| /* |
| * 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 "core/timing/PerformanceResourceTiming.h" |
| |
| #include "core/dom/Document.h" |
| #include "core/loader/DocumentLoadTiming.h" |
| #include "core/loader/DocumentLoader.h" |
| #include "core/timing/ResourceTimingInfo.h" |
| #include "platform/network/ResourceRequest.h" |
| #include "platform/network/ResourceResponse.h" |
| |
| namespace WebCore { |
| |
| static double monotonicTimeToDocumentMilliseconds(Document* document, double seconds) |
| { |
| ASSERT(seconds >= 0.0); |
| return document->loader()->timing()->monotonicTimeToZeroBasedDocumentTime(seconds) * 1000.0; |
| } |
| |
| PerformanceResourceTiming::PerformanceResourceTiming(const ResourceTimingInfo& info, Document* requestingDocument, double startTime, double lastRedirectEndTime, bool allowTimingDetails, bool allowRedirectDetails) |
| : PerformanceEntry(info.initialRequest().url().string(), "resource", monotonicTimeToDocumentMilliseconds(requestingDocument, startTime), monotonicTimeToDocumentMilliseconds(requestingDocument, info.loadFinishTime())) |
| , m_initiatorType(info.initiatorType()) |
| , m_timing(info.finalResponse().resourceLoadTiming()) |
| , m_lastRedirectEndTime(lastRedirectEndTime) |
| , m_finishTime(info.loadFinishTime()) |
| , m_didReuseConnection(info.finalResponse().connectionReused()) |
| , m_allowTimingDetails(allowTimingDetails) |
| , m_allowRedirectDetails(allowRedirectDetails) |
| , m_requestingDocument(requestingDocument) |
| { |
| ScriptWrappable::init(this); |
| } |
| |
| PerformanceResourceTiming::~PerformanceResourceTiming() |
| { |
| } |
| |
| AtomicString PerformanceResourceTiming::initiatorType() const |
| { |
| return m_initiatorType; |
| } |
| |
| double PerformanceResourceTiming::redirectStart() const |
| { |
| if (!m_lastRedirectEndTime || !m_allowRedirectDetails) |
| return 0.0; |
| |
| return PerformanceEntry::startTime(); |
| } |
| |
| double PerformanceResourceTiming::redirectEnd() const |
| { |
| if (!m_lastRedirectEndTime || !m_allowRedirectDetails) |
| return 0.0; |
| |
| return monotonicTimeToDocumentMilliseconds(m_requestingDocument.get(), m_lastRedirectEndTime); |
| } |
| |
| double PerformanceResourceTiming::fetchStart() const |
| { |
| if (m_lastRedirectEndTime) { |
| // FIXME: ASSERT(m_timing) should be in constructor once timeticks of |
| // AppCache is exposed from chrome network stack, crbug/251100 |
| ASSERT(m_timing); |
| return monotonicTimeToDocumentMilliseconds(m_requestingDocument.get(), m_timing->requestTime); |
| } |
| |
| return PerformanceEntry::startTime(); |
| } |
| |
| double PerformanceResourceTiming::domainLookupStart() const |
| { |
| if (!m_allowTimingDetails) |
| return 0.0; |
| |
| if (!m_timing || m_timing->dnsStart == 0.0) |
| return fetchStart(); |
| |
| return monotonicTimeToDocumentMilliseconds(m_requestingDocument.get(), m_timing->dnsStart); |
| } |
| |
| double PerformanceResourceTiming::domainLookupEnd() const |
| { |
| if (!m_allowTimingDetails) |
| return 0.0; |
| |
| if (!m_timing || m_timing->dnsEnd == 0.0) |
| return domainLookupStart(); |
| |
| return monotonicTimeToDocumentMilliseconds(m_requestingDocument.get(), m_timing->dnsEnd); |
| } |
| |
| double PerformanceResourceTiming::connectStart() const |
| { |
| if (!m_allowTimingDetails) |
| return 0.0; |
| |
| // connectStart will be zero when a network request is not made. |
| if (!m_timing || m_timing->connectStart == 0.0 || m_didReuseConnection) |
| return domainLookupEnd(); |
| |
| // connectStart includes any DNS time, so we may need to trim that off. |
| double connectStart = m_timing->connectStart; |
| if (m_timing->dnsEnd > 0.0) |
| connectStart = m_timing->dnsEnd; |
| |
| return monotonicTimeToDocumentMilliseconds(m_requestingDocument.get(), connectStart); |
| } |
| |
| double PerformanceResourceTiming::connectEnd() const |
| { |
| if (!m_allowTimingDetails) |
| return 0.0; |
| |
| // connectStart will be zero when a network request is not made. |
| if (!m_timing || m_timing->connectEnd == 0.0 || m_didReuseConnection) |
| return connectStart(); |
| |
| return monotonicTimeToDocumentMilliseconds(m_requestingDocument.get(), m_timing->connectEnd); |
| } |
| |
| double PerformanceResourceTiming::secureConnectionStart() const |
| { |
| if (!m_allowTimingDetails) |
| return 0.0; |
| |
| if (!m_timing || m_timing->sslStart == 0.0) // Secure connection not negotiated. |
| return 0.0; |
| |
| return monotonicTimeToDocumentMilliseconds(m_requestingDocument.get(), m_timing->sslStart); |
| } |
| |
| double PerformanceResourceTiming::requestStart() const |
| { |
| if (!m_allowTimingDetails) |
| return 0.0; |
| |
| if (!m_timing) |
| return connectEnd(); |
| |
| return monotonicTimeToDocumentMilliseconds(m_requestingDocument.get(), m_timing->sendStart); |
| } |
| |
| double PerformanceResourceTiming::responseStart() const |
| { |
| if (!m_allowTimingDetails) |
| return 0.0; |
| |
| if (!m_timing) |
| return requestStart(); |
| |
| // FIXME: This number isn't exactly correct. See the notes in PerformanceTiming::responseStart(). |
| return monotonicTimeToDocumentMilliseconds(m_requestingDocument.get(), m_timing->receiveHeadersEnd); |
| } |
| |
| double PerformanceResourceTiming::responseEnd() const |
| { |
| if (!m_finishTime) |
| return responseStart(); |
| |
| return monotonicTimeToDocumentMilliseconds(m_requestingDocument.get(), m_finishTime); |
| } |
| |
| } // namespace WebCore |