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This commit is contained in:
gabime 2017-03-28 02:08:18 +03:00
parent 5a8cecdfb6
commit 0c276beaaf
10 changed files with 3414 additions and 2704 deletions
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6
include/spdlog/async_logger.h
View File

@ -64,9 +64,9 @@ public:
//Warning: this can potentialy last forever as we wait it to complete
void flush() override;
// Error handler
virtual void set_error_handler(log_err_handler) override;
virtual log_err_handler error_handler() override;
// Error handler
virtual void set_error_handler(log_err_handler) override;
virtual log_err_handler error_handler() override;
protected:
void _sink_it(details::log_msg& msg) override;

467
include/spdlog/details/async_log_helper.h
View File

@ -32,244 +32,252 @@
namespace spdlog
{
namespace details
{
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;
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;
async_msg() = default;
~async_msg() = default;
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)),
txt(std::move(other.txt)),
msg_type(std::move(other.msg_type))
{}
async_msg(async_msg&& other) SPDLOG_NOEXCEPT:
logger_name(std::move(other.logger_name)),
level(std::move(other.level)),
time(std::move(other.time)),
txt(std::move(other.txt)),
msg_type(std::move(other.msg_type))
{}
async_msg(async_msg_type m_type):msg_type(m_type)
{}
async_msg(async_msg_type m_type):msg_type(m_type)
{}
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;
return *this;
}
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;
return *this;
}
// never copy or assign. should only be moved..
async_msg(const async_msg&) = delete;
async_msg& operator=(const async_msg& other) = delete;
// 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)
{
// 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)
{
#ifndef SPDLOG_NO_NAME
logger_name = *m.logger_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;
}
};
// 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;
}
};
public:
public:
using item_type = async_msg;
using q_type = details::mpmc_bounded_queue<item_type>;
using item_type = async_msg;
using q_type = details::mpmc_bounded_queue<item_type>;
using clock = std::chrono::steady_clock;
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);
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);
void log(const details::log_msg& msg);
// stop logging and join the back thread
~async_log_helper();
// stop logging and join the back thread
~async_log_helper();
void set_formatter(formatter_ptr);
void set_formatter(formatter_ptr);
void flush(bool wait_for_q);
void flush(bool wait_for_q);
void set_error_handler(spdlog::log_err_handler err_handler);
void set_error_handler(spdlog::log_err_handler err_handler);
private:
formatter_ptr _formatter;
std::vector<std::shared_ptr<sinks::sink>> _sinks;
private:
formatter_ptr _formatter;
std::vector<std::shared_ptr<sinks::sink>> _sinks;
// queue of messages to log
q_type _q;
// queue of messages to log
q_type _q;
log_err_handler _err_handler;
log_err_handler _err_handler;
bool _flush_requested;
bool _flush_requested;
bool _terminate_requested;
bool _terminate_requested;
// overflow policy
const async_overflow_policy _overflow_policy;
// 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;
// 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;
// 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 teardown callback
const std::function<void()> _worker_teardown_cb;
// worker thread
std::thread _worker_thread;
// worker thread
std::thread _worker_thread;
void push_msg(async_msg&& new_msg);
void push_msg(async_msg&& new_msg);
// worker thread main loop
void worker_loop();
// 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);
// 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);
void handle_flush_interval(log_clock::time_point& now, log_clock::time_point& last_flush);
// sleep,yield or return immediatly 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);
// sleep,yield or return immediatly 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();
// 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)
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
{
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));
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)));
}
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
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();
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();
}
@ -278,98 +286,105 @@ inline void spdlog::details::async_log_helper::worker_loop()
// 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;
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;
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;
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;
}
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;
}
// 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;
}
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;
_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;
using namespace std::this_thread;
using std::chrono::milliseconds;
using std::chrono::microseconds;
auto time_since_op = now - last_op_time;
auto time_since_op = now - last_op_time;
// spin upto 50 micros
if (time_since_op <= microseconds(50))
return;
// 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();
// 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 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));
// 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);
}
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;
_err_handler = err_handler;
}

8
include/spdlog/details/async_logger_impl.h
View File

@ -60,13 +60,13 @@ inline void spdlog::async_logger::flush()
// 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);
_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;
return _err_handler;
}

