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/*
* Copyright (C) 2017 Apple Inc. All rights reserved.
* Copyright (C) 2012 Google Inc. All rights reserved.
* Copyright (C) 2012 Intel Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "PerformanceResourceTiming.h"
#include "Document.h"
#include "DocumentLoader.h"
#include "LoadTiming.h"
#include "ResourceResponse.h"
#include "ResourceTiming.h"
#include "URL.h"
namespace WebCore {
static double monotonicTimeToDOMHighResTimeStamp(MonotonicTime timeOrigin, MonotonicTime timeStamp)
{
ASSERT(timeStamp.secondsSinceEpoch().seconds() >= 0);
if (!timeStamp || !timeOrigin)
return 0;
Seconds seconds = timeStamp - timeOrigin;
return Performance::reduceTimeResolution(seconds).milliseconds();
}
static double entryStartTime(MonotonicTime timeOrigin, const ResourceTiming& resourceTiming)
{
return monotonicTimeToDOMHighResTimeStamp(timeOrigin, resourceTiming.loadTiming().startTime());
}
static double entryEndTime(MonotonicTime timeOrigin, const ResourceTiming& resourceTiming)
{
if (resourceTiming.networkLoadMetrics().isComplete()) {
Seconds endTime = (resourceTiming.loadTiming().fetchStart() + resourceTiming.networkLoadMetrics().responseEnd) - timeOrigin;
return Performance::reduceTimeResolution(endTime).milliseconds();
}
return monotonicTimeToDOMHighResTimeStamp(timeOrigin, resourceTiming.loadTiming().responseEnd());
}
Ref<PerformanceResourceTiming> PerformanceResourceTiming::create(MonotonicTime timeOrigin, ResourceTiming&& resourceTiming)
{
return adoptRef(*new PerformanceResourceTiming(timeOrigin, WTFMove(resourceTiming)));
}
PerformanceResourceTiming::PerformanceResourceTiming(MonotonicTime timeOrigin, ResourceTiming&& resourceTiming)
: PerformanceEntry(PerformanceEntry::Type::Resource, resourceTiming.url().string(), ASCIILiteral("resource"), entryStartTime(timeOrigin, resourceTiming), entryEndTime(timeOrigin, resourceTiming))
, m_initiatorType(resourceTiming.initiator())
, m_timeOrigin(timeOrigin)
, m_loadTiming(resourceTiming.loadTiming())
, m_networkLoadMetrics(resourceTiming.networkLoadMetrics())
, m_shouldReportDetails(resourceTiming.allowTimingDetails())
{
m_networkLoadMetrics.clearNonTimingData();
}
PerformanceResourceTiming::~PerformanceResourceTiming() = default;
String PerformanceResourceTiming::nextHopProtocol() const
{
return m_networkLoadMetrics.protocol;
}
double PerformanceResourceTiming::workerStart() const
{
// FIXME: <https://webkit.org/b/179377> Implement PerformanceResourceTiming.workerStart in ServiceWorkers
return 0.0;
}
double PerformanceResourceTiming::redirectStart() const
{
if (!m_shouldReportDetails)
return 0.0;
return monotonicTimeToDOMHighResTimeStamp(m_timeOrigin, m_loadTiming.redirectStart());
}
double PerformanceResourceTiming::redirectEnd() const
{
if (!m_shouldReportDetails)
return 0.0;
return monotonicTimeToDOMHighResTimeStamp(m_timeOrigin, m_loadTiming.redirectEnd());
}
double PerformanceResourceTiming::fetchStart() const
{
// fetchStart is a required property.
ASSERT(m_loadTiming.fetchStart());
return monotonicTimeToDOMHighResTimeStamp(m_timeOrigin, m_loadTiming.fetchStart());
}
double PerformanceResourceTiming::domainLookupStart() const
{
if (!m_shouldReportDetails)
return 0.0;
if (m_networkLoadMetrics.domainLookupStart <= 0_ms)
return fetchStart();
return networkLoadTimeToDOMHighResTimeStamp(m_networkLoadMetrics.domainLookupStart);
}
double PerformanceResourceTiming::domainLookupEnd() const
{
if (!m_shouldReportDetails)
return 0.0;
if (m_networkLoadMetrics.domainLookupEnd <= 0_ms)
return domainLookupStart();
return networkLoadTimeToDOMHighResTimeStamp(m_networkLoadMetrics.domainLookupEnd);
}
double PerformanceResourceTiming::connectStart() const
{
if (!m_shouldReportDetails)
return 0.0;
if (m_networkLoadMetrics.connectStart <= 0_ms)
return domainLookupEnd();
return networkLoadTimeToDOMHighResTimeStamp(m_networkLoadMetrics.connectStart);
}
double PerformanceResourceTiming::connectEnd() const
{
if (!m_shouldReportDetails)
return 0.0;
if (m_networkLoadMetrics.connectEnd <= 0_ms)
return connectStart();
return networkLoadTimeToDOMHighResTimeStamp(m_networkLoadMetrics.connectEnd);
}
double PerformanceResourceTiming::secureConnectionStart() const
{
if (!m_shouldReportDetails)
return 0.0;
if (m_networkLoadMetrics.secureConnectionStart <= 0_ms)
return 0.0;
return networkLoadTimeToDOMHighResTimeStamp(m_networkLoadMetrics.secureConnectionStart);
}
double PerformanceResourceTiming::requestStart() const
{
if (!m_shouldReportDetails)
return 0.0;
// requestStart is 0 when a network request is not made.
if (m_networkLoadMetrics.requestStart <= 0_ms)
return connectEnd();
return networkLoadTimeToDOMHighResTimeStamp(m_networkLoadMetrics.requestStart);
}
double PerformanceResourceTiming::responseStart() const
{
if (!m_shouldReportDetails)
return 0.0;
// responseStart is 0 when a network request is not made.
if (m_networkLoadMetrics.responseStart <= 0_ms)
return requestStart();
return networkLoadTimeToDOMHighResTimeStamp(m_networkLoadMetrics.responseStart);
}
double PerformanceResourceTiming::responseEnd() const
{
// responseEnd is a required property.
ASSERT(m_networkLoadMetrics.isComplete() || m_loadTiming.responseEnd());
if (m_networkLoadMetrics.isComplete()) {
// responseEnd is 0 when a network request is not made.
// This should mean all other properties are empty.
if (m_networkLoadMetrics.responseEnd <= 0_ms) {
ASSERT(m_networkLoadMetrics.responseStart <= 0_ms);
ASSERT(m_networkLoadMetrics.requestStart <= 0_ms);
ASSERT(m_networkLoadMetrics.requestStart <= 0_ms);
ASSERT(m_networkLoadMetrics.secureConnectionStart <= 0_ms);
ASSERT(m_networkLoadMetrics.connectEnd <= 0_ms);
ASSERT(m_networkLoadMetrics.connectStart <= 0_ms);
ASSERT(m_networkLoadMetrics.domainLookupEnd <= 0_ms);
ASSERT(m_networkLoadMetrics.domainLookupStart <= 0_ms);
return fetchStart();
}
return networkLoadTimeToDOMHighResTimeStamp(m_networkLoadMetrics.responseEnd);
}
return monotonicTimeToDOMHighResTimeStamp(m_timeOrigin, m_loadTiming.responseEnd());
}
double PerformanceResourceTiming::networkLoadTimeToDOMHighResTimeStamp(Seconds delta) const
{
ASSERT(delta);
Seconds final = (m_loadTiming.fetchStart() + delta) - m_timeOrigin;
return Performance::reduceTimeResolution(final).milliseconds();
}
} // namespace WebCore