dom/performance/PerformanceTiming.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_PerformanceTiming_h
   8 #define mozilla_dom_PerformanceTiming_h
   9
  10 #include "mozilla/Attributes.h"
  11 #include "mozilla/BasePrincipal.h"
  12 #include "mozilla/StaticPrefs_dom.h"
  13 #include "nsContentUtils.h"
  14 #include "nsDOMNavigationTiming.h"
  15 #include "nsRFPService.h"
  16 #include "nsWrapperCache.h"
  17 #include "Performance.h"
  18 #include "nsITimedChannel.h"
  19 #include "mozilla/dom/PerformanceTimingTypes.h"
  20 #include "mozilla/ipc/IPDLParamTraits.h"
  21 #include "ipc/IPCMessageUtils.h"
  22 #include "ipc/IPCMessageUtilsSpecializations.h"
  23 #include "mozilla/net/nsServerTiming.h"
  24
  25 class nsIHttpChannel;
  26
  27 namespace mozilla::dom {
  28
  29 class PerformanceTiming;
  30
  31 class PerformanceTimingData final {
  32   friend class PerformanceTiming;
  33   friend struct mozilla::ipc::IPDLParamTraits<
  34       mozilla::dom::PerformanceTimingData>;
  35
  36  public:
  37   PerformanceTimingData() = default;  // For deserialization
  38   // This can return null.
  39   static PerformanceTimingData* Create(nsITimedChannel* aChannel,
  40                                        nsIHttpChannel* aHttpChannel,
  41                                        DOMHighResTimeStamp aZeroTime,
  42                                        nsAString& aInitiatorType,
  43                                        nsAString& aEntryName);
  44
  45   PerformanceTimingData(nsITimedChannel* aChannel, nsIHttpChannel* aHttpChannel,
  46                         DOMHighResTimeStamp aZeroTime);
  47
  48   explicit PerformanceTimingData(const IPCPerformanceTimingData& aIPCData);
  49
  50   IPCPerformanceTimingData ToIPC();
  51
  52   void SetPropertiesFromHttpChannel(nsIHttpChannel* aHttpChannel,
  53                                     nsITimedChannel* aChannel);
  54
  55   bool IsInitialized() const { return mInitialized; }
  56
  57   const nsString& NextHopProtocol() const { return mNextHopProtocol; }
  58
  59   uint64_t TransferSize() const { return mTransferSize; }
  60
  61   uint64_t EncodedBodySize() const { return mEncodedBodySize; }
  62
  63   uint64_t DecodedBodySize() const { return mDecodedBodySize; }
  64
  65   /**
  66    * @param   aStamp
  67    *          The TimeStamp recorded for a specific event. This TimeStamp can
  68    *          be null.
  69    * @return  the duration of an event with a given TimeStamp, relative to the
  70    *          navigationStart TimeStamp (the moment the user landed on the
  71    *          page), if the given TimeStamp is valid. Otherwise, it will return
  72    *          the FetchStart timing value.
  73    */
  74   inline DOMHighResTimeStamp TimeStampToReducedDOMHighResOrFetchStart(
  75       Performance* aPerformance, TimeStamp aStamp) {
  76     MOZ_ASSERT(aPerformance);
  77
  78     if (aStamp.IsNull()) {
  79       return FetchStartHighRes(aPerformance);
  80     }
  81
  82     DOMHighResTimeStamp rawTimestamp =
  83         TimeStampToDOMHighRes(aPerformance, aStamp);
  84
  85     return nsRFPService::ReduceTimePrecisionAsMSecs(
  86         rawTimestamp, aPerformance->GetRandomTimelineSeed(),
  87         aPerformance->IsSystemPrincipal(), aPerformance->CrossOriginIsolated());
  88   }
  89
  90   /**
  91    * The nsITimedChannel records an absolute timestamp for each event.
  92    * The nsDOMNavigationTiming will record the moment when the user landed on
  93    * the page. This is a window.performance unique timestamp, so it can be used
  94    * for all the events (navigation timing and resource timing events).
  95    *
  96    * The algorithm operates in 2 steps:
  97    * 1. The first step is to subtract the two timestamps: the argument (the
  98    * event's timestamp) and the navigation start timestamp. This will result in
  99    * a relative timestamp of the event (relative to the navigation start -
 100    * window.performance.timing.navigationStart).
 101    * 2. The second step is to add any required offset (the mZeroTime). For now,
 102    * this offset value is either 0 (for the resource timing), or equal to
 103    * "performance.navigationStart" (for navigation timing).
