调整目录

This commit is contained in:
2023-10-09 20:38:38 +08:00
parent 92cf854403
commit de8a41fff1
229 changed files with 54018 additions and 0 deletions

View File

@@ -0,0 +1,75 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
# include <spdlog/details/backtracer.h>
#endif
namespace spdlog {
namespace details {
SPDLOG_INLINE backtracer::backtracer(const backtracer &other)
{
std::lock_guard<std::mutex> lock(other.mutex_);
enabled_ = other.enabled();
messages_ = other.messages_;
}
SPDLOG_INLINE backtracer::backtracer(backtracer &&other) SPDLOG_NOEXCEPT
{
std::lock_guard<std::mutex> lock(other.mutex_);
enabled_ = other.enabled();
messages_ = std::move(other.messages_);
}
SPDLOG_INLINE backtracer &backtracer::operator=(backtracer other)
{
std::lock_guard<std::mutex> lock(mutex_);
enabled_ = other.enabled();
messages_ = std::move(other.messages_);
return *this;
}
SPDLOG_INLINE void backtracer::enable(size_t size)
{
std::lock_guard<std::mutex> lock{mutex_};
enabled_.store(true, std::memory_order_relaxed);
messages_ = circular_q<log_msg_buffer>{size};
}
SPDLOG_INLINE void backtracer::disable()
{
std::lock_guard<std::mutex> lock{mutex_};
enabled_.store(false, std::memory_order_relaxed);
}
SPDLOG_INLINE bool backtracer::enabled() const
{
return enabled_.load(std::memory_order_relaxed);
}
SPDLOG_INLINE void backtracer::push_back(const log_msg &msg)
{
std::lock_guard<std::mutex> lock{mutex_};
messages_.push_back(log_msg_buffer{msg});
}
SPDLOG_INLINE bool backtracer::empty() const
{
std::lock_guard<std::mutex> lock{mutex_};
return messages_.empty();
}
// pop all items in the q and apply the given fun on each of them.
SPDLOG_INLINE void backtracer::foreach_pop(std::function<void(const details::log_msg &)> fun)
{
std::lock_guard<std::mutex> lock{mutex_};
while (!messages_.empty())
{
auto &front_msg = messages_.front();
fun(front_msg);
messages_.pop_front();
}
}
} // namespace details
} // namespace spdlog

View File

@@ -0,0 +1,46 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/details/log_msg_buffer.h>
#include <spdlog/details/circular_q.h>
#include <atomic>
#include <mutex>
#include <functional>
// Store log messages in circular buffer.
// Useful for storing debug data in case of error/warning happens.
namespace spdlog {
namespace details {
class SPDLOG_API backtracer
{
mutable std::mutex mutex_;
std::atomic<bool> enabled_{false};
circular_q<log_msg_buffer> messages_;
public:
backtracer() = default;
backtracer(const backtracer &other);
backtracer(backtracer &&other) SPDLOG_NOEXCEPT;
backtracer &operator=(backtracer other);
void enable(size_t size);
void disable();
bool enabled() const;
void push_back(const log_msg &msg);
bool empty() const;
// pop all items in the q and apply the given fun on each of them.
void foreach_pop(std::function<void(const details::log_msg &)> fun);
};
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
# include "backtracer-inl.h"
#endif

View File

@@ -0,0 +1,146 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
// circular q view of std::vector.
#pragma once
#include <vector>
#include <cassert>
namespace spdlog {
namespace details {
template<typename T>
class circular_q
{
size_t max_items_ = 0;
typename std::vector<T>::size_type head_ = 0;
typename std::vector<T>::size_type tail_ = 0;
size_t overrun_counter_ = 0;
std::vector<T> v_;
public:
using value_type = T;
// empty ctor - create a disabled queue with no elements allocated at all
circular_q() = default;
explicit circular_q(size_t max_items)
: max_items_(max_items + 1) // one item is reserved as marker for full q
, v_(max_items_)
{}
circular_q(const circular_q &) = default;
circular_q &operator=(const circular_q &) = default;
// move cannot be default,
// since we need to reset head_, tail_, etc to zero in the moved object
circular_q(circular_q &&other) SPDLOG_NOEXCEPT
{
copy_moveable(std::move(other));
}
circular_q &operator=(circular_q &&other) SPDLOG_NOEXCEPT
{
copy_moveable(std::move(other));
return *this;
}
// push back, overrun (oldest) item if no room left
void push_back(T &&item)
{
if (max_items_ > 0)
{
v_[tail_] = std::move(item);
tail_ = (tail_ + 1) % max_items_;
if (tail_ == head_) // overrun last item if full
{
head_ = (head_ + 1) % max_items_;
++overrun_counter_;
}
}
}
// Return reference to the front item.
// If there are no elements in the container, the behavior is undefined.
const T &front() const
{
return v_[head_];
}
T &front()
{
return v_[head_];
}
// Return number of elements actually stored
size_t size() const
{
if (tail_ >= head_)
{
return tail_ - head_;
}
else
{
return max_items_ - (head_ - tail_);
}
}
// Return const reference to item by index.
// If index is out of range 0…size()-1, the behavior is undefined.
const T &at(size_t i) const
{
assert(i < size());
return v_[(head_ + i) % max_items_];
}
// Pop item from front.
// If there are no elements in the container, the behavior is undefined.
void pop_front()
{
head_ = (head_ + 1) % max_items_;
}
bool empty() const
{
return tail_ == head_;
}
bool full() const
{
// head is ahead of the tail by 1
if (max_items_ > 0)
{
return ((tail_ + 1) % max_items_) == head_;
}
return false;
}
size_t overrun_counter() const
{
return overrun_counter_;
}
void reset_overrun_counter()
{
overrun_counter_ = 0;
}
private:
// copy from other&& and reset it to disabled state
void copy_moveable(circular_q &&other) SPDLOG_NOEXCEPT
{
max_items_ = other.max_items_;
head_ = other.head_;
tail_ = other.tail_;
overrun_counter_ = other.overrun_counter_;
v_ = std::move(other.v_);
// put &&other in disabled, but valid state
other.max_items_ = 0;
other.head_ = other.tail_ = 0;
other.overrun_counter_ = 0;
}
};
} // namespace details
} // namespace spdlog

View File

@@ -0,0 +1,32 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/details/null_mutex.h>
#include <mutex>
namespace spdlog {
namespace details {
struct console_mutex
{
using mutex_t = std::mutex;
static mutex_t &mutex()
{
static mutex_t s_mutex;
return s_mutex;
}
};
struct console_nullmutex
{
using mutex_t = null_mutex;
static mutex_t &mutex()
{
static mutex_t s_mutex;
return s_mutex;
}
};
} // namespace details
} // namespace spdlog

View File

@@ -0,0 +1,180 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
# include <spdlog/details/file_helper.h>
#endif
#include <spdlog/details/os.h>
#include <spdlog/common.h>
#include <cerrno>
#include <chrono>
#include <cstdio>
#include <string>
#include <thread>
#include <tuple>
namespace spdlog {
namespace details {
SPDLOG_INLINE file_helper::file_helper(const file_event_handlers &event_handlers)
: event_handlers_(event_handlers)
{}
SPDLOG_INLINE file_helper::~file_helper()
{
close();
}
SPDLOG_INLINE void file_helper::open(const filename_t &fname, bool truncate)
{
close();
filename_ = fname;
auto *mode = SPDLOG_FILENAME_T("ab");
auto *trunc_mode = SPDLOG_FILENAME_T("wb");
if (event_handlers_.before_open)
{
event_handlers_.before_open(filename_);
}
for (int tries = 0; tries < open_tries_; ++tries)
{
// create containing folder if not exists already.
os::create_dir(os::dir_name(fname));
if (truncate)
{
// Truncate by opening-and-closing a tmp file in "wb" mode, always
// opening the actual log-we-write-to in "ab" mode, since that
// interacts more politely with eternal processes that might
// rotate/truncate the file underneath us.
std::FILE *tmp;
if (os::fopen_s(&tmp, fname, trunc_mode))
{
continue;
}
std::fclose(tmp);
}
if (!os::fopen_s(&fd_, fname, mode))
{
if (event_handlers_.after_open)
{
event_handlers_.after_open(filename_, fd_);
}
return;
}
details::os::sleep_for_millis(open_interval_);
}
throw_spdlog_ex("Failed opening file " + os::filename_to_str(filename_) + " for writing", errno);
}
SPDLOG_INLINE void file_helper::reopen(bool truncate)
{
if (filename_.empty())
{
throw_spdlog_ex("Failed re opening file - was not opened before");
}
this->open(filename_, truncate);
}
SPDLOG_INLINE void file_helper::flush()
{
if (std::fflush(fd_) != 0)
{
throw_spdlog_ex("Failed flush to file " + os::filename_to_str(filename_), errno);
}
}
SPDLOG_INLINE void file_helper::sync()
{
if (!os::fsync(fd_))
{
throw_spdlog_ex("Failed to fsync file " + os::filename_to_str(filename_), errno);
}
}
SPDLOG_INLINE void file_helper::close()
{
if (fd_ != nullptr)
{
if (event_handlers_.before_close)
{
event_handlers_.before_close(filename_, fd_);
}
std::fclose(fd_);
fd_ = nullptr;
if (event_handlers_.after_close)
{
event_handlers_.after_close(filename_);
}
}
}
SPDLOG_INLINE void file_helper::write(const memory_buf_t &buf)
{
size_t msg_size = buf.size();
auto data = buf.data();
if (std::fwrite(data, 1, msg_size, fd_) != msg_size)
{
throw_spdlog_ex("Failed writing to file " + os::filename_to_str(filename_), errno);
}
}
SPDLOG_INLINE size_t file_helper::size() const
{
if (fd_ == nullptr)
{
throw_spdlog_ex("Cannot use size() on closed file " + os::filename_to_str(filename_));
}
return os::filesize(fd_);
}
SPDLOG_INLINE const filename_t &file_helper::filename() const
{
return filename_;
}
//
// return file path and its extension:
//
// "mylog.txt" => ("mylog", ".txt")
// "mylog" => ("mylog", "")
// "mylog." => ("mylog.", "")
// "/dir1/dir2/mylog.txt" => ("/dir1/dir2/mylog", ".txt")
//
// the starting dot in filenames is ignored (hidden files):
//
// ".mylog" => (".mylog". "")
// "my_folder/.mylog" => ("my_folder/.mylog", "")
// "my_folder/.mylog.txt" => ("my_folder/.mylog", ".txt")
SPDLOG_INLINE std::tuple<filename_t, filename_t> file_helper::split_by_extension(const filename_t &fname)
{
auto ext_index = fname.rfind('.');
// no valid extension found - return whole path and empty string as
// extension
if (ext_index == filename_t::npos || ext_index == 0 || ext_index == fname.size() - 1)
{
return std::make_tuple(fname, filename_t());
}
// treat cases like "/etc/rc.d/somelogfile or "/abc/.hiddenfile"
auto folder_index = fname.find_last_of(details::os::folder_seps_filename);
if (folder_index != filename_t::npos && folder_index >= ext_index - 1)
{
return std::make_tuple(fname, filename_t());
}
// finally - return a valid base and extension tuple
return std::make_tuple(fname.substr(0, ext_index), fname.substr(ext_index));
}
} // namespace details
} // namespace spdlog

