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Diffstat (limited to 'dom/performance/PerformanceTiming.h')
| -rw-r--r-- | dom/performance/PerformanceTiming.h | 595 |
1 files changed, 595 insertions, 0 deletions
diff --git a/dom/performance/PerformanceTiming.h b/dom/performance/PerformanceTiming.h new file mode 100644 index 0000000000..5c14c009d7 --- /dev/null +++ b/dom/performance/PerformanceTiming.h @@ -0,0 +1,595 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef mozilla_dom_PerformanceTiming_h +#define mozilla_dom_PerformanceTiming_h + +#include "mozilla/Attributes.h" +#include "mozilla/BasePrincipal.h" +#include "mozilla/StaticPrefs_dom.h" +#include "nsContentUtils.h" +#include "nsDOMNavigationTiming.h" +#include "nsRFPService.h" +#include "nsWrapperCache.h" +#include "Performance.h" +#include "nsITimedChannel.h" +#include "mozilla/dom/PerformanceTimingTypes.h" +#include "mozilla/ipc/IPDLParamTraits.h" +#include "ipc/IPCMessageUtils.h" +#include "ipc/IPCMessageUtilsSpecializations.h" +#include "mozilla/net/nsServerTiming.h" + +class nsIHttpChannel; + +namespace mozilla::dom { + +class PerformanceTiming; + +class PerformanceTimingData final { + friend class PerformanceTiming; + friend struct mozilla::ipc::IPDLParamTraits< + mozilla::dom::PerformanceTimingData>; + + public: + PerformanceTimingData() = default; // For deserialization + // This can return null. + static PerformanceTimingData* Create(nsITimedChannel* aChannel, + nsIHttpChannel* aHttpChannel, + DOMHighResTimeStamp aZeroTime, + nsAString& aInitiatorType, + nsAString& aEntryName); + + PerformanceTimingData(nsITimedChannel* aChannel, nsIHttpChannel* aHttpChannel, + DOMHighResTimeStamp aZeroTime); + + explicit PerformanceTimingData(const IPCPerformanceTimingData& aIPCData); + + IPCPerformanceTimingData ToIPC(); + + void SetPropertiesFromHttpChannel(nsIHttpChannel* aHttpChannel, + nsITimedChannel* aChannel); + + bool IsInitialized() const { return mInitialized; } + + const nsString& NextHopProtocol() const { return mNextHopProtocol; } + + uint64_t TransferSize() const { return mTransferSize; } + + uint64_t EncodedBodySize() const { return mEncodedBodySize; } + + uint64_t DecodedBodySize() const { return mDecodedBodySize; } + + /** + * @param aStamp + * The TimeStamp recorded for a specific event. This TimeStamp can + * be null. + * @return the duration of an event with a given TimeStamp, relative to the + * navigationStart TimeStamp (the moment the user landed on the + * page), if the given TimeStamp is valid. Otherwise, it will return + * the FetchStart timing value. + */ + inline DOMHighResTimeStamp TimeStampToReducedDOMHighResOrFetchStart( + Performance* aPerformance, TimeStamp aStamp) { + MOZ_ASSERT(aPerformance); + + if (aStamp.IsNull()) { + return FetchStartHighRes(aPerformance); + } + + DOMHighResTimeStamp rawTimestamp = + TimeStampToDOMHighRes(aPerformance, aStamp); + + return nsRFPService::ReduceTimePrecisionAsMSecs( + rawTimestamp, aPerformance->GetRandomTimelineSeed(), + aPerformance->GetRTPCallerType()); + } + + /** + * The nsITimedChannel records an absolute timestamp for each event. + * The nsDOMNavigationTiming will record the moment when the user landed on + * the page. This is a window.performance unique timestamp, so it can be used + * for all the events (navigation timing and resource timing events). + * + * The algorithm operates in 2 steps: + * 1. The first step is to subtract the two timestamps: the argument (the + * event's timestamp) and the navigation start timestamp. This will result in + * a relative timestamp of the event (relative to the navigation start - + * window.performance.timing.navigationStart). + * 2. The second step is to add any required offset (the mZeroTime). For now, + * this offset value is either 0 (for the resource timing), or equal to + * "performance.navigationStart" (for navigation timing). + * For the resource timing, mZeroTime is set to 0, causing the result to be a + * relative