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reactos/modules/rosapps/applications/fraginator/Unfrag.cpp

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