public void AddErrorAndOutLogAndWriteTwoLinesToEach()
{
var fileNameErr = MethodInfo.GetCurrentMethod().Name + "_Err.log";
var fileNameOut = MethodInfo.GetCurrentMethod().Name + "_Out.log";
var output = new Output();
Assert.IsNotNull(output);
output.AddLog(new Log(fileNameErr, true, false));
output.AddLog(new Log(fileNameOut, true, false));
Assert.AreEqual(output.NumLogs, 2);
Assert.IsTrue(File.Exists(fileNameErr));
Assert.IsTrue(File.Exists(fileNameOut));
output.GetLog(0).Writer.WriteLine("Hello Error!");
output.GetLog(0).Writer.WriteLine("Hello Error again!");
output.GetLog(1).Writer.WriteLine("Hello Out!");
output.GetLog(1).Writer.WriteLine("Hello Out again!");
output.Close();
using (var reader = new StreamReader(new FileStream(fileNameErr, FileMode.Open, FileAccess.Read, FileShare.Read)))
{
var line = reader.ReadLine();
Assert.AreEqual(line, "Hello Error!");
line = reader.ReadLine();
Assert.AreEqual(line, "Hello Error again!");
}
using (var reader = new StreamReader(new FileStream(fileNameOut, FileMode.Open, FileAccess.Read, FileShare.Read)))
{
var line = reader.ReadLine();
Assert.AreEqual(line, "Hello Out!");
line = reader.ReadLine();
Assert.AreEqual(line, "Hello Out again!");
}
}
public void WarningToConsoleErrorAndOutputLog()
{
var output = new Output();
Assert.IsNotNull(output);
output.AddLog(Log.D_STDERR, true);
output.AddLog(Log.D_STDOUT, true);
output.Warning("Ooops!");
Assert.AreEqual(output.NumLogs, 2);
output.Close();
}
public void ErrorToConsoleErrorAndOutputLogWithOneParameterToBlame()
{
var output = new Output();
Assert.IsNotNull(output);
output.AddLog(Log.D_STDERR, true);
output.AddLog(Log.D_STDOUT, true);
output.Error("Ooops!", new Parameter("BadParameter"));
Assert.AreEqual(output.NumLogs, 2);
output.Close();
}
public void WarningToConsoleErrorAndOutputLogWithTwoParametersToBlame()
{
var output = new Output();
Assert.IsNotNull(output);
output.AddLog(Log.D_STDERR, true);
output.AddLog(Log.D_STDOUT, true);
output.Warning("Ooops!", new Parameter("FirstBadParameter"), new Parameter("SecondBadParameter"));
Assert.AreEqual(output.NumLogs, 2);
output.Close();
}
public void MessageToStandardErrorAndOutputStreams()
{
var output = new Output();
output.AddLog(Log.D_STDERR, true);
output.AddLog(Log.D_STDOUT, true);
output.Message("Message!");
Assert.AreEqual(output.NumAnnouncements, 2); // one for each registered log
context.WriteLine("NumAnnouncements = {0}", output.NumAnnouncements);
output.Close();
}
public void GetNumLogs()
{
var output = new Output();
Assert.AreEqual(output.NumLogs, 0);
output.AddLog(0, true);
Assert.AreEqual(output.NumLogs, 1);
output.AddLog(1, false);
Assert.AreEqual(output.NumLogs, 2);
output.Close();
}
public void FatalToConsoleErrorAndOutputLog()
{
var output = new Output();
Assert.IsNotNull(output);
// Setting ThrowsErrors to true ensures that we don't exit the process!
output.ThrowsErrors = true;
output.AddLog(Log.D_STDERR, true);
output.AddLog(Log.D_STDOUT, true);
output.Fatal("Ooops!");
Assert.AreEqual(output.NumLogs, 2);
output.Close();
}
public void FatalToConsoleErrorAndOutputLogWithTwoParametersToBlame()
{
var output = new Output();
Assert.IsNotNull(output);
// Setting ThrowsErrors to true ensures that we don't exit the process!
