1// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
2// Distributed under the MIT License (http://opensource.org/licenses/MIT)
3
4#pragma once
5
6#ifndef SPDLOG_HEADER_ONLY
7# include <spdlog/details/backtracer.h>
8#endif
9namespace spdlog {
10namespace details {
11SPDLOG_INLINE backtracer::backtracer(const backtracer &other)
12{
13 std::lock_guard<std::mutex> lock(other.mutex_);
14 enabled_ = other.enabled();
15 messages_ = other.messages_;
16}
17
18SPDLOG_INLINE backtracer::backtracer(backtracer &&other) SPDLOG_NOEXCEPT
19{
20 std::lock_guard<std::mutex> lock(other.mutex_);
21 enabled_ = other.enabled();
22 messages_ = std::move(other.messages_);
23}
24
25SPDLOG_INLINE backtracer &backtracer::operator=(backtracer other)
26{
27 std::lock_guard<std::mutex> lock(mutex_);
28 enabled_ = other.enabled();
29 messages_ = std::move(other.messages_);
30 return *this;
31}
32
33SPDLOG_INLINE void backtracer::enable(size_t size)
34{
35 std::lock_guard<std::mutex> lock{mutex_};
36 enabled_.store(true, std::memory_order_relaxed);
37 messages_ = circular_q<log_msg_buffer>{size};
38}
39
40SPDLOG_INLINE void backtracer::disable()
41{
42 std::lock_guard<std::mutex> lock{mutex_};
43 enabled_.store(false, std::memory_order_relaxed);
44}
45
46SPDLOG_INLINE bool backtracer::enabled() const
47{
48 return enabled_.load(std::memory_order_relaxed);
49}
50
51SPDLOG_INLINE void backtracer::push_back(const log_msg &msg)
52{
53 std::lock_guard<std::mutex> lock{mutex_};
54 messages_.push_back(log_msg_buffer{msg});
55}
56
57// pop all items in the q and apply the given fun on each of them.
58SPDLOG_INLINE void backtracer::foreach_pop(std::function<void(const details::log_msg &)> fun)
59{
60 std::lock_guard<std::mutex> lock{mutex_};
61 while (!messages_.empty())
62 {
63 auto &front_msg = messages_.front();
64 fun(front_msg);
65 messages_.pop_front();
66 }
67}
68} // namespace details
69} // namespace spdlog
70