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check if logger already exists in the registry before creating it

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This commit is contained in:
gabime 2016-03-22 18:32:38 +02:00
parent becef922c2
commit 2f8e22d828
1 changed files with 15 additions and 16 deletions
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27
include/spdlog/details/registry.h
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@ -33,7 +33,9 @@ public:
void register_logger(std::shared_ptr<logger> logger) void register_logger(std::shared_ptr<logger> logger)
{ {
std::lock_guard<Mutex> lock(_mutex); std::lock_guard<Mutex> lock(_mutex);
register_logger_impl(logger); auto logger_name = logger->name();
throw_if_exists(logger_name);
_loggers[logger_name] = logger;
} }
@ -47,12 +49,9 @@ public:
template<class It> template<class It>
std::shared_ptr<logger> create(const std::string& logger_name, const It& sinks_begin, const It& sinks_end) std::shared_ptr<logger> create(const std::string& logger_name, const It& sinks_begin, const It& sinks_end)
{ {
std::shared_ptr<logger> new_logger;
std::lock_guard<Mutex> lock(_mutex); std::lock_guard<Mutex> lock(_mutex);
throw_if_exists(logger_name);
std::shared_ptr<logger> new_logger;
if (_async_mode) if (_async_mode)
new_logger = std::make_shared<async_logger>(logger_name, sinks_begin, sinks_end, _async_q_size, _overflow_policy, _worker_warmup_cb, _flush_interval_ms); new_logger = std::make_shared<async_logger>(logger_name, sinks_begin, sinks_end, _async_q_size, _overflow_policy, _worker_warmup_cb, _flush_interval_ms);
else else
@ -62,7 +61,8 @@ public:
new_logger->set_formatter(_formatter); new_logger->set_formatter(_formatter);
new_logger->set_level(_level); new_logger->set_level(_level);
register_logger_impl(new_logger); //Add to registry
_loggers[logger_name] = new_logger;
return new_logger; return new_logger;
} }
@ -135,16 +135,15 @@ public:
} }
private: private:
void register_logger_impl(std::shared_ptr<logger> logger)
{
auto logger_name = logger->name();
if (_loggers.find(logger_name) != std::end(_loggers))
throw spdlog_ex("logger with name " + logger_name + " already exists");
_loggers[logger->name()] = logger;
}
registry_t<Mutex>() {} registry_t<Mutex>() {}
registry_t<Mutex>(const registry_t<Mutex>&) = delete; registry_t<Mutex>(const registry_t<Mutex>&) = delete;
registry_t<Mutex>& operator=(const registry_t<Mutex>&) = delete; registry_t<Mutex>& operator=(const registry_t<Mutex>&) = delete;
void 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");
}
Mutex _mutex; Mutex _mutex;
std::unordered_map <std::string, std::shared_ptr<logger>> _loggers; std::unordered_map <std::string, std::shared_ptr<logger>> _loggers;
formatter_ptr _formatter; formatter_ptr _formatter;