mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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76 lines
2.8 KiB
C++
76 lines
2.8 KiB
C++
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/*
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* Copyright (c) 2019 Adubbz
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <switch.h>
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#include <stratosphere.hpp>
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#include "../ncm_types.hpp"
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#include "../ncm_path_utils.hpp"
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namespace sts::ncm::impl {
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class PlaceHolderAccessor {
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public:
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class CacheEntry {
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public:
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PlaceHolderId id;
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FILE* handle;
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u64 counter;
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};
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public:
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static constexpr size_t MaxCaches = 0x2;
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CacheEntry caches[MaxCaches];
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char* root_path;
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u64 cur_counter;
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HosMutex cache_mutex;
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MakePlaceHolderPathFunc make_placeholder_path_func;
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bool delay_flush;
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PlaceHolderAccessor() : cur_counter(0), delay_flush(false) {
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for (size_t i = 0; i < MaxCaches; i++) {
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caches[i].id = InvalidUuid;
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}
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}
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inline void GetPlaceHolderRootPath(char* out_placeholder_root) {
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path::GetPlaceHolderRootPath(out_placeholder_root, this->root_path);
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}
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inline void GetPlaceHolderPath(char* out_placeholder_path, PlaceHolderId placeholder_id) {
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char placeholder_root_path[FS_MAX_PATH] = {0};
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this->GetPlaceHolderRootPath(placeholder_root_path);
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this->make_placeholder_path_func(out_placeholder_path, placeholder_id, placeholder_root_path);
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}
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unsigned int GetDirectoryDepth();
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void GetPlaceHolderPathUncached(char* out_placeholder_path, PlaceHolderId placeholder_id);
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Result Create(PlaceHolderId placeholder_id, size_t size);
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Result Delete(PlaceHolderId placeholder_id);
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Result Open(FILE** out_handle, PlaceHolderId placeholder_id);
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Result SetSize(PlaceHolderId placeholder_id, size_t size);
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Result GetSize(bool* found_in_cache, size_t* out_size, PlaceHolderId placeholder_id);
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Result EnsureRecursively(PlaceHolderId placeholder_id);
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CacheEntry *FindInCache(PlaceHolderId placeholder_id);
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bool LoadFromCache(FILE** out_handle, PlaceHolderId placeholder_id);
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void FlushCache(FILE* handle, PlaceHolderId placeholder_id);
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void ClearAllCaches();
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};
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}
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