Volume.h revision 3bb6020e461e8872e8df0775cba6eb32e06b93ec
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 _VOLUME_H 18f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#define _VOLUME_H 19f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 20f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include <utils/List.h> 21f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 22fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehatclass NetlinkEvent; 23a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatclass VolumeManager; 24fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat 25f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatclass Volume { 26f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatprivate: 27f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat int mState; 28f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 29f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatpublic: 30f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat static const int State_Init = -1; 31a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat static const int State_NoMedia = 0; 32f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat static const int State_Idle = 1; 33f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat static const int State_Pending = 2; 34a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat static const int State_Checking = 3; 35a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat static const int State_Mounted = 4; 36a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat static const int State_Unmounting = 5; 37a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat static const int State_Formatting = 6; 38a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat static const int State_Shared = 7; 39a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat static const int State_SharedMnt = 8; 40f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 413bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat static const char *SECDIR; 423bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat static const char *SEC_STGDIR; 433bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat static const char *SEC_STG_SECIMGDIR; 443bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat static const char *SEC_ASECDIR; 453bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat static const char *ASECDIR; 463bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat 47f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatprotected: 48f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat char *mLabel; 49f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat char *mMountpoint; 50a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat VolumeManager *mVm; 51a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 52a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat /* 53a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * The major/minor tuple of the currently mounted filesystem. 54a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 55a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat dev_t mCurrentlyMountedKdev; 56f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 57f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatpublic: 58a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume(VolumeManager *vm, const char *label, const char *mount_point); 59f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat virtual ~Volume(); 60f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 61a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int mountVol(); 624ba8948dc16463053e21cda5744f519a555080d0San Mehat int unmountVol(bool force); 63a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int formatVol(); 6449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 65f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat const char *getLabel() { return mLabel; } 66f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat const char *getMountpoint() { return mMountpoint; } 67f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat int getState() { return mState; } 68f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 69fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat virtual int handleBlockEvent(NetlinkEvent *evt); 70a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat virtual dev_t getDiskDevice(); 71a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat virtual void handleVolumeShared(); 72a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat virtual void handleVolumeUnshared(); 73f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 74f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatprotected: 75f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat void setState(int state); 7649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 77a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat virtual int getDeviceNodes(dev_t *devs, int max) = 0; 7849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 79dd9b8e92aaf330b48ddb40a7380588ef92b53de6San Mehat int createDeviceNode(const char *path, int major, int minor); 80dd9b8e92aaf330b48ddb40a7380588ef92b53de6San Mehat 8149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehatprivate: 82a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int initializeMbr(const char *deviceNode); 83a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat bool isMountpointMounted(const char *path); 843bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat int createBindMounts(); 853bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat int doUnmount(const char *path, bool force); 863bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat int doMoveMount(const char *src, const char *dst, bool force); 87f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat}; 88f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 89f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehattypedef android::List<Volume *> VolumeCollection; 90f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 91f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#endif 92