/// <summary>
/// Common constructor for any type of operation.
/// </summary>
/// <param name="parameters"><see cref="GZipTestParameters"/>.</param>
protected GZipTestService(GZipTestParameters parameters)
{
_parameters = parameters;
_flags = new ManualResetEvent[parameters.ProcessingThreadCount];
_dataService = new DataBlockQueuesService(parameters.QueueItemsLimit);
}
/// <summary>
/// Creating service with valid paramters object.
/// </summary>
/// <param name="parameters"><see cref="GZipTestParameters"/>.</param>
public static GZipTestService Factory(GZipTestParameters parameters)
{
if (parameters == null)
{
throw new ArgumentNullException("Parameters is null.");
}
switch (parameters.Operation)
{
case GZipTestOperation.Compress:
return(new CompressionService(parameters));
case GZipTestOperation.Decompress:
return(new DecompressionService(parameters));
default:
throw new InvalidOperationException($"Operation {parameters.Operation.ToString()} is not supported");
}
}
/// <summary>
/// Application start point.
/// </summary>
/// <param name="args"></param>
public static int Main(string[] args)
{
try
{
_logger.Info("Application started with parameters {args}", args);
Stopwatch stop_watch = new Stopwatch();
stop_watch.Start();
var parameters = new GZipTestParameters(args);
var service = GZipTestService.Factory(parameters);
service.Run();
stop_watch.Stop();
_logger.Info($"Completed at {stop_watch.Elapsed.TotalSeconds} seconds.");
return(0);
}
catch (OutOfMemoryException oom_ex)
{
_logger.Error(oom_ex, "Insufficient RAM, close some memory consuming applications and try again");
return(1);
}
catch (IOException io_ex)
{
_logger.Error(io_ex, "Disc operation failed, check original file availability, disc space and file paths");
return(1);
}
catch (Exception ex)
{
_logger.Error(ex);
return(1);
}
}
/// <summary>
/// <see cref="GZipTestService.GZipTestService(GZipTestParameters)"/>
/// </summary>
/// <param name="parameters"><see cref="GZipTestParameters"/></param>
public DecompressionService(GZipTestParameters parameters) : base(parameters)
{
}