VolumeManager.h revision 88705166ab82057090a070c6d4200c3d9db76f11
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 _VOLUMEMANAGER_H 18#define _VOLUMEMANAGER_H 19 20#include <pthread.h> 21 22#include <utils/List.h> 23#include <sysutils/SocketListener.h> 24 25#include "BlockDevice.h" 26#include "Volume.h" 27 28typedef android::List<char *> AsecIdCollection; 29 30class VolumeManager { 31private: 32 static VolumeManager *sInstance; 33 34private: 35 SocketListener *mBroadcaster; 36 BlockDeviceCollection *mBlockDevices; 37 38 VolumeCollection *mVolumes; 39 AsecIdCollection *mActiveContainers; 40 bool mUsbMassStorageConnected; 41 42public: 43 virtual ~VolumeManager(); 44 45 int start(); 46 int stop(); 47 48 void handleBlockEvent(NetlinkEvent *evt); 49 void handleSwitchEvent(NetlinkEvent *evt); 50 51 int addVolume(Volume *v); 52 53 int listVolumes(SocketClient *cli); 54 int mountVolume(const char *label); 55 int unmountVolume(const char *label); 56 int shareVolume(const char *label, const char *method); 57 int unshareVolume(const char *label, const char *method); 58 int shareAvailable(const char *method, bool *avail); 59 int simulate(const char *cmd, const char *arg); 60 int formatVolume(const char *label); 61 int createAsec(const char *id, unsigned numSectors, const char *fstype, 62 const char *key, int ownerUid); 63 int finalizeAsec(const char *id); 64 int destroyAsec(const char *id); 65 int mountAsec(const char *id, const char *key, int ownerUid); 66 int unmountAsec(const char *id); 67 int getAsecMountPath(const char *id, char *buffer, int maxlen); 68 69 // XXX: This should be moved private once switch uevents are working 70 void notifyUmsConnected(bool connected); 71 72 void setBroadcaster(SocketListener *sl) { mBroadcaster = sl; } 73 SocketListener *getBroadcaster() { return mBroadcaster; } 74 75 static VolumeManager *Instance(); 76 77private: 78 VolumeManager(); 79 Volume *lookupVolume(const char *label); 80 bool isMountpointMounted(const char *mp); 81}; 82#endif 83