MeasurementFileWriter.h

// OBECA - Open Broadcast Edge Cache Appliance
// Receive Process
//
// Copyright (C) 2021 Klaus Kühnhammer (Österreichische Rundfunksender GmbH & Co KG)
//
// This program 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.
// 
// 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 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 <libgpsmm.h>
 
#include <string>
#include <thread>
#include <cstdint>
#include <memory>
#include <vector>
 
#include <libconfig.h++>
 
class MeasurementFileWriter {
 public:
    explicit MeasurementFileWriter(const libconfig::Config& cfg);
 
    virtual ~MeasurementFileWriter();
 
    void WriteLogValues(const std::vector<std::string>& values);
 
 private:
    void ReadGps();
 
    const libconfig::Config& _cfg;
 
    std::unique_ptr<gpsmm> _gps;
    struct gps_data_t* _gps_data {};
    std::thread _gps_reader_thread;
    bool _running = true;
 
    std::string _last_gps_lat = "";
    std::string _last_gps_lng = "";
    std::string _last_gps_time = "";
};