public void Save(XmlDocument xml, XmlNode parent)
{
var node = parent.AppendChild(xml.CreateElement("Input"));
node.AppendChild(xml.CreateElement("VisibleName")).InnerText = VisibleName;
node.AppendChild(xml.CreateElement("Key")).InnerText = Key.ToString();
node.AppendChild(xml.CreateElement("InputNumber")).InnerText = InputNumber.ToString();
node.AppendChild(xml.CreateElement("ConnectedOutput")).InnerText = ConnectedOutput;
}
public void Execute()
{
_statusNr = 0;
_stop = false;
OutputFactors = null;
ProgressChanged(0, 100);
try
{
if (InputNumber < 1)
{
GuiLogMessage("Can't factorize number smaller than 1", NotificationLevel.Error);
return;
}
var inputString = InputNumber.ToString();
string name;
if (inputString.Length > 10)
{
name = inputString.Substring(0, 10) + "_" + inputString.GetHashCode();
}
else
{
name = inputString;
}
var nFile = Path.Combine(_directoryName, name + ".n");
if (!File.Exists(nFile))
{
using (var numberFile = File.CreateText(nFile))
{
numberFile.WriteLine("n: " + inputString);
}
}
Directory.SetCurrentDirectory(_directoryName);
var ggnfsDir = Path.Combine(_directoryName, "ggnfs") + Path.DirectorySeparatorChar;
var engine = IronPython.Hosting.Python.CreateEngine();
var searchPaths = engine.GetSearchPaths();
searchPaths.Add(Path.Combine(ggnfsDir, "pythonlib"));
engine.SetSearchPaths(searchPaths);
using (var outputStream = new GGNFSOutputStream(delegate(string buffer)
{
_presentation.Append(buffer);
SetStatus(_scope.GetVariable <int>("status"),
_scope.GetVariable <double>(
"sievingProgress"));
}))
using (var errorOutputStream = new GGNFSOutputStream(buffer => GuiLogMessage(buffer, NotificationLevel.Error)))
{
engine.Runtime.IO.SetOutput(outputStream, Encoding.ASCII);
engine.Runtime.IO.SetErrorOutput(errorOutputStream, Encoding.ASCII);
var scope = engine.CreateScope();
ScriptSource source = engine.CreateScriptSourceFromFile(Path.Combine(ggnfsDir, "factmsieve.py"));
source.Execute(scope);
_scope = scope;
scope.SetVariable("NAME", name);
scope.SetVariable("GGNFS_PATH", ggnfsDir);
scope.SetVariable("MSIEVE_PATH", ggnfsDir);
scope.SetVariable("NUM_CORES", _settings.NumCores);
scope.SetVariable("THREADS_PER_CORE", _settings.NumThreadsPerCore);
scope.SetVariable("USE_CUDA", _settings.UseCUDA);
scope.SetVariable("GPU_NUM", 1);
_executingThread = Thread.CurrentThread;
_kill = scope.GetVariable <Action>("Kill");
var main = scope.GetVariable <Func <List> >("Main");
var res = main.Invoke();
if (_stop || res == null || res.Count == 0)
{
return;
}
//give out factors:
var factorList = new List <BigInteger>();
foreach (var factor in res)
{
if (factor is BigInteger)
{
factorList.Add((BigInteger)factor);
}
else if (factor is int)
{
factorList.Add((int)factor);
}
else if (factor is long)
{
factorList.Add((long)factor);
}
}
OutputFactors = factorList.ToArray();
}
}
catch (SystemExitException)
{
if (!_stop)
{
ShowStopMessage();
}
}
catch (ThreadAbortException)
{
ShowStopMessage();
Thread.ResetAbort();
}
catch (Exception ex)
{
GuiLogMessage(Properties.Resources._Error_executing_number_field_sieve__ + ex.Message, NotificationLevel.Error);
}
finally
{
Status = null;
_executingThread = null;
_kill = null;
}
}
/// <summary>
/// Called by the environment to execute this plugin
/// </summary>
public void Execute()
{
if (checkInUse())
{
return;
}
try
{
Thread.CurrentThread.CurrentCulture = _cultureInfo;
Thread.CurrentThread.CurrentUICulture = _cultureUiInfo;
if (useGnuplot)
{
gnuplotFile = new StreamWriter(Path.Combine(directoryName, "gnuplot.dat"), false);
}
