networking.h

#pragma once

#include <iostream>
#include <string>
#include <cstdint>
#include <boost/system/error_code.hpp>
#include "enum.h"

#include "dpyError.h"

#ifdef TESTING
#include "gtest/gtest.h"
#endif

namespace dpyNetworking {
BETTER_ENUM(Statistics, uint8_t, rx_packets, rx_errors, rx_dropped, tx_packets, tx_errors, tx_dropped)
};

class Networking
{
public:
    Networking();
    virtual ~Networking();

    static bool isIPFormatValid(const std::string &ip);
    static bool isInterfaceActive(const std::string &iface);
    static bool getIPv4Address(const std::string &iface, std::string &address);
    static uint32_t getInterfaceStatistics(boost::system::error_code &ec, const std::string &iface, const dpyNetworking::Statistics &type);
    static float getDailyTraffic(boost::system::error_code &ec, const std::string &iface, const struct tm date);
private:
    static float getDailyMegabytes(boost::system::error_code &ec, const std::string &vnstat_response,const std::string& date_string);


#ifdef TESTING
public:
    friend class Networking_Daily_Megabytes_test;
    FRIEND_TEST(Networking_Daily_Megabytes_test,Invalid_response_does_not_match_expression);
    FRIEND_TEST(Networking_Daily_Megabytes_test,Incomplete_response_full_match_not_found);
    FRIEND_TEST(Networking_Daily_Megabytes_test,Invalid_date_does_not_match_query);
    FRIEND_TEST(Networking_Daily_Megabytes_test,Invalid_traffic_value);
    FRIEND_TEST(Networking_Daily_Megabytes_test,Invalid_value_output_bad_units);
    FRIEND_TEST(Networking_Daily_Megabytes_test,Valid_value_output_kilobytes);
    FRIEND_TEST(Networking_Daily_Megabytes_test,Valid_value_output_megabytes);
    FRIEND_TEST(Networking_Daily_Megabytes_test,Valid_value_output_gigabytes);

#endif
};