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author | BobTheBob <32057864+BobTheBob9@users.noreply.github.com> | 2021-07-17 22:33:00 +0100 |
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committer | BobTheBob <32057864+BobTheBob9@users.noreply.github.com> | 2021-07-17 22:33:00 +0100 |
commit | ca5db71e8215a6c5660fe03088a6d7349f55f817 (patch) | |
tree | 534b79d2599475b1da3edb4f232223d9e32d3174 /NorthstarDedicatedTest/include/spdlog/async.h | |
parent | 51d3d4a40c8579e29571bc80d35bbb62fa50661b (diff) | |
download | NorthstarLauncher-ca5db71e8215a6c5660fe03088a6d7349f55f817.tar.gz NorthstarLauncher-ca5db71e8215a6c5660fe03088a6d7349f55f817.zip |
add support for custom convars and concommands
Diffstat (limited to 'NorthstarDedicatedTest/include/spdlog/async.h')
-rw-r--r-- | NorthstarDedicatedTest/include/spdlog/async.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/NorthstarDedicatedTest/include/spdlog/async.h b/NorthstarDedicatedTest/include/spdlog/async.h new file mode 100644 index 00000000..f7956305 --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/async.h @@ -0,0 +1,93 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +// +// Async logging using global thread pool +// All loggers created here share same global thread pool. +// Each log message is pushed to a queue along with a shared pointer to the +// logger. +// If a logger deleted while having pending messages in the queue, it's actual +// destruction will defer +// until all its messages are processed by the thread pool. +// This is because each message in the queue holds a shared_ptr to the +// originating logger. + +#include <spdlog/async_logger.h> +#include <spdlog/details/registry.h> +#include <spdlog/details/thread_pool.h> + +#include <memory> +#include <mutex> +#include <functional> + +namespace spdlog { + +namespace details { +static const size_t default_async_q_size = 8192; +} + +// 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. +template<async_overflow_policy OverflowPolicy = async_overflow_policy::block> +struct async_factory_impl +{ + template<typename Sink, typename... SinkArgs> + static std::shared_ptr<async_logger> create(std::string logger_name, SinkArgs &&...args) + { + auto ®istry_inst = details::registry::instance(); + + // create global thread pool if not already exists.. + + auto &mutex = registry_inst.tp_mutex(); + std::lock_guard<std::recursive_mutex> tp_lock(mutex); + auto tp = registry_inst.get_tp(); + if (tp == nullptr) + { + tp = std::make_shared<details::thread_pool>(details::default_async_q_size, 1); + registry_inst.set_tp(tp); + } + + auto sink = std::make_shared<Sink>(std::forward<SinkArgs>(args)...); + auto new_logger = std::make_shared<async_logger>(std::move(logger_name), std::move(sink), std::move(tp), OverflowPolicy); + registry_inst.initialize_logger(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> +inline std::shared_ptr<spdlog::logger> create_async(std::string logger_name, SinkArgs &&...sink_args) +{ + return async_factory::create<Sink>(std::move(logger_name), std::forward<SinkArgs>(sink_args)...); +} + +template<typename Sink, typename... SinkArgs> +inline std::shared_ptr<spdlog::logger> create_async_nb(std::string logger_name, SinkArgs &&...sink_args) +{ + return async_factory_nonblock::create<Sink>(std::move(logger_name), std::forward<SinkArgs>(sink_args)...); +} + +// set global thread pool. +inline void init_thread_pool(size_t q_size, size_t thread_count, std::function<void()> on_thread_start) +{ + auto tp = std::make_shared<details::thread_pool>(q_size, thread_count, on_thread_start); + details::registry::instance().set_tp(std::move(tp)); +} + +// set global thread pool. +inline void init_thread_pool(size_t q_size, size_t thread_count) +{ + init_thread_pool(q_size, thread_count, [] {}); +} + +// get the global thread pool. +inline std::shared_ptr<spdlog::details::thread_pool> thread_pool() +{ + return details::registry::instance().get_tp(); +} +} // namespace spdlog |