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/* Copyright (C) 2019 MariaDB Corporation
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 of
the License.
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 for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
#ifndef S3STORAGE_H_
#define S3STORAGE_H_
#include <string>
#include <map>
#include "CloudStorage.h"
#include "libmarias3/marias3.h"
#include "Config.h"
#include <curl/curl.h>
namespace storagemanager
{
class S3Storage : public CloudStorage
{
public:
S3Storage(bool skipRetry = false);
virtual ~S3Storage();
int getObject(const std::string& sourceKey, const std::string& destFile, size_t* size = NULL);
int getObject(const std::string& sourceKey, boost::shared_array<uint8_t>* data, size_t* size = NULL);
int putObject(const std::string& sourceFile, const std::string& destKey);
int putObject(const boost::shared_array<uint8_t> data, size_t len, const std::string& destKey);
int deleteObject(const std::string& key);
int copyObject(const std::string& sourceKey, const std::string& destKey);
int exists(const std::string& key, bool* out);
private:
bool getIAMRoleFromMetadataEC2();
bool getCredentialsFromMetadataEC2();
void testConnectivityAndPerms();
ms3_st* getConnection();
void returnConnection(ms3_st*);
bool skipRetryableErrors;
std::string bucket; // might store this as a char *, since it's only used that way
std::string prefix;
std::string region;
std::string key;
std::string secret;
std::string token;
std::string endpoint;
std::string IAMrole;
std::string STSendpoint;
std::string STSregion;
bool isEC2Instance;
bool ec2iamEnabled;
bool useHTTP;
bool sslVerify;
int portNumber;
struct Connection
{
ms3_st* conn;
timespec idleSince;
};
struct ScopedConnection
{
ScopedConnection(S3Storage*, ms3_st*);
~ScopedConnection();
S3Storage* s3;
ms3_st* conn;
};
// for sanity checking
// std::map<ms3_st *, boost::mutex> connMutexes;
boost::mutex connMutex;
std::deque<Connection> freeConns; // using this as a stack to keep lru objects together
const time_t maxIdleSecs = 30;
};
} // namespace storagemanager
#endif
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