Sweden-Number/dlls/mountmgr.sys/diskarb.c

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/*
* Devices support using the MacOS Disk Arbitration library.
*
* Copyright 2006 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <assert.h>
#include <errno.h>
#include <stdarg.h>
#include <stdio.h>
#include <sys/time.h>
#include "mountmgr.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(mountmgr);
#ifdef HAVE_DISKARBITRATION_DISKARBITRATION_H
#include <DiskArbitration/DiskArbitration.h>
static void appeared_callback( DADiskRef disk, void *context )
{
CFDictionaryRef dict = DADiskCopyDescription( disk );
const void *ref;
char device[64];
char mount_point[PATH_MAX];
GUID guid, *guid_ptr = NULL;
enum device_type type = DEVICE_UNKNOWN;
if (!dict) return;
if ((ref = CFDictionaryGetValue( dict, CFSTR("DAVolumeUUID") )))
{
CFUUIDBytes bytes = CFUUIDGetUUIDBytes( ref );
memcpy( &guid, &bytes, sizeof(guid) );
guid_ptr = &guid;
}
/* get device name */
if (!(ref = CFDictionaryGetValue( dict, CFSTR("DAMediaBSDName") ))) goto done;
strcpy( device, "/dev/r" );
CFStringGetCString( ref, device + 6, sizeof(device) - 6, kCFStringEncodingASCII );
if ((ref = CFDictionaryGetValue( dict, CFSTR("DAVolumePath") )))
CFURLGetFileSystemRepresentation( ref, true, (UInt8 *)mount_point, sizeof(mount_point) );
else
mount_point[0] = 0;
if ((ref = CFDictionaryGetValue( dict, CFSTR("DAMediaKind") )))
{
if (!CFStringCompare( ref, CFSTR("IOCDMedia"), 0 ))
type = DEVICE_CDROM;
if (!CFStringCompare( ref, CFSTR("IODVDMedia"), 0 ) ||
!CFStringCompare( ref, CFSTR("IOBDMedia"), 0 ))
type = DEVICE_DVD;
if (!CFStringCompare( ref, CFSTR("IOMedia"), 0 ))
type = DEVICE_HARDDISK;
}
TRACE( "got mount notification for '%s' on '%s' uuid %s\n",
device, mount_point, wine_dbgstr_guid(guid_ptr) );
if ((ref = CFDictionaryGetValue( dict, CFSTR("DAMediaRemovable") )) && CFBooleanGetValue( ref ))
add_dos_device( -1, device, device, mount_point, type, guid_ptr );
else
if (guid_ptr) add_volume( device, device, mount_point, DEVICE_HARDDISK_VOL, guid_ptr );
done:
CFRelease( dict );
}
static void changed_callback( DADiskRef disk, CFArrayRef keys, void *context )
{
appeared_callback( disk, context );
}
static void disappeared_callback( DADiskRef disk, void *context )
{
CFDictionaryRef dict = DADiskCopyDescription( disk );
const void *ref;
char device[100];
if (!dict) return;
/* get device name */
if (!(ref = CFDictionaryGetValue( dict, CFSTR("DAMediaBSDName") ))) goto done;
strcpy( device, "/dev/r" );
CFStringGetCString( ref, device + 6, sizeof(device) - 6, kCFStringEncodingASCII );
TRACE( "got unmount notification for '%s'\n", device );
if ((ref = CFDictionaryGetValue( dict, CFSTR("DAMediaRemovable") )) && CFBooleanGetValue( ref ))
remove_dos_device( -1, device );
else
remove_volume( device );
done:
CFRelease( dict );
}
static DWORD WINAPI runloop_thread( void *arg )
{
DASessionRef session = DASessionCreate( NULL );
if (!session) return 1;
DASessionScheduleWithRunLoop( session, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode );
DARegisterDiskAppearedCallback( session, kDADiskDescriptionMatchVolumeMountable,
appeared_callback, NULL );
DARegisterDiskDisappearedCallback( session, kDADiskDescriptionMatchVolumeMountable,
disappeared_callback, NULL );
DARegisterDiskDescriptionChangedCallback( session, kDADiskDescriptionMatchVolumeMountable,
kDADiskDescriptionWatchVolumePath, changed_callback, NULL );
CFRunLoopRun();
DASessionUnscheduleFromRunLoop( session, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode );
CFRelease( session );
return 0;
}
void initialize_diskarbitration(void)
{
HANDLE handle;
if (!(handle = CreateThread( NULL, 0, runloop_thread, NULL, 0, NULL ))) return;
CloseHandle( handle );
}
#else /* HAVE_DISKARBITRATION_DISKARBITRATION_H */
void initialize_diskarbitration(void)
{
TRACE( "Skipping, Disk Arbitration support not compiled in\n" );
}
#endif /* HAVE_DISKARBITRATION_DISKARBITRATION_H */