mirrors/spdlog
1
0
Fork 0
mirror of https://github.com/gabime/spdlog.git synced 2024-12-24 09:31:34 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

added catch macro and fixed some tests

Browse Source
This commit is contained in:
gabime 2018-05-24 00:18:55 +03:00
parent b9d7c45e40
commit 8901cbffe0
6 changed files with 15 additions and 446 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/spdlog/common.h
View File

@ -179,4 +179,7 @@ using filename_t = std::wstring;
using filename_t = std::string;
#endif
#define SPDLOG_CATCH_AND_HANDLE catch (const std::exception &ex) {_err_handler(ex.what());}\
catch (...) {_err_handler("Unknown exeption in logger");}
} // namespace spdlog

392
include/spdlog/details/async_log_helper.h
View File

@ -1,392 +0,0 @@
//
// 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/details/log_msg.h"
#include "spdlog/details/mpmc_bounded_q.h"
#include "spdlog/details/os.h"
#include "spdlog/formatter.h"
#include "spdlog/sinks/sink.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;
explicit async_msg(async_msg_type m_type)
: level(level::info)
, thread_id(0)
, msg_type(m_type)
, msg_id(0)
{
}
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)
{
}
dsdfsfs 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
explicit 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, 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, std::function<void()> worker_warmup_cb = nullptr,
const std::chrono::milliseconds &flush_interval_ms = std::chrono::milliseconds::zero(),
std::function<void()> worker_teardown_cb = nullptr);
void log(const details::log_msg &msg);
// stop logging and join the back thread
~async_log_helper();
async_log_helper(const async_log_helper &) = delete;
async_log_helper &operator=(const async_log_helper &) = delete;
void set_formatter(formatter_ptr msg_formatter);
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();
};
} // namespace details
} // namespace spdlog
///////////////////////////////////////////////////////////////////////////////
// async_sink class implementation
///////////////////////////////////////////////////////////////////////////////
inline spdlog::details::async_log_helper::async_log_helper(formatter_ptr formatter, std::vector<sink_ptr> sinks, size_t queue_size,
log_err_handler err_handler, const async_overflow_policy overflow_policy, std::function<void()> worker_warmup_cb,
const std::chrono::milliseconds &flush_interval_ms, std::function<void()> worker_teardown_cb)
: _formatter(std::move(formatter))
, _sinks(std::move(sinks))
, _q(queue_size)
, _err_handler(std::move(err_handler))
, _flush_requested(false)
, _terminate_requested(false)
, _overflow_policy(overflow_policy)
, _worker_warmup_cb(std::move(worker_warmup_cb))
, _flush_interval_ms(flush_interval_ms)
, _worker_teardown_cb(std::move(worker_teardown_cb))
{
_worker_thread = std::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 when queue is empty
}
}
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 exeption in async logger worker loop.");
}
}
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
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 = std::move(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 std::chrono::microseconds;
using std::chrono::milliseconds;
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 details::os::sleep_for_millis(20);
}
// sleep for 500 ms
return details::os::sleep_for_millis(500);
}
// 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.is_empty())
{
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 = std::move(err_handler);
}

19
include/spdlog/details/async_logger_impl.h
View File

@ -80,14 +80,7 @@ inline void spdlog::async_logger::_backend_log(details::log_msg &incoming_log_ms
}
}
}
catch (const std::exception &ex)
{
_err_handler(ex.what());
}
catch (...)
{
_err_handler("Unknown exception in async logger " + _name);
}
SPDLOG_CATCH_AND_HANDLE
if (_should_flush(incoming_log_msg))
{
@ -99,18 +92,10 @@ inline void spdlog::async_logger::_backend_flush()
{
try
{
for (auto &sink : _sinks)
{
sink->flush();
}
}
catch (const std::exception &ex)
{
_err_handler(ex.what());
}
catch (...)
{
_err_handler("Unknown exception in async logger " + _name);
}
SPDLOG_CATCH_AND_HANDLE
}