output.ThrowsErrors = true;
output.AddLog(Log.D_STDERR, true);
output.AddLog(Log.D_STDOUT, true);
output.Fatal("Ooops!", new Parameter("FirstBadParameter"), new Parameter("SecondBadParameter"));
Assert.AreEqual(output.NumLogs, 2);
output.Close();
}
public void FilePrefixWithMultipleNumberedLogs()
{
var prefix = "Output_";
var output = new Output {
FilePrefix = prefix
};
output.AddLog("1.log");
Assert.IsTrue(File.Exists(prefix + "1.log"));
output.AddLog("2.log");
Assert.IsTrue(File.Exists(prefix + "2.log"));
output.Close();
}
public void FilePrefixWithRepeatNameThrows()
{
var prefix = "Output_";
var output = new Output {
FilePrefix = prefix
};
output.AddLog("1.log");
Assert.IsTrue(File.Exists(prefix + "1.log"));
output.AddLog("1.log");
Assert.IsTrue(File.Exists(prefix + "1.log"));
output.Close();
}
/// <summary>
/// Initializes an evolutionary run given the parameters and a random seed adjustment (added to each random seed).
/// The adjustment offers a convenient way to change the seeds of the random number generators each time you
/// do a new evolutionary run. You are of course welcome to replace the random number generators after initialize(...)
/// but before startFresh(...)
/// </summary>
public static EvolutionState Initialize(IParameterDatabase parameters, int randomSeedOffset)
{
var output = new Output(true);
// stdout is always log #0. stderr is always log #1.
// stderr accepts announcements, and both are fully verbose
// by default.
output.AddLog(Log.D_STDOUT, false);
output.AddLog(Log.D_STDERR, true);
// now continue intialization
return(Initialize(parameters, randomSeedOffset, output));
}
/// <summary>
/// Constructs and sets up an Output object.
/// </summary>
public static Output BuildOutput()
{
// 1. create the output
var output = new Output(true);
// stdout is always log #0. stderr is always log #1.
// stderr accepts announcements, and both are fully verbose
// by default.
output.AddLog(Log.D_STDOUT, false);
output.AddLog(Log.D_STDERR, true);
return(output);
}
public void AddErrorLog()
{
var output = new Output();
Assert.IsNotNull(output);
output.AddLog(new Log("err.log", true, false));
Assert.AreEqual(output.NumLogs, 1);
Assert.IsTrue(File.Exists("err.log"));
}
public void AddConsoleOutLogUsingDescriptor()
{
var output = new Output();
Assert.IsNotNull(output);
output.AddLog(Log.D_STDOUT, true);
Assert.AreEqual(output.NumLogs, 1);
output.Close();
}
public void FilePrefixDotOnlyThrows()
{
var prefix = ".";
var output = new Output {
FilePrefix = prefix
};
output.AddLog("");
Assert.IsTrue(File.Exists(prefix + ""));
output.Close();
}
public void FilePrefixUnderscoreOnly()
{
var prefix = "_";
var output = new Output {
FilePrefix = prefix
};
output.AddLog("");
Assert.IsTrue(File.Exists(prefix + ""));
output.Close();
}
public void FilePrefixDotOnlyExtension()
{
var prefix = ".";
var output = new Output {
FilePrefix = prefix
};
output.AddLog(".log");
Assert.IsTrue(File.Exists(prefix + ".log"));
output.Close();
}
public void ErrorsNotedAndCleared()
{
var output = new Output();
output.AddLog(Log.D_STDERR, true);
output.Error("Oops!");
Assert.IsTrue(output.HasErrors);
output.ClearErrors();
Assert.IsFalse(output.HasErrors);
output.Close();
}
public void FilePrefixNumericUnderscore()
{
var prefix = "1_";
var output = new Output {
FilePrefix = prefix
};
output.AddLog("test.log");
Assert.IsTrue(File.Exists(prefix + "test.log"));
output.Close();
}
public void PrintLnToConsoleOut()
{
var output = new Output();
var logNum = output.AddLog(Log.D_STDOUT, true);
output.PrintLn("Hello World!", logNum);
output.PrintLn("Hello Again World!", logNum); // Prints on same line
output.PrintLn("", logNum); // Now we've moved to a new line.
