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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 "DocumentLoadTiming.h"
#include "DocumentLoader.h"
#include "PerformanceServerTiming.h"
#include "ResourceResponse.h"
#include "ResourceTiming.h"
#include <wtf/URL.h>
namespace WebCore {
static double networkLoadTimeToDOMHighResTimeStamp(MonotonicTime timeOrigin, MonotonicTime timeStamp)
{
if (!timeStamp)
return 0.0;
ASSERT(timeOrigin);
return Performance::reduceTimeResolution(timeStamp - timeOrigin).milliseconds();
}
static double fetchStart(MonotonicTime timeOrigin, const ResourceTiming& resourceTiming)
{
if (auto fetchStart = resourceTiming.networkLoadMetrics().fetchStart)
return networkLoadTimeToDOMHighResTimeStamp(timeOrigin, fetchStart);
// fetchStart is a required property.
auto startTime = resourceTiming.resourceLoadTiming().startTime();
ASSERT(startTime);
return networkLoadTimeToDOMHighResTimeStamp(timeOrigin, startTime);
}
static double entryStartTime(MonotonicTime timeOrigin, const ResourceTiming& resourceTiming)
{
if (resourceTiming.networkLoadMetrics().failsTAOCheck
|| !resourceTiming.networkLoadMetrics().redirectCount)
return fetchStart(timeOrigin, resourceTiming);
if (resourceTiming.networkLoadMetrics().redirectStart)
return networkLoadTimeToDOMHighResTimeStamp(timeOrigin, resourceTiming.networkLoadMetrics().redirectStart);
return networkLoadTimeToDOMHighResTimeStamp(timeOrigin, resourceTiming.resourceLoadTiming().startTime());
}
static double entryEndTime(MonotonicTime timeOrigin, const ResourceTiming& resourceTiming)
{
if (resourceTiming.networkLoadMetrics().responseEnd)
return networkLoadTimeToDOMHighResTimeStamp(timeOrigin, resourceTiming.networkLoadMetrics().responseEnd);
return networkLoadTimeToDOMHighResTimeStamp(timeOrigin, resourceTiming.resourceLoadTiming().endTime());
}
Ref<PerformanceResourceTiming> PerformanceResourceTiming::create(MonotonicTime timeOrigin, ResourceTiming&& resourceTiming)
{
return adoptRef(*new PerformanceResourceTiming(timeOrigin, WTFMove(resourceTiming)));
}
PerformanceResourceTiming::PerformanceResourceTiming(MonotonicTime timeOrigin, ResourceTiming&& resourceTiming)
: PerformanceEntry(resourceTiming.url().string(), entryStartTime(timeOrigin, resourceTiming), entryEndTime(timeOrigin, resourceTiming))
, m_timeOrigin(timeOrigin)
, m_resourceTiming(WTFMove(resourceTiming))
, m_serverTiming(m_resourceTiming.populateServerTiming())
{
}
PerformanceResourceTiming::~PerformanceResourceTiming() = default;
const String& PerformanceResourceTiming::nextHopProtocol() const
{
if (m_resourceTiming.networkLoadMetrics().failsTAOCheck)
return emptyString();
return m_resourceTiming.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_resourceTiming.networkLoadMetrics().failsTAOCheck)
return 0.0;
if (!m_resourceTiming.networkLoadMetrics().redirectCount)
return 0.0;
return networkLoadTimeToDOMHighResTimeStamp(m_timeOrigin, m_resourceTiming.networkLoadMetrics().redirectStart);
}
double PerformanceResourceTiming::redirectEnd() const
{
if (m_resourceTiming.networkLoadMetrics().failsTAOCheck)
return 0.0;
if (!m_resourceTiming.networkLoadMetrics().redirectCount)
return 0.0;
// These two times are so close to each other that we don't record two timestamps.
