46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
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// Distributed under the MIT License (http://opensource.org/licenses/MIT)
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#pragma once
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#include "spdlog/details/log_msg_buffer.h"
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#include "spdlog/details/circular_q.h"
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#include <atomic>
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#include <mutex>
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#include <functional>
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// Store log messages in circular buffer.
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// Useful for storing debug data in case of error/warning happens.
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namespace spdlog {
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namespace details {
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class backtracer
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{
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mutable std::mutex mutex_;
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std::atomic<bool> enabled_{false};
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circular_q<log_msg_buffer> messages_;
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public:
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backtracer() = default;
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backtracer(const backtracer &other);
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backtracer(backtracer &&other) SPDLOG_NOEXCEPT;
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backtracer &operator=(backtracer other);
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void enable(size_t size);
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void disable();
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bool enabled() const;
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explicit operator bool() const;
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void push_back(const log_msg &msg);
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// pop all items in the q and apply the given fun on each of them.
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void foreach_pop(std::function<void(const details::log_msg &)> fun);
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};
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} // namespace details
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} // namespace spdlog
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#ifdef SPDLOG_HEADER_ONLY
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#include "backtracer-inl.h"
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#endif |