PerformanceResourceTiming.cpp [plain text]
#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
{
if (!m_shouldReportDetails)
return 0.0;
return 0;
}
double PerformanceResourceTiming::redirectEnd() const
{
if (!m_shouldReportDetails)
return 0.0;
return 0;
}
double PerformanceResourceTiming::fetchStart() const
{
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;
if (!m_timing || m_timing->connectStart < 0 || m_didReuseConnection)
return domainLookupEnd();
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;
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) 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();
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;
}
}
#endif // ENABLE(RESOURCE_TIMING)