 104    * For the resource timing, mZeroTime is set to 0, causing the result to be a
 105    * relative time.
 106    * For the navigation timing, mZeroTime is set to
 107    * "performance.navigationStart" causing the result be an absolute time.
 108    *
 109    * @param   aStamp
 110    *          The TimeStamp recorded for a specific event. This TimeStamp can't
 111    *          be null.
 112    * @return  number of milliseconds value as one of:
 113    * - relative to the navigation start time, time the user has landed on the
 114    *   page
 115    * - an absolute wall clock time since the unix epoch
 116    */
 117   inline DOMHighResTimeStamp TimeStampToDOMHighRes(Performance* aPerformance,
 118                                                    TimeStamp aStamp) const {
 119     MOZ_ASSERT(aPerformance);
 120     MOZ_ASSERT(!aStamp.IsNull());
 121
 122     TimeDuration duration = aStamp - aPerformance->CreationTimeStamp();
 123     return duration.ToMilliseconds() + mZeroTime;
 124   }
 125
 126   // The last channel's AsyncOpen time.  This may occur before the FetchStart
 127   // in some cases.
 128   DOMHighResTimeStamp AsyncOpenHighRes(Performance* aPerformance);
 129
 130   // High resolution (used by resource timing)
 131   DOMHighResTimeStamp WorkerStartHighRes(Performance* aPerformance);
 132   DOMHighResTimeStamp FetchStartHighRes(Performance* aPerformance);
 133   DOMHighResTimeStamp RedirectStartHighRes(Performance* aPerformance);
 134   DOMHighResTimeStamp RedirectEndHighRes(Performance* aPerformance);
 135   DOMHighResTimeStamp DomainLookupStartHighRes(Performance* aPerformance);
 136   DOMHighResTimeStamp DomainLookupEndHighRes(Performance* aPerformance);
 137   DOMHighResTimeStamp ConnectStartHighRes(Performance* aPerformance);
 138   DOMHighResTimeStamp SecureConnectionStartHighRes(Performance* aPerformance);
 139   DOMHighResTimeStamp ConnectEndHighRes(Performance* aPerformance);
 140   DOMHighResTimeStamp RequestStartHighRes(Performance* aPerformance);
 141   DOMHighResTimeStamp ResponseStartHighRes(Performance* aPerformance);
 142   DOMHighResTimeStamp ResponseEndHighRes(Performance* aPerformance);
 143
 144   DOMHighResTimeStamp ZeroTime() const { return mZeroTime; }
 145
 146   uint8_t RedirectCountReal() const { return mRedirectCount; }
 147   uint8_t GetRedirectCount() const;
 148
 149   bool AllRedirectsSameOrigin() const { return mAllRedirectsSameOrigin; }
 150
 151   // If this is false the values of redirectStart/End will be 0 This is false if
 152   // no redirects occured, or if any of the responses failed the
 153   // timing-allow-origin check in HttpBaseChannel::TimingAllowCheck
 154   //
 155   // If aEnsureSameOriginAndIgnoreTAO is false, it checks if all redirects pass
 156   // TAO. When it is true, it checks if all redirects are same-origin and
 157   // ignores the result of TAO.
 158   bool ShouldReportCrossOriginRedirect(
 159       bool aEnsureSameOriginAndIgnoreTAO) const;
 160
 161   // Cached result of CheckAllowedOrigin. If false, security sensitive
 162   // attributes of the resourceTiming object will be set to 0
 163   bool TimingAllowed() const { return mTimingAllowed; }
 164
 165   nsTArray<nsCOMPtr<nsIServerTiming>> GetServerTiming();
 166
 167  private:
 168   // Checks if the resource is either same origin as the page that started
 169   // the load, or if the response contains the Timing-Allow-Origin header
 170   // with a value of * or matching the domain of the loading Principal
 171   bool CheckAllowedOrigin(nsIHttpChannel* aResourceChannel,
 172                           nsITimedChannel* aChannel);
 173
 174   nsTArray<nsCOMPtr<nsIServerTiming>> mServerTiming;
 175   nsString mNextHopProtocol;
 176
 177   TimeStamp mAsyncOpen;
 178   TimeStamp mRedirectStart;
 179   TimeStamp mRedirectEnd;
 180   TimeStamp mDomainLookupStart;
 181   TimeStamp mDomainLookupEnd;
 182   TimeStamp mConnectStart;
 183   TimeStamp mSecureConnectionStart;
 184   TimeStamp mConnectEnd;
 185   TimeStamp mRequestStart;
 186   TimeStamp mResponseStart;
 187   TimeStamp mCacheReadStart;
 188   TimeStamp mResponseEnd;
 189   TimeStamp mCacheReadEnd;
 190
 191   // ServiceWorker interception timing information
 192   TimeStamp mWorkerStart;
 193   TimeStamp mWorkerRequestStart;
 194   TimeStamp mWorkerResponseEnd;
 195
 196   // This is an offset that will be added to each timing ([ms] resolution).