4846
include/spdlog/fmt/bundled/format.h
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File diff suppressed because it is too large Load Diff

99
include/spdlog/fmt/bundled/ostream.h
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@ -13,74 +13,85 @@
#include "format.h"
#include <ostream>
namespace fmt {
namespace fmt
{
namespace internal {
namespace internal
{
template <class Char>
class FormatBuf : public std::basic_streambuf<Char> {
private:
typedef typename std::basic_streambuf<Char>::int_type int_type;
typedef typename std::basic_streambuf<Char>::traits_type traits_type;
class FormatBuf : public std::basic_streambuf<Char>
{
private:
typedef typename std::basic_streambuf<Char>::int_type int_type;
typedef typename std::basic_streambuf<Char>::traits_type traits_type;
Buffer<Char> &buffer_;
Char *start_;
Buffer<Char> &buffer_;
Char *start_;
public:
FormatBuf(Buffer<Char> &buffer) : buffer_(buffer), start_(&buffer[0]) {
this->setp(start_, start_ + buffer_.capacity());
}
int_type overflow(int_type ch = traits_type::eof()) {
if (!traits_type::eq_int_type(ch, traits_type::eof())) {
size_t buf_size = size();
buffer_.resize(buf_size);
buffer_.reserve(buf_size * 2);
start_ = &buffer_[0];
start_[buf_size] = traits_type::to_char_type(ch);
this->setp(start_+ buf_size + 1, start_ + buf_size * 2);
public:
FormatBuf(Buffer<Char> &buffer) : buffer_(buffer), start_(&buffer[0])
{
this->setp(start_, start_ + buffer_.capacity());
}
return ch;
}
size_t size() const {
return to_unsigned(this->pptr() - start_);
}
int_type overflow(int_type ch = traits_type::eof())
{
if (!traits_type::eq_int_type(ch, traits_type::eof()))
{
size_t buf_size = size();
buffer_.resize(buf_size);
buffer_.reserve(buf_size * 2);
start_ = &buffer_[0];
start_[buf_size] = traits_type::to_char_type(ch);
this->setp(start_+ buf_size + 1, start_ + buf_size * 2);
}
return ch;
}
size_t size() const
{
return to_unsigned(this->pptr() - start_);
}
};
Yes &convert(std::ostream &);
struct DummyStream : std::ostream {
DummyStream(); // Suppress a bogus warning in MSVC.
// Hide all operator<< overloads from std::ostream.
void operator<<(Null<>);
struct DummyStream : std::ostream
{
DummyStream(); // Suppress a bogus warning in MSVC.
// Hide all operator<< overloads from std::ostream.
void operator<<(Null<>);
};
No &operator<<(std::ostream &, int);
template<typename T>
struct ConvertToIntImpl<T, true> {
// Convert to int only if T doesn't have an overloaded operator<<.
enum {
value = sizeof(convert(get<DummyStream>() << get<T>())) == sizeof(No)
};
struct ConvertToIntImpl<T, true>
{
// Convert to int only if T doesn't have an overloaded operator<<.
enum
{
value = sizeof(convert(get<DummyStream>() << get<T>())) == sizeof(No)
};
};
} // namespace internal
// Formats a value.
template <typename Char, typename ArgFormatter, typename T>
void format(BasicFormatter<Char, ArgFormatter> &f,
const Char *&format_str, const T &value) {
internal::MemoryBuffer<Char, internal::INLINE_BUFFER_SIZE> buffer;
const Char *&format_str, const T &value)
{
internal::MemoryBuffer<Char, internal::INLINE_BUFFER_SIZE> buffer;
internal::FormatBuf<Char> format_buf(buffer);
std::basic_ostream<Char> output(&format_buf);
output << value;
internal::FormatBuf<Char> format_buf(buffer);
std::basic_ostream<Char> output(&format_buf);
output << value;
BasicStringRef<Char> str(&buffer[0], format_buf.size());
typedef internal::MakeArg< BasicFormatter<Char> > MakeArg;
format_str = f.format(format_str, MakeArg(str));
BasicStringRef<Char> str(&buffer[0], format_buf.size());
typedef internal::MakeArg< BasicFormatter<Char> > MakeArg;
format_str = f.format(format_str, MakeArg(str));
}
/**

