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https://github.com/reactos/reactos.git
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649 lines
22 KiB
C
649 lines
22 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS FS utility tool
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* FILE: base/applications/cmdutils/fsinfo.c
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* PURPOSE: FSutil file systems information
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* PROGRAMMERS: Pierre Schweitzer <pierre@reactos.org>
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*/
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#include "fsutil.h"
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/* Add handlers here for subcommands */
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static HandlerProc DrivesMain;
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static HandlerProc DriveTypeMain;
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static HandlerProc VolumeInfoMain;
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static HandlerProc NtfsInfoMain;
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static HandlerProc StatisticsMain;
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static HandlerItem HandlersList[] =
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{
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/* Proc, name, help */
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{ DrivesMain, _T("drives"), _T("Enumerates the drives") },
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{ DriveTypeMain, _T("drivetype"), _T("Provides the type of a drive") },
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{ VolumeInfoMain, _T("volumeinfo"), _T("Provides informations about a volume") },
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{ NtfsInfoMain, _T("ntfsinfo"), _T("Displays informations about a NTFS volume") },
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{ StatisticsMain, _T("statistics"), _T("Displays volume statistics") },
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};
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static int
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DrivesMain(int argc, const TCHAR *argv[])
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{
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UINT i;
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DWORD Drives;
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/* Get the drives bitmap */
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Drives = GetLogicalDrives();
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if (Drives == 0)
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{
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PrintErrorMessage(GetLastError());
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return 1;
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}
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/* And output any found drive */
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_ftprintf(stdout, _T("Drives:"));
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for (i = 0; i < 26; i++)
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{
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if (Drives & (1 << i))
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{
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_ftprintf(stdout, _T(" %c:\\"), 'A' + i);
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}
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}
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_ftprintf(stdout, _T("\n"));
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return 0;
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}
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static int
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DriveTypeMain(int argc, const TCHAR *argv[])
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{
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UINT Type;
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/* We need a volume (letter) */
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if (argc < 2)
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{
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_ftprintf(stderr, _T("Usage: fsutil fsinfo drivetype <volume>\n"));
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_ftprintf(stderr, _T("\tFor example: fsutil fsinfo drivetype c:\n"));
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return 1;
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}
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/* Get its drive type and make it readable */
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Type = GetDriveType(argv[1]);
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switch (Type)
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{
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case DRIVE_UNKNOWN:
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_ftprintf(stdout, _T("%s - unknown drive type\n"), argv[1]);
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break;
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case DRIVE_NO_ROOT_DIR:
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_ftprintf(stdout, _T("%s - not a root directory\n"), argv[1]);
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break;
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case DRIVE_REMOVABLE:
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_ftprintf(stdout, _T("%s - removable drive\n"), argv[1]);
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break;
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case DRIVE_FIXED:
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_ftprintf(stdout, _T("%s - fixed drive\n"), argv[1]);
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break;
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case DRIVE_REMOTE:
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_ftprintf(stdout, _T("%s - remote or network drive\n"), argv[1]);
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break;
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case DRIVE_CDROM:
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_ftprintf(stdout, _T("%s - CD-ROM drive\n"), argv[1]);
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break;
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case DRIVE_RAMDISK:
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_ftprintf(stdout, _T("%s - RAM disk drive\n"), argv[1]);
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break;
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}
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return 0;
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}
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static int
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VolumeInfoMain(int argc, const TCHAR *argv[])
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{
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DWORD Serial, MaxComponentLen, Flags;
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TCHAR VolumeName[MAX_PATH + 1], FileSystem[MAX_PATH + 1];
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#define HANDLE_FLAG(Flags, Flag, Desc) \
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if (Flags & Flag) \
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_ftprintf(stdout, Desc)
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/* We need a volume (path) */
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if (argc < 2)
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{
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_ftprintf(stderr, _T("Usage: fsutil fsinfo volumeinfo <volume_path>\n"));
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_ftprintf(stderr, _T("\tFor example: fsutil fsinfo volumeinfo c:\\\n"));
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return 1;
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}
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/* Gather information */
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if (!GetVolumeInformation(argv[1], VolumeName, MAX_PATH + 1, &Serial,
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&MaxComponentLen, &Flags, FileSystem, MAX_PATH + 1))
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{
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PrintErrorMessage(GetLastError());
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return 1;
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}
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/* Display general information */
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_ftprintf(stdout, _T("Volume name: %s\n"), VolumeName);
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_ftprintf(stdout, _T("Volume serial number: 0x%x\n"), Serial);
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_ftprintf(stdout, _T("Maximum component length: %u\n"), MaxComponentLen);
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_ftprintf(stdout, _T("File system name: %s\n"), FileSystem);
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/* Display specific flags */
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HANDLE_FLAG(Flags, FILE_CASE_SENSITIVE_SEARCH, _T("Supports case-sensitive file names\n"));
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HANDLE_FLAG(Flags, FILE_CASE_PRESERVED_NAMES, _T("Supports preserved case of file names\n"));
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HANDLE_FLAG(Flags, FILE_UNICODE_ON_DISK, _T("Supports unicode file names\n"));
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HANDLE_FLAG(Flags, FILE_PERSISTENT_ACLS, _T("Preserves and applies ACLs\n"));
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HANDLE_FLAG(Flags, FILE_FILE_COMPRESSION, _T("Supports compression per file\n"));
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HANDLE_FLAG(Flags, FILE_VOLUME_QUOTAS, _T("Supports disk quotas\n"));
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HANDLE_FLAG(Flags, FILE_SUPPORTS_SPARSE_FILES, _T("Supports sparse files\n"));
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HANDLE_FLAG(Flags, FILE_SUPPORTS_REPARSE_POINTS, _T("Supports reparse points\n"));
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HANDLE_FLAG(Flags, FILE_VOLUME_IS_COMPRESSED, _T("Is a compressed volume\n"));
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HANDLE_FLAG(Flags, FILE_SUPPORTS_OBJECT_IDS, _T("Supports object identifiers\n"));
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HANDLE_FLAG(Flags, FILE_SUPPORTS_ENCRYPTION, _T("Supports the Encrypted File System (EFS)\n"));
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HANDLE_FLAG(Flags, FILE_NAMED_STREAMS, _T("Supports named streams\n"));
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HANDLE_FLAG(Flags, FILE_READ_ONLY_VOLUME, _T("Is a read-only volume\n"));
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HANDLE_FLAG(Flags, FILE_SEQUENTIAL_WRITE_ONCE, _T("Supports a single sequential write\n"));
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HANDLE_FLAG(Flags, FILE_SUPPORTS_TRANSACTIONS, _T("Supports transactions\n"));
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HANDLE_FLAG(Flags, FILE_SUPPORTS_HARD_LINKS, _T("Supports hard links\n"));
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HANDLE_FLAG(Flags, FILE_SUPPORTS_EXTENDED_ATTRIBUTES, _T("Supports extended attributes\n"));
