aboutsummaryrefslogtreecommitdiff
path: root/NorthstarDLL/include/spdlog/sinks/daily_file_sink.h
diff options
context:
space:
mode:
authorBobTheBob <32057864+BobTheBob9@users.noreply.github.com>2022-08-24 00:32:31 +0100
committerGeckoEidechse <gecko.eidechse+git@pm.me>2022-08-25 21:32:55 +0200
commit46bed8d09f32360377350d71816a76abdfbf2c7c (patch)
tree7feedae4910dbfe0e53d26ea1e00c4616d2c1850 /NorthstarDLL/include/spdlog/sinks/daily_file_sink.h
parenta97f1f07bb5aa31629cd87023e09669eb4bf1fe9 (diff)
downloadNorthstarLauncher-46bed8d09f32360377350d71816a76abdfbf2c7c.tar.gz
NorthstarLauncher-46bed8d09f32360377350d71816a76abdfbf2c7c.zip
Adjust folder structure (#242)v1.9.5-rc1v1.9.5
* Adjust folder structure * change launcher directory name
Diffstat (limited to 'NorthstarDLL/include/spdlog/sinks/daily_file_sink.h')
-rw-r--r--NorthstarDLL/include/spdlog/sinks/daily_file_sink.h238
1 files changed, 238 insertions, 0 deletions
diff --git a/NorthstarDLL/include/spdlog/sinks/daily_file_sink.h b/NorthstarDLL/include/spdlog/sinks/daily_file_sink.h
new file mode 100644
index 00000000..16be821a
--- /dev/null
+++ b/NorthstarDLL/include/spdlog/sinks/daily_file_sink.h
@@ -0,0 +1,238 @@
+// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+
+#pragma once
+
+#include <spdlog/common.h>
+#include <spdlog/details/file_helper.h>
+#include <spdlog/details/null_mutex.h>
+#include <spdlog/fmt/fmt.h>
+#include <spdlog/fmt/chrono.h>
+#include <spdlog/sinks/base_sink.h>
+#include <spdlog/details/os.h>
+#include <spdlog/details/circular_q.h>
+#include <spdlog/details/synchronous_factory.h>
+
+#include <chrono>
+#include <cstdio>
+#include <ctime>
+#include <mutex>
+#include <string>
+
+namespace spdlog {
+namespace sinks {
+
+/*
+ * Generator of daily log file names in format basename.YYYY-MM-DD.ext
+ */
+struct daily_filename_calculator
+{
+ // Create filename for the form basename.YYYY-MM-DD
+ static filename_t calc_filename(const filename_t &filename, const tm &now_tm)
+ {
+ filename_t basename, ext;
+ std::tie(basename, ext) = details::file_helper::split_by_extension(filename);
+ return fmt::format(
+ SPDLOG_FILENAME_T("{}_{:04d}-{:02d}-{:02d}{}"), basename, now_tm.tm_year + 1900, now_tm.tm_mon + 1, now_tm.tm_mday, ext);
+ }
+};
+
+/*
+ * Generator of daily log file names with strftime format.
+ * Usages:
+ * auto sink = std::make_shared<spdlog::sinks::daily_file_format_sink_mt>("myapp-%Y-%m-%d:%H:%M:%S.log", hour, minute);"
+ * auto logger = spdlog::daily_logger_format_mt("loggername, "myapp-%Y-%m-%d:%X.log", hour, minute)"
+ *
+ */
+struct daily_filename_format_calculator
+{
+ static filename_t calc_filename (const filename_t &filename, const tm &now_tm)
+ {
+ // generate fmt datetime format string, e.g. {:%Y-%m-%d}.
+ filename_t fmt_filename = fmt::format(SPDLOG_FILENAME_T ("{{:{}}}"), filename);
+ return fmt::format(fmt_filename, now_tm);
+ }
+};
+
+/*
+ * Rotating file sink based on date.
+ * If truncate != false , the created file will be truncated.
+ * If max_files > 0, retain only the last max_files and delete previous.
+ */
+template<typename Mutex, typename FileNameCalc = daily_filename_calculator>
+class daily_file_sink final : public base_sink<Mutex>
+{
+public:
+ // create daily file sink which rotates on given time
+ daily_file_sink(filename_t base_filename, int rotation_hour, int rotation_minute, bool truncate = false, uint16_t max_files = 0)
+ : base_filename_(std::move(base_filename))
+ , rotation_h_(rotation_hour)
+ , rotation_m_(rotation_minute)
+ , truncate_(truncate)
+ , max_files_(max_files)
+ , filenames_q_()
+ {
+ if (rotation_hour < 0 || rotation_hour > 23 || rotation_minute < 0 || rotation_minute > 59)
+ {
+ throw_spdlog_ex("daily_file_sink: Invalid rotation time in ctor");
+ }
+
+ auto now = log_clock::now();
+ auto filename = FileNameCalc::calc_filename(base_filename_, now_tm(now));
+ file_helper_.open(filename, truncate_);
+ rotation_tp_ = next_rotation_tp_();
+
+ if (max_files_ > 0)
+ {
+ init_filenames_q_();
+ }
+ }
+
+ filename_t filename()
+ {
+ std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
+ return file_helper_.filename();
+ }
+
+protected:
+ void sink_it_(const details::log_msg &msg) override
+ {
+ auto time = msg.time;
+ bool should_rotate = time >= rotation_tp_;
+ if (should_rotate)
+ {
+ auto filename = FileNameCalc::calc_filename(base_filename_, now_tm(time));
+ file_helper_.open(filename, truncate_);
+ rotation_tp_ = next_rotation_tp_();
+ }
+ memory_buf_t formatted;
+ base_sink<Mutex>::formatter_->format(msg, formatted);
+ file_helper_.write(formatted);
+
+ // Do the cleaning only at the end because it might throw on failure.
