Kylin/Universal/BoostLog.h

#ifndef BOOSTLOG_H
#define BOOSTLOG_H

#include <boost/log/common.hpp>
#include <boost/log/core.hpp>
#include <boost/log/detail/light_rw_mutex.hpp>
#include <boost/log/sources/record_ostream.hpp>
#include <boost/log/trivial.hpp>
#include <boost/log/utility/setup.hpp>
#include <boost/thread.hpp>

#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif

/* what i expected.
[2020-09-08 17:12:35.229152] [0x00007fa07fc94800] [info]    Hello world!
[2020-09-08 17:12:35.229204] [0x00007fa07fc94800] [info]    server ip: 127.0.0.1,port: 8080
[2020-09-08 17:12:35.229211] [0x00007fa07fc94800] [warning] server ip: 127.0.0.1,port: 8080
[2020-09-08 17:12:35.230961] [0x00007fa07fc94800] [info]    server start successful .
*/

// clang-format off

#define LOG_IF(lvl,predic) \
    if(predic) LOG(lvl)

#define LOG_IF_EVERY_N(lvl,predic,n)    \
    if(predic) for(static NumberPredicator pred(n);(!!pred);) \
        LOG(lvl)

#define LOG_EVERY_N(lvl,n)  \
    LOG_IF_EVERY_N(lvl,true,n)

#define LOG_IF_FIRST_N(lvl,predic,n)    \
    if(predic) for(static CountPredicator pred(n);(!!pred);) \
        LOG(lvl)

#define LOG_FIRST_N(lvl,n)  \
    LOG_IF_FIRST_N(lvl,true,n)


#define LOG_IF_EVERY_T(lvl,predic,n)    \
    if(predic) for(static TimePredicator pred(n);(!!pred);) \
        LOG(lvl)

#define LOG_EVERY_T(lvl,n)  \
    LOG_IF_EVERY_T(lvl,true,n)

// clang-format on
#ifndef LOG_FILTER_LEVEL
#define LOG_FILTER_LEVEL (boost::log::trivial::info)
#endif

namespace boost {
namespace log {

/**
 * @brief
 *
 * @param filename log file path
 * @param target path for rotated log files
 * @param filter
 */
void initialize(const std::string &filename = "logs/app", const std::string &target = "logs",
                trivial::severity_level filter = static_cast<trivial::severity_level>(LOG_FILTER_LEVEL));

void defaultFormatter(boost::log::record_view const &record, boost::log::formatting_ostream &ostream);
void removeConsoleLog();
} // namespace log
} // namespace boost

namespace AmassKeywords {

BOOST_PARAMETER_KEYWORD(FilenameNS, FilenameTag)
BOOST_PARAMETER_KEYWORD(FunctionNS, FunctionTag)
BOOST_PARAMETER_KEYWORD(LineNS, LineTag)
BOOST_PARAMETER_KEYWORD(CategoryNS, CategoryTag)

BOOST_LOG_ATTRIBUTE_KEYWORD(filename, "Filename", std::string)
BOOST_LOG_ATTRIBUTE_KEYWORD(function, "Function", std::string)
BOOST_LOG_ATTRIBUTE_KEYWORD(line, "Line", size_t)
BOOST_LOG_ATTRIBUTE_KEYWORD(category, "Category", std::string)

constexpr const char *pathEnd(const char *path) {
    return *path ? pathEnd(path + 1) : path;
}
constexpr bool hasSlant(const char *path) {
    return (*path == '\\' || *path == '/') ? true : (*path ? hasSlant(path + 1) : false);
}
constexpr const char *rightSlant(const char *path) {
    return (*path == '\\' || *path == '/') ? (path + 1) : rightSlant(path - 1);
}
constexpr const char *fileName(const char *path) {
    return hasSlant(path) ? rightSlant(pathEnd(path)) : path;
}

} // namespace AmassKeywords

template <typename BaseT>
class CategoryTaggerFeature : public BaseT {
public:
    typedef typename BaseT::char_type char_type;
    typedef typename BaseT::threading_model threading_model;
    CategoryTaggerFeature() = default;
    CategoryTaggerFeature(const CategoryTaggerFeature &obj);

    template <typename ArgsT>
    CategoryTaggerFeature(const ArgsT &args);

    typedef typename boost::log::strictest_lock<boost::lock_guard<threading_model>, typename BaseT::open_record_lock,
                                                typename BaseT::add_attribute_lock,
                                                typename BaseT::remove_attribute_lock>::type open_record_lock;

protected:
    template <typename ArgsT>
    boost::log::record open_record_unlocked(const ArgsT &args);
};