469
include/spdlog/fmt/bundled/posix.h
View File

@ -83,112 +83,134 @@
#define FMT_RETRY(result, expression) FMT_RETRY_VAL(result, expression, -1)
namespace fmt {
namespace fmt
{
// An error code.
class ErrorCode {
private:
int value_;
class ErrorCode
{
private:
int value_;
public:
explicit ErrorCode(int value = 0) FMT_NOEXCEPT : value_(value) {}
public:
explicit ErrorCode(int value = 0) FMT_NOEXCEPT :
value_(value) {}
int get() const FMT_NOEXCEPT { return value_; }
int get() const FMT_NOEXCEPT
{
return value_;
}
};
// A buffered file.
class BufferedFile {
private:
FILE *file_;
class BufferedFile
{
private:
FILE *file_;
friend class File;
friend class File;
explicit BufferedFile(FILE *f) : file_(f) {}
public:
// Constructs a BufferedFile object which doesn't represent any file.
BufferedFile() FMT_NOEXCEPT : file_(0) {}
// Destroys the object closing the file it represents if any.
~BufferedFile() FMT_NOEXCEPT;
#if !FMT_USE_RVALUE_REFERENCES
// Emulate a move constructor and a move assignment operator if rvalue
// references are not supported.
private:
// A proxy object to emulate a move constructor.
// It is private to make it impossible call operator Proxy directly.
struct Proxy {
FILE *file;
};
explicit BufferedFile(FILE *f) : file_(f) {}
public:
// A "move constructor" for moving from a temporary.
BufferedFile(Proxy p) FMT_NOEXCEPT : file_(p.file) {}
// Constructs a BufferedFile object which doesn't represent any file.
BufferedFile() FMT_NOEXCEPT :
file_(0) {}
// A "move constructor" for moving from an lvalue.
BufferedFile(BufferedFile &f) FMT_NOEXCEPT : file_(f.file_) {
f.file_ = 0;
}
// Destroys the object closing the file it represents if any.
~BufferedFile() FMT_NOEXCEPT;
// A "move assignment operator" for moving from a temporary.
BufferedFile &operator=(Proxy p) {
close();
file_ = p.file;
return *this;
}
#if !FMT_USE_RVALUE_REFERENCES
// Emulate a move constructor and a move assignment operator if rvalue
// references are not supported.
// A "move assignment operator" for moving from an lvalue.
BufferedFile &operator=(BufferedFile &other) {
close();
file_ = other.file_;
other.file_ = 0;
return *this;
}
private:
// A proxy object to emulate a move constructor.
// It is private to make it impossible call operator Proxy directly.
struct Proxy
{
FILE *file;
};
// Returns a proxy object for moving from a temporary:
// BufferedFile file = BufferedFile(...);
operator Proxy() FMT_NOEXCEPT {
Proxy p = {file_};
file_ = 0;
return p;
}
public:
// A "move constructor" for moving from a temporary.
BufferedFile(Proxy p) FMT_NOEXCEPT :
file_(p.file) {}
// A "move constructor" for moving from an lvalue.
BufferedFile(BufferedFile &f) FMT_NOEXCEPT :
file_(f.file_)
{
f.file_ = 0;
}
// A "move assignment operator" for moving from a temporary.
BufferedFile &operator=(Proxy p)
{
close();
file_ = p.file;
return *this;
}
// A "move assignment operator" for moving from an lvalue.
BufferedFile &operator=(BufferedFile &other)
{
close();
file_ = other.file_;
other.file_ = 0;
return *this;
}
// Returns a proxy object for moving from a temporary:
// BufferedFile file = BufferedFile(...);
operator Proxy() FMT_NOEXCEPT
{
Proxy p = {file_};
file_ = 0;
return p;
}
#else
private:
FMT_DISALLOW_COPY_AND_ASSIGN(BufferedFile);
private:
FMT_DISALLOW_COPY_AND_ASSIGN(BufferedFile);
public:
BufferedFile(BufferedFile &&other) FMT_NOEXCEPT : file_(other.file_) {
other.file_ = 0;
}
public:
BufferedFile(BufferedFile &&other) FMT_NOEXCEPT :
file_(other.file_)
{
other.file_ = 0;
}
BufferedFile& operator=(BufferedFile &&other) {
close();
file_ = other.file_;
other.file_ = 0;
return *this;
}
BufferedFile& operator=(BufferedFile &&other)
{
close();
file_ = other.file_;
other.file_ = 0;
return *this;
}
#endif
// Opens a file.
BufferedFile(CStringRef filename, CStringRef mode);
// Opens a file.
BufferedFile(CStringRef filename, CStringRef mode);
// Closes the file.
void close();
// Closes the file.
void close();
// Returns the pointer to a FILE object representing this file.
FILE *get() const FMT_NOEXCEPT { return file_; }
// Returns the pointer to a FILE object representing this file.
FILE *get() const FMT_NOEXCEPT
{
return file_;
}
// We place parentheses around fileno to workaround a bug in some versions
// of MinGW that define fileno as a macro.
int (fileno)() const;
// We place parentheses around fileno to workaround a bug in some versions
// of MinGW that define fileno as a macro.
int (fileno)() const;
