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some effic++ warnings fixes

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gabime 2014-02-09 01:56:21 +02:00
parent d60e971dec
commit be78e51f8c
6 changed files with 214 additions and 210 deletions
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165
include/c11log/details/blocking_queue.h
View File

@ -10,104 +10,105 @@
#include <mutex>
#include <condition_variable>
namespace c11log {
namespace c11log
{
namespace details
{
template<typename T>
class blocking_queue {
class blocking_queue
{
public:
using queue_t = std::queue<T>;
using size_type = typename queue_t::size_type;
using clock = std::chrono::system_clock;
using queue_t = std::queue<T>;
using size_type = typename queue_t::size_type;
using clock = std::chrono::system_clock;
explicit blocking_queue(size_type max_size) :max_size_(max_size), q_()
{}
blocking_queue(const blocking_queue&) = delete;
blocking_queue& operator=(const blocking_queue&) = delete;
~blocking_queue() = default;
explicit blocking_queue(size_type max_size) :
max_size_(max_size),
q_(),
mutex_()
{}
blocking_queue(const blocking_queue&) = delete;
blocking_queue& operator=(const blocking_queue&) = delete;
~blocking_queue() = default;
size_type size()
{
std::lock_guard<std::mutex> lock(mutex_);
return q_.size();
}
size_type size() {
std::lock_guard<std::mutex> lock(mutex_);
return q_.size();
}
// Push copy of item into the back of the queue.
// If the queue is full, block the calling thread util there is room or timeout have passed.
// Return: false on timeout, true on successful push.
template<typename Duration_Rep, typename Duration_Period, typename TT>
bool push(TT&& item, const std::chrono::duration<Duration_Rep, Duration_Period>& timeout)
{
std::unique_lock<std::mutex> ul(mutex_);
if (q_.size() >= max_size_)
{
if (!item_popped_cond_.wait_until(ul, clock::now() + timeout, [this]() { return this->q_.size() < this->max_size_; }))
return false;
}
q_.push(std::forward<TT>(item));
if (q_.size() <= 1)
{
ul.unlock(); //So the notified thread will have better chance to accuire the lock immediatly..
item_pushed_cond_.notify_one();
}
return true;
}
// Push copy of item into the back of the queue.
// If the queue is full, block the calling thread util there is room or timeout have passed.
// Return: false on timeout, true on successful push.
template<typename Duration_Rep, typename Duration_Period, typename TT>
bool push(TT&& item, const std::chrono::duration<Duration_Rep, Duration_Period>& timeout) {
std::unique_lock<std::mutex> ul(mutex_);
if (q_.size() >= max_size_) {
if (!item_popped_cond_.wait_until(ul, clock::now() + timeout, [this]() {
return this->q_.size() < this->max_size_;
}))
return false;
}
q_.push(std::forward<TT>(item));
if (q_.size() <= 1) {
ul.unlock(); //So the notified thread will have better chance to accuire the lock immediatly..
item_pushed_cond_.notify_one();
}
return true;
}
// Push copy of item into the back of the queue.
// If the queue is full, block the calling thread until there is room.
template<typename TT>
void push(TT&& item)
{
while (!push(std::forward<TT>(item), one_hour));
}
// Push copy of item into the back of the queue.
// If the queue is full, block the calling thread until there is room.
template<typename TT>
void push(TT&& item) {
while (!push(std::forward<TT>(item), one_hour));
}
// Pop a copy of the front item in the queue into the given item ref.
// If the queue is empty, block the calling thread util there is item to pop or timeout have passed.
// Return: false on timeout , true on successful pop/
template<class Duration_Rep, class Duration_Period>
bool pop(T& item, const std::chrono::duration<Duration_Rep, Duration_Period>& timeout)
{
std::unique_lock<std::mutex> ul(mutex_);
if (q_.empty())
{
if (!item_pushed_cond_.wait_until(ul, clock::now() + timeout, [this]() { return !this->q_.empty(); }))
return false;
}
item = std::move(q_.front());
q_.pop();
if (q_.size() >= max_size_ - 1)
{
ul.unlock(); //So the notified thread will have better chance to accuire the lock immediatly..
item_popped_cond_.notify_one();
}
return true;
}
// Pop a copy of the front item in the queue into the given item ref.
// If the queue is empty, block the calling thread util there is item to pop or timeout have passed.
// Return: false on timeout , true on successful pop/
template<class Duration_Rep, class Duration_Period>
bool pop(T& item, const std::chrono::duration<Duration_Rep, Duration_Period>& timeout) {
std::unique_lock<std::mutex> ul(mutex_);
if (q_.empty()) {
if (!item_pushed_cond_.wait_until(ul, clock::now() + timeout, [this]() {
return !this->q_.empty();
}))
return false;
}
item = std::move(q_.front());
q_.pop();
if (q_.size() >= max_size_ - 1) {
ul.unlock(); //So the notified thread will have better chance to accuire the lock immediatly..
item_popped_cond_.notify_one();
}
return true;
}
// Pop a copy of the front item in the queue into the given item ref.
// If the queue is empty, block the calling thread util there is item to pop.
void pop(T& item)
{
while (!pop(item, one_hour));
}
// Pop a copy of the front item in the queue into the given item ref.
// If the queue is empty, block the calling thread util there is item to pop.
void pop(T& item) {
while (!pop(item, one_hour));
}
// Clear the queue
void clear()
{
{
// Clear the queue
void clear() {
{
std::unique_lock<std::mutex> ul(mutex_);
queue_t().swap(q_);
}
item_popped_cond_.notify_all();
}
item_popped_cond_.notify_all();
}
private:
size_type max_size_;
std::queue<T> q_;
std::mutex mutex_;
std::condition_variable item_pushed_cond_;
std::condition_variable item_popped_cond_;
const std::chrono::hours one_hour{1};
size_type max_size_;
std::queue<T> q_;
std::mutex mutex_;
std::condition_variable item_pushed_cond_;
std::condition_variable item_popped_cond_;
const std::chrono::hours one_hour {
1
};
};
}

