Volume.h revision a2677e4ad01f250b0765f04adf0acfa6627efc98
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 41f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatprotected: 42f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat char *mLabel; 43f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat char *mMountpoint; 44a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat VolumeManager *mVm; 45a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 46a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat /* 47a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * The major/minor tuple of the currently mounted filesystem. 48a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 49a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat dev_t mCurrentlyMountedKdev; 50f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 51f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatpublic: 52a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume(VolumeManager *vm, const char *label, const char *mount_point); 53f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat virtual ~Volume(); 54f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 55a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int mountVol(); 56a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int unmountVol(); 57a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int formatVol(); 5849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 59f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat const char *getLabel() { return mLabel; } 60f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat const char *getMountpoint() { return mMountpoint; } 61f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat int getState() { return mState; } 62f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 63fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat virtual int handleBlockEvent(NetlinkEvent *evt); 64a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat virtual dev_t getDiskDevice(); 65a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat virtual void handleVolumeShared(); 66a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat virtual void handleVolumeUnshared(); 67f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 68f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatprotected: 69f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat void setState(int state); 7049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 71a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat virtual int getDeviceNodes(dev_t *devs, int max) = 0; 7249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 73dd9b8e92aaf330b48ddb40a7380588ef92b53de6San Mehat int createDeviceNode(const char *path, int major, int minor); 74dd9b8e92aaf330b48ddb40a7380588ef92b53de6San Mehat 7549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehatprivate: 7649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat int checkFilesystem(const char *nodepath); 77a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int doMountVfat(const char *deviceNode, const char *mountPoint); 78a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int doFormatVfat(const char *deviceNode); 79a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int initializeMbr(const char *deviceNode); 80a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat bool isMountpointMounted(const char *path); 81f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat}; 82f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 83f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehattypedef android::List<Volume *> VolumeCollection; 84f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 85f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#endif 86