View File

@@ -0,0 +1,62 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/common.h>
#include <tuple>
namespace spdlog {
namespace details {
// Helper class for file sinks.
// When failing to open a file, retry several times(5) with a delay interval(10 ms).
// Throw spdlog_ex exception on errors.
class SPDLOG_API file_helper
{
public:
file_helper() = default;
explicit file_helper(const file_event_handlers &event_handlers);
file_helper(const file_helper &) = delete;
file_helper &operator=(const file_helper &) = delete;
~file_helper();
void open(const filename_t &fname, bool truncate = false);
void reopen(bool truncate);
void flush();
void sync();
void close();
void write(const memory_buf_t &buf);
size_t size() const;
const filename_t &filename() const;
//
// return file path and its extension:
//
// "mylog.txt" => ("mylog", ".txt")
// "mylog" => ("mylog", "")
// "mylog." => ("mylog.", "")
// "/dir1/dir2/mylog.txt" => ("/dir1/dir2/mylog", ".txt")
//
// the starting dot in filenames is ignored (hidden files):
//
// ".mylog" => (".mylog". "")
// "my_folder/.mylog" => ("my_folder/.mylog", "")
// "my_folder/.mylog.txt" => ("my_folder/.mylog", ".txt")
static std::tuple<filename_t, filename_t> split_by_extension(const filename_t &fname);
private:
const int open_tries_ = 5;
const unsigned int open_interval_ = 10;
std::FILE *fd_{nullptr};
filename_t filename_;
file_event_handlers event_handlers_;
};
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
# include "file_helper-inl.h"
#endif

View File

@@ -0,0 +1,164 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <chrono>
#include <type_traits>
#include <iterator>
#include <spdlog/fmt/fmt.h>
#include <spdlog/common.h>
#ifdef SPDLOG_USE_STD_FORMAT
# include <charconv>
# include <limits>
#endif
// Some fmt helpers to efficiently format and pad ints and strings
namespace spdlog {
namespace details {
namespace fmt_helper {
inline void append_string_view(spdlog::string_view_t view, memory_buf_t &dest)
{
auto *buf_ptr = view.data();
dest.append(buf_ptr, buf_ptr + view.size());
}
#ifdef SPDLOG_USE_STD_FORMAT
template<typename T>
inline void append_int(T n, memory_buf_t &dest)
{
// Buffer should be large enough to hold all digits (digits10 + 1) and a sign
SPDLOG_CONSTEXPR const auto BUF_SIZE = std::numeric_limits<T>::digits10 + 2;
char buf[BUF_SIZE];
auto [ptr, ec] = std::to_chars(buf, buf + BUF_SIZE, n, 10);
if (ec == std::errc())
{
dest.append(buf, ptr);
}
else
{
throw_spdlog_ex("Failed to format int", static_cast<int>(ec));
}
}
#else
template<typename T>
inline void append_int(T n, memory_buf_t &dest)
{
fmt::format_int i(n);
dest.append(i.data(), i.data() + i.size());
}
#endif
template<typename T>
SPDLOG_CONSTEXPR_FUNC unsigned int count_digits_fallback(T n)
{
// taken from fmt: https://github.com/fmtlib/fmt/blob/8.0.1/include/fmt/format.h#L899-L912
unsigned int count = 1;
for (;;)
{
// Integer division is slow so do it for a group of four digits instead
// of for every digit. The idea comes from the talk by Alexandrescu
// "Three Optimization Tips for C++". See speed-test for a comparison.
if (n < 10)
return count;
if (n < 100)
return count + 1;
if (n < 1000)
return count + 2;
if (n < 10000)
return count + 3;
n /= 10000u;
count += 4;
}
}
template<typename T>
inline unsigned int count_digits(T n)
{
using count_type = typename std::conditional<(sizeof(T) > sizeof(uint32_t)), uint64_t, uint32_t>::type;
#ifdef SPDLOG_USE_STD_FORMAT
return count_digits_fallback(static_cast<count_type>(n));
#else
return static_cast<unsigned int>(fmt::
// fmt 7.0.0 renamed the internal namespace to detail.
// See: https://github.com/fmtlib/fmt/issues/1538
# if FMT_VERSION < 70000
internal
# else
detail
# endif
::count_digits(static_cast<count_type>(n)));
#endif
}
inline void pad2(int n, memory_buf_t &dest)
{
if (n >= 0 && n < 100) // 0-99
{
dest.push_back(static_cast<char>('0' + n / 10));
dest.push_back(static_cast<char>('0' + n % 10));
}
else // unlikely, but just in case, let fmt deal with it
{
fmt_lib::format_to(std::back_inserter(dest), SPDLOG_FMT_STRING("{:02}"), n);
}
}
template<typename T>
inline void pad_uint(T n, unsigned int width, memory_buf_t &dest)
{
static_assert(std::is_unsigned<T>::value, "pad_uint must get unsigned T");
for (auto digits = count_digits(n); digits < width; digits++)
{
dest.push_back('0');
}
append_int(n, dest);
}
template<typename T>
inline void pad3(T n, memory_buf_t &dest)
{
static_assert(std::is_unsigned<T>::value, "pad3 must get unsigned T");
if (n < 1000)
{
dest.push_back(static_cast<char>(n / 100 + '0'));
n = n % 100;
dest.push_back(static_cast<char>((n / 10) + '0'));
dest.push_back(static_cast<char>((n % 10) + '0'));
}
else
{
append_int(n, dest);
}
}
template<typename T>
inline void pad6(T n, memory_buf_t &dest)
{
pad_uint(n, 6, dest);
}
template<typename T>
inline void pad9(T n, memory_buf_t &dest)
{
pad_uint(n, 9, dest);
}
// return fraction of a second of the given time_point.
// e.g.
// fraction<std::milliseconds>(tp) -> will return the millis part of the second
template<typename ToDuration>
inline ToDuration time_fraction(log_clock::time_point tp)
{
using std::chrono::duration_cast;
using std::chrono::seconds;
auto duration = tp.time_since_epoch();
auto secs = duration_cast<seconds>(duration);
return duration_cast<ToDuration>(duration) - duration_cast<ToDuration>(secs);
}
} // namespace fmt_helper
} // namespace details
} // namespace spdlog

View File

@@ -0,0 +1,37 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
# include <spdlog/details/log_msg.h>
#endif
#include <spdlog/details/os.h>
namespace spdlog {
namespace details {
SPDLOG_INLINE log_msg::log_msg(spdlog::log_clock::time_point log_time, spdlog::source_loc loc, string_view_t a_logger_name,
spdlog::level::level_enum lvl, spdlog::string_view_t msg)
: logger_name(a_logger_name)
, level(lvl)
, time(log_time)
#ifndef SPDLOG_NO_THREAD_ID
, thread_id(os::thread_id())
#endif
, source(loc)
, payload(msg)
{}
SPDLOG_INLINE log_msg::log_msg(
spdlog::source_loc loc, string_view_t a_logger_name, spdlog::level::level_enum lvl, spdlog::string_view_t msg)
: log_msg(os::now(), loc, a_logger_name, lvl, msg)
{}
SPDLOG_INLINE log_msg::log_msg(string_view_t a_logger_name, spdlog::level::level_enum lvl, spdlog::string_view_t msg)
: log_msg(os::now(), source_loc{}, a_logger_name, lvl, msg)
{}
} // namespace details
} // namespace spdlog

View File

@@ -0,0 +1,37 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/common.h>
#include <string>
namespace spdlog {
namespace details {
struct SPDLOG_API log_msg
{
log_msg() = default;
log_msg(log_clock::time_point log_time, source_loc loc, string_view_t logger_name, level::level_enum lvl, string_view_t msg);
log_msg(source_loc loc, string_view_t logger_name, level::level_enum lvl, string_view_t msg);
log_msg(string_view_t logger_name, level::level_enum lvl, string_view_t msg);
log_msg(const log_msg &other) = default;
log_msg &operator=(const log_msg &other) = default;
string_view_t logger_name;
level::level_enum level{level::off};
log_clock::time_point time;
size_t thread_id{0};
// wrapping the formatted text with color (updated by pattern_formatter).
mutable size_t color_range_start{0};
mutable size_t color_range_end{0};
source_loc source;
string_view_t payload;
};
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
# include "log_msg-inl.h"
#endif