output.PrintLn("Hello for a third time World!", logNum);
output.PrintLn("Hello for a fourth time World!", logNum);
output.Close();
}
public void StoreAnnouncementsDisableAndClear()
{
var output = new Output();
output.AddLog(Log.D_STDERR, true);
output.Message("Hello World!");
Assert.AreEqual(output.NumAnnouncements, 1);
output.StoreAnnouncements = false;
Assert.AreEqual(output.NumAnnouncements, 1);
output.ClearAnnouncements();
Assert.AreEqual(output.NumAnnouncements, 0);
output.Message("Hi again!");
Assert.AreEqual(output.NumAnnouncements, 0);
output.Close();
}
public void AddErrorLogAndWriteThenTryReadWithoutClosingOuputThrows()
{
var fileNameErr = MethodInfo.GetCurrentMethod().Name + "_Err.log";
var output = new Output();
Assert.IsNotNull(output);
output.AddLog(new Log(fileNameErr, true, false));
Assert.AreEqual(output.NumLogs, 1);
Assert.IsTrue(File.Exists(fileNameErr));
output.GetLog(0).Writer.WriteLine("Hello World!");
var reader = new StreamReader(new FileStream(fileNameErr, FileMode.Open, FileAccess.Read, FileShare.Read));
var line = reader.ReadLine();
Assert.AreEqual(line, "Hello World!");
}
public void Evaluate(IEvolutionState state,
Individual ind,
int subpopulation,
int threadnum)
{
if (ind.Evaluated && !ReevaluateIndividuals)
{
return;
}
var fits = new ArrayList();
Individual bestOfRuns = null;
for (int run = 0; run < Runs; run++)
{
// too annoying
//state.Output.message("Thread " + threadnum + " Run " + run);
try
{
// The following uses BinaryFormatter to create a separate copy of the ParameterDatabase.
CurrentDatabase = (ParameterDatabase)p_database.DeepClone();
}
catch (Exception e)
{
state.Output.Fatal("Exception copying database.\n" + e);
}
ModifyParameters(state, CurrentDatabase, run, ind);
var output = new Output(false); // do not store messages, just print them
output.AddLog(Log.D_STDOUT, false);
output.AddLog(Log.D_STDERR, true);
output.ThrowsErrors = true; // don't do System.exit(1);
EvolutionState evaluatedState = null;
try
{
evaluatedState = Evolve.Initialize(CurrentDatabase, 0, output);
// should we override the seeds?
if (SetRandom)
{
// we use the random number generator to seed the generators
// of the underlying process. This isn't optimal but it should
// probably do okay. To be extra careful we prime the generators.
for (int i = 0; i < evaluatedState.Random.Length; i++)
{
int seed = state.Random[threadnum].NextInt();
evaluatedState.Random[i] = Evolve.PrimeGenerator(new MersenneTwisterFast(seed));
}
}
evaluatedState.Run(EvolutionState.C_STARTED_FRESH);
// Issue a warning if there's more than one subpopulation
if (evaluatedState.Population.Subpops.Count > 1)
{
state.Output.WarnOnce(
"MetaProblem used, but underlying evolution state has more than one subpopulation: only the results from subpopulation 0 will be considered.");
}
// Identify the best fitness of the underlying EvolutionState run,
// we can only easily detect if the underlying EvolutionState has a proper Statistics
// object we can use AFTER we've run it because the Statistics object is set up during
// run(). We could modify this but I'm too lazy to do so, so...
Individual[] inds = null; // will get set, don't worry
if (evaluatedState.Statistics != null &&
(evaluatedState.Statistics is SimpleStatistics ||
evaluatedState.Statistics is SimpleShortStatistics))
{
inds = null;
// obviously we need an interface here rather than this nonsense
if (evaluatedState.Statistics is SimpleStatistics)
{
inds = ((SimpleStatistics)evaluatedState.Statistics).GetBestSoFar();
}
else
{
inds = ((SimpleShortStatistics)evaluatedState.Statistics).GetBestSoFar();
}
if (inds == null)
{
state.Output.Fatal(
"Underlying evolution state has a Statistics object which provides a null best-so-far array. Can't extract fitness.");
}
fits.Add((Fitness)(inds[0].Fitness));
//System.err.println("" + inds[0] + " " + inds[0].fitness);
}
else if (evaluatedState.Statistics == null)
{
state.Output.Fatal(
"Underlying evolution state has a null Statistics object. Can't extract fitness.");
}
else
{
state.Output.Fatal(
"Underlying evolution state has a Statistics object which doesn't implement ProvidesBestSoFar. Can't extract fitness.");
}
// Now we need to suck out the best individual discovered so far. If the underlying
// evoluationary system itself has a MetaProblem, we need to do this recursively.
