mirror of
https://github.com/reactos/reactos.git
synced 2024-11-19 05:22:59 +00:00
806 lines
21 KiB
C++
806 lines
21 KiB
C++
#include "DriveVolume.h"
|
|
|
|
|
|
DriveVolume::DriveVolume ()
|
|
{
|
|
Handle = INVALID_HANDLE_VALUE;
|
|
BitmapDetail = NULL;
|
|
return;
|
|
}
|
|
|
|
|
|
DriveVolume::~DriveVolume ()
|
|
{
|
|
Close ();
|
|
Directories.clear ();
|
|
Files.clear ();
|
|
return;
|
|
}
|
|
|
|
|
|
void DriveVolume::Close (void)
|
|
{
|
|
if (Handle != INVALID_HANDLE_VALUE)
|
|
{
|
|
CloseHandle (Handle);
|
|
Handle = INVALID_HANDLE_VALUE;
|
|
}
|
|
|
|
if (BitmapDetail != NULL)
|
|
{
|
|
free (BitmapDetail);
|
|
BitmapDetail = NULL;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
// "Name" should be the drive letter followed by a colon. ie, "c:"
|
|
// It's a string to allow for further expansion (ie, defragging over the network?)
|
|
// or some other baloney reason
|
|
bool DriveVolume::Open (wstring Name)
|
|
{
|
|
wchar_t FileName[100];
|
|
bool ReturnVal;
|
|
|
|
swprintf (FileName, L"\\\\.\\%s", Name.c_str());
|
|
RootPath = Name.c_str();
|
|
RootPath += L"\\";
|
|
|
|
Handle = CreateFile
|
|
(
|
|
FileName,
|
|
MAXIMUM_ALLOWED, // access
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE, // share type
|
|
NULL, // security descriptor
|
|
OPEN_EXISTING, // open type
|
|
NULL, // attributes (none)
|
|
NULL // template
|
|
);
|
|
|
|
if (Handle == INVALID_HANDLE_VALUE)
|
|
ReturnVal = false;
|
|
else
|
|
{
|
|
wchar_t VolName[64];
|
|
DWORD VolSN;
|
|
DWORD VolMaxFileLen;
|
|
DWORD FSFlags;
|
|
wchar_t FSName[64];
|
|
BOOL Result;
|
|
|
|
ReturnVal = true;
|
|
Result = GetVolumeInformation
|
|
(
|
|
RootPath.c_str(),
|
|
VolName,
|
|
sizeof (VolName),
|
|
&VolSN,
|
|
&VolMaxFileLen,
|
|
&FSFlags,
|
|
FSName,
|
|
sizeof (FSName)
|
|
);
|
|
|
|
if (Result)
|
|
{
|
|
wchar_t SerialText[10];
|
|
|
|
VolInfo.FileSystem = FSName;
|
|
VolInfo.MaxNameLen = VolMaxFileLen;
|
|
VolInfo.Name = VolName;
|
|
|
|
swprintf (SerialText, L"%x-%x", (VolSN & 0xffff0000) >> 16,
|
|
VolSN & 0x0000ffff);
|
|
|
|
wcsupr (SerialText);
|
|
VolInfo.Serial = SerialText;
|
|
}
|
|
else
|
|
{
|
|
VolInfo.FileSystem = L"(Unknown)";
|
|
VolInfo.MaxNameLen = 255;
|
|
VolInfo.Name = L"(Unknown)";
|
|
VolInfo.Serial = L"(Unknown)";
|
|
}
|
|
}
|
|
|
|
return (ReturnVal);
|
|
}
|
|
|
|
|
|
bool DriveVolume::ObtainInfo (void)
|
|
{
|
|
BOOL Result;
|
|
DWORD BytesGot;
|
|
uint64 nan;
|
|
|
|
BytesGot = 0;
|
|
ZeroMemory (&Geometry, sizeof (Geometry));
|
|
Result = DeviceIoControl
|
|
(
|
|
Handle,
|
|
IOCTL_DISK_GET_DRIVE_GEOMETRY,
|
|
NULL,
|
|
0,
|
|
&Geometry,
|
|
sizeof (Geometry),
|
|
&BytesGot,
|
|
NULL
|
|
);
|
|
|
|
// Call failed? Aww :(
|
|
if (!Result)
|
|
return (false);
|
|
|
|
// Get cluster size
|
|
DWORD SectorsPerCluster;
|
|
DWORD BytesPerSector;
|
|
DWORD FreeClusters;
|
|
DWORD TotalClusters;
|
|
|
|
Result = GetDiskFreeSpace
|
|
(
|
|
RootPath.c_str(),
|
|
&SectorsPerCluster,
|
|
&BytesPerSector,
|
|
&FreeClusters,
|
|
&TotalClusters
|
|
);
|
|
|
|
// Failed? Weird.
