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Added async_nonblocking factory

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This commit is contained in:
gabime
2018-07-20 23:20:48 +03:00
parent ddb3002bc1
commit 9cbdd5ffd4
3 changed files with 24 additions and 10 deletions
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17
include/spdlog/async.h
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@@ -21,9 +21,11 @@
#include <memory> #include <memory>
namespace spdlog { namespace spdlog {
// async logger factory - creates async loggers backed with thread pool. // async logger factory - creates async loggers backed with thread pool.
// if a global thread pool doesn't already exist, create it with default queue size of 8192 items and single thread. // if a global thread pool doesn't already exist, create it with default queue size of 8192 items and single thread.
struct async_factory template<async_overflow_policy OverflowPolicy = async_overflow_policy::block>
struct async_factory_impl
{ {
template<typename Sink, typename... SinkArgs> template<typename Sink, typename... SinkArgs>
static std::shared_ptr<async_logger> create(const std::string &logger_name, SinkArgs &&... args) static std::shared_ptr<async_logger> create(const std::string &logger_name, SinkArgs &&... args)
@@ -39,18 +41,29 @@ struct async_factory
} }
auto sink = std::make_shared<Sink>(std::forward<SinkArgs>(args)...); auto sink = std::make_shared<Sink>(std::forward<SinkArgs>(args)...);
auto new_logger = std::make_shared<async_logger>(logger_name, std::move(sink), std::move(tp), async_overflow_policy::block); auto new_logger = std::make_shared<async_logger>(logger_name, std::move(sink), std::move(tp), OverflowPolicy);
registry::instance().register_and_init(new_logger); registry::instance().register_and_init(new_logger);
return new_logger; return new_logger;
} }
}; };
using async_factory = async_factory_impl<async_overflow_policy::block>;
using async_factory_nonblock = async_factory_impl < async_overflow_policy::overrun_oldest>;
template<typename Sink, typename... SinkArgs> template<typename Sink, typename... SinkArgs>
inline std::shared_ptr<spdlog::logger> create_async(const std::string &logger_name, SinkArgs &&... sink_args) inline std::shared_ptr<spdlog::logger> create_async(const std::string &logger_name, SinkArgs &&... sink_args)
{ {
return async_factory::create<Sink>(logger_name, std::forward<SinkArgs>(sink_args)...); return async_factory::create<Sink>(logger_name, std::forward<SinkArgs>(sink_args)...);
} }
template<typename Sink, typename... SinkArgs>
inline std::shared_ptr<spdlog::logger> create_async_nb(const std::string &logger_name, SinkArgs &&... sink_args)
{
return async_factory<spdlog::async_overflow_policy::overrun_oldest>::create<Sink>(logger_name, std::forward<SinkArgs>(sink_args)...);
}
// set global thread pool. // set global thread pool.
inline void init_thread_pool(size_t q_size, size_t thread_count) inline void init_thread_pool(size_t q_size, size_t thread_count)
{ {

8
include/spdlog/async_logger.h
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@@ -23,6 +23,14 @@
#include <string> #include <string>
namespace spdlog { namespace spdlog {
// Async overflow policy - block by default.
enum class async_overflow_policy
{
block, // Block until message can be enqueued
overrun_oldest // Discard oldest message in the queue if full when trying to add new item.
};
namespace details { namespace details {
class thread_pool; class thread_pool;
} }

9
include/spdlog/common.h
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@@ -121,14 +121,7 @@ inline spdlog::level::level_enum from_str(const std::string &name)
using level_hasher = std::hash<int>; using level_hasher = std::hash<int>;
} // namespace level } // namespace level
//
// Async overflow policy - block by default.
//
enum class async_overflow_policy
{
block, // Block until message can be enqueued
overrun_oldest // Discard oldest message in the queue if full when trying to add new item.
};
// //
// Pattern time - specific time getting to use for pattern_formatter. // Pattern time - specific time getting to use for pattern_formatter.