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Squashed 'vendor/spdlog/' content from commit 47c17be

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git-subtree-dir: vendor/spdlog
git-subtree-split: 47c17be9a111ab20123e1bd8e6c6717aa2adfea2
This commit is contained in:
Gero Müller
2017-11-02 12:46:32 +10:00
commit a4163d8b1b
104 changed files with 24050 additions and 0 deletions
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399
include/spdlog/details/async_log_helper.h Normal file
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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
// async log helper :
// Process logs asynchronously using a back thread.
//
// If the internal queue of log messages reaches its max size,
// then the client call will block until there is more room.
//
#pragma once
#include "spdlog/common.h"
#include "spdlog/sinks/sink.h"
#include "spdlog/details/mpmc_bounded_q.h"
#include "spdlog/details/log_msg.h"
#include "spdlog/details/os.h"
#include "spdlog/formatter.h"
#include <chrono>
#include <exception>
#include <functional>
#include <memory>
#include <string>
#include <thread>
#include <utility>
#include <vector>
namespace spdlog
{
namespace details
{
class async_log_helper
{
// Async msg to move to/from the queue
// Movable only. should never be copied
enum class async_msg_type
{
log,
flush,
terminate
};
struct async_msg
{
std::string logger_name;
level::level_enum level;
log_clock::time_point time;
size_t thread_id;
std::string txt;
async_msg_type msg_type;
size_t msg_id;
async_msg() = default;
~async_msg() = default;
async_msg(async_msg&& other) SPDLOG_NOEXCEPT:
logger_name(std::move(other.logger_name)),
level(std::move(other.level)),
time(std::move(other.time)),
thread_id(other.thread_id),
txt(std::move(other.txt)),
msg_type(std::move(other.msg_type)),
msg_id(other.msg_id)
{}
async_msg(async_msg_type m_type):
level(level::info),
thread_id(0),
msg_type(m_type),
msg_id(0)
{}
async_msg& operator=(async_msg&& other) SPDLOG_NOEXCEPT
{
logger_name = std::move(other.logger_name);
level = other.level;
time = std::move(other.time);
thread_id = other.thread_id;
txt = std::move(other.txt);
msg_type = other.msg_type;
msg_id = other.msg_id;
return *this;
}
// never copy or assign. should only be moved..
async_msg(const async_msg&) = delete;
async_msg& operator=(const async_msg& other) = delete;
// construct from log_msg
async_msg(const details::log_msg& m):
level(m.level),
time(m.time),
thread_id(m.thread_id),
txt(m.raw.data(), m.raw.size()),
msg_type(async_msg_type::log),
msg_id(m.msg_id)
{
#ifndef SPDLOG_NO_NAME
logger_name = *m.logger_name;
#endif
}
// copy into log_msg
void fill_log_msg(log_msg &msg)
{
msg.logger_name = &logger_name;
msg.level = level;
msg.time = time;
msg.thread_id = thread_id;
msg.raw << txt;
msg.msg_id = msg_id;
}
};
public:
using item_type = async_msg;
using q_type = details::mpmc_bounded_queue<item_type>;
using clock = std::chrono::steady_clock;
async_log_helper(formatter_ptr formatter,
const std::vector<sink_ptr>& sinks,
size_t queue_size,
const log_err_handler err_handler,
const async_overflow_policy overflow_policy = async_overflow_policy::block_retry,
const std::function<void()>& worker_warmup_cb = nullptr,
const std::chrono::milliseconds& flush_interval_ms = std::chrono::milliseconds::zero(),
const std::function<void()>& worker_teardown_cb = nullptr);
void log(const details::log_msg& msg);
// stop logging and join the back thread
~async_log_helper();
void set_formatter(formatter_ptr);
void flush(bool wait_for_q);
void set_error_handler(spdlog::log_err_handler err_handler);
private:
formatter_ptr _formatter;
std::vector<std::shared_ptr<sinks::sink>> _sinks;
// queue of messages to log
q_type _q;
log_err_handler _err_handler;
bool _flush_requested;
bool _terminate_requested;
// overflow policy
const async_overflow_policy _overflow_policy;
// worker thread warmup callback - one can set thread priority, affinity, etc
const std::function<void()> _worker_warmup_cb;
// auto periodic sink flush parameter
const std::chrono::milliseconds _flush_interval_ms;
// worker thread teardown callback
const std::function<void()> _worker_teardown_cb;
// worker thread
std::thread _worker_thread;
void push_msg(async_msg&& new_msg);
// worker thread main loop
void worker_loop();
// pop next message from the queue and process it. will set the last_pop to the pop time
// return false if termination of the queue is required
bool process_next_msg(log_clock::time_point& last_pop, log_clock::time_point& last_flush);
void handle_flush_interval(log_clock::time_point& now, log_clock::time_point& last_flush);
// sleep,yield or return immediately using the time passed since last message as a hint
static void sleep_or_yield(const spdlog::log_clock::time_point& now, const log_clock::time_point& last_op_time);
// wait until the queue is empty
void wait_empty_q();
};
}
}
///////////////////////////////////////////////////////////////////////////////
// async_sink class implementation
///////////////////////////////////////////////////////////////////////////////
inline spdlog::details::async_log_helper::async_log_helper(
formatter_ptr formatter,
const std::vector<sink_ptr>& sinks,
size_t queue_size,
log_err_handler err_handler,
const async_overflow_policy overflow_policy,
const std::function<void()>& worker_warmup_cb,
const std::chrono::milliseconds& flush_interval_ms,
const std::function<void()>& worker_teardown_cb):
_formatter(formatter),
_sinks(sinks),
_q(queue_size),
_err_handler(err_handler),
_flush_requested(false),
_terminate_requested(false),
_overflow_policy(overflow_policy),
_worker_warmup_cb(worker_warmup_cb),
_flush_interval_ms(flush_interval_ms),
_worker_teardown_cb(worker_teardown_cb),
_worker_thread(&async_log_helper::worker_loop, this)
{}
// Send to the worker thread termination message(level=off)
// and wait for it to finish gracefully
inline spdlog::details::async_log_helper::~async_log_helper()
{
try
{
push_msg(async_msg(async_msg_type::terminate));
_worker_thread.join();
}
catch (...) // don't crash in destructor
{
}
}
//Try to push and block until succeeded (if the policy is not to discard when the queue is full)
inline void spdlog::details::async_log_helper::log(const details::log_msg& msg)
{
push_msg(async_msg(msg));
}
inline void spdlog::details::async_log_helper::push_msg(details::async_log_helper::async_msg&& new_msg)
{
if (!_q.enqueue(std::move(new_msg)) && _overflow_policy != async_overflow_policy::discard_log_msg)
{
auto last_op_time = details::os::now();
auto now = last_op_time;
do
{
now = details::os::now();
sleep_or_yield(now, last_op_time);
}
while (!_q.enqueue(std::move(new_msg)));
}
}
// optionally wait for the queue be empty and request flush from the sinks
inline void spdlog::details::async_log_helper::flush(bool wait_for_q)
{
push_msg(async_msg(async_msg_type::flush));
if (wait_for_q)
wait_empty_q(); //return only make after the above flush message was processed
}
inline void spdlog::details::async_log_helper::worker_loop()
{
if (_worker_warmup_cb) _worker_warmup_cb();
auto last_pop = details::os::now();
auto last_flush = last_pop;
auto active = true;
while (active)
{
try
{
active = process_next_msg(last_pop, last_flush);
}
catch (const std::exception &ex)
{
_err_handler(ex.what());
}
catch (...)
{
_err_handler("Unknown exception");
}
}
if (_worker_teardown_cb) _worker_teardown_cb();
}
// process next message in the queue
// return true if this thread should still be active (while no terminate msg was received)
inline bool spdlog::details::async_log_helper::process_next_msg(log_clock::time_point& last_pop, log_clock::time_point& last_flush)
{
async_msg incoming_async_msg;
if (_q.dequeue(incoming_async_msg))
{
last_pop = details::os::now();
switch (incoming_async_msg.msg_type)
{
case async_msg_type::flush:
_flush_requested = true;
break;
case async_msg_type::terminate:
_flush_requested = true;
_terminate_requested = true;
break;
default:
log_msg incoming_log_msg;
incoming_async_msg.fill_log_msg(incoming_log_msg);
_formatter->format(incoming_log_msg);
for (auto &s : _sinks)
{
if (s->should_log(incoming_log_msg.level))
{
s->log(incoming_log_msg);
}
}
}
return true;
}
// Handle empty queue..