|
|
if (!Result)
|
|
return (false);
|
|
|
|
VolInfo.ClusterSize = SectorsPerCluster * BytesPerSector;
|
|
|
|
Result = GetDiskFreeSpaceEx
|
|
(
|
|
RootPath.c_str(),
|
|
(PULARGE_INTEGER)&nan,
|
|
(PULARGE_INTEGER)&VolInfo.TotalBytes,
|
|
(PULARGE_INTEGER)&VolInfo.FreeBytes
|
|
);
|
|
|
|
return (true);
|
|
}
|
|
|
|
|
|
// Get bitmap, several clusters at a time ...
|
|
#define CLUSTERS 4096
|
|
bool DriveVolume::GetBitmap (void)
|
|
{
|
|
STARTING_LCN_INPUT_BUFFER StartingLCN;
|
|
VOLUME_BITMAP_BUFFER *Bitmap = NULL;
|
|
uint32 BitmapSize;
|
|
DWORD BytesReturned;
|
|
BOOL Result;
|
|
|
|
StartingLCN.StartingLcn.QuadPart = 0;
|
|
|
|
// Allocate buffer
|
|
// Call FSCTL_GET_VOLUME_BITMAP once with a very small buffer
|
|
// This will leave the total number of clusters in Bitmap->BitmapSize and we can
|
|
// then correctly allocate based off that
|
|
// I suppose this won't work if your drive has only 40 clusters on it or so :)
|
|
BitmapSize = sizeof (VOLUME_BITMAP_BUFFER) + 4;
|
|
Bitmap = (VOLUME_BITMAP_BUFFER *) malloc (BitmapSize);
|
|
|
|
Result = DeviceIoControl
|
|
(
|
|
Handle,
|
|
FSCTL_GET_VOLUME_BITMAP,
|
|
&StartingLCN,
|
|
sizeof (StartingLCN),
|
|
Bitmap,
|
|
BitmapSize,
|
|
&BytesReturned,
|
|
NULL
|
|
);
|
|
|
|
// Bad result?
|
|
if (Result == FALSE && GetLastError () != ERROR_MORE_DATA)
|
|
{
|
|
//wprintf ("\nDeviceIoControl returned false, GetLastError() was not ERROR_MORE_DATA\n");
|
|
free (Bitmap);
|
|
return (false);
|
|
}
|
|
|
|
// Otherwise, we're good
|
|
BitmapSize = sizeof (VOLUME_BITMAP_BUFFER) + (Bitmap->BitmapSize.QuadPart / 8) + 1;
|
|
Bitmap = (VOLUME_BITMAP_BUFFER *) realloc (Bitmap, BitmapSize);
|
|
Result = DeviceIoControl
|
|
(
|
|
Handle,
|
|
FSCTL_GET_VOLUME_BITMAP,
|
|
&StartingLCN,
|
|
sizeof (StartingLCN),
|
|
Bitmap,
|
|
BitmapSize,
|
|
&BytesReturned,
|
|
NULL
|
|
);
|
|
|
|
DWORD LastError = GetLastError ();
|
|
|
|
if (Result == FALSE)
|
|
{
|
|
wprintf (L"\nCouldn't properly read volume bitmap\n");
|
|
free (Bitmap);
|
|
return (false);
|
|
}
|
|
|
|
// Convert to a L'quick use' bitmap
|
|
//const int BitShift[] = { 1, 2, 4, 8, 16, 32, 64, 128 };
|
|
|
|
VolInfo.ClusterCount = Bitmap->BitmapSize.QuadPart;
|
|
|
|
if (BitmapDetail != NULL)
|
|
free (BitmapDetail);
|
|
|
|
BitmapDetail = (uint32 *) malloc (sizeof(uint32) * (1 + (VolInfo.ClusterCount / 32)));
|
|
memcpy (BitmapDetail, Bitmap->Buffer, sizeof(uint32) * (1 + (VolInfo.ClusterCount / 32)));
|
|
|
|
/*
|
|
BitmapDetail = (Cluster *) malloc (VolInfo.ClusterCount * sizeof (Cluster));
|
|
for (uint64 i = 0; i < VolInfo.ClusterCount; i++)
|
|
{
|
|
if (Bitmap->Buffer[i / 8] & BitShift[i % 8])
|
|
BitmapDetail[i].Allocated = true;
|
|
else
|
|
BitmapDetail[i].Allocated = false;
|
|
}
|
|
*/
|
|
|
|
free (Bitmap);
|
|
return (true);
|
|
}
|
|
|
|
|
|
bool DriveVolume::IsClusterUsed (uint64 Cluster)
|
|
{
|
|
return ((BitmapDetail[Cluster / 32] & (1 << (Cluster % 32))) ? true : false);
