mirror of
https://github.com/reactos/reactos.git
synced 2024-11-18 13:01:40 +00:00
463 lines
14 KiB
C++
463 lines
14 KiB
C++
/*****************************************************************************
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Unfrag
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*****************************************************************************/
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#include "Unfrag.h"
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#include "DriveVolume.h"
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#include "Defragment.h"
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#include <process.h>
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bool QuietMode = false;
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bool VerboseMode = false;
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// Makes sure we're in Windows 2000
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bool CheckWinVer (void)
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{
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OSVERSIONINFO OSVersion;
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ZeroMemory (&OSVersion, sizeof (OSVersion));
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OSVersion.dwOSVersionInfoSize = sizeof (OSVersion);
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GetVersionEx (&OSVersion);
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// Need Windows 2000!
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// Check for NT first
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// Actually what we do is check that weLL're not on Win31+Win32s and that we're
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// not in Windows 9x. It's possible that there could be more Windows "platforms"
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// in the future and there's no sense in claiming incompatibility.
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if (OSVersion.dwPlatformId == VER_PLATFORM_WIN32s ||
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OSVersion.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS)
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{
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return (false);
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}
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// Ok weLL're in Windows NT, now make sure we're in 2000
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if (OSVersion.dwMajorVersion < 5)
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return (false);
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// Kew, we're in at least Windows 2000 ("NT 5.0")
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return (true);
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}
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wchar_t *AddCommas (wchar_t *Result, uint64 Number)
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{
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wchar_t Temp[128];
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int TempLen;
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//wchar_t *p = NULL;
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int AddCommas = 0;
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wchar_t *StrPosResult = NULL;
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wchar_t *StrPosOrig = NULL;
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// we get the string form of the number, then we count down w/ AddCommas
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// while copying the string from Temp1 to Result. when AddCommas % 3 == 1,
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// slap in a commas as well, before the #.
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swprintf (Temp, L"%I64u", Number);
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AddCommas = TempLen = wcslen (Temp);
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StrPosOrig = Temp;
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StrPosResult = Result;
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while (AddCommas)
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{
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if ((AddCommas % 3) == 0 && AddCommas != TempLen) // avoid stuff like ",345"
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{
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*StrPosResult = L',';
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StrPosResult++;
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}
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*StrPosResult = *StrPosOrig;
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StrPosResult++;
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StrPosOrig++;
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*StrPosResult = 0;
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AddCommas--;
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}
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return (Result);
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}
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void PrintBanner (void)
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{
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wprintf (L"%s v%s\n", APPNAME_CLI, APPVER_STR);
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wprintf (L"%s\n", APPCOPYRIGHT);
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wprintf (L"\n");
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return;
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}
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void FraggerHelp (void)
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{
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wprintf (L"Usage: unfrag drive: [...] <-f | -e>\n");
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wprintf (L"\n");
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wprintf (L"drive: : The drive to defrag. Should be two characters long, ie 'c:' or 'd:'.\n");
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wprintf (L" Multiple drives may be given, and all will be simultaneously\n");
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wprintf (L" defragmented using the same options.\n");
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wprintf (L"-f : Do a fast defragmentation. Files that are not fragmented will not be\n");
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wprintf (L" moved. Only one pass is made over the file list. Using this option\n");
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wprintf (L" may result in not all files being defragmented, depending on\n");
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wprintf (L" available disk space.\n");
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wprintf (L"-e : Do an extensive defragmention. Files will be moved in an attempt to\n");
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wprintf (L" defragment both files and free space.\n");
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if (!CheckWinVer())
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{
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wprintf (L"\n");
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wprintf (L"NOTE: This program requires Windows 2000, which is not presently running on\n");
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wprintf (L"this system.\n");
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}
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return;
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}
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void __cdecl DefragThread (LPVOID parm)
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{
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Defragment *Defrag;
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Defrag = (Defragment *) parm;
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Defrag->Start ();
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_endthread ();
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return;
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}
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Defragment *StartDefragThread (wstring Drive, DefragType Method, HANDLE &Handle)
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{
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Defragment *Defragger;
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unsigned long Thread;
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Defragger = new Defragment (Drive, Method);
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//Thread = /*CreateThread*/ _beginthreadex (NULL, 0, DefragThread, Defragger, 0, &ThreadID);
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Thread = _beginthread (DefragThread, 0, Defragger);
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Handle = *((HANDLE *)&Thread);
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return (Defragger);
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}
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// Main Initialization
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int wmain (int argc, wchar_t **argv)
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{
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vector<wstring> Drives;