void print(CStringRef format_str, const ArgList &args) {
fmt::print(file_, format_str, args);
}
FMT_VARIADIC(void, print, CStringRef)
void print(CStringRef format_str, const ArgList &args)
{
fmt::print(file_, format_str, args);
}
FMT_VARIADIC(void, print, CStringRef)
};
// A file. Closed file is represented by a File object with descriptor -1.
@ -197,125 +219,141 @@ public:
// closing the file multiple times will cause a crash on Windows rather
// than an exception. You can get standard behavior by overriding the
// invalid parameter handler with _set_invalid_parameter_handler.
class File {
private:
int fd_; // File descriptor.
class File
{
private:
int fd_; // File descriptor.
// Constructs a File object with a given descriptor.
explicit File(int fd) : fd_(fd) {}
// Constructs a File object with a given descriptor.
explicit File(int fd) : fd_(fd) {}
public:
// Possible values for the oflag argument to the constructor.
enum {
RDONLY = FMT_POSIX(O_RDONLY), // Open for reading only.
WRONLY = FMT_POSIX(O_WRONLY), // Open for writing only.
RDWR = FMT_POSIX(O_RDWR) // Open for reading and writing.
};
public:
// Possible values for the oflag argument to the constructor.
enum
{
RDONLY = FMT_POSIX(O_RDONLY), // Open for reading only.
WRONLY = FMT_POSIX(O_WRONLY), // Open for writing only.
RDWR = FMT_POSIX(O_RDWR) // Open for reading and writing.
};
// Constructs a File object which doesn't represent any file.
File() FMT_NOEXCEPT : fd_(-1) {}
// Constructs a File object which doesn't represent any file.
File() FMT_NOEXCEPT :
fd_(-1) {}
// Opens a file and constructs a File object representing this file.
File(CStringRef path, int oflag);
// Opens a file and constructs a File object representing this file.
File(CStringRef path, int oflag);
#if !FMT_USE_RVALUE_REFERENCES
// Emulate a move constructor and a move assignment operator if rvalue
// references are not supported.
// Emulate a move constructor and a move assignment operator if rvalue
// references are not supported.
private:
// A proxy object to emulate a move constructor.
// It is private to make it impossible call operator Proxy directly.
struct Proxy {
int fd;
};
private:
// A proxy object to emulate a move constructor.
// It is private to make it impossible call operator Proxy directly.
struct Proxy
{
int fd;
};
public:
// A "move constructor" for moving from a temporary.
File(Proxy p) FMT_NOEXCEPT : fd_(p.fd) {}
public:
// A "move constructor" for moving from a temporary.
File(Proxy p) FMT_NOEXCEPT :
fd_(p.fd) {}
// A "move constructor" for moving from an lvalue.
File(File &other) FMT_NOEXCEPT : fd_(other.fd_) {
other.fd_ = -1;
}
// A "move constructor" for moving from an lvalue.
File(File &other) FMT_NOEXCEPT :
fd_(other.fd_)
{
other.fd_ = -1;
}
// A "move assignment operator" for moving from a temporary.
File &operator=(Proxy p) {
close();
fd_ = p.fd;
return *this;
}
// A "move assignment operator" for moving from a temporary.
File &operator=(Proxy p)
{
close();
fd_ = p.fd;
return *this;
}
// A "move assignment operator" for moving from an lvalue.
File &operator=(File &other) {
close();
fd_ = other.fd_;
other.fd_ = -1;
return *this;
}
// A "move assignment operator" for moving from an lvalue.
File &operator=(File &other)
{
close();
fd_ = other.fd_;
other.fd_ = -1;
return *this;
}
// Returns a proxy object for moving from a temporary:
// File file = File(...);
operator Proxy() FMT_NOEXCEPT {
Proxy p = {fd_};
fd_ = -1;
return p;
}
// Returns a proxy object for moving from a temporary:
// File file = File(...);
operator Proxy() FMT_NOEXCEPT
{
Proxy p = {fd_};
fd_ = -1;
return p;
}
#else
private:
FMT_DISALLOW_COPY_AND_ASSIGN(File);
private:
FMT_DISALLOW_COPY_AND_ASSIGN(File);
public:
File(File &&other) FMT_NOEXCEPT : fd_(other.fd_) {
other.fd_ = -1;
}
public:
File(File &&other) FMT_NOEXCEPT :
fd_(other.fd_)
{
other.fd_ = -1;
}
File& operator=(File &&other) {
close();
fd_ = other.fd_;
other.fd_ = -1;
return *this;
}
File& operator=(File &&other)
{
close();
fd_ = other.fd_;
other.fd_ = -1;
return *this;
}
#endif
// Destroys the object closing the file it represents if any.
~File() FMT_NOEXCEPT;
// Destroys the object closing the file it represents if any.
~File() FMT_NOEXCEPT;
// Returns the file descriptor.
int descriptor() const FMT_NOEXCEPT { return fd_; }
// Returns the file descriptor.
int descriptor() const FMT_NOEXCEPT
{
return fd_;
}
// Closes the file.
void close();
// Closes the file.