 197   // There are only 2 possible values: (1) logicaly equal to navigationStart
 198   // TimeStamp (results are absolute timstamps - wallclock); (2) "0" (results
 199   // are relative to the navigation start).
 200   DOMHighResTimeStamp mZeroTime = 0;
 201
 202   DOMHighResTimeStamp mFetchStart = 0;
 203
 204   uint64_t mEncodedBodySize = 0;
 205   uint64_t mTransferSize = 0;
 206   uint64_t mDecodedBodySize = 0;
 207
 208   uint8_t mRedirectCount = 0;
 209
 210   bool mAllRedirectsSameOrigin = false;
 211
 212   bool mAllRedirectsPassTAO = false;
 213
 214   bool mSecureConnection = false;
 215
 216   bool mTimingAllowed = false;
 217
 218   bool mInitialized = false;
 219 };
 220
 221 // Script "performance.timing" object
 222 class PerformanceTiming final : public nsWrapperCache {
 223  public:
 224   /**
 225    * @param   aPerformance
 226    *          The performance object (the JS parent).
 227    *          This will allow access to "window.performance.timing" attribute
 228    * for the navigation timing (can't be null).
 229    * @param   aChannel
 230    *          An nsITimedChannel used to gather all the networking timings by
 231    * both the navigation timing and the resource timing (can't be null).
 232    * @param   aHttpChannel
 233    *          An nsIHttpChannel (the resource's http channel).
 234    *          This will be used by the resource timing cross-domain check
 235    *          algorithm.
 236    *          Argument is null for the navigation timing (navigation timing uses
 237    *          another algorithm for the cross-domain redirects).
 238    * @param   aZeroTime
 239    *          The offset that will be added to the timestamp of each event. This
 240    *          argument should be equal to performance.navigationStart for
 241    *          navigation timing and "0" for the resource timing.
 242    */
 243   PerformanceTiming(Performance* aPerformance, nsITimedChannel* aChannel,
 244                     nsIHttpChannel* aHttpChannel,
 245                     DOMHighResTimeStamp aZeroTime);
 246   NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(PerformanceTiming)
 247   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(PerformanceTiming)
 248
 249   nsDOMNavigationTiming* GetDOMTiming() const {
 250     return mPerformance->GetDOMTiming();
 251   }
 252
 253   Performance* GetParentObject() const { return mPerformance; }
 254
 255   virtual JSObject* WrapObject(JSContext* cx,
 256                                JS::Handle<JSObject*> aGivenProto) override;
 257
 258   // PerformanceNavigation WebIDL methods
 259   DOMTimeMilliSec NavigationStart() const {
 260     if (!StaticPrefs::dom_enable_performance()) {
 261       return 0;
 262     }
 263     return nsRFPService::ReduceTimePrecisionAsMSecs(
 264         GetDOMTiming()->GetNavigationStart(),
 265         mPerformance->GetRandomTimelineSeed(),
 266         mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
 267   }
 268
 269   DOMTimeMilliSec UnloadEventStart() {
 270     if (!StaticPrefs::dom_enable_performance()) {
 271       return 0;
 272     }
 273     return nsRFPService::ReduceTimePrecisionAsMSecs(
 274         GetDOMTiming()->GetUnloadEventStart(),
 275         mPerformance->GetRandomTimelineSeed(),
 276         mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
 277   }
 278
 279   DOMTimeMilliSec UnloadEventEnd() {
 280     if (!StaticPrefs::dom_enable_performance()) {
 281       return 0;
 282     }
 283     return nsRFPService::ReduceTimePrecisionAsMSecs(
 284         GetDOMTiming()->GetUnloadEventEnd(),
 285         mPerformance->GetRandomTimelineSeed(),
 286         mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
 287   }
 288
 289   // Low resolution (used by navigation timing)
 290   DOMTimeMilliSec FetchStart();
