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add argument to rotating file sink for rotate_on_open

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when true, the log file will be rotated when it is opened so the newly constructed file will start off being empty
This commit is contained in:
Philip Miller
2018-09-06 02:47:48 -04:00
parent caff7296b1
commit 52a01b2cf2
2 changed files with 8 additions and 6 deletions
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12
include/spdlog/sinks/rotating_file_sink.h
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@@ -27,12 +27,14 @@ template<typename Mutex>
class rotating_file_sink SPDLOG_FINAL : public base_sink<Mutex>
{
public:
rotating_file_sink(filename_t base_filename, std::size_t max_size, std::size_t max_files)
rotating_file_sink(filename_t base_filename, std::size_t max_size, std::size_t max_files, bool rotate_on_open=false)
: base_filename_(std::move(base_filename))
, max_size_(max_size)
, max_files_(max_files)
{
file_helper_.open(calc_filename(base_filename_, 0));
if (rotate_on_open)
rotate_();
current_size_ = file_helper_.size(); // expensive. called only once
}
@@ -130,15 +132,15 @@ using rotating_file_sink_st = rotating_file_sink<details::null_mutex>;
template<typename Factory = default_factory>
inline std::shared_ptr<logger> rotating_logger_mt(
const std::string &logger_name, const filename_t &filename, size_t max_file_size, size_t max_files)
const std::string &logger_name, const filename_t &filename, size_t max_file_size, size_t max_files, bool rotate_on_open=false)
{
return Factory::template create<sinks::rotating_file_sink_mt>(logger_name, filename, max_file_size, max_files);
return Factory::template create<sinks::rotating_file_sink_mt>(logger_name, filename, max_file_size, max_files, rotate_on_open);
}
template<typename Factory = default_factory>
inline std::shared_ptr<logger> rotating_logger_st(
const std::string &logger_name, const filename_t &filename, size_t max_file_size, size_t max_files)
const std::string &logger_name, const filename_t &filename, size_t max_file_size, size_t max_files, bool rotate_on_open = false)
{
return Factory::template create<sinks::rotating_file_sink_st>(logger_name, filename, max_file_size, max_files);
return Factory::template create<sinks::rotating_file_sink_st>(logger_name, filename, max_file_size, max_files, rotate_on_open);
}
} // namespace spdlog