void close();
// Returns the file size. The size has signed type for consistency with
// stat::st_size.
LongLong size() const;
// Returns the file size. The size has signed type for consistency with
// stat::st_size.
LongLong size() const;
// Attempts to read count bytes from the file into the specified buffer.
std::size_t read(void *buffer, std::size_t count);
// Attempts to read count bytes from the file into the specified buffer.
std::size_t read(void *buffer, std::size_t count);
// Attempts to write count bytes from the specified buffer to the file.
std::size_t write(const void *buffer, std::size_t count);
// Attempts to write count bytes from the specified buffer to the file.
std::size_t write(const void *buffer, std::size_t count);
// Duplicates a file descriptor with the dup function and returns
// the duplicate as a file object.
static File dup(int fd);
// Duplicates a file descriptor with the dup function and returns
// the duplicate as a file object.
static File dup(int fd);
// Makes fd be the copy of this file descriptor, closing fd first if
// necessary.
void dup2(int fd);
// Makes fd be the copy of this file descriptor, closing fd first if
// necessary.
void dup2(int fd);
// Makes fd be the copy of this file descriptor, closing fd first if
// necessary.
void dup2(int fd, ErrorCode &ec) FMT_NOEXCEPT;
// Makes fd be the copy of this file descriptor, closing fd first if
// necessary.
void dup2(int fd, ErrorCode &ec) FMT_NOEXCEPT;
// Creates a pipe setting up read_end and write_end file objects for reading
// and writing respectively.
static void pipe(File &read_end, File &write_end);
// Creates a pipe setting up read_end and write_end file objects for reading
// and writing respectively.
static void pipe(File &read_end, File &write_end);
// Creates a BufferedFile object associated with this file and detaches
// this File object from the file.
BufferedFile fdopen(const char *mode);
// Creates a BufferedFile object associated with this file and detaches
// this File object from the file.
BufferedFile fdopen(const char *mode);
};
// Returns the memory page size.
@ -328,58 +366,77 @@ long getpagesize();
#ifdef FMT_LOCALE
// A "C" numeric locale.
class Locale {
private:
class Locale
{
private:
# ifdef _MSC_VER
typedef _locale_t locale_t;
typedef _locale_t locale_t;
enum { LC_NUMERIC_MASK = LC_NUMERIC };
enum { LC_NUMERIC_MASK = LC_NUMERIC };
static locale_t newlocale(int category_mask, const char *locale, locale_t) {
return _create_locale(category_mask, locale);
}
static locale_t newlocale(int category_mask, const char *locale, locale_t)
{
return _create_locale(category_mask, locale);
}
static void freelocale(locale_t locale) {
_free_locale(locale);
}
static void freelocale(locale_t locale)
{
_free_locale(locale);
}
static double strtod_l(const char *nptr, char **endptr, _locale_t locale) {
return _strtod_l(nptr, endptr, locale);
}
static double strtod_l(const char *nptr, char **endptr, _locale_t locale)
{
return _strtod_l(nptr, endptr, locale);
}
# endif
locale_t locale_;
locale_t locale_;
FMT_DISALLOW_COPY_AND_ASSIGN(Locale);
FMT_DISALLOW_COPY_AND_ASSIGN(Locale);
public:
typedef locale_t Type;
public:
typedef locale_t Type;
Locale() : locale_(newlocale(LC_NUMERIC_MASK, "C", NULL)) {
if (!locale_)
FMT_THROW(fmt::SystemError(errno, "cannot create locale"));
}
~Locale() { freelocale(locale_); }
Locale() : locale_(newlocale(LC_NUMERIC_MASK, "C", NULL))
{
if (!locale_)
FMT_THROW(fmt::SystemError(errno, "cannot create locale"));
}
~Locale()
{
freelocale(locale_);
}
Type get() const { return locale_; }
Type get() const
{
return locale_;
}
// Converts string to floating-point number and advances str past the end
// of the parsed input.
double strtod(const char *&str) const {
char *end = 0;
double result = strtod_l(str, &end, locale_);
str = end;
return result;
}
// Converts string to floating-point number and advances str past the end
// of the parsed input.
double strtod(const char *&str) const
{
char *end = 0;
double result = strtod_l(str, &end, locale_);
str = end;
return result;
}
};
#endif // FMT_LOCALE
} // namespace fmt
#if !FMT_USE_RVALUE_REFERENCES
namespace std {
namespace std
{
// For compatibility with C++98.
inline fmt::BufferedFile &move(fmt::BufferedFile &f) { return f; }
inline fmt::File &move(fmt::File &f) { return f; }
inline fmt::BufferedFile &move(fmt::BufferedFile &f)
{
return f;
}
inline fmt::File &move(fmt::File &f)
{
return f;
}
}
#endif

