StackLogger.h

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#pragma once
#include "Logging.h"
#include "StackTimer.h"
#include "TimeSpan.h"
 
namespace catapult { namespace utils {
 
    class StackLogger {
    public:
        StackLogger(const char* message, LogLevel level)
                : m_message(message)
                , m_level(level) {
            CATAPULT_LOG_LEVEL(m_level) << "pushing scope '" << m_message << "'";
        }
 
        ~StackLogger() {
            auto elapsedMillis = m_timer.millis();
            CATAPULT_LOG_LEVEL(m_level) << "popping scope '" << m_message << "' (" << elapsedMillis << "ms)";
        }
 
    private:
        const char* m_message;
        LogLevel m_level;
        StackTimer m_timer;
    };
 
    class SlowOperationLogger {
    public:
        SlowOperationLogger(const char* message, LogLevel level, const TimeSpan& threshold = TimeSpan::FromSeconds(1))
                : m_message(message)
                , m_level(level)
                , m_threshold(threshold)
        {}
 
        ~SlowOperationLogger() {
            auto elapsedMillis = m_timer.millis();
            if (TimeSpan::FromMilliseconds(elapsedMillis) > m_threshold)
                CATAPULT_LOG_LEVEL(m_level) << "slow operation detected: '" << m_message << "' (" << elapsedMillis << "ms)";
        }
 
    private:
        const char* m_message;
        LogLevel m_level;
        TimeSpan m_threshold;
        StackTimer m_timer;
    };
}}