 291   DOMTimeMilliSec RedirectStart();
 292   DOMTimeMilliSec RedirectEnd();
 293   DOMTimeMilliSec DomainLookupStart();
 294   DOMTimeMilliSec DomainLookupEnd();
 295   DOMTimeMilliSec ConnectStart();
 296   DOMTimeMilliSec SecureConnectionStart();
 297   DOMTimeMilliSec ConnectEnd();
 298   DOMTimeMilliSec RequestStart();
 299   DOMTimeMilliSec ResponseStart();
 300   DOMTimeMilliSec ResponseEnd();
 301
 302   DOMTimeMilliSec DomLoading() {
 303     if (!StaticPrefs::dom_enable_performance()) {
 304       return 0;
 305     }
 306     return nsRFPService::ReduceTimePrecisionAsMSecs(
 307         GetDOMTiming()->GetDomLoading(), mPerformance->GetRandomTimelineSeed(),
 308         mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
 309   }
 310
 311   DOMTimeMilliSec DomInteractive() const {
 312     if (!StaticPrefs::dom_enable_performance()) {
 313       return 0;
 314     }
 315     return nsRFPService::ReduceTimePrecisionAsMSecs(
 316         GetDOMTiming()->GetDomInteractive(),
 317         mPerformance->GetRandomTimelineSeed(),
 318         mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
 319   }
 320
 321   DOMTimeMilliSec DomContentLoadedEventStart() const {
 322     if (!StaticPrefs::dom_enable_performance()) {
 323       return 0;
 324     }
 325     return nsRFPService::ReduceTimePrecisionAsMSecs(
 326         GetDOMTiming()->GetDomContentLoadedEventStart(),
 327         mPerformance->GetRandomTimelineSeed(),
 328         mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
 329   }
 330
 331   DOMTimeMilliSec DomContentLoadedEventEnd() const {
 332     if (!StaticPrefs::dom_enable_performance()) {
 333       return 0;
 334     }
 335     return nsRFPService::ReduceTimePrecisionAsMSecs(
 336         GetDOMTiming()->GetDomContentLoadedEventEnd(),
 337         mPerformance->GetRandomTimelineSeed(),
 338         mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
 339   }
 340
 341   DOMTimeMilliSec DomComplete() const {
 342     if (!StaticPrefs::dom_enable_performance()) {
 343       return 0;
 344     }
 345     return nsRFPService::ReduceTimePrecisionAsMSecs(
 346         GetDOMTiming()->GetDomComplete(), mPerformance->GetRandomTimelineSeed(),
 347         mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
 348   }
 349
 350   DOMTimeMilliSec LoadEventStart() const {
 351     if (!StaticPrefs::dom_enable_performance()) {
 352       return 0;
 353     }
 354     return nsRFPService::ReduceTimePrecisionAsMSecs(
 355         GetDOMTiming()->GetLoadEventStart(),
 356         mPerformance->GetRandomTimelineSeed(),
 357         mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
 358   }
 359
 360   DOMTimeMilliSec LoadEventEnd() const {
 361     if (!StaticPrefs::dom_enable_performance()) {
 362       return 0;
 363     }
 364     return nsRFPService::ReduceTimePrecisionAsMSecs(
 365         GetDOMTiming()->GetLoadEventEnd(),
 366         mPerformance->GetRandomTimelineSeed(),
 367         mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
 368   }
 369
 370   DOMTimeMilliSec TimeToNonBlankPaint() const {
 371     if (!StaticPrefs::dom_enable_performance()) {
 372       return 0;
 373     }
 374     return nsRFPService::ReduceTimePrecisionAsMSecs(
 375         GetDOMTiming()->GetTimeToNonBlankPaint(),
 376         mPerformance->GetRandomTimelineSeed(),
 377         mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
 378   }
 379
 380   DOMTimeMilliSec TimeToContentfulPaint() const {
 381     if (!StaticPrefs::dom_enable_performance()) {
 382       return 0;
 383     }
 384     return nsRFPService::ReduceTimePrecisionAsMSecs(
 385         GetDOMTiming()->GetTimeToContentfulComposite(),
 386         mPerformance->GetRandomTimelineSeed(),
 387         mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