// This is the only place where the queue can terminate or flush to avoid losing messages already in the queue
else
{
auto now = details::os::now();
handle_flush_interval(now, last_flush);
sleep_or_yield(now, last_pop);
return !_terminate_requested;
}
}
// flush all sinks if _flush_interval_ms has expired
inline void spdlog::details::async_log_helper::handle_flush_interval(log_clock::time_point& now, log_clock::time_point& last_flush)
{
auto should_flush = _flush_requested || (_flush_interval_ms != std::chrono::milliseconds::zero() && now - last_flush >= _flush_interval_ms);
if (should_flush)
{
for (auto &s : _sinks)
s->flush();
now = last_flush = details::os::now();
_flush_requested = false;
}
}
inline void spdlog::details::async_log_helper::set_formatter(formatter_ptr msg_formatter)
{
_formatter = msg_formatter;
}
// spin, yield or sleep. use the time passed since last message as a hint
inline void spdlog::details::async_log_helper::sleep_or_yield(const spdlog::log_clock::time_point& now, const spdlog::log_clock::time_point& last_op_time)
{
using namespace std::this_thread;
using std::chrono::milliseconds;
using std::chrono::microseconds;
auto time_since_op = now - last_op_time;
// spin upto 50 micros
if (time_since_op <= microseconds(50))
return;
// yield upto 150 micros
if (time_since_op <= microseconds(100))
return std::this_thread::yield();
// sleep for 20 ms upto 200 ms
if (time_since_op <= milliseconds(200))
return sleep_for(milliseconds(20));
// sleep for 200 ms
return sleep_for(milliseconds(200));
}
// wait for the queue to be empty
inline void spdlog::details::async_log_helper::wait_empty_q()
{
auto last_op = details::os::now();
while (_q.approx_size() > 0)
{
sleep_or_yield(details::os::now(), last_op);
}
}
inline void spdlog::details::async_log_helper::set_error_handler(spdlog::log_err_handler err_handler)
{
_err_handler = err_handler;
}

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include/spdlog/details/async_logger_impl.h Normal file
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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
// Async Logger implementation
// Use an async_sink (queue per logger) to perform the logging in a worker thread
#include "spdlog/details/async_log_helper.h"
#include "spdlog/async_logger.h"
#include <string>
#include <functional>
#include <chrono>
#include <memory>
template<class It>
inline spdlog::async_logger::async_logger(const std::string& logger_name,
const It& begin,
const It& end,
size_t queue_size,
const async_overflow_policy overflow_policy,
const std::function<void()>& worker_warmup_cb,
const std::chrono::milliseconds& flush_interval_ms,
const std::function<void()>& worker_teardown_cb) :
logger(logger_name, begin, end),
_async_log_helper(new details::async_log_helper(_formatter, _sinks, queue_size, _err_handler, overflow_policy, worker_warmup_cb, flush_interval_ms, worker_teardown_cb))
{
}
inline spdlog::async_logger::async_logger(const std::string& logger_name,
sinks_init_list sinks_list,
size_t queue_size,
const async_overflow_policy overflow_policy,
const std::function<void()>& worker_warmup_cb,
const std::chrono::milliseconds& flush_interval_ms,
const std::function<void()>& worker_teardown_cb) :
async_logger(logger_name, sinks_list.begin(), sinks_list.end(), queue_size, overflow_policy, worker_warmup_cb, flush_interval_ms, worker_teardown_cb) {}
inline spdlog::async_logger::async_logger(const std::string& logger_name,
sink_ptr single_sink,
size_t queue_size,
const async_overflow_policy overflow_policy,
const std::function<void()>& worker_warmup_cb,
const std::chrono::milliseconds& flush_interval_ms,
const std::function<void()>& worker_teardown_cb) :
async_logger(logger_name,
{
single_sink
}, queue_size, overflow_policy, worker_warmup_cb, flush_interval_ms, worker_teardown_cb) {}
inline void spdlog::async_logger::flush()
{
_async_log_helper->flush(true);
}
// Error handler
inline void spdlog::async_logger::set_error_handler(spdlog::log_err_handler err_handler)
{
_err_handler = err_handler;
_async_log_helper->set_error_handler(err_handler);
}
inline spdlog::log_err_handler spdlog::async_logger::error_handler()
{
return _err_handler;
}
inline void spdlog::async_logger::_set_formatter(spdlog::formatter_ptr msg_formatter)
{
_formatter = msg_formatter;
_async_log_helper->set_formatter(_formatter);
}
inline void spdlog::async_logger::_set_pattern(const std::string& pattern, pattern_time_type pattern_time)
{
_formatter = std::make_shared<pattern_formatter>(pattern, pattern_time);
_async_log_helper->set_formatter(_formatter);
}
inline void spdlog::async_logger::_sink_it(details::log_msg& msg)
{
try
{
#if defined(SPDLOG_ENABLE_MESSAGE_COUNTER)
_incr_msg_counter(msg);
#endif
_async_log_helper->log(msg);
if (_should_flush_on(msg))
_async_log_helper->flush(false); // do async flush
}
catch (const std::exception &ex)
{
_err_handler(ex.what());
}
catch (...)
{
_err_handler("Unknown exception");
}
}

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include/spdlog/details/file_helper.h Normal file
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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
// Helper class for file sink
// When failing to open a file, retry several times(5) with small delay between the tries(10 ms)
// Throw spdlog_ex exception on errors
#include "spdlog/details/os.h"
#include "spdlog/details/log_msg.h"
#include <chrono>
#include <cstdio>
#include <string>
#include <thread>
#include <cerrno>
namespace spdlog
{
namespace details
{
class file_helper
{
public:
const int open_tries = 5;
const int open_interval = 10;
explicit file_helper() :
_fd(nullptr)
{}
file_helper(const file_helper&) = delete;
file_helper& operator=(const file_helper&) = delete;
~file_helper()
{
close();
}
void open(const filename_t& fname, bool truncate = false)
{
close();
auto *mode = truncate ? SPDLOG_FILENAME_T("wb") : SPDLOG_FILENAME_T("ab");
_filename = fname;
for (int tries = 0; tries < open_tries; ++tries)
{
if (!os::fopen_s(&_fd, fname, mode))
return;
std::this_thread::sleep_for(std::chrono::milliseconds(open_interval));
}
throw spdlog_ex("Failed opening file " + os::filename_to_str(_filename) + " for writing", errno);
}
void reopen(bool truncate)
{
if (_filename.empty())
throw spdlog_ex("Failed re opening file - was not opened before");
open(_filename, truncate);
}
void flush()
{
std::fflush(_fd);
}
void close()
{
if (_fd)
{
std::fclose(_fd);
_fd = nullptr;
}
}
void write(const log_msg& msg)
{
size_t msg_size = msg.formatted.size();
auto data = msg.formatted.data();
if (std::fwrite(data, 1, msg_size, _fd) != msg_size)
throw spdlog_ex("Failed writing to file " + os::filename_to_str(_filename), errno);
}
size_t size()
{
if (!_fd)
throw spdlog_ex("Cannot use size() on closed file " + os::filename_to_str(_filename));
return os::filesize(_fd);
}
const filename_t& filename() const
{
return _filename;
}
static bool file_exists(const filename_t& name)
{
return os::file_exists(name);
}
private:
FILE* _fd;
filename_t _filename;
};
}
}

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include/spdlog/details/log_msg.h Normal file
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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#include "spdlog/common.h"
#include "spdlog/details/os.h"
#include <string>
#include <utility>
namespace spdlog
{
namespace details
{
struct log_msg
{
log_msg() = default;
log_msg(const std::string *loggers_name, level::level_enum lvl) :
logger_name(loggers_name),
level(lvl),
msg_id(0)
{
#ifndef SPDLOG_NO_DATETIME
time = os::now();
#endif
#ifndef SPDLOG_NO_THREAD_ID
thread_id = os::thread_id();
#endif
}
log_msg(const log_msg& other) = delete;
log_msg& operator=(log_msg&& other) = delete;
log_msg(log_msg&& other) = delete;
const std::string *logger_name;
level::level_enum level;
log_clock::time_point time;
size_t thread_id;
fmt::MemoryWriter raw;
fmt::MemoryWriter formatted;
size_t msg_id;
};
}
}

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include/spdlog/details/logger_impl.h Normal file
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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#include "spdlog/logger.h"
#include "spdlog/sinks/stdout_sinks.h"
#include <memory>
#include <string>
// create logger with given name, sinks and the default pattern formatter
// all other ctors will call this one
template<class It>
inline spdlog::logger::logger(const std::string& logger_name, const It& begin, const It& end):
_name(logger_name),
_sinks(begin, end),
_formatter(std::make_shared<pattern_formatter>("%+")),
_level(level::info),
_flush_level(level::off),
_last_err_time(0),
_msg_counter(1) // message counter will start from 1. 0-message id will be reserved for controll messages
{
_err_handler = [this](const std::string &msg)
{
this->_default_err_handler(msg);
};
}
// ctor with sinks as init list
inline spdlog::logger::logger(const std::string& logger_name, sinks_init_list sinks_list):
logger(logger_name, sinks_list.begin(), sinks_list.end())
{}
// ctor with single sink
inline spdlog::logger::logger(const std::string& logger_name, spdlog::sink_ptr single_sink):
logger(logger_name,
{
single_sink
})
{}
inline spdlog::logger::~logger() = default;
inline void spdlog::logger::set_formatter(spdlog::formatter_ptr msg_formatter)
{
_set_formatter(msg_formatter);
}
inline void spdlog::logger::set_pattern(const std::string& pattern, pattern_time_type pattern_time)
{
_set_pattern(pattern, pattern_time);
}
template <typename... Args>
inline void spdlog::logger::log(level::level_enum lvl, const char* fmt, const Args&... args)
{
if (!should_log(lvl)) return;
try
{
details::log_msg log_msg(&_name, lvl);
#if defined(SPDLOG_FMT_PRINTF)
fmt::printf(log_msg.raw, fmt, args...);
#else
log_msg.raw.write(fmt, args...);
#endif
_sink_it(log_msg);
}
catch (const std::exception &ex)
{
_err_handler(ex.what());
}
SPDLOG_CATCH_ALL
{
_err_handler("Unknown exception");
}
}
template <typename... Args>
inline void spdlog::logger::log(level::level_enum lvl, const char* msg)
{
if (!should_log(lvl)) return;
try
{
details::log_msg log_msg(&_name, lvl);
log_msg.raw << msg;
_sink_it(log_msg);
}
catch (const std::exception &ex)
{
_err_handler(ex.what());
}
SPDLOG_CATCH_ALL
{
_err_handler("Unknown exception");
}
}
template<typename T>
inline void spdlog::logger::log(level::level_enum lvl, const T& msg)
{
if (!should_log(lvl)) return;
try
{
details::log_msg log_msg(&_name, lvl);
