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arangodb/arangod/StorageEngine/HotBackupCommon.h

84 lines
2.6 KiB
C++

////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2019 ArangoDB GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Kaveh Vahedipour
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGOD_HOTBACKUP_COMMON_H
#define ARANGOD_HOTBACKUP_COMMON_H 1
#include "Cluster/ResultT.h"
#include <velocypack/Builder.h>
#include <velocypack/Slice.h>
#include <velocypack/velocypack-aliases.h>
namespace arangodb {
constexpr char const* BAD_PARAMS_CREATE = "backup payload must be an object "
"defining optional string attribute 'label' and/or optional floating point "
"parameter 'timeout' in seconds" ;
////////////////////////////////////////////////////////////////////////////////
/// @brief Struct containing meta data for backups
////////////////////////////////////////////////////////////////////////////////
struct BackupMeta {
std::string _id;
std::string _version;
std::string _datetime;
static constexpr const char *ID = "id";
static constexpr const char *VERSION = "version";
static constexpr const char *DATETIME = "datetime";
void toVelocyPack(VPackBuilder &builder) const {
{
VPackObjectBuilder ob(&builder);
builder.add(ID, VPackValue(_id));
builder.add(VERSION, VPackValue(_version));
builder.add(DATETIME, VPackValue(_datetime));
}
}
static ResultT<BackupMeta> fromSlice(VPackSlice const& slice) {
try {
BackupMeta meta;
meta._id = slice.get(ID).copyString();
meta._version = slice.get(VERSION).copyString();
meta._datetime = slice.get(DATETIME).copyString();
return meta;
} catch (std::exception const& e) {
return ResultT<BackupMeta>::error(TRI_ERROR_BAD_PARAMETER, e.what());
}
}
BackupMeta(std::string const& id, std::string const& version, std::string const& datetime) :
_id(id), _version(version), _datetime(datetime) {}
private:
BackupMeta() {}
};
//std::ostream& operator<<(std::ostream& os, const BackupMeta& bm);
}
#endif