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vector<Defragment *> Defrags;
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DefragType DefragMode = DefragInvalid;
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PrintBanner ();
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// Parse command line arguments
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bool ValidCmdLine = false;
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for (int c = 0; c < argc; c++)
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{
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if (wcslen(argv[c]) == 2 && argv[c][1] == L':')
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{
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Drives.push_back (wcsupr(argv[c]));
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}
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else
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if (argv[c][0] == L'-' || argv[c][0] == L'/' && wcslen(argv[c]) == 2)
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{
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switch (tolower(argv[c][1]))
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{
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case L'?' :
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case L'h' :
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FraggerHelp ();
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return (0);
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case L'f' :
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if (DefragMode != DefragInvalid)
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{
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ValidCmdLine = false;
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break;
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}
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DefragMode = DefragFast;
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ValidCmdLine = true;
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break;
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case L'e' :
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if (DefragMode != DefragInvalid)
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{
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ValidCmdLine = false;
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break;
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}
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DefragMode = DefragExtensive;
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ValidCmdLine = true;
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break;
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}
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}
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}
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if (DefragMode == DefragInvalid)
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ValidCmdLine = false;
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if (!ValidCmdLine)
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{
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wprintf (L"Invalid command-line options. Use '%s -?' for help.\n", argv[0]);
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return (0);
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}
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// Check OS requirements
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if (!CheckWinVer())
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{
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wprintf (L"Fatal Error: This program requires Windows 2000.\n");
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return (0);
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}
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for (size_t d = 0; d < Drives.size (); d++)
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{
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HANDLE TossMe;
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Defrags.push_back (StartDefragThread (Drives[d], DefragMode, TossMe));
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}
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for (size_t d = 0; d < Drives.size () - 1; d++)
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wprintf (L"\n ");
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bool Continue = true;
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HANDLE Screen;
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Screen = GetStdHandle (STD_OUTPUT_HANDLE);
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while (Continue)
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{
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Sleep (25);
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// Get current screen coords
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CONSOLE_SCREEN_BUFFER_INFO ScreenInfo;
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GetConsoleScreenBufferInfo (Screen, &ScreenInfo);
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// Now set back to the beginning
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ScreenInfo.dwCursorPosition.X = 0;
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ScreenInfo.dwCursorPosition.Y -= Drives.size();
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SetConsoleCursorPosition (Screen, ScreenInfo.dwCursorPosition);
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for (size_t d = 0; d < Drives.size (); d++)
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{
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wprintf (L"\n%6.2f%% %-70s", Defrags[d]->GetStatusPercent(), Defrags[d]->GetStatusString().c_str());
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}
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// Determine if we should keep going
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Continue = false;
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for (size_t d = 0; d < Drives.size (); d++)
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{
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if (!Defrags[d]->IsDoneYet() && !Defrags[d]->HasError())
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Continue = true;
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}
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}
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#if 0
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// Loop through the drives list
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for (int d = 0; d < Drives.size(); d++)
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{
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DriveVolume *Drive;
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Drive = new DriveVolume;
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// First thing: build a file list.
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wprintf (L"Opening volume %s ...", Drives[d].c_str());
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if (!Drive->Open (Drives[d]))
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{
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wprintf (L"FAILED\n\n");
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delete Drive;
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continue;
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}
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wprintf (L"\n");
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wprintf (L" Getting drive bitmap ...");
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if (!Drive->GetBitmap ())
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{
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wprintf (L"FAILED\n\n");
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delete Drive;
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continue;
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}
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wprintf (L"\n");
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wprintf (L" Obtaining drive geometry ...");
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if (!Drive->ObtainInfo ())
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{
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wprintf (L"FAILED\n\n");
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delete Drive;
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continue;
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}
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wprintf (L"\n");
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wprintf (L" Building file database for drive %s ...", Drives[d].c_str());
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if (!Drive->BuildFileList ())
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{
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wprintf (L"FAILED\n\n");
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delete Drive;
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continue;
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}
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wprintf (L"\n");
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wprintf (L" %u files\n", Drive->GetDBFileCount ());
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// Analyze only?
