/// <summary>
/// Initializes a new instance of the <see cref="Engine"/> class using the specified handlers
/// </summary>
/// <param name="systemHandlers">The system handlers for controlling acquisition of jobs, messaging, and api calls</param>
/// <param name="algorithmHandlers">The algorithm handlers for managing algorithm initialization, data, results, transaction, and real time events</param>
/// <param name="liveMode">True when running in live mode, false otherwises</param>
public Engine(LeanEngineSystemHandlers systemHandlers, LeanEngineAlgorithmHandlers algorithmHandlers, bool liveMode)
{
_liveMode = liveMode;
_systemHandlers = systemHandlers;
_algorithmHandlers = algorithmHandlers;
}
/// <summary>
/// Launches a Lean Engine using a parameter
/// </summary>
/// <param name="val">The paramater to use when launching lean. </param>
private void LaunchLean(string val)
{
Config.Set("environment", "backtesting");
string algorithm = val;
// Set the algorithm in Config. Here is where you can customize Config settings
Config.Set("algorithm-type-name", algorithm);
_jobQueue = new JobQueue();
_notify = new Messaging();
_api = new Api();
/************ Comment one of the two following lines to select which ResultHandler to use ***********/
_resultshandler = new OptimizationResultHandler();
//_resultshandler = new ConsoleResultHandler();
_dataFeed = new FileSystemDataFeed();
_setup = new ConsoleSetupHandler();
_realTime = new BacktestingRealTimeHandler();
_historyProvider = new SubscriptionDataReaderHistoryProvider();
_transactions = new BacktestingTransactionHandler();
// Set the Log.LogHandler to only write to the log.txt file.
// This setting avoids writing Log messages to the console.
Log.LogHandler = (ILogHandler)new FileLogHandler();
Log.DebuggingEnabled = false; // Set this property to true for lots of messages
Log.DebuggingLevel = 1; // A reminder that the default level for Log.Debug message is 1
var systemHandlers = new LeanEngineSystemHandlers(_jobQueue, _api, _notify);
systemHandlers.Initialize();
var algorithmHandlers = new LeanEngineAlgorithmHandlers(_resultshandler, _setup, _dataFeed, _transactions, _realTime, _historyProvider);
string algorithmPath;
AlgorithmNodePacket job = systemHandlers.JobQueue.NextJob(out algorithmPath);
try
{
var _engine = new Engine(systemHandlers, algorithmHandlers, Config.GetBool("live-mode"));
_engine.Run(job, algorithmPath);
}
finally
{
/* The JobQueue.AcknowledgeJob only asks for any key to close the window.
* We do not want that behavior, so we comment out this line so that multiple Leans will run
*
* The alternative is to comment out Console.Read(); the line in JobQueue class.
*/
//systemHandlers.JobQueue.AcknowledgeJob(job);
Log.Trace("Engine.Main(): Packet removed from queue: " + job.AlgorithmId);
// clean up resources
systemHandlers.Dispose();
algorithmHandlers.Dispose();
Log.LogHandler.Dispose();
}
}
private void LaunchLean()
{
Config.Set("environment", "backtesting");
string algorithm = "EMATest";
Config.Set("algorithm-type-name", algorithm);
//string datapath = Config.Get("data-folder");
_jobQueue = new JobQueue();
_notify = new Messaging();
_api = new Api();
_resultshandler = new OptimizationResultHandler();
//_resultshandler = new ConsoleResultHandler();
_dataFeed = new FileSystemDataFeed();
_setup = new ConsoleSetupHandler();
_realTime = new BacktestingRealTimeHandler();
_historyProvider = new SubscriptionDataReaderHistoryProvider();
_transactions = new BacktestingTransactionHandler();
Log.LogHandler = (ILogHandler)new FileLogHandler();
Log.DebuggingEnabled = false;
Log.DebuggingLevel = 1;
var systemHandlers = new LeanEngineSystemHandlers(_jobQueue, _api, _notify);
systemHandlers.Initialize();
var algorithmHandlers = new LeanEngineAlgorithmHandlers(_resultshandler, _setup, _dataFeed, _transactions, _realTime, _historyProvider);
string algorithmPath;
AlgorithmNodePacket job = systemHandlers.JobQueue.NextJob(out algorithmPath);
try
{
var _engine = new Engine(systemHandlers, algorithmHandlers, Config.GetBool("live-mode"));
_engine.Run(job, algorithmPath);
}
finally
{
//Delete the message from the job queue:
//systemHandlers.JobQueue.AcknowledgeJob(job);
Log.Trace("Engine.Main(): Packet removed from queue: " + job.AlgorithmId);
// clean up resources
systemHandlers.Dispose();
algorithmHandlers.Dispose();
Log.LogHandler.Dispose();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="Engine"/> class using the specified handlers
/// </summary>
/// <param name="systemHandlers">The system handlers for controlling acquisition of jobs, messaging, and api calls</param>
/// <param name="algorithmHandlers">The algorithm handlers for managing algorithm initialization, data, results, transaction, and real time events</param>
/// <param name="liveMode">True when running in live mode, false otherwises</param>
public Engine(LeanEngineSystemHandlers systemHandlers, LeanEngineAlgorithmHandlers algorithmHandlers, bool liveMode)
{
_liveMode = liveMode;
_systemHandlers = systemHandlers;
_algorithmHandlers = algorithmHandlers;
}
/// <summary>
/// Primary Analysis Thread:
/// </summary>
public static void Main(string[] args)
{
Log.LogHandler = Composer.Instance.GetExportedValueByTypeName <ILogHandler>(Config.Get("log-handler", "CompositeLogHandler"));
//Initialize:
string mode = "RELEASE";
var liveMode = Config.GetBool("live-mode");
Log.DebuggingEnabled = Config.GetBool("debug-mode");
#if DEBUG
mode = "DEBUG";
#endif
//Name thread for the profiler:
Thread.CurrentThread.Name = "Algorithm Analysis Thread";
Log.Trace("Engine.Main(): LEAN ALGORITHMIC TRADING ENGINE v" + Constants.Version + " Mode: " + mode);
Log.Trace("Engine.Main(): Started " + DateTime.Now.ToShortTimeString());
Log.Trace("Engine.Main(): Memory " + OS.ApplicationMemoryUsed + "Mb-App " + +OS.TotalPhysicalMemoryUsed + "Mb-Used " + OS.TotalPhysicalMemory + "Mb-Total");
//Import external libraries specific to physical server location (cloud/local)
LeanEngineSystemHandlers leanEngineSystemHandlers;
try
{
leanEngineSystemHandlers = LeanEngineSystemHandlers.FromConfiguration(Composer.Instance);
}
catch (CompositionException compositionException)
{
Log.Error("Engine.Main(): Failed to load library: " + compositionException);
throw;
}
//Setup packeting, queue and controls system: These don't do much locally.
