The Android Open Source Project | c24a8e6 | 2009-03-03 19:28:42 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2007 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 | |
xunchang | 2478885 | 2019-03-22 16:08:52 -0700 | [diff] [blame] | 17 | #pragma once |
The Android Open Source Project | c24a8e6 | 2009-03-03 19:28:42 -0800 | [diff] [blame] | 18 | |
Tao Bao | 3e18f2b | 2017-09-29 17:11:13 -0700 | [diff] [blame] | 19 | #include <string> |
| 20 | |
Tom Cherry | 72a114a | 2019-01-30 15:59:53 -0800 | [diff] [blame] | 21 | #include <fstab/fstab.h> |
| 22 | |
| 23 | using Volume = android::fs_mgr::FstabEntry; |
The Android Open Source Project | c24a8e6 | 2009-03-03 19:28:42 -0800 | [diff] [blame] | 24 | |
Doug Zongker | cc8cd3f | 2010-09-20 12:16:13 -0700 | [diff] [blame] | 25 | // Load and parse volume data from /etc/recovery.fstab. |
| 26 | void load_volume_table(); |
The Android Open Source Project | c24a8e6 | 2009-03-03 19:28:42 -0800 | [diff] [blame] | 27 | |
Tao Bao | 3e18f2b | 2017-09-29 17:11:13 -0700 | [diff] [blame] | 28 | // Return the Volume* record for this mount point (or nullptr). |
| 29 | Volume* volume_for_mount_point(const std::string& mount_point); |
The Android Open Source Project | c24a8e6 | 2009-03-03 19:28:42 -0800 | [diff] [blame] | 30 | |
Doug Zongker | cc8cd3f | 2010-09-20 12:16:13 -0700 | [diff] [blame] | 31 | // Make sure that the volume 'path' is on is mounted. Returns 0 on |
| 32 | // success (volume is mounted). |
Yifan Hong | d81b8e3 | 2018-12-17 14:29:06 -0800 | [diff] [blame] | 33 | int ensure_path_mounted(const std::string& path); |
The Android Open Source Project | c24a8e6 | 2009-03-03 19:28:42 -0800 | [diff] [blame] | 34 | |
Tao Bao | abb8f77 | 2015-07-30 14:43:27 -0700 | [diff] [blame] | 35 | // Similar to ensure_path_mounted, but allows one to specify the mount_point. |
Yifan Hong | d81b8e3 | 2018-12-17 14:29:06 -0800 | [diff] [blame] | 36 | int ensure_path_mounted_at(const std::string& path, const std::string& mount_point); |
Tao Bao | abb8f77 | 2015-07-30 14:43:27 -0700 | [diff] [blame] | 37 | |
| 38 | // Make sure that the volume 'path' is on is unmounted. Returns 0 on |
Doug Zongker | cc8cd3f | 2010-09-20 12:16:13 -0700 | [diff] [blame] | 39 | // success (volume is unmounted); |
Yifan Hong | d81b8e3 | 2018-12-17 14:29:06 -0800 | [diff] [blame] | 40 | int ensure_path_unmounted(const std::string& path); |
The Android Open Source Project | c24a8e6 | 2009-03-03 19:28:42 -0800 | [diff] [blame] | 41 | |
Doug Zongker | cc8cd3f | 2010-09-20 12:16:13 -0700 | [diff] [blame] | 42 | // Reformat the given volume (must be the mount point only, eg |
| 43 | // "/cache"), no paths permitted. Attempts to unmount the volume if |
| 44 | // it is mounted. |
Yifan Hong | d81b8e3 | 2018-12-17 14:29:06 -0800 | [diff] [blame] | 45 | int format_volume(const std::string& volume); |
The Android Open Source Project | c24a8e6 | 2009-03-03 19:28:42 -0800 | [diff] [blame] | 46 | |
Paul Lawrence | d0db337 | 2015-11-05 13:38:40 -0800 | [diff] [blame] | 47 | // Reformat the given volume (must be the mount point only, eg |
| 48 | // "/cache"), no paths permitted. Attempts to unmount the volume if |
| 49 | // it is mounted. |
| 50 | // Copies 'directory' to root of the newly formatted volume |
Yifan Hong | d81b8e3 | 2018-12-17 14:29:06 -0800 | [diff] [blame] | 51 | int format_volume(const std::string& volume, const std::string& directory); |
Paul Lawrence | d0db337 | 2015-11-05 13:38:40 -0800 | [diff] [blame] | 52 | |
Doug Zongker | 239ac6a | 2013-08-20 16:03:25 -0700 | [diff] [blame] | 53 | // Ensure that all and only the volumes that packages expect to find |
| 54 | // mounted (/tmp and /cache) are mounted. Returns 0 on success. |
| 55 | int setup_install_mounts(); |
Tianjie Xu | 164c60a | 2019-05-15 13:59:39 -0700 | [diff] [blame^] | 56 | |
| 57 | // Returns true if there is /cache in the volumes. |
| 58 | bool HasCache(); |