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if (DefragMode == DefragAnalyze)
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{
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uint64 UsedBytes = 0; // total bytes used, with cluster size considerations
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uint64 TotalBytes = 0; // total bytes used
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uint64 SlackBytes = 0; // wasted space due to slack
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uint32 Fragged = 0; // fragmented files
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wprintf (L" Analyzing ...");
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if (VerboseMode)
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wprintf (L"\n");
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for (int i = 0; i < Drive->GetDBFileCount(); i++)
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{
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uint64 Used;
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uint64 Slack;
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FileInfo Info;
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Info = Drive->GetDBFile (i);
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// Compute total used disk space
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Used = ((Info.Size + Drive->GetClusterSize() - 1) / Drive->GetClusterSize()) * Drive->GetClusterSize();
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Slack = Used - Info.Size;
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UsedBytes += Used;
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SlackBytes += Slack;
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TotalBytes += Info.Size;
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if (VerboseMode)
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{
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wprintf (L" %s%s, ", Drive->GetDBDir (Info.DirIndice).c_str(), Info.Name.c_str());
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if (Info.Attributes.AccessDenied)
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wprintf (L"access was denied\n");
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else
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{
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if (Info.Attributes.Unmovable == 1)
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wprintf (L"unmovable, ");
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wprintf (L"%I64u bytes, %I64u bytes on disk, %I64u bytes slack, %u fragments\n",
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Info.Size, Used, Slack, Info.Fragments.size());
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}
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}
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if (Info.Fragments.size() > 1)
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Fragged++;
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}
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if (!VerboseMode)
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wprintf (L"\n");
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// TODO: Make it not look like ass
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wprintf (L"\n");
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wprintf (L" Overall Analysis\n");
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wprintf (L" ----------------\n");
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wprintf (L" %u clusters\n", Drive->GetClusterCount ());
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wprintf (L" %u bytes per cluster\n", Drive->GetClusterSize());
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wprintf (L" %I64u total bytes on drive\n", (uint64)Drive->GetClusterCount() * (uint64)Drive->GetClusterSize());
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wprintf (L"\n");
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wprintf (L" %u files\n", Drive->GetDBFileCount ());
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wprintf (L" %u contiguous files\n", Drive->GetDBFileCount () - Fragged);
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wprintf (L" %u fragmented files\n", Fragged);
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wprintf (L"\n");
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wprintf (L" %I64u bytes\n", TotalBytes);
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wprintf (L" %I64u bytes on disk\n", UsedBytes);
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wprintf (L" %I64u bytes slack\n", SlackBytes);
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}
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// Fast defragment!
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if (DefragMode == DefragFast || DefragMode == DefragExtensive)
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{
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uint32 i;
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uint64 FirstFreeLCN;
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wchar_t PrintName[80];
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int Width = 66;
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if (DefragMode == DefragFast)
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wprintf (L" Performing fast file defragmentation ...\n");
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else
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if (DefragMode == DefragExtensive)
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wprintf (L" Performing extensive file defragmentation\n");
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// Find first free LCN for speedier searches ...
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Drive->FindFreeRange (0, 1, FirstFreeLCN);
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for (i = 0; i < Drive->GetDBFileCount(); i++)
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{
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FileInfo Info;
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bool Result;
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uint64 TargetLCN;
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wprintf (L"\r");
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Info = Drive->GetDBFile (i);
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FitName (PrintName, Drive->GetDBDir (Info.DirIndice).c_str(), Info.Name.c_str(), Width);
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wprintf (L" %6.2f%% %-66s", (float)i / (float)Drive->GetDBFileCount() * 100.0f, PrintName);
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// Can't defrag 0 byte files :)
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if (Info.Fragments.size() == 0)
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continue;
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// If doing fast defrag, skip non-fragmented files
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if (Info.Fragments.size() == 1 && DefragMode == DefragFast)
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continue;
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// Find a place that can fit the file
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Result = Drive->FindFreeRange (FirstFreeLCN, Info.Clusters, TargetLCN);
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// If we're doing an extensive defrag and the file is already defragmented
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// and if its new location would be after its current location, don't
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// move it.
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if (DefragMode == DefragExtensive && Info.Fragments.size() == 1)
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{
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if (TargetLCN > Info.Fragments[0].StartLCN)
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continue;
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}
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// Otherwise, defrag0rize it!
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if (Result)
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{
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bool Success = false;
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if (Drive->MoveFileDumb (i, TargetLCN))
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Success = true;
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else
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{ // hmm, look for another area to move it to
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Result = Drive->FindFreeRange (TargetLCN + 1, Info.Clusters, TargetLCN);
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if (Result)
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{
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if (Drive->MoveFileDumb (i, TargetLCN))
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Success = true;
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else
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{ // Try updating the drive bitmap
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if (Drive->GetBitmap ())
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{
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Result = Drive->FindFreeRange (0, Info.Clusters, TargetLCN);
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if (Result)
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{
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if (Drive->MoveFileDumb (i, TargetLCN))
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Success = true;
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}
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}
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}
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}
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}
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if (!Success)
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wprintf (L"\n -> failed\n");
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Drive->FindFreeRange (0, 1, FirstFreeLCN);
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}
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}
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wprintf (L"\n");
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}
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wprintf (L"Closing volume %s ...", Drives[d].c_str());
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delete Drive;
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wprintf (L"\n");
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}
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#endif
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return (0);
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}
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