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arangodb/arangod/Agency/AgencyFeature.h

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2.3 KiB
C++

////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2018 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_AGENCY_AGENCY_FEATURE_H
#define ARANGOD_AGENCY_AGENCY_FEATURE_H 1
#include "ApplicationFeatures/ApplicationFeature.h"
namespace arangodb {
namespace consensus {
class Agent;
}
class AgencyFeature : virtual public application_features::ApplicationFeature {
public:
static consensus::Agent* AGENT;
explicit AgencyFeature(application_features::ApplicationServer& server);
~AgencyFeature();
void collectOptions(std::shared_ptr<options::ProgramOptions>) override final;
void validateOptions(std::shared_ptr<options::ProgramOptions>) override final;
void prepare() override final;
void start() override final;
void beginShutdown() override final;
void stop() override final;
void unprepare() override final;
private:
bool _activated;
uint64_t _size; // agency size (default: 5)
uint64_t _poolSize;
double _minElectionTimeout; // min election timeout
double _maxElectionTimeout; // max election timeout
bool _supervision;
bool _supervisionTouched;
bool _waitForSync;
double _supervisionFrequency;
uint64_t _compactionStepSize;
uint64_t _compactionKeepSize;
uint64_t _maxAppendSize;
double _supervisionGracePeriod;
std::string _agencyMyAddress;
std::vector<std::string> _agencyEndpoints;
bool _cmdLineTimings;
std::string _recoveryId;
public:
consensus::Agent* agent() const { return _agent.get(); }
private:
std::unique_ptr<consensus::Agent> _agent;
};
}
#endif