// See https://www.w3.org/TR/resource-timing-2/#attribute-descriptions
return fetchStart();
}
double PerformanceResourceTiming::fetchStart() const
{
return WebCore::fetchStart(m_timeOrigin, m_resourceTiming);
}
double PerformanceResourceTiming::domainLookupStart() const
{
if (m_resourceTiming.networkLoadMetrics().failsTAOCheck)
return 0.0;
if (!m_resourceTiming.networkLoadMetrics().domainLookupStart)
return fetchStart();
return networkLoadTimeToDOMHighResTimeStamp(m_timeOrigin, m_resourceTiming.networkLoadMetrics().domainLookupStart);
}
double PerformanceResourceTiming::domainLookupEnd() const
{
if (m_resourceTiming.networkLoadMetrics().failsTAOCheck)
return 0.0;
if (!m_resourceTiming.networkLoadMetrics().domainLookupEnd)
return domainLookupStart();
return networkLoadTimeToDOMHighResTimeStamp(m_timeOrigin, m_resourceTiming.networkLoadMetrics().domainLookupEnd);
}
double PerformanceResourceTiming::connectStart() const
{
if (m_resourceTiming.networkLoadMetrics().failsTAOCheck)
return 0.0;
if (!m_resourceTiming.networkLoadMetrics().connectStart)
return domainLookupEnd();
return networkLoadTimeToDOMHighResTimeStamp(m_timeOrigin, m_resourceTiming.networkLoadMetrics().connectStart);
}
double PerformanceResourceTiming::connectEnd() const
{
if (m_resourceTiming.networkLoadMetrics().failsTAOCheck)
return 0.0;
if (!m_resourceTiming.networkLoadMetrics().connectEnd)
return connectStart();
return networkLoadTimeToDOMHighResTimeStamp(m_timeOrigin, m_resourceTiming.networkLoadMetrics().connectEnd);
}
double PerformanceResourceTiming::secureConnectionStart() const
{
if (m_resourceTiming.networkLoadMetrics().failsTAOCheck)
return 0.0;
if (m_resourceTiming.networkLoadMetrics().secureConnectionStart == reusedTLSConnectionSentinel)
return fetchStart();
if (!m_resourceTiming.networkLoadMetrics().secureConnectionStart)
return 0.0;
return networkLoadTimeToDOMHighResTimeStamp(m_timeOrigin, m_resourceTiming.networkLoadMetrics().secureConnectionStart);
}
double PerformanceResourceTiming::requestStart() const
{
if (m_resourceTiming.networkLoadMetrics().failsTAOCheck)
return 0.0;
// requestStart is 0 when a network request is not made.
if (!m_resourceTiming.networkLoadMetrics().requestStart)
return connectEnd();
return networkLoadTimeToDOMHighResTimeStamp(m_timeOrigin, m_resourceTiming.networkLoadMetrics().requestStart);
}
double PerformanceResourceTiming::responseStart() const
{
if (m_resourceTiming.networkLoadMetrics().failsTAOCheck)
return 0.0;
// responseStart is 0 when a network request is not made.
if (!m_resourceTiming.networkLoadMetrics().responseStart)
return requestStart();
return networkLoadTimeToDOMHighResTimeStamp(m_timeOrigin, m_resourceTiming.networkLoadMetrics().responseStart);
}
double PerformanceResourceTiming::responseEnd() const
{
// responseEnd is a required property, but PerformanceNavigationTiming
// can be queried before the document load is complete
ASSERT(m_resourceTiming.networkLoadMetrics().isComplete()
|| m_resourceTiming.resourceLoadTiming().endTime()
|| performanceEntryType() == Type::Navigation);
if (m_resourceTiming.networkLoadMetrics().isComplete()) {
if (m_resourceTiming.networkLoadMetrics().responseEnd)
return networkLoadTimeToDOMHighResTimeStamp(m_timeOrigin, m_resourceTiming.networkLoadMetrics().responseEnd);
// responseEnd is 0 when a network request is not made.
// This should mean all other properties are empty.
ASSERT(!m_resourceTiming.networkLoadMetrics().responseStart);
ASSERT(!m_resourceTiming.networkLoadMetrics().requestStart);
ASSERT(!m_resourceTiming.networkLoadMetrics().requestStart);
ASSERT(!m_resourceTiming.networkLoadMetrics().secureConnectionStart);
ASSERT(!m_resourceTiming.networkLoadMetrics().connectEnd);
ASSERT(!m_resourceTiming.networkLoadMetrics().connectStart);
ASSERT(!m_resourceTiming.networkLoadMetrics().domainLookupEnd);
ASSERT(!m_resourceTiming.networkLoadMetrics().domainLookupStart);
}
return networkLoadTimeToDOMHighResTimeStamp(m_timeOrigin, m_resourceTiming.resourceLoadTiming().endTime());
}
uint64_t PerformanceResourceTiming::transferSize() const
{
if (m_resourceTiming.networkLoadMetrics().failsTAOCheck)
return 0;
auto encodedBodySize = m_resourceTiming.networkLoadMetrics().responseBodyBytesReceived;
if (encodedBodySize == std::numeric_limits<uint64_t>::max())
return 0;
// https://w3c.github.io/resource-timing/#dom-performanceresourcetiming-transfersize
return encodedBodySize + 300;
}
uint64_t PerformanceResourceTiming::encodedBodySize() const
{
if (m_resourceTiming.networkLoadMetrics().failsTAOCheck)
return 0;
auto encodedBodySize = m_resourceTiming.networkLoadMetrics().responseBodyBytesReceived;
if (encodedBodySize == std::numeric_limits<uint64_t>::max())
return 0;
return encodedBodySize;
}
uint64_t PerformanceResourceTiming::decodedBodySize() const
{
if (m_resourceTiming.networkLoadMetrics().failsTAOCheck)
return 0;
auto decodedBodySize = m_resourceTiming.networkLoadMetrics().responseBodyDecodedSize;
if (decodedBodySize == std::numeric_limits<uint64_t>::max())
return 0;
return decodedBodySize;
}
} // namespace WebCore