2
include/c11log/details/fast_oss.h
View File

@ -53,7 +53,7 @@ public:
fast_oss():std::ostream(&_dev) {}
~fast_oss() = default;
fast_oss(const fast_oss& other):std::basic_ios<char>(), std::ostream(),_dev(other._dev) {}
fast_oss operator=(const fast_oss& other)
fast_oss& operator=(const fast_oss& other)
{
if(&other != this)
_dev = other._dev;

7
include/c11log/details/line_logger.h
View File

@ -13,7 +13,10 @@ namespace details
class line_logger
{
public:
line_logger(logger* callback_logger, level::level_enum msg_level) {
line_logger(logger* callback_logger, level::level_enum msg_level):
_callback_logger(callback_logger),
_oss(),
_level(msg_level) {
callback_logger->formatter_->format_header(callback_logger->logger_name_,
msg_level,
c11log::formatters::clock::now(),
@ -24,7 +27,9 @@ public:
_callback_logger(other._callback_logger),
_oss(other._oss),
_level(other._level) {};
line_logger& operator=(const line_logger&) = delete;
~line_logger() {
if (_callback_logger) {
_oss << '\n';

12
include/c11log/logger.h
View File

@ -26,10 +26,13 @@ public:
typedef std::shared_ptr<sinks::base_sink> sink_ptr_t;
typedef std::vector<sink_ptr_t> sinks_vector_t;
explicit logger(const std::string& name) : logger_name_(name),
formatter_(std::make_unique<formatters::default_formatter>()) {
atomic_level_.store(level::INFO);
}
explicit logger(const std::string& name) :
logger_name_(name),
formatter_(std::make_unique<formatters::default_formatter>()),
sinks_(),
mutex_(),
atomic_level_(level::INFO)
{}
~logger() = default;
@ -55,7 +58,6 @@ public:
private:
friend details::line_logger;
std::string logger_name_ = "";
std::unique_ptr<c11log::formatters::formatter> formatter_;
sinks_vector_t sinks_;

