Delete old codebase

This change removes version 1 of the OpenDC simulator codebase as it
will be replaced by a complete rewrite in the Kotlin language.

1 files changed, 0 insertions, 308 deletions

diff --git a/Simulator/src/database/Database.cpp b/Simulator/src/database/Database.cpp
deleted file mode 100644
index f9ef6f7e..00000000
--- a/Simulator/src/database/Database.cpp
+++ /dev/null
@@ -1,308 +0,0 @@
-#include "database/Database.h"
-#include "database/Queries.h"
-#include "database/QueryExecuter.h"
-
-#include "modeling/ModelingTypes.h"
-#include "modeling/machine/CPU.h"
-
-#include "simulation/schedulers/ShortestRemainingTimeScheduler.h"
-
-#include <sqlite3.h>
-#include <assert.h>
-#include "simulation/Experiment.h"
-#include "simulation/schedulers/FirstInFirstOutScheduler.h"
-
-namespace Database
-{
-	Database::Database(char* name)
-	{
-		int rc = sqlite3_open_v2(name, &db, SQLITE_OPEN_READWRITE, NULL);
-		assert(rc == SQLITE_OK);
-	}
-
-	Database::~Database()
-	{
-		int rc = sqlite3_close_v2(db);
-		assert(rc == SQLITE_OK);
-	}
-
-	void Database::startTransaction() const
-	{
-		sqlite3_exec(db, "BEGIN TRANSACTION;", NULL, NULL, NULL);
-	}
-
-	void Database::endTransaction() const
-	{
-		sqlite3_exec(db, "END TRANSACTION;", NULL, NULL, NULL);
-	}
-
-	void Database::writeExperimentHistory(Simulation::Experiment& experiment) const
-	{
-		auto history = experiment.getHistory();
-
-		auto workloadHistory = std::get<0>(history.getHistory());
-
-		QueryExecuter<> writeWorkloadStateQuery(db);
-		writeWorkloadStateQuery.setQuery(Queries::WRITE_WORKLOAD_STATE);
-		std::for_each(workloadHistory.get().begin(), workloadHistory.get().end(), [&](const auto& pair) {
-			uint32_t tick = pair.first;
-			Simulation::WorkloadSnapshot snapshot = pair.second;
-
-			uint32_t id = snapshot.id;
-			uint32_t flopsDone = snapshot.flopsDone;
-			uint32_t coresUsed = snapshot.coresUsed;
-			writeWorkloadStateQuery.reset()
-				.bindParams<int, int, int, int, int>(id, experiment.getId(), tick, flopsDone, coresUsed)
-				.executeOnce();
-		});
-
-		auto machineHistory = std::get<1>(history.getHistory());
-
-		QueryExecuter<> writeMachineStateQuery(db);
-		writeMachineStateQuery.setQuery(Queries::WRITE_MACHINE_STATE);
-
-		std::for_each(machineHistory.get().begin(), machineHistory.get().end(), [&](const auto& pair) {
-			uint32_t tick = pair.first;
-			Simulation::MachineSnapshot snapshot = pair.second;
-
-			uint32_t id = snapshot.id;
-			uint32_t workloadId = snapshot.currentWorkload;
-			float temp = snapshot.temperature;
-			float load = snapshot.loadFraction;
-
-			uint32_t mem = snapshot.usedMemory;
-			writeMachineStateQuery.reset()
-				.bindParams<int, int, int, int, float, int, float>(workloadId, id, experiment.getId(), tick, temp, mem, load)
-				.executeOnce();
-		});
-
-		history.clearHistory();
-
-		uint32_t lastSimulatedTick = experiment.getCurrentTick() != 0 ? experiment.getCurrentTick() - 1 : 0;
-		QueryExecuter<> writeLastSimulatedTick(db);
-		writeLastSimulatedTick.setQuery(Queries::WRITE_EXPERIMENT_LAST_SIMULATED_TICK)
-			.bindParams<int, int>(lastSimulatedTick, experiment.getId())
-			.executeOnce();
-	}
-
-	int Database::pollQueuedExperiments() const
-	{
-		QueryExecuter<int> q(db);
