Volume.h revision 29d8da8cefa99e436c13295d4c9bad060ca18a6d
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 47fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root static const char *LOOPDIR; 48fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 49f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatprotected: 50f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat char *mLabel; 51f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat char *mMountpoint; 52a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat VolumeManager *mVm; 53d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat bool mDebug; 54a4886f1f8ed72e24a302a91a0ab18bc54b6f585eMike Lockwood int mPartIdx; 55a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 56a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat /* 57a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * The major/minor tuple of the currently mounted filesystem. 58a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 59a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat dev_t mCurrentlyMountedKdev; 60f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 61f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatpublic: 62a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume(VolumeManager *vm, const char *label, const char *mount_point); 63f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat virtual ~Volume(); 64f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 65a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int mountVol(); 664ba8948dc16463053e21cda5744f519a555080d0San Mehat int unmountVol(bool force); 67a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int formatVol(); 6849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 69f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat const char *getLabel() { return mLabel; } 70f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat const char *getMountpoint() { return mMountpoint; } 71f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat int getState() { return mState; } 72f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 73fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat virtual int handleBlockEvent(NetlinkEvent *evt); 74a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat virtual dev_t getDiskDevice(); 752dfe297ec47559dbe2297a72bea71cf515c03797Mike Lockwood virtual dev_t getShareDevice(); 76a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat virtual void handleVolumeShared(); 77a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat virtual void handleVolumeUnshared(); 78f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 79d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat void setDebug(bool enable); 8029d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall virtual int getVolInfo(struct volume_info *v) = 0; 81d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 82f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatprotected: 83f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat void setState(int state); 8449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 85a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat virtual int getDeviceNodes(dev_t *devs, int max) = 0; 8629d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall virtual int updateDeviceInfo(char *new_path, int new_major, int new_minor) = 0; 8729d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall virtual int isDecrypted(void) = 0; 8829d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall virtual int getFlags(void) = 0; 8949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 90dd9b8e92aaf330b48ddb40a7380588ef92b53de6San Mehat int createDeviceNode(const char *path, int major, int minor); 91dd9b8e92aaf330b48ddb40a7380588ef92b53de6San Mehat 9249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehatprivate: 93a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int initializeMbr(const char *deviceNode); 94a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat bool isMountpointMounted(const char *path); 953bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat int createBindMounts(); 963bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat int doUnmount(const char *path, bool force); 973bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat int doMoveMount(const char *src, const char *dst, bool force); 98cb4dac8a5243f6673b0590019b5b28a01bd3e343San Mehat void protectFromAutorunStupidity(); 99f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat}; 100f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 101f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehattypedef android::List<Volume *> VolumeCollection; 102f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 103f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#endif 104