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#pragma once
#include "logTypes.hpp"
#include <c++11Helpers.h>
#include <connection_fwd.h>
#include <cstdio>
#include <flat_set>
#include <scn/scan.h>
namespace WebStat {
class Ingestor {
public:
Ingestor(std::string_view hostname, DB::ConnectionPtr dbconn);
virtual ~Ingestor() = default;
SPECIAL_MEMBERS_DEFAULT_MOVE_NO_COPY(Ingestor);
using ScanResult = decltype(scn::scan<std::string_view, std::string_view, uint64_t, std::string_view,
QuotedString, QueryString, std::string_view, unsigned short, unsigned int, unsigned int, CLFString,
CLFString>(std::declval<std::string_view>(), ""));
using ScanValues = std::remove_cvref_t<decltype(std::declval<WebStat::Ingestor::ScanResult>()->values())>;
[[nodiscard]] static ScanResult scanLogLine(std::string_view);
void ingestLog(std::FILE *);
void ingestLogLine(std::string_view);
template<typename T> [[nodiscard]] size_t storeEntity(const T &) const;
// NOLINTNEXTLINE(modernize-use-nodiscard); testing exposition only
size_t storeEntity(Entity) const;
// NOLINTNEXTLINE(modernize-use-nodiscard); testing exposition only
size_t storeEntity(std::optional<Entity>) const;
template<typename... T> void storeLogLine(const std::tuple<T...> &) const;
protected:
size_t linesRead = 0;
size_t linesParsed = 0;
size_t linesDiscarded = 0;
private:
template<typename... T> size_t storeEntities(const std::tuple<T...> &) const;
mutable std::flat_set<Crc32Value> existingEntities;
uint32_t hostnameId;
DB::ConnectionPtr dbconn;
};
}
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