Rearrange sources (#4997)

include/xrpl/beast/insight/Event.h

@@ -0,0 +1,84 @@
+//------------------------------------------------------------------------------
+/*
+    This file is part of Beast: https://github.com/vinniefalco/Beast
+    Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
+
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose  with  or without fee is hereby granted, provided that the above
+    copyright notice and this permission notice appear in all copies.
+
+    THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
+    MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+//==============================================================================
+
+#ifndef BEAST_INSIGHT_EVENT_H_INCLUDED
+#define BEAST_INSIGHT_EVENT_H_INCLUDED
+
+#include <ripple/beast/insight/EventImpl.h>
+
+#include <chrono>
+#include <memory>
+
+namespace beast {
+namespace insight {
+
+/** A metric for reporting event timing.
+
+    An event is an operation that has an associated millisecond time, or
+    other integral value. Because events happen at a specific moment, the
+    metric only supports a push-style interface.
+
+    This is a lightweight reference wrapper which is cheap to copy and assign.
+    When the last reference goes away, the metric is no longer collected.
+*/
+class Event final
+{
+public:
+    using value_type = EventImpl::value_type;
+
+    /** Create a null metric.
+        A null metric reports no information.
+    */
+    Event()
+    {
+    }
+
+    /** Create the metric reference the specified implementation.
+        Normally this won't be called directly. Instead, call the appropriate
+        factory function in the Collector interface.
+        @see Collector.
+    */
+    explicit Event(std::shared_ptr<EventImpl> const& impl) : m_impl(impl)
+    {
+    }
+
+    /** Push an event notification. */
+    template <class Rep, class Period>
+    void
+    notify(std::chrono::duration<Rep, Period> const& value) const
+    {
+        using namespace std::chrono;
+        if (m_impl)
+            m_impl->notify(ceil<value_type>(value));
+    }
+
+    std::shared_ptr<EventImpl> const&
+    impl() const
+    {
+        return m_impl;
+    }
+
+private:
+    std::shared_ptr<EventImpl> m_impl;
+};
+
+}  // namespace insight
+}  // namespace beast
+
+#endif