log_msg.raw << msg;
_sink_it(log_msg);
}
catch (const std::exception &ex)
{
_err_handler(ex.what());
}
SPDLOG_CATCH_ALL
{
_err_handler("Unknown exception");
}
}
template <typename Arg1, typename... Args>
inline void spdlog::logger::trace(const char* fmt, const Arg1 &arg1, const Args&... args)
{
log(level::trace, fmt, arg1, args...);
}
template <typename Arg1, typename... Args>
inline void spdlog::logger::debug(const char* fmt, const Arg1 &arg1, const Args&... args)
{
log(level::debug, fmt, arg1, args...);
}
template <typename Arg1, typename... Args>
inline void spdlog::logger::info(const char* fmt, const Arg1 &arg1, const Args&... args)
{
log(level::info, fmt, arg1, args...);
}
template <typename Arg1, typename... Args>
inline void spdlog::logger::warn(const char* fmt, const Arg1 &arg1, const Args&... args)
{
log(level::warn, fmt, arg1, args...);
}
template <typename Arg1, typename... Args>
inline void spdlog::logger::error(const char* fmt, const Arg1 &arg1, const Args&... args)
{
log(level::err, fmt, arg1, args...);
}
template <typename Arg1, typename... Args>
inline void spdlog::logger::critical(const char* fmt, const Arg1 &arg1, const Args&... args)
{
log(level::critical, fmt, arg1, args...);
}
template <typename... Args>
inline void spdlog::logger::log_if(const bool flag, level::level_enum lvl, const char* msg)
{
if (flag)
{
log(lvl, msg);
}
}
template<typename T>
inline void spdlog::logger::log_if(const bool flag, level::level_enum lvl, const T& msg)
{
if (flag)
{
log(lvl, msg);
}
}
template <typename Arg1, typename... Args>
inline void spdlog::logger::trace_if(const bool flag, const char* fmt, const Arg1 &arg1, const Args&... args)
{
if (flag)
{
log(level::trace, fmt, arg1, args...);
}
}
template <typename Arg1, typename... Args>
inline void spdlog::logger::debug_if(const bool flag, const char* fmt, const Arg1 &arg1, const Args&... args)
{
if (flag)
{
log(level::debug, fmt, arg1, args...);
}
}
template <typename Arg1, typename... Args>
inline void spdlog::logger::info_if(const bool flag, const char* fmt, const Arg1 &arg1, const Args&... args)
{
if (flag)
{
log(level::info, fmt, arg1, args...);
}
}
template <typename Arg1, typename... Args>
inline void spdlog::logger::warn_if(const bool flag, const char* fmt, const Arg1& arg1, const Args&... args)
{
if (flag)
{
log(level::warn, fmt, arg1, args...);
}
}
template <typename Arg1, typename... Args>
inline void spdlog::logger::error_if(const bool flag, const char* fmt, const Arg1 &arg1, const Args&... args)
{
if (flag)
{
log(level::err, fmt, arg1, args...);
}
}
template <typename Arg1, typename... Args>
inline void spdlog::logger::critical_if(const bool flag, const char* fmt, const Arg1 &arg1, const Args&... args)
{
if (flag)
{
log(level::critical, fmt, arg1, args...);
}
}
template<typename T>
inline void spdlog::logger::trace(const T& msg)
{
log(level::trace, msg);
}
template<typename T>
inline void spdlog::logger::debug(const T& msg)
{
log(level::debug, msg);
}
template<typename T>
inline void spdlog::logger::info(const T& msg)
{
log(level::info, msg);
}
template<typename T>
inline void spdlog::logger::warn(const T& msg)
{
log(level::warn, msg);
}
template<typename T>
inline void spdlog::logger::error(const T& msg)
{
log(level::err, msg);
}
template<typename T>
inline void spdlog::logger::critical(const T& msg)
{
log(level::critical, msg);
}
template<typename T>
inline void spdlog::logger::trace_if(const bool flag, const T& msg)
{
if (flag)
{
log(level::trace, msg);
}
}
template<typename T>
inline void spdlog::logger::debug_if(const bool flag, const T& msg)
{
if (flag)
{
log(level::debug, msg);
}
}
template<typename T>
inline void spdlog::logger::info_if(const bool flag, const T& msg)
{
if (flag)
{
log(level::info, msg);
}
}
template<typename T>
inline void spdlog::logger::warn_if(const bool flag, const T& msg)
{
if (flag)
{
log(level::warn, msg);
}
}
template<typename T>
inline void spdlog::logger::error_if(const bool flag, const T& msg)
{
if (flag)
{
log(level::err, msg);
}
}
template<typename T>
inline void spdlog::logger::critical_if(const bool flag, const T& msg)
{
if (flag)
{
log(level::critical, msg);
}
}
#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
#include <codecvt>
#include <locale>
template <typename... Args>
inline void spdlog::logger::log(level::level_enum lvl, const wchar_t* msg)
{
std::wstring_convert<std::codecvt_utf8<wchar_t> > conv;
log(lvl, conv.to_bytes(msg));
}
template <typename... Args>
inline void spdlog::logger::log(level::level_enum lvl, const wchar_t* fmt, const Args&... args)
{
fmt::WMemoryWriter wWriter;
wWriter.write(fmt, args...);
log(lvl, wWriter.c_str());
}
template <typename... Args>
inline void spdlog::logger::trace(const wchar_t* fmt, const Args&... args)
{
log(level::trace, fmt, args...);
}
template <typename... Args>
inline void spdlog::logger::debug(const wchar_t* fmt, const Args&... args)
{
log(level::debug, fmt, args...);
}
template <typename... Args>
inline void spdlog::logger::info(const wchar_t* fmt, const Args&... args)
{
log(level::info, fmt, args...);
}
template <typename... Args>
inline void spdlog::logger::warn(const wchar_t* fmt, const Args&... args)
{
log(level::warn, fmt, args...);
}
template <typename... Args>
inline void spdlog::logger::error(const wchar_t* fmt, const Args&... args)
{
log(level::err, fmt, args...);
}
template <typename... Args>
inline void spdlog::logger::critical(const wchar_t* fmt, const Args&... args)
{
log(level::critical, fmt, args...);
}
//
// conditional logging
//
template <typename... Args>
inline void spdlog::logger::log_if(const bool flag, level::level_enum lvl, const wchar_t* msg)
{
if (flag)
{
log(lvl, msg);
}
}
template <typename... Args>
inline void spdlog::logger::log_if(const bool flag, level::level_enum lvl, const wchar_t* fmt, const Args&... args)
{
if (flag)
{
log(lvl, fmt, args...);
}
}
template <typename... Args>
inline void spdlog::logger::trace_if(const bool flag, const wchar_t* fmt, const Args&... args)
{
if (flag)
{
log(level::trace, fmt, args...);
}
}
template <typename... Args>
inline void spdlog::logger::debug_if(const bool flag, const wchar_t* fmt, const Args&... args)
{
if (flag)
{
log(level::debug, fmt, args...);
}
}
template <typename... Args>
inline void spdlog::logger::info_if(const bool flag, const wchar_t* fmt, const Args&... args)
{
if (flag)
{
log(level::info, fmt, args...);
}
}
template <typename... Args>
inline void spdlog::logger::warn_if(const bool flag, const wchar_t* fmt, const Args&... args)
{
if (flag)
{
log(level::warn, fmt, args...);
}
}
template <typename... Args>
inline void spdlog::logger::error_if(const bool flag, const wchar_t* fmt, const Args&... args)
{
if (flag)
{
log(level::err, fmt, args...);
}
}
template <typename... Args>
inline void spdlog::logger::critical_if(const bool flag, const wchar_t* fmt, const Args&... args)
{
if (flag)
{
log(level::critical, fmt, args...);
}
}
#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT
//
// name and level
//
inline const std::string& spdlog::logger::name() const
{
return _name;
}
inline void spdlog::logger::set_level(spdlog::level::level_enum log_level)
{
_level.store(log_level);
}
inline void spdlog::logger::set_error_handler(spdlog::log_err_handler err_handler)
{
_err_handler = err_handler;
}
inline spdlog::log_err_handler spdlog::logger::error_handler()
{
return _err_handler;
}
inline void spdlog::logger::flush_on(level::level_enum log_level)
{
_flush_level.store(log_level);
}
inline spdlog::level::level_enum spdlog::logger::level() const
{
return static_cast<spdlog::level::level_enum>(_level.load(std::memory_order_relaxed));
}
inline bool spdlog::logger::should_log(spdlog::level::level_enum msg_level) const
{
return msg_level >= _level.load(std::memory_order_relaxed);
}
//
// protected virtual called at end of each user log call (if enabled) by the line_logger
//
inline void spdlog::logger::_sink_it(details::log_msg& msg)
{
#if defined(SPDLOG_ENABLE_MESSAGE_COUNTER)
_incr_msg_counter(msg);
#endif
_formatter->format(msg);
for (auto &sink : _sinks)
{
if( sink->should_log( msg.level))
{
sink->log(msg);
}
}
if(_should_flush_on(msg))
flush();
}
inline void spdlog::logger::_set_pattern(const std::string& pattern, pattern_time_type pattern_time)
{
_formatter = std::make_shared<pattern_formatter>(pattern, pattern_time);
}
inline void spdlog::logger::_set_formatter(formatter_ptr msg_formatter)
{
_formatter = msg_formatter;
}
inline void spdlog::logger::flush()
{
for (auto& sink : _sinks)
sink->flush();
}
inline void spdlog::logger::_default_err_handler(const std::string &msg)
{
auto now = time(nullptr);
if (now - _last_err_time < 60)
return;
auto tm_time = details::os::localtime(now);
char date_buf[100];
std::strftime(date_buf, sizeof(date_buf), "%Y-%m-%d %H:%M:%S", &tm_time);
details::log_msg err_msg;
err_msg.formatted.write("[*** LOG ERROR ***] [{}] [{}] [{}]{}", name(), msg, date_buf, details::os::eol);
sinks::stderr_sink_mt::instance()->log(err_msg);
_last_err_time = now;
}
inline bool spdlog::logger::_should_flush_on(const details::log_msg &msg)
{
const auto flush_level = _flush_level.load(std::memory_order_relaxed);
return (msg.level >= flush_level) && (msg.level != level::off);
}
inline void spdlog::logger::_incr_msg_counter(details::log_msg &msg)
{
msg.msg_id = _msg_counter.fetch_add(1, std::memory_order_relaxed);
}
inline const std::vector<spdlog::sink_ptr>& spdlog::logger::sinks() const
{
return _sinks;
}
#undef SPDLOG_CATCH_ALL

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/*
A modified version of Bounded MPMC queue by Dmitry Vyukov.
Original code from:
http://www.1024cores.net/home/lock-free-algorithms/queues/bounded-mpmc-queue
licensed by Dmitry Vyukov under the terms below:
Simplified BSD license
Copyright (c) 2010-2011 Dmitry Vyukov. All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this list of
conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list
of conditions and the following disclaimer in the documentation and/or other materials
provided with the distribution.
THIS SOFTWARE IS PROVIDED BY DMITRY VYUKOV "AS IS" AND ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
SHALL DMITRY VYUKOV OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
The views and conclusions contained in the software and documentation are those of the authors and
should not be interpreted as representing official policies, either expressed or implied, of Dmitry Vyukov.