View File

@@ -0,0 +1,58 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
# include <spdlog/details/log_msg_buffer.h>
#endif
namespace spdlog {
namespace details {
SPDLOG_INLINE log_msg_buffer::log_msg_buffer(const log_msg &orig_msg)
: log_msg{orig_msg}
{
buffer.append(logger_name.begin(), logger_name.end());
buffer.append(payload.begin(), payload.end());
update_string_views();
}
SPDLOG_INLINE log_msg_buffer::log_msg_buffer(const log_msg_buffer &other)
: log_msg{other}
{
buffer.append(logger_name.begin(), logger_name.end());
buffer.append(payload.begin(), payload.end());
update_string_views();
}
SPDLOG_INLINE log_msg_buffer::log_msg_buffer(log_msg_buffer &&other) SPDLOG_NOEXCEPT : log_msg{other}, buffer{std::move(other.buffer)}
{
update_string_views();
}
SPDLOG_INLINE log_msg_buffer &log_msg_buffer::operator=(const log_msg_buffer &other)
{
log_msg::operator=(other);
buffer.clear();
buffer.append(other.buffer.data(), other.buffer.data() + other.buffer.size());
update_string_views();
return *this;
}
SPDLOG_INLINE log_msg_buffer &log_msg_buffer::operator=(log_msg_buffer &&other) SPDLOG_NOEXCEPT
{
log_msg::operator=(other);
buffer = std::move(other.buffer);
update_string_views();
return *this;
}
SPDLOG_INLINE void log_msg_buffer::update_string_views()
{
logger_name = string_view_t{buffer.data(), logger_name.size()};
payload = string_view_t{buffer.data() + logger_name.size(), payload.size()};
}
} // namespace details
} // namespace spdlog

View File

@@ -0,0 +1,33 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/details/log_msg.h>
namespace spdlog {
namespace details {
// Extend log_msg with internal buffer to store its payload.
// This is needed since log_msg holds string_views that points to stack data.
class SPDLOG_API log_msg_buffer : public log_msg
{
memory_buf_t buffer;
void update_string_views();
public:
log_msg_buffer() = default;
explicit log_msg_buffer(const log_msg &orig_msg);
log_msg_buffer(const log_msg_buffer &other);
log_msg_buffer(log_msg_buffer &&other) SPDLOG_NOEXCEPT;
log_msg_buffer &operator=(const log_msg_buffer &other);
log_msg_buffer &operator=(log_msg_buffer &&other) SPDLOG_NOEXCEPT;
};
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
# include "log_msg_buffer-inl.h"
#endif

View File

@@ -0,0 +1,154 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
// multi producer-multi consumer blocking queue.
// enqueue(..) - will block until room found to put the new message.
// enqueue_nowait(..) - will return immediately with false if no room left in
// the queue.
// dequeue_for(..) - will block until the queue is not empty or timeout have
// passed.
#include <spdlog/details/circular_q.h>
#include <condition_variable>
#include <mutex>
namespace spdlog {
namespace details {
template<typename T>
class mpmc_blocking_queue
{
public:
using item_type = T;
explicit mpmc_blocking_queue(size_t max_items)
: q_(max_items)
{}
#ifndef __MINGW32__
// try to enqueue and block if no room left
void enqueue(T &&item)
{
{
std::unique_lock<std::mutex> lock(queue_mutex_);
pop_cv_.wait(lock, [this] { return !this->q_.full(); });
q_.push_back(std::move(item));
}
push_cv_.notify_one();
}
// enqueue immediately. overrun oldest message in the queue if no room left.
void enqueue_nowait(T &&item)
{
{
std::unique_lock<std::mutex> lock(queue_mutex_);
q_.push_back(std::move(item));
}
push_cv_.notify_one();
}
// dequeue with a timeout.
// Return true, if succeeded dequeue item, false otherwise
bool dequeue_for(T &popped_item, std::chrono::milliseconds wait_duration)
{
{
std::unique_lock<std::mutex> lock(queue_mutex_);
if (!push_cv_.wait_for(lock, wait_duration, [this] { return !this->q_.empty(); }))
{
return false;
}
popped_item = std::move(q_.front());
q_.pop_front();
}
pop_cv_.notify_one();
return true;
}
// blocking dequeue without a timeout.
void dequeue(T &popped_item)
{
{
std::unique_lock<std::mutex> lock(queue_mutex_);
push_cv_.wait(lock, [this] { return !this->q_.empty(); });
popped_item = std::move(q_.front());
q_.pop_front();
}
pop_cv_.notify_one();
}
#else
// apparently mingw deadlocks if the mutex is released before cv.notify_one(),
// so release the mutex at the very end each function.
// try to enqueue and block if no room left
void enqueue(T &&item)
{
std::unique_lock<std::mutex> lock(queue_mutex_);
pop_cv_.wait(lock, [this] { return !this->q_.full(); });
q_.push_back(std::move(item));
push_cv_.notify_one();
}
// enqueue immediately. overrun oldest message in the queue if no room left.
void enqueue_nowait(T &&item)
{
std::unique_lock<std::mutex> lock(queue_mutex_);
q_.push_back(std::move(item));
push_cv_.notify_one();
}
// dequeue with a timeout.
// Return true, if succeeded dequeue item, false otherwise
bool dequeue_for(T &popped_item, std::chrono::milliseconds wait_duration)
{
std::unique_lock<std::mutex> lock(queue_mutex_);
if (!push_cv_.wait_for(lock, wait_duration, [this] { return !this->q_.empty(); }))
{
return false;
}
popped_item = std::move(q_.front());
q_.pop_front();
pop_cv_.notify_one();
return true;
}
// blocking dequeue without a timeout.
void dequeue(T &popped_item)
{
std::unique_lock<std::mutex> lock(queue_mutex_);
push_cv_.wait(lock, [this] { return !this->q_.empty(); });
popped_item = std::move(q_.front());
q_.pop_front();
pop_cv_.notify_one();
}
#endif
size_t overrun_counter()
{
std::unique_lock<std::mutex> lock(queue_mutex_);
return q_.overrun_counter();
}
size_t size()
{
std::unique_lock<std::mutex> lock(queue_mutex_);
return q_.size();
}
void reset_overrun_counter()
{
std::unique_lock<std::mutex> lock(queue_mutex_);
q_.reset_overrun_counter();
}
private:
std::mutex queue_mutex_;
std::condition_variable push_cv_;
std::condition_variable pop_cv_;
spdlog::details::circular_q<T> q_;
};
} // namespace details
} // namespace spdlog

View File

@@ -0,0 +1,45 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <atomic>
#include <utility>
// null, no cost dummy "mutex" and dummy "atomic" int
namespace spdlog {
namespace details {
struct null_mutex
{
void lock() const {}
void unlock() const {}
};
struct null_atomic_int
{
int value;
null_atomic_int() = default;
explicit null_atomic_int(int new_value)
: value(new_value)
{}
int load(std::memory_order = std::memory_order_relaxed) const
{
return value;
}
void store(int new_value, std::memory_order = std::memory_order_relaxed)
{
value = new_value;
}
int exchange(int new_value, std::memory_order = std::memory_order_relaxed)
{
std::swap(new_value, value);
return new_value; // return value before the call
}
};
} // namespace details
} // namespace spdlog

