Play-/Source/s3stream/S3ObjectStream.h
2019-10-23 20:48:46 -04:00

44 lines
944 B
C++

#pragma once
#include "Singleton.h"
#include "Stream.h"
#include "filesystem_def.h"
class CS3ObjectStream : public Framework::CStream
{
public:
class CConfig : public CSingleton<CConfig>
{
public:
CConfig();
std::string GetAccessKeyId();
std::string GetSecretAccessKey();
};
CS3ObjectStream(const char*, const char*);
uint64 Read(void*, uint64) override;
uint64 Write(const void*, uint64) override;
void Seek(int64, Framework::STREAM_SEEK_DIRECTION) override;
uint64 Tell() override;
bool IsEOF() override;
private:
static fs::path GetCachePath();
std::string GenerateReadCacheKey(const std::pair<uint64, uint64>&) const;
void GetObjectInfo();
void SyncBuffer();
std::string m_bucketName;
std::string m_bucketRegion;
std::string m_objectName;
//Object Metadata
uint64 m_objectSize = 0;
std::string m_objectEtag;
uint64 m_objectPosition = 0;
std::vector<uint8> m_buffer;
uint64 m_bufferPosition = ~0ULL;
};