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ignore usb-storage descriptors marked "not attached"

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This commit is contained in:
Chris Danford
2004-02-26 09:37:04 +00:00
parent e5793ab28a
commit d2c8684449
1 changed files with 24 additions and 17 deletions
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stepmania/src/arch/MemoryCard/MemoryCardDriver_Linux.cpp
+24 -17
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@@ -133,10 +133,11 @@ void MemoryCardDriver_Linux::GetStorageDevices( vector<UsbStorageDevice>& vDevic
}
{
// Find the usb-storage device index for all storage class devices.
for( unsigned i=0; i<vDevicesOut.size(); i++ )
// Read all usb-storage descriptors and map from our array to usb-storage device index.
int iConnectedDeviceIndex = 0;
for( iUsbStorageIndex = 0; true; iUsbStorageIndex++; )
{
UsbStorageDevice& usbd = vDevicesOut[i];
UsbStorageDevice& usbd = vDevicesOut[iConnectedDeviceIndex];
// Output looks like:
// Host scsi0: usb-storage
@@ -148,29 +149,35 @@ void MemoryCardDriver_Linux::GetStorageDevices( vector<UsbStorageDevice>& vDevic
// GUID: 04e801000001125198948886
// Attached: Yes
CString fn = ssprintf( "/proc/scsi/usb-storage-%d/%d", i, i );
CString fn = ssprintf( "/proc/scsi/usb-storage-%d/%d", iUsbStorageIndex, iUsbStorageIndex );
ifstream f;
f.open(fn);
if( !f.is_open() )
{
LOG->Warn( "can't open '%s'", fn.c_str() );
return;
}
break;
char szTemp[1024];
CString sLine;
while( getline(f, sLine) )
{
// Serial Number: 1125198948886
char szSerial[1024];
int iRet = sscanf( sLine.c_str(), "Serial Number: %[^\n]", szSerial );
// Attached: Yes
int iRet = sscanf( sLine.c_str(), " Attached: %s", szTemp );
if( iRet == 1 ) // we found our line
{
usbd.iUsbStorageIndex = i;
LOG->Trace( "iUsbStorageIndex: %d, iBus: %d, iDeviceOnBus: %d, iPortOnHub: %d",
usbd.iUsbStorageIndex, usbd.iBus, usbd.iDeviceOnBus, usbd.iPortOnHub );
break; // stop looking
if( strcmp(szTemp,"Yes")==0 )
{
usbd.iUsbStorageIndex = iUsbStorageIndex;
iConnectedDeviceIndex++;
}
else if( strcmp(szTemp,"No")==0 )
{
break; // this device isn't attached. Ignore it.
}
else
{
LOG->Warn( "Invalid value for Attached: '%s'", szTemp );
break;
}
}
}
}