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HANDLE_FLAG(Flags, FILE_SUPPORTS_OPEN_BY_FILE_ID, _T("Supports opening files per file identifier\n"));
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HANDLE_FLAG(Flags, FILE_SUPPORTS_USN_JOURNAL, _T("Supports Update Sequence Number (USN) journals\n"));
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HANDLE_FLAG(Flags, FILE_DAX_VOLUME, _T("Is a direct access volume\n"));
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#undef HANDLE_FLAGS
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return 0;
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}
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static int
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NtfsInfoMain(int argc, const TCHAR *argv[])
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{
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HANDLE Volume;
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DWORD BytesRead;
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struct
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{
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NTFS_VOLUME_DATA_BUFFER;
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NTFS_EXTENDED_VOLUME_DATA;
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} Data;
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/* We need a volume (letter or GUID) */
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if (argc < 2)
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{
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_ftprintf(stderr, _T("Usage: fsutil fsinfo ntfsinfo <volume>\n"));
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_ftprintf(stderr, _T("\tFor example: fsutil fsinfo ntfsinfo c:\n"));
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return 1;
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}
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/* Get a handle for the volume */
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Volume = OpenVolume(argv[1], FALSE, TRUE);
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if (Volume == INVALID_HANDLE_VALUE)
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{
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return 1;
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}
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/* And query the NTFS data */
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if (DeviceIoControl(Volume, FSCTL_GET_NTFS_VOLUME_DATA, NULL, 0, &Data,
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sizeof(Data), &BytesRead, NULL) == FALSE)
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{
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PrintErrorMessage(GetLastError());
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CloseHandle(Volume);
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return 1;
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}
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/* We no longer need the volume */
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CloseHandle(Volume);
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/* Dump data */
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_ftprintf(stdout, _T("NTFS volume serial number:\t\t0x%0.16I64x\n"), Data.VolumeSerialNumber.QuadPart);
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/* Only print version if extended structure was returned */
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if (BytesRead > sizeof(NTFS_VOLUME_DATA_BUFFER))
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{
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_ftprintf(stdout, _T("Version:\t\t\t\t%u.%u\n"), Data.MajorVersion, Data.MinorVersion);
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}
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_ftprintf(stdout, _T("Number of sectors:\t\t\t0x%0.16I64x\n"), Data.NumberSectors.QuadPart);
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_ftprintf(stdout, _T("Total number of clusters:\t\t0x%0.16I64x\n"), Data.TotalClusters.QuadPart);
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_ftprintf(stdout, _T("Free clusters:\t\t\t\t0x%0.16I64x\n"), Data.FreeClusters.QuadPart);
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_ftprintf(stdout, _T("Total number of reserved clusters:\t0x%0.16I64x\n"), Data.TotalReserved.QuadPart);
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_ftprintf(stdout, _T("Bytes per sector:\t\t\t%d\n"), Data.BytesPerSector);
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_ftprintf(stdout, _T("Bytes per cluster:\t\t\t%d\n"), Data.BytesPerCluster);
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_ftprintf(stdout, _T("Bytes per file record segment:\t\t%d\n"), Data.BytesPerFileRecordSegment);
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_ftprintf(stdout, _T("Clusters per file record segment:\t%d\n"), Data.ClustersPerFileRecordSegment);
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_ftprintf(stdout, _T("MFT valid data length:\t\t\t0x%0.16I64x\n"), Data.MftValidDataLength.QuadPart);
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_ftprintf(stdout, _T("MFT start LCN:\t\t\t\t0x%0.16I64x\n"), Data.MftStartLcn.QuadPart);
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_ftprintf(stdout, _T("MFT2 start LCN:\t\t\t\t0x%0.16I64x\n"), Data.Mft2StartLcn.QuadPart);
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_ftprintf(stdout, _T("MFT zone start:\t\t\t\t0x%0.16I64x\n"), Data.MftZoneStart.QuadPart);
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_ftprintf(stdout, _T("MFT zone end:\t\t\t\t0x%0.16I64x\n"), Data.MftZoneEnd.QuadPart);
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return 0;
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}
