private static async Task <FileObject> PerformOneIterationOfPhaseTwoAsync(
AnalysisIterationContextPhaseTwo iterationContext)
{
iterationContext.ThrowIfNull(nameof(iterationContext));
_logger.Info("Preparing to run one iteration of phase two.");
var fileDeleter = new FileDeleter(iterationContext.FinalOutputFile);
// Contract: the analysis program is located in the same directory as our app.
var processLaunchContext = ProcessLaunchContext.Create(
file: iterationContext.Args.AnalysisProgramName,
args: iterationContext.AnalysisInputArgs,
showWindow: iterationContext.LaunchContext.ShowAnalysisWindow
);
_logger.Info(
$"Starting analysis program. Launch context: {processLaunchContext.ToLogString()}"
);
using (var analysisRunner = ProgramRunner.RunProgram(processLaunchContext))
{
_logger.Info("Waiting to finish one iteration of phase two.");
await analysisRunner.WaitAsync();
}
DataObject <OutputFileData> data =
iterationContext.FileWorker.ReadDataFile(iterationContext.FinalOutputFile);
_logger.Info("Finished one iteration of phase two.");
return(new FileObject(fileDeleter, data));
}
public async static Task PerformFullAnalysisForPhaseTwoAsync(ParametersPack args,
AnalysisLaunchContext launchContext, LocalFileWorker fileWorker,
Func <FileObject, Task> asyncCallback)
{
args.ThrowIfNull(nameof(args));
launchContext.ThrowIfNull(nameof(launchContext));
fileWorker.ThrowIfNull(nameof(fileWorker));
asyncCallback.ThrowIfNull(nameof(asyncCallback));
_logger.Info("Preparing to run full analysis for phase two.");
// Contract: output files are located in the same directory as our app.
IReadOnlyList <FileInfo> finalOutputFiles = args.GetOutputFilenames(phaseNumber: 2);
using var fileDeleter = new FileDeleter(finalOutputFiles);
IReadOnlyList <string> analysisInputArgsCollection =
args.CollectionPackAsInputArgumentsForPhaseTwo();
var limitedScheduler =
new LimitedConcurrencyLevelTaskScheduler(launchContext.MaxDegreeOfParallelism);
var processingTasks = new List <Task <FileObject> >(analysisInputArgsCollection.Count);
// The last is common analysis data file.
// We don't need to read/use the last one.
for (int index = 0; index < analysisInputArgsCollection.Count; ++index)
{
var iterationContext = new AnalysisIterationContextPhaseTwo(
args: args,
launchContext: launchContext,
fileWorker: fileWorker,
analysisInputArgs: analysisInputArgsCollection[index],
finalOutputFile: finalOutputFiles[index]
);
Task <FileObject> processingTask = TaskHelper.StartNew(
() => PerformOneIterationOfPhaseTwoAsync(iterationContext),
limitedScheduler
);
processingTasks.Add(processingTask);
}
await Task.WhenAll(
processingTasks.Select(task => AwaitAndProcessAsync(task, asyncCallback))
);
}
