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#pragma once
#include "archive.h"
#include <cstdint>
#include <ctime>
#include <deque>
#include <iostream>
#include <mutex>
class Statistics
{
static const int32_t binsize = 3600; // in seconds: i.e. 1 hour
static const size_t maxSize = 30000000; // maximum of statistics data in bytes
public:
struct Bin
{
uint64_t start_time{};
uint64_t requests{};
uint64_t errors{};
uint64_t bytes_in{};
uint64_t bytes_out{};
uint64_t requests_ipv6{};
uint64_t errors_ipv6{};
uint64_t bytes_in_ipv6{};
uint64_t bytes_out_ipv6{};
uint64_t requests_https{};
uint64_t errors_https{};
uint64_t bytes_in_https{};
uint64_t bytes_out_https{};
template <class Archive>
void serialize (Archive& ar)
{
ar & start_time;
ar & requests;
ar & errors;
ar & bytes_in;
ar & bytes_out;
ar & requests_ipv6;
ar & errors_ipv6;
ar & bytes_in_ipv6;
ar & bytes_out_ipv6;
ar & requests_https;
ar & errors_https;
ar & bytes_in_https;
ar & bytes_out_https;
}
bool expired() const;
};
private:
std::deque<Bin> mBins;
std::mutex mMutex;
void limit();
public:
Statistics();
~Statistics();
void count(size_t bytes_in, size_t bytes_out, bool error, bool ipv6, bool https);
};
// Serialization and Deserialization as free functions
namespace Serialization {
template <class T>
Serialization::OArchive& operator& (Serialization::OArchive& ar, std::deque<T>& deque)
{
uint64_t size { deque.size() };
ar & size;
for (auto element: deque) {
ar & element;
}
return ar;
}
template <class T>
Serialization::IArchive& operator& (Serialization::IArchive& ar, std::deque<T>& deque)
{
uint64_t size {};
ar & size;
deque.clear();
for (size_t i = 0; i < size; i++) {
T element;
ar & element;
deque.push_back(element);
}
return ar;
}
}
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