| paul@272 | 1 | /* |
| paul@272 | 2 | * An opener for regions of a memory card. |
| paul@272 | 3 | * |
| paul@272 | 4 | * Copyright (C) 2021, 2022, 2024 Paul Boddie <paul@boddie.org.uk> |
| paul@272 | 5 | * |
| paul@272 | 6 | * This program is free software; you can redistribute it and/or |
| paul@272 | 7 | * modify it under the terms of the GNU General Public License as |
| paul@272 | 8 | * published by the Free Software Foundation; either version 2 of |
| paul@272 | 9 | * the License, or (at your option) any later version. |
| paul@272 | 10 | * |
| paul@272 | 11 | * This program is distributed in the hope that it will be useful, |
| paul@272 | 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| paul@272 | 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| paul@272 | 14 | * GNU General Public License for more details. |
| paul@272 | 15 | * |
| paul@272 | 16 | * You should have received a copy of the GNU General Public License |
| paul@272 | 17 | * along with this program; if not, write to the Free Software |
| paul@272 | 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| paul@272 | 19 | * Boston, MA 02110-1301, USA |
| paul@272 | 20 | */ |
| paul@272 | 21 | |
| paul@272 | 22 | #pragma once |
| paul@272 | 23 | |
| paul@272 | 24 | #include <mutex> |
| paul@272 | 25 | |
| paul@272 | 26 | #include <fsserver/opener_resource.h> |
| paul@272 | 27 | |
| paul@272 | 28 | #include "msc_region_operations.h" |
| paul@272 | 29 | |
| paul@272 | 30 | |
| paul@272 | 31 | |
| paul@272 | 32 | /* Support for providing access to memory card regions. */ |
| paul@272 | 33 | |
| paul@272 | 34 | class MscRegionOpener : public OpenerResource |
| paul@272 | 35 | { |
| paul@272 | 36 | protected: |
| paul@272 | 37 | MscRegionOperations *_ops; |
| paul@272 | 38 | std::mutex _lock; |
| paul@272 | 39 | |
| paul@272 | 40 | public: |
| paul@272 | 41 | explicit MscRegionOpener(ResourceRegistry *registry, MscRegionOperations *ops) |
| paul@272 | 42 | : OpenerResource(registry), _ops(ops) |
| paul@272 | 43 | { |
| paul@272 | 44 | } |
| paul@272 | 45 | |
| paul@272 | 46 | virtual ~MscRegionOpener(); |
| paul@272 | 47 | |
| paul@272 | 48 | /* Convenience methods determining different object types. */ |
| paul@272 | 49 | |
| paul@272 | 50 | virtual bool accessing_directory(flags_t flags, fileid_t fileid); |
| paul@272 | 51 | |
| paul@272 | 52 | virtual bool accessing_file(flags_t flags, fileid_t fileid); |
| paul@272 | 53 | |
| paul@272 | 54 | virtual bool directory_is_empty(fileid_t fileid); |
| paul@272 | 55 | |
| paul@272 | 56 | /* File opening methods. */ |
| paul@272 | 57 | |
| paul@272 | 58 | virtual long get_fileid(const char *path, flags_t flags, fileid_t *fileid); |
| paul@272 | 59 | |
| paul@272 | 60 | virtual long make_accessor(flags_t flags, fileid_t fileid, |
| paul@272 | 61 | Accessor **accessor); |
| paul@272 | 62 | |
| paul@272 | 63 | virtual long make_directory_accessor(flags_t flags, fileid_t fileid, |
| paul@272 | 64 | DirectoryAccessor **accessor); |
| paul@272 | 65 | |
| paul@272 | 66 | /* Filesystem object access and manipulation methods. */ |
| paul@272 | 67 | |
| paul@272 | 68 | virtual long make_directory_object(const char *path, sys_mode_t mode); |
| paul@272 | 69 | |
| paul@272 | 70 | virtual long remove_object(fileid_t fileid); |
| paul@272 | 71 | |
| paul@272 | 72 | virtual long rename_object(const char *source, const char *target); |
| paul@272 | 73 | |
| paul@272 | 74 | virtual long stat_object(const char *path, void *base, offset_t size); |
| paul@272 | 75 | |
| paul@272 | 76 | virtual long unlink_object(fileid_t parent_fileid, fileid_t fileid); |
| paul@272 | 77 | }; |
| paul@272 | 78 | |
| paul@272 | 79 | // vim: tabstop=4 expandtab shiftwidth=4 |