*/
/*
The code in its current form adds the license below:
Copyright(c) 2015 Gabi Melman.
Distributed under the MIT License (http://opensource.org/licenses/MIT)
*/
#pragma once
#include "spdlog/common.h"
#include <atomic>
#include <utility>
namespace spdlog
{
namespace details
{
template<typename T>
class mpmc_bounded_queue
{
public:
using item_type = T;
mpmc_bounded_queue(size_t buffer_size)
:max_size_(buffer_size),
buffer_(new cell_t [buffer_size]),
buffer_mask_(buffer_size - 1)
{
//queue size must be power of two
if(!((buffer_size >= 2) && ((buffer_size & (buffer_size - 1)) == 0)))
throw spdlog_ex("async logger queue size must be power of two");
for (size_t i = 0; i != buffer_size; i += 1)
buffer_[i].sequence_.store(i, std::memory_order_relaxed);
enqueue_pos_.store(0, std::memory_order_relaxed);
dequeue_pos_.store(0, std::memory_order_relaxed);
}
~mpmc_bounded_queue()
{
delete [] buffer_;
}
bool enqueue(T&& data)
{
cell_t* cell;
size_t pos = enqueue_pos_.load(std::memory_order_relaxed);
for (;;)
{
cell = &buffer_[pos & buffer_mask_];
size_t seq = cell->sequence_.load(std::memory_order_acquire);
intptr_t dif = static_cast<intptr_t>(seq) - static_cast<intptr_t>(pos);
if (dif == 0)
{
if (enqueue_pos_.compare_exchange_weak(pos, pos + 1, std::memory_order_relaxed))
break;
}
else if (dif < 0)
{
return false;
}
else
{
pos = enqueue_pos_.load(std::memory_order_relaxed);
}
}
cell->data_ = std::move(data);
cell->sequence_.store(pos + 1, std::memory_order_release);
return true;
}
bool dequeue(T& data)
{
cell_t* cell;
size_t pos = dequeue_pos_.load(std::memory_order_relaxed);
for (;;)
{
cell = &buffer_[pos & buffer_mask_];
size_t seq =
cell->sequence_.load(std::memory_order_acquire);
intptr_t dif = static_cast<intptr_t>(seq) - static_cast<intptr_t>(pos + 1);
if (dif == 0)
{
if (dequeue_pos_.compare_exchange_weak(pos, pos + 1, std::memory_order_relaxed))
break;
}
else if (dif < 0)
return false;
else
pos = dequeue_pos_.load(std::memory_order_relaxed);
}
data = std::move(cell->data_);
cell->sequence_.store(pos + buffer_mask_ + 1, std::memory_order_release);
return true;
}
size_t approx_size()
{
size_t first_pos = dequeue_pos_.load(std::memory_order_relaxed);
size_t last_pos = enqueue_pos_.load(std::memory_order_relaxed);
if (last_pos <= first_pos)
return 0;
auto size = last_pos - first_pos;
return size < max_size_ ? size : max_size_;
}
private:
struct cell_t
{
std::atomic<size_t> sequence_;
T data_;
};
size_t const max_size_;
static size_t const cacheline_size = 64;
typedef char cacheline_pad_t [cacheline_size];
cacheline_pad_t pad0_;
cell_t* const buffer_;
size_t const buffer_mask_;
cacheline_pad_t pad1_;
std::atomic<size_t> enqueue_pos_;
cacheline_pad_t pad2_;
std::atomic<size_t> dequeue_pos_;
cacheline_pad_t pad3_;
mpmc_bounded_queue(mpmc_bounded_queue const&) = delete;
void operator= (mpmc_bounded_queue const&) = delete;
};
} // ns details
} // ns spdlog

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#include <atomic>
// null, no cost dummy "mutex" and dummy "atomic" int
namespace spdlog
{
namespace details
{
struct null_mutex
{
void lock() {}
void unlock() {}
bool try_lock()
{
return true;
}
};
struct null_atomic_int
{
int value;
null_atomic_int() = default;
null_atomic_int(int val):value(val)
{}
int load(std::memory_order) const
{
return value;
}
void store(int val)
{
value = val;
}
};
}
}

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#include "spdlog/common.h"
#include <cstdio>
#include <ctime>
#include <functional>
#include <string>
#include <chrono>
#include <thread>
#include <algorithm>
#include <cstring>
#include <cstdlib>
#include <sys/stat.h>
#include <sys/types.h>
#ifdef _WIN32
#ifndef NOMINMAX
#define NOMINMAX //prevent windows redefining min/max
#endif
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#include <process.h> // _get_pid support
#include <io.h> // _get_osfhandle and _isatty support
#ifdef __MINGW32__
#include <share.h>
#endif
#else // unix
#include <unistd.h>
#include <fcntl.h>
#ifdef __linux__
#include <sys/syscall.h> //Use gettid() syscall under linux to get thread id
#elif __FreeBSD__
#include <sys/thr.h> //Use thr_self() syscall under FreeBSD to get thread id
#endif
#endif //unix
#ifndef __has_feature // Clang - feature checking macros.
#define __has_feature(x) 0 // Compatibility with non-clang compilers.
#endif
namespace spdlog
{
namespace details
{
namespace os
{
inline spdlog::log_clock::time_point now()
{
#if defined __linux__ && defined SPDLOG_CLOCK_COARSE
timespec ts;
::clock_gettime(CLOCK_REALTIME_COARSE, &ts);
return std::chrono::time_point<log_clock, typename log_clock::duration>(
std::chrono::duration_cast<typename log_clock::duration>(
std::chrono::seconds(ts.tv_sec) + std::chrono::nanoseconds(ts.tv_nsec)));
#else
return log_clock::now();
#endif
}
inline std::tm localtime(const std::time_t &time_tt)
{
#ifdef _WIN32
std::tm tm;
localtime_s(&tm, &time_tt);
#else
std::tm tm;
localtime_r(&time_tt, &tm);
#endif
return tm;
}
inline std::tm localtime()
{
std::time_t now_t = time(nullptr);
return localtime(now_t);
}
inline std::tm gmtime(const std::time_t &time_tt)
{
#ifdef _WIN32
std::tm tm;
gmtime_s(&tm, &time_tt);
#else
std::tm tm;
gmtime_r(&time_tt, &tm);
#endif
return tm;
}
inline std::tm gmtime()
{
std::time_t now_t = time(nullptr);
return gmtime(now_t);
}
inline bool operator==(const std::tm& tm1, const std::tm& tm2)
{
return (tm1.tm_sec == tm2.tm_sec &&
tm1.tm_min == tm2.tm_min &&
tm1.tm_hour == tm2.tm_hour &&
tm1.tm_mday == tm2.tm_mday &&
tm1.tm_mon == tm2.tm_mon &&
tm1.tm_year == tm2.tm_year &&
tm1.tm_isdst == tm2.tm_isdst);
}
inline bool operator!=(const std::tm& tm1, const std::tm& tm2)
{
return !(tm1 == tm2);
}
// eol definition
#if !defined (SPDLOG_EOL)
#ifdef _WIN32
#define SPDLOG_EOL "\r\n"
#else
#define SPDLOG_EOL "\n"
#endif
#endif
SPDLOG_CONSTEXPR static const char* eol = SPDLOG_EOL;
SPDLOG_CONSTEXPR static int eol_size = sizeof(SPDLOG_EOL) - 1;
inline void prevent_child_fd(FILE *f)
{
#ifdef _WIN32
auto file_handle = (HANDLE)_get_osfhandle(_fileno(f));
if (!::SetHandleInformation(file_handle, HANDLE_FLAG_INHERIT, 0))
throw spdlog_ex("SetHandleInformation failed", errno);
#else
auto fd = fileno(f);
if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
throw spdlog_ex("fcntl with FD_CLOEXEC failed", errno);
#endif
}
//fopen_s on non windows for writing
inline int fopen_s(FILE** fp, const filename_t& filename, const filename_t& mode)
{
#ifdef _WIN32
#ifdef SPDLOG_WCHAR_FILENAMES
*fp = _wfsopen((filename.c_str()), mode.c_str(), _SH_DENYWR);
#else
*fp = _fsopen((filename.c_str()), mode.c_str(), _SH_DENYWR);
#endif
#else //unix
*fp = fopen((filename.c_str()), mode.c_str());
#endif
#ifdef SPDLOG_PREVENT_CHILD_FD
if (*fp != nullptr)
prevent_child_fd(*fp);
#endif
return *fp == nullptr;
}
inline int remove(const filename_t &filename)
{
#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
return _wremove(filename.c_str());
#else
return std::remove(filename.c_str());
#endif
}
inline int rename(const filename_t& filename1, const filename_t& filename2)
{
#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
return _wrename(filename1.c_str(), filename2.c_str());
#else
return std::rename(filename1.c_str(), filename2.c_str());
#endif
}
//Return if file exists
inline bool file_exists(const filename_t& filename)
{
#ifdef _WIN32
#ifdef SPDLOG_WCHAR_FILENAMES
auto attribs = GetFileAttributesW(filename.c_str());
#else
auto attribs = GetFileAttributesA(filename.c_str());
#endif
return (attribs != INVALID_FILE_ATTRIBUTES && !(attribs & FILE_ATTRIBUTE_DIRECTORY));
#else //common linux/unix all have the stat system call
struct stat buffer;
return (stat(filename.c_str(), &buffer) == 0);
#endif
}
//Return file size according to open FILE* object
inline size_t filesize(FILE *f)
{
if (f == nullptr)
throw spdlog_ex("Failed getting file size. fd is null");
#ifdef _WIN32
int fd = _fileno(f);
#if _WIN64 //64 bits
struct _stat64 st;
if (_fstat64(fd, &st) == 0)
return st.st_size;
#else //windows 32 bits
long ret = _filelength(fd);
if (ret >= 0)
return static_cast<size_t>(ret);
#endif
#else // unix
int fd = fileno(f);
//64 bits(but not in osx, where fstat64 is deprecated)
#if !defined(__FreeBSD__) && !defined(__APPLE__) && (defined(__x86_64__) || defined(__ppc64__))
struct stat64 st;
if (fstat64(fd, &st) == 0)
return static_cast<size_t>(st.st_size);
