feat: Add initial version of OpenDC simulation model

This change adds the initial version of the port of the OpenDC
simulation model to version 2.x of the simulator.

The simulation model has been reworked to support immutability and
event-driven simulation, with speed-ups up to 75x.

1 files changed, 148 insertions, 0 deletions

diff --git a/opendc-experiments-tpds/src/main/kotlin/com/atlarge/opendc/experiments/tpds/TestExperiment.kt b/opendc-experiments-tpds/src/main/kotlin/com/atlarge/opendc/experiments/tpds/TestExperiment.kt
new file mode 100644
index 00000000..ad302889
--- /dev/null
+++ b/opendc-experiments-tpds/src/main/kotlin/com/atlarge/opendc/experiments/tpds/TestExperiment.kt
@@ -0,0 +1,148 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2019 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 com.atlarge.opendc.experiments.tpds
+
+import com.atlarge.odcsim.ActorContext
+import com.atlarge.odcsim.ActorSystemFactory
+import com.atlarge.odcsim.Behavior
+import com.atlarge.odcsim.TimerScheduler
+import com.atlarge.odcsim.coroutines.suspending
+import com.atlarge.odcsim.receiveMessage
+import com.atlarge.odcsim.same
+import com.atlarge.odcsim.stopped
+import com.atlarge.odcsim.unhandled
+import com.atlarge.odcsim.withTimers
+import com.atlarge.opendc.format.environment.sc18.Sc18EnvironmentReader
+import com.atlarge.opendc.format.trace.gwf.GwfTraceReader
+import com.atlarge.opendc.model.Broker
+import com.atlarge.opendc.model.Model
+import com.atlarge.opendc.model.PlatformRef
+import com.atlarge.opendc.model.find
+import com.atlarge.opendc.model.services.provisioning.SimpleProvisioningService
+import com.atlarge.opendc.model.services.resources.ResourceManagementService
+import com.atlarge.opendc.model.services.workflows.StageWorkflowScheduler
+import com.atlarge.opendc.model.services.workflows.WorkflowEvent
+import com.atlarge.opendc.model.services.workflows.WorkflowMessage
+import com.atlarge.opendc.model.services.workflows.WorkflowSchedulerMode
+import com.atlarge.opendc.model.services.workflows.WorkflowService
+import com.atlarge.opendc.model.services.workflows.stages.job.FifoJobSortingPolicy
+import com.atlarge.opendc.model.services.workflows.stages.job.NullJobAdmissionPolicy
+import com.atlarge.opendc.model.services.workflows.stages.resources.FirstFitResourceSelectionPolicy
+import com.atlarge.opendc.model.services.workflows.stages.resources.FunctionalResourceDynamicFilterPolicy
+import com.atlarge.opendc.model.services.workflows.stages.task.FifoTaskSortingPolicy
+import com.atlarge.opendc.model.services.workflows.stages.task.FunctionalTaskEligibilityPolicy
+import com.atlarge.opendc.model.workload.workflow.Job
+import com.atlarge.opendc.model.zones
+import java.io.File
+import java.util.ServiceLoader
+import kotlin.math.max
+
+/**
+ * Main entry point of the experiment.
+ */
+fun main(args: Array<String>) {
+    if (args.isEmpty()) {
+        println("error: Please provide path to GWF trace")
+        return
+    }
+
+
+    val scheduler = StageWorkflowScheduler(
+        mode = WorkflowSchedulerMode.Batch(100.0),
+        jobAdmissionPolicy = NullJobAdmissionPolicy,
+        jobSortingPolicy = FifoJobSortingPolicy(),
+        taskEligibilityPolicy = FunctionalTaskEligibilityPolicy(),
+        taskSortingPolicy = FifoTaskSortingPolicy(),
+        resourceDynamicFilterPolicy = FunctionalResourceDynamicFilterPolicy(),
+        resourceSelectionPolicy = FirstFitResourceSelectionPolicy()
+    )
+
+    val environment = Sc18EnvironmentReader(object {}.javaClass.getResourceAsStream("/env/setup-test.json"))
+        .use { it.read() }
+        .let { env ->
+            env.copy(platforms = env.platforms.map { platform ->
+                platform.copy(zones = platform.zones.map { zone ->
+                    val services = zone.services + setOf(ResourceManagementService, SimpleProvisioningService, WorkflowService(scheduler))
+                    zone.copy(services = services)
+                })
+            })
+        }
+
+    val broker = object : Broker {
+        override fun invoke(platforms: List<PlatformRef>): Behavior<*> = suspending<Any> { ctx ->
+            val zones = platforms.first().zones()
+            val service = zones.values.first().find(WorkflowService)
+
+            val activeJobs = mutableSetOf<Job>()
+            val reader = GwfTraceReader(File(args[0]))
+
+            fun submitNext(ctx: ActorContext<Any>, timers: TimerScheduler<Any>) {
+                if (!reader.hasNext()) {
+                    return
+                }
+
+                val (time, job) = reader.next()
+                timers.after(job, max(.0, time - ctx.time)) {
+                    ctx.send(service, WorkflowMessage.Submit(job, ctx.self))
+                    submitNext(ctx, timers)
+                }
+            }
+
+            var total = 0
+            var finished = 0
+
+            withTimers { timers ->
+                submitNext(ctx, timers)
+                receiveMessage { msg ->
+                    when (msg) {
+                        is WorkflowEvent.JobSubmitted -> {
+                            ctx.log.info("Job {} submitted", msg.job.uid)
+                            total += 1
+                            same()
+                        }
+                        is WorkflowEvent.JobStarted -> {
+                            activeJobs += msg.job
+                            same()
+                        }
+                        is WorkflowEvent.JobFinished -> {
+                            activeJobs -= msg.job
+                            finished += 1
+                            ctx.log.info("Jobs {}/{} finished ({} tasks)", finished, total, msg.job.tasks.size)
+                            if (activeJobs.isEmpty()) stopped() else same()
+                        }
+                        else ->
+                            unhandled()
+                    }
+                }
+            }
+        }
+    }
+
+    val model = Model(environment, listOf(broker))
+    val factory = ServiceLoader.load(ActorSystemFactory::class.java).first()
+    val system = factory(model(), name = "sim")
+    system.run()
+    system.terminate()
+}