67
include/spdlog/fmt/bundled/time.h
View File

@ -13,40 +13,45 @@
#include "format.h"
#include <ctime>
namespace fmt {
namespace fmt
{
template <typename ArgFormatter>
void format(BasicFormatter<char, ArgFormatter> &f,
const char *&format_str, const std::tm &tm) {
if (*format_str == ':')
++format_str;
const char *end = format_str;
while (*end && *end != '}')
++end;
if (*end != '}')
FMT_THROW(FormatError("missing '}' in format string"));
internal::MemoryBuffer<char, internal::INLINE_BUFFER_SIZE> format;
format.append(format_str, end + 1);
format[format.size() - 1] = '\0';
Buffer<char> &buffer = f.writer().buffer();
std::size_t start = buffer.size();
for (;;) {
std::size_t size = buffer.capacity() - start;
std::size_t count = std::strftime(&buffer[start], size, &format[0], &tm);
if (count != 0) {
buffer.resize(start + count);
break;
const char *&format_str, const std::tm &tm)
{
if (*format_str == ':')
++format_str;
const char *end = format_str;
while (*end && *end != '}')
++end;
if (*end != '}')
FMT_THROW(FormatError("missing '}' in format string"));
internal::MemoryBuffer<char, internal::INLINE_BUFFER_SIZE> format;
format.append(format_str, end + 1);
format[format.size() - 1] = '\0';
Buffer<char> &buffer = f.writer().buffer();
std::size_t start = buffer.size();
for (;;)
{
std::size_t size = buffer.capacity() - start;
std::size_t count = std::strftime(&buffer[start], size, &format[0], &tm);
if (count != 0)
{
buffer.resize(start + count);
break;
}
if (size >= format.size() * 256)
{
// If the buffer is 256 times larger than the format string, assume
// that `strftime` gives an empty result. There doesn't seem to be a
// better way to distinguish the two cases:
// https://github.com/fmtlib/fmt/issues/367
break;
}
const std::size_t MIN_GROWTH = 10;
buffer.reserve(buffer.capacity() + (size > MIN_GROWTH ? size : MIN_GROWTH));
}
if (size >= format.size() * 256) {
// If the buffer is 256 times larger than the format string, assume
// that `strftime` gives an empty result. There doesn't seem to be a
// better way to distinguish the two cases:
// https://github.com/fmtlib/fmt/issues/367
break;
}
const std::size_t MIN_GROWTH = 10;
buffer.reserve(buffer.capacity() + (size > MIN_GROWTH ? size : MIN_GROWTH));
}
format_str = end + 1;
format_str = end + 1;
}
}

