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fs: implement FileHandleStorage (#857)

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* fs: implement FileHandleStorage

* fs: merge FileHandleStorage into file_storage TU

Co-authored-by: Michael Scire <SciresM@gmail.com>
This commit is contained in:
Adubbz
2020-03-28 05:45:02 +11:00
committed by GitHub
parent 3d518759da
commit 0c161a4c1b
3 changed files with 105 additions and 4 deletions
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37
libraries/libstratosphere/include/stratosphere/fs/fs_file_storage.hpp
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@@ -14,13 +14,14 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "fs_common.hpp"
#include "fs_istorage.hpp"
#include "fsa/fs_ifile.hpp"
#include <stratosphere/fs/fs_common.hpp>
#include <stratosphere/fs/fs_istorage.hpp>
#include <stratosphere/fs/fsa/fs_ifile.hpp>
#include <stratosphere/fs/impl/fs_newable.hpp>
namespace ams::fs {
class FileStorage : public IStorage {
class FileStorage : public IStorage, public impl::Newable {
private:
static constexpr s64 InvalidSize = -1;
private:
@@ -53,4 +54,32 @@ namespace ams::fs {
virtual Result OperateRange(void *dst, size_t dst_size, OperationId op_id, s64 offset, s64 size, const void *src, size_t src_size) override;
};
class FileHandleStorage : public IStorage, public impl::Newable {
private:
static constexpr s64 InvalidSize = -1;
private:
FileHandle handle;
bool close_file;
s64 size;
os::Mutex mutex;
public:
constexpr explicit FileHandleStorage(FileHandle handle, bool close_file) : handle(handle), close_file(close_file), size(InvalidSize), mutex() { /* ... */ }
constexpr explicit FileHandleStorage(FileHandle handle) : FileHandleStorage(handle, false) { /* ... */ }
virtual ~FileHandleStorage() override {
if (this->close_file) {
CloseFile(this->handle);
}
}
protected:
Result UpdateSize();
public:
virtual Result Read(s64 offset, void *buffer, size_t size) override;
virtual Result Write(s64 offset, const void *buffer, size_t size) override;
virtual Result Flush() override;
virtual Result GetSize(s64 *out_size) override;
virtual Result SetSize(s64 size) override;
virtual Result OperateRange(void *dst, size_t dst_size, OperationId op_id, s64 offset, s64 size, const void *src, size_t src_size) override;
};
}