Я использую boost.log для своего проекта.Но когда я попытался установить фильтр для приемников, появились ошибки компиляции. Код
прост:
BOOST_LOG_ATTRIBUTE_KEYWORD(MyTag, "My_Tag", std::string);
BOOST_LOG_INLINE_GLOBAL_LOGGER_CTOR_ARGS(
my_logger
, boost::log::sources::channel_logger_mt< >
, (boost::log::keywords::channel = "default"))
typedef boost::log::sinks::synchronous_sink<
boost::log::sinks::text_ostream_backend > TextSink;
boost::shared_ptr< TextSink > logSink = boost::make_shared< TextSink >();
auto backSink = boost::make_shared<std::ofstream>("default.log");
!!! compilation error, no add_attribute in channel_logger !!!
my_logger::get().add_attribute("My_Tag"
, boost::log::attributes::constant<String>("My_Tag"));
logSink->set_filter(
boost::log::expressions::has_attr(MyTag)
!!! compilation error, invalid operand expression between attribute_actor and std::string !!!
&& boost::log::expressions::attr<std::string>("My_Tag")==std::string("My_Tag")
!!! compilation error, invalid operand expression between attribute_keyword<tag::MyTag> and char[7] !!!
&& MyTag=="My_Tag"
Я также попытался определить функцию фильтра, но получил следующую ошибку:
bool my_filter(
boost::log::value_ref< std::string
!!! compilation error, no tag_attr in boost::log::expressions::tag !!!
, boost::log::expressions::tag::tag_attr > const& tag)
{
return level >= warning || tag == "IMPORTANT_MESSAGE";
}
Кстати, у меня тоже есть следующая ошибка, но эта ошибка исчезнет, если все остальные ошибки компиляции будут устранены.
!!! no open_record in severity_logger_mt !!!
BOOST_LOG_SEV(slg, normal) << "A regular message";
Может кто-нибудь мне помочь?
полный код:
#include <boost/phoenix/operator.hpp>
#include <boost/log/sources/channel_logger.hpp>
#include <boost/log/attributes.hpp>
#include <boost/log/attributes/attribute.hpp>
#include <boost/log/attributes/attribute_cast.hpp>
#include <boost/log/keywords/filter.hpp>
#include <boost/log/expressions/predicates.hpp>
#include <boost/log/expressions/attr_fwd.hpp>
#include <boost/log/expressions/attr.hpp>
#include <boost/log/expressions.hpp>
#include <boost/log/sinks.hpp>
BOOST_LOG_INLINE_GLOBAL_LOGGER_CTOR_ARGS(
my_channel_logger
, boost::log::sources::channel_logger_mt< >
, (boost::log::keywords::channel = "channel"))
BOOST_LOG_ATTRIBUTE_KEYWORD(MyTag, "My_Tag", std::string);
typedef boost::log::sinks::synchronous_sink<
boost::log::sinks::text_ostream_backend > TextSink;
static boost::shared_ptr< TextSink > logSink = boost::make_shared< TextSink >();
static auto backSink = boost::make_shared<std::ofstream>("output.log");
void func() {
!!! compilation error, no 'open_record' in channel_logger_mt !!!
BOOST_LOG_CHANNEL(my_channel_logger::get(), "channel")<<"channel log";
!!! compilation error, no add_attribute in channel_logger !!!
my_channel_logger::get().add_attribute("My_Tag"
, boost::log::attributes::constant<String>("My_Tag"));
}
ошибка компиляции для no open_record in channel_logger_mt
:
***.cpp:87:5: error: no member named 'open_record' in 'boost::log::v2_mt_nt6::sources::channel_logger_mt<std::basic_string<char, std::char_traits<char>, std::allocator<char> > >'
channel_feature.hpp:236:41: note: expanded from macro 'BOOST_LOG_CHANNEL'
channel_feature.hpp:231:5: note: expanded from macro 'BOOST_LOG_STREAM_CHANNEL'
record_ostream.hpp:566:5: note: expanded from macro 'BOOST_LOG_STREAM_WITH_PARAMS'
record_ostream.hpp:555:50: note: expanded from macro 'BOOST_LOG_STREAM_WITH_PARAMS_INTERNAL'
ошибка компиляции для no add_attribute in channel_logger_mt
:
***.cpp:76:31: error: no member named 'add_attribute' in 'boost::log::v2_mt_nt6::sources::channel_logger_mt<std::basic_string<char, std::char_traits<char>, std::allocator<char> > >'