61 lines
1.8 KiB
C++
61 lines
1.8 KiB
C++
#include "quill/Backend.h"
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#include "quill/Frontend.h"
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#include "quill/LogMacros.h"
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#include "quill/Logger.h"
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#include "quill/sinks/FileSink.h"
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#include <utility>
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/**
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* Logging to the same file using multiple loggers
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*/
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void log_from_new_logger()
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{
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// Obtain the existing created sink, and create a new logger to log
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auto file_sink = quill::Frontend::get_sink("example_file_logging.log");
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quill::Logger* logger_2 = quill::Frontend::create_or_get_logger("root", std::move(file_sink));
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LOG_INFO(logger_2, "log from new logger {}", 123);
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}
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void log_from_existing_logger()
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{
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// Obtain existing logger to log
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quill::Logger* logger = quill::Frontend::get_logger("root");
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LOG_INFO(logger, "log again {}", 123312);
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}
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int main()
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{
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// Start the backend thread
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quill::BackendOptions backend_options;
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quill::Backend::start(backend_options);
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// Frontend
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auto file_sink = quill::Frontend::create_or_get_sink<quill::FileSink>(
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"example_file_logging.log",
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[]()
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{
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quill::FileSinkConfig cfg;
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cfg.set_open_mode('w');
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cfg.set_filename_append_option(quill::FilenameAppendOption::StartDateTime);
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return cfg;
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}(),
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quill::FileEventNotifier{});
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quill::Logger* logger =
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quill::Frontend::create_or_get_logger("root", std::move(file_sink),
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"%(time) [%(thread_id)] %(short_source_location:<28) "
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"LOG_%(log_level:<9) %(logger:<12) %(message)",
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"%H:%M:%S.%Qns", quill::Timezone::GmtTime);
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// set the log level of the logger to debug (default is info)
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logger->set_log_level(quill::LogLevel::Debug);
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LOG_INFO(logger, "log something {}", 123);
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LOG_DEBUG(logger, "something else {}", 456);
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log_from_new_logger();
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log_from_existing_logger();
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} |