// We presume that the MetaProblem exists in subpopulation 0.
if (evaluatedState.Evaluator.p_problem is MetaProblem)
{
var mp = (MetaProblem)evaluatedState.Evaluator.p_problem;
lock (mp.Lock)
{
Individual bestind = mp.BestUnderlyingIndividual[0];
if (bestOfRuns == null || bestind.Fitness.BetterThan(bestOfRuns.Fitness))
{
bestOfRuns = (Individual)bestind.Clone();
}
}
}
// otherwise we grab the best individual found in the underlying evolutionary run,
// gathered from the inds array we used earlier.
else
{
// gather the best individual found during the runs
if (bestOfRuns == null || inds[0].Fitness.BetterThan(bestOfRuns.Fitness))
{
bestOfRuns = (Individual)(inds[0].Clone());
}
}
// now clean up
Evolve.Cleanup(evaluatedState);
}
catch (OutputExitException e)
{
// looks like an error occurred.
state.Output.Warning(
"Error occurred in underlying evolutionary run. NOTE: multiple threads may still be running:\n" +
e.Message);
}
catch (OutOfMemoryException e)
{
// Let's try fixing things
evaluatedState = null;
//System.gc();
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
GC.WaitForPendingFinalizers();
state.Output.Warning(
"An Out of Memory error occurred in underlying evolutionary run. Attempting to recover and reset. NOTE: multiple threads may still be running:\n" +
e.Message);
}
}
// Load the fitness into our individual
var fits2 = new IFitness[fits.Count];
for (var i = 0; i < fits2.Length; i++)
{
fits2[i] = (IFitness)fits[i];
}
Combine(state, fits2, ind.Fitness);
ind.Evaluated = true;
// store the best individual found during the runs if it's superior.
// We need to do a lock here, which is rare in ECJ. This is because the
// bestUnderlyingIndividual array is shared among MetaProblem instances
lock (Lock)
{
if (bestOfRuns != null &&
(BestUnderlyingIndividual[subpopulation] == null ||
bestOfRuns.Fitness.BetterThan(BestUnderlyingIndividual[subpopulation].Fitness)))
{
BestUnderlyingIndividual[subpopulation] = bestOfRuns; // no clone necessary
}
}
}
public static void Main(string[] args)
{
IEvolutionState state = null;
IParameterDatabase parameters = null;
Output output = null;
//bool store;
int x;
// 0. find the parameter database
for (x = 0; x < args.Length - 1; x++)
{
if (args[x].Equals(A_FILE))
{
try
{
parameters = new ParameterDatabase(new FileInfo(new FileInfo(args[x + 1]).FullName), args);
// add the fact that I am a slave: eval.i-am-slave = true
// this is used only by the Evaluator to determine whether to use the MasterProblem
parameters.SetParameter(new Parameter(EvolutionState.P_EVALUATOR).Push(Evaluator.P_IAMSLAVE),
"true");
break;
}
catch (FileNotFoundException e)
{
Output.InitialError(
"A File Not Found Exception was generated upon" + " reading the parameter file \""
+ args[x + 1] + "\".\nHere it is:\n" + e, false);
Environment.Exit(1);
// This was originally part of the InitialError call in ECJ. But we make Slave responsible.
}
catch (IOException e)
{
Output.InitialError("An IO Exception was generated upon reading the" + " parameter file \""
+ args[x + 1] + "\".\nHere it is:\n" + e, false);
Environment.Exit(1);
// This was originally part of the InitialError call in ECJ. But we make Slave responsible.
}
}
}
if (parameters == null)
{
Output.InitialError("No parameter file was specified.", false);
Environment.Exit(1);
// This was originally part of the InitialError call in ECJ. But we make Slave responsible.
}
// 5. Determine whether or not to return entire Individuals or just Fitnesses
// (plus whether or not the Individual has been evaluated).
var returnIndividuals = parameters.GetBoolean(new Parameter(P_RETURNINDIVIDUALS), null, false);
// 5.5 should we silence the whole thing?