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#define DUMP_VALUE(stats, value) fprintf(stdout, "%s: %lu\n", #value, stats->value)
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static void
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DumpBase(PFILESYSTEM_STATISTICS Base, TCHAR * Name)
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{
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/* Print FS name */
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_ftprintf(stdout, _T("File system type: %s\n\n"), Name);
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/* And then, dump any base stat */
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DUMP_VALUE(Base, UserFileReads);
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DUMP_VALUE(Base, UserFileReadBytes);
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DUMP_VALUE(Base, UserDiskReads);
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DUMP_VALUE(Base, UserFileWrites);
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DUMP_VALUE(Base, UserFileWriteBytes);
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DUMP_VALUE(Base, UserDiskWrites);
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DUMP_VALUE(Base, MetaDataReads);
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DUMP_VALUE(Base, MetaDataReadBytes);
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DUMP_VALUE(Base, MetaDataDiskReads);
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DUMP_VALUE(Base, MetaDataWrites);
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DUMP_VALUE(Base, MetaDataWriteBytes);
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DUMP_VALUE(Base, MetaDataDiskWrites);
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_ftprintf(stdout, _T("\n"));
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}
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static void
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DumpExFat(PVOID Statistics, PVOID Specific)
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{
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PEXFAT_STATISTICS ExFat;
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PFILESYSTEM_STATISTICS Base;
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Base = Statistics;
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ExFat = Specific;
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/* First, display the generic stats */
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DumpBase(Base, _T("EXFAT"));
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/* Then, display the EXFAT specific ones */
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DUMP_VALUE(ExFat, CreateHits);
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DUMP_VALUE(ExFat, SuccessfulCreates);
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DUMP_VALUE(ExFat, FailedCreates);
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DUMP_VALUE(ExFat, NonCachedReads);
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DUMP_VALUE(ExFat, NonCachedReadBytes);
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DUMP_VALUE(ExFat, NonCachedWrites);
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DUMP_VALUE(ExFat, NonCachedWriteBytes);
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DUMP_VALUE(ExFat, NonCachedDiskReads);
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DUMP_VALUE(ExFat, NonCachedDiskWrites);
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}
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static void
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DumpFat(PVOID Statistics, PVOID Specific)
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{
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PFAT_STATISTICS Fat;
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PFILESYSTEM_STATISTICS Base;
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Base = Statistics;
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Fat = Specific;
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/* First, display the generic stats */
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DumpBase(Base, _T("FAT"));
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/* Then, display the FAT specific ones */
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DUMP_VALUE(Fat, CreateHits);
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DUMP_VALUE(Fat, SuccessfulCreates);
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DUMP_VALUE(Fat, FailedCreates);
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DUMP_VALUE(Fat, NonCachedReads);
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DUMP_VALUE(Fat, NonCachedReadBytes);
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DUMP_VALUE(Fat, NonCachedWrites);
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DUMP_VALUE(Fat, NonCachedWriteBytes);
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DUMP_VALUE(Fat, NonCachedDiskReads);
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DUMP_VALUE(Fat, NonCachedDiskWrites);
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}
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static void
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DumpNtfs(PVOID Statistics, PVOID Specific)
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{
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PNTFS_STATISTICS Ntfs;
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PFILESYSTEM_STATISTICS Base;
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Base = Statistics;
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Ntfs = Specific;
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/* First, display the generic stats */
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DumpBase(Base, _T("NTFS"));
