platform_system_vold/DirectVolume.h
JP Abgrall 12e36398b5 am 099b20f3: am 1881395b: am c6752b06: Merge "vold: wildcard support for device path matching"
* commit '099b20f3ce42a49ba49a1a70a818047ea59612ad':
  vold: wildcard support for device path matching
2014-05-27 19:28:07 +00:00

92 lines
2.7 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 _DEVICEVOLUME_H
#define _DEVICEVOLUME_H
#include <utils/List.h>
#include "Volume.h"
class PathInfo {
public:
PathInfo(const char *pattern);
~PathInfo();
bool match(const char *path);
private:
bool warned;
char *pattern;
enum PatternType { prefix, wildcard };
PatternType patternType;
};
typedef android::List<PathInfo *> PathCollection;
class DirectVolume : public Volume {
public:
static const int MAX_PARTITIONS = 32;
protected:
const char* mMountpoint;
const char* mFuseMountpoint;
PathCollection *mPaths;
int mDiskMajor;
int mDiskMinor;
int mPartMinors[MAX_PARTITIONS];
int mOrigDiskMajor;
int mOrigDiskMinor;
int mOrigPartMinors[MAX_PARTITIONS];
int mDiskNumParts;
int mPendingPartCount;
int mIsDecrypted;
public:
DirectVolume(VolumeManager *vm, const fstab_rec* rec, int flags);
virtual ~DirectVolume();
int addPath(const char *path);
const char *getMountpoint() { return mMountpoint; }
const char *getFuseMountpoint() { return mFuseMountpoint; }
int handleBlockEvent(NetlinkEvent *evt);
dev_t getDiskDevice();
dev_t getShareDevice();
void handleVolumeShared();
void handleVolumeUnshared();
int getVolInfo(struct volume_info *v);
protected:
int getDeviceNodes(dev_t *devs, int max);
int updateDeviceInfo(char *new_path, int new_major, int new_minor);
virtual void revertDeviceInfo(void);
int isDecrypted() { return mIsDecrypted; }
private:
void handleDiskAdded(const char *devpath, NetlinkEvent *evt);
void handleDiskRemoved(const char *devpath, NetlinkEvent *evt);
void handleDiskChanged(const char *devpath, NetlinkEvent *evt);
void handlePartitionAdded(const char *devpath, NetlinkEvent *evt);
void handlePartitionRemoved(const char *devpath, NetlinkEvent *evt);
void handlePartitionChanged(const char *devpath, NetlinkEvent *evt);
int doMountVfat(const char *deviceNode, const char *mountPoint);
};
typedef android::List<DirectVolume *> DirectVolumeCollection;
#endif