time. + * For the navigation timing, mZeroTime is set to + * "performance.navigationStart" causing the result be an absolute time. + * + * @param aStamp + * The TimeStamp recorded for a specific event. This TimeStamp can't + * be null. + * @return number of milliseconds value as one of: + * - relative to the navigation start time, time the user has landed on the + * page + * - an absolute wall clock time since the unix epoch + */ + inline DOMHighResTimeStamp TimeStampToDOMHighRes(Performance* aPerformance, + TimeStamp aStamp) const { + MOZ_ASSERT(aPerformance); + MOZ_ASSERT(!aStamp.IsNull()); + + TimeDuration duration = aStamp - aPerformance->CreationTimeStamp(); + return duration.ToMilliseconds() + mZeroTime; + } + + // The last channel's AsyncOpen time. This may occur before the FetchStart + // in some cases. + DOMHighResTimeStamp AsyncOpenHighRes(Performance* aPerformance); + + // High resolution (used by resource timing) + DOMHighResTimeStamp WorkerStartHighRes(Performance* aPerformance); + DOMHighResTimeStamp FetchStartHighRes(Performance* aPerformance); + DOMHighResTimeStamp RedirectStartHighRes(Performance* aPerformance); + DOMHighResTimeStamp RedirectEndHighRes(Performance* aPerformance); + DOMHighResTimeStamp DomainLookupStartHighRes(Performance* aPerformance); + DOMHighResTimeStamp DomainLookupEndHighRes(Performance* aPerformance); + DOMHighResTimeStamp ConnectStartHighRes(Performance* aPerformance); + DOMHighResTimeStamp SecureConnectionStartHighRes(Performance* aPerformance); + DOMHighResTimeStamp ConnectEndHighRes(Performance* aPerformance); + DOMHighResTimeStamp RequestStartHighRes(Performance* aPerformance); + DOMHighResTimeStamp ResponseStartHighRes(Performance* aPerformance); + DOMHighResTimeStamp ResponseEndHighRes(Performance* aPerformance); + + DOMHighResTimeStamp ZeroTime() const { return mZeroTime; } + + uint8_t RedirectCountReal() const { return mRedirectCount; } + uint8_t GetRedirectCount() const; + + bool AllRedirectsSameOrigin() const { return mAllRedirectsSameOrigin; } + + // If this is false the values of redirectStart/End will be 0 This is false if + // no redirects occured, or if any of the responses failed the + // timing-allow-origin check in HttpBaseChannel::TimingAllowCheck + // + // If aEnsureSameOriginAndIgnoreTAO is false, it checks if all redirects pass + // TAO. When it is true, it checks if all redirects are same-origin and + // ignores the result of TAO. + bool ShouldReportCrossOriginRedirect( + bool aEnsureSameOriginAndIgnoreTAO) const; + + // Cached result of CheckAllowedOrigin. If false, security sensitive + // attributes of the resourceTiming object will be set to 0 + bool TimingAllowed() const { return mTimingAllowed; } + + nsTArray<nsCOMPtr<nsIServerTiming>> GetServerTiming(); + + private: + // Checks if the resource is either same origin as the page that started + // the load, or if the response contains the Timing-Allow-Origin header + // with a value of * or matching the domain of the loading Principal + bool CheckAllowedOrigin(nsIHttpChannel* aResourceChannel, + nsITimedChannel* aChannel); + + nsTArray<nsCOMPtr<nsIServerTiming>> mServerTiming; + nsString mNextHopProtocol; + + TimeStamp mAsyncOpen; + TimeStamp mRedirectStart; + TimeStamp mRedirectEnd; + TimeStamp mDomainLookupStart; + TimeStamp mDomainLookupEnd; + TimeStamp mConnectStart; + TimeStamp mSecureConnectionStart; + TimeStamp mConnectEnd; + TimeStamp mRequestStart; + TimeStamp mResponseStart; + TimeStamp mCacheReadStart; + TimeStamp mResponseEnd; + TimeStamp mCacheReadEnd; + + // ServiceWorker interception timing information + TimeStamp mWorkerStart; + TimeStamp mWorkerRequestStart; + TimeStamp mWorkerResponseEnd; + + // This is an offset that will be added to each timing ([ms] resolution). + // There are only 2 possible values: (1) logicaly equal to navigationStart + // TimeStamp (results are absolute timstamps - wallclock); (2) "0" (results + // are relative to the navigation