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/*
* 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"
#if ENABLE(RESOURCE_TIMING)
#include "Document.h"
#include "DocumentLoadTiming.h"
#include "DocumentLoader.h"
#include "KURL.h"
#include "ResourceRequest.h"
#include "ResourceResponse.h"
#include "SecurityOrigin.h"
#include <wtf/Vector.h>
namespace WebCore {
static double monotonicTimeToDocumentMilliseconds(Document* document, double seconds)
{
ASSERT(seconds >= 0.0);
return document->loader()->timing()->monotonicTimeToZeroBasedDocumentTime(seconds) * 1000.0;
}
static bool passesTimingAllowCheck(const ResourceResponse& response, Document* requestingDocument)
{
AtomicallyInitializedStatic(AtomicString&, timingAllowOrigin = *new AtomicString("timing-allow-origin"));
RefPtr<SecurityOrigin> resourceOrigin = SecurityOrigin::create(response.url());
if (resourceOrigin->isSameSchemeHostPort(requestingDocument->securityOrigin()))
return true;
const String& timingAllowOriginString = response.httpHeaderField(timingAllowOrigin);
if (timingAllowOriginString.isEmpty() || equalIgnoringCase(timingAllowOriginString, "null"))
return false;
if (timingAllowOriginString == "*")
return true;
const String& securityOrigin = requestingDocument->securityOrigin()->toString();
Vector<String> timingAllowOrigins;
timingAllowOriginString.split(" ", timingAllowOrigins);
for (size_t i = 0; i < timingAllowOrigins.size(); ++i)
if (timingAllowOrigins[i] == securityOrigin)
return true;
return false;
}
PerformanceResourceTiming::PerformanceResourceTiming(const AtomicString& initiatorType, const ResourceRequest& request, const ResourceResponse& response, double initiationTime, double finishTime, Document* requestingDocument)
: PerformanceEntry(request.url().string(), "resource", monotonicTimeToDocumentMilliseconds(requestingDocument, initiationTime), monotonicTimeToDocumentMilliseconds(requestingDocument, finishTime))
, m_initiatorType(initiatorType)
, m_timing(response.resourceLoadTiming())
, m_finishTime(finishTime)
, m_didReuseConnection(response.connectionReused())
, m_shouldReportDetails(passesTimingAllowCheck(response, requestingDocument))
, m_requestingDocument(requestingDocument)
{
}
PerformanceResourceTiming::~PerformanceResourceTiming()
{
}
AtomicString PerformanceResourceTiming::initiatorType() const
{
return m_initiatorType;
}
double PerformanceResourceTiming::redirectStart() const
{
// FIXME: Need to track and report redirects for resources.
if (!m_shouldReportDetails)
return 0.0;
return 0;
}
double PerformanceResourceTiming::redirectEnd() const
{
if (!m_shouldReportDetails)
return 0.0;
return 0;
}
double PerformanceResourceTiming::fetchStart() const
{
// FIXME: This should be different depending on redirects.
return (startTime());
}
double PerformanceResourceTiming::domainLookupStart() const
{
if (!m_shouldReportDetails)
return 0.0;
if (!m_timing || m_timing->dnsStart < 0)
return fetchStart();
return resourceTimeToDocumentMilliseconds(m_timing->dnsStart);
}
double PerformanceResourceTiming::domainLookupEnd() const
{
if (!m_shouldReportDetails)
return 0.0;
if (!m_timing || m_timing->dnsEnd < 0)
return domainLookupStart();
return resourceTimeToDocumentMilliseconds(m_timing->dnsEnd);
}
double PerformanceResourceTiming::connectStart() const
{
if (!m_shouldReportDetails)
return 0.0;
// connectStart will be -1 when a network request is not made.
if (!m_timing || m_timing->connectStart < 0 || m_didReuseConnection)
return domainLookupEnd();
// connectStart includes any DNS time, so we may need to trim that off.
int connectStart = m_timing->connectStart;
if (m_timing->dnsEnd >= 0)
connectStart = m_timing->dnsEnd;
return resourceTimeToDocumentMilliseconds(connectStart);
}
double PerformanceResourceTiming::connectEnd() const
{
if (!m_shouldReportDetails)
return 0.0;
// connectStart will be -1 when a network request is not made.
if (!m_timing || m_timing->connectEnd < 0 || m_didReuseConnection)
return connectStart();
return resourceTimeToDocumentMilliseconds(m_timing->connectEnd);
}
double PerformanceResourceTiming::secureConnectionStart() const
{
if (!m_shouldReportDetails)
return 0.0;
if (!m_timing || m_timing->sslStart < 0) // Secure connection not negotiated.
return 0.0;
return resourceTimeToDocumentMilliseconds(m_timing->sslStart);
}
double PerformanceResourceTiming::requestStart() const
{
if (!m_shouldReportDetails)
return 0.0;
if (!m_timing)
return connectEnd();
return resourceTimeToDocumentMilliseconds(m_timing->sendStart);
}
double PerformanceResourceTiming::responseStart() const
{
if (!m_shouldReportDetails)
return 0.0;
if (!m_timing)
return requestStart();
// FIXME: This number isn't exactly correct. See the notes in PerformanceTiming::responseStart().
return resourceTimeToDocumentMilliseconds(m_timing->receiveHeadersEnd);
}
double PerformanceResourceTiming::responseEnd() const
{
if (!m_finishTime)
return responseStart();
return monotonicTimeToDocumentMilliseconds(m_requestingDocument.get(), m_finishTime);
}
double PerformanceResourceTiming::resourceTimeToDocumentMilliseconds(int deltaMilliseconds) const
{
if (!deltaMilliseconds)
return 0.0;
return monotonicTimeToDocumentMilliseconds(m_requestingDocument.get(), m_timing->requestTime) + deltaMilliseconds;
}
} // namespace WebCore
#endif // ENABLE(RESOURCE_TIMING)
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