80 lines
1.8 KiB
C++
80 lines
1.8 KiB
C++
//
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// Copyright(c) 2018 Gabi Melman.
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// Distributed under the MIT License (http://opensource.org/licenses/MIT)
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//
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#pragma once
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#include "spdlog/details/null_mutex.h"
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#include "spdlog/sinks/base_sink.h"
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#include "spdlog/fmt/fmt.h"
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#include <chrono>
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#include <mutex>
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#include <thread>
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namespace spdlog {
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namespace sinks {
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template<class Mutex>
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class test_sink : public base_sink<Mutex>
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{
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const size_t lines_to_save = 100;
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public:
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size_t msg_counter()
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{
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std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
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return msg_counter_;
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}
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size_t flush_counter()
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{
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std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
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return flush_counter_;
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}
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void set_delay(std::chrono::milliseconds delay)
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{
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std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
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delay_ = delay;
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}
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// return last output without the eol
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std::vector<std::string> lines()
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{
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std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
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return lines_;
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}
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protected:
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void sink_it_(const details::log_msg &msg) override
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{
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fmt::memory_buffer formatted;
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base_sink<Mutex>::formatter_->format(msg, formatted);
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// save the line without the eol
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auto eol_len = strlen(details::os::default_eol);
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if(lines_.size() < lines_to_save)
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{
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lines_.emplace_back(formatted.begin(), formatted.end()-eol_len);
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}
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msg_counter_++;
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std::this_thread::sleep_for(delay_);
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}
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void flush_() override
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{
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flush_counter_++;
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}
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size_t msg_counter_{0};
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size_t flush_counter_{0};
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std::chrono::milliseconds delay_{std::chrono::milliseconds::zero()};
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std::vector<std::string> lines_;
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};
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using test_sink_mt = test_sink<std::mutex>;
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using test_sink_st = test_sink<details::null_mutex>;
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} // namespace sinks
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} // namespace spdlog
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