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1d42c4f6de
Per XLS-0095, we are taking steps to rename ripple(d) to xrpl(d). This change specifically removes all copyright notices referencing Ripple, XRPLF, and certain affiliated contributors upon mutual agreement, so the notice in the LICENSE.md file applies throughout. Copyright notices referencing external contributions remain as-is. Duplicate verbiage is also removed.
66 lines
1.5 KiB
C++
66 lines
1.5 KiB
C++
#ifndef BEAST_INSIGHT_EVENT_H_INCLUDED
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#define BEAST_INSIGHT_EVENT_H_INCLUDED
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#include <xrpl/beast/insight/EventImpl.h>
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#include <chrono>
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#include <memory>
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namespace beast {
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namespace insight {
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/** A metric for reporting event timing.
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An event is an operation that has an associated millisecond time, or
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other integral value. Because events happen at a specific moment, the
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metric only supports a push-style interface.
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This is a lightweight reference wrapper which is cheap to copy and assign.
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When the last reference goes away, the metric is no longer collected.
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*/
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class Event final
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{
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public:
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using value_type = EventImpl::value_type;
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/** Create a null metric.
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A null metric reports no information.
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*/
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Event()
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{
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}
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/** Create the metric reference the specified implementation.
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Normally this won't be called directly. Instead, call the appropriate
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factory function in the Collector interface.
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@see Collector.
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*/
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explicit Event(std::shared_ptr<EventImpl> const& impl) : m_impl(impl)
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{
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}
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/** Push an event notification. */
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template <class Rep, class Period>
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void
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notify(std::chrono::duration<Rep, Period> const& value) const
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{
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using namespace std::chrono;
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if (m_impl)
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m_impl->notify(ceil<value_type>(value));
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}
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std::shared_ptr<EventImpl> const&
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impl() const
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{
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return m_impl;
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}
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private:
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std::shared_ptr<EventImpl> m_impl;
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};
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} // namespace insight
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} // namespace beast
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#endif
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