private StackView GetCPUStacks(Process process)
{
StackView stackView = null;
TraceProcess traceProcess = UnderlyingSource.Processes[(ProcessIndex)process.UniqueID];
if (traceProcess != null)
{
StackSource stackSource = UnderlyingSource.CPUStacks(traceProcess);
stackView = new StackView(traceProcess.Log, stackSource, SymbolReader);
}
return(stackView);
}
public void Prepare()
{
if (!Exists())
{
throw new InvalidOperationException($"Cannot prepare compressed source, underlying source \"{UnderlyingSource}\" does not exist.");
}
if (!_prepared)
{
UnderlyingSource.Prepare();
DirectoryInfo directoryInfo = new FileInfo(_localUnpackPath).Directory;
if (directoryInfo != null)
{
Directory.CreateDirectory(directoryInfo.FullName);
}
Stream sourceStream = UnderlyingSource.Retrieve();
ITaskObserver task = SigmaEnvironment.TaskManager.BeginTask(TaskType.Unpack, $"unpacking from {UnderlyingSource} to {_localUnpackPath}");
_logger.Info($"Unpacking source stream using unpacker {Unpacker} to local unpack path \"{_localUnpackPath}\"...");
Stream unpackedStream = Unpacker.Unpack(sourceStream);
FileStream decompressedFileStream = new FileStream(_localUnpackPath, FileMode.OpenOrCreate);
unpackedStream.CopyTo(decompressedFileStream); // TODO decompression doesn't work for certain files, see SharpZipLib
_logger.Info($"Done unpacking source stream using unpacker {Unpacker} to local unpack path \"{_localUnpackPath}\" (unpacked size {decompressedFileStream.Length / 1024L}kB).");
decompressedFileStream.Close();
SigmaEnvironment.TaskManager.EndTask(task);
_fileStream = new FileStream(_localUnpackPath, FileMode.Open);
_prepared = true;
}
}
public bool Exists()
{
return(UnderlyingSource.Exists());
}
public void Dispose()
{
UnderlyingSource.Dispose();
}