start). + DOMHighResTimeStamp mZeroTime = 0; + + DOMHighResTimeStamp mFetchStart = 0; + + uint64_t mEncodedBodySize = 0; + uint64_t mTransferSize = 0; + uint64_t mDecodedBodySize = 0; + + uint8_t mRedirectCount = 0; + + bool mAllRedirectsSameOrigin = false; + + bool mAllRedirectsPassTAO = false; + + bool mSecureConnection = false; + + bool mTimingAllowed = false; + + bool mInitialized = false; +}; + +// Script "performance.timing" object +class PerformanceTiming final : public nsWrapperCache { + public: + /** + * @param aPerformance + * The performance object (the JS parent). + * This will allow access to "window.performance.timing" attribute + * for the navigation timing (can't be null). + * @param aChannel + * An nsITimedChannel used to gather all the networking timings by + * both the navigation timing and the resource timing (can't be null). + * @param aHttpChannel + * An nsIHttpChannel (the resource's http channel). + * This will be used by the resource timing cross-domain check + * algorithm. + * Argument is null for the navigation timing (navigation timing uses + * another algorithm for the cross-domain redirects). + * @param aZeroTime + * The offset that will be added to the timestamp of each event. This + * argument should be equal to performance.navigationStart for + * navigation timing and "0" for the resource timing. + */ + PerformanceTiming(Performance* aPerformance, nsITimedChannel* aChannel, + nsIHttpChannel* aHttpChannel, + DOMHighResTimeStamp aZeroTime); + NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(PerformanceTiming) + NS_DECL_CYCLE_COLLECTION_NATIVE_WRAPPERCACHE_CLASS(PerformanceTiming) + + nsDOMNavigationTiming* GetDOMTiming() const { + return mPerformance->GetDOMTiming(); + } + + Performance* GetParentObject() const { return mPerformance; } + + virtual JSObject* WrapObject(JSContext* cx, + JS::Handle<JSObject*> aGivenProto) override; + + // PerformanceNavigation WebIDL methods + DOMTimeMilliSec NavigationStart() const { + if (!StaticPrefs::dom_enable_performance()) { + return 0; + } + return nsRFPService::ReduceTimePrecisionAsMSecs( + GetDOMTiming()->GetNavigationStart(), + mPerformance->GetRandomTimelineSeed(), + mPerformance->GetRTPCallerType()); + } + + DOMTimeMilliSec UnloadEventStart() { + if (!StaticPrefs::dom_enable_performance()) { + return 0; + } + return nsRFPService::ReduceTimePrecisionAsMSecs( + GetDOMTiming()->GetUnloadEventStart(), + mPerformance->GetRandomTimelineSeed(), + mPerformance->GetRTPCallerType()); + } + + DOMTimeMilliSec UnloadEventEnd() { + if (!StaticPrefs::dom_enable_performance()) { + return 0; + } + return nsRFPService::ReduceTimePrecisionAsMSecs( + GetDOMTiming()->GetUnloadEventEnd(), + mPerformance->GetRandomTimelineSeed(), + mPerformance->GetRTPCallerType()); + } + + // Low resolution (used by navigation timing) + DOMTimeMilliSec FetchStart(); + DOMTimeMilliSec RedirectStart(); + DOMTimeMilliSec RedirectEnd(); + DOMTimeMilliSec DomainLookupStart(); + DOMTimeMilliSec DomainLookupEnd(); + DOMTimeMilliSec ConnectStart(); + DOMTimeMilliSec SecureConnectionStart(); + DOMTimeMilliSec ConnectEnd(); + DOMTimeMilliSec RequestStart(); + DOMTimeMilliSec ResponseStart(); + DOMTimeMilliSec ResponseEnd(); + + DOMTimeMilliSec DomLoading() { + if (!StaticPrefs::dom_enable_performance()) { + return 0; + } + return nsRFPService::ReduceTimePrecisionAsMSecs( + GetDOMTiming()->GetDomLoading(), mPerformance->GetRandomTimelineSeed(), + mPerformance->GetRTPCallerType()); + } + + DOMTimeMilliSec DomInteractive() const { + if (!StaticPrefs::dom_enable_performance()) { + return 0; + } + return nsRFPService::ReduceTimePrecisionAsMSecs( + GetDOMTiming()->GetDomInteractive(), + mPerformance->GetRandomTimelineSeed(), + mPerformance->GetRTPCallerType()); + } + + DOMTimeMilliSec DomContentLoadedEventStart() const { + if (!StaticPrefs::dom_enable_performance()) { + return 0; + } + return