ppsspp/Core/FileLoaders/HTTPFileLoader.h
Simonas Kazlauskas 597a1af85c Add conservative locking arond Caching/HTTP FLs
Making them hopefully thread-safe.
2017-06-24 21:06:18 +03:00

70 lines
1.9 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 <mutex>
#include "net/http_client.h"
#include "net/resolve.h"
#include "net/url.h"
#include "Common/CommonTypes.h"
#include "Core/Loaders.h"
class HTTPFileLoader : public FileLoader {
public:
HTTPFileLoader(const std::string &filename);
virtual ~HTTPFileLoader() override;
virtual bool Exists() override;
virtual bool ExistsFast() override;
virtual bool IsDirectory() override;
virtual s64 FileSize() override;
virtual std::string Path() const override;
virtual 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;
}
virtual size_t ReadAt(s64 absolutePos, size_t bytes, void *data, Flags flags = Flags::NONE) override;
private:
void Prepare();
void Connect() {
if (!connected_) {
connected_ = client_.Connect();
}
}
void Disconnect() {
if (connected_) {
client_.Disconnect();
}
connected_ = false;
}
s64 filesize_;
s64 filepos_;
Url url_;
http::Client client_;
std::string filename_;
bool connected_;
std::once_flag preparedFlag_;
std::mutex readAtMutex_;
};