36
include/spdlog/details/logger_impl.h
View File

@ -66,14 +66,7 @@ inline void spdlog::logger::log(level::level_enum lvl, const char *fmt, const Ar
#endif
_sink_it(log_msg);
}
catch (const std::exception &ex)
{
_err_handler(ex.what());
}
catch (...)
{
_err_handler("Unknown exception in logger " + _name);
}
SPDLOG_CATCH_AND_HANDLE
}
template<typename... Args>
@ -89,14 +82,7 @@ inline void spdlog::logger::log(level::level_enum lvl, const char *msg)
log_msg.raw << msg;
_sink_it(log_msg);
}
catch (const std::exception &ex)
{
_err_handler(ex.what());
}
catch (...)
{
_err_handler("Unknown exception in logger " + _name);
}
SPDLOG_CATCH_AND_HANDLE
}
template<typename T>
@ -112,14 +98,7 @@ inline void spdlog::logger::log(level::level_enum lvl, const T &msg)
log_msg.raw << msg;
_sink_it(log_msg);
}
catch (const std::exception &ex)
{
_err_handler(ex.what());
}
catch (...)
{
_err_handler("Unknown exception in logger " + _name);
}
SPDLOG_CATCH_AND_HANDLE
}
template<typename Arg1, typename... Args>
@ -282,14 +261,7 @@ inline void spdlog::logger::flush()
{
_flush();
}
catch (const std::exception &ex)
{
_err_handler(ex.what());
}
catch (...)
{
_err_handler("Unknown exception in logger during flush: " + _name);
}
SPDLOG_CATCH_AND_HANDLE
}
inline void spdlog::logger::flush_on(level::level_enum log_level)

10
tests/file_log.cpp
View File

@ -50,8 +50,9 @@ TEST_CASE("flush_on", "[flush_on]]")
TEST_CASE("rotating_file_logger1", "[rotating_logger]]")
{
prepare_logdir();
size_t max_size = 1024 * 10;
std::string basename = "logs/rotating_log";
auto logger = spdlog::rotating_logger_mt("logger", basename, 1024, 0);
auto logger = spdlog::rotating_logger_mt("logger", basename, max_size, 0);
for (int i = 0; i < 10; ++i)
{
@ -70,8 +71,9 @@ TEST_CASE("rotating_file_logger1", "[rotating_logger]]")
TEST_CASE("rotating_file_logger2", "[rotating_logger]]")
{
prepare_logdir();
size_t max_size = 1024 * 10;
std::string basename = "logs/rotating_log";
auto logger = spdlog::rotating_logger_mt("logger", basename, 1024, 1);
auto logger = spdlog::rotating_logger_mt("logger", basename, max_size, 1);
for (int i = 0; i < 10; ++i)
logger->info("Test message {}", i);
@ -88,9 +90,9 @@ TEST_CASE("rotating_file_logger2", "[rotating_logger]]")
}
logger->flush();
REQUIRE(get_filesize(filename) <= 1024);
REQUIRE(get_filesize(filename) <= max_size);
auto filename1 = basename + ".1";
REQUIRE(get_filesize(filename1) <= 1024);
REQUIRE(get_filesize(filename1) <= max_size);
}
TEST_CASE("daily_logger", "[daily_logger]]")

1
tests/tests.sln
View File

@ -18,7 +18,6 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "spdlog", "spdlog", "{0C0430
EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "details", "details", "{C8A207B7-6930-4D28-85BB-EA79ADFD7DAC}"
ProjectSection(SolutionItems) = preProject
..\include\spdlog\details\async_log_helper.h = ..\include\spdlog\details\async_log_helper.h
..\include\spdlog\details\async_logger_impl.h = ..\include\spdlog\details\async_logger_impl.h
..\include\spdlog\details\file_helper.h = ..\include\spdlog\details\file_helper.h
..\include\spdlog\details\log_msg.h = ..\include\spdlog\details\log_msg.h