507d31b86b
Works around a race condition between the vold and MountService uevent handlers Change-Id: I71c92f2e9b92e1fefc192da166a91d81bc60e242 Signed-off-by: Mike Lockwood <lockwood@android.com>
104 lines
2.9 KiB
C++
104 lines
2.9 KiB
C++
/*
|
|
* Copyright (C) 2008 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef _VOLUME_H
|
|
#define _VOLUME_H
|
|
|
|
#include <utils/List.h>
|
|
|
|
class NetlinkEvent;
|
|
class VolumeManager;
|
|
|
|
class Volume {
|
|
private:
|
|
int mState;
|
|
|
|
public:
|
|
static const int State_Init = -1;
|
|
static const int State_NoMedia = 0;
|
|
static const int State_Idle = 1;
|
|
static const int State_Pending = 2;
|
|
static const int State_Checking = 3;
|
|
static const int State_Mounted = 4;
|
|
static const int State_Unmounting = 5;
|
|
static const int State_Formatting = 6;
|
|
static const int State_Shared = 7;
|
|
static const int State_SharedMnt = 8;
|
|
|
|
static const char *SECDIR;
|
|
static const char *SEC_STGDIR;
|
|
static const char *SEC_STG_SECIMGDIR;
|
|
static const char *SEC_ASECDIR;
|
|
static const char *ASECDIR;
|
|
|
|
static const char *LOOPDIR;
|
|
|
|
protected:
|
|
char *mLabel;
|
|
char *mMountpoint;
|
|
VolumeManager *mVm;
|
|
bool mDebug;
|
|
int mPartIdx;
|
|
bool mRetryMount;
|
|
|
|
/*
|
|
* The major/minor tuple of the currently mounted filesystem.
|
|
*/
|
|
dev_t mCurrentlyMountedKdev;
|
|
|
|
public:
|
|
Volume(VolumeManager *vm, const char *label, const char *mount_point);
|
|
virtual ~Volume();
|
|
|
|
int mountVol();
|
|
int unmountVol(bool force);
|
|
int formatVol();
|
|
|
|
const char *getLabel() { return mLabel; }
|
|
const char *getMountpoint() { return mMountpoint; }
|
|
int getState() { return mState; }
|
|
|
|
virtual int handleBlockEvent(NetlinkEvent *evt);
|
|
virtual dev_t getDiskDevice();
|
|
virtual dev_t getShareDevice();
|
|
virtual void handleVolumeShared();
|
|
virtual void handleVolumeUnshared();
|
|
|
|
void setDebug(bool enable);
|
|
virtual int getVolInfo(struct volume_info *v) = 0;
|
|
|
|
protected:
|
|
void setState(int state);
|
|
|
|
virtual int getDeviceNodes(dev_t *devs, int max) = 0;
|
|
virtual int updateDeviceInfo(char *new_path, int new_major, int new_minor) = 0;
|
|
virtual int isDecrypted(void) = 0;
|
|
virtual int getFlags(void) = 0;
|
|
|
|
int createDeviceNode(const char *path, int major, int minor);
|
|
|
|
private:
|
|
int initializeMbr(const char *deviceNode);
|
|
bool isMountpointMounted(const char *path);
|
|
int createBindMounts();
|
|
int doUnmount(const char *path, bool force);
|
|
int doMoveMount(const char *src, const char *dst, bool force);
|
|
void protectFromAutorunStupidity();
|
|
};
|
|
|
|
typedef android::List<Volume *> VolumeCollection;
|
|
|
|
#endif
|