#else // unix 32 bits or osx
struct stat st;
if (fstat(fd, &st) == 0)
return static_cast<size_t>(st.st_size);
#endif
#endif
throw spdlog_ex("Failed getting file size from fd", errno);
}
//Return utc offset in minutes or throw spdlog_ex on failure
inline int utc_minutes_offset(const std::tm& tm = details::os::localtime())
{
#ifdef _WIN32
#if _WIN32_WINNT < _WIN32_WINNT_WS08
TIME_ZONE_INFORMATION tzinfo;
auto rv = GetTimeZoneInformation(&tzinfo);
#else
DYNAMIC_TIME_ZONE_INFORMATION tzinfo;
auto rv = GetDynamicTimeZoneInformation(&tzinfo);
#endif
if (rv == TIME_ZONE_ID_INVALID)
throw spdlog::spdlog_ex("Failed getting timezone info. ", errno);
int offset = -tzinfo.Bias;
if (tm.tm_isdst)
offset -= tzinfo.DaylightBias;
else
offset -= tzinfo.StandardBias;
return offset;
#else
#if defined(sun) || defined(__sun)
// 'tm_gmtoff' field is BSD extension and it's missing on SunOS/Solaris
struct helper
{
static long int calculate_gmt_offset(const std::tm & localtm = details::os::localtime(), const std::tm & gmtm = details::os::gmtime())
{
int local_year = localtm.tm_year + (1900 - 1);
int gmt_year = gmtm.tm_year + (1900 - 1);
long int days = (
// difference in day of year
localtm.tm_yday - gmtm.tm_yday
// + intervening leap days
+ ((local_year >> 2) - (gmt_year >> 2))
- (local_year / 100 - gmt_year / 100)
+ ((local_year / 100 >> 2) - (gmt_year / 100 >> 2))
// + difference in years * 365 */
+ (long int)(local_year - gmt_year) * 365
);
long int hours = (24 * days) + (localtm.tm_hour - gmtm.tm_hour);
long int mins = (60 * hours) + (localtm.tm_min - gmtm.tm_min);
long int secs = (60 * mins) + (localtm.tm_sec - gmtm.tm_sec);
return secs;
}
};
long int offset_seconds = helper::calculate_gmt_offset(tm);
#else
long int offset_seconds = tm.tm_gmtoff;
#endif
return static_cast<int>(offset_seconds / 60);
#endif
}
//Return current thread id as size_t
//It exists because the std::this_thread::get_id() is much slower(espcially under VS 2013)
inline size_t _thread_id()
{
#ifdef _WIN32
return static_cast<size_t>(::GetCurrentThreadId());
#elif __linux__
# if defined(__ANDROID__) && defined(__ANDROID_API__) && (__ANDROID_API__ < 21)
# define SYS_gettid __NR_gettid
# endif
return static_cast<size_t>(syscall(SYS_gettid));
#elif __FreeBSD__
long tid;
thr_self(&tid);
return static_cast<size_t>(tid);
#elif __APPLE__
uint64_t tid;
pthread_threadid_np(nullptr, &tid);
return static_cast<size_t>(tid);
#else //Default to standard C++11 (other Unix)
return static_cast<size_t>(std::hash<std::thread::id>()(std::this_thread::get_id()));
#endif
}
//Return current thread id as size_t (from thread local storage)
inline size_t thread_id()
{
#if defined(_MSC_VER) && (_MSC_VER < 1900) || defined(__clang__) && !__has_feature(cxx_thread_local)
return _thread_id();
#else
static thread_local const size_t tid = _thread_id();
return tid;
#endif
}
// wchar support for windows file names (SPDLOG_WCHAR_FILENAMES must be defined)
#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
#define SPDLOG_FILENAME_T(s) L ## s
inline std::string filename_to_str(const filename_t& filename)
{
std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> c;
return c.to_bytes(filename);
}
#else
#define SPDLOG_FILENAME_T(s) s
inline std::string filename_to_str(const filename_t& filename)
{
return filename;
}
#endif
inline std::string errno_to_string(char[256], char* res)
{
return std::string(res);
}
inline std::string errno_to_string(char buf[256], int res)
{
if (res == 0)
{
return std::string(buf);
}
else
{
return "Unknown error";
}
}
// Return errno string (thread safe)
inline std::string errno_str(int err_num)
{
char buf[256];
SPDLOG_CONSTEXPR auto buf_size = sizeof(buf);
#ifdef _WIN32
if (strerror_s(buf, buf_size, err_num) == 0)
return std::string(buf);
else
return "Unknown error";
#elif defined(__FreeBSD__) || defined(__APPLE__) || defined(ANDROID) || defined(__SUNPRO_CC) || \
((_POSIX_C_SOURCE >= 200112L) && ! defined(_GNU_SOURCE)) // posix version
if (strerror_r(err_num, buf, buf_size) == 0)
return std::string(buf);
else
return "Unknown error";
#else // gnu version (might not use the given buf, so its retval pointer must be used)
auto err = strerror_r(err_num, buf, buf_size); // let compiler choose type
return errno_to_string(buf, err); // use overloading to select correct stringify function
#endif
}
inline int pid()
{
#ifdef _WIN32
return ::_getpid();
#else
return static_cast<int>(::getpid());
#endif
}
// Detrmine if the terminal supports colors
// Source: https://github.com/agauniyal/rang/
inline bool is_color_terminal()
{
#ifdef _WIN32
return true;
#else
static constexpr const char* Terms[] =
{
"ansi", "color", "console", "cygwin", "gnome", "konsole", "kterm",
"linux", "msys", "putty", "rxvt", "screen", "vt100", "xterm"
};
const char *env_p = std::getenv("TERM");
if (env_p == nullptr)
{
return false;
}
static const bool result = std::any_of(
std::begin(Terms), std::end(Terms), [&](const char* term)
{
return std::strstr(env_p, term) != nullptr;
});
return result;
#endif
}
// Detrmine if the terminal attached
// Source: https://github.com/agauniyal/rang/
inline bool in_terminal(FILE* file)
{
#ifdef _WIN32
return _isatty(_fileno(file)) ? true : false;
#else
return isatty(fileno(file)) ? true : false;
#endif
}
} //os
} //details
} //spdlog

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#include "spdlog/formatter.h"
#include "spdlog/details/log_msg.h"
#include "spdlog/details/os.h"
#include "spdlog/fmt/fmt.h"
#include <chrono>
#include <ctime>
#include <memory>
#include <mutex>
#include <string>
#include <thread>
#include <utility>
#include <vector>
#include <array>
namespace spdlog
{
namespace details
{
class flag_formatter
{
public:
virtual ~flag_formatter()
{}
virtual void format(details::log_msg& msg, const std::tm& tm_time) = 0;
};
///////////////////////////////////////////////////////////////////////
// name & level pattern appenders
///////////////////////////////////////////////////////////////////////
namespace
{
class name_formatter:public flag_formatter
{
void format(details::log_msg& msg, const std::tm&) override
{
msg.formatted << *msg.logger_name;
}
};
}
// log level appender
class level_formatter:public flag_formatter
{
void format(details::log_msg& msg, const std::tm&) override
{
msg.formatted << level::to_str(msg.level);
}
};
// short log level appender
class short_level_formatter:public flag_formatter
{
void format(details::log_msg& msg, const std::tm&) override
{
msg.formatted << level::to_short_str(msg.level);
}
};
///////////////////////////////////////////////////////////////////////
// Date time pattern appenders
///////////////////////////////////////////////////////////////////////
static const char* ampm(const tm& t)
{
return t.tm_hour >= 12 ? "PM" : "AM";
}
static int to12h(const tm& t)
{
return t.tm_hour > 12 ? t.tm_hour - 12 : t.tm_hour;
}
//Abbreviated weekday name
static const std::string days[] { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" };
class a_formatter:public flag_formatter
{
void format(details::log_msg& msg, const std::tm& tm_time) override
{
msg.formatted << days[tm_time.tm_wday];
}
};
//Full weekday name
static const std::string full_days[] { "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" };
class A_formatter:public flag_formatter
{
void format(details::log_msg& msg, const std::tm& tm_time) override
{
msg.formatted << full_days[tm_time.tm_wday];
}
};
//Abbreviated month
static const std::string months[] { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sept", "Oct", "Nov", "Dec" };
class b_formatter:public flag_formatter
{
void format(details::log_msg& msg, const std::tm& tm_time) override
{
msg.formatted << months[tm_time.tm_mon];
}
};
//Full month name
static const std::string full_months[] { "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" };
class B_formatter:public flag_formatter
{
void format(details::log_msg& msg, const std::tm& tm_time) override
{
msg.formatted << full_months[tm_time.tm_mon];
}
};
//write 2 ints separated by sep with padding of 2
static fmt::MemoryWriter& pad_n_join(fmt::MemoryWriter& w, int v1, int v2, char sep)
{
w << fmt::pad(v1, 2, '0') << sep << fmt::pad(v2, 2, '0');
return w;
}
//write 3 ints separated by sep with padding of 2
static fmt::MemoryWriter& pad_n_join(fmt::MemoryWriter& w, int v1, int v2, int v3, char sep)
{
