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Refactor logging functions and add exception handling

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mutouyun 2024-03-10 00:49:24 +08:00
parent d6f40f44d3
commit 1407d1815e
1 changed files with 30 additions and 15 deletions
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33
include/libimp/log.h
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@ -53,33 +53,30 @@ bool unfold_tuple_fmt_to(fmt_context &ctx, Tp const &tp, std::index_sequence<I..
} // namespace detail } // namespace detail
template <typename... T> template <typename... T>
bool context_to_string(fmt_context &f_ctx, context<T...> const &l_ctx) noexcept { bool context_to_string(fmt_context &f_ctx, context<T...> const &l_ctx) {
static constexpr char types[] = { static constexpr char types[] = {
'T', 'D', 'I', 'W', 'E', 'F', 'T', 'D', 'I', 'W', 'E', 'F',
}; };
LIBIMP_TRY {
auto ms = std::chrono::time_point_cast<std::chrono::milliseconds>(l_ctx.tp).time_since_epoch().count() % 1000; auto ms = std::chrono::time_point_cast<std::chrono::milliseconds>(l_ctx.tp).time_since_epoch().count() % 1000;
return detail::unfold_tuple_fmt_to(f_ctx, l_ctx.params, std::index_sequence_for<T...>{}, return detail::unfold_tuple_fmt_to(f_ctx, l_ctx.params, std::index_sequence_for<T...>{},
"[", types[underlyof(l_ctx.level)], "]" "[", types[underlyof(l_ctx.level)], "]"
"[", l_ctx.tp, ".", spec("03")(ms), "]" "[", l_ctx.tp, ".", spec("03")(ms), "]"
"[", l_ctx.func, "] "); "[", l_ctx.func, "] ");
} LIBIMP_CATCH(...) {
return false;
}
} }
template <typename... T> template <typename... T>
std::string context_to_string(context<T...> const &l_ctx) noexcept { std::string context_to_string(context<T...> const &l_ctx) {
LIBIMP_TRY {
std::string log_txt; std::string log_txt;
fmt_context f_ctx(log_txt); fmt_context f_ctx(log_txt);
LIBIMP_TRY {
if (!context_to_string(f_ctx, l_ctx)) { if (!context_to_string(f_ctx, l_ctx)) {
return {}; return {};
} }
f_ctx.finish(); f_ctx.finish();
return log_txt; return log_txt;
} LIBIMP_CATCH(...) { } LIBIMP_CATCH(...) {
return {}; f_ctx.finish();
throw;
} }
} }
@ -105,6 +102,22 @@ inline auto &make_std_out() noexcept {
return std_out; return std_out;
} }
/// \brief Record the last information when an exception occurs.
inline void log_exception(char const *func, std::exception_ptr eptr) noexcept {
LIBIMP_TRY {
if (func == nullptr) {
func = "-";
}
if (eptr) {
std::rethrow_exception(eptr);
}
} LIBIMP_CATCH(std::exception const &e) {
std::fprintf(stderr, "[F][%s] exception: %s\n", func, e.what());
} LIBIMP_CATCH(...) {
std::fprintf(stderr, "[F][%s] exception: unknown\n", func);
}
}
/** /**
* \brief Log information base class. * \brief Log information base class.
*/ */
@ -141,7 +154,9 @@ public:
l, std::chrono::system_clock::now(), func_, l, std::chrono::system_clock::now(), func_,
std::forward_as_tuple(std::forward<A>(args)...), std::forward_as_tuple(std::forward<A>(args)...),
}); });
} LIBIMP_CATCH(...) {} } LIBIMP_CATCH(...) {
log_exception(func_, std::current_exception());
}
return *this; return *this;
} }