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make logging to file optional

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This commit is contained in:
Drath Vader
2025-12-22 12:45:41 +01:00
parent 8996970cdc
commit d5df47b24e
1 changed files with 15 additions and 12 deletions
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27
include/log.hpp
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@@ -1,25 +1,26 @@
#ifndef LOG_HPP #ifndef LOG_HPP
#define LOG_HPP #define LOG_HPP
#define log _log // comment to disable logging #define log _log // comment to disable logging
// #define LOG_FILE_LOCATION "linuxSmartie.log.gz"
#ifdef log #ifdef log
#include <zlib.h>
#define LOG_FILE_LOCATION "linuxSmartie.log.gz"
#include <chrono> #include <chrono>
#include <mutex> #include <mutex>
#include <print> #include <print>
#include <string_view> #include <string_view>
inline std::mutex cmtx; // console logging mutex #ifdef LOG_FILE_LOCATION
#include <zlib.h>
inline std::mutex fmtx; // file logging mutex inline std::mutex fmtx; // file logging mutex
#endif
inline std::mutex cmtx; // console logging mutex
enum class LOG { INF, WRN, ERR, DBG, START }; enum class LOG { INF, WRN, ERR, DBG, START };
template <typename... Args> template <typename... Args>
inline void _log(LOG level, std::string_view tag, std::format_string<Args...> str, Args&&... args) { inline void _log(LOG level, std::string_view tag, std::format_string<Args...> str, Args&&... args) {
constexpr bool logToFile = true;
constexpr std::string_view reset = "\033[0m"; constexpr std::string_view reset = "\033[0m";
constexpr std::string_view pattern = "[{}{}{}] "; constexpr std::string_view pattern = "[{}{}{}] ";
std::string_view color = ""; std::string_view color = "";
@@ -48,21 +49,23 @@ inline void _log(LOG level, std::string_view tag, std::format_string<Args...> st
std::println(str, std::forward<Args>(args)...); std::println(str, std::forward<Args>(args)...);
} }
#ifdef LOG_FILE_LOCATION
/* log to file */ /* log to file */
if (logToFile) { {
auto now = std::chrono::system_clock::now(); auto now = std::chrono::system_clock::now();
auto local = std::chrono::current_zone()->to_local(now); auto local = std::chrono::current_zone()->to_local(now);
std::string msg = std::format("{:%x %H:%M:%S }", floor<std::chrono::milliseconds>(local)); // timestamp std::string msg = std::format("{:%x %H:%M:%S }", floor<std::chrono::milliseconds>(local)); // timestamp
std::format_to(std::back_inserter(msg), pattern, color, tag, reset); // tag std::format_to(std::back_inserter(msg), pattern, color, tag, reset); // tag
std::format_to(std::back_inserter(msg), str, std::forward<Args>(args)...); // actual log message std::format_to(std::back_inserter(msg), str, std::forward<Args>(args)...); // actual log message
std::scoped_lock lock (fmtx); std::scoped_lock lock(fmtx);
gzFile file = gzopen(LOG_FILE_LOCATION, "ab"); gzFile file = gzopen(LOG_FILE_LOCATION, "ab");
if (file) { if (file) {
gzprintf(file, "%s\n", msg.c_str()); gzprintf(file, "%s\n", msg.c_str());
gzclose(file); gzclose(file);
} }
} }
#endif
} }
#else #else