public void Explode(string dir, bool decompGZ, ExplodeProgressCallback epc)
{
explodeEvents[(int)ExplodeEvents.NotRunning].Reset();
Directory.CreateDirectory(decompGZ ? Path.Combine(dir, VolFile.DecompDir) : dir);
outstandingRequests.Capacity = embeddedFiles.Count;
int minNumThread, minNumCompThread;
// we can handle more threads since we're mainly IO bound
ThreadPool.GetMinThreads(out minNumThread, out minNumCompThread);
ThreadPool.SetMinThreads(minNumThread * 2, minNumCompThread);
foreach (EmbeddedFileInfo efi in embeddedFiles)
{
if (efi.fileAddress == 0)
{
string dirName = Path.Combine(dir, efi.name);
if (decompGZ)
{
dirName += Path.DirectorySeparatorChar + VolFile.DecompDir;
}
DirectoryInfo di = Directory.CreateDirectory(dirName);
DateTime dirDate = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc).AddSeconds(efi.dateTime);
di.LastAccessTime = di.LastWriteTime = di.CreationTime = dirDate;
//Directory.SetCreationTime(dirName, dirDate);
//Directory.SetLastWriteTime(dirName, dirDate);
//Directory.SetLastAccessTime(dirName, dirDate);
}
else if (!explodeEvents[(int)ExplodeEvents.Stop].WaitOne(0))
{
ExtractSingleFile(efi, dir, decompGZ, false, epc);
}
else
{
break;
}
}
ThreadPool.SetMinThreads(minNumThread, minNumCompThread);
explodeEvents[(int)ExplodeEvents.NotRunning].Set();
}
public WorkUnit(
string dir,
EmbeddedFileInfo efiParam,
VolFile volFile,
bool decompGZ,
ManualResetEvent compEvent,
ExplodeProgressCallback epc
)
{
efi = efiParam;
destFile = new FileStream(
Path.Combine(dir, efi.name),
FileMode.Create,
FileAccess.ReadWrite,
FileShare.None,
8192,
false
);
fileVolAddress = volFile.volMappingAddrAsNum + efi.fileAddress;
shouldDecompAfter = (decompGZ && efi.name.EndsWith(".gz"));
finishedHandle = compEvent;
callback = epc;
}
private void ExtractSingleFile(EmbeddedFileInfo efi, string dir, bool decompGZ, bool waitForCompletion, ExplodeProgressCallback epc)
{
ManualResetEvent finEvent = new ManualResetEvent(false);
if (!waitForCompletion)
{
outstandingRequests.Add(finEvent);
}
WorkUnit unit = new WorkUnit(dir, efi, this, decompGZ, finEvent, epc);
if (!ThreadPool.QueueUserWorkItem(new WaitCallback(ExtractCallback), unit))
{
throw new ThreadInterruptedException("No Threadpool Threads");
}
if (waitForCompletion)
{
finEvent.WaitOne();
finEvent.Close();
}
}