w << fmt::pad(v1, 2, '0') << sep << fmt::pad(v2, 2, '0') << sep << fmt::pad(v3, 2, '0');
return w;
}
//Date and time representation (Thu Aug 23 15:35:46 2014)
class c_formatter SPDLOG_FINAL:public flag_formatter
{
void format(details::log_msg& msg, const std::tm& tm_time) override
{
msg.formatted << days[tm_time.tm_wday] << ' ' << months[tm_time.tm_mon] << ' ' << tm_time.tm_mday << ' ';
pad_n_join(msg.formatted, tm_time.tm_hour, tm_time.tm_min, tm_time.tm_sec, ':') << ' ' << tm_time.tm_year + 1900;
}
};
// year - 2 digit
class C_formatter SPDLOG_FINAL:public flag_formatter
{
void format(details::log_msg& msg, const std::tm& tm_time) override
{
msg.formatted << fmt::pad(tm_time.tm_year % 100, 2, '0');
}
};
// Short MM/DD/YY date, equivalent to %m/%d/%y 08/23/01
class D_formatter SPDLOG_FINAL:public flag_formatter
{
void format(details::log_msg& msg, const std::tm& tm_time) override
{
pad_n_join(msg.formatted, tm_time.tm_mon + 1, tm_time.tm_mday, tm_time.tm_year % 100, '/');
}
};
// year - 4 digit
class Y_formatter SPDLOG_FINAL:public flag_formatter
{
void format(details::log_msg& msg, const std::tm& tm_time) override
{
msg.formatted << tm_time.tm_year + 1900;
}
};
// month 1-12
class m_formatter SPDLOG_FINAL:public flag_formatter
{
void format(details::log_msg& msg, const std::tm& tm_time) override
{
msg.formatted << fmt::pad(tm_time.tm_mon + 1, 2, '0');
}
};
// day of month 1-31
class d_formatter SPDLOG_FINAL:public flag_formatter
{
void format(details::log_msg& msg, const std::tm& tm_time) override
{
msg.formatted << fmt::pad(tm_time.tm_mday, 2, '0');
}
};
// hours in 24 format 0-23
class H_formatter SPDLOG_FINAL:public flag_formatter
{
void format(details::log_msg& msg, const std::tm& tm_time) override
{
msg.formatted << fmt::pad(tm_time.tm_hour, 2, '0');
}
};
// hours in 12 format 1-12
class I_formatter SPDLOG_FINAL:public flag_formatter
{
void format(details::log_msg& msg, const std::tm& tm_time) override
{
msg.formatted << fmt::pad(to12h(tm_time), 2, '0');
}
};
// minutes 0-59
class M_formatter SPDLOG_FINAL:public flag_formatter
{
void format(details::log_msg& msg, const std::tm& tm_time) override
{
msg.formatted << fmt::pad(tm_time.tm_min, 2, '0');
}
};
// seconds 0-59
class S_formatter SPDLOG_FINAL:public flag_formatter
{
void format(details::log_msg& msg, const std::tm& tm_time) override
{
msg.formatted << fmt::pad(tm_time.tm_sec, 2, '0');
}
};
// milliseconds
class e_formatter SPDLOG_FINAL:public flag_formatter
{
void format(details::log_msg& msg, const std::tm&) override
{
auto duration = msg.time.time_since_epoch();
auto millis = std::chrono::duration_cast<std::chrono::milliseconds>(duration).count() % 1000;
msg.formatted << fmt::pad(static_cast<int>(millis), 3, '0');
}
};
// microseconds
class f_formatter SPDLOG_FINAL:public flag_formatter
{
void format(details::log_msg& msg, const std::tm&) override
{
auto duration = msg.time.time_since_epoch();
auto micros = std::chrono::duration_cast<std::chrono::microseconds>(duration).count() % 1000000;
msg.formatted << fmt::pad(static_cast<int>(micros), 6, '0');
}
};
// nanoseconds
class F_formatter SPDLOG_FINAL:public flag_formatter
{
void format(details::log_msg& msg, const std::tm&) override
{
auto duration = msg.time.time_since_epoch();
auto ns = std::chrono::duration_cast<std::chrono::nanoseconds>(duration).count() % 1000000000;
msg.formatted << fmt::pad(static_cast<int>(ns), 9, '0');
}
};
class E_formatter SPDLOG_FINAL:public flag_formatter
{
void format(details::log_msg& msg, const std::tm&) override
{
auto duration = msg.time.time_since_epoch();
auto seconds = std::chrono::duration_cast<std::chrono::seconds>(duration).count();
msg.formatted << seconds;
}
};
// AM/PM
class p_formatter SPDLOG_FINAL:public flag_formatter
{
void format(details::log_msg& msg, const std::tm& tm_time) override
{
msg.formatted << ampm(tm_time);
}
};
// 12 hour clock 02:55:02 pm
class r_formatter SPDLOG_FINAL:public flag_formatter
{
void format(details::log_msg& msg, const std::tm& tm_time) override
{
pad_n_join(msg.formatted, to12h(tm_time), tm_time.tm_min, tm_time.tm_sec, ':') << ' ' << ampm(tm_time);
}
};
// 24-hour HH:MM time, equivalent to %H:%M
class R_formatter SPDLOG_FINAL:public flag_formatter
{
void format(details::log_msg& msg, const std::tm& tm_time) override
{
pad_n_join(msg.formatted, tm_time.tm_hour, tm_time.tm_min, ':');
}
};
// ISO 8601 time format (HH:MM:SS), equivalent to %H:%M:%S
class T_formatter SPDLOG_FINAL:public flag_formatter
{
void format(details::log_msg& msg, const std::tm& tm_time) override
{
pad_n_join(msg.formatted, tm_time.tm_hour, tm_time.tm_min, tm_time.tm_sec, ':');
}
};
// ISO 8601 offset from UTC in timezone (+-HH:MM)
class z_formatter SPDLOG_FINAL:public flag_formatter
{
public:
const std::chrono::seconds cache_refresh = std::chrono::seconds(5);
z_formatter():_last_update(std::chrono::seconds(0)), _offset_minutes(0)
{}
z_formatter(const z_formatter&) = delete;
z_formatter& operator=(const z_formatter&) = delete;
void format(details::log_msg& msg, const std::tm& tm_time) override
{
#ifdef _WIN32
int total_minutes = get_cached_offset(msg, tm_time);
#else
// No need to chache under gcc,
// it is very fast (already stored in tm.tm_gmtoff)
int total_minutes = os::utc_minutes_offset(tm_time);
#endif
bool is_negative = total_minutes < 0;
char sign;
if (is_negative)
{
total_minutes = -total_minutes;
sign = '-';
}
else
{
sign = '+';
}
int h = total_minutes / 60;
int m = total_minutes % 60;
msg.formatted << sign;
pad_n_join(msg.formatted, h, m, ':');
}
private:
log_clock::time_point _last_update;
int _offset_minutes;
std::mutex _mutex;
int get_cached_offset(const log_msg& msg, const std::tm& tm_time)
{
using namespace std::chrono;
std::lock_guard<std::mutex> l(_mutex);
if (msg.time - _last_update >= cache_refresh)
{
_offset_minutes = os::utc_minutes_offset(tm_time);
_last_update = msg.time;
}
return _offset_minutes;
}
};
// Thread id
class t_formatter SPDLOG_FINAL:public flag_formatter
{
void format(details::log_msg& msg, const std::tm&) override
{
msg.formatted << msg.thread_id;
}
};
// Current pid
class pid_formatter SPDLOG_FINAL:public flag_formatter
{
void format(details::log_msg& msg, const std::tm&) override
{
msg.formatted << details::os::pid();
}
};
// message counter formatter
class i_formatter SPDLOG_FINAL :public flag_formatter
{
void format(details::log_msg& msg, const std::tm&) override
{
msg.formatted << fmt::pad(msg.msg_id, 6, '0');
}
};
class v_formatter SPDLOG_FINAL:public flag_formatter
{
void format(details::log_msg& msg, const std::tm&) override
{
msg.formatted << fmt::StringRef(msg.raw.data(), msg.raw.size());
}
};
class ch_formatter SPDLOG_FINAL:public flag_formatter
{
public:
explicit ch_formatter(char ch): _ch(ch)
{}
void format(details::log_msg& msg, const std::tm&) override
{
msg.formatted << _ch;
}
private:
char _ch;
};
//aggregate user chars to display as is
class aggregate_formatter SPDLOG_FINAL:public flag_formatter
{
public:
aggregate_formatter()
{}
void add_ch(char ch)
{
_str += ch;
}
void format(details::log_msg& msg, const std::tm&) override
{
msg.formatted << _str;
}
private:
std::string _str;
};
// Full info formatter
// pattern: [%Y-%m-%d %H:%M:%S.%e] [%n] [%l] %v
class full_formatter SPDLOG_FINAL:public flag_formatter
{
void format(details::log_msg& msg, const std::tm& tm_time) override
{
#ifndef SPDLOG_NO_DATETIME
auto duration = msg.time.time_since_epoch();
auto millis = std::chrono::duration_cast<std::chrono::milliseconds>(duration).count() % 1000;
/* Slower version(while still very fast - about 3.2 million lines/sec under 10 threads),
msg.formatted.write("[{:d}-{:02d}-{:02d} {:02d}:{:02d}:{:02d}.{:03d}] [{}] [{}] {} ",
tm_time.tm_year + 1900,
tm_time.tm_mon + 1,
tm_time.tm_mday,
tm_time.tm_hour,
tm_time.tm_min,
tm_time.tm_sec,
static_cast<int>(millis),
msg.logger_name,
level::to_str(msg.level),
msg.raw.str());*/
// Faster (albeit uglier) way to format the line (5.6 million lines/sec under 10 threads)
msg.formatted << '[' << static_cast<unsigned int>(tm_time.tm_year + 1900) << '-'
<< fmt::pad(static_cast<unsigned int>(tm_time.tm_mon + 1), 2, '0') << '-'
<< fmt::pad(static_cast<unsigned int>(tm_time.tm_mday), 2, '0') << ' '
<< fmt::pad(static_cast<unsigned int>(tm_time.tm_hour), 2, '0') << ':'
<< fmt::pad(static_cast<unsigned int>(tm_time.tm_min), 2, '0') << ':'
<< fmt::pad(static_cast<unsigned int>(tm_time.tm_sec), 2, '0') << '.'