|
|
//return (BitmapDetail[Cluster].Allocated);
|
|
}
|
|
|
|
|
|
void DriveVolume::SetClusterUsed (uint64 Cluster, bool Used)
|
|
{
|
|
if (Used)
|
|
BitmapDetail[Cluster / 32] |= (1 << (Cluster % 32));
|
|
else
|
|
BitmapDetail[Cluster / 32] &= ~(1 << (Cluster % 32));
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
typedef struct
|
|
{
|
|
DriveVolume *Volume;
|
|
double *Percent;
|
|
bool *QuitMonitor;
|
|
uint64 ClusterCount;
|
|
uint64 ClusterProgress;
|
|
} BuildDBInfo;
|
|
|
|
|
|
bool DriveVolume::BuildFileList (bool &QuitMonitor, double &Percent)
|
|
{
|
|
BuildDBInfo Info;
|
|
|
|
Files.clear ();
|
|
Directories.clear ();
|
|
Directories.push_back (RootPath);
|
|
|
|
Info.Volume = this;
|
|
Info.QuitMonitor = &QuitMonitor;
|
|
Info.ClusterCount = (GetVolumeInfo().TotalBytes - GetVolumeInfo().FreeBytes) / (uint64)GetVolumeInfo().ClusterSize;
|
|
Info.ClusterProgress = 0;
|
|
Info.Percent = &Percent;
|
|
|
|
ScanDirectory (RootPath, BuildDBCallback, &Info);
|
|
|
|
if (QuitMonitor == true)
|
|
{
|
|
Directories.resize (0);
|
|
Files.resize (0);
|
|
}
|
|
|
|
return (true);
|
|
}
|
|
|
|
|
|
// UserData = pointer to BuildDBInfo instance
|
|
bool BuildDBCallback (FileInfo &Info, HANDLE &FileHandle, void *UserData)
|
|
{
|
|
BuildDBInfo *DBInfo = (BuildDBInfo *) UserData;
|
|
DriveVolume *Vol = DBInfo->Volume;
|
|
|
|
Vol->Files.push_back (Info);
|
|
|
|
if (*(DBInfo->QuitMonitor) == true)
|
|
return (false);
|
|
|
|
DBInfo->ClusterProgress += (uint64)Info.Clusters;
|
|
*(DBInfo->Percent) =
|
|
((double)DBInfo->ClusterProgress / (double)DBInfo->ClusterCount) * 100.0f;
|
|
|
|
return (true);
|
|
}
|
|
|
|
|
|
wstring &DriveVolume::GetDBDir (uint32 Indice)
|
|
{
|
|
return (Directories[Indice]);
|
|
}
|
|
|
|
|
|
uint32 DriveVolume::GetDBDirCount (void)
|
|
{
|
|
return (Directories.size());
|
|
}
|
|
|
|
|
|
FileInfo &DriveVolume::GetDBFile (uint32 Indice)
|
|
{
|
|
return (Files[Indice]);
|
|
}
|
|
|
|
|
|
uint32 DriveVolume::GetDBFileCount (void)
|
|
{
|
|
return (Files.size());
|
|
}
|
|
|
|
|
|
uint32 DriveVolume::RemoveDBFile (uint32 Indice)
|
|
{
|
|
vector<FileInfo>::iterator it;
|
|
|
|
it = Files.begin() + Indice;
|
|
Files.erase (it);
|
|
return (GetDBFileCount());
|
|
}
|
|
|
|
|
|
bool DriveVolume::ScanDirectory (wstring DirPrefix, ScanCallback Callback, void *UserData)
|
|
{
|
|
WIN32_FIND_DATA FindData;
|
|
HANDLE FindHandle;
|
|
wstring SearchString;
|
|
uint32 DirIndice;
|
|
|
|
DirIndice = Directories.size() - 1;
|
|
|
|
SearchString = DirPrefix;
|
|
SearchString += L"*.*";
|
|
ZeroMemory (&FindData, sizeof (FindData));
|
|
FindHandle = FindFirstFile (SearchString.c_str(), &FindData);
|
|
|
|
if (FindHandle == INVALID_HANDLE_VALUE)
|
|
return (false);
|
|
|
|
do
|
|
{
|
|
FileInfo Info;
|
|
HANDLE Handle;
|
|
bool CallbackResult;
|
|
|
|
Handle = INVALID_HANDLE_VALUE;
|
|
|
|
// First copy over the easy stuff.