bool silent = parameters.GetBoolean(new Parameter(P_SILENT), null, false);
if (parameters.ParameterExists(new Parameter(P_MUZZLE), null))
{
Output.InitialWarning("" + new Parameter(P_MUZZLE) + " has been deprecated. We suggest you use " +
new Parameter(P_SILENT) + " or similar newer options.");
}
silent = silent || parameters.GetBoolean(new Parameter(P_MUZZLE), null, false);
// 6. Open a server socket and listen for requests
var slaveName = parameters.GetString(new Parameter(P_EVALSLAVENAME), null);
var masterHost = parameters.GetString(new Parameter(P_EVALMASTERHOST), null);
if (masterHost == null)
{
Output.InitialError("Master Host missing", new Parameter(P_EVALMASTERHOST));
}
var masterPort = parameters.GetInt(new Parameter(P_EVALMASTERPORT), null, 0);
if (masterPort == -1)
{
Output.InitialError("Master Port missing", new Parameter(P_EVALMASTERPORT));
}
var useCompression = parameters.GetBoolean(new Parameter(P_EVALCOMPRESSION), null, false);
RunTime = parameters.GetInt(new Parameter(P_RUNTIME), null, 0);
RunEvolve = parameters.GetBoolean(new Parameter(P_RUNEVOLVE), null, false);
OneShot = parameters.GetBoolean(new Parameter(P_ONESHOT), null, true);
if (RunEvolve && !returnIndividuals)
{
Output.InitialError(
"You have the slave running in 'evolve' mode, but it's only returning fitnesses to the master, not whole individuals. This is almost certainly wrong.",
new Parameter(P_RUNEVOLVE), new Parameter(P_RETURNINDIVIDUALS));
Environment.Exit(1);
// This was originally part of the InitialError call in ECJ. But we make Slave responsible.
}
if (!silent)
{
Output.InitialMessage("ECCS Slave");
if (RunEvolve)
{
Output.InitialMessage("Running in Evolve mode, evolve time is " + RunTime + " milliseconds");
}
if (returnIndividuals)
{
Output.InitialMessage("Whole individuals will be returned");
}
else
{
Output.InitialMessage("Only fitnesses will be returned");
}
}
// Continue to serve new masters until killed.
TcpClient socket = null; // BRS: TcpClient is a wrapper around the Socket class
while (true)
{
try
{
long connectAttemptCount = 0;
if (!silent)
{
Output.InitialMessage("Connecting to master at " + masterHost + ":" + masterPort);
}
while (true)
{
try
{
socket = new TcpClient(masterHost, masterPort);
break;
}
catch (Exception)
// it's not up yet...
{
connectAttemptCount++;
try
{
Thread.Sleep(new TimeSpan((Int64)10000 * SLEEP_TIME));
}
catch (ThreadInterruptedException)
{
}
}
}
if (!silent)
{
Output.InitialMessage("Connected to master after " + (connectAttemptCount * SLEEP_TIME) + " ms");
}
BinaryReader dataIn = null;
BinaryWriter dataOut = null;
try
{
Stream tmpIn = socket.GetStream();
Stream tmpOut = socket.GetStream();
if (useCompression)
{
//Output.InitialError("JDK 1.5 has broken compression. For now, you must set eval.compression=false");
//Environment.Exit(1); // This was originally part of the InitialError call in ECJ. But we make Slave responsible.
/*
* tmpIn = new CompressingInputStream(tmpIn);
* tmpOut = new CompressingOutputStream(tmpOut);
*/
tmpIn = Output.MakeCompressingInputStream(tmpIn);
tmpOut = Output.MakeCompressingOutputStream(tmpOut);
if (tmpIn == null || tmpOut == null)
{
var err = "You do not appear to have JZLib installed on your system, and so must set eval.compression=false. "
+ "To get JZLib, download from the ECJ website or from http://www.jcraft.com/jzlib/";
if (!silent)
{
Output.InitialMessage(err);
}
throw new OutputExitException(err);
}
}
dataIn = new BinaryReader(tmpIn);
dataOut = new BinaryWriter(tmpOut);
}
catch (IOException e)
{
var err = "Unable to open input stream from socket:\n" + e;
if (!silent)
{
Output.InitialMessage(err);
}
throw new OutputExitException(err);
}
// specify the slaveName
if (slaveName == null)
{
// BRS : TODO : Check equivalence of the address returned from .NET socket.Client.LocalEndPoint
slaveName = socket.Client.LocalEndPoint + "/" + (DateTime.Now.Ticks - 621355968000000000) / 10000;
if (!silent)
{
Output.InitialMessage("No slave name specified. Using: " + slaveName);
}
}
dataOut.Write(slaveName); // Default encoding of BinaryWriter is UTF-8
dataOut.Flush();
// 1. create the output
// store = parameters.GetBoolean(new Parameter(P_STORE), null, false);
if (output != null)
{
output.Close();
}
output = new Output(storeAnnouncementsInMemory: false) // do not store messages, just print them
{
ThrowsErrors = true // don't do System.exit(1)
};
// stdout is always log #0. stderr is always log #1.