+ if (should_rotate && max_files_ > 0)
+ {
+ delete_old_();
+ }
+ }
+
+ void flush_() override
+ {
+ file_helper_.flush();
+ }
+
+private:
+ void init_filenames_q_()
+ {
+ using details::os::path_exists;
+
+ filenames_q_ = details::circular_q<filename_t>(static_cast<size_t>(max_files_));
+ std::vector<filename_t> filenames;
+ auto now = log_clock::now();
+ while (filenames.size() < max_files_)
+ {
+ auto filename = FileNameCalc::calc_filename(base_filename_, now_tm(now));
+ if (!path_exists(filename))
+ {
+ break;
+ }
+ filenames.emplace_back(filename);
+ now -= std::chrono::hours(24);
+ }
+ for (auto iter = filenames.rbegin(); iter != filenames.rend(); ++iter)
+ {
+ filenames_q_.push_back(std::move(*iter));
+ }
+ }
+
+ tm now_tm(log_clock::time_point tp)
+ {
+ time_t tnow = log_clock::to_time_t(tp);
+ return spdlog::details::os::localtime(tnow);
+ }
+
+ log_clock::time_point next_rotation_tp_()
+ {
+ auto now = log_clock::now();
+ tm date = now_tm(now);
+ date.tm_hour = rotation_h_;
+ date.tm_min = rotation_m_;
+ date.tm_sec = 0;
+ auto rotation_time = log_clock::from_time_t(std::mktime(&date));
+ if (rotation_time > now)
+ {
+ return rotation_time;
+ }
+ return {rotation_time + std::chrono::hours(24)};
+ }
+
+ // Delete the file N rotations ago.
+ // Throw spdlog_ex on failure to delete the old file.
+ void delete_old_()
+ {
+ using details::os::filename_to_str;
+ using details::os::remove_if_exists;
+
+ filename_t current_file = file_helper_.filename();
+ if (filenames_q_.full())
+ {
+ auto old_filename = std::move(filenames_q_.front());
+ filenames_q_.pop_front();
+ bool ok = remove_if_exists(old_filename) == 0;
+ if (!ok)
+ {
+ filenames_q_.push_back(std::move(current_file));
+ throw_spdlog_ex("Failed removing daily file " + filename_to_str(old_filename), errno);
+ }
+ }
+ filenames_q_.push_back(std::move(current_file));
+ }
+
+ filename_t base_filename_;
+ int rotation_h_;
+ int rotation_m_;
+ log_clock::time_point rotation_tp_;
+ details::file_helper file_helper_;
+ bool truncate_;
+ uint16_t max_files_;
+ details::circular_q<filename_t> filenames_q_;
+};
+
+using daily_file_sink_mt = daily_file_sink<std::mutex>;
+using daily_file_sink_st = daily_file_sink<details::null_mutex>;
+using daily_file_format_sink_mt = daily_file_sink<std::mutex, daily_filename_format_calculator>;
+using daily_file_format_sink_st = daily_file_sink<details::null_mutex, daily_filename_format_calculator>;
+
+} // namespace sinks
+
+//
+// factory functions
+//
+template<typename Factory = spdlog::synchronous_factory>
+inline std::shared_ptr<logger> daily_logger_mt(
+ const std::string &logger_name, const filename_t &filename, int hour = 0, int minute = 0, bool truncate = false, uint16_t max_files = 0)
+{
+ return Factory::template create<sinks::daily_file_sink_mt>(logger_name, filename, hour, minute, truncate, max_files);
+}
+
+template<typename Factory = spdlog::synchronous_factory>
+inline std::shared_ptr<logger> daily_logger_format_mt(
+ const std::string &logger_name, const filename_t &filename, int hour = 0, int minute = 0, bool truncate = false, uint16_t max_files = 0)
+{
+ return Factory::template create<sinks::daily_file_format_sink_mt>(logger_name, filename, hour, minute, truncate, max_files);
+}
+
+template<typename Factory = spdlog::synchronous_factory>
+inline std::shared_ptr<logger> daily_logger_st(
+ const std::string &logger_name, const filename_t &filename, int hour = 0, int minute = 0, bool truncate = false, uint16_t max_files = 0)
+{
+ return Factory::template create<sinks::daily_file_sink_st>(logger_name, filename, hour, minute, truncate, max_files);
+}
+
+template<typename Factory = spdlog::synchronous_factory>
+inline std::shared_ptr<logger> daily_logger_format_st(
+ const std::string &logger_name, const filename_t &filename, int hour = 0, int minute = 0, bool truncate = false, uint16_t max_files = 0)
+{
+ return Factory::template create<sinks::daily_file_format_sink_st>(logger_name, filename, hour, minute, truncate, max_files);
+}
+} // namespace spdlog