-		q.setQuery(Queries::GET_QUEUED_EXPERIMENTS);
-		bool hasRow = q.step();
-		if(hasRow)
-			return q.result().get<int, 0>();
-		return -1;
-	}
-
-	void Database::dequeueExperiment(int experimentId) const
-	{
-		QueryExecuter<> q(db);
-		q.setQuery(Queries::SET_EXPERIMENT_STATE_SIMULATING)
-			.bindParams<int>(experimentId)
-			.executeOnce();
-	}
-
-	void Database::finishExperiment(int id) const
-	{
-		QueryExecuter<> q(db);
-		q.setQuery(Queries::SET_EXPERIMENT_STATE_FINISHED)
-			.bindParams<int>(id)
-			.executeOnce();
-	}
-
-
-	Simulation::Experiment Database::createExperiment(uint32_t experimentId)
-	{
-		// Retrieves the experiment data by ID 
-		QueryExecuter<int, int, int, int, std::string, std::string> q(db);
-		QueryResult<int, int, int, int, std::string, std::string> qres = q
-			.setQuery(Queries::GET_EXPERIMENT_BY_ID)
-			.bindParams<int>(experimentId)
-			.executeOnce();
-
-		// Sets the scheduler of the datacenter
-		Simulation::Scheduler* scheduler = loadScheduler(experimentId);
-
-		int pathId = qres.get<int, 2>();
-		Simulation::Path path = Simulation::Path(pathId);
-
-		QueryExecuter<int, int, int, int> q2(db);
-		std::vector<QueryResult<int, int, int, int>> q2res = q2
-			.setQuery(Queries::GET_SECTION_BY_PATH_ID)
-			.bindParams<int>(pathId)
-			.execute();
-
-		// Retrieve workloads of trace
-		Simulation::WorkloadPool pool = loadWorkloads(experimentId);
-
-		std::for_each(q2res.begin(), q2res.end(), [&](QueryResult<int, int, int, int> r) {
-			int datacenterId = r.get<int, 2>();
-			int startTick = r.get<int, 3>();
-			DefaultDatacenter datacenter = loadDatacenter(datacenterId);
-			DefaultSection section(datacenter, startTick);
-
-			path.addSection(section);
-		});
-
-		Simulation::Experiment experiment(path, scheduler, pool, experimentId);
-
-		return experiment;
-	}
-
-	Simulation::Scheduler* Database::loadScheduler(uint32_t experimentId) const
-	{
-		std::string name = QueryExecuter<std::string>(db)
-			.setQuery(Queries::GET_SCHEDULER_TYPE_OF_EXPERIMENT)
-			.bindParams<int>(experimentId)
-			.executeOnce()
-			.get<std::string, 0>();
-
-		// Retrieve scheduler
-		Simulation::Scheduler* scheduler = nullptr;
-		if(name == "DEFAULT")
-			scheduler = new Simulation::FirstInFirstOutScheduler();
-		else if(name == "SRTF") // Shortest remaining time first
-			scheduler = new Simulation::ShortestRemainingTimeScheduler();
-		else if(name == "FIFO")
-			scheduler = new Simulation::FirstInFirstOutScheduler();
-
-		assert(scheduler != nullptr);
-		return scheduler;
-	}
-
-	DefaultDatacenter Database::loadDatacenter(uint32_t datacenterId) const
-	{
-		DefaultDatacenter datacenter;
-
-		// Retrieves a vector of rooms of the datacenter
-		std::vector<QueryResult<int, std::string, int, std::string>> rooms = QueryExecuter<int, std::string, int, std::string>(db)
-			.setQuery(Queries::GET_ROOMS_OF_DATACENTER)
-			.bindParams<int>(datacenterId)
-			.execute();
-
-		// Get machines of rooms
-		for(auto& room : rooms)
-		{
-			int id = room.get<int, 0>();
-			Modeling::ServerRoom serverRoom(id);
-
-			// Retrieves the racks in the room
-			auto racks = QueryExecuter<int, std::string, int>(db)
-				.setQuery(Queries::GET_RACKS_OF_ROOM)
-				.bindParams<int>(id)
-				.execute();
-