8
include/spdlog/logger.h
View File

@ -58,7 +58,7 @@ public:
const std::string& name() const;
void set_pattern(const std::string&);
void set_formatter(formatter_ptr);
// automatically call flush() if message level >= log_level
void flush_on(level::level_enum log_level);
@ -66,9 +66,9 @@ public:
const std::vector<sink_ptr>& sinks() const;
// error handler
virtual void set_error_handler(log_err_handler);
virtual log_err_handler error_handler();
// error handler
virtual void set_error_handler(log_err_handler);
virtual log_err_handler error_handler();
protected:
virtual void _sink_it(details::log_msg&);

140
tests/errors.cpp
View File

@ -8,30 +8,30 @@
class failing_sink: public spdlog::sinks::sink
{
void log(const spdlog::details::log_msg& msg) override
{
throw std::runtime_error("some error happened during log");
}
void flush()
{}
class failing_sink: public spdlog::sinks::sink
{
void log(const spdlog::details::log_msg& msg) override
{
throw std::runtime_error("some error happened during log");
}
void flush()
{}
};
TEST_CASE("default_error_handler", "[errors]]")
{
prepare_logdir();
std::string filename = "logs/simple_log.txt";
prepare_logdir();
std::string filename = "logs/simple_log.txt";
auto logger = spdlog::create<spdlog::sinks::simple_file_sink_mt>("logger", filename, true);
logger->set_pattern("%v");
logger->info("Test message {} {}", 1);
logger->info("Test message {}", 2);
logger->flush();
auto logger = spdlog::create<spdlog::sinks::simple_file_sink_mt>("logger", filename, true);
logger->set_pattern("%v");
logger->info("Test message {} {}", 1);
logger->info("Test message {}", 2);
logger->flush();
REQUIRE(file_contents(filename) == std::string("Test message 2\n"));
REQUIRE(count_lines(filename) == 1);
REQUIRE(file_contents(filename) == std::string("Test message 2\n"));
REQUIRE(count_lines(filename) == 1);
}
@ -41,69 +41,73 @@ struct custom_ex
{};
TEST_CASE("custom_error_handler", "[errors]]")
{
prepare_logdir();
std::string filename = "logs/simple_log.txt";
auto logger = spdlog::create<spdlog::sinks::simple_file_sink_mt>("logger", filename, true);
logger->flush_on(spdlog::level::info);
logger->set_error_handler([=](const std::string& msg) {
throw custom_ex();
});
logger->info("Good message #1");
REQUIRE_THROWS_AS(logger->info("Bad format msg {} {}", "xxx"), custom_ex);
logger->info("Good message #2");
REQUIRE(count_lines(filename) == 2);
prepare_logdir();
std::string filename = "logs/simple_log.txt";
auto logger = spdlog::create<spdlog::sinks::simple_file_sink_mt>("logger", filename, true);
logger->flush_on(spdlog::level::info);
logger->set_error_handler([=](const std::string& msg)
{
throw custom_ex();
});
logger->info("Good message #1");
REQUIRE_THROWS_AS(logger->info("Bad format msg {} {}", "xxx"), custom_ex);
logger->info("Good message #2");
REQUIRE(count_lines(filename) == 2);
}
TEST_CASE("default_error_handler2", "[errors]]")
{
auto logger = spdlog::create<failing_sink>("failed_logger");
logger->set_error_handler([=](const std::string& msg) {
throw custom_ex();
});
REQUIRE_THROWS_AS(logger->info("Some message"), custom_ex);
auto logger = spdlog::create<failing_sink>("failed_logger");
logger->set_error_handler([=](const std::string& msg)