 388   }
 389
 390   DOMTimeMilliSec TimeToDOMContentFlushed() const {
 391     if (!StaticPrefs::dom_enable_performance()) {
 392       return 0;
 393     }
 394     return nsRFPService::ReduceTimePrecisionAsMSecs(
 395         GetDOMTiming()->GetTimeToDOMContentFlushed(),
 396         mPerformance->GetRandomTimelineSeed(),
 397         mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
 398   }
 399
 400   DOMTimeMilliSec TimeToFirstInteractive() const {
 401     if (!StaticPrefs::dom_enable_performance()) {
 402       return 0;
 403     }
 404     return nsRFPService::ReduceTimePrecisionAsMSecs(
 405         GetDOMTiming()->GetTimeToTTFI(), mPerformance->GetRandomTimelineSeed(),
 406         mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
 407   }
 408
 409   PerformanceTimingData* Data() const { return mTimingData.get(); }
 410
 411  private:
 412   ~PerformanceTiming();
 413
 414   bool IsTopLevelContentDocument() const;
 415
 416   RefPtr<Performance> mPerformance;
 417
 418   UniquePtr<PerformanceTimingData> mTimingData;
 419 };
 420
 421 }  // namespace mozilla::dom
 422
 423 namespace mozilla::ipc {
 424
 425 template <>
 426 struct IPDLParamTraits<mozilla::dom::PerformanceTimingData> {
 427   using paramType = mozilla::dom::PerformanceTimingData;
 428   static void Write(IPC::MessageWriter* aWriter, IProtocol* aActor,
 429                     const paramType& aParam) {
 430     WriteIPDLParam(aWriter, aActor, aParam.mServerTiming);
 431     WriteIPDLParam(aWriter, aActor, aParam.mNextHopProtocol);
 432     WriteIPDLParam(aWriter, aActor, aParam.mAsyncOpen);
 433     WriteIPDLParam(aWriter, aActor, aParam.mRedirectStart);
 434     WriteIPDLParam(aWriter, aActor, aParam.mRedirectEnd);
 435     WriteIPDLParam(aWriter, aActor, aParam.mDomainLookupStart);
 436     WriteIPDLParam(aWriter, aActor, aParam.mDomainLookupEnd);
 437     WriteIPDLParam(aWriter, aActor, aParam.mConnectStart);
 438     WriteIPDLParam(aWriter, aActor, aParam.mSecureConnectionStart);
 439     WriteIPDLParam(aWriter, aActor, aParam.mConnectEnd);
 440     WriteIPDLParam(aWriter, aActor, aParam.mRequestStart);
 441     WriteIPDLParam(aWriter, aActor, aParam.mResponseStart);
 442     WriteIPDLParam(aWriter, aActor, aParam.mCacheReadStart);
 443     WriteIPDLParam(aWriter, aActor, aParam.mResponseEnd);
 444     WriteIPDLParam(aWriter, aActor, aParam.mCacheReadEnd);
 445     WriteIPDLParam(aWriter, aActor, aParam.mWorkerStart);
 446     WriteIPDLParam(aWriter, aActor, aParam.mWorkerRequestStart);
 447     WriteIPDLParam(aWriter, aActor, aParam.mWorkerResponseEnd);
 448     WriteIPDLParam(aWriter, aActor, aParam.mZeroTime);
 449     WriteIPDLParam(aWriter, aActor, aParam.mFetchStart);
 450     WriteIPDLParam(aWriter, aActor, aParam.mEncodedBodySize);
 451     WriteIPDLParam(aWriter, aActor, aParam.mTransferSize);
 452     WriteIPDLParam(aWriter, aActor, aParam.mDecodedBodySize);
 453     WriteIPDLParam(aWriter, aActor, aParam.mRedirectCount);
 454     WriteIPDLParam(aWriter, aActor, aParam.mAllRedirectsSameOrigin);
 455     WriteIPDLParam(aWriter, aActor, aParam.mAllRedirectsPassTAO);
 456     WriteIPDLParam(aWriter, aActor, aParam.mSecureConnection);
 457     WriteIPDLParam(aWriter, aActor, aParam.mTimingAllowed);
 458     WriteIPDLParam(aWriter, aActor, aParam.mInitialized);
 459   }
 460
 461   static bool Read(IPC::MessageReader* aReader, IProtocol* aActor,
 462                    paramType* aResult) {
 463     if (!ReadIPDLParam(aReader, aActor, &aResult->mServerTiming)) {
 464       return false;
 465     }
 466     if (!ReadIPDLParam(aReader, aActor, &aResult->mNextHopProtocol)) {
 467       return false;
 468     }
 469     if (!ReadIPDLParam(aReader, aActor, &aResult->mAsyncOpen)) {
 470       return false;
 471     }
