1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef _DEVICEVOLUME_H 18 #define _DEVICEVOLUME_H 19 20 #include <utils/List.h> 21 22 #include "Volume.h" 23 24 class PathInfo { 25 public: 26 PathInfo(const char *pattern); 27 ~PathInfo(); 28 bool match(const char *path); 29 private: 30 bool warned; 31 char *pattern; 32 enum PatternType { prefix, wildcard }; 33 PatternType patternType; 34 }; 35 36 typedef android::List<PathInfo *> PathCollection; 37 38 class DirectVolume : public Volume { 39 public: 40 static const int MAX_PARTITIONS = 32; 41 protected: 42 const char* mMountpoint; 43 const char* mFuseMountpoint; 44 45 PathCollection *mPaths; 46 int mDiskMajor; 47 int mDiskMinor; 48 int mPartMinors[MAX_PARTITIONS]; 49 int mOrigDiskMajor; 50 int mOrigDiskMinor; 51 int mOrigPartMinors[MAX_PARTITIONS]; 52 int mDiskNumParts; 53 int mPendingPartCount; 54 int mIsDecrypted; 55 56 public: 57 DirectVolume(VolumeManager *vm, const fstab_rec* rec, int flags); 58 virtual ~DirectVolume(); 59 60 int addPath(const char *path); 61 62 const char *getMountpoint() { return mMountpoint; } 63 const char *getFuseMountpoint() { return mFuseMountpoint; } 64 65 int handleBlockEvent(NetlinkEvent *evt); 66 dev_t getDiskDevice(); 67 dev_t getShareDevice(); 68 void handleVolumeShared(); 69 void handleVolumeUnshared(); 70 int getVolInfo(struct volume_info *v); 71 72 protected: 73 int getDeviceNodes(dev_t *devs, int max); 74 int updateDeviceInfo(char *new_path, int new_major, int new_minor); 75 virtual void revertDeviceInfo(void); 76 int isDecrypted() { return mIsDecrypted; } 77 78 private: 79 void handleDiskAdded(const char *devpath, NetlinkEvent *evt); 80 void handleDiskRemoved(const char *devpath, NetlinkEvent *evt); 81 void handleDiskChanged(const char *devpath, NetlinkEvent *evt); 82 void handlePartitionAdded(const char *devpath, NetlinkEvent *evt); 83 void handlePartitionRemoved(const char *devpath, NetlinkEvent *evt); 84 void handlePartitionChanged(const char *devpath, NetlinkEvent *evt); 85 86 int doMountVfat(const char *deviceNode, const char *mountPoint); 87 88 }; 89 90 typedef android::List<DirectVolume *> DirectVolumeCollection; 91 92 #endif 93