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/* Then, display the NTFS specific ones */
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DUMP_VALUE(Ntfs, MftReads);
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DUMP_VALUE(Ntfs, MftReadBytes);
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DUMP_VALUE(Ntfs, MftWrites);
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DUMP_VALUE(Ntfs, MftWriteBytes);
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DUMP_VALUE(Ntfs, Mft2Writes);
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DUMP_VALUE(Ntfs, Mft2WriteBytes);
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DUMP_VALUE(Ntfs, RootIndexReads);
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DUMP_VALUE(Ntfs, RootIndexReadBytes);
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DUMP_VALUE(Ntfs, RootIndexWrites);
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DUMP_VALUE(Ntfs, RootIndexWriteBytes);
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DUMP_VALUE(Ntfs, BitmapReads);
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DUMP_VALUE(Ntfs, BitmapReadBytes);
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DUMP_VALUE(Ntfs, BitmapWrites);
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DUMP_VALUE(Ntfs, BitmapWriteBytes);
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DUMP_VALUE(Ntfs, MftBitmapReads);
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DUMP_VALUE(Ntfs, MftBitmapReadBytes);
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DUMP_VALUE(Ntfs, MftBitmapWrites);
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DUMP_VALUE(Ntfs, MftBitmapWriteBytes);
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DUMP_VALUE(Ntfs, UserIndexReads);
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DUMP_VALUE(Ntfs, UserIndexReadBytes);
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DUMP_VALUE(Ntfs, UserIndexWrites);
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DUMP_VALUE(Ntfs, UserIndexWriteBytes);
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DUMP_VALUE(Ntfs, LogFileReads);
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DUMP_VALUE(Ntfs, LogFileReadBytes);
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DUMP_VALUE(Ntfs, LogFileWrites);
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DUMP_VALUE(Ntfs, LogFileWriteBytes);
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}
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#define GET_NEXT(stats, length, iter, type) (type)((ULONG_PTR)stats + (length * iter))
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#define SUM_VALUE(stats, new, value) stats->value += new->value
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static inline int
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ValidateSizes(ULONG Length, DWORD ProcCount, DWORD BytesRead, DWORD SpecificSize)
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{
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/* Check whether we could read our base length for every processor */
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if (Length * ProcCount > BytesRead)
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{
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_ftprintf(stderr, _T("Only performed a partial read: %lu (expected: %lu)\n"), BytesRead, Length * ProcCount);
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return 1;
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}
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/* Check whether this covers a specific entry and a generic entry for every processor */
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if ((sizeof(FILESYSTEM_STATISTICS) + SpecificSize) * ProcCount > BytesRead)
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{
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_ftprintf(stderr, _T("Only performed a partial read: %lu (expected: %Iu)\n"), BytesRead, (sizeof(FILESYSTEM_STATISTICS) + SpecificSize));
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return 1;
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}
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return 0;
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}
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static inline void
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SumBase(PFILESYSTEM_STATISTICS Base, PFILESYSTEM_STATISTICS NextBase)
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{
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/* Sum any entry in the generic structures */
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SUM_VALUE(Base, NextBase, UserFileReads);
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SUM_VALUE(Base, NextBase, UserFileReadBytes);
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SUM_VALUE(Base, NextBase, UserDiskReads);
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SUM_VALUE(Base, NextBase, UserFileWrites);
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SUM_VALUE(Base, NextBase, UserFileWriteBytes);
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SUM_VALUE(Base, NextBase, UserDiskWrites);
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SUM_VALUE(Base, NextBase, MetaDataReads);
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SUM_VALUE(Base, NextBase, MetaDataReadBytes);
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SUM_VALUE(Base, NextBase, MetaDataDiskReads);
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SUM_VALUE(Base, NextBase, MetaDataWrites);
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SUM_VALUE(Base, NextBase, MetaDataWriteBytes);
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SUM_VALUE(Base, NextBase, MetaDataDiskWrites);
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}