 472     if (!ReadIPDLParam(aReader, aActor, &aResult->mRedirectStart)) {
 473       return false;
 474     }
 475     if (!ReadIPDLParam(aReader, aActor, &aResult->mRedirectEnd)) {
 476       return false;
 477     }
 478     if (!ReadIPDLParam(aReader, aActor, &aResult->mDomainLookupStart)) {
 479       return false;
 480     }
 481     if (!ReadIPDLParam(aReader, aActor, &aResult->mDomainLookupEnd)) {
 482       return false;
 483     }
 484     if (!ReadIPDLParam(aReader, aActor, &aResult->mConnectStart)) {
 485       return false;
 486     }
 487     if (!ReadIPDLParam(aReader, aActor, &aResult->mSecureConnectionStart)) {
 488       return false;
 489     }
 490     if (!ReadIPDLParam(aReader, aActor, &aResult->mConnectEnd)) {
 491       return false;
 492     }
 493     if (!ReadIPDLParam(aReader, aActor, &aResult->mRequestStart)) {
 494       return false;
 495     }
 496     if (!ReadIPDLParam(aReader, aActor, &aResult->mResponseStart)) {
 497       return false;
 498     }
 499     if (!ReadIPDLParam(aReader, aActor, &aResult->mCacheReadStart)) {
 500       return false;
 501     }
 502     if (!ReadIPDLParam(aReader, aActor, &aResult->mResponseEnd)) {
 503       return false;
 504     }
 505     if (!ReadIPDLParam(aReader, aActor, &aResult->mCacheReadEnd)) {
 506       return false;
 507     }
 508     if (!ReadIPDLParam(aReader, aActor, &aResult->mWorkerStart)) {
 509       return false;
 510     }
 511     if (!ReadIPDLParam(aReader, aActor, &aResult->mWorkerRequestStart)) {
 512       return false;
 513     }
 514     if (!ReadIPDLParam(aReader, aActor, &aResult->mWorkerResponseEnd)) {
 515       return false;
 516     }
 517     if (!ReadIPDLParam(aReader, aActor, &aResult->mZeroTime)) {
 518       return false;
 519     }
 520     if (!ReadIPDLParam(aReader, aActor, &aResult->mFetchStart)) {
 521       return false;
 522     }
 523     if (!ReadIPDLParam(aReader, aActor, &aResult->mEncodedBodySize)) {
 524       return false;
 525     }
 526     if (!ReadIPDLParam(aReader, aActor, &aResult->mTransferSize)) {
 527       return false;
 528     }
 529     if (!ReadIPDLParam(aReader, aActor, &aResult->mDecodedBodySize)) {
 530       return false;
 531     }
 532     if (!ReadIPDLParam(aReader, aActor, &aResult->mRedirectCount)) {
 533       return false;
 534     }
 535     if (!ReadIPDLParam(aReader, aActor, &aResult->mAllRedirectsSameOrigin)) {
 536       return false;
 537     }
 538     if (!ReadIPDLParam(aReader, aActor, &aResult->mAllRedirectsPassTAO)) {
 539       return false;
 540     }
 541     if (!ReadIPDLParam(aReader, aActor, &aResult->mSecureConnection)) {
 542       return false;
 543     }
 544     if (!ReadIPDLParam(aReader, aActor, &aResult->mTimingAllowed)) {
 545       return false;
 546     }
 547     if (!ReadIPDLParam(aReader, aActor, &aResult->mInitialized)) {
 548       return false;
 549     }
 550     return true;
 551   }
 552 };
 553
 554 template <>
 555 struct IPDLParamTraits<nsIServerTiming*> {
 556   static void Write(IPC::MessageWriter* aWriter, IProtocol* aActor,
 557                     nsIServerTiming* aParam) {
 558     nsAutoCString name;
 559     Unused << aParam->GetName(name);
 560     double duration = 0;
 561     Unused << aParam->GetDuration(&duration);
 562     nsAutoCString description;
 563     Unused << aParam->GetDescription(description);
 564     WriteIPDLParam(aWriter, aActor, name);
 565     WriteIPDLParam(aWriter, aActor, duration);
 566     WriteIPDLParam(aWriter, aActor, description);
 567   }
 568
 569   static bool Read(IPC::MessageReader* aReader, IProtocol* aActor,
 570                    RefPtr<nsIServerTiming>* aResult) {
 571     nsAutoCString name;
 572     double duration;
 573     nsAutoCString description;
 574     if (!ReadIPDLParam(aReader, aActor, &name)) {
 575       return false;