nsRFPService::ReduceTimePrecisionAsMSecs( + GetDOMTiming()->GetDomContentLoadedEventStart(), + mPerformance->GetRandomTimelineSeed(), + mPerformance->GetRTPCallerType()); + } + + DOMTimeMilliSec DomContentLoadedEventEnd() const { + if (!StaticPrefs::dom_enable_performance()) { + return 0; + } + return nsRFPService::ReduceTimePrecisionAsMSecs( + GetDOMTiming()->GetDomContentLoadedEventEnd(), + mPerformance->GetRandomTimelineSeed(), + mPerformance->GetRTPCallerType()); + } + + DOMTimeMilliSec DomComplete() const { + if (!StaticPrefs::dom_enable_performance()) { + return 0; + } + return nsRFPService::ReduceTimePrecisionAsMSecs( + GetDOMTiming()->GetDomComplete(), mPerformance->GetRandomTimelineSeed(), + mPerformance->GetRTPCallerType()); + } + + DOMTimeMilliSec LoadEventStart() const { + if (!StaticPrefs::dom_enable_performance()) { + return 0; + } + return nsRFPService::ReduceTimePrecisionAsMSecs( + GetDOMTiming()->GetLoadEventStart(), + mPerformance->GetRandomTimelineSeed(), + mPerformance->GetRTPCallerType()); + } + + DOMTimeMilliSec LoadEventEnd() const { + if (!StaticPrefs::dom_enable_performance()) { + return 0; + } + return nsRFPService::ReduceTimePrecisionAsMSecs( + GetDOMTiming()->GetLoadEventEnd(), + mPerformance->GetRandomTimelineSeed(), + mPerformance->GetRTPCallerType()); + } + + DOMTimeMilliSec TimeToNonBlankPaint() const { + if (!StaticPrefs::dom_enable_performance()) { + return 0; + } + return nsRFPService::ReduceTimePrecisionAsMSecs( + GetDOMTiming()->GetTimeToNonBlankPaint(), + mPerformance->GetRandomTimelineSeed(), + mPerformance->GetRTPCallerType()); + } + + DOMTimeMilliSec TimeToContentfulPaint() const { + if (!StaticPrefs::dom_enable_performance()) { + return 0; + } + return nsRFPService::ReduceTimePrecisionAsMSecs( + GetDOMTiming()->GetTimeToContentfulComposite(), + mPerformance->GetRandomTimelineSeed(), + mPerformance->GetRTPCallerType()); + } + + DOMTimeMilliSec TimeToDOMContentFlushed() const { + if (!StaticPrefs::dom_enable_performance()) { + return 0; + } + return nsRFPService::ReduceTimePrecisionAsMSecs( + GetDOMTiming()->GetTimeToDOMContentFlushed(), + mPerformance->GetRandomTimelineSeed(), + mPerformance->GetRTPCallerType()); + } + + DOMTimeMilliSec TimeToFirstInteractive() const { + if (!StaticPrefs::dom_enable_performance()) { + return 0; + } + return nsRFPService::ReduceTimePrecisionAsMSecs( + GetDOMTiming()->GetTimeToTTFI(), mPerformance->GetRandomTimelineSeed(), + mPerformance->GetRTPCallerType()); + } + + PerformanceTimingData* Data() const { return mTimingData.get(); } + + private: + ~PerformanceTiming(); + + bool IsTopLevelContentDocument() const; + + RefPtr<Performance> mPerformance; + + UniquePtr<PerformanceTimingData> mTimingData; +}; + +} // namespace mozilla::dom + +namespace mozilla::ipc { + +template <> +struct IPDLParamTraits<mozilla::dom::PerformanceTimingData> { + using paramType = mozilla::dom::PerformanceTimingData; + static void Write(IPC::MessageWriter* aWriter, IProtocol* aActor, + const paramType& aParam) { + WriteIPDLParam(aWriter, aActor, aParam.mServerTiming); + WriteIPDLParam(aWriter, aActor, aParam.mNextHopProtocol); + WriteIPDLParam(aWriter, aActor, aParam.mAsyncOpen); + WriteIPDLParam(aWriter, aActor, aParam.mRedirectStart); + WriteIPDLParam(aWriter, aActor, aParam.mRedirectEnd); + WriteIPDLParam(aWriter, aActor, aParam.mDomainLookupStart); + WriteIPDLParam(aWriter, aActor, aParam.mDomainLookupEnd); + WriteIPDLParam(aWriter, aActor, aParam.mConnectStart); + WriteIPDLParam(aWriter, aActor, aParam.mSecureConnectionStart); + WriteIPDLParam(aWriter, aActor, aParam.mConnectEnd); + WriteIPDLParam(aWriter, aActor, aParam.mRequestStart); + WriteIPDLParam(aWriter, aActor, aParam.mResponseStart); + WriteIPDLParam(aWriter, aActor, aParam.mCacheReadStart); + WriteIPDLParam(aWriter, aActor, aParam.mResponseEnd); + WriteIPDLParam(aWriter, aActor, aParam.mCacheReadEnd); + WriteIPDLParam(aWriter, aActor, aParam.mWorkerStart); + WriteIPDLParam(aWriter, aActor, aParam.mWorkerRequestStart); + WriteIPDLParam(aWriter, aActor, aParam.mWorkerResponseEnd); + WriteIPDLParam(aWriter, aActor, aParam.mZeroTime); + WriteIPDLParam(aWriter, aActor, aParam.mFetchStart); + WriteIPDLParam(aWriter, aActor, aParam.mEncodedBodySize); + WriteIPDLParam(aWriter, aActor, aParam.mTransferSize); + WriteIPDLParam(aWriter, aActor, aParam.mDecodedBodySize); + WriteIPDLParam(aWriter, aActor, aParam.mRedirectCount); + WriteIPDLParam(aWriter, aActor, aParam.mAllRedirectsSameOrigin); + WriteIPDLParam(aWriter, aActor, aParam.mAllRedirectsPassTAO); + WriteIPDLParam(aWriter, aActor, aParam.mSecureConnection); + WriteIPDLParam(aWriter, aActor, aParam.mTimingAllowed); + WriteIPDLParam(aWriter, aActor, aParam.mInitialized); + } + + static bool Read(IPC::MessageReader* aReader, IProtocol* aActor, + paramType* aResult) { + if (!ReadIPDLParam(aReader, aActor, &aResult->mServerTiming)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mNextHopProtocol)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mAsyncOpen)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mRedirectStart)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mRedirectEnd)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mDomainLookupStart)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mDomainLookupEnd)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mConnectStart)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mSecureConnectionStart)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mConnectEnd)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mRequestStart)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mResponseStart)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mCacheReadStart)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mResponseEnd)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mCacheReadEnd)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mWorkerStart)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mWorkerRequestStart)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mWorkerResponseEnd)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mZeroTime)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mFetchStart)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mEncodedBodySize)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mTransferSize)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mDecodedBodySize)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mRedirectCount)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mAllRedirectsSameOrigin)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mAllRedirectsPassTAO)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mSecureConnection)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mTimingAllowed)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &aResult->mInitialized)) { + return false; + } + return true; + } +}; + +template <> +struct IPDLParamTraits<nsIServerTiming*> { + static void Write(IPC::MessageWriter* aWriter, IProtocol* aActor, + nsIServerTiming* aParam) { + nsAutoCString name; + Unused << aParam->GetName(name); + double duration = 0; + Unused << aParam->GetDuration(&duration); + nsAutoCString description; + Unused << aParam->GetDescription(description); + WriteIPDLParam(aWriter, aActor, name); + WriteIPDLParam(aWriter, aActor, duration); + WriteIPDLParam(aWriter, aActor, description); + } + + static bool Read(IPC::MessageReader* aReader, IProtocol* aActor, + RefPtr<nsIServerTiming>* aResult) { + nsAutoCString name; + double duration; + nsAutoCString description; + if (!ReadIPDLParam(aReader, aActor, &name)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &duration)) { + return false; + } + if (!ReadIPDLParam(aReader, aActor, &description)) { + return false; + } + + RefPtr<nsServerTiming> timing = new nsServerTiming(); + timing->SetName(name); + timing->SetDuration(duration); + timing->SetDescription(description); + *aResult = timing.forget(); + return true; + } +}; + +} // namespace mozilla::ipc + +#endif // mozilla_dom_PerformanceTiming_h |