leanEngineSystemHandlers.Initialize();
//-> Pull job from QuantConnect job queue, or, pull local build:
string assemblyPath;
var job = leanEngineSystemHandlers.JobQueue.NextJob(out assemblyPath);
if (job == null)
{
throw new Exception("Engine.Main(): Job was null.");
}
LeanEngineAlgorithmHandlers leanEngineAlgorithmHandlers;
try
{
leanEngineAlgorithmHandlers = LeanEngineAlgorithmHandlers.FromConfiguration(Composer.Instance);
}
catch (CompositionException compositionException)
{
Log.Error("Engine.Main(): Failed to load library: " + compositionException);
throw;
}
// log the job endpoints
Log.Trace("JOB HANDLERS: ");
Log.Trace(" DataFeed: " + leanEngineAlgorithmHandlers.DataFeed.GetType().FullName);
Log.Trace(" Setup: " + leanEngineAlgorithmHandlers.Setup.GetType().FullName);
Log.Trace(" RealTime: " + leanEngineAlgorithmHandlers.RealTime.GetType().FullName);
Log.Trace(" Results: " + leanEngineAlgorithmHandlers.Results.GetType().FullName);
Log.Trace(" Transactions: " + leanEngineAlgorithmHandlers.Transactions.GetType().FullName);
// if the job version doesn't match this instance version then we can't process it
// we also don't want to reprocess redelivered jobs
if (job.Version != Constants.Version || job.Redelivered)
{
Log.Error("Engine.Run(): Job Version: " + job.Version + " Deployed Version: " + Constants.Version + " Redelivered: " + job.Redelivered);
//Tiny chance there was an uncontrolled collapse of a server, resulting in an old user task circulating.
//In this event kill the old algorithm and leave a message so the user can later review.
leanEngineSystemHandlers.JobQueue.AcknowledgeJob(job);
leanEngineSystemHandlers.Api.SetAlgorithmStatus(job.AlgorithmId, AlgorithmStatus.RuntimeError, _collapseMessage);
leanEngineSystemHandlers.Notify.SetChannel(job.Channel);
leanEngineSystemHandlers.Notify.RuntimeError(job.AlgorithmId, _collapseMessage);
return;
}
try
{
var engine = new Engine(leanEngineSystemHandlers, leanEngineAlgorithmHandlers, liveMode);
engine.Run(job, assemblyPath);
}
finally
{
//Delete the message from the job queue:
leanEngineSystemHandlers.JobQueue.AcknowledgeJob(job);
Log.Trace("Engine.Main(): Packet removed from queue: " + job.AlgorithmId);
// clean up resources
leanEngineSystemHandlers.Dispose();
leanEngineAlgorithmHandlers.Dispose();
Log.LogHandler.Dispose();
}
}
private void LaunchLean()
{
Config.Set ("environment", "desktop");
string algorithm = "EMATest";
Config.Set("algorithm-type-name", algorithm);
_jobQueue = new JobQueue ();
_notify = new Messaging ();
_api = new Api();
_resultshandler = new DesktopResultHandler ();
_dataFeed = new FileSystemDataFeed ();
_setup = new ConsoleSetupHandler ();
_realTime = new BacktestingRealTimeHandler ();
_historyProvider = new SubscriptionDataReaderHistoryProvider ();
_transactions = new BacktestingTransactionHandler ();
var systemHandlers = new LeanEngineSystemHandlers (_jobQueue, _api, _notify);
systemHandlers.Initialize ();
var algorithmHandlers = new LeanEngineAlgorithmHandlers (_resultshandler, _setup, _dataFeed, _transactions, _realTime, _historyProvider);
var _engine = new Engine (systemHandlers, algorithmHandlers, Config.GetBool ("live-mode"));
string algorithmPath;
var job = systemHandlers.JobQueue.NextJob(out algorithmPath);
_engine.Run(job, algorithmPath);
}