// stderr accepts announcements, and both are fully verbose by default.
output.AddLog(Log.D_STDOUT, false);
output.AddLog(Log.D_STDERR, true);
if (silent)
{
output.GetLog(0).Silent = true;
output.GetLog(1).Silent = true;
}
if (!silent)
{
output.SystemMessage(ECVersion.Message());
}
// 2. set up thread values
int breedthreads = Evolve.DetermineThreads(output, parameters, new Parameter(Evolve.P_BREEDTHREADS));
int evalthreads = Evolve.DetermineThreads(output, parameters, new Parameter(Evolve.P_EVALTHREADS));
// Note that either breedthreads or evalthreads (or both) may be 'auto'. We don't warn about this because
// the user isn't providing the thread seeds.
// 3. create the Mersenne Twister random number generators, one per thread
var random = new IMersenneTwister[breedthreads > evalthreads ? breedthreads : evalthreads];
var seed = dataIn.ReadInt32();
for (var i = 0; i < random.Length; i++)
{
random[i] = Evolve.PrimeGenerator(new MersenneTwisterFast(seed++));
}
// we prime the generator to be more sure of randomness.
// 4. Set up the evolution state
// what evolution state to use?
state =
(IEvolutionState)
parameters.GetInstanceForParameter(new Parameter(Evolve.P_STATE), null, typeof(IEvolutionState));
state.Parameters = new ParameterDatabase();
state.Parameters.AddParent(parameters);
state.Random = random;
state.Output = output;
state.EvalThreads = evalthreads;
state.BreedThreads = breedthreads;
state.Setup(state, null);
state.Population = state.Initializer.SetupPopulation(state, 0);
// 5. Optionally do further loading
var storage = state.Evaluator.MasterProblem;
storage.ReceiveAdditionalData(state, dataIn);
storage.TransferAdditionalData(state);
try
{
while (true)
{
var newState = state;
if (RunEvolve)
{
// Construct and use a new EvolutionState. This will be inefficient the first time around
// as we've set up TWO EvolutionStates in a row with no good reason.
IParameterDatabase coverDatabase = new ParameterDatabase();
// protect the underlying one
coverDatabase.AddParent(state.Parameters);
newState = Evolve.Initialize(coverDatabase, 0);
newState.StartFresh();
newState.Output.Message("Replacing random number generators, ignore above seed message");
newState.Random = state.Random; // continue with RNG
storage.TransferAdditionalData(newState); // load the arbitrary data again
}
// 0 means to shut down
//Console.Error.WriteLine("reading next problem");
int problemType = dataIn.ReadByte();
//Console.Error.WriteLine("Read problem: " + problemType);
switch (problemType)
{
case (int)SlaveEvaluationType.Shutdown:
socket.Close();
if (OneShot)
{
return; // we're outa here
}
else
{
throw new OutputExitException("SHUTDOWN");
}
case (int)SlaveEvaluationType.Simple:
EvaluateSimpleProblem(newState, returnIndividuals, dataIn, dataOut, args);
break;
case (int)SlaveEvaluationType.Grouped:
EvaluateGroupedProblem(newState, returnIndividuals, dataIn, dataOut);
break;
default:
state.Output.Fatal("Unknown problem form specified: " + problemType);
break;
}
//System.err.PrintLn("Done Evaluating Individual");
}
}
catch (IOException e)
{
// Since an IOException can happen here if the peer closes the socket
// on it's end, we don't necessarily have to exit. Maybe we don't
// even need to print a warning, but we'll do so just to indicate
// something happened.
state.Output.Fatal(
"Unable to read type of evaluation from master. Maybe the master closed its socket and exited?:\n" +
e);
}
catch (Exception e)
{
if (state != null)
{
state.Output.Fatal(e.Message);
}
else if (!silent)
{
Console.Error.WriteLine("FATAL ERROR (EvolutionState not created yet): " + e.Message);
}
}
}
catch (OutputExitException e)
{
// here we restart if necessary
try { socket.Close(); } catch (Exception e2) { }
if (OneShot)
{
Environment.Exit(0);
}
}
catch (OutOfMemoryException e)
{
// Let's try fixing things
state = null;
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
GC.WaitForPendingFinalizers();
try { socket.Close(); } catch (Exception e2) { }
socket = null;
// TODO: Overkill? Track memory before and after.
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
GC.WaitForPendingFinalizers();
Console.Error.WriteLine(e);
if (OneShot)
{
Environment.Exit(0);
}
}
if (!silent)
{
Output.InitialMessage("\n\nResetting Slave");
}
}
}