View File

@@ -0,0 +1,635 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
# include <spdlog/details/os.h>
#endif
#include <spdlog/common.h>
#include <algorithm>
#include <chrono>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <string>
#include <thread>
#include <array>
#include <sys/stat.h>
#include <sys/types.h>
#ifdef _WIN32
# include <io.h> // for _get_osfhandle, _isatty, _fileno
# include <process.h> // for _get_pid
# include <spdlog/details/windows_include.h>
# include <fileapi.h> // for FlushFileBuffers
# ifdef __MINGW32__
# include <share.h>
# endif
# if defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)
# include <limits>
# include <cassert>
# endif
# include <direct.h> // for _mkdir/_wmkdir
#else // unix
# include <fcntl.h>
# include <unistd.h>
# ifdef __linux__
# include <sys/syscall.h> //Use gettid() syscall under linux to get thread id
# elif defined(_AIX)
# include <pthread.h> // for pthread_getthrds_np
# elif defined(__DragonFly__) || defined(__FreeBSD__)
# include <pthread_np.h> // for pthread_getthreadid_np
# elif defined(__NetBSD__)
# include <lwp.h> // for _lwp_self
# elif defined(__sun)
# include <thread.h> // for thr_self
# endif
#endif // unix
#if defined __APPLE__
# include <AvailabilityMacros.h>
#endif
#ifndef __has_feature // Clang - feature checking macros.
# define __has_feature(x) 0 // Compatibility with non-clang compilers.
#endif
namespace spdlog {
namespace details {
namespace os {
SPDLOG_INLINE spdlog::log_clock::time_point now() SPDLOG_NOEXCEPT
{
#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
}
SPDLOG_INLINE std::tm localtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT
{
#ifdef _WIN32
std::tm tm;
::localtime_s(&tm, &time_tt);
#else
std::tm tm;
::localtime_r(&time_tt, &tm);
#endif
return tm;
}
SPDLOG_INLINE std::tm localtime() SPDLOG_NOEXCEPT
{
std::time_t now_t = ::time(nullptr);
return localtime(now_t);
}
SPDLOG_INLINE std::tm gmtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT
{
#ifdef _WIN32
std::tm tm;
::gmtime_s(&tm, &time_tt);
#else
std::tm tm;
::gmtime_r(&time_tt, &tm);
#endif
return tm;
}
SPDLOG_INLINE std::tm gmtime() SPDLOG_NOEXCEPT
{
std::time_t now_t = ::time(nullptr);
return gmtime(now_t);
}
// fopen_s on non windows for writing
SPDLOG_INLINE bool 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_DENYNO);
# else
*fp = ::_fsopen((filename.c_str()), mode.c_str(), _SH_DENYNO);
# endif
# if defined(SPDLOG_PREVENT_CHILD_FD)
if (*fp != nullptr)
{
auto file_handle = reinterpret_cast<HANDLE>(_get_osfhandle(::_fileno(*fp)));
if (!::SetHandleInformation(file_handle, HANDLE_FLAG_INHERIT, 0))
{
::fclose(*fp);
*fp = nullptr;
}
}
# endif
#else // unix
# if defined(SPDLOG_PREVENT_CHILD_FD)
const int mode_flag = mode == SPDLOG_FILENAME_T("ab") ? O_APPEND : O_TRUNC;
const int fd = ::open((filename.c_str()), O_CREAT | O_WRONLY | O_CLOEXEC | mode_flag, mode_t(0644));
if (fd == -1)
{
return true;
}
*fp = ::fdopen(fd, mode.c_str());
if (*fp == nullptr)
{
::close(fd);
}
# else
*fp = ::fopen((filename.c_str()), mode.c_str());
# endif
#endif
return *fp == nullptr;
}
SPDLOG_INLINE int remove(const filename_t &filename) SPDLOG_NOEXCEPT
{
#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
return ::_wremove(filename.c_str());
#else
return std::remove(filename.c_str());
#endif
}
SPDLOG_INLINE int remove_if_exists(const filename_t &filename) SPDLOG_NOEXCEPT
{
return path_exists(filename) ? remove(filename) : 0;
}
SPDLOG_INLINE int rename(const filename_t &filename1, const filename_t &filename2) SPDLOG_NOEXCEPT
{
#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 true if path exists (file or directory)
SPDLOG_INLINE bool path_exists(const filename_t &filename) SPDLOG_NOEXCEPT
{
#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;
#else // common linux/unix all have the stat system call
struct stat buffer;
return (::stat(filename.c_str(), &buffer) == 0);
#endif
}
#ifdef _MSC_VER
// avoid warning about unreachable statement at the end of filesize()
# pragma warning(push)
# pragma warning(disable : 4702)
#endif
// Return file size according to open FILE* object
SPDLOG_INLINE size_t filesize(FILE *f)
{
if (f == nullptr)
{
throw_spdlog_ex("Failed getting file size. fd is null");
}
#if defined(_WIN32) && !defined(__CYGWIN__)
int fd = ::_fileno(f);
# if defined(_WIN64) // 64 bits
__int64 ret = ::_filelengthi64(fd);
if (ret >= 0)
{
return static_cast<size_t>(ret);
}
# else // windows 32 bits
long ret = ::_filelength(fd);
if (ret >= 0)
{
return static_cast<size_t>(ret);
}
# endif
#else // unix
// OpenBSD and AIX doesn't compile with :: before the fileno(..)
# if defined(__OpenBSD__) || defined(_AIX)
int fd = fileno(f);
# else
int fd = ::fileno(f);
# endif
// 64 bits(but not in osx, linux/musl or cygwin, where fstat64 is deprecated)
# if ((defined(__linux__) && defined(__GLIBC__)) || defined(__sun) || defined(_AIX)) && (defined(__LP64__) || defined(_LP64))
struct stat64 st;
if (::fstat64(fd, &st) == 0)
{
return static_cast<size_t>(st.st_size);
}
# else // other unix or linux 32 bits or cygwin
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 0; // will not be reached.
}
#ifdef _MSC_VER
# pragma warning(pop)
#endif
// Return utc offset in minutes or throw spdlog_ex on failure
SPDLOG_INLINE int utc_minutes_offset(const std::tm &tm)
{
#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_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) || defined(_AIX) || (defined(__NEWLIB__) && !defined(__TM_GMTOFF)) || \
(!defined(_BSD_SOURCE) && !defined(_GNU_SOURCE))
// '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 */
+ static_cast<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;
}
};
auto offset_seconds = helper::calculate_gmt_offset(tm);
# else
auto 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(especially
// under VS 2013)
SPDLOG_INLINE size_t _thread_id() SPDLOG_NOEXCEPT
{
#ifdef _WIN32
return static_cast<size_t>(::GetCurrentThreadId());
#elif defined(__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 defined(_AIX)
struct __pthrdsinfo buf;
int reg_size = 0;
pthread_t pt = pthread_self();
int retval = pthread_getthrds_np(&pt, PTHRDSINFO_QUERY_TID, &buf, sizeof(buf), NULL, &reg_size);
int tid = (!retval) ? buf.__pi_tid : 0;
return static_cast<size_t>(tid);
#elif defined(__DragonFly__) || defined(__FreeBSD__)
return static_cast<size_t>(::pthread_getthreadid_np());
#elif defined(__NetBSD__)
return static_cast<size_t>(::_lwp_self());
#elif defined(__OpenBSD__)
return static_cast<size_t>(::getthrid());
#elif defined(__sun)
return static_cast<size_t>(::thr_self());
#elif __APPLE__
uint64_t tid;
// There is no pthread_threadid_np prior to 10.6, and it is not supported on any PPC,
// including 10.6.8 Rosetta. __POWERPC__ is Apple-specific define encompassing ppc and ppc64.
# if (MAC_OS_X_VERSION_MAX_ALLOWED < 1060) || defined(__POWERPC__)
tid = pthread_mach_thread_np(pthread_self());
# elif MAC_OS_X_VERSION_MIN_REQUIRED < 1060
if (&pthread_threadid_np)
{
pthread_threadid_np(nullptr, &tid);
}
else
{
tid = pthread_mach_thread_np(pthread_self());
}
# else
pthread_threadid_np(nullptr, &tid);
# endif
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)
SPDLOG_INLINE size_t thread_id() SPDLOG_NOEXCEPT
{
#if defined(SPDLOG_NO_TLS)
return _thread_id();
#else // cache thread id in tls
static thread_local const size_t tid = _thread_id();
return tid;
#endif
}
// This is avoid msvc issue in sleep_for that happens if the clock changes.
// See https://github.com/gabime/spdlog/issues/609
SPDLOG_INLINE void sleep_for_millis(unsigned int milliseconds) SPDLOG_NOEXCEPT
{
#if defined(_WIN32)
::Sleep(milliseconds);
#else
std::this_thread::sleep_for(std::chrono::milliseconds(milliseconds));
#endif
}
// wchar support for windows file names (SPDLOG_WCHAR_FILENAMES must be defined)
#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
SPDLOG_INLINE std::string filename_to_str(const filename_t &filename)
{
memory_buf_t buf;
wstr_to_utf8buf(filename, buf);
return SPDLOG_BUF_TO_STRING(buf);
}
#else
SPDLOG_INLINE std::string filename_to_str(const filename_t &filename)
{
return filename;
}
#endif
SPDLOG_INLINE int pid() SPDLOG_NOEXCEPT
{
#ifdef _WIN32
return conditional_static_cast<int>(::GetCurrentProcessId());
#else
return conditional_static_cast<int>(::getpid());
#endif
}
// Determine if the terminal supports colors
// Based on: https://github.com/agauniyal/rang/
SPDLOG_INLINE bool is_color_terminal() SPDLOG_NOEXCEPT
{
#ifdef _WIN32
return true;
#else
static const bool result = []() {
const char *env_colorterm_p = std::getenv("COLORTERM");
if (env_colorterm_p != nullptr)
{
return true;
}
static constexpr std::array<const char *, 16> terms = {{"ansi", "color", "console", "cygwin", "gnome", "konsole", "kterm", "linux",
"msys", "putty", "rxvt", "screen", "vt100", "xterm", "alacritty", "vt102"}};
const char *env_term_p = std::getenv("TERM");
if (env_term_p == nullptr)
{
return false;
}
return std::any_of(terms.begin(), terms.end(), [&](const char *term) { return std::strstr(env_term_p, term) != nullptr; });
}();
return result;
#endif
}
// Determine if the terminal attached
// Source: https://github.com/agauniyal/rang/
SPDLOG_INLINE bool in_terminal(FILE *file) SPDLOG_NOEXCEPT
{
#ifdef _WIN32
return ::_isatty(_fileno(file)) != 0;
#else
return ::isatty(fileno(file)) != 0;
#endif
}
#if (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32)
SPDLOG_INLINE void wstr_to_utf8buf(wstring_view_t wstr, memory_buf_t &target)
{
if (wstr.size() > static_cast<size_t>((std::numeric_limits<int>::max)()) / 2 - 1)
{
throw_spdlog_ex("UTF-16 string is too big to be converted to UTF-8");
}
int wstr_size = static_cast<int>(wstr.size());
if (wstr_size == 0)
{
target.resize(0);
return;
}
int result_size = static_cast<int>(target.capacity());
if ((wstr_size + 1) * 2 > result_size)
{
result_size = ::WideCharToMultiByte(CP_UTF8, 0, wstr.data(), wstr_size, NULL, 0, NULL, NULL);
}
if (result_size > 0)
{
target.resize(result_size);
result_size = ::WideCharToMultiByte(CP_UTF8, 0, wstr.data(), wstr_size, target.data(), result_size, NULL, NULL);
if (result_size > 0)
{
target.resize(result_size);
return;
}
}
throw_spdlog_ex(fmt_lib::format("WideCharToMultiByte failed. Last error: {}", ::GetLastError()));
}
SPDLOG_INLINE void utf8_to_wstrbuf(string_view_t str, wmemory_buf_t &target)
{
if (str.size() > static_cast<size_t>((std::numeric_limits<int>::max)()) - 1)
{
throw_spdlog_ex("UTF-8 string is too big to be converted to UTF-16");
}
int str_size = static_cast<int>(str.size());
if (str_size == 0)
{
target.resize(0);
return;
}
// find the size to allocate for the result buffer
int result_size = ::MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, str.data(), str_size, NULL, 0);
if (result_size > 0)
{
target.resize(result_size);
result_size = ::MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, str.data(), str_size, target.data(), result_size);
if (result_size > 0)
{
assert(result_size == target.size());
return;
}
}
throw_spdlog_ex(fmt_lib::format("MultiByteToWideChar failed. Last error: {}", ::GetLastError()));
}
#endif // (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32)
// return true on success
static SPDLOG_INLINE bool mkdir_(const filename_t &path)
{
#ifdef _WIN32
# ifdef SPDLOG_WCHAR_FILENAMES
return ::_wmkdir(path.c_str()) == 0;
# else
return ::_mkdir(path.c_str()) == 0;
# endif
#else
return ::mkdir(path.c_str(), mode_t(0755)) == 0;
#endif
}
// create the given directory - and all directories leading to it
// return true on success or if the directory already exists
SPDLOG_INLINE bool create_dir(const filename_t &path)
{
if (path_exists(path))
{
return true;
}
if (path.empty())
{
return false;
}
size_t search_offset = 0;
do
{
auto token_pos = path.find_first_of(folder_seps_filename, search_offset);
// treat the entire path as a folder if no folder separator not found
if (token_pos == filename_t::npos)
{
token_pos = path.size();
}
auto subdir = path.substr(0, token_pos);
if (!subdir.empty() && !path_exists(subdir) && !mkdir_(subdir))
{
return false; // return error if failed creating dir
}
search_offset = token_pos + 1;
} while (search_offset < path.size());
return true;
}
// Return directory name from given path or empty string
// "abc/file" => "abc"
// "abc/" => "abc"
// "abc" => ""
// "abc///" => "abc//"
SPDLOG_INLINE filename_t dir_name(const filename_t &path)
{
auto pos = path.find_last_of(folder_seps_filename);
return pos != filename_t::npos ? path.substr(0, pos) : filename_t{};
}
std::string SPDLOG_INLINE getenv(const char *field)
{
#if defined(_MSC_VER)
# if defined(__cplusplus_winrt)
return std::string{}; // not supported under uwp
# else
size_t len = 0;
char buf[128];
bool ok = ::getenv_s(&len, buf, sizeof(buf), field) == 0;
return ok ? buf : std::string{};
# endif
#else // revert to getenv
char *buf = ::getenv(field);
return buf ? buf : std::string{};
#endif
}
// Do fsync by FILE handlerpointer
// Return true on success
SPDLOG_INLINE bool fsync(FILE *fp)
{
#ifdef _WIN32
return FlushFileBuffers(reinterpret_cast<HANDLE>(_get_osfhandle(_fileno(fp)))) != 0;
#else
return ::fsync(fileno(fp)) == 0;
#endif
}
} // namespace os
} // namespace details
} // namespace spdlog

