VolumeManager.h revision 508c0e1605b795bbb51cb47d955b89f3df26ca94
1f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat/* 2f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * Copyright (C) 2008 The Android Open Source Project 3f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * 4f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * Licensed under the Apache License, Version 2.0 (the "License"); 5f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * you may not use this file except in compliance with the License. 6f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * You may obtain a copy of the License at 7f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * 8f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * http://www.apache.org/licenses/LICENSE-2.0 9f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * 10f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * Unless required by applicable law or agreed to in writing, software 11f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * distributed under the License is distributed on an "AS IS" BASIS, 12f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * See the License for the specific language governing permissions and 14f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * limitations under the License. 15f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat */ 16f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 17f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#ifndef _VOLUMEMANAGER_H 18f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#define _VOLUMEMANAGER_H 19f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 20f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include <pthread.h> 21f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 22f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include <utils/List.h> 23f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include <sysutils/SocketListener.h> 24f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 25f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include "Volume.h" 26f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 27acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root/* The length of an MD5 hash when encoded into ASCII hex characters */ 28acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root#define MD5_ASCII_LENGTH_PLUS_NULL ((MD5_DIGEST_LENGTH*2)+1) 29acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root 3088705166ab82057090a070c6d4200c3d9db76f11San Mehattypedef android::List<char *> AsecIdCollection; 3188705166ab82057090a070c6d4200c3d9db76f11San Mehat 32f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatclass VolumeManager { 33f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatprivate: 34f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat static VolumeManager *sInstance; 35f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 36f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatprivate: 37f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat SocketListener *mBroadcaster; 38f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 39f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat VolumeCollection *mVolumes; 4088705166ab82057090a070c6d4200c3d9db76f11San Mehat AsecIdCollection *mActiveContainers; 4199635f6c289fe2528c226403ea215c917ce86037Mike Lockwood bool mUsbMassStorageEnabled; 4299635f6c289fe2528c226403ea215c917ce86037Mike Lockwood bool mUsbConnected; 43d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat bool mDebug; 44f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 45f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatpublic: 46f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat virtual ~VolumeManager(); 47f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 48f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat int start(); 49f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat int stop(); 50f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 51fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat void handleBlockEvent(NetlinkEvent *evt); 52a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat void handleSwitchEvent(NetlinkEvent *evt); 5399635f6c289fe2528c226403ea215c917ce86037Mike Lockwood void handleUsbCompositeEvent(NetlinkEvent *evt); 54f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 55f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat int addVolume(Volume *v); 56f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 57f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat int listVolumes(SocketClient *cli); 5849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat int mountVolume(const char *label); 594ba8948dc16463053e21cda5744f519a555080d0San Mehat int unmountVolume(const char *label, bool force); 60a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int shareVolume(const char *label, const char *method); 61a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int unshareVolume(const char *label, const char *method); 62a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int shareAvailable(const char *method, bool *avail); 63eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat int shareEnabled(const char *path, const char *method, bool *enabled); 64a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int simulate(const char *cmd, const char *arg); 65a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int formatVolume(const char *label); 66fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 67fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root /* ASEC */ 688b8f71b1d760411279f3b07a5c97709f052c689eSan Mehat int createAsec(const char *id, unsigned numSectors, const char *fstype, 69a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat const char *key, int ownerUid); 70a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat int finalizeAsec(const char *id); 714ba8948dc16463053e21cda5744f519a555080d0San Mehat int destroyAsec(const char *id, bool force); 72a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat int mountAsec(const char *id, const char *key, int ownerUid); 734ba8948dc16463053e21cda5744f519a555080d0San Mehat int unmountAsec(const char *id, bool force); 74048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat int renameAsec(const char *id1, const char *id2); 75a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat int getAsecMountPath(const char *id, char *buffer, int maxlen); 76f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 77fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root /* Loopback images */ 78508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root int listMountedObbs(SocketClient* cli); 79508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root int mountObb(const char *fileName, const char *key, int ownerUid); 80508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root int unmountObb(const char *fileName, bool force); 81508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root int getObbMountPath(const char *id, char *buffer, int maxlen); 82fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 83fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root /* Shared between ASEC and Loopback images */ 84fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root int unmountLoopImage(const char *containerId, const char *loopId, 85fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root const char *fileName, const char *mountPoint, bool force); 86fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 87d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat void setDebug(bool enable); 88d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 891a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat // XXX: Post froyo this should be moved and cleaned up 901a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat int cleanupAsec(Volume *v, bool force); 910cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat 92f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat void setBroadcaster(SocketListener *sl) { mBroadcaster = sl; } 93f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat SocketListener *getBroadcaster() { return mBroadcaster; } 94f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 95f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat static VolumeManager *Instance(); 96f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 97d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat static char *asecHash(const char *id, char *buffer, size_t len); 981a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat 99f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatprivate: 100f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat VolumeManager(); 10199635f6c289fe2528c226403ea215c917ce86037Mike Lockwood void readInitialState(); 10249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat Volume *lookupVolume(const char *label); 103a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat bool isMountpointMounted(const char *mp); 10499635f6c289fe2528c226403ea215c917ce86037Mike Lockwood 10599635f6c289fe2528c226403ea215c917ce86037Mike Lockwood inline bool massStorageAvailable() const { return mUsbMassStorageEnabled && mUsbConnected; } 10699635f6c289fe2528c226403ea215c917ce86037Mike Lockwood void notifyUmsAvailable(bool available); 107f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat}; 108f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#endif 109