ppsspp/Core/FileLoaders/RetryingFileLoader.h
Unknown W. Brackets 65c7d0bd04 Add uncached flag for file loader reads.
This allows us to indicate that a read need not be cached.
2016-07-04 12:07:15 -07:00

53 lines
1.7 KiB
C++

// Copyright (c) 2012- PPSSPP Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0 or later versions.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#pragma once
#include "Common/CommonTypes.h"
#include "Core/Loaders.h"
class RetryingFileLoader : public FileLoader {
public:
RetryingFileLoader(FileLoader *backend);
~RetryingFileLoader() override;
bool Exists() override;
bool ExistsFast() override;
bool IsDirectory() override;
s64 FileSize() override;
std::string Path() const override;
void Seek(s64 absolutePos) override;
size_t Read(size_t bytes, size_t count, void *data, Flags flags = Flags::NONE) override {
return ReadAt(filepos_, bytes, count, data, flags);
}
size_t Read(size_t bytes, void *data, Flags flags = Flags::NONE) override {
return ReadAt(filepos_, bytes, data, flags);
}
size_t ReadAt(s64 absolutePos, size_t bytes, size_t count, void *data, Flags flags = Flags::NONE) override {
return ReadAt(absolutePos, bytes * count, data, flags) / bytes;
}
size_t ReadAt(s64 absolutePos, size_t bytes, void *data, Flags flags = Flags::NONE) override;
private:
enum {
MAX_RETRIES = 3,
};
s64 filepos_;
FileLoader *backend_;
};