{
throw custom_ex();
});
REQUIRE_THROWS_AS(logger->info("Some message"), custom_ex);
}
TEST_CASE("async_error_handler", "[errors]]")
{
prepare_logdir();
std::string err_msg("log failed with some msg");
spdlog::set_async_mode(128);
std::string filename = "logs/simple_async_log.txt";
{
auto logger = spdlog::create<spdlog::sinks::simple_file_sink_mt>("logger", filename, true);
logger->set_error_handler([=](const std::string& msg) {
std::ofstream ofs("logs/custom_err.txt");
if (!ofs) throw std::runtime_error("Failed open logs/custom_err.txt");
ofs << err_msg;
});
logger->info("Good message #1");
logger->info("Bad format msg {} {}", "xxx");
logger->info("Good message #2");
spdlog::drop("logger"); //force logger to drain the queue and shutdown
spdlog::set_sync_mode();
}
REQUIRE(count_lines(filename) == 2);
REQUIRE(file_contents("logs/custom_err.txt") == err_msg);
prepare_logdir();
std::string err_msg("log failed with some msg");
spdlog::set_async_mode(128);
std::string filename = "logs/simple_async_log.txt";
{
auto logger = spdlog::create<spdlog::sinks::simple_file_sink_mt>("logger", filename, true);
logger->set_error_handler([=](const std::string& msg)
{
std::ofstream ofs("logs/custom_err.txt");
if (!ofs) throw std::runtime_error("Failed open logs/custom_err.txt");
ofs << err_msg;
});
logger->info("Good message #1");
logger->info("Bad format msg {} {}", "xxx");
logger->info("Good message #2");
spdlog::drop("logger"); //force logger to drain the queue and shutdown
spdlog::set_sync_mode();
}
REQUIRE(count_lines(filename) == 2);
REQUIRE(file_contents("logs/custom_err.txt") == err_msg);
}
// Make sure async error handler is executed
TEST_CASE("async_error_handler2", "[errors]]")
{
prepare_logdir();
std::string err_msg("This is async handler error message");
spdlog::set_async_mode(128);
{
auto logger = spdlog::create<failing_sink>("failed_logger");
logger->set_error_handler([=](const std::string& msg) {
std::ofstream ofs("logs/custom_err2.txt");
if (!ofs) throw std::runtime_error("Failed open logs/custom_err2.txt");
ofs << err_msg;
});
logger->info("Hello failure");
spdlog::drop("failed_logger"); //force logger to drain the queue and shutdown
spdlog::set_sync_mode();
}
prepare_logdir();
std::string err_msg("This is async handler error message");
spdlog::set_async_mode(128);
{
auto logger = spdlog::create<failing_sink>("failed_logger");
logger->set_error_handler([=](const std::string& msg)
{
std::ofstream ofs("logs/custom_err2.txt");
if (!ofs) throw std::runtime_error("Failed open logs/custom_err2.txt");
ofs << err_msg;
});
logger->info("Hello failure");
spdlog::drop("failed_logger"); //force logger to drain the queue and shutdown
spdlog::set_sync_mode();
}
REQUIRE(file_contents("logs/custom_err2.txt") == err_msg);
REQUIRE(file_contents("logs/custom_err2.txt") == err_msg);
}

8
tests/utils.cpp
View File

@ -3,15 +3,15 @@
void prepare_logdir()
{
spdlog::drop_all();
spdlog::drop_all();
#ifdef _WIN32
system("if not exist logs mkdir logs");
system("if not exist logs mkdir logs");
system("del /F /Q logs\\*");
#else
auto rv = system("mkdir -p logs");
auto rv = system("mkdir -p logs");
rv = system("rm -f logs/*");
(void)rv;
#endif
#endif
}