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Gabi Melman 2021-11-15 14:45:07 +02:00 committed by GitHub
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@ -379,23 +379,17 @@ $ ./example
```c++
// You can get subscribe to get callbacks from spdlog before/after log file has been opened or closed.
// This is useful for cleanup procedures or for adding someting the start/end of the log files.
void file_events_example(){
void file_events_example()
{
// pass the spdlog::file_event_handlers_t to file sinks for open/close log file notifications
spdlog::file_event_handlers_t handlers;
handlers.before_open = [](spdlog::filename_t filename) {
spdlog::info("Before opening {}", filename);
};
handlers.after_open = [](spdlog::filename_t filename, std::FILE *fstream) {
fputs("After opening\n", fstream);
};
handlers.before_close = [](spdlog::filename_t filename, std::FILE *fstream) {
fputs("Before closing\n", fstream);
};
handlers.after_close = [](spdlog::filename_t filename) {
spdlog::info("After closing {}", filename);
};
handlers.before_open = [](spdlog::filename_t filename) { spdlog::info("Before opening {}", filename); };
handlers.after_open = [](spdlog::filename_t filename, std::FILE *fstream) { fputs("After opening\n", fstream); };
handlers.before_close = [](spdlog::filename_t filename, std::FILE *fstream) { fputs("Before closing\n", fstream); };
handlers.after_close = [](spdlog::filename_t filename) { spdlog::info("After closing {}", filename); };
auto file_sink = std::make_shared<spdlog::sinks::basic_file_sink_mt>("logs/events-sample.txt", true, handlers);
spdlog::logger my_logger("some_logger", file_sink);
// or
spdlog::logger my_logger("some_logger", file_sink);
// or
// auto my_logger = spdlog::basic_logger_st("some_logger", "logs/events-sample.txt", true, handlers);
my_logger.info("Some log line");
}