static lib wip

src/logger.cpp

@@ -0,0 +1,187 @@
+#ifndef SPDLOG_HEADER_ONLY
+#include "spdlog/logger.h"
+#endif
+
+#include "spdlog/sinks/sink.h"
+#include "spdlog/details/pattern_formatter.h"
+
+// public methods
+SPDLOG_INLINE void spdlog::logger::log(spdlog::source_loc loc, spdlog::level::level_enum lvl, const char *msg)
+{
+    if (!should_log(lvl))
+    {
+        return;
+    }
+
+    try
+    {
+        details::log_msg log_msg(loc, &name_, lvl, spdlog::string_view_t(msg));
+        sink_it_(log_msg);
+    }
+    catch (const std::exception &ex)
+    {
+        err_handler_(ex.what());
+    }
+    catch (...)
+    {
+        err_handler_("Unknown exception in logger");
+    }
+}
+
+SPDLOG_INLINE void spdlog::logger::log(level::level_enum lvl, const char *msg)
+{
+    log(source_loc{}, lvl, msg);
+}
+
+SPDLOG_INLINE bool spdlog::logger::should_log(spdlog::level::level_enum msg_level) const
+{
+    return msg_level >= level_.load(std::memory_order_relaxed);
+}
+
+SPDLOG_INLINE void spdlog::logger::set_level(spdlog::level::level_enum log_level)
+{
+    level_.store(log_level);
+}
+
+SPDLOG_INLINE spdlog::level::level_enum spdlog::logger::default_level()
+{
+    return static_cast<spdlog::level::level_enum>(SPDLOG_ACTIVE_LEVEL);
+}
+
+SPDLOG_INLINE spdlog::level::level_enum spdlog::logger::level() const
+{
+    return static_cast<spdlog::level::level_enum>(level_.load(std::memory_order_relaxed));
+}
+
+SPDLOG_INLINE const std::string &spdlog::logger::name() const
+{
+    return name_;
+}
+
+// set formatting for the sinks in this logger.
+// each sink will get a seperate instance of the formatter object.
+SPDLOG_INLINE void spdlog::logger::set_formatter(std::unique_ptr<spdlog::formatter> f)
+{
+    for (auto &sink : sinks_)
+    {
+        sink->set_formatter(f->clone());
+    }
+}
+
+SPDLOG_INLINE void spdlog::logger::set_pattern(std::string pattern, spdlog::pattern_time_type time_type)
+{
+    auto new_formatter = details::make_unique<spdlog::pattern_formatter>(std::move(pattern), time_type);
+    set_formatter(std::move(new_formatter));
+}
+
+// flush functions
+SPDLOG_INLINE void spdlog::logger::flush()
+{
+    try
+    {
+        flush_();
+    }
+    catch (const std::exception &ex)
+    {
+        err_handler_(ex.what());
+    }
+    catch (...)
+    {
+        err_handler_("Unknown exception in logger");
+    }
+}
+
+SPDLOG_INLINE void spdlog::logger::flush_on(level::level_enum log_level)
+{
+    flush_level_.store(log_level);
+}
+
+SPDLOG_INLINE spdlog::level::level_enum spdlog::logger::flush_level() const
+{
+    return static_cast<spdlog::level::level_enum>(flush_level_.load(std::memory_order_relaxed));
+}
+
+// sinks
+SPDLOG_INLINE const std::vector<spdlog::sink_ptr> &spdlog::logger::sinks() const
+{
+    return sinks_;
+}
+
+SPDLOG_INLINE std::vector<spdlog::sink_ptr> &spdlog::logger::sinks()
+{
+    return sinks_;
+}
+
+// error handler
+SPDLOG_INLINE void spdlog::logger::set_error_handler(spdlog::log_err_handler err_handler)
+{
+    err_handler_ = std::move(err_handler);
+}
+
+SPDLOG_INLINE spdlog::log_err_handler spdlog::logger::error_handler() const
+{
+    return err_handler_;
+}
+
+// create new logger with same sinks and configuration.
+SPDLOG_INLINE std::shared_ptr<spdlog::logger> spdlog::logger::clone(std::string logger_name)
+{
+    auto cloned = std::make_shared<spdlog::logger>(std::move(logger_name), sinks_.begin(), sinks_.end());
+    cloned->set_level(this->level());
+    cloned->flush_on(this->flush_level());
+    cloned->set_error_handler(this->error_handler());
+    return cloned;
+}
+
+// protected methods
+SPDLOG_INLINE void spdlog::logger::sink_it_(spdlog::details::log_msg &msg)
+{
+#if defined(SPDLOG_ENABLE_MESSAGE_COUNTER)
+    incr_msg_counter_(msg);
+#endif
+    for (auto &sink : sinks_)
+    {
+        if (sink->should_log(msg.level))
+        {
+            sink->log(msg);
+        }
+    }
+
+    if (should_flush_(msg))
+    {
+        flush_();
+    }
+}
+
+SPDLOG_INLINE void spdlog::logger::flush_()
+{
+    for (auto &sink : sinks_)
+    {
+        sink->flush();
+    }
+}
+
+SPDLOG_INLINE bool spdlog::logger::should_flush_(const spdlog::details::log_msg &msg)
+{
+    auto flush_level = flush_level_.load(std::memory_order_relaxed);
+    return (msg.level >= flush_level) && (msg.level != level::off);
+}
+
+SPDLOG_INLINE void spdlog::logger::default_err_handler_(const std::string &msg)
+{
+    auto now = time(nullptr);
+    if (now - last_err_time_ < 60)
+    {
+        return;
+    }
+    last_err_time_ = now;
+    auto tm_time = details::os::localtime(now);
+    char date_buf[100];
+    std::strftime(date_buf, sizeof(date_buf), "%Y-%m-%d %H:%M:%S", &tm_time);
+    fmt::print(stderr, "[*** LOG ERROR ***] [{}] [{}] {}\n", date_buf, name(), msg);
+}
+
+SPDLOG_INLINE void spdlog::logger::incr_msg_counter_(spdlog::details::log_msg &msg)
+{
+    msg.msg_id = msg_counter_.fetch_add(1, std::memory_order_relaxed);
+}