forked from mirrors/gecko-dev
c1ed2ba64f
Backed out changeset eb8e5411868e (bug 1518999) Backed out changeset 0924e0169dcb (bug 1518999) Backed out changeset b7de245b329c (bug 1518999) Backed out changeset f2a6a3797ef1 (bug 1518999) Backed out changeset 123403a14312 (bug 1518999) Backed out changeset 1968b8ca14d7 (bug 1518999)
422 lines
14 KiB
C++
422 lines
14 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "PerformanceMainThread.h"
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#include "PerformanceNavigation.h"
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#include "mozilla/StaticPrefs_dom.h"
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#include "mozilla/StaticPrefs_privacy.h"
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namespace mozilla {
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namespace dom {
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namespace {
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void GetURLSpecFromChannel(nsITimedChannel* aChannel, nsAString& aSpec) {
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aSpec.AssignLiteral("document");
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nsCOMPtr<nsIChannel> channel = do_QueryInterface(aChannel);
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if (!channel) {
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return;
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}
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nsCOMPtr<nsIURI> uri;
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nsresult rv = channel->GetURI(getter_AddRefs(uri));
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if (NS_WARN_IF(NS_FAILED(rv)) || !uri) {
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return;
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}
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nsAutoCString spec;
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rv = uri->GetSpec(spec);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return;
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}
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aSpec = NS_ConvertUTF8toUTF16(spec);
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}
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} // namespace
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NS_IMPL_CYCLE_COLLECTION_CLASS(PerformanceMainThread)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(PerformanceMainThread,
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Performance)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mTiming, mNavigation, mDocEntry)
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tmp->mMozMemory = nullptr;
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mozilla::DropJSObjects(this);
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(PerformanceMainThread,
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Performance)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mTiming, mNavigation, mDocEntry)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(PerformanceMainThread,
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Performance)
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NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mMozMemory)
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NS_IMPL_CYCLE_COLLECTION_TRACE_END
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NS_IMPL_ADDREF_INHERITED(PerformanceMainThread, Performance)
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NS_IMPL_RELEASE_INHERITED(PerformanceMainThread, Performance)
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// QueryInterface implementation for PerformanceMainThread
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(PerformanceMainThread)
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NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END_INHERITING(Performance)
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PerformanceMainThread::PerformanceMainThread(nsPIDOMWindowInner* aWindow,
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nsDOMNavigationTiming* aDOMTiming,
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nsITimedChannel* aChannel,
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bool aPrincipal)
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: Performance(aWindow, aPrincipal),
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mDOMTiming(aDOMTiming),
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mChannel(aChannel),
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mCrossOriginIsolated(aWindow->AsGlobal()->CrossOriginIsolated()) {
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MOZ_ASSERT(aWindow, "Parent window object should be provided");
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CreateNavigationTimingEntry();
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}
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PerformanceMainThread::~PerformanceMainThread() {
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mozilla::DropJSObjects(this);
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}
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void PerformanceMainThread::GetMozMemory(JSContext* aCx,
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JS::MutableHandle<JSObject*> aObj) {
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if (!mMozMemory) {
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JS::Rooted<JSObject*> mozMemoryObj(aCx, JS_NewPlainObject(aCx));
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JS::Rooted<JSObject*> gcMemoryObj(aCx, js::gc::NewMemoryInfoObject(aCx));
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if (!mozMemoryObj || !gcMemoryObj) {
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MOZ_CRASH("out of memory creating performance.mozMemory");
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}
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if (!JS_DefineProperty(aCx, mozMemoryObj, "gc", gcMemoryObj,
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JSPROP_ENUMERATE)) {
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MOZ_CRASH("out of memory creating performance.mozMemory");
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}
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mMozMemory = mozMemoryObj;
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mozilla::HoldJSObjects(this);
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}
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aObj.set(mMozMemory);
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}
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PerformanceTiming* PerformanceMainThread::Timing() {
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if (!mTiming) {
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// For navigation timing, the third argument (an nsIHttpChannel) is null
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// since the cross-domain redirect were already checked. The last argument
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// (zero time) for performance.timing is the navigation start value.
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mTiming = new PerformanceTiming(this, mChannel, nullptr,
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mDOMTiming->GetNavigationStart());
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}
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return mTiming;
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}
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void PerformanceMainThread::DispatchBufferFullEvent() {
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RefPtr<Event> event = NS_NewDOMEvent(this, nullptr, nullptr);
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// it bubbles, and it isn't cancelable
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event->InitEvent(u"resourcetimingbufferfull"_ns, true, false);
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event->SetTrusted(true);
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DispatchEvent(*event);
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}
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PerformanceNavigation* PerformanceMainThread::Navigation() {
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if (!mNavigation) {
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mNavigation = new PerformanceNavigation(this);
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}
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return mNavigation;
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}
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/**
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* An entry should be added only after the resource is loaded.
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* This method is not thread safe and can only be called on the main thread.
