logging.h

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#pragma once
 
#include <spdlog/sinks/callback_sink.h>
#include <spdlog/sinks/dist_sink.h>
#include <spdlog/spdlog.h>
#include <spdlog/fmt/chrono.h>
#include <spdlog/fmt/ranges.h>
 
#include <hpp/source_location.hpp>
namespace unravel
{
using namespace spdlog;
 
 
#define APPLOG               "Log"
#define APPLOG_DEBUG(...)    SPDLOG_LOGGER_CALL(spdlog::get(APPLOG), spdlog::level::debug, __VA_ARGS__)
#define APPLOG_TRACE(...)    SPDLOG_LOGGER_CALL(spdlog::get(APPLOG), spdlog::level::trace, __VA_ARGS__)
#define APPLOG_INFO(...)     SPDLOG_LOGGER_CALL(spdlog::get(APPLOG), spdlog::level::info, __VA_ARGS__)
#define APPLOG_WARNING(...)  SPDLOG_LOGGER_CALL(spdlog::get(APPLOG), spdlog::level::warn, __VA_ARGS__)
#define APPLOG_ERROR(...)    SPDLOG_LOGGER_CALL(spdlog::get(APPLOG), spdlog::level::err, __VA_ARGS__)
#define APPLOG_CRITICAL(...) SPDLOG_LOGGER_CALL(spdlog::get(APPLOG), spdlog::level::critical, __VA_ARGS__)
 
 
#ifndef SPDLOG_NO_SOURCE_LOC
#define SPDLOG_LOGGER_CALL_LOC(logger, file, line, func, level, ...)                                                   \
    (logger)->log(spdlog::source_loc{file, line, func}, level, __VA_ARGS__)
#else
#define SPDLOG_LOGGER_CALL_LOC(logger, level, ...) (logger)->log(spdlog::source_loc{}, level, __VA_ARGS__)
#endif
#define APPLOG_DEBUG_LOC(FILE_LOC, LINE_LOC, FUNC_LOC, ...)                                                            \
SPDLOG_LOGGER_CALL_LOC(spdlog::get(APPLOG), FILE_LOC, LINE_LOC, FUNC_LOC, spdlog::level::debug, __VA_ARGS__)
#define APPLOG_TRACE_LOC(FILE_LOC, LINE_LOC, FUNC_LOC, ...)                                                            \
    SPDLOG_LOGGER_CALL_LOC(spdlog::get(APPLOG), FILE_LOC, LINE_LOC, FUNC_LOC, spdlog::level::trace, __VA_ARGS__)
#define APPLOG_INFO_LOC(FILE_LOC, LINE_LOC, FUNC_LOC, ...)                                                             \
    SPDLOG_LOGGER_CALL_LOC(spdlog::get(APPLOG), FILE_LOC, LINE_LOC, FUNC_LOC, spdlog::level::info, __VA_ARGS__)
#define APPLOG_WARNING_LOC(FILE_LOC, LINE_LOC, FUNC_LOC, ...)                                                          \
    SPDLOG_LOGGER_CALL_LOC(spdlog::get(APPLOG), FILE_LOC, LINE_LOC, FUNC_LOC, spdlog::level::warn, __VA_ARGS__)
#define APPLOG_ERROR_LOC(FILE_LOC, LINE_LOC, FUNC_LOC, ...)                                                            \
    SPDLOG_LOGGER_CALL_LOC(spdlog::get(APPLOG), FILE_LOC, LINE_LOC, FUNC_LOC, spdlog::level::err, __VA_ARGS__)
#define APPLOG_CRITICAL_LOC(FILE_LOC, LINE_LOC, FUNC_LOC, ...)                                                         \
    SPDLOG_LOGGER_CALL_LOC(spdlog::get(APPLOG), FILE_LOC, LINE_LOC, FUNC_LOC, spdlog::level::critical, __VA_ARGS__)
 
#define APPLOG_FLUSH() spdlog::apply_all([](std::shared_ptr<spdlog::logger> const& lg){ lg->flush(); })
 
 
auto get_mutable_logging_container() -> std::shared_ptr<spdlog::sinks::dist_sink_mt>;
 
struct logging
{
    logging(const std::string& output_file = "Log.txt");
    ~logging();
};
 
 
template<spdlog::level::level_enum lvl = spdlog::level::debug, typename T = std::chrono::microseconds>
struct log_stopwatch
{
    using clock_t = std::chrono::high_resolution_clock;
    using timepoint_t = clock_t::time_point;
 
    timepoint_t start = clock_t::now();
    const char* func_{};
    hpp::source_location location_;
 
    log_stopwatch(const char* func, hpp::source_location loc = hpp::source_location::current())
        : func_(func)
        , location_(loc)
    {
 
    }
 
    ~log_stopwatch()
    {
        auto end = clock_t::now();
        auto dur = std::chrono::duration_cast<T>(end - start);
 
        SPDLOG_LOGGER_CALL_LOC(spdlog::get(APPLOG), location_.file_name(), int(location_.line()), func_, lvl, "{} : {}", func_, dur);
    }
 
};
 
// Helper macros to concatenate tokens
#define APPLOG_CONCATENATE_DETAIL(x, y) x##y
#define APPLOG_CONCATENATE(x, y) APPLOG_CONCATENATE_DETAIL(x, y)
 
// Macro to create a unique variable name
#define APPLOG_UNIQUE_VAR(prefix) APPLOG_CONCATENATE(prefix, __LINE__)
 
#define APPLOG_INFO_PERF(T) log_stopwatch<spdlog::level::info, T> APPLOG_UNIQUE_VAR(_test)(__func__);
#define APPLOG_TRACE_PERF(T) log_stopwatch<spdlog::level::trace, T> APPLOG_UNIQUE_VAR(_test)(__func__);
#define APPLOG_DEBUG_PERF(T) log_stopwatch<spdlog::level::debug, T> APPLOG_UNIQUE_VAR(_test)(__func__);
 
 
#define APPLOG_INFO_PERF_NAMED(T, name) log_stopwatch<spdlog::level::info, T> APPLOG_UNIQUE_VAR(_test)(name);
#define APPLOG_TRACE_PERF_NAMED(T, name) log_stopwatch<spdlog::level::trace, T> APPLOG_UNIQUE_VAR(_test)(name);
#define APPLOG_DEBUG_PERF_NAMED(T, name) log_stopwatch<spdlog::level::trace, T> APPLOG_UNIQUE_VAR(_test)(name);
 
 
} // namespace unravel