6
include/c11log/sinks/async_sink.h
View File

@ -31,7 +31,7 @@ protected:
private:
c11log::logger::sinks_vector_t sinks_;
std::atomic<bool> active_ { true };
std::atomic<bool> active_;
c11log::details::blocking_queue<std::string> q_;
std::thread back_thread_;
//Clear all remaining messages(if any), stop the back_thread_ and join it
@ -45,7 +45,9 @@ private:
///////////////////////////////////////////////////////////////////////////////
inline c11log::sinks::async_sink::async_sink(const std::size_t max_queue_size)
:q_(max_queue_size),
:sinks_(),
active_(true),
q_(max_queue_size),
back_thread_(&async_sink::thread_loop_, this)
{}

232
include/c11log/sinks/file_sinks.h
View File

@ -6,29 +6,29 @@
#include "base_sink.h"
namespace c11log {
namespace sinks {
namespace c11log
{
namespace sinks
{
/*
* Trivial file sink with single file as target
*/
class simple_file_sink : public base_sink {
class simple_file_sink : public base_sink
{
public:
simple_file_sink(const std::string &filename, const std::string& extension = "txt")
{
std::ostringstream oss;
oss << filename << "." << extension;
_ofstream.open(oss.str(), std::ofstream::app);
}
explicit simple_file_sink(const std::string &filename, const std::string& extension = "txt")
: mutex_(),
_ofstream(filename + "." + extension, std::ofstream::app)
{}
protected:
void sink_it_(const std::string& msg) override
{
std::lock_guard<std::mutex> lock(mutex_);
_ofstream << msg;
_ofstream.flush();
}
void sink_it_(const std::string& msg) override {
std::lock_guard<std::mutex> lock(mutex_);
_ofstream << msg;
_ofstream.flush();
}
private:
std::mutex mutex_;
std::ofstream _ofstream;
std::mutex mutex_;
std::ofstream _ofstream;
};
@ -36,130 +36,124 @@ private:
/*
* Thread safe, size limited file sink
*/
class rotating_file_sink : public base_sink {
class rotating_file_sink : public base_sink
{
public:
rotating_file_sink(const std::string &base_filename, const std::string &extension, size_t max_size, size_t max_files):
_base_filename(base_filename),
_extension(extension),
_max_size(max_size),
_max_files(max_files),
_current_size(0),
_index(0)
{
_ofstream.open(_calc_filename(_base_filename, 0, _extension));
}
rotating_file_sink(const std::string &base_filename, const std::string &extension, size_t max_size, size_t max_files):
_base_filename(base_filename),
_extension(extension),
_max_size(max_size),
_max_files(max_files),
_current_size(0),
_index(0),
mutex_(),
_ofstream(_calc_filename(_base_filename, 0, _extension))
{}
protected:
void sink_it_(const std::string& msg) override
{
std::lock_guard<std::mutex> lock(mutex_);
_current_size += msg.length();
if (_current_size > _max_size)
{
_rotate();
_current_size = msg.length();
}
_ofstream << msg;
_ofstream.flush();
}
void sink_it_(const std::string& msg) override {
std::lock_guard<std::mutex> lock(mutex_);
_current_size += msg.length();
if (_current_size > _max_size) {
_rotate();
_current_size = msg.length();
}
_ofstream << msg;
_ofstream.flush();
}
private:
static std::string _calc_filename(const std::string& filename, std::size_t index, const std::string& extension)
{
std::ostringstream oss;
if (index)
oss << filename << "." << index << "." << extension;
else
oss << filename << "." << extension;
return oss.str();
}
static std::string _calc_filename(const std::string& filename, std::size_t index, const std::string& extension) {
std::ostringstream oss;
if (index)
oss << filename << "." << index << "." << extension;
else
oss << filename << "." << extension;
return oss.str();
}
// Rotate old files:
// log.n-1.txt -> log.n.txt
// log n-2.txt -> log.n-1.txt
// ...
// log.txt -> log.1.txt
void _rotate()
{
_ofstream.close();
//Remove oldest file
for (auto i = _max_files; i > 0; --i) {
auto src = _calc_filename(_base_filename, i - 1, _extension);
auto target = _calc_filename(_base_filename, i, _extension);
if (i == _max_files)
std::remove(target.c_str());
std::rename(src.c_str(), target.c_str());
}
_ofstream.open(_calc_filename(_base_filename, 0, _extension));
}
// Rotate old files:
// log.n-1.txt -> log.n.txt
// log n-2.txt -> log.n-1.txt
// ...
// log.txt -> log.1.txt
void _rotate() {
_ofstream.close();
//Remove oldest file
for (auto i = _max_files; i > 0; --i) {
auto src = _calc_filename(_base_filename, i - 1, _extension);
auto target = _calc_filename(_base_filename, i, _extension);
if (i == _max_files)
std::remove(target.c_str());
std::rename(src.c_str(), target.c_str());
}
_ofstream.open(_calc_filename(_base_filename, 0, _extension));
}
std::string _base_filename;
std::string _extension;
std::size_t _max_size;
std::size_t _max_files;
std::size_t _current_size;
std::size_t _index;
std::ofstream _ofstream;
std::mutex mutex_;
std::string _base_filename;
std::string _extension;
std::size_t _max_size;
std::size_t _max_files;
std::size_t _current_size;
std::size_t _index;
std::mutex mutex_;
std::ofstream _ofstream;
};
/*
* Thread safe file sink that closes the log file at midnight and opens new one
*/
class daily_file_sink:public base_sink {
class daily_file_sink:public base_sink
{
public:
daily_file_sink(const std::string& base_filename, const std::string& extension = "txt"):
_base_filename(base_filename),
_extension(extension),
_midnight_tp { _calc_midnight_tp() }
{
_ofstream.open(_calc_filename(_base_filename, _extension), std::ofstream::app);
}
explicit daily_file_sink(const std::string& base_filename, const std::string& extension = "txt"):
_base_filename(base_filename),
_extension(extension),
_midnight_tp (_calc_midnight_tp() ),
mutex_(),
_ofstream(_calc_filename(_base_filename, _extension), std::ofstream::app)
{}
protected:
void sink_it_(const std::string& msg) override
{
std::lock_guard<std::mutex> lock(mutex_);
if (std::chrono::system_clock::now() >= _midnight_tp)
{
_ofstream.close();
_ofstream.open(_calc_filename(_base_filename, _extension));
_midnight_tp = _calc_midnight_tp();
}
_ofstream << msg;
_ofstream.flush();
}
void sink_it_(const std::string& msg) override {
std::lock_guard<std::mutex> lock(mutex_);
if (std::chrono::system_clock::now() >= _midnight_tp) {
_ofstream.close();
_ofstream.open(_calc_filename(_base_filename, _extension));
_midnight_tp = _calc_midnight_tp();
}
_ofstream << msg;
_ofstream.flush();
}
private:
// Return next midnight's time_point
static std::chrono::system_clock::time_point _calc_midnight_tp()
{
using namespace std::chrono;
auto now = system_clock::now();
time_t tnow = std::chrono::system_clock::to_time_t(now);
tm date = c11log::details::os::localtime(tnow);
date.tm_hour = date.tm_min = date.tm_sec = 0;
auto midnight = std::chrono::system_clock::from_time_t(std::mktime(&date));
return system_clock::time_point(midnight + hours(24));
}
// Return next midnight's time_point
static std::chrono::system_clock::time_point _calc_midnight_tp() {
using namespace std::chrono;
auto now = system_clock::now();
time_t tnow = std::chrono::system_clock::to_time_t(now);
tm date = c11log::details::os::localtime(tnow);
date.tm_hour = date.tm_min = date.tm_sec = 0;
auto midnight = std::chrono::system_clock::from_time_t(std::mktime(&date));
return system_clock::time_point(midnight + hours(24));
}
static std::string _calc_filename(const std::string& basename, const std::string& extension)
{
std::tm tm = c11log::details::os::localtime();
char buf[32];
sprintf(buf, ".%d-%02d-%02d.", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday);
return basename+buf+extension;
}
static std::string _calc_filename(const std::string& basename, const std::string& extension) {
std::tm tm = c11log::details::os::localtime();
char buf[32];
sprintf(buf, ".%d-%02d-%02d.", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday);
return basename+buf+extension;
}
std::string _base_filename;
std::string _extension;
std::chrono::system_clock::time_point _midnight_tp;
std::mutex mutex_;
std::ofstream _ofstream;
std::string _base_filename;
std::string _extension;
std::chrono::system_clock::time_point _midnight_tp;
std::ofstream _ofstream;
std::mutex mutex_;
};
}
}