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54 lines
873 B
C++
54 lines
873 B
C++
#ifndef LLARP_STOPWATCH_HPP
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#define LLARP_STOPWATCH_HPP
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#include <nonstd/optional.hpp>
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#include <absl/time/clock.h>
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namespace llarp
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{
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namespace util
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{
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class Stopwatch
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{
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nonstd::optional< absl::Time > m_start;
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nonstd::optional< absl::Time > m_stop;
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public:
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Stopwatch() = default;
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void
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start()
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{
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assert(!m_start);
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assert(!m_stop);
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m_start.emplace(absl::Now());
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}
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void
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stop()
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{
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assert(m_start);
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assert(!m_stop);
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m_stop.emplace(absl::Now());
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}
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bool
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done() const
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{
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return m_start && m_stop;
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}
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absl::Duration
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time() const
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{
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assert(m_start);
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assert(m_stop);
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return m_stop.value() - m_start.value();
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}
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};
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} // namespace util
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} // namespace llarp
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#endif
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