View File

@@ -0,0 +1,122 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/common.h>
#include <ctime> // std::time_t
namespace spdlog {
namespace details {
namespace os {
SPDLOG_API spdlog::log_clock::time_point now() SPDLOG_NOEXCEPT;
SPDLOG_API std::tm localtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT;
SPDLOG_API std::tm localtime() SPDLOG_NOEXCEPT;
SPDLOG_API std::tm gmtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT;
SPDLOG_API std::tm gmtime() SPDLOG_NOEXCEPT;
// 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 *default_eol = SPDLOG_EOL;
// folder separator
#if !defined(SPDLOG_FOLDER_SEPS)
# ifdef _WIN32
# define SPDLOG_FOLDER_SEPS "\\/"
# else
# define SPDLOG_FOLDER_SEPS "/"
# endif
#endif
SPDLOG_CONSTEXPR static const char folder_seps[] = SPDLOG_FOLDER_SEPS;
SPDLOG_CONSTEXPR static const filename_t::value_type folder_seps_filename[] = SPDLOG_FILENAME_T(SPDLOG_FOLDER_SEPS);
// fopen_s on non windows for writing
SPDLOG_API bool fopen_s(FILE **fp, const filename_t &filename, const filename_t &mode);
// Remove filename. return 0 on success
SPDLOG_API int remove(const filename_t &filename) SPDLOG_NOEXCEPT;
// Remove file if exists. return 0 on success
// Note: Non atomic (might return failure to delete if concurrently deleted by other process/thread)
SPDLOG_API int remove_if_exists(const filename_t &filename) SPDLOG_NOEXCEPT;
SPDLOG_API int rename(const filename_t &filename1, const filename_t &filename2) SPDLOG_NOEXCEPT;
// Return if file exists.
SPDLOG_API bool path_exists(const filename_t &filename) SPDLOG_NOEXCEPT;
// Return file size according to open FILE* object
SPDLOG_API size_t filesize(FILE *f);
// Return utc offset in minutes or throw spdlog_ex on failure
SPDLOG_API int utc_minutes_offset(const std::tm &tm = details::os::localtime());
// Return current thread id as size_t
// It exists because the std::this_thread::get_id() is much slower(especially
// under VS 2013)
SPDLOG_API size_t _thread_id() SPDLOG_NOEXCEPT;
// Return current thread id as size_t (from thread local storage)
SPDLOG_API size_t thread_id() SPDLOG_NOEXCEPT;
// This is avoid msvc issue in sleep_for that happens if the clock changes.
// See https://github.com/gabime/spdlog/issues/609
SPDLOG_API void sleep_for_millis(unsigned int milliseconds) SPDLOG_NOEXCEPT;
SPDLOG_API std::string filename_to_str(const filename_t &filename);
SPDLOG_API int pid() SPDLOG_NOEXCEPT;
// Determine if the terminal supports colors
// Source: https://github.com/agauniyal/rang/
SPDLOG_API bool is_color_terminal() SPDLOG_NOEXCEPT;
// Determine if the terminal attached
// Source: https://github.com/agauniyal/rang/
SPDLOG_API bool in_terminal(FILE *file) SPDLOG_NOEXCEPT;
#if (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32)
SPDLOG_API void wstr_to_utf8buf(wstring_view_t wstr, memory_buf_t &target);
SPDLOG_API void utf8_to_wstrbuf(string_view_t str, wmemory_buf_t &target);
#endif
// Return directory name from given path or empty string
// "abc/file" => "abc"
// "abc/" => "abc"
// "abc" => ""
// "abc///" => "abc//"
SPDLOG_API filename_t dir_name(const filename_t &path);
// Create a dir from the given path.
// Return true if succeeded or if this dir already exists.
SPDLOG_API bool create_dir(const filename_t &path);
// non thread safe, cross platform getenv/getenv_s
// return empty string if field not found
SPDLOG_API std::string getenv(const char *field);
// Do fsync by FILE objectpointer.
// Return true on success.
SPDLOG_API bool fsync(FILE *fp);
} // namespace os
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
# include "os-inl.h"
#endif

View File

@@ -0,0 +1,28 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
# include <spdlog/details/periodic_worker.h>
#endif
namespace spdlog {
namespace details {
// stop the worker thread and join it
SPDLOG_INLINE periodic_worker::~periodic_worker()
{
if (worker_thread_.joinable())
{
{
std::lock_guard<std::mutex> lock(mutex_);
active_ = false;
}
cv_.notify_one();
worker_thread_.join();
}
}
} // namespace details
} // namespace spdlog

View File

@@ -0,0 +1,60 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
// periodic worker thread - periodically executes the given callback function.
//
// RAII over the owned thread:
// creates the thread on construction.
// stops and joins the thread on destruction (if the thread is executing a callback, wait for it to finish first).
#include <chrono>
#include <condition_variable>
#include <functional>
#include <mutex>
#include <thread>
namespace spdlog {
namespace details {
class SPDLOG_API periodic_worker
{
public:
template<typename Rep, typename Period>
periodic_worker(const std::function<void()> &callback_fun, std::chrono::duration<Rep, Period> interval)
{
active_ = (interval > std::chrono::duration<Rep, Period>::zero());
if (!active_)
{
return;
}
worker_thread_ = std::thread([this, callback_fun, interval]() {
for (;;)
{
std::unique_lock<std::mutex> lock(this->mutex_);
if (this->cv_.wait_for(lock, interval, [this] { return !this->active_; }))
{
return; // active_ == false, so exit this thread
}
callback_fun();
}
});
}
periodic_worker(const periodic_worker &) = delete;
periodic_worker &operator=(const periodic_worker &) = delete;
// stop the worker thread and join it
~periodic_worker();
private:
bool active_;
std::thread worker_thread_;
std::mutex mutex_;
std::condition_variable cv_;
};
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
# include "periodic_worker-inl.h"
#endif