<< fmt::pad(static_cast<unsigned int>(millis), 3, '0') << "] ";
//no datetime needed
#else
(void)tm_time;
#endif
#ifndef SPDLOG_NO_NAME
msg.formatted << '[' << *msg.logger_name << "] ";
#endif
msg.formatted << '[' << level::to_str(msg.level) << "] ";
msg.formatted << fmt::StringRef(msg.raw.data(), msg.raw.size());
}
};
}
}
///////////////////////////////////////////////////////////////////////////////
// pattern_formatter inline impl
///////////////////////////////////////////////////////////////////////////////
inline spdlog::pattern_formatter::pattern_formatter(const std::string& pattern, pattern_time_type pattern_time)
: _pattern_time(pattern_time)
{
compile_pattern(pattern);
}
inline void spdlog::pattern_formatter::compile_pattern(const std::string& pattern)
{
auto end = pattern.end();
std::unique_ptr<details::aggregate_formatter> user_chars;
for (auto it = pattern.begin(); it != end; ++it)
{
if (*it == '%')
{
if (user_chars) //append user chars found so far
_formatters.push_back(std::move(user_chars));
if (++it != end)
handle_flag(*it);
else
break;
}
else // chars not following the % sign should be displayed as is
{
if (!user_chars)
user_chars = std::unique_ptr<details::aggregate_formatter>(new details::aggregate_formatter());
user_chars->add_ch(*it);
}
}
if (user_chars) //append raw chars found so far
{
_formatters.push_back(std::move(user_chars));
}
}
inline void spdlog::pattern_formatter::handle_flag(char flag)
{
switch (flag)
{
// logger name
case 'n':
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::name_formatter()));
break;
case 'l':
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::level_formatter()));
break;
case 'L':
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::short_level_formatter()));
break;
case('t'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::t_formatter()));
break;
case('v'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::v_formatter()));
break;
case('a'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::a_formatter()));
break;
case('A'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::A_formatter()));
break;
case('b'):
case('h'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::b_formatter()));
break;
case('B'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::B_formatter()));
break;
case('c'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::c_formatter()));
break;
case('C'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::C_formatter()));
break;
case('Y'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::Y_formatter()));
break;
case('D'):
case('x'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::D_formatter()));
break;
case('m'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::m_formatter()));
break;
case('d'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::d_formatter()));
break;
case('H'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::H_formatter()));
break;
case('I'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::I_formatter()));
break;
case('M'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::M_formatter()));
break;
case('S'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::S_formatter()));
break;
case('e'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::e_formatter()));
break;
case('f'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::f_formatter()));
break;
case('F'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::F_formatter()));
break;
case('E'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::E_formatter()));
break;
case('p'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::p_formatter()));
break;
case('r'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::r_formatter()));
break;
case('R'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::R_formatter()));
break;
case('T'):
case('X'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::T_formatter()));
break;
case('z'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::z_formatter()));
break;
case ('+'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::full_formatter()));
break;
case ('P'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::pid_formatter()));
break;
case ('i'):
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::i_formatter()));
break;
default: //Unknown flag appears as is
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::ch_formatter('%')));
_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::ch_formatter(flag)));
break;
}
}
inline std::tm spdlog::pattern_formatter::get_time(details::log_msg& msg)
{
if (_pattern_time == pattern_time_type::local)
return details::os::localtime(log_clock::to_time_t(msg.time));
else
return details::os::gmtime(log_clock::to_time_t(msg.time));
}
inline void spdlog::pattern_formatter::format(details::log_msg& msg)
{
#ifndef SPDLOG_NO_DATETIME
auto tm_time = get_time(msg);
#else
std::tm tm_time;
#endif
for (auto &f : _formatters)
{
f->format(msg, tm_time);
}
//write eol
msg.formatted.write(details::os::eol, details::os::eol_size);
}

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
// Loggers registy of unique name->logger pointer
// An attempt to create a logger with an already existing name will be ignored
// If user requests a non existing logger, nullptr will be returned
// This class is thread safe
#include "spdlog/details/null_mutex.h"
#include "spdlog/logger.h"
#include "spdlog/async_logger.h"
#include "spdlog/common.h"
#include <chrono>
#include <functional>
#include <memory>
#include <mutex>
#include <string>
#include <unordered_map>
namespace spdlog
{
namespace details
{
template <class Mutex> class registry_t
{
public:
void register_logger(std::shared_ptr<logger> logger)
{
std::lock_guard<Mutex> lock(_mutex);
auto logger_name = logger->name();
throw_if_exists(logger_name);
_loggers[logger_name] = logger;
}
std::shared_ptr<logger> get(const std::string& logger_name)
{
std::lock_guard<Mutex> lock(_mutex);
auto found = _loggers.find(logger_name);
return found == _loggers.end() ? nullptr : found->second;
}
template<class It>
std::shared_ptr<logger> create(const std::string& logger_name, const It& sinks_begin, const It& sinks_end)
{
std::lock_guard<Mutex> lock(_mutex);
throw_if_exists(logger_name);
std::shared_ptr<logger> new_logger;
if (_async_mode)
new_logger = std::make_shared<async_logger>(logger_name, sinks_begin, sinks_end, _async_q_size, _overflow_policy, _worker_warmup_cb, _flush_interval_ms, _worker_teardown_cb);
else
new_logger = std::make_shared<logger>(logger_name, sinks_begin, sinks_end);
if (_formatter)
new_logger->set_formatter(_formatter);
if (_err_handler)
new_logger->set_error_handler(_err_handler);
new_logger->set_level(_level);
//Add to registry
_loggers[logger_name] = new_logger;
return new_logger;
}
template<class It>
std::shared_ptr<async_logger> create_async(const std::string& logger_name, size_t queue_size, const async_overflow_policy overflow_policy, const std::function<void()>& worker_warmup_cb, const std::chrono::milliseconds& flush_interval_ms, const std::function<void()>& worker_teardown_cb, const It& sinks_begin, const It& sinks_end)
{
std::lock_guard<Mutex> lock(_mutex);
throw_if_exists(logger_name);
auto new_logger = std::make_shared<async_logger>(logger_name, sinks_begin, sinks_end, queue_size, overflow_policy, worker_warmup_cb, flush_interval_ms, worker_teardown_cb);
if (_formatter)
new_logger->set_formatter(_formatter);
if (_err_handler)
new_logger->set_error_handler(_err_handler);
new_logger->set_level(_level);
//Add to registry
_loggers[logger_name] = new_logger;
return new_logger;
}
void apply_all(std::function<void(std::shared_ptr<logger>)> fun)
{
std::lock_guard<Mutex> lock(_mutex);
for (auto &l : _loggers)
fun(l.second);
}
void drop(const std::string& logger_name)
{
std::lock_guard<Mutex> lock(_mutex);
_loggers.erase(logger_name);
}
void drop_all()
{
std::lock_guard<Mutex> lock(_mutex);
_loggers.clear();
}
std::shared_ptr<logger> create(const std::string& logger_name, sinks_init_list sinks)
{
return create(logger_name, sinks.begin(), sinks.end());
}
std::shared_ptr<logger> create(const std::string& logger_name, sink_ptr sink)
{
return create(logger_name, { sink });
}
std::shared_ptr<async_logger> create_async(const std::string& logger_name, size_t queue_size, const async_overflow_policy overflow_policy, const std::function<void()>& worker_warmup_cb, const std::chrono::milliseconds& flush_interval_ms, const std::function<void()>& worker_teardown_cb, sinks_init_list sinks)
{
return create_async(logger_name, queue_size, overflow_policy, worker_warmup_cb, flush_interval_ms, worker_teardown_cb, sinks.begin(), sinks.end());
}
std::shared_ptr<async_logger> create_async(const std::string& logger_name, size_t queue_size, const async_overflow_policy overflow_policy, const std::function<void()>& worker_warmup_cb, const std::chrono::milliseconds& flush_interval_ms, const std::function<void()>& worker_teardown_cb, sink_ptr sink)
{
return create_async(logger_name, queue_size, overflow_policy, worker_warmup_cb, flush_interval_ms, worker_teardown_cb, { sink });
}
void formatter(formatter_ptr f)
{
std::lock_guard<Mutex> lock(_mutex);
_formatter = f;
for (auto& l : _loggers)
l.second->set_formatter(_formatter);
}
void set_pattern(const std::string& pattern)
{
std::lock_guard<Mutex> lock(_mutex);
_formatter = std::make_shared<pattern_formatter>(pattern);
for (auto& l : _loggers)
l.second->set_formatter(_formatter);
}
void set_level(level::level_enum log_level)
{
std::lock_guard<Mutex> lock(_mutex);
for (auto& l : _loggers)
l.second->set_level(log_level);
_level = log_level;
}
void set_error_handler(log_err_handler handler)
{
for (auto& l : _loggers)
l.second->set_error_handler(handler);
_err_handler = handler;
}
void set_async_mode(size_t q_size, const async_overflow_policy overflow_policy, const std::function<void()>& worker_warmup_cb, const std::chrono::milliseconds& flush_interval_ms, const std::function<void()>& worker_teardown_cb)
{
std::lock_guard<Mutex> lock(_mutex);
_async_mode = true;
_async_q_size = q_size;
_overflow_policy = overflow_policy;
_worker_warmup_cb = worker_warmup_cb;
_flush_interval_ms = flush_interval_ms;
_worker_teardown_cb = worker_teardown_cb;
}
void set_sync_mode()
{
std::lock_guard<Mutex> lock(_mutex);
_async_mode = false;
}
static registry_t<Mutex>& instance()
{
static registry_t<Mutex> s_instance;
return s_instance;
}
private:
registry_t<Mutex>() {}
registry_t<Mutex>(const registry_t<Mutex>&) = delete;
registry_t<Mutex>& operator=(const registry_t<Mutex>&) = delete;
void throw_if_exists(const std::string &logger_name)
{
