private byte[] Generator2(Difficulty dif, Nullable <CancellationToken> cancelToken, IProgress <GenerateProgressArgs> progress)
{
byte[][] boards = new byte[5][];
int tryNum = 0;
GenerateProgressArgs args = new GenerateProgressArgs();
var genProg = new Progress <int>(value => args.Progress[0] = value);
IProgress <TryArgs> tryProg = new Progress <TryArgs>(value => { args.TryNum = value.TryNum; args.TryStatus = value.TryStatus; });
int tryTime = 5;
if ((int)dif > 56)
{
tryTime += ((int)dif % 56) * 2;
}
Timer reporter = new Timer((e) => progress?.Report(args), null, 0, 200);
while (true)
{
if (cancelToken != null ? cancelToken.Value.IsCancellationRequested : false)
{
reporter.Dispose();
return(null);
}
CancellationTokenSource tokenSource = new CancellationTokenSource();
var token = tokenSource.Token;
if (cancelToken != null)
{
Task.Factory.StartNew(() => { while (!cancelToken.Value.IsCancellationRequested)
{
;
}
tokenSource.Cancel(); }, token);
}
tryNum++;
Task <bool>[] taskes = new Task <bool> [5];
for (int i = 0; i < 5; i++)
{
taskes[i] = Task.Run(() => Gen3Async(dif, out boards[i], token, tryNum, genProg));
}
Task.Factory.StartNew(() => { Task.Delay(TimeSpan.FromSeconds(tryTime)); tokenSource.Cancel(); }, token);
var finishedIndex = Task.WaitAny(taskes);
tryProg.Report(new TryArgs(tryNum, taskes[finishedIndex].Result));
tokenSource.Cancel();
tokenSource.Dispose();
if (taskes[finishedIndex].Result)
{
reporter.Dispose();
progress?.Report(args);
return(boards[finishedIndex]);
}
}
}
private byte[] Generator(Difficulty dif, Nullable <CancellationToken> cancelToken, IProgress <GenerateProgressArgs> progress)
{
CancellationTokenSource tokenSource = new CancellationTokenSource();
var token = tokenSource.Token;
byte[] board1 = null;
byte[] board2 = null;
byte[] board3 = null;
byte[] board4 = null;
byte[] board5 = null;
bool finished1 = false;
bool finished2 = false;
bool finished3 = false;
bool finished4 = false;
bool finished5 = false;
DateTime priv = DateTime.Now;
DateTime now;
double dt = 0;
double time = 0;
double tikTime = 0;
int tryNum = 1;
GenerateProgressArgs args = new GenerateProgressArgs();
var genProg = new Progress <int>(value => args.Progress[1] = value);
var tryProg = new Progress <TryArgs>(value => { args.TryNum = value.TryNum; args.TryStatus = value.TryStatus; });
int tryTime = 5;
if ((int)dif > 56)
{
tryTime += ((int)dif % 56) * 2;
}
Task gen1 = new Task(() => finished1 = Gen2Async(dif, out board1, token, tryNum, genProg, tryProg));
Task gen2 = new Task(() => finished2 = Gen2Async(dif, out board2, token, tryNum, genProg, tryProg));
Task gen3 = new Task(() => finished3 = Gen2Async(dif, out board3, token, tryNum, genProg, tryProg));
Task gen4 = new Task(() => finished4 = Gen2Async(dif, out board4, token, tryNum, genProg, tryProg));
Task gen5 = new Task(() => finished5 = Gen2Async(dif, out board5, token, tryNum, genProg, tryProg));
gen1.Start();
gen2.Start();
gen3.Start();
gen4.Start();
gen5.Start();
while (!(finished1 || finished2 || finished3 || finished4 || finished5))
{
now = DateTime.Now;
dt = (now - priv).TotalSeconds;
priv = now;
time += dt;
tikTime += dt;
if (tikTime > 0.02)
{
progress?.Report(args);
tikTime = 0;
}
if (time > tryTime)
{
time = 0;
tokenSource.Cancel();
tokenSource.Dispose();
tokenSource = new CancellationTokenSource();
token = tokenSource.Token;
tryNum++;
gen1 = new Task(() => finished1 = Gen2Async(dif, out board1, token, tryNum, genProg, tryProg));
gen2 = new Task(() => finished2 = Gen2Async(dif, out board2, token, tryNum, genProg, tryProg));
gen3 = new Task(() => finished3 = Gen2Async(dif, out board3, token, tryNum, genProg, tryProg));
gen4 = new Task(() => finished4 = Gen2Async(dif, out board4, token, tryNum, genProg, tryProg));
gen5 = new Task(() => finished5 = Gen2Async(dif, out board5, token, tryNum, genProg, tryProg));
gen1.Start();
gen2.Start();
gen3.Start();
gen4.Start();
gen5.Start();
}
if (cancelToken != null ? cancelToken.Value.IsCancellationRequested : false)
{
tokenSource.Cancel();
tokenSource.Dispose();
return(null);
}
}
progress?.Report(args);
tokenSource.Cancel();
tokenSource.Dispose();
if (finished1)
{
return(board1);
}
if (finished2)
{
return(board2);
}
if (finished3)
{
return(board3);
}
if (finished4)
{
return(board4);
}
if (finished5)
{
return(board5);
}
return(null);
}
public Task <byte[]> GenerateAsync(int difficulty, int numParalalTrys, int tryPeriod, IProgress <GenerateProgressArgs> progress = null, IProgress <LegalBoardProgressArgs> legalBoardProgress = null, CancellationToken?token = null)
{
return(Task.Run(() =>
{
var finders = new Task <byte[]> [numParalalTrys];
var args = new GenerateProgressArgs(numParalalTrys);
for (int i = 0; i < args.ProgStats.Length; i++)
{
args.ProgStats[i] = new int[difficulty];
}
var legalBoardArgs = new LegalBoardProgressArgs(numParalalTrys);
var genProg = new Progress <int> [numParalalTrys];
var boardProg = new Progress <byte[]> [numParalalTrys];
var progStat = new Progress <ProgArg> [numParalalTrys];
var holder = new ProgressRefHolder[numParalalTrys];
for (int j = 0; j < genProg.Length; j++)
{
var an = new { number = j };
genProg[j] = new Progress <int>((value) =>
{
args.Progress[an.number] = legalBoardArgs.EmptyCells[an.number] = value;
legalBoardArgs.Legal[an.number] = false;
});
boardProg[j] = new Progress <byte[]>((value) =>
{
legalBoardArgs.Boards[an.number] = value;
legalBoardArgs.Legal[an.number] = true;
legalBoardProgress?.Report(legalBoardArgs);
});
progStat[j] = new Progress <ProgArg>((value) => {
args.ProgStats[an.number][value.Current] = value.AllReadyTryed;
});
holder[j] = new ProgressRefHolder()
{
BoardProgress = boardProg[j], CellProgress = genProg[j], ProgStats = progStat[j]
};
}
IProgress <TryArgs> tryProg = new Progress <TryArgs>(value => { args.TryNum = value.TryNum; args.TryStatus = value.TryStatus; });
var tryNumber = 0;
var tryArgs = new TryArgs(tryNumber, false);
using (var reporter = new Timer((e) => (e as IProgress <GenerateProgressArgs>)?.Report(args), progress, 0, 10))
{
while (true)
{
tryArgs.TryNum = ++tryNumber;
tryProg.Report(tryArgs);
using (var tokenSource = new CancellationTokenSource())
{
Timer checker = null;
if (token != null)
{
checker = new Timer((ts) => { if (token.Value.IsCancellationRequested)
{
((CancellationTokenSource)ts).Cancel(); token.Value.ThrowIfCancellationRequested();
}
}, tokenSource, 0, 1);
}
var token2 = tokenSource.Token;
Task <byte[]> resTask = null;
try
{
for (int i = 0; i < finders.Length; i++)
{
var an = new { number = i };
finders[i] = Task.Run(() =>
{
return GetLegalBoard2(difficulty,
holder[an.number].CellProgress,
holder[an.number].BoardProgress,
holder[an.number].ProgStats,
token2);
}, token2);
}
tokenSource.CancelAfter(TimeSpan.FromSeconds(tryPeriod));
resTask = Task.WhenAny(finders).Result;
}
catch (OperationCanceledException)
{
}
tokenSource.Cancel();
if (resTask.Status == TaskStatus.RanToCompletion)
{
tryArgs.TryStatus = true;
tryProg.Report(tryArgs);
progress?.Report(args);
checker?.Dispose();
return resTask.Result;
}
checker?.Dispose();
Debug.WriteLine($"Failed! Attempt: {tryNumber}.");
Debug.WriteLine($"Disposed Token.");
}
}
}
}, token.Value));
}