View File

@@ -0,0 +1,315 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
# include <spdlog/details/registry.h>
#endif
#include <spdlog/common.h>
#include <spdlog/details/periodic_worker.h>
#include <spdlog/logger.h>
#include <spdlog/pattern_formatter.h>
#ifndef SPDLOG_DISABLE_DEFAULT_LOGGER
// support for the default stdout color logger
# ifdef _WIN32
# include <spdlog/sinks/wincolor_sink.h>
# else
# include <spdlog/sinks/ansicolor_sink.h>
# endif
#endif // SPDLOG_DISABLE_DEFAULT_LOGGER
#include <chrono>
#include <functional>
#include <memory>
#include <string>
#include <unordered_map>
namespace spdlog {
namespace details {
SPDLOG_INLINE registry::registry()
: formatter_(new pattern_formatter())
{
#ifndef SPDLOG_DISABLE_DEFAULT_LOGGER
// create default logger (ansicolor_stdout_sink_mt or wincolor_stdout_sink_mt in windows).
# ifdef _WIN32
auto color_sink = std::make_shared<sinks::wincolor_stdout_sink_mt>();
# else
auto color_sink = std::make_shared<sinks::ansicolor_stdout_sink_mt>();
# endif
const char *default_logger_name = "";
default_logger_ = std::make_shared<spdlog::logger>(default_logger_name, std::move(color_sink));
loggers_[default_logger_name] = default_logger_;
#endif // SPDLOG_DISABLE_DEFAULT_LOGGER
}
SPDLOG_INLINE registry::~registry() = default;
SPDLOG_INLINE void registry::register_logger(std::shared_ptr<logger> new_logger)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
register_logger_(std::move(new_logger));
}
SPDLOG_INLINE void registry::initialize_logger(std::shared_ptr<logger> new_logger)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
new_logger->set_formatter(formatter_->clone());
if (err_handler_)
{
new_logger->set_error_handler(err_handler_);
}
// set new level according to previously configured level or default level
auto it = log_levels_.find(new_logger->name());
auto new_level = it != log_levels_.end() ? it->second : global_log_level_;
new_logger->set_level(new_level);
new_logger->flush_on(flush_level_);
if (backtrace_n_messages_ > 0)
{
new_logger->enable_backtrace(backtrace_n_messages_);
}
if (automatic_registration_)
{
register_logger_(std::move(new_logger));
}
}
SPDLOG_INLINE std::shared_ptr<logger> registry::get(const std::string &logger_name)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
auto found = loggers_.find(logger_name);
return found == loggers_.end() ? nullptr : found->second;
}
SPDLOG_INLINE std::shared_ptr<logger> registry::default_logger()
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
return default_logger_;
}
// Return raw ptr to the default logger.
// To be used directly by the spdlog default api (e.g. spdlog::info)
// This make the default API faster, but cannot be used concurrently with set_default_logger().
// e.g do not call set_default_logger() from one thread while calling spdlog::info() from another.
SPDLOG_INLINE logger *registry::get_default_raw()
{
return default_logger_.get();
}
// set default logger.
// default logger is stored in default_logger_ (for faster retrieval) and in the loggers_ map.
SPDLOG_INLINE void registry::set_default_logger(std::shared_ptr<logger> new_default_logger)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
// remove previous default logger from the map
if (default_logger_ != nullptr)
{
loggers_.erase(default_logger_->name());
}
if (new_default_logger != nullptr)
{
loggers_[new_default_logger->name()] = new_default_logger;
}
default_logger_ = std::move(new_default_logger);
}
SPDLOG_INLINE void registry::set_tp(std::shared_ptr<thread_pool> tp)
{
std::lock_guard<std::recursive_mutex> lock(tp_mutex_);
tp_ = std::move(tp);
}
SPDLOG_INLINE std::shared_ptr<thread_pool> registry::get_tp()
{
std::lock_guard<std::recursive_mutex> lock(tp_mutex_);
return tp_;
}
// Set global formatter. Each sink in each logger will get a clone of this object
SPDLOG_INLINE void registry::set_formatter(std::unique_ptr<formatter> formatter)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
formatter_ = std::move(formatter);
for (auto &l : loggers_)
{
l.second->set_formatter(formatter_->clone());
}
}
SPDLOG_INLINE void registry::enable_backtrace(size_t n_messages)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
backtrace_n_messages_ = n_messages;
for (auto &l : loggers_)
{
l.second->enable_backtrace(n_messages);
}
}
SPDLOG_INLINE void registry::disable_backtrace()
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
backtrace_n_messages_ = 0;
for (auto &l : loggers_)
{
l.second->disable_backtrace();
}
}
SPDLOG_INLINE void registry::set_level(level::level_enum log_level)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
for (auto &l : loggers_)
{
l.second->set_level(log_level);
}
global_log_level_ = log_level;
}
SPDLOG_INLINE void registry::flush_on(level::level_enum log_level)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
for (auto &l : loggers_)
{
l.second->flush_on(log_level);
}
flush_level_ = log_level;
}
SPDLOG_INLINE void registry::set_error_handler(err_handler handler)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
for (auto &l : loggers_)
{
l.second->set_error_handler(handler);
}
err_handler_ = std::move(handler);
}
SPDLOG_INLINE void registry::apply_all(const std::function<void(const std::shared_ptr<logger>)> &fun)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
for (auto &l : loggers_)
{
fun(l.second);
}
}
SPDLOG_INLINE void registry::flush_all()
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
for (auto &l : loggers_)
{
l.second->flush();
}
}
SPDLOG_INLINE void registry::drop(const std::string &logger_name)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
auto is_default_logger = default_logger_ && default_logger_->name() == logger_name;
loggers_.erase(logger_name);
if (is_default_logger)
{
default_logger_.reset();
}
}
SPDLOG_INLINE void registry::drop_all()
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
loggers_.clear();
default_logger_.reset();
}
// clean all resources and threads started by the registry
SPDLOG_INLINE void registry::shutdown()
{
{
std::lock_guard<std::mutex> lock(flusher_mutex_);
periodic_flusher_.reset();
}
drop_all();
{
std::lock_guard<std::recursive_mutex> lock(tp_mutex_);
tp_.reset();
}
}
SPDLOG_INLINE std::recursive_mutex &registry::tp_mutex()
{
return tp_mutex_;
}
SPDLOG_INLINE void registry::set_automatic_registration(bool automatic_registration)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
automatic_registration_ = automatic_registration;
}
SPDLOG_INLINE void registry::set_levels(log_levels levels, level::level_enum *global_level)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
log_levels_ = std::move(levels);
auto global_level_requested = global_level != nullptr;
global_log_level_ = global_level_requested ? *global_level : global_log_level_;
for (auto &logger : loggers_)
{
auto logger_entry = log_levels_.find(logger.first);
if (logger_entry != log_levels_.end())
{
logger.second->set_level(logger_entry->second);
}
else if (global_level_requested)
{
logger.second->set_level(*global_level);
}
}
}
SPDLOG_INLINE registry &registry::instance()
{
static registry s_instance;
return s_instance;
}
SPDLOG_INLINE void registry::apply_logger_env_levels(std::shared_ptr<logger> new_logger)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
auto it = log_levels_.find(new_logger->name());
auto new_level = it != log_levels_.end() ? it->second : global_log_level_;
new_logger->set_level(new_level);
}
SPDLOG_INLINE void registry::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");
}
}
SPDLOG_INLINE void registry::register_logger_(std::shared_ptr<logger> new_logger)
{
auto logger_name = new_logger->name();
throw_if_exists_(logger_name);
loggers_[logger_name] = std::move(new_logger);
}
} // namespace details
} // namespace spdlog

View File

@@ -0,0 +1,123 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
// Loggers registry of unique name->logger pointer
// An attempt to create a logger with an already existing name will result with spdlog_ex exception.
// If user requests a non existing logger, nullptr will be returned
// This class is thread safe
#include <spdlog/common.h>
#include <spdlog/details/periodic_worker.h>
#include <chrono>
#include <functional>
#include <memory>
#include <string>
#include <unordered_map>
#include <mutex>
namespace spdlog {
class logger;
namespace details {
class thread_pool;
class SPDLOG_API registry
{
public:
using log_levels = std::unordered_map<std::string, level::level_enum>;
registry(const registry &) = delete;
registry &operator=(const registry &) = delete;
void register_logger(std::shared_ptr<logger> new_logger);
void initialize_logger(std::shared_ptr<logger> new_logger);
std::shared_ptr<logger> get(const std::string &logger_name);
std::shared_ptr<logger> default_logger();
// Return raw ptr to the default logger.
// To be used directly by the spdlog default api (e.g. spdlog::info)
// This make the default API faster, but cannot be used concurrently with set_default_logger().
// e.g do not call set_default_logger() from one thread while calling spdlog::info() from another.
logger *get_default_raw();
// set default logger.
// default logger is stored in default_logger_ (for faster retrieval) and in the loggers_ map.
void set_default_logger(std::shared_ptr<logger> new_default_logger);
void set_tp(std::shared_ptr<thread_pool> tp);
std::shared_ptr<thread_pool> get_tp();
// Set global formatter. Each sink in each logger will get a clone of this object
void set_formatter(std::unique_ptr<formatter> formatter);
void enable_backtrace(size_t n_messages);
void disable_backtrace();
void set_level(level::level_enum log_level);
void flush_on(level::level_enum log_level);
template<typename Rep, typename Period>
void flush_every(std::chrono::duration<Rep, Period> interval)
{
std::lock_guard<std::mutex> lock(flusher_mutex_);
auto clbk = [this]() { this->flush_all(); };
periodic_flusher_ = details::make_unique<periodic_worker>(clbk, interval);
}
void set_error_handler(err_handler handler);
void apply_all(const std::function<void(const std::shared_ptr<logger>)> &fun);
void flush_all();
void drop(const std::string &logger_name);
void drop_all();
// clean all resources and threads started by the registry
void shutdown();
std::recursive_mutex &tp_mutex();
void set_automatic_registration(bool automatic_registration);
// set levels for all existing/future loggers. global_level can be null if should not set.
void set_levels(log_levels levels, level::level_enum *global_level);
static registry &instance();
void apply_logger_env_levels(std::shared_ptr<logger> new_logger);
private:
registry();
~registry();
void throw_if_exists_(const std::string &logger_name);
void register_logger_(std::shared_ptr<logger> new_logger);
bool set_level_from_cfg_(logger *logger);
std::mutex logger_map_mutex_, flusher_mutex_;
std::recursive_mutex tp_mutex_;
std::unordered_map<std::string, std::shared_ptr<logger>> loggers_;
log_levels log_levels_;
std::unique_ptr<formatter> formatter_;
spdlog::level::level_enum global_log_level_ = level::info;
level::level_enum flush_level_ = level::off;
err_handler err_handler_;
std::shared_ptr<thread_pool> tp_;
std::unique_ptr<periodic_worker> periodic_flusher_;
std::shared_ptr<logger> default_logger_;
bool automatic_registration_ = true;
size_t backtrace_n_messages_ = 0;
};
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
# include "registry-inl.h"
#endif

View File

@@ -0,0 +1,24 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include "registry.h"
namespace spdlog {
// Default logger factory- creates synchronous loggers
class logger;
struct synchronous_factory
{
template<typename Sink, typename... SinkArgs>
static std::shared_ptr<spdlog::logger> create(std::string logger_name, SinkArgs &&...args)
{
auto sink = std::make_shared<Sink>(std::forward<SinkArgs>(args)...);
auto new_logger = std::make_shared<spdlog::logger>(std::move(logger_name), std::move(sink));
details::registry::instance().initialize_logger(new_logger);
return new_logger;
}
};
} // namespace spdlog

