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registration: Add RegisteredCacheUnion

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Aggregates multiple caches into one interface
This commit is contained in:
Zach Hilman
2018-08-25 19:00:36 -04:00
parent d2caf4af7d
commit 9951f6d054
4 changed files with 164 additions and 0 deletions
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40
src/core/file_sys/registered_cache.h
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@ -43,6 +43,10 @@ struct RegisteredCacheEntry {
std::string DebugInfo() const;
};
constexpr inline u64 GetUpdateTitleID(u64 base_title_id) {
return base_title_id | 0x800;
}
// boost flat_map requires operator< for O(log(n)) lookups.
bool operator<(const RegisteredCacheEntry& lhs, const RegisteredCacheEntry& rhs);
@ -60,6 +64,8 @@ bool operator<(const RegisteredCacheEntry& lhs, const RegisteredCacheEntry& rhs)
* 4GB splitting can be ignored.)
*/
class RegisteredCache {
friend class RegisteredCacheUnion;
public:
// Parsing function defines the conversion from raw file to NCA. If there are other steps
// besides creating the NCA from the file (e.g. NAX0 on SD Card), that should go in a custom
@ -74,6 +80,8 @@ public:
bool HasEntry(u64 title_id, ContentRecordType type) const;
bool HasEntry(RegisteredCacheEntry entry) const;
boost::optional<u32> GetEntryVersion(u64 title_id) const;
VirtualFile GetEntryUnparsed(u64 title_id, ContentRecordType type) const;
VirtualFile GetEntryUnparsed(RegisteredCacheEntry entry) const;
@ -131,4 +139,36 @@ private:
boost::container::flat_map<u64, CNMT> yuzu_meta;
};
// Combines multiple RegisteredCaches (i.e. SysNAND, UserNAND, SDMC) into one interface.
class RegisteredCacheUnion {
public:
explicit RegisteredCacheUnion(std::vector<std::shared_ptr<RegisteredCache>> caches);
void Refresh();
bool HasEntry(u64 title_id, ContentRecordType type) const;
bool HasEntry(RegisteredCacheEntry entry) const;
boost::optional<u32> GetEntryVersion(u64 title_id) const;
VirtualFile GetEntryUnparsed(u64 title_id, ContentRecordType type) const;
VirtualFile GetEntryUnparsed(RegisteredCacheEntry entry) const;
VirtualFile GetEntryRaw(u64 title_id, ContentRecordType type) const;
VirtualFile GetEntryRaw(RegisteredCacheEntry entry) const;
std::shared_ptr<NCA> GetEntry(u64 title_id, ContentRecordType type) const;
std::shared_ptr<NCA> GetEntry(RegisteredCacheEntry entry) const;
std::vector<RegisteredCacheEntry> ListEntries() const;
// If a parameter is not boost::none, it will be filtered for from all entries.
std::vector<RegisteredCacheEntry> ListEntriesFilter(
boost::optional<TitleType> title_type = boost::none,
boost::optional<ContentRecordType> record_type = boost::none,
boost::optional<u64> title_id = boost::none) const;
private:
std::vector<std::shared_ptr<RegisteredCache>> caches;
};
} // namespace FileSys