metadata_reader.h

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#ifndef METADATA_READER_H_INCLUDED
#define METADATA_READER_H_INCLUDED

#include "metadata_input.h"
#include "metadata.h"
#include <vector>
#include <string>
#include <unordered_map>
#include <boost/asio.hpp>

class MetadataReader{
public:

    /*
     * @brief constructor for MetadataReader which reads log from a file
     *
     * Throws a runtime error if the file cannot be read
     *
     * @param filename Path of the file to be read
     */
    MetadataReader(MetadataInput &input, std::string filename);

    MetadataReader(MetadataInput &input, std::string addr, std::string port);

    ~MetadataReader();
private:
    MetadataReader(MetadataInput &input);

    void set_head_row(std::string headRow);

    void read_log();

    std::vector<std::string> heads;

    std::unordered_map<std::string, std::vector<std::string> > data;

    boost::asio::io_service ioService;
    std::string addr, port;
    std::string buffer;

    MetadataInput &input;
};

#endif // METADATA_READER_H_INCLUDED