View File

@@ -0,0 +1,160 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#define WIN32_LEAN_AND_MEAN
// tcp client helper
#include <spdlog/common.h>
#include <spdlog/details/os.h>
#include <winsock2.h>
#include <windows.h>
#include <ws2tcpip.h>
#include <stdlib.h>
#include <stdio.h>
#include <string>
#pragma comment(lib, "Ws2_32.lib")
#pragma comment(lib, "Mswsock.lib")
#pragma comment(lib, "AdvApi32.lib")
namespace spdlog {
namespace details {
class tcp_client
{
SOCKET socket_ = INVALID_SOCKET;
static void init_winsock_()
{
WSADATA wsaData;
auto rv = WSAStartup(MAKEWORD(2, 2), &wsaData);
if (rv != 0)
{
throw_winsock_error_("WSAStartup failed", ::WSAGetLastError());
}
}
static void throw_winsock_error_(const std::string &msg, int last_error)
{
char buf[512];
::FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, last_error,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), buf, (sizeof(buf) / sizeof(char)), NULL);
throw_spdlog_ex(fmt_lib::format("tcp_sink - {}: {}", msg, buf));
}
public:
tcp_client()
{
init_winsock_();
}
~tcp_client()
{
close();
::WSACleanup();
}
bool is_connected() const
{
return socket_ != INVALID_SOCKET;
}
void close()
{
::closesocket(socket_);
socket_ = INVALID_SOCKET;
}
SOCKET fd() const
{
return socket_;
}
// try to connect or throw on failure
void connect(const std::string &host, int port)
{
if (is_connected())
{
close();
}
struct addrinfo hints
{};
ZeroMemory(&hints, sizeof(hints));
hints.ai_family = AF_UNSPEC; // To work with IPv4, IPv6, and so on
hints.ai_socktype = SOCK_STREAM; // TCP
hints.ai_flags = AI_NUMERICSERV; // port passed as as numeric value
hints.ai_protocol = 0;
auto port_str = std::to_string(port);
struct addrinfo *addrinfo_result;
auto rv = ::getaddrinfo(host.c_str(), port_str.c_str(), &hints, &addrinfo_result);
int last_error = 0;
if (rv != 0)
{
last_error = ::WSAGetLastError();
WSACleanup();
throw_winsock_error_("getaddrinfo failed", last_error);
}
// Try each address until we successfully connect(2).
for (auto *rp = addrinfo_result; rp != nullptr; rp = rp->ai_next)
{
socket_ = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
if (socket_ == INVALID_SOCKET)
{
last_error = ::WSAGetLastError();
WSACleanup();
continue;
}
if (::connect(socket_, rp->ai_addr, (int)rp->ai_addrlen) == 0)
{
break;
}
else
{
last_error = ::WSAGetLastError();
close();
}
}
::freeaddrinfo(addrinfo_result);
if (socket_ == INVALID_SOCKET)
{
WSACleanup();
throw_winsock_error_("connect failed", last_error);
}
// set TCP_NODELAY
int enable_flag = 1;
::setsockopt(socket_, IPPROTO_TCP, TCP_NODELAY, reinterpret_cast<char *>(&enable_flag), sizeof(enable_flag));
}
// Send exactly n_bytes of the given data.
// On error close the connection and throw.
void send(const char *data, size_t n_bytes)
{
size_t bytes_sent = 0;
while (bytes_sent < n_bytes)
{
const int send_flags = 0;
auto write_result = ::send(socket_, data + bytes_sent, (int)(n_bytes - bytes_sent), send_flags);
if (write_result == SOCKET_ERROR)
{
int last_error = ::WSAGetLastError();
close();
throw_winsock_error_("send failed", last_error);
}
if (write_result == 0) // (probably should not happen but in any case..)
{
break;
}
bytes_sent += static_cast<size_t>(write_result);
}
}
};
} // namespace details
} // namespace spdlog

View File

@@ -0,0 +1,146 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifdef _WIN32
# error include tcp_client-windows.h instead
#endif
// tcp client helper
#include <spdlog/common.h>
#include <spdlog/details/os.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <netdb.h>
#include <netinet/tcp.h>
#include <netinet/in.h>
#include <string>
namespace spdlog {
namespace details {
class tcp_client
{
int socket_ = -1;
public:
bool is_connected() const
{
return socket_ != -1;
}
void close()
{
if (is_connected())
{
::close(socket_);
socket_ = -1;
}
}
int fd() const
{
return socket_;
}
~tcp_client()
{
close();
}
// try to connect or throw on failure
void connect(const std::string &host, int port)
{
close();
struct addrinfo hints
{};
memset(&hints, 0, sizeof(struct addrinfo));
hints.ai_family = AF_UNSPEC; // To work with IPv4, IPv6, and so on
hints.ai_socktype = SOCK_STREAM; // TCP
hints.ai_flags = AI_NUMERICSERV; // port passed as as numeric value
hints.ai_protocol = 0;
auto port_str = std::to_string(port);
struct addrinfo *addrinfo_result;
auto rv = ::getaddrinfo(host.c_str(), port_str.c_str(), &hints, &addrinfo_result);
if (rv != 0)
{
throw_spdlog_ex(fmt_lib::format("::getaddrinfo failed: {}", gai_strerror(rv)));
}
// Try each address until we successfully connect(2).
int last_errno = 0;
for (auto *rp = addrinfo_result; rp != nullptr; rp = rp->ai_next)
{
#if defined(SOCK_CLOEXEC)
const int flags = SOCK_CLOEXEC;
#else
const int flags = 0;
#endif
socket_ = ::socket(rp->ai_family, rp->ai_socktype | flags, rp->ai_protocol);
if (socket_ == -1)
{
last_errno = errno;
continue;
}
rv = ::connect(socket_, rp->ai_addr, rp->ai_addrlen);
if (rv == 0)
{
break;
}
last_errno = errno;
::close(socket_);
socket_ = -1;
}
::freeaddrinfo(addrinfo_result);
if (socket_ == -1)
{
throw_spdlog_ex("::connect failed", last_errno);
}
// set TCP_NODELAY
int enable_flag = 1;
::setsockopt(socket_, IPPROTO_TCP, TCP_NODELAY, reinterpret_cast<char *>(&enable_flag), sizeof(enable_flag));
// prevent sigpipe on systems where MSG_NOSIGNAL is not available
#if defined(SO_NOSIGPIPE) && !defined(MSG_NOSIGNAL)
::setsockopt(socket_, SOL_SOCKET, SO_NOSIGPIPE, reinterpret_cast<char *>(&enable_flag), sizeof(enable_flag));
#endif
#if !defined(SO_NOSIGPIPE) && !defined(MSG_NOSIGNAL)
# error "tcp_sink would raise SIGPIPE since neither SO_NOSIGPIPE nor MSG_NOSIGNAL are available"
#endif
}
// Send exactly n_bytes of the given data.
// On error close the connection and throw.
void send(const char *data, size_t n_bytes)
{
size_t bytes_sent = 0;
while (bytes_sent < n_bytes)
{
#if defined(MSG_NOSIGNAL)
const int send_flags = MSG_NOSIGNAL;
#else
const int send_flags = 0;
#endif
auto write_result = ::send(socket_, data + bytes_sent, n_bytes - bytes_sent, send_flags);
if (write_result < 0)
{
close();
throw_spdlog_ex("write(2) failed", errno);
}
if (write_result == 0) // (probably should not happen but in any case..)
{
break;
}
bytes_sent += static_cast<size_t>(write_result);
}
}
};
} // namespace details
} // namespace spdlog

View File

@@ -0,0 +1,137 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
# include <spdlog/details/thread_pool.h>
#endif
#include <spdlog/common.h>
#include <cassert>
namespace spdlog {
namespace details {
SPDLOG_INLINE thread_pool::thread_pool(
size_t q_max_items, size_t threads_n, std::function<void()> on_thread_start, std::function<void()> on_thread_stop)
: q_(q_max_items)
{
if (threads_n == 0 || threads_n > 1000)
{
throw_spdlog_ex("spdlog::thread_pool(): invalid threads_n param (valid "
"range is 1-1000)");
}
for (size_t i = 0; i < threads_n; i++)
{
threads_.emplace_back([this, on_thread_start, on_thread_stop] {
on_thread_start();
this->thread_pool::worker_loop_();
on_thread_stop();
});
}
}
SPDLOG_INLINE thread_pool::thread_pool(size_t q_max_items, size_t threads_n, std::function<void()> on_thread_start)
: thread_pool(q_max_items, threads_n, on_thread_start, [] {})
{}
SPDLOG_INLINE thread_pool::thread_pool(size_t q_max_items, size_t threads_n)
: thread_pool(
q_max_items, threads_n, [] {}, [] {})
{}
// message all threads to terminate gracefully join them
SPDLOG_INLINE thread_pool::~thread_pool()
{
SPDLOG_TRY
{
for (size_t i = 0; i < threads_.size(); i++)
{
post_async_msg_(async_msg(async_msg_type::terminate), async_overflow_policy::block);
}
for (auto &t : threads_)
{
t.join();
}
}
SPDLOG_CATCH_STD
}
void SPDLOG_INLINE thread_pool::post_log(async_logger_ptr &&worker_ptr, const details::log_msg &msg, async_overflow_policy overflow_policy)
{
async_msg async_m(std::move(worker_ptr), async_msg_type::log, msg);
post_async_msg_(std::move(async_m), overflow_policy);
}
void SPDLOG_INLINE thread_pool::post_flush(async_logger_ptr &&worker_ptr, async_overflow_policy overflow_policy)
{
post_async_msg_(async_msg(std::move(worker_ptr), async_msg_type::flush), overflow_policy);
}
size_t SPDLOG_INLINE thread_pool::overrun_counter()
{
return q_.overrun_counter();
}
void SPDLOG_INLINE thread_pool::reset_overrun_counter()
{
q_.reset_overrun_counter();
}
size_t SPDLOG_INLINE thread_pool::queue_size()
{
return q_.size();
}
void SPDLOG_INLINE thread_pool::post_async_msg_(async_msg &&new_msg, async_overflow_policy overflow_policy)
{
if (overflow_policy == async_overflow_policy::block)
{
q_.enqueue(std::move(new_msg));
}
else
{
q_.enqueue_nowait(std::move(new_msg));
}
}
void SPDLOG_INLINE thread_pool::worker_loop_()
{
while (process_next_msg_()) {}
}
// process next message in the queue
// return true if this thread should still be active (while no terminate msg
// was received)
bool SPDLOG_INLINE thread_pool::process_next_msg_()
{
async_msg incoming_async_msg;
q_.dequeue(incoming_async_msg);
switch (incoming_async_msg.msg_type)
{
case async_msg_type::log: {
incoming_async_msg.worker_ptr->backend_sink_it_(incoming_async_msg);
return true;
}
case async_msg_type::flush: {
incoming_async_msg.worker_ptr->backend_flush_();
return true;
}
case async_msg_type::terminate: {
return false;
}
default: {
assert(false);
}
}
return true;
}
} // namespace details
} // namespace spdlog