-			for(auto& queryResult : racks)
-			{
-				int rackId = queryResult.get<int, 0>();
-
-				// Retrieves the machines in the rack
-				auto machinesResult = QueryExecuter<int, int>(db)
-					.setQuery(Queries::GET_MACHINES_OF_RACK)
-					.bindParams<int>(rackId)
-					.execute();
-
-				std::unordered_map<uint32_t, Modeling::Machine> machines;
-				for(auto& qr : machinesResult)
-				{
-					int position = qr.get<int, 1>();
-					int machineId = qr.get<int, 0>();
-					machines.emplace(position, Modeling::Machine(machineId));
-				}
-				
-				Modeling::Rack rack(rackId, machines);
-
-				// Retrieves the cpus in the rack
-				auto cpus = QueryExecuter<int, int, int, int, int>(db)
-					.setQuery(Queries::GET_CPUS_IN_RACK)
-					.bindParams<int>(rackId)
-					.execute();
-
-				for(auto& cpu : cpus)
-				{
-					int slot = cpu.get<int, 0>();
-					int speed = cpu.get<int, 1>();
-					int cores = cpu.get<int, 2>();
-					int energyConsumption = cpu.get<int, 3>();
-					int failureModelId = cpu.get<int, 4>();
-
-					rack.getMachineAtSlot(slot).addCPU(Modeling::CPU(speed, cores, energyConsumption, failureModelId));
-				}
-
-				// Retrieves the gpus in the rack
-				auto gpus = QueryExecuter<int, int, int, int, int>(db)
-					.setQuery(Queries::GET_GPUS_IN_RACK)
-					.bindParams<int>(rackId)
-					.execute();
-
-				for(auto& gpu : gpus)
-				{
-					int machineSlot = gpu.get<int, 0>();
-					int speed = gpu.get<int, 1>();
-					int cores = gpu.get<int, 2>();
-					int energyConsumption = gpu.get<int, 3>();
-					int failureModelId = gpu.get<int, 4>();
-
-					rack.getMachineAtSlot(machineSlot).addGPU(Modeling::GPU(speed, cores, energyConsumption, failureModelId));
-				}
-
-				serverRoom.addEntity<Modeling::Rack>(rack);
-			}
-
-			datacenter.addRoomOfType<Modeling::ServerRoom>(serverRoom);
-		}
-
-		return datacenter;
-	}
-
-	Simulation::WorkloadPool Database::loadWorkloads(uint32_t simulationSectionId) const
-	{
-		Simulation::WorkloadPool pool;
-
-		std::vector<QueryResult<int, int, int, int, int, std::string>> tasks;
-		// Fetch tasks from database
-		{
-			// Retrieves the traceId corresponding to the simulation section
-			QueryExecuter<int> q(db);
-			int traceId = q
-				.setQuery(Queries::GET_TRACE_OF_EXPERIMENT)
-				.bindParams<int>(simulationSectionId)
-				.executeOnce()
-				.get<int, 0>();
-
-			// Retrieves the tasks that belong to the traceId
-			QueryExecuter<int, int, int, int, int, std::string> q2(db);
-			tasks = q2
-				.setQuery(Queries::GET_TASKS_OF_TRACE)
-				.bindParams<int>(traceId)
-				.execute();
-		}
-
-		// Create workloads from tasks
-		for(auto& row : tasks)
-		{
-			int id = row.get<int, 0>();
-			int startTick = row.get<int, 1>();
-			int totalFlopCount = row.get<int, 2>();
-			int traceId = row.get<int, 3>();
-			int dependency = row.get<int, 4>();
-			std::string parallelizability = row.get<std::string, 5>();
-			bool parallel = false;
-			if (parallelizability == "PARALLEL")
-			{
-				parallel = true;
-			}
-
-			// TODO possibly wait and batch?
-			Simulation::Workload workload(totalFlopCount, startTick, id, traceId, dependency, parallel);
-			if(dependency == 0)
-				workload.dependencyFinished = true;
-
-			pool.addWorkload(workload);
-		}
-
-		return pool;
-	}
-}
-