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static int
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SumExFat(PVOID Statistics, PVOID Specific, ULONG Length, DWORD ProcCount, DWORD BytesRead)
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{
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DWORD i;
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PEXFAT_STATISTICS ExFat;
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PFILESYSTEM_STATISTICS Base;
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/* First, validate we won't read beyond allocation */
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if (ValidateSizes(Length, ProcCount, BytesRead, sizeof(EXFAT_STATISTICS)))
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{
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return 1;
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}
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Base = Statistics;
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ExFat = Specific;
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/* And for every processor, sum every relevant value in first entry */
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for (i = 1; i < ProcCount; ++i)
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{
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PEXFAT_STATISTICS NextExFat;
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PFILESYSTEM_STATISTICS NextBase;
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NextBase = GET_NEXT(Base, Length, i, PFILESYSTEM_STATISTICS);
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NextExFat = GET_NEXT(ExFat, Length, i, PEXFAT_STATISTICS);
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/* Generic first */
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SumBase(Base, NextBase);
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/* Specific then */
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SUM_VALUE(ExFat, NextExFat, CreateHits);
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SUM_VALUE(ExFat, NextExFat, SuccessfulCreates);
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SUM_VALUE(ExFat, NextExFat, FailedCreates);
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SUM_VALUE(ExFat, NextExFat, NonCachedReads);
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SUM_VALUE(ExFat, NextExFat, NonCachedReadBytes);
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SUM_VALUE(ExFat, NextExFat, NonCachedWrites);
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SUM_VALUE(ExFat, NextExFat, NonCachedWriteBytes);
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SUM_VALUE(ExFat, NextExFat, NonCachedDiskReads);
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SUM_VALUE(ExFat, NextExFat, NonCachedDiskWrites);
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}
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return 0;
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}
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static int
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SumFat(PVOID Statistics, PVOID Specific, ULONG Length, DWORD ProcCount, DWORD BytesRead)
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{
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DWORD i;
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PFAT_STATISTICS Fat;
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PFILESYSTEM_STATISTICS Base;
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/* First, validate we won't read beyond allocation */
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if (ValidateSizes(Length, ProcCount, BytesRead, sizeof(FAT_STATISTICS)))
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{
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return 1;
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}
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Base = Statistics;
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Fat = Specific;
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/* And for every processor, sum every relevant value in first entry */
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for (i = 1; i < ProcCount; ++i)
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{
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PFAT_STATISTICS NextFat;
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PFILESYSTEM_STATISTICS NextBase;
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NextBase = GET_NEXT(Base, Length, i, PFILESYSTEM_STATISTICS);
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NextFat = GET_NEXT(Fat, Length, i, PFAT_STATISTICS);
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/* Generic first */
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SumBase(Base, NextBase);
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/* Specific then */
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SUM_VALUE(Fat, NextFat, CreateHits);
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SUM_VALUE(Fat, NextFat, SuccessfulCreates);
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SUM_VALUE(Fat, NextFat, FailedCreates);
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SUM_VALUE(Fat, NextFat, NonCachedReads);
|
|
SUM_VALUE(Fat, NextFat, NonCachedReadBytes);
|
|
SUM_VALUE(Fat, NextFat, NonCachedWrites);
|
|
SUM_VALUE(Fat, NextFat, NonCachedWriteBytes);
|
|
SUM_VALUE(Fat, NextFat, NonCachedDiskReads);
|
|
SUM_VALUE(Fat, NextFat, NonCachedDiskWrites);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
SumNtfs(PVOID Statistics, PVOID Specific, ULONG Length, DWORD ProcCount, DWORD BytesRead)
|
|
{
|
|
DWORD i;
|
|
PNTFS_STATISTICS Ntfs;
|
|
PFILESYSTEM_STATISTICS Base;
|
|
|
|
/* First, validate we won't read beyond allocation */