View File

@@ -0,0 +1,122 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/details/log_msg_buffer.h>
#include <spdlog/details/mpmc_blocking_q.h>
#include <spdlog/details/os.h>
#include <chrono>
#include <memory>
#include <thread>
#include <vector>
#include <functional>
namespace spdlog {
class async_logger;
namespace details {
using async_logger_ptr = std::shared_ptr<spdlog::async_logger>;
enum class async_msg_type
{
log,
flush,
terminate
};
// Async msg to move to/from the queue
// Movable only. should never be copied
struct async_msg : log_msg_buffer
{
async_msg_type msg_type{async_msg_type::log};
async_logger_ptr worker_ptr;
async_msg() = default;
~async_msg() = default;
// should only be moved in or out of the queue..
async_msg(const async_msg &) = delete;
// support for vs2013 move
#if defined(_MSC_VER) && _MSC_VER <= 1800
async_msg(async_msg &&other)
: log_msg_buffer(std::move(other))
, msg_type(other.msg_type)
, worker_ptr(std::move(other.worker_ptr))
{}
async_msg &operator=(async_msg &&other)
{
*static_cast<log_msg_buffer *>(this) = std::move(other);
msg_type = other.msg_type;
worker_ptr = std::move(other.worker_ptr);
return *this;
}
#else // (_MSC_VER) && _MSC_VER <= 1800
async_msg(async_msg &&) = default;
async_msg &operator=(async_msg &&) = default;
#endif
// construct from log_msg with given type
async_msg(async_logger_ptr &&worker, async_msg_type the_type, const details::log_msg &m)
: log_msg_buffer{m}
, msg_type{the_type}
, worker_ptr{std::move(worker)}
{}
async_msg(async_logger_ptr &&worker, async_msg_type the_type)
: log_msg_buffer{}
, msg_type{the_type}
, worker_ptr{std::move(worker)}
{}
explicit async_msg(async_msg_type the_type)
: async_msg{nullptr, the_type}
{}
};
class SPDLOG_API thread_pool
{
public:
using item_type = async_msg;
using q_type = details::mpmc_blocking_queue<item_type>;
thread_pool(size_t q_max_items, size_t threads_n, std::function<void()> on_thread_start, std::function<void()> on_thread_stop);
thread_pool(size_t q_max_items, size_t threads_n, std::function<void()> on_thread_start);
thread_pool(size_t q_max_items, size_t threads_n);
// message all threads to terminate gracefully and join them
~thread_pool();
thread_pool(const thread_pool &) = delete;
thread_pool &operator=(thread_pool &&) = delete;
void post_log(async_logger_ptr &&worker_ptr, const details::log_msg &msg, async_overflow_policy overflow_policy);
void post_flush(async_logger_ptr &&worker_ptr, async_overflow_policy overflow_policy);
size_t overrun_counter();
void reset_overrun_counter();
size_t queue_size();
private:
q_type q_;
std::vector<std::thread> threads_;
void post_async_msg_(async_msg &&new_msg, async_overflow_policy overflow_policy);
void worker_loop_();
// process next message in the queue
// return true if this thread should still be active (while no terminate msg
// was received)
bool process_next_msg_();
};
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
# include "thread_pool-inl.h"
#endif

View File

@@ -0,0 +1,113 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
// Helper RAII over winsock udp client socket.
// Will throw on construction if socket creation failed.
#include <spdlog/common.h>
#include <spdlog/details/os.h>
#include <spdlog/details/windows_include.h>
#include <winsock2.h>
#include <ws2tcpip.h>
#include <stdlib.h>
#include <stdio.h>
#include <string>
#if defined(_MSC_VER)
# pragma comment(lib, "Ws2_32.lib")
# pragma comment(lib, "Mswsock.lib")
# pragma comment(lib, "AdvApi32.lib")
#endif
namespace spdlog {
namespace details {
class udp_client
{
static constexpr int TX_BUFFER_SIZE = 1024 * 10;
SOCKET socket_ = INVALID_SOCKET;
sockaddr_in addr_ = {};
static void init_winsock_()
{
WSADATA wsaData;
auto rv = ::WSAStartup(MAKEWORD(2, 2), &wsaData);
if (rv != 0)
{
throw_winsock_error_("WSAStartup failed", ::WSAGetLastError());
}
}
static void throw_winsock_error_(const std::string &msg, int last_error)
{
char buf[512];
::FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, last_error,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), buf, (sizeof(buf) / sizeof(char)), NULL);
throw_spdlog_ex(fmt_lib::format("udp_sink - {}: {}", msg, buf));
}
void cleanup_()
{
if (socket_ != INVALID_SOCKET)
{
::closesocket(socket_);
}
socket_ = INVALID_SOCKET;
::WSACleanup();
}
public:
udp_client(const std::string &host, uint16_t port)
{
init_winsock_();
addr_.sin_family = PF_INET;
addr_.sin_port = htons(port);
addr_.sin_addr.s_addr = INADDR_ANY;
if (InetPtonA(PF_INET, host.c_str(), &addr_.sin_addr.s_addr) != 1)
{
int last_error = ::WSAGetLastError();
::WSACleanup();
throw_winsock_error_("error: Invalid address!", last_error);
}
socket_ = ::socket(PF_INET, SOCK_DGRAM, 0);
if (socket_ == INVALID_SOCKET)
{
int last_error = ::WSAGetLastError();
::WSACleanup();
throw_winsock_error_("error: Create Socket failed", last_error);
}
int option_value = TX_BUFFER_SIZE;
if (::setsockopt(socket_, SOL_SOCKET, SO_SNDBUF, reinterpret_cast<const char *>(&option_value), sizeof(option_value)) < 0)
{
int last_error = ::WSAGetLastError();
cleanup_();
throw_winsock_error_("error: setsockopt(SO_SNDBUF) Failed!", last_error);
}
}
~udp_client()
{
cleanup_();
}
SOCKET fd() const
{
return socket_;
}
void send(const char *data, size_t n_bytes)
{
socklen_t tolen = sizeof(struct sockaddr);
if (::sendto(socket_, data, static_cast<int>(n_bytes), 0, (struct sockaddr *)&addr_, tolen) == -1)
{
throw_spdlog_ex("sendto(2) failed", errno);
}
}
};
} // namespace details
} // namespace spdlog

View File

@@ -0,0 +1,94 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
// Helper RAII over unix udp client socket.
// Will throw on construction if the socket creation failed.
#ifdef _WIN32
# error "include udp_client-windows.h instead"
#endif
#include <spdlog/common.h>
#include <spdlog/details/os.h>
#include <cstring>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <netdb.h>
#include <netinet/udp.h>
#include <string>
namespace spdlog {
namespace details {
class udp_client
{
static constexpr int TX_BUFFER_SIZE = 1024 * 10;
int socket_ = -1;
struct sockaddr_in sockAddr_;
void cleanup_()
{
if (socket_ != -1)
{
::close(socket_);
socket_ = -1;
}
}
public:
udp_client(const std::string &host, uint16_t port)
{
socket_ = ::socket(PF_INET, SOCK_DGRAM, 0);
if (socket_ < 0)
{
throw_spdlog_ex("error: Create Socket Failed!");
}
int option_value = TX_BUFFER_SIZE;
if (::setsockopt(socket_, SOL_SOCKET, SO_SNDBUF, reinterpret_cast<const char *>(&option_value), sizeof(option_value)) < 0)
{
cleanup_();
throw_spdlog_ex("error: setsockopt(SO_SNDBUF) Failed!");
}
sockAddr_.sin_family = AF_INET;
sockAddr_.sin_port = htons(port);
if (::inet_aton(host.c_str(), &sockAddr_.sin_addr) == 0)
{
cleanup_();
throw_spdlog_ex("error: Invalid address!");
}
::memset(sockAddr_.sin_zero, 0x00, sizeof(sockAddr_.sin_zero));
}
~udp_client()
{
cleanup_();
}
int fd() const
{
return socket_;
}
// Send exactly n_bytes of the given data.
// On error close the connection and throw.
void send(const char *data, size_t n_bytes)
{
ssize_t toslen = 0;
socklen_t tolen = sizeof(struct sockaddr);
if ((toslen = ::sendto(socket_, data, n_bytes, 0, (struct sockaddr *)&sockAddr_, tolen)) == -1)
{
throw_spdlog_ex("sendto(2) failed", errno);
}
}
};
} // namespace details
} // namespace spdlog

View File

@@ -0,0 +1,11 @@
#pragma once
#ifndef NOMINMAX
# define NOMINMAX // prevent windows redefining min/max
#endif
#ifndef WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>