userStopped = false;
otherPeerFinished = false;
if (InputNumber < 2)
{
GuiLogMessage("Please enter a number >= 2.", NotificationLevel.Error);
return;
}
if (InputNumber.ToString().Length >= 275)
{
GuiLogMessage(Resources.Input_too_big_, NotificationLevel.Error);
return;
}
String info_message = typeof(QuadraticSieve).GetPluginStringResource("Starting_quadratic_sieve");
start_time = DateTime.Now;
GuiLogMessage(info_message, NotificationLevel.Info);
quadraticSieveQuickWatchPresentation.Dispatcher.Invoke(DispatcherPriority.Normal, (SendOrPostCallback) delegate
{
quadraticSieveQuickWatchPresentation.ProgressRelationPackages.Clear();
quadraticSieveQuickWatchPresentation.information.Content = info_message;
quadraticSieveQuickWatchPresentation.endTime.Content = "-";
quadraticSieveQuickWatchPresentation.timeLeft.Content = "-";
quadraticSieveQuickWatchPresentation.elapsedTime.Content = "-";
quadraticSieveQuickWatchPresentation.startTime.Content = "" + start_time;
quadraticSieveQuickWatchPresentation.factorList.Items.Clear();
quadraticSieveQuickWatchPresentation.factorInfo.Content = typeof(QuadraticSieve).GetPluginStringResource("Searching_trivial_factors");
if (usePeer2Peer)
{
quadraticSieveQuickWatchPresentation.localSieving.Visibility = Visibility.Hidden;
}
else
{
quadraticSieveQuickWatchPresentation.localSieving.Visibility = Visibility.Visible;
}
}
, null);
initMsieveDLL();
factorManager = new FactorManager(msieve.GetMethod("getPrimeFactors"), msieve.GetMethod("getCompositeFactors"), InputNumber);
factorManager.FactorsChanged += this.FactorsChanged;
//Now factorize:
try
{
string file = Path.Combine(directoryName, "" + InputNumber + ".dat");
if (settings.DeleteCache && File.Exists(file))
{
File.Delete(file);
}
MethodInfo start = msieve.GetMethod("start");
start.Invoke(null, new object[] { InputNumber.ToString(), file });
obj = IntPtr.Zero;
}
catch (Exception ex)
{
GuiLogMessage("Error using msieve. " + ex.Message, NotificationLevel.Error);
stopThreads();
return;
}
if (!userStopped)
{
Debug.Assert(factorManager.CalculateNumber() == InputNumber);
OutputFactors = factorManager.getPrimeFactors();
String timeLeft_message = Resources.NoneLeft;
String endtime_message = DateTime.Now.ToString();
quadraticSieveQuickWatchPresentation.Dispatcher.Invoke(DispatcherPriority.Normal, (SendOrPostCallback) delegate
{
quadraticSieveQuickWatchPresentation.information.Content = string.Format(typeof(QuadraticSieve).GetPluginStringResource("Sieving_finished"), OutputFactors.Count());
quadraticSieveQuickWatchPresentation.endTime.Content = endtime_message;
quadraticSieveQuickWatchPresentation.timeLeft.Content = timeLeft_message;
quadraticSieveQuickWatchPresentation.factorInfo.Content = "";
}
, null);
ProgressChanged(1, 1);
}
else
{
info_message = typeof(QuadraticSieve).GetPluginStringResource("Stopped_by_user");
GuiLogMessage(info_message, NotificationLevel.Info);
quadraticSieveQuickWatchPresentation.Dispatcher.Invoke(DispatcherPriority.Normal, (SendOrPostCallback) delegate
{
quadraticSieveQuickWatchPresentation.information.Content = typeof(QuadraticSieve).GetPluginStringResource("Stopped_by_user");
quadraticSieveQuickWatchPresentation.endTime.Content = "-";
quadraticSieveQuickWatchPresentation.timeLeft.Content = "-";
quadraticSieveQuickWatchPresentation.startTime.Content = "-";
quadraticSieveQuickWatchPresentation.elapsedTime.Content = "-";
quadraticSieveQuickWatchPresentation.factorInfo.Content = "";
}
, null);
}
if (useGnuplot)
{
gnuplotFile.Close();
}
}
finally
{
alreadyInUse = false;
}
}