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| // logger.h
#ifndef XLOGGER_H
#define XLOGGER_H
#include "spdlog/async.h"
#include "spdlog/fmt/bin_to_hex.h"
#include "spdlog/sinks/basic_file_sink.h"
#include "spdlog/sinks/rotating_file_sink.h"
#include "spdlog/sinks/stdout_color_sinks.h"
#include "spdlog/spdlog.h"
#include <memory>
#include <string>
#include <functional>
#define XLOGT(fmt, ...) Xlogger::instance().log_trace(fmt, ##__VA_ARGS__)
#define XLOGD(fmt, ...) Xlogger::instance().log_debug(fmt, ##__VA_ARGS__)
#define XLOGI(fmt, ...) Xlogger::instance().log_info(fmt, ##__VA_ARGS__)
#define XLOGW(fmt, ...) Xlogger::instance().log_warn(fmt, ##__VA_ARGS__)
#define XLOGE(fmt, ...) Xlogger::instance().log_error(fmt, ##__VA_ARGS__)
#define XLOGC(fmt, ...) Xlogger::instance().log_critical(fmt, ##__VA_ARGS__)
class Xlogger
{
private:
Xlogger(const Xlogger &) = delete;
Xlogger &operator=(const Xlogger &) = delete;
Xlogger() = default;
~Xlogger()
{
if (m_logger)
{
m_logger->flush();
}
}
public:
using Callback = std::function<void(const std::string &log)>;
static Xlogger &instance() {
static Xlogger logger;
return logger;
}
bool init(const std::string &name, // 日志器名称
const std::string &file = "./log/app.log", // 日志文件名
const std::string &pattern = "[%Y-%m-%d %H:%M:%S.%f] [%^%L%$] %v", // 日志样式
size_t rotation = 4, // 日志文件满4个时开始滚动日志
size_t file_size = 1024 * 1024 * 6, // 单个日志文件大小为6MB
spdlog::level::level_enum level = spdlog::level::debug, // 日志级别
spdlog::level::level_enum flush_on = spdlog::level::warn) // 当打印这个级别日志时flush
{
m_level = level;
if (m_logger)
{
return true;
}
auto &&function = [&]()
{
// 创建sinks
auto stdout_sink = std::make_shared<stdout_sink_t>();
auto rotating_sink = std::make_shared<rotating_sink_t>(file, file_size, rotation);
std::vector<spdlog::sink_ptr> sinks{stdout_sink, rotating_sink};
// 创建线程池和异步日志器
m_thread_pool = std::make_shared<spdlog::details::thread_pool>(8192, 1);
m_logger = std::make_shared<spdlog::async_logger>(name, sinks.begin(), sinks.end(), m_thread_pool, spdlog::async_overflow_policy::block);
// 设置日志属性
m_logger->set_pattern(pattern);
m_logger->set_level(level);
m_logger->flush_on(flush_on);
};
try
{
function();
return true;
}
catch (const std::exception &e)
{
SPDLOG_ERROR("Construct logger error: {}", e.what());
return false;
}
}
void set_callback(const Callback &callback)
{
m_callback = callback;
}
inline void flush()
{
if (m_logger)
{
m_logger->flush();
}
}
template <typename... Args>
inline void log_critical(const char *fmt, Args... args)
{
if (m_logger)
{
m_logger->critical(fmt, args...);
}
if (m_callback && (m_level <= spdlog::level::critical))
{
m_callback(spdlog::fmt_lib::format(fmt, args...));
}
}
template <typename... Args>
inline void log_error(const char *fmt, Args... args)
{
if (m_logger)
{
m_logger->error(fmt, args...);
}
if (m_callback && (m_level <= spdlog::level::err))
{
m_callback(spdlog::fmt_lib::format(fmt, args...));
}
}
template <typename... Args>
inline void log_warn(const char *fmt, Args... args)
{
if (m_logger)
{
m_logger->warn(fmt, args...);
}
if (m_callback && (m_level <= spdlog::level::warn))
{
m_callback(spdlog::fmt_lib::format(fmt, args...));
}
}
template <typename... Args>
inline void log_info(const char *fmt, Args... args)
{
if (m_logger)
{
m_logger->info(fmt, args...);
}
if (m_callback && (m_level <= spdlog::level::info))
{
m_callback(spdlog::fmt_lib::format(fmt, args...));
}
}
template <typename... Args>
inline void log_debug(const char *fmt, Args... args)
{
if (m_logger)
{
m_logger->debug(fmt, args...);
}
if (m_callback && (m_level <= spdlog::level::debug))
{
m_callback(spdlog::fmt_lib::format(fmt, args...));
}
}
template <typename... Args>
inline void log_trace(const char *fmt, Args... args)
{
if (m_logger)
{
m_logger->trace(fmt, args...);
}
if (m_callback && (m_level <= spdlog::level::trace))
{
m_callback(spdlog::fmt_lib::format(fmt, args...));
}
}
private:
using stdout_sink_t = spdlog::sinks::stdout_color_sink_mt;
using rotating_sink_t = spdlog::sinks::rotating_file_sink_mt;
std::shared_ptr<spdlog::logger> m_logger;
std::shared_ptr<spdlog::details::thread_pool> m_thread_pool;
spdlog::level::level_enum m_level;
Callback m_callback = nullptr;
};
#endif // XLOGGER_H
|