spdlog/include/spdlog/sinks/stdout_sinks.h

101 lines
2.8 KiB
C++

//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#include "spdlog/details/console_globals.h"
#include "spdlog/details/null_mutex.h"
#include "spdlog/spdlog.h"
#include <cstdio>
#include <memory>
#include <mutex>
#include <spdlog/details/console_globals.h>
namespace spdlog {
namespace sinks {
template<typename TargetStream, typename ConsoleMutex>
class stdout_sink SPDLOG_FINAL : public sink
{
public:
using mutex_t = typename ConsoleMutex::mutex_t;
stdout_sink()
: mutex_(ConsoleMutex::mutex())
, file_(TargetStream::stream())
{
}
~stdout_sink() override = default;
stdout_sink(const stdout_sink &other) = delete;
stdout_sink &operator=(const stdout_sink &other) = delete;
void log(const details::log_msg &msg) override
{
std::lock_guard<mutex_t> lock(mutex_);
fmt::memory_buffer formatted;
formatter_->format(msg, formatted);
fwrite(formatted.data(), sizeof(char), formatted.size(), file_);
fflush(TargetStream::stream());
}
void flush() override
{
std::lock_guard<mutex_t> lock(mutex_);
fflush(file_);
}
void set_pattern(const std::string &pattern) override
{
std::lock_guard<mutex_t> lock(mutex_);
formatter_ = std::unique_ptr<spdlog::formatter>(new pattern_formatter(pattern));
}
void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) override
{
std::lock_guard<mutex_t> lock(mutex_);
formatter_ = std::move(sink_formatter);
}
private:
mutex_t &mutex_;
FILE *file_;
};
using stdout_sink_mt = stdout_sink<details::console_stdout, details::console_mutex>;
using stdout_sink_st = stdout_sink<details::console_stdout, details::console_nullmutex>;
using stderr_sink_mt = stdout_sink<details::console_stderr, details::console_mutex>;
using stderr_sink_st = stdout_sink<details::console_stderr, details::console_nullmutex>;
} // namespace sinks
// factory methods
template<typename Factory = default_factory>
inline std::shared_ptr<logger> stdout_logger_mt(const std::string &logger_name)
{
return Factory::template create<sinks::stdout_sink_mt>(logger_name);
}
template<typename Factory = default_factory>
inline std::shared_ptr<logger> stdout_logger_st(const std::string &logger_name)
{
return Factory::template create<sinks::stdout_sink_st>(logger_name);
}
template<typename Factory = default_factory>
inline std::shared_ptr<logger> stderr_logger_mt(const std::string &logger_name)
{
return Factory::template create<sinks::stderr_sink_mt>(logger_name);
}
template<typename Factory = default_factory>
inline std::shared_ptr<logger> stderr_logger_st(const std::string &logger_name)
{
return Factory::template create<sinks::stderr_sink_st>(logger_name);
}
} // namespace spdlog