public Program()
{
mConfiguration = ProcessConfiguration();
mAppConfiguration = GetAppConfiguration(mConfiguration);
mConnectionString = mConfiguration.GetConnectionString(mAppConfiguration.ProducerConnectionStringName);
mAppSetup = new FileHasherAppSetup(mConnectionString);
}
private ISourceFileRepository GenerateFiles(FileHasherAppConfig appConfig)
{
Faker faker =
new Faker();
List <FileHandle> sourceFiles =
new List <FileHandle>();
string workingDirectory = GetMappedWorkingDirectory(appConfig);
if (!Directory.Exists(workingDirectory))
{
Directory.CreateDirectory(workingDirectory);
}
int fileCount = faker.GenerateFileCount(appConfig);
for (int i = 0; i < fileCount; i++)
{
Guid fileId = Guid.NewGuid();
string filePath = ComputeFilePath(workingDirectory, fileId);
byte[] fileContents = faker.GenerateFileContents(appConfig);
File.WriteAllBytes(filePath, fileContents);
FileHandle fileHandle = new FileHandle(fileId, filePath);
sourceFiles.Add(fileHandle);
}
return(new InMemorySourceFileRepository(sourceFiles));
}
public Task <ISourceFileRepository> GenerateSourceFilesAsync(FileHasherAppConfig appConfig)
{
if (appConfig == null)
{
throw new ArgumentNullException(nameof(appConfig));
}
return(Task.Run(() => GenerateFiles(appConfig)));
}
public Task CleanupSourceFilesAsync(FileHasherAppConfig appConfig)
{
if (appConfig == null)
{
throw new ArgumentNullException(nameof(appConfig));
}
return(Task.Run(() => CleanupSourceFiles(appConfig)));
}
private string GetMappedWorkingDirectory(FileHasherAppConfig appConfig)
{
string workingDirectory = CurrentDirectoryPlaceholder;
if (!string.IsNullOrWhiteSpace(appConfig.WorkingDirectory))
{
workingDirectory = appConfig.WorkingDirectory;
}
return(workingDirectory.Replace(CurrentDirectoryPlaceholder,
Directory.GetCurrentDirectory()));
}
public static int GenerateFileSizeBytes(this Faker faker, FileHasherAppConfig appConfig)
{
if (faker == null)
{
throw new ArgumentNullException(nameof(faker));
}
if (appConfig == null)
{
throw new ArgumentNullException(nameof(appConfig));
}
return(faker.Random.Int(
appConfig.FileSizeBytes.Min,
appConfig.FileSizeBytes.Max
));
}
public static byte[] GenerateFileContents(this Faker faker, FileHasherAppConfig appConfig)
{
if (faker == null)
{
throw new ArgumentNullException(nameof(faker));
}
if (appConfig == null)
{
throw new ArgumentNullException(nameof(appConfig));
}
int fileSizeBytes = faker
.GenerateFileSizeBytes(appConfig);
return(faker.Random
.Bytes(fileSizeBytes));
}
private void CleanupSourceFiles(FileHasherAppConfig appConfig)
{
string workingDirectory = GetMappedWorkingDirectory(appConfig);
if (!Directory.Exists(workingDirectory))
{
return;
}
string[] sourceFiles = Directory.GetFiles(workingDirectory, "*.dat");
if (sourceFiles != null && sourceFiles.Length > 0)
{
foreach (string sourceFile in sourceFiles)
{
File.Delete(sourceFile);
}
}
}