|
|
if (ValidateSizes(Length, ProcCount, BytesRead, sizeof(NTFS_STATISTICS)))
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
Base = Statistics;
|
|
Ntfs = Specific;
|
|
|
|
/* And for every processor, sum every relevant value in first entry */
|
|
for (i = 1; i < ProcCount; ++i)
|
|
{
|
|
PNTFS_STATISTICS NextNtfs;
|
|
PFILESYSTEM_STATISTICS NextBase;
|
|
|
|
NextBase = GET_NEXT(Base, Length, i, PFILESYSTEM_STATISTICS);
|
|
NextNtfs = GET_NEXT(Ntfs, Length, i, PNTFS_STATISTICS);
|
|
|
|
/* Generic first */
|
|
SumBase(Base, NextBase);
|
|
/* Specific then */
|
|
SUM_VALUE(Ntfs, NextNtfs, MftReads);
|
|
SUM_VALUE(Ntfs, NextNtfs, MftReadBytes);
|
|
SUM_VALUE(Ntfs, NextNtfs, MftWrites);
|
|
SUM_VALUE(Ntfs, NextNtfs, MftWriteBytes);
|
|
SUM_VALUE(Ntfs, NextNtfs, Mft2Writes);
|
|
SUM_VALUE(Ntfs, NextNtfs, Mft2WriteBytes);
|
|
SUM_VALUE(Ntfs, NextNtfs, RootIndexReads);
|
|
SUM_VALUE(Ntfs, NextNtfs, RootIndexReadBytes);
|
|
SUM_VALUE(Ntfs, NextNtfs, RootIndexWrites);
|
|
SUM_VALUE(Ntfs, NextNtfs, RootIndexWriteBytes);
|
|
SUM_VALUE(Ntfs, NextNtfs, BitmapReads);
|
|
SUM_VALUE(Ntfs, NextNtfs, BitmapReadBytes);
|
|
SUM_VALUE(Ntfs, NextNtfs, BitmapWrites);
|
|
SUM_VALUE(Ntfs, NextNtfs, BitmapWriteBytes);
|
|
SUM_VALUE(Ntfs, NextNtfs, MftBitmapReads);
|
|
SUM_VALUE(Ntfs, NextNtfs, MftBitmapReadBytes);
|
|
SUM_VALUE(Ntfs, NextNtfs, MftBitmapWrites);
|
|
SUM_VALUE(Ntfs, NextNtfs, MftBitmapWriteBytes);
|
|
SUM_VALUE(Ntfs, NextNtfs, UserIndexReads);
|
|
SUM_VALUE(Ntfs, NextNtfs, UserIndexReadBytes);
|
|
SUM_VALUE(Ntfs, NextNtfs, UserIndexWrites);
|
|
SUM_VALUE(Ntfs, NextNtfs, UserIndexWriteBytes);
|
|
SUM_VALUE(Ntfs, NextNtfs, LogFileReads);
|
|
SUM_VALUE(Ntfs, NextNtfs, LogFileReadBytes);
|
|
SUM_VALUE(Ntfs, NextNtfs, LogFileWrites);
|
|
SUM_VALUE(Ntfs, NextNtfs, LogFileWriteBytes);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
StatisticsMain(int argc, const TCHAR *argv[])
|
|
{
|
|
HANDLE Volume;
|
|
SYSTEM_INFO SystemInfo;
|
|
FILESYSTEM_STATISTICS Buffer;
|
|
PFILESYSTEM_STATISTICS Statistics;
|
|
DWORD BytesRead, Length, ProcCount;
|
|
/* +1 because 0 isn't assigned to a filesystem */
|
|
void (*DumpFct[FILESYSTEM_STATISTICS_TYPE_EXFAT + 1])(PVOID, PVOID) = { NULL, DumpNtfs, DumpFat, DumpExFat };
|
|
int (*SumFct[FILESYSTEM_STATISTICS_TYPE_EXFAT + 1])(PVOID, PVOID, ULONG, DWORD, DWORD) = { NULL, SumNtfs, SumFat, SumExFat };
|
|
|
|
/* We need a volume (letter or GUID) */
|
|
if (argc < 2)
|
|
{
|
|
_ftprintf(stderr, _T("Usage: fsutil fsinfo statistics <volume>\n"));
|
|
_ftprintf(stderr, _T("\tFor example: fsutil fsinfo statistics c:\n"));
|
|
return 1;
|
|
}
|
|
|
|
/* Get a handle for the volume */
|
|
Volume = OpenVolume(argv[1], FALSE, FALSE);
|
|
if (Volume == INVALID_HANDLE_VALUE)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
/* And query the statistics status - this call is expected to fail */
|
|
Statistics = &Buffer;
|
|
Length = sizeof(Buffer);
|
|
/* Assume we have a single proc for now */
|
|
ProcCount = 1;
|
|
if (DeviceIoControl(Volume, FSCTL_FILESYSTEM_GET_STATISTICS, NULL, 0, Statistics,
|
|
Length, &BytesRead, NULL) == FALSE)
|
|
{
|
|
DWORD Error;
|
|
|
|
/* Check we failed because we provided a too small buffer */
|
|
Error = GetLastError();
|
|
if (Error == ERROR_MORE_DATA)
|
|
{
|
|
/* Get proc count */
|
|
GetSystemInfo(&SystemInfo);
|
|
ProcCount = SystemInfo.dwNumberOfProcessors;
|
|
/* Get the maximum size to allocate: it's the total size (generic + specific) for every proc */
|
|
Length = Statistics->SizeOfCompleteStructure * ProcCount;
|
|
|
|
Statistics = LocalAlloc(LPTR, Length);
|
|
if (Statistics == NULL)
|
|
{
|
|
_ftprintf(stderr, _T("Failed to allocate memory!\n"));
|
|
CloseHandle(Volume);
|
|
return 1;
|
|
}
|
|
|
|
/* Reissue the FSCTL, it's supposed to succeed now! */
|
|
if (DeviceIoControl(Volume, FSCTL_FILESYSTEM_GET_STATISTICS, NULL, 0, Statistics,
|
|
Length, &BytesRead, NULL) == FALSE)
|
|
{
|
|
PrintErrorMessage(GetLastError());
|
|
LocalFree(Statistics);
|
|
CloseHandle(Volume);
|
|
return 1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
PrintErrorMessage(Error);
|
|
CloseHandle(Volume);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
/* No need to deal with the volume any longer */
|
|
CloseHandle(Volume);
|
|
|
|
/* We only support FAT, EXFAT and NTFS for now */
|
|
if (Statistics->FileSystemType > FILESYSTEM_STATISTICS_TYPE_EXFAT || Statistics->FileSystemType < FILESYSTEM_STATISTICS_TYPE_NTFS)
|
|
{
|
|
_ftprintf(stderr, _T("Unrecognized file system type: %d\n"), Statistics->FileSystemType);
|
|
if (Statistics != &Buffer)
|
|
{
|
|
LocalFree(Statistics);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* Sum all the statistics (both generic and specific) from all the processors in the first entry */
|
|
if (SumFct[Statistics->FileSystemType](Statistics, (PVOID)((ULONG_PTR)Statistics + sizeof(FILESYSTEM_STATISTICS)),
|
|
Statistics->SizeOfCompleteStructure, ProcCount, BytesRead))
|
|
{
|
|
if (Statistics != &Buffer)
|
|
{
|
|
LocalFree(Statistics);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* And finally, display the statistics (both generic and specific) */
|
|
DumpFct[Statistics->FileSystemType](Statistics, (PVOID)((ULONG_PTR)Statistics + sizeof(FILESYSTEM_STATISTICS)));
|
|
|
|
/* If we allocated memory, release it */
|
|
if (Statistics != &Buffer)
|
|
{
|
|
LocalFree(Statistics);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
PrintUsage(const TCHAR * Command)
|
|
{
|
|
PrintDefaultUsage(_T(" FSINFO "), Command, (HandlerItem *)&HandlersList,
|
|
(sizeof(HandlersList) / sizeof(HandlersList[0])));
|
|
}
|
|
|
|
int
|
|
FsInfoMain(int argc, const TCHAR *argv[])
|
|
{
|
|
return FindHandler(argc, argv, (HandlerItem *)&HandlersList,
|
|
(sizeof(HandlersList) / sizeof(HandlersList[0])),
|
|
PrintUsage);
|
|
}
|