single CPU and single MemoryUnit. multi CPUs are combined into one. This is for performance and explainability.

* fixed merge conflicts

* Updated M3SA paths.

* Fixed small typo

3 files changed, 0 insertions, 172 deletions

diff --git a/opendc-faas/opendc-faas-api/build.gradle.kts b/opendc-faas/opendc-faas-api/build.gradle.kts
deleted file mode 100644
index 2e4b5776..00000000
--- a/opendc-faas/opendc-faas-api/build.gradle.kts
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (c) 2021 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.
- */
-
-description = "API for the OpenDC FaaS platform"
-
-// Build configuration
-plugins {
-    `kotlin-library-conventions`
-}
diff --git a/opendc-faas/opendc-faas-api/src/main/kotlin/org/opendc/faas/api/FaaSClient.kt b/opendc-faas/opendc-faas-api/src/main/kotlin/org/opendc/faas/api/FaaSClient.kt
deleted file mode 100644
index 297d3065..00000000
--- a/opendc-faas/opendc-faas-api/src/main/kotlin/org/opendc/faas/api/FaaSClient.kt
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * Copyright (c) 2021 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.faas.api
-
-import java.util.UUID
-
-/**
- * Client interface to the OpenDC FaaS platform.
- */
-public interface FaaSClient : AutoCloseable {
-    /**
-     * Obtain the list of [FaaSFunction]s accessible by the requesting user.
-     */
-    public suspend fun queryFunctions(): List<FaaSFunction>
-
-    /**
-     * Obtain a [FaaSFunction] by its unique identifier.
-     *
-     * @param id The identifier of the flavor.
-     */
-    public suspend fun findFunction(id: UUID): FaaSFunction?
-
-    /**
-     * Obtain a [FaaSFunction] by its name.
-     *
-     * @param name The name of the function.
-     */
-    public suspend fun findFunction(name: String): FaaSFunction?
-
-    /**
-     * Create a new serverless function.
-     *
-     * @param name The name of the function.
-     * @param memorySize The memory allocated for the function in MB.
-     * @param labels The labels associated with the function.
-     * @param meta The metadata associated with the function.
-     */
-    public suspend fun newFunction(
-        name: String,
-        memorySize: Long,
-        labels: Map<String, String> = emptyMap(),
-        meta: Map<String, Any> = emptyMap(),
-    ): FaaSFunction
-
-    /**
-     * Invoke the function with the specified [name].
-     */
-    public suspend fun invoke(name: String)
-
-    /**
-     * Release the resources associated with this client, preventing any further API calls.
-     */
-    public override fun close()
-}
diff --git a/opendc-faas/opendc-faas-api/src/main/kotlin/org/opendc/faas/api/FaaSFunction.kt b/opendc-faas/opendc-faas-api/src/main/kotlin/org/opendc/faas/api/FaaSFunction.kt
deleted file mode 100644
index 40f0092f..00000000
--- a/opendc-faas/opendc-faas-api/src/main/kotlin/org/opendc/faas/api/FaaSFunction.kt
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * Copyright (c) 2021 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.faas.api
-
-import java.util.UUID
-
-/**
- * A serverless function instance.
- */
-public interface FaaSFunction {
-    /**
-     * The unique identifier of the function.
-     */
-    public val uid: UUID
-
-    /**
-     * The name of the function.
-     */
-    public val name: String
-
-    /**
-     * The amount of memory allocated for this function in MB.
-     */
-    public val memorySize: Long
-
-    /**
-     * The identifying labels attached to the resource.
-     */
-    public val labels: Map<String, String>
-
-    /**
-     * The non-identifying metadata attached to the resource.
-     */
-    public val meta: Map<String, Any>
-
-    /**
-     * Invoke the serverless function.
-     */
-    public suspend operator fun invoke()
-
-    /**
-     * Request the function to be deleted.
-     */
-    public suspend fun delete()
-
-    /**
-     * Refresh the local state of this object.
-     */
-    public suspend fun refresh()
-}