Files
itgmania212121/stepmania/src/arch/MemoryCard/MemoryCardDriver_Windows.cpp
T
Glenn Maynard bc1f3b60c0 explicitly unmount previous mounts
(this is not yet well-tested)
2004-03-15 03:07:58 +00:00

109 lines
2.8 KiB
C++

#include "global.h"
#include "MemoryCardDriver_Windows.h"
#include "RageUtil.h"
#include <io.h>
#include <fcntl.h>
#include "RageFileManager.h"
#include "RageLog.h"
MemoryCardDriver_Windows::MemoryCardDriver_Windows()
{
m_dwLastLogicalDrives = GetLogicalDrives();
}
MemoryCardDriver_Windows::~MemoryCardDriver_Windows()
{
}
bool MemoryCardDriver_Windows::StorageDevicesChanged()
{
DWORD dwNewLogicalDrives = GetLogicalDrives();
bool bChanged = (dwNewLogicalDrives != m_dwLastLogicalDrives);
m_dwLastLogicalDrives = dwNewLogicalDrives;
return bChanged;
}
void MemoryCardDriver_Windows::GetStorageDevices( vector<UsbStorageDevice>& vDevicesOut )
{
vDevicesOut.clear();
int i = 2; // skip 'a:" and "b:"
const int MAX_DRIVES = sizeof(m_dwLastLogicalDrives)*8;
for( ; i<MAX_DRIVES; i++ )
{
DWORD mask = (1 << i);
if( m_dwLastLogicalDrives & mask ) // drive is valid
{
CString sDrive;
if( i >= 26 )
sDrive = ssprintf( "%c%c:\\", 'a'+(i/26)-1, i%26 );
else
sDrive = ssprintf( "%c:\\", 'a'+i%26 );
if( GetDriveType(sDrive) != DRIVE_REMOVABLE )
continue; // skip
UsbStorageDevice usbd;
usbd.sOsMountDir = sDrive;
vDevicesOut.push_back( usbd );
}
}
}
bool MemoryCardDriver_Windows::MountAndTestWrite( UsbStorageDevice* pDevice, CString sMountPoint )
{
if( pDevice->sOsMountDir.empty() )
return false;
// TODO: Use RageFileDirect here to detect ready state?
TCHAR szVolumeNameBuffer[MAX_PATH];
DWORD dwVolumeSerialNumber;
DWORD dwMaximumComponentLength;
DWORD lpFileSystemFlags;
TCHAR szFileSystemNameBuffer[MAX_PATH];
BOOL bReady = GetVolumeInformation(
pDevice->sOsMountDir,
szVolumeNameBuffer,
sizeof(szVolumeNameBuffer),
&dwVolumeSerialNumber,
&dwMaximumComponentLength,
&lpFileSystemFlags,
szFileSystemNameBuffer,
sizeof(szFileSystemNameBuffer) );
if( !bReady )
return false;
// Try to write a file.
// TODO: Can we use RageFile for this?
CString sFile = pDevice->sOsMountDir + "temp";
FILE* fp = fopen( sFile, "w" );
if( fp == NULL )
return false;
fclose( fp );
remove( sFile );
/* Unmount any previous mounts for this mountpoint. */
vector<RageFileManager::DriverLocation> Mounts;
FILEMAN->GetLoadedDrivers( Mounts );
for( unsigned i = 0; i < Mounts.size(); ++i )
FILEMAN->Unmount( Mounts[i].Type, Mounts[i].Root, Mounts[i].MountPoint );
FILEMAN->Mount( "dir", pDevice->sOsMountDir, sMountPoint.c_str() );
LOG->Trace( "FILEMAN->Mount %s %s", pDevice->sOsMountDir.c_str(), sMountPoint.c_str() );
return true;
}
void MemoryCardDriver_Windows::Flush( UsbStorageDevice* pDevice )
{
// Do we need anything here? I don't lose data if ejecting
// soon after a write. From the activity LED, it looks like
// Windows flushes automatically every ~2 seconds. -Chris
}
/*
* Copyright (c) 2003 by the person(s) listed below. All rights reserved.
* Chris Danford
*/