if (_loggers.find(logger_name) != _loggers.end())
throw spdlog_ex("logger with name '" + logger_name + "' already exists");
}
Mutex _mutex;
std::unordered_map <std::string, std::shared_ptr<logger>> _loggers;
formatter_ptr _formatter;
level::level_enum _level = level::info;
log_err_handler _err_handler;
bool _async_mode = false;
size_t _async_q_size = 0;
async_overflow_policy _overflow_policy = async_overflow_policy::block_retry;
std::function<void()> _worker_warmup_cb = nullptr;
std::chrono::milliseconds _flush_interval_ms;
std::function<void()> _worker_teardown_cb = nullptr;
};
#ifdef SPDLOG_NO_REGISTRY_MUTEX
typedef registry_t<spdlog::details::null_mutex> registry;
#else
typedef registry_t<std::mutex> registry;
#endif
}
}

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include/spdlog/details/spdlog_impl.h Normal file
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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
//
// Global registry functions
//
#include "spdlog/spdlog.h"
#include "spdlog/details/registry.h"
#include "spdlog/sinks/file_sinks.h"
#include "spdlog/sinks/stdout_sinks.h"
#ifdef SPDLOG_ENABLE_SYSLOG
#include "spdlog/sinks/syslog_sink.h"
#endif
#ifdef _WIN32
#include "spdlog/sinks/wincolor_sink.h"
#else
#include "spdlog/sinks/ansicolor_sink.h"
#endif
#ifdef __ANDROID__
#include "spdlog/sinks/android_sink.h"
#endif
#include <chrono>
#include <functional>
#include <memory>
#include <string>
inline void spdlog::register_logger(std::shared_ptr<logger> logger)
{
return details::registry::instance().register_logger(logger);
}
inline std::shared_ptr<spdlog::logger> spdlog::get(const std::string& name)
{
return details::registry::instance().get(name);
}
inline void spdlog::drop(const std::string &name)
{
details::registry::instance().drop(name);
}
// Create multi/single threaded simple file logger
inline std::shared_ptr<spdlog::logger> spdlog::basic_logger_mt(const std::string& logger_name, const filename_t& filename, bool truncate)
{
return create<spdlog::sinks::simple_file_sink_mt>(logger_name, filename, truncate);
}
inline std::shared_ptr<spdlog::logger> spdlog::basic_logger_st(const std::string& logger_name, const filename_t& filename, bool truncate)
{
return create<spdlog::sinks::simple_file_sink_st>(logger_name, filename, truncate);
}
// Create multi/single threaded rotating file logger
inline std::shared_ptr<spdlog::logger> spdlog::rotating_logger_mt(const std::string& logger_name, const filename_t& filename, size_t max_file_size, size_t max_files)
{
return create<spdlog::sinks::rotating_file_sink_mt>(logger_name, filename, max_file_size, max_files);
}
inline std::shared_ptr<spdlog::logger> spdlog::rotating_logger_st(const std::string& logger_name, const filename_t& filename, size_t max_file_size, size_t max_files)
{
return create<spdlog::sinks::rotating_file_sink_st>(logger_name, filename, max_file_size, max_files);
}
// Create file logger which creates new file at midnight):
inline std::shared_ptr<spdlog::logger> spdlog::daily_logger_mt(const std::string& logger_name, const filename_t& filename, int hour, int minute)
{
return create<spdlog::sinks::daily_file_sink_mt>(logger_name, filename, hour, minute);
}
inline std::shared_ptr<spdlog::logger> spdlog::daily_logger_st(const std::string& logger_name, const filename_t& filename, int hour, int minute)
{
return create<spdlog::sinks::daily_file_sink_st>(logger_name, filename, hour, minute);
}
//
// stdout/stderr loggers
//
inline std::shared_ptr<spdlog::logger> spdlog::stdout_logger_mt(const std::string& logger_name)
{
return spdlog::details::registry::instance().create(logger_name, spdlog::sinks::stdout_sink_mt::instance());
}
inline std::shared_ptr<spdlog::logger> spdlog::stdout_logger_st(const std::string& logger_name)
{
return spdlog::details::registry::instance().create(logger_name, spdlog::sinks::stdout_sink_st::instance());
}
inline std::shared_ptr<spdlog::logger> spdlog::stderr_logger_mt(const std::string& logger_name)
{
return spdlog::details::registry::instance().create(logger_name, spdlog::sinks::stderr_sink_mt::instance());
}
inline std::shared_ptr<spdlog::logger> spdlog::stderr_logger_st(const std::string& logger_name)
{
return spdlog::details::registry::instance().create(logger_name, spdlog::sinks::stderr_sink_st::instance());
}
//
// stdout/stderr color loggers
//
#ifdef _WIN32
inline std::shared_ptr<spdlog::logger> spdlog::stdout_color_mt(const std::string& logger_name)
{
auto sink = std::make_shared<spdlog::sinks::wincolor_stdout_sink_mt>();
return spdlog::details::registry::instance().create(logger_name, sink);
}
inline std::shared_ptr<spdlog::logger> spdlog::stdout_color_st(const std::string& logger_name)
{
auto sink = std::make_shared<spdlog::sinks::wincolor_stdout_sink_st>();
return spdlog::details::registry::instance().create(logger_name, sink);
}
inline std::shared_ptr<spdlog::logger> spdlog::stderr_color_mt(const std::string& logger_name)
{
auto sink = std::make_shared<spdlog::sinks::wincolor_stderr_sink_mt>();
return spdlog::details::registry::instance().create(logger_name, sink);
}
inline std::shared_ptr<spdlog::logger> spdlog::stderr_color_st(const std::string& logger_name)
{
auto sink = std::make_shared<spdlog::sinks::wincolor_stderr_sink_st>();
return spdlog::details::registry::instance().create(logger_name, sink);
}
#else //ansi terminal colors
inline std::shared_ptr<spdlog::logger> spdlog::stdout_color_mt(const std::string& logger_name)
{
auto sink = std::make_shared<spdlog::sinks::ansicolor_stdout_sink_mt>();
return spdlog::details::registry::instance().create(logger_name, sink);
}
inline std::shared_ptr<spdlog::logger> spdlog::stdout_color_st(const std::string& logger_name)
{
auto sink = std::make_shared<spdlog::sinks::ansicolor_stdout_sink_st>();
return spdlog::details::registry::instance().create(logger_name, sink);
}
inline std::shared_ptr<spdlog::logger> spdlog::stderr_color_mt(const std::string& logger_name)
{
auto sink = std::make_shared<spdlog::sinks::ansicolor_stderr_sink_mt>();
return spdlog::details::registry::instance().create(logger_name, sink);
}
inline std::shared_ptr<spdlog::logger> spdlog::stderr_color_st(const std::string& logger_name)
{
auto sink = std::make_shared<spdlog::sinks::ansicolor_stderr_sink_st>();
return spdlog::details::registry::instance().create(logger_name, sink);
}
#endif
#ifdef SPDLOG_ENABLE_SYSLOG
// Create syslog logger
inline std::shared_ptr<spdlog::logger> spdlog::syslog_logger(const std::string& logger_name, const std::string& syslog_ident, int syslog_option)
{
return create<spdlog::sinks::syslog_sink>(logger_name, syslog_ident, syslog_option);
}
#endif
#ifdef __ANDROID__
inline std::shared_ptr<spdlog::logger> spdlog::android_logger(const std::string& logger_name, const std::string& tag)
{
return create<spdlog::sinks::android_sink>(logger_name, tag);
}
#endif
// Create and register a logger a single sink
inline std::shared_ptr<spdlog::logger> spdlog::create(const std::string& logger_name, const spdlog::sink_ptr& sink)
{
return details::registry::instance().create(logger_name, sink);
}
//Create logger with multiple sinks
inline std::shared_ptr<spdlog::logger> spdlog::create(const std::string& logger_name, spdlog::sinks_init_list sinks)
{
return details::registry::instance().create(logger_name, sinks);
}
template <typename Sink, typename... Args>
inline std::shared_ptr<spdlog::logger> spdlog::create(const std::string& logger_name, Args... args)
{
sink_ptr sink = std::make_shared<Sink>(args...);
return details::registry::instance().create(logger_name, { sink });
}
template<class It>
inline std::shared_ptr<spdlog::logger> spdlog::create(const std::string& logger_name, const It& sinks_begin, const It& sinks_end)
{
return details::registry::instance().create(logger_name, sinks_begin, sinks_end);
}
// Create and register an async logger with a single sink
inline std::shared_ptr<spdlog::logger> spdlog::create_async(const std::string& logger_name, const sink_ptr& sink, size_t queue_size, const async_overflow_policy overflow_policy, const std::function<void()>& worker_warmup_cb, const std::chrono::milliseconds& flush_interval_ms, const std::function<void()>& worker_teardown_cb)
{
return details::registry::instance().create_async(logger_name, queue_size, overflow_policy, worker_warmup_cb, flush_interval_ms, worker_teardown_cb, sink);
}
// Create and register an async logger with multiple sinks
inline std::shared_ptr<spdlog::logger> spdlog::create_async(const std::string& logger_name, sinks_init_list sinks, size_t queue_size, const async_overflow_policy overflow_policy, const std::function<void()>& worker_warmup_cb, const std::chrono::milliseconds& flush_interval_ms, const std::function<void()>& worker_teardown_cb )
{
return details::registry::instance().create_async(logger_name, queue_size, overflow_policy, worker_warmup_cb, flush_interval_ms, worker_teardown_cb, sinks);
}
template<class It>
inline std::shared_ptr<spdlog::logger> spdlog::create_async(const std::string& logger_name, const It& sinks_begin, const It& sinks_end, size_t queue_size, const async_overflow_policy overflow_policy, const std::function<void()>& worker_warmup_cb, const std::chrono::milliseconds& flush_interval_ms, const std::function<void()>& worker_teardown_cb)
{
return details::registry::instance().create_async(logger_name, queue_size, overflow_policy, worker_warmup_cb, flush_interval_ms, worker_teardown_cb, sinks_begin, sinks_end);
}
inline void spdlog::set_formatter(spdlog::formatter_ptr f)
{
details::registry::instance().formatter(f);
}
inline void spdlog::set_pattern(const std::string& format_string)
{
return details::registry::instance().set_pattern(format_string);
}
inline void spdlog::set_level(level::level_enum log_level)
{
return details::registry::instance().set_level(log_level);
}
inline void spdlog::set_error_handler(log_err_handler handler)
{
return details::registry::instance().set_error_handler(handler);
}
inline void spdlog::set_async_mode(size_t queue_size, const async_overflow_policy overflow_policy, const std::function<void()>& worker_warmup_cb, const std::chrono::milliseconds& flush_interval_ms, const std::function<void()>& worker_teardown_cb)
{
details::registry::instance().set_async_mode(queue_size, overflow_policy, worker_warmup_cb, flush_interval_ms, worker_teardown_cb);
}
inline void spdlog::set_sync_mode()
{
details::registry::instance().set_sync_mode();
}
inline void spdlog::apply_all(std::function<void(std::shared_ptr<logger>)> fun)
{
details::registry::instance().apply_all(fun);
}
inline void spdlog::drop_all()
{
details::registry::instance().drop_all();
}