|
|
Info.Name = FindData.cFileName;
|
|
|
|
// DonLL't ever include '.L' and '..'
|
|
if (Info.Name == L"." || Info.Name == L"..")
|
|
continue;
|
|
|
|
//Info.FullName = DirPrefix + Info.Name;
|
|
Info.Size = (uint64)FindData.nFileSizeLow + ((uint64)FindData.nFileSizeHigh << (uint64)32);
|
|
Info.DirIndice = DirIndice;
|
|
|
|
Info.Attributes.Archive = (FindData.dwFileAttributes & FILE_ATTRIBUTE_ARCHIVE) ? 1 : 0;
|
|
Info.Attributes.Compressed = (FindData.dwFileAttributes & FILE_ATTRIBUTE_COMPRESSED) ? 1 : 0;
|
|
Info.Attributes.Directory = (FindData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ? 1 : 0;
|
|
Info.Attributes.Encrypted = (FindData.dwFileAttributes & FILE_ATTRIBUTE_ENCRYPTED) ? 1 : 0;
|
|
Info.Attributes.Hidden = (FindData.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN) ? 1 : 0;
|
|
Info.Attributes.Normal = (FindData.dwFileAttributes & FILE_ATTRIBUTE_NORMAL) ? 1 : 0;
|
|
Info.Attributes.Offline = (FindData.dwFileAttributes & FILE_ATTRIBUTE_OFFLINE) ? 1 : 0;
|
|
Info.Attributes.ReadOnly = (FindData.dwFileAttributes & FILE_ATTRIBUTE_READONLY) ? 1 : 0;
|
|
Info.Attributes.Reparse = (FindData.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) ? 1 : 0;
|
|
Info.Attributes.Sparse = (FindData.dwFileAttributes & FILE_ATTRIBUTE_SPARSE_FILE) ? 1 : 0;
|
|
Info.Attributes.System = (FindData.dwFileAttributes & FILE_ATTRIBUTE_SYSTEM) ? 1 : 0;
|
|
Info.Attributes.Temporary = (FindData.dwFileAttributes & FILE_ATTRIBUTE_TEMPORARY) ? 1 : 0;
|
|
Info.Attributes.AccessDenied = 0;
|
|
Info.Attributes.Unmovable = 0;
|
|
Info.Attributes.Process = 1;
|
|
|
|
Info.Clusters = 0;
|
|
if (GetClusterInfo (Info, Handle))
|
|
{
|
|
uint64 TotalClusters = 0;
|
|
|
|
for (int i = 0; i < Info.Fragments.size(); i++)
|
|
{
|
|
TotalClusters += Info.Fragments[i].Length;
|
|
}
|
|
|
|
Info.Clusters = TotalClusters;
|
|
}
|
|
else
|
|
{
|
|
Info.Attributes.Unmovable = 1;
|
|
Info.Attributes.Process = 0;
|
|
}
|
|
|
|
if (Info.Attributes.Process == 1)
|
|
Info.Attributes.Process = ShouldProcess (Info.Attributes) ? 1 : 0;
|
|
|
|
// Run the user-defined callback function
|
|
CallbackResult = Callback (Info, Handle, UserData);
|
|
|
|
if (Handle != INVALID_HANDLE_VALUE)
|
|
CloseHandle (Handle);
|
|
|
|
if (!CallbackResult)
|
|
break;
|
|
|
|
// If directory, perform recursion
|
|
if (Info.Attributes.Directory == 1)
|
|
{
|
|
wstring Dir;
|
|
|
|
Dir = GetDBDir (Info.DirIndice);
|
|
Dir += Info.Name;
|
|
Dir += L"\\";
|
|
|
|
Directories.push_back (Dir);
|
|
ScanDirectory (Dir, Callback, UserData);
|
|
}
|
|
|
|
} while (FindNextFile (FindHandle, &FindData) == TRUE);
|
|
|
|
FindClose (FindHandle);
|
|
return (false);
|
|
}
|
|
|
|
|
|
bool DriveVolume::ShouldProcess (FileAttr Attr)
|
|
{
|
|
if (Attr.Offline == 1 || Attr.Reparse == 1 || Attr.Temporary == 1)
|
|
{
|
|
return (false);
|
|
}
|
|
|
|
return (true);
|
|
}
|
|
|
|
|
|
// Gets info on a file and returns a valid handle for read/write access
|
|
// Name, FullName, Clusters, Attributes, and Size should already be filled out.
