public void ActualVsLegacy(string sampleFileName)
{
var sampleFolder = new DirectoryInfo("Samples");
var sampleFile = new FileInfo(Path.Combine(sampleFolder.FullName, sampleFileName));
using FileStream sampleStream = sampleFile.OpenRead();
using SampleReader sampleReader = new SampleReader(sampleStream);
var legacyDataReader = new LegacyForzaDataReader();
var actualDataReader = new ForzaDataReader();
var sledFields = typeof(ForzaSledDataStruct).GetFields();
var carDashFields = typeof(ForzaCarDashDataStruct).GetFields();
// iterate every chunk
while (sampleReader.TryRead(out SampleStruct chunk))
{
// read chunk with old and new readers
var expectedForzaData = legacyDataReader.Read(chunk.Data);
var actualForzaData = actualDataReader.Read(chunk.Data);
// comparing read version
Assert.AreEqual(
expectedForzaData.Version,
actualForzaData.Version,
$"{nameof(ForzaDataStruct.Version)} comparison failed at chunk Elapsed = {chunk.Elapsed}"
);
// comparing each sled field
foreach (var sledField in sledFields)
{
Assert.AreEqual(
sledField.GetValue(expectedForzaData.Sled),
sledField.GetValue(actualForzaData.Sled),
$"{sledField.Name} comparison failed at chunk Elapsed = {chunk.Elapsed}"
);
}
// comparing each car dash field
foreach (var carDashField in carDashFields)
{
Assert.AreEqual(
carDashField.GetValue(expectedForzaData.CarDash),
carDashField.GetValue(actualForzaData.CarDash),
$"{carDashField.Name} comparison failed at chunk Elapsed = {chunk.Elapsed}"
);
}
//Trace.WriteLine($"Chunk #{chunk.Elapsed}/byte {sampleStream.Position}: success");
}
}
static void Main(string[] args)
{
try
{
_args = PowArgs.Parser <Arguments> .Parse(args);
}
catch (Exception ex)
{
Console.Error.WriteLine(ex.Message);
ShowHelp();
Exit(ExitCodes.ArgsError);
return;
}
if (_args.Help)
{
ShowHelp();
Exit(ExitCodes.Help);
return;
}
else if (_args.UseTimestamp == _args.UseStaticFrequency)
{
Console.Error.WriteLine("You must specify which fix to use: timestamp OR frequency");
ShowHelp();
Exit(ExitCodes.ArgsError);
return;
}
var inputFile = new FileInfo(_args.Input);
var outputFile = new FileInfo(_args.Output);
string typeOfFix = _args.UseTimestamp
? "timestamp"
: _args.UseStaticFrequency
? "fixed frequency"
: "unknown";
// input file existence
if (!inputFile.Exists)
{
Console.Error.WriteLine($"Input file {inputFile.Name} is not found or its access is denied");
Exit(ExitCodes.InputError);
return;
}
// output directory creation
if (!outputFile.Directory.Exists)
{
outputFile.Directory.Create();
}
Console.Out.WriteLine($"Input: {inputFile.Name}");
Console.Out.WriteLine($"Output: {outputFile.Name}");
Console.Out.WriteLine($"Fix: {typeOfFix}");
// input read
using (FileStream input = new FileStream(inputFile.FullName, FileMode.Open, FileAccess.Read))
using (FileStream output = new FileStream(outputFile.FullName, FileMode.Create, FileAccess.Write))
using (SampleReader reader = new SampleReader(input))
using (SampleWriter writer = new SampleWriter(output))
{
ForzaDataReader dataReader = new ForzaDataReader();
ForzaDataStruct?firstForzaData = null;
ForzaDataStruct?prevForzaData = null;
int chunkIndex;
// iterate every chunk
for (chunkIndex = 0; reader.TryRead(out SampleStruct chunk); chunkIndex++)
{
// decode forza data structure
ForzaDataStruct forzaData = dataReader.Read(chunk.Data);
if (!firstForzaData.HasValue)
{
firstForzaData = forzaData;
}
// if timestamps are used, validate them
if (_args.UseTimestamp)
{
// non increasing timestamps
if (prevForzaData?.Sled.TimestampMS > forzaData.Sled.TimestampMS)
{
if (_args.IgnoreInvalidChunks)
{
Console.Out.WriteLine($"Ignoring chunk #{chunkIndex}, {chunk.Length} bytes (non increasing timestamp)");
continue;
}
else
{
Console.Error.WriteLine($"Non increasing timestamp at chunk #{chunkIndex}, {chunk.Length} bytes");
Exit(ExitCodes.NonIncreasingTimestamps);
break;
}
}
// fixing elapsed ticks from previous chunk timestamp diff
uint elapsedMilliseconds = forzaData.Sled.TimestampMS - firstForzaData.Value.Sled.TimestampMS;
chunk.Elapsed = TimeSpan.FromMilliseconds(elapsedMilliseconds).Ticks;
}
else if (_args.UseStaticFrequency)
{
// fixing elapsed ticks with static chunk time
uint elapsedMilliseconds = (uint)Math.Round(
chunkIndex * ChunkTime,
MidpointRounding.AwayFromZero
);
chunk.Elapsed = TimeSpan.FromMilliseconds(elapsedMilliseconds).Ticks;
}
// fixed chunk written to output
writer.Write(chunk);
prevForzaData = forzaData;
}
// warning if not on end of stream
if (!reader.EndOfStream)
{
Console.Error.WriteLine($"Can't decode more chunks, the rest of the source is ignored");
}
writer.Flush();
outputFile.Refresh();
// final result
Console.Out.WriteLine($"Chunks: {reader.Reads} read, {writer.Writes} written (diff: {writer.Writes - reader.Reads})");
Console.Out.WriteLine($"Size: {inputFile.Length} bytes on input, {outputFile.Length} bytes on output, (diff: {outputFile.Length - inputFile.Length})");
}
Exit(ExitCodes.OK);
}
