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 #define MAX_PARTS 4 25 26 typedef android::List<char *> PathCollection; 27 28 class DirectVolume : public Volume { 29 public: 30 static const int MAX_PARTITIONS = 4; 31 protected: 32 PathCollection *mPaths; 33 int mDiskMajor; 34 int mDiskMinor; 35 int mPartMinors[MAX_PARTITIONS]; 36 int mDiskNumParts; 37 unsigned char mPendingPartMap; 38 39 public: 40 DirectVolume(VolumeManager *vm, const char *label, const char *mount_point, int partIdx); 41 virtual ~DirectVolume(); 42 43 int addPath(const char *path); 44 45 int handleBlockEvent(NetlinkEvent *evt); 46 dev_t getDiskDevice(); 47 dev_t getShareDevice(); 48 void handleVolumeShared(); 49 void handleVolumeUnshared(); 50 51 protected: 52 int getDeviceNodes(dev_t *devs, int max); 53 54 private: 55 void handleDiskAdded(const char *devpath, NetlinkEvent *evt); 56 void handleDiskRemoved(const char *devpath, NetlinkEvent *evt); 57 void handleDiskChanged(const char *devpath, NetlinkEvent *evt); 58 void handlePartitionAdded(const char *devpath, NetlinkEvent *evt); 59 void handlePartitionRemoved(const char *devpath, NetlinkEvent *evt); 60 void handlePartitionChanged(const char *devpath, NetlinkEvent *evt); 61 62 int doMountVfat(const char *deviceNode, const char *mountPoint); 63 64 }; 65 66 typedef android::List<DirectVolume *> DirectVolumeCollection; 67 68 #endif 69