|
|
// This function fills in the Fragments vector
|
|
bool DriveVolume::GetClusterInfo (FileInfo &Info, HANDLE &HandleResult)
|
|
{
|
|
BOOL Result;
|
|
HANDLE Handle;
|
|
wstring FullName;
|
|
BY_HANDLE_FILE_INFORMATION FileInfo;
|
|
|
|
Info.Fragments.resize (0);
|
|
|
|
/*
|
|
if (Info.Attributes.Directory == 1)
|
|
return (false);
|
|
*/
|
|
|
|
FullName = GetDBDir (Info.DirIndice) + Info.Name;
|
|
|
|
Handle = CreateFile
|
|
(
|
|
FullName.c_str(),
|
|
0, //GENERIC_READ,
|
|
FILE_SHARE_READ,
|
|
NULL,
|
|
OPEN_EXISTING,
|
|
(Info.Attributes.Directory == 1) ? FILE_FLAG_BACKUP_SEMANTICS : 0,
|
|
NULL
|
|
);
|
|
|
|
if (Handle == INVALID_HANDLE_VALUE)
|
|
{
|
|
LPVOID lpMsgBuf;
|
|
|
|
FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
|
|
NULL, GetLastError(),
|
|
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
|
|
(LPTSTR) &lpMsgBuf, 0, NULL );
|
|
|
|
|
|
Info.Attributes.AccessDenied = 1;
|
|
LocalFree( lpMsgBuf );
|
|
return (false);
|
|
}
|
|
|
|
ZeroMemory (&FileInfo, sizeof (FileInfo));
|
|
Result = GetFileInformationByHandle (Handle, &FileInfo);
|
|
|
|
if (Result == FALSE)
|
|
{
|
|
Info.Attributes.AccessDenied = 1;
|
|
wprintf (L"GetFileInformationByHandle ('%s%s') failed\n", GetDBDir (Info.DirIndice).c_str(),
|
|
Info.Name.c_str());
|
|
|
|
CloseHandle (Handle);
|
|
return (false);
|
|
}
|
|
|
|
// Get cluster allocation information
|
|
STARTING_VCN_INPUT_BUFFER StartingVCN;
|
|
RETRIEVAL_POINTERS_BUFFER *Retrieval;
|
|
uint64 RetSize;
|
|
uint64 Extents;
|
|
DWORD BytesReturned;
|
|
|
|
// Grab info one extent at a time, until it's done grabbing all the extent data
|
|
// Yeah, well it doesn't give us a way to ask L"how many extents?" that I know of ...
|
|
// btw, the Extents variable tends to only reflect memory usage, so when we have
|
|
// all the extents we look at the structure Win32 gives us for the REAL count!