struct CategoryTagger : public boost::mpl::quote1<CategoryTaggerFeature> {};

template <typename BaseT>
class FilenameTaggerFeature : public BaseT {
public:
    typedef typename BaseT::char_type char_type;
    typedef typename BaseT::threading_model threading_model;
    FilenameTaggerFeature() = default;
    FilenameTaggerFeature(const FilenameTaggerFeature &obj);

    template <typename ArgsT>
    FilenameTaggerFeature(const ArgsT &args);

    typedef typename boost::log::strictest_lock<boost::lock_guard<threading_model>, typename BaseT::open_record_lock,
                                                typename BaseT::add_attribute_lock,
                                                typename BaseT::remove_attribute_lock>::type open_record_lock;

protected:
    template <typename ArgsT>
    boost::log::record open_record_unlocked(const ArgsT &args);
};

struct FilenameTagger : public boost::mpl::quote1<FilenameTaggerFeature> {};

template <typename BaseT>
class FunctionTaggerFeature : public BaseT {
public:
    typedef typename BaseT::char_type char_type;
    typedef typename BaseT::threading_model threading_model;
    FunctionTaggerFeature() = default;
    FunctionTaggerFeature(const FunctionTaggerFeature &obj);

    template <typename ArgsT>
    FunctionTaggerFeature(const ArgsT &args);

    typedef typename boost::log::strictest_lock<boost::lock_guard<threading_model>, typename BaseT::open_record_lock,
                                                typename BaseT::add_attribute_lock,
                                                typename BaseT::remove_attribute_lock>::type open_record_lock;

protected:
    template <typename ArgsT>
    boost::log::record open_record_unlocked(const ArgsT &args);
};

struct FunctionTagger : public boost::mpl::quote1<FunctionTaggerFeature> {};

template <typename BaseT>
class LineTaggerFeature : public BaseT {
public:
    typedef typename BaseT::char_type char_type;
    typedef typename BaseT::threading_model threading_model;
    LineTaggerFeature() = default;
    LineTaggerFeature(const LineTaggerFeature &obj);

    template <typename ArgsT>
    LineTaggerFeature(const ArgsT &args);

    typedef typename boost::log::strictest_lock<boost::lock_guard<threading_model>, typename BaseT::open_record_lock,
                                                typename BaseT::add_attribute_lock,
                                                typename BaseT::remove_attribute_lock>::type open_record_lock;

protected:
    template <typename ArgsT>
    boost::log::record open_record_unlocked(const ArgsT &args);
};

struct LineTagger : public boost::mpl::quote1<LineTaggerFeature> {};

template <typename LevelT = int>
class LocationLogger
    : public boost::log::sources::basic_composite_logger<
          char, LocationLogger<LevelT>, boost::log::sources::multi_thread_model<boost::log::aux::light_rw_mutex>,
          boost::log::sources::features<boost::log::sources::severity<LevelT>, FilenameTagger, FunctionTagger,
                                        LineTagger, CategoryTagger>> {
    typedef typename LocationLogger::logger_base base_type;

public:
    BOOST_LOG_FORWARD_LOGGER_MEMBERS_TEMPLATE(LocationLogger)
};

BOOST_LOG_GLOBAL_LOGGER(location_logger, LocationLogger<boost::log::trivial::severity_level>)

// clang-format off

#define LOG( lvl) \
    BOOST_LOG_STREAM_WITH_PARAMS(::location_logger::get(),\
    (::boost::log::keywords::severity = ::boost::log::trivial::lvl) \
    (AmassKeywords::FilenameTag = (AmassKeywords::fileName(__FILE__)))  \
    (AmassKeywords::FunctionTag = __func__)  \
    (AmassKeywords::LineTag = __LINE__))

#define LOG_CAT( lvl, cat) \
    BOOST_LOG_STREAM_WITH_PARAMS(::location_logger::get(),\
    (::boost::log::keywords::severity = ::boost::log::trivial::lvl) \
    (AmassKeywords::FilenameTag = (AmassKeywords::fileName(__FILE__)))  \
    (AmassKeywords::FunctionTag = __func__)  \
    (AmassKeywords::LineTag = __LINE__) \
    (AmassKeywords::CategoryTag = #cat))

#define LOG_FORMAT(lvl,...)\
    auto xxx_size = snprintf(nullptr,0,__VA_ARGS__);\
    std::string xxx_buffer(xxx_size,'\0');\
    snprintf(xxx_buffer.data(),xxx_buffer.size(),__VA_ARGS__);\
    LOG(lvl)<<std::move(xxx_buffer);

// clang-format on

#include "BoostLog.inl"
#endif // BOOSTLOG_H