ReplicationModule.hpp

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/*
    Copyright (C) 2014-2016 Leosac
 
    This file is part of Leosac.
 
    Leosac is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    Leosac 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 Affero General Public License for more details.
 
    You should have received a copy of the GNU Affero General Public License
    along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
 
#pragma once
 
#include "core/CoreUtils.hpp"
#include "modules/BaseModule.hpp"
 
namespace Leosac
{
namespace Module
{
namespace Replication
{
class ReplicationModule : public BaseModule
{
  public:
    ReplicationModule(zmqpp::context &ctx, zmqpp::socket *pipe,
                      const boost::property_tree::ptree &cfg, CoreUtilsPtr utils);
 
    ReplicationModule(const ReplicationModule &) = delete;
    ReplicationModule(ReplicationModule &&)      = delete;
    ReplicationModule &operator=(const ReplicationModule &) = delete;
    ReplicationModule &operator=(ReplicationModule &&) = delete;
 
    virtual void run() override;
 
  private:
    using TimePoint = std::chrono::system_clock::time_point;
    void process_config();
 
    void replicate();
 
    void start_sync();
 
    bool fetch_local_version(uint64_t &local);
 
    bool fetch_remote_version(uint64_t &remote);
 
    int delay_;
 
    std::string endpoint_;
 
    std::string pubkey_;
 
    TimePoint last_sync_;
};
}
}
}