|
|
Extents = 10;
|
|
Retrieval = NULL;
|
|
RetSize = 0;
|
|
StartingVCN.StartingVcn.QuadPart = 0;
|
|
|
|
do
|
|
{
|
|
Extents *= 2;
|
|
RetSize = sizeof (RETRIEVAL_POINTERS_BUFFER) + ((Extents - 1) * sizeof (LARGE_INTEGER) * 2);
|
|
|
|
if (Retrieval != NULL)
|
|
Retrieval = (RETRIEVAL_POINTERS_BUFFER *) realloc (Retrieval, RetSize);
|
|
else
|
|
Retrieval = (RETRIEVAL_POINTERS_BUFFER *) malloc (RetSize);
|
|
|
|
Result = DeviceIoControl
|
|
(
|
|
Handle,
|
|
FSCTL_GET_RETRIEVAL_POINTERS,
|
|
&StartingVCN,
|
|
sizeof (StartingVCN),
|
|
Retrieval,
|
|
RetSize,
|
|
&BytesReturned,
|
|
NULL
|
|
);
|
|
|
|
if (Result == FALSE)
|
|
{
|
|
if (GetLastError() != ERROR_MORE_DATA)
|
|
{
|
|
Info.Clusters = 0;
|
|
Info.Attributes.AccessDenied = 1;
|
|
Info.Attributes.Process = 0;
|
|
Info.Fragments.clear ();
|
|
CloseHandle (Handle);
|
|
free (Retrieval);
|
|
|
|
return (false);
|
|
}
|
|
|
|
Extents++;
|
|
}
|
|
} while (Result == FALSE);
|
|
|
|
// Readjust extents, as it only reflects how much memory was allocated and may not
|
|
// be accurate
|
|
Extents = Retrieval->ExtentCount;
|
|
|
|
// Ok, we have the info. Now translate it. hrmrmr
|
|
int i;
|
|
Info.Fragments.clear ();
|
|
for (i = 0; i < Extents; i++)
|
|
{
|
|
Extent Add;
|
|
|
|
Add.StartLCN = Retrieval->Extents[i].Lcn.QuadPart;
|
|
if (i != 0)
|
|
Add.Length = Retrieval->Extents[i].NextVcn.QuadPart - Retrieval->Extents[i - 1].NextVcn.QuadPart;
|
|
else
|
|
Add.Length = Retrieval->Extents[i].NextVcn.QuadPart - Retrieval->StartingVcn.QuadPart;
|
|
|
|
Info.Fragments.push_back (Add);
|
|
}
|
|
|
|
free (Retrieval);
|
|
HandleResult = Handle;
|
|
return (true);
|
|
}
|
|
|
|
|
|
bool DriveVolume::FindFreeRange (uint64 StartLCN, uint64 ReqLength, uint64 &LCNResult)
|
|
{
|
|
uint64 Max;
|
|
uint64 i;
|
|
uint64 j;
|
|
|
|
// Make sure we don't spill over our array
|
|
Max = VolInfo.ClusterCount - ReqLength;
|
|
|
|
for (i = StartLCN; i < Max; i++)
|
|
{
|
|
bool Found = true;
|
|
|
|
// First check the first cluster
|
|
if (IsClusterUsed (i))
|
|
Found = false;
|
|
else
|
|
// THen check the last cluster
|
|
if (IsClusterUsed (i + ReqLength - 1))
|
|
Found = false;
|
|
else
|
|
// Check the whole darn range.
|
|
for (j = (i + 1); j < (i + ReqLength - 2); j++)
|
|
{
|
|
if (IsClusterUsed (j) == true)
|
|
{
|
|
Found = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!Found)
|
|
continue;
|
|
else
|
|
{
|
|
LCNResult = i;
|
|
return (true);
|
|
}
|
|
}
|
|
|
|
return (false);
|
|
}
|
|
|
|
|
|
// btw we have to move each fragment of the file, as per the Win32 API
|
|
bool DriveVolume::MoveFileDumb (uint32 FileIndice, uint64 NewLCN)
|
|
{
|
|
bool ReturnVal = false;
|
|
FileInfo Info;
|
|
HANDLE FileHandle;
|
|
wstring FullName;
|
|
MOVE_FILE_DATA MoveData;
|
|
uint64 CurrentLCN;
|
|
uint64 CurrentVCN;
|
|
|
|
// Set up variables
|
|
Info = GetDBFile (FileIndice);
|
|
FullName = GetDBDir (Info.DirIndice);
|
|
FullName += Info.Name;
|
|
CurrentLCN = NewLCN;
|
|
CurrentVCN = 0;
|
|
|
|
/*
|
|
if (Info.Attributes.Directory == 1)
|
|
{
|
|
//
|
|
}
|
|
*/
|
|
|
|
// Open file
|
|
FileHandle = CreateFile
|
|
(
|
|
FullName.c_str (),
|
|
GENERIC_READ,
|
|
FILE_SHARE_READ,
|
|
NULL,
|
|
OPEN_EXISTING,
|
|
(Info.Attributes.Directory == 1) ? FILE_FLAG_BACKUP_SEMANTICS : 0,
|
|
NULL
|
|
);
|
|
|
|
if (FileHandle == INVALID_HANDLE_VALUE)
|
|
{
|
|
//
|
|
LPVOID lpMsgBuf;
|
|
|
|
FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
|
|
NULL, GetLastError(),
|
|
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
|
|
(LPTSTR) &lpMsgBuf, 0, NULL );
|
|
|
|
|
|
LocalFree (lpMsgBuf);
|
|
//
|
|
|
|
ReturnVal = false;
|
|
}
|
|
else
|
|
{
|
|
ReturnVal = true; // innocent until proven guilty ...
