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Refactor placeholder cacheing

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This commit is contained in:
Adubbz
2019-08-08 18:07:51 +10:00
parent e528269b53
commit 1aa4c12e5e
3 changed files with 142 additions and 149 deletions
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33
stratosphere/ncm/source/impl/ncm_placeholder_accessor.hpp
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@@ -24,53 +24,56 @@
namespace sts::ncm::impl {
class PlaceHolderAccessor {
public:
private:
class CacheEntry {
public:
PlaceHolderId id;
FILE* handle;
u64 counter;
};
public:
private:
static constexpr size_t MaxCaches = 0x2;
CacheEntry caches[MaxCaches];
std::array<CacheEntry, MaxCaches> caches;
char* root_path;
u64 cur_counter;
HosMutex cache_mutex;
MakePlaceHolderPathFunc make_placeholder_path_func;
bool delay_flush;
private:
Result Open(FILE** out_handle, PlaceHolderId placeholder_id);
CacheEntry *FindInCache(PlaceHolderId placeholder_id);
bool LoadFromCache(FILE** out_handle, PlaceHolderId placeholder_id);
CacheEntry *GetFreeEntry();
void StoreToCache(FILE* handle, PlaceHolderId placeholder_id);
void Invalidate(CacheEntry *entry);
public:
PlaceHolderAccessor() : cur_counter(0), delay_flush(false) {
for (size_t i = 0; i < MaxCaches; i++) {
caches[i].id = InvalidUuid;
}
}
inline void GetPlaceHolderRootPath(char* out_placeholder_root) {
inline void MakeRootPath(char* out_placeholder_root) {
path::GetPlaceHolderRootPath(out_placeholder_root, this->root_path);
}
inline void GetPlaceHolderPath(char* out_placeholder_path, PlaceHolderId placeholder_id) {
inline void MakePath(char* out_placeholder_path, PlaceHolderId placeholder_id) {
char placeholder_root_path[FS_MAX_PATH] = {0};
this->GetPlaceHolderRootPath(placeholder_root_path);
this->MakeRootPath(placeholder_root_path);
this->make_placeholder_path_func(out_placeholder_path, placeholder_id, placeholder_root_path);
}
void Initialize(char* root, MakePlaceHolderPathFunc path_func, bool delay_flush);
unsigned int GetDirectoryDepth();
void GetPlaceHolderPathUncached(char* out_placeholder_path, PlaceHolderId placeholder_id);
void GetPath(char* out_placeholder_path, PlaceHolderId placeholder_id);
Result Create(PlaceHolderId placeholder_id, size_t size);
Result Delete(PlaceHolderId placeholder_id);
Result Open(FILE** out_handle, PlaceHolderId placeholder_id);
Result Write(PlaceHolderId placeholder_id, size_t offset, const void* buffer, size_t size);
Result SetSize(PlaceHolderId placeholder_id, size_t size);
Result GetSize(bool* found_in_cache, size_t* out_size, PlaceHolderId placeholder_id);
Result EnsureRecursively(PlaceHolderId placeholder_id);
CacheEntry *FindInCache(PlaceHolderId placeholder_id);
bool LoadFromCache(FILE** out_handle, PlaceHolderId placeholder_id);
void StoreToCache(FILE* handle, PlaceHolderId placeholder_id);
void ClearAllCaches();
void InvalidateAll();
};
}