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debian9에서 syslog 백엔드를 사용할 때 부스트 로그를 구성하여 특정 파일로 로그를 보낼 수 있습니까?syslog 싱크를 사용하여 syslog를 특정 파일로 부스트
namespace logging = boost::log;
namespace sinks = boost::log::sinks;
namespace keywords = boost::log::keywords;
using namespace boost::log::sinks::syslog;
boost::shared_ptr<logging::core> core = logging::core::get();
boost::shared_ptr<sinks::syslog_backend> backend =
boost::make_shared<sinks::syslog_backend>(
keywords::use_impl = sinks::syslog::udp_socket_based,
keywords::facility = sinks::syslog::local0
);
// Create and fill in another level translator for "MyLevel" attribute of type string
sinks::syslog::custom_severity_mapping<std::string> mapping("MyLevel");
mapping["debug"] = sinks::syslog::debug;
mapping["info"] = sinks::syslog::info;
mapping["warning"] = sinks::syslog::warning;
mapping["error"] = sinks::syslog::error;
backend->set_severity_mapper(mapping);
backend->set_target_address("localhost");
// Wrap it into the frontend and register in the core.
// The backend requires synchronization in the frontend.
typedef sinks::synchronous_sink<sinks::syslog_backend> sink_t;
boost::shared_ptr<sink_t> sink(new sink_t(backend));
core->add_sink(sink);