|
|
|
|
for (uint32 i = 0; i < Info.Fragments.size(); i++)
|
|
{
|
|
BOOL Result;
|
|
DWORD BytesReturned;
|
|
|
|
//wprintf (L"%3u", i);
|
|
|
|
MoveData.ClusterCount = Info.Fragments[i].Length;
|
|
MoveData.StartingLcn.QuadPart = CurrentLCN;
|
|
MoveData.StartingVcn.QuadPart = CurrentVCN;
|
|
|
|
MoveData.FileHandle = FileHandle;
|
|
|
|
/*
|
|
wprintf (L"\n");
|
|
wprintf (L"StartLCN: %I64u\n", MoveData.StartingLcn.QuadPart);
|
|
wprintf (L"StartVCN: %I64u\n", MoveData.StartingVcn.QuadPart);
|
|
wprintf (L"Clusters: %u (%I64u-%I64u --> %I64u-%I64u)\n", MoveData.ClusterCount,
|
|
Info.Fragments[i].StartLCN,
|
|
Info.Fragments[i].StartLCN + MoveData.ClusterCount,
|
|
MoveData.StartingLcn.QuadPart,
|
|
MoveData.StartingLcn.QuadPart + MoveData.ClusterCount - 1);
|
|
wprintf (L"\n");
|
|
*/
|
|
|
|
Result = DeviceIoControl
|
|
(
|
|
Handle,
|
|
FSCTL_MOVE_FILE,
|
|
&MoveData,
|
|
sizeof (MoveData),
|
|
NULL,
|
|
0,
|
|
&BytesReturned,
|
|
NULL
|
|
);
|
|
|
|
//wprintf (L"\b\b\b");
|
|
|
|
if (Result == FALSE)
|
|
{
|
|
//
|
|
LPVOID lpMsgBuf;
|
|
|
|
FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
|
|
NULL, GetLastError(),
|
|
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
|
|
(LPTSTR) &lpMsgBuf, 0, NULL );
|
|
|
|
|
|
LocalFree( lpMsgBuf );
|
|
//
|
|
|
|
ReturnVal = false;
|
|
goto FinishUp; // yeah, bite me
|
|
}
|
|
|
|
// Ok good. Now update our drive bitmap and file infos.
|
|
uint64 j;
|
|
for (j = 0;
|
|
j < Info.Fragments[i].Length;
|
|
j++)
|
|
{
|
|
SetClusterUsed (Info.Fragments[i].StartLCN + j, false);
|
|
SetClusterUsed (CurrentLCN + j, true);
|
|
//BitmapDetail[Info.Fragments[i].StartLCN + j].Allocated = false;
|
|
//BitmapDetail[CurrentLCN + j].Allocated = true;
|
|
}
|
|
|
|
CurrentLCN += Info.Fragments[i].Length;
|
|
CurrentVCN += Info.Fragments[i].Length;
|
|
}
|
|
|
|
// Update file info either way
|
|
FinishUp:
|
|
CloseHandle (FileHandle);
|
|
FileHandle = INVALID_HANDLE_VALUE;
|
|
GetClusterInfo (Files[FileIndice], FileHandle);
|
|
CloseHandle (FileHandle);
|
|
}
|
|
|
|
return (ReturnVal);
|
|
}
|
|
|
|
|