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*/
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void PerformanceMainThread::AddEntry(nsIHttpChannel* channel,
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nsITimedChannel* timedChannel) {
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MOZ_ASSERT(NS_IsMainThread());
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nsAutoString initiatorType;
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nsAutoString entryName;
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UniquePtr<PerformanceTimingData> performanceTimingData(
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PerformanceTimingData::Create(timedChannel, channel, 0, initiatorType,
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entryName));
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if (!performanceTimingData) {
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return;
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}
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AddRawEntry(std::move(performanceTimingData), initiatorType, entryName);
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}
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void PerformanceMainThread::AddRawEntry(UniquePtr<PerformanceTimingData> aData,
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const nsAString& aInitiatorType,
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const nsAString& aEntryName) {
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// The PerformanceResourceTiming object will use the PerformanceTimingData
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// object to get all the required timings.
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auto entry =
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MakeRefPtr<PerformanceResourceTiming>(std::move(aData), this, aEntryName);
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entry->SetInitiatorType(aInitiatorType);
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InsertResourceEntry(entry);
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}
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// To be removed once bug 1124165 lands
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bool PerformanceMainThread::IsPerformanceTimingAttribute(
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const nsAString& aName) {
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// Note that toJSON is added to this list due to bug 1047848
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static const char* attributes[] = {"navigationStart",
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"unloadEventStart",
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"unloadEventEnd",
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"redirectStart",
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"redirectEnd",
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"fetchStart",
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"domainLookupStart",
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"domainLookupEnd",
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"connectStart",
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"secureConnectionStart",
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"connectEnd",
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"requestStart",
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"responseStart",
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"responseEnd",
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"domLoading",
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"domInteractive",
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"domContentLoadedEventStart",
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"domContentLoadedEventEnd",
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"domComplete",
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"loadEventStart",
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"loadEventEnd",
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nullptr};
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for (uint32_t i = 0; attributes[i]; ++i) {
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if (aName.EqualsASCII(attributes[i])) {
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return true;
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}
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}
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return false;
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}
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DOMHighResTimeStamp PerformanceMainThread::GetPerformanceTimingFromString(
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const nsAString& aProperty) {
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// ::Measure expects the values returned from this function to be passed
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// through ReduceTimePrecision already.
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if (!IsPerformanceTimingAttribute(aProperty)) {
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return 0;
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}
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// Values from Timing() are already reduced
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if (aProperty.EqualsLiteral("redirectStart")) {
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return Timing()->RedirectStart();
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}
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if (aProperty.EqualsLiteral("redirectEnd")) {
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return Timing()->RedirectEnd();
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}
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if (aProperty.EqualsLiteral("fetchStart")) {
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return Timing()->FetchStart();
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}
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if (aProperty.EqualsLiteral("domainLookupStart")) {
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return Timing()->DomainLookupStart();
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}
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if (aProperty.EqualsLiteral("domainLookupEnd")) {
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return Timing()->DomainLookupEnd();
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}
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if (aProperty.EqualsLiteral("connectStart")) {
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return Timing()->ConnectStart();
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}
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if (aProperty.EqualsLiteral("secureConnectionStart")) {
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return Timing()->SecureConnectionStart();
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}
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if (aProperty.EqualsLiteral("connectEnd")) {
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return Timing()->ConnectEnd();
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}
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if (aProperty.EqualsLiteral("requestStart")) {
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return Timing()->RequestStart();
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}
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if (aProperty.EqualsLiteral("responseStart")) {
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return Timing()->ResponseStart();
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}
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if (aProperty.EqualsLiteral("responseEnd")) {
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return Timing()->ResponseEnd();
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}
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// Values from GetDOMTiming() are not.
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DOMHighResTimeStamp retValue;
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if (aProperty.EqualsLiteral("navigationStart")) {
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// DOMHighResTimeStamp is in relation to navigationStart, so this will be
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// zero.
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retValue = GetDOMTiming()->GetNavigationStart();
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} else if (aProperty.EqualsLiteral("unloadEventStart")) {
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retValue = GetDOMTiming()->GetUnloadEventStart();
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} else if (aProperty.EqualsLiteral("unloadEventEnd")) {
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retValue = GetDOMTiming()->GetUnloadEventEnd();
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} else if (aProperty.EqualsLiteral("domLoading")) {
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retValue = GetDOMTiming()->GetDomLoading();
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} else if (aProperty.EqualsLiteral("domInteractive")) {
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retValue = GetDOMTiming()->GetDomInteractive();
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} else if (aProperty.EqualsLiteral("domContentLoadedEventStart")) {
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retValue = GetDOMTiming()->GetDomContentLoadedEventStart();
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} else if (aProperty.EqualsLiteral("domContentLoadedEventEnd")) {
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retValue = GetDOMTiming()->GetDomContentLoadedEventEnd();
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} else if (aProperty.EqualsLiteral("domComplete")) {
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retValue = GetDOMTiming()->GetDomComplete();
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} else if (aProperty.EqualsLiteral("loadEventStart")) {
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retValue = GetDOMTiming()->GetLoadEventStart();
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} else if (aProperty.EqualsLiteral("loadEventEnd")) {
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retValue = GetDOMTiming()->GetLoadEventEnd();
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} else {
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MOZ_CRASH(
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"IsPerformanceTimingAttribute and GetPerformanceTimingFromString are "
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"out "
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"of sync");
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}
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return nsRFPService::ReduceTimePrecisionAsMSecs(
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retValue, GetRandomTimelineSeed(), /* aIsSystemPrinciapl */ false,
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CrossOriginIsolated());
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}
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void PerformanceMainThread::InsertUserEntry(PerformanceEntry* aEntry) {
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MOZ_ASSERT(NS_IsMainThread());
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nsAutoCString uri;
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uint64_t markCreationEpoch = 0;
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if (StaticPrefs::dom_performance_enable_user_timing_logging() ||
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StaticPrefs::dom_performance_enable_notify_performance_timing()) {
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nsresult rv = NS_ERROR_FAILURE;
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nsCOMPtr<nsPIDOMWindowInner> owner = GetOwner();
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if (owner && owner->GetDocumentURI()) {
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rv = owner->GetDocumentURI()->GetHost(uri);
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}
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if (NS_FAILED(rv)) {
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// If we have no URI, just put in "none".
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uri.AssignLiteral("none");
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}
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markCreationEpoch = static_cast<uint64_t>(PR_Now() / PR_USEC_PER_MSEC);
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if (StaticPrefs::dom_performance_enable_user_timing_logging()) {
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Performance::LogEntry(aEntry, uri);
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}
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}
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if (StaticPrefs::dom_performance_enable_notify_performance_timing()) {
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TimingNotification(aEntry, uri, markCreationEpoch);
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}
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Performance::InsertUserEntry(aEntry);
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}
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TimeStamp PerformanceMainThread::CreationTimeStamp() const {
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return GetDOMTiming()->GetNavigationStartTimeStamp();
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}
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DOMHighResTimeStamp PerformanceMainThread::CreationTime() const {
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return GetDOMTiming()->GetNavigationStart();
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}
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void PerformanceMainThread::CreateNavigationTimingEntry() {
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MOZ_ASSERT(!mDocEntry, "mDocEntry should be null.");
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if (!StaticPrefs::dom_enable_performance_navigation_timing() ||
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StaticPrefs::privacy_resistFingerprinting()) {
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return;
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}
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nsAutoString name;
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GetURLSpecFromChannel(mChannel, name);
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UniquePtr<PerformanceTimingData> timing(
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new PerformanceTimingData(mChannel, nullptr, 0));
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nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface(mChannel);
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if (httpChannel) {
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timing->SetPropertiesFromHttpChannel(httpChannel, mChannel);
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}
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mDocEntry = new PerformanceNavigationTiming(std::move(timing), this, name);
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}
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void PerformanceMainThread::UpdateNavigationTimingEntry() {
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if (!mDocEntry) {
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return;
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}
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// Let's update some values.
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nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface(mChannel);
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if (httpChannel) {
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mDocEntry->UpdatePropertiesFromHttpChannel(httpChannel, mChannel);
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}
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}
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void PerformanceMainThread::QueueNavigationTimingEntry() {
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if (!mDocEntry) {
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return;
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}
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UpdateNavigationTimingEntry();
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QueueEntry(mDocEntry);
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}
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bool PerformanceMainThread::CrossOriginIsolated() const {
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return mCrossOriginIsolated;
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}
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void PerformanceMainThread::GetEntries(
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nsTArray<RefPtr<PerformanceEntry>>& aRetval) {
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// We return an empty list when 'privacy.resistFingerprinting' is on.
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if (nsContentUtils::ShouldResistFingerprinting()) {
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aRetval.Clear();
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return;
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}
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aRetval = mResourceEntries.Clone();
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aRetval.AppendElements(mUserEntries);
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if (mDocEntry) {
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aRetval.AppendElement(mDocEntry);
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}
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aRetval.Sort(PerformanceEntryComparator());
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}
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void PerformanceMainThread::GetEntriesByType(
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const nsAString& aEntryType, nsTArray<RefPtr<PerformanceEntry>>& aRetval) {
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// We return an empty list when 'privacy.resistFingerprinting' is on.
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if (nsContentUtils::ShouldResistFingerprinting()) {
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aRetval.Clear();
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return;
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}
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if (aEntryType.EqualsLiteral("navigation")) {
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aRetval.Clear();
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if (mDocEntry) {
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aRetval.AppendElement(mDocEntry);
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}
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return;
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}
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Performance::GetEntriesByType(aEntryType, aRetval);
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}
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void PerformanceMainThread::GetEntriesByName(
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const nsAString& aName, const Optional<nsAString>& aEntryType,
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nsTArray<RefPtr<PerformanceEntry>>& aRetval) {
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// We return an empty list when 'privacy.resistFingerprinting' is on.
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if (nsContentUtils::ShouldResistFingerprinting()) {
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aRetval.Clear();
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return;
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}
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Performance::GetEntriesByName(aName, aEntryType, aRetval);
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// The navigation entry is the first one. If it exists and the name matches,
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// let put it in front.
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if (mDocEntry && mDocEntry->GetName().Equals(aName)) {
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aRetval.InsertElementAt(0, mDocEntry);
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return;
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}
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}
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} // namespace dom
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} // namespace mozilla
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