private string MakeFinalFileName(int batchIndex, Batch batch, GeneratorParams parameters)
{
if (string.IsNullOrWhiteSpace(batch.FileNameFormat))
throw new ArgumentException("Invalid batch file name format.");
return batch.FileNameFormat
.Replace("{i}", batchIndex.ToString())
.Replace("{b}", parameters.BurstTimeMean.ToString())
.Replace("{p}", parameters.PriorityMean.ToString())
.Replace("{m}", parameters.MemoryMean.ToString());
}
public Batch CreateBatch(int randSeed, GeneratorParams parameters)
{
var rand = new Random(randSeed);
var processeDescs = new ProcessDesc[parameters.ProcessCount];
for (int j = 0; j < parameters.ProcessCount; j++)
{
processeDescs[j] = new ProcessDesc(
cpuBurstTime: Math.Max(0, rand.NextNormal(parameters.BurstTimeMean, parameters.BurstTimeStDev)),
delay: Math.Max(0, rand.Next(parameters.DelayMin, parameters.DelayMax)),
priority: Math.Max(0, rand.NextNormal(parameters.PriorityMean, parameters.PriorityStDev)),
memory: Math.Max(0, rand.NextNormal(parameters.MemoryMean, parameters.MemoryStDev)));
}
return new Batch(parameters.FileNameFormat, processeDescs);
}
public async Task<bool> TryGenerate(GeneratorParams parameters)
{
var batches = new Batch[parameters.BatchCount];
await Task.Run(() =>
{
Parallel.For(0, parameters.BatchCount, i =>
{
batches[i] = batchCreator.CreateBatch(i.GetHashCode(), parameters);
});
});
var batchesWithFileNames = batches.Select((batch, batchIndex) => new
{
Batch = batch,
FilePath = MakeFinalFileName(batchIndex, batch, parameters)
});
return (await Task.WhenAll(batchesWithFileNames.Select(async item => new
{
Result = await batchWriter.TryWriteBatchFile(item.FilePath, item.Batch),
Path = item.FilePath
}))).All(item => item.Result);
}
private bool TryParseInputs(out GeneratorParams parameters)
{
parameters = new GeneratorParams();
if (!float.TryParse(burstTimeMeanTextBox.Text, out parameters.BurstTimeMean))
{
MessageBox.Show("Invalid burst time mean value.", "Invalid Input", MessageBoxButtons.OK);
return false;
}
if (!float.TryParse(burstTimeStDevTextBox.Text, out parameters.BurstTimeStDev))
{
MessageBox.Show("Invalid burst time standard deviation value.", "Invalid Input", MessageBoxButtons.OK);
return false;
}
if (!int.TryParse(delayMinTextBox.Text, out parameters.DelayMin))
{
MessageBox.Show("Invalid delay min value.", "Invalid Input", MessageBoxButtons.OK);
return false;
}
if (!int.TryParse(delayMaxTextBox.Text, out parameters.DelayMax))
{
MessageBox.Show("Invalid delay max value.", "Invalid Input", MessageBoxButtons.OK);
return false;
}
if (parameters.DelayMin > parameters.DelayMax)
{
MessageBox.Show("Minimum delay must be less than or equal to maximum delay.", "Invalid Input", MessageBoxButtons.OK);
return false;
}
if (!float.TryParse(priorityMeanTextBox.Text, out parameters.PriorityMean))
{
MessageBox.Show("Invalid priority mean value.", "Invalid Input", MessageBoxButtons.OK);
return false;
}
if (!float.TryParse(priorityStDevTextBox.Text, out parameters.PriorityStDev))
{
MessageBox.Show("Invalid priority standard deviation value.", "Invalid Input", MessageBoxButtons.OK);
return false;
}
if (!float.TryParse(memoryMeanTextBox.Text, out parameters.MemoryMean))
{
MessageBox.Show("Invalid memory mean value.", "Invalid Input", MessageBoxButtons.OK);
return false;
}
if (!float.TryParse(memoryStDevTextBox.Text, out parameters.MemoryStDev))
{
MessageBox.Show("Invalid memory standard deviation value.", "Invalid Input", MessageBoxButtons.OK);
return false;
}
if (!float.TryParse(burstTimeMeanTextBox.Text, out parameters.BurstTimeMean))
{
MessageBox.Show("Invalid burst time mean value.", "Invalid Input", MessageBoxButtons.OK);
return false;
}
if (string.IsNullOrWhiteSpace(fileNameFormatTextBox.Text))
{
MessageBox.Show("Invalid file name format value.", "Invalid Input", MessageBoxButtons.OK);
return false;
}
parameters.FileNameFormat = fileNameFormatTextBox.Text;
if (!int.TryParse(processCountTextBox.Text, out parameters.ProcessCount))
{
MessageBox.Show("Invalid process per batch value.", "Invalid Input", MessageBoxButtons.OK);
return false;
}
if (!int.TryParse(batchCountTextBox.Text, out parameters.BatchCount))
{
MessageBox.Show("Invalid batch count value.", "Invalid Input", MessageBoxButtons.OK);
return false;
}
return true;
}