2016-04-20 04:57:49 -04:00
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//
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// Copyright(c) 2015 Gabi Melman.
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// Distributed under the MIT License (http://opensource.org/licenses/MIT)
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//
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#pragma once
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// Loggers registy of unique name->logger pointer
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// An attempt to create a logger with an already existing name will be ignored
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// If user requests a non existing logger, nullptr will be returned
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// This class is thread safe
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2018-04-28 18:43:42 -04:00
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#include "spdlog/common.h"
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#include "spdlog/details/periodic_worker.h"
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#include "spdlog/logger.h"
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#include <chrono>
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#include <functional>
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#include <memory>
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#include <string>
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#include <unordered_map>
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namespace spdlog {
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namespace details {
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class thread_pool;
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template<typename Mutex>
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class registry_t
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{
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public:
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using MutexT = Mutex;
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registry_t<Mutex>(const registry_t<Mutex> &) = delete;
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registry_t<Mutex> &operator=(const registry_t<Mutex> &) = delete;
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2018-04-13 20:34:57 -04:00
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void register_logger(std::shared_ptr<logger> new_logger)
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{
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std::lock_guard<Mutex> lock(loggers_mutex_);
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auto logger_name = new_logger->name();
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throw_if_exists_(logger_name);
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loggers_[logger_name] = new_logger;
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}
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void register_and_init(std::shared_ptr<logger> new_logger)
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{
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std::lock_guard<Mutex> lock(loggers_mutex_);
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auto logger_name = new_logger->name();
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throw_if_exists_(logger_name);
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// set the global formatter pattern
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new_logger->set_formatter(formatter_->clone());
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if (err_handler_)
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{
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new_logger->set_error_handler(err_handler_);
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}
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new_logger->set_level(level_);
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new_logger->flush_on(flush_level_);
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// Add to registry
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loggers_[logger_name] = new_logger;
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}
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std::shared_ptr<logger> get(const std::string &logger_name)
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{
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std::lock_guard<Mutex> lock(loggers_mutex_);
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auto found = loggers_.find(logger_name);
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return found == loggers_.end() ? nullptr : found->second;
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}
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void set_thread_pool(std::shared_ptr<thread_pool> tp)
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{
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std::lock_guard<decltype(tp_mutex_)> lock(tp_mutex_);
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tp_ = std::move(tp);
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}
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std::shared_ptr<thread_pool> get_thread_pool()
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{
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std::lock_guard<decltype(tp_mutex_)> lock(tp_mutex_);
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return tp_;
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}
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// Set global formatter. Each sink in each logger will get a clone of this object
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void set_formatter(std::unique_ptr<formatter> formatter)
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{
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std::lock_guard<Mutex> lock(loggers_mutex_);
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formatter_ = std::move(formatter);
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for (auto &l : loggers_)
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{
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l.second->set_formatter(formatter_->clone());
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}
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}
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void set_level(level::level_enum log_level)
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{
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std::lock_guard<Mutex> lock(loggers_mutex_);
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for (auto &l : loggers_)
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{
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l.second->set_level(log_level);
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}
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level_ = log_level;
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}
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2018-01-03 10:19:56 -05:00
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void flush_on(level::level_enum log_level)
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{
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std::lock_guard<Mutex> lock(loggers_mutex_);
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for (auto &l : loggers_)
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{
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l.second->flush_on(log_level);
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}
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flush_level_ = log_level;
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}
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void flush_every(std::chrono::seconds interval)
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{
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std::lock_guard<Mutex> lock(loggers_mutex_);
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std::function<void()> clbk(std::bind(®istry_t::flush_all, this));
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periodic_flusher_.reset(new periodic_worker(clbk, interval));
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}
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2016-08-04 21:43:20 -04:00
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void set_error_handler(log_err_handler handler)
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{
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for (auto &l : loggers_)
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{
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l.second->set_error_handler(handler);
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}
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err_handler_ = handler;
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}
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void apply_all(std::function<void(std::shared_ptr<logger>)> fun)
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{
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std::lock_guard<Mutex> lock(loggers_mutex_);
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for (auto &l : loggers_)
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{
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fun(l.second);
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}
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}
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void drop(const std::string &logger_name)
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{
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std::lock_guard<Mutex> lock(loggers_mutex_);
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loggers_.erase(logger_name);
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}
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void drop_all()
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{
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{
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std::lock_guard<Mutex> lock(loggers_mutex_);
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loggers_.clear();
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}
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{
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std::lock_guard<decltype(tp_mutex_)> lock(tp_mutex_);
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tp_.reset();
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}
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}
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std::recursive_mutex &tp_mutex()
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{
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return tp_mutex_;
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}
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2018-03-09 08:26:33 -05:00
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static registry_t<Mutex> &instance()
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{
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static registry_t<Mutex> s_instance;
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return s_instance;
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}
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private:
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registry_t<Mutex>()
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: formatter_(new pattern_formatter("%+"))
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{
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}
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~registry_t<Mutex>()
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{
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periodic_flusher_.reset();
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}
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2018-07-07 07:04:31 -04:00
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void throw_if_exists_(const std::string &logger_name)
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{
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if (loggers_.find(logger_name) != loggers_.end())
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{
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throw spdlog_ex("logger with name '" + logger_name + "' already exists");
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}
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}
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2018-07-21 16:30:26 -04:00
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void flush_all()
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{
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std::lock_guard<Mutex> lock(loggers_mutex_);
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for (auto &l : loggers_)
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{
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l.second->flush();
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}
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}
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Mutex loggers_mutex_;
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std::recursive_mutex tp_mutex_;
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std::unordered_map<std::string, std::shared_ptr<logger>> loggers_;
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// std::unique_ptr<formatter> formatter_{ new pattern_formatter("%+") };
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std::unique_ptr<formatter> formatter_;
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level::level_enum level_ = level::info;
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level::level_enum flush_level_ = level::off;
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log_err_handler err_handler_;
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std::shared_ptr<thread_pool> tp_;
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std::unique_ptr<periodic_worker> periodic_flusher_;
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};
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2016-04-20 04:57:49 -04:00
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#ifdef SPDLOG_NO_REGISTRY_MUTEX
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#include "spdlog/details/null_mutex.h"
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using registry = registry_t<spdlog::details::null_mutex>;
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#else
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#include <mutex>
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using registry = registry_t<std::mutex>;
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#endif
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2018-03-17 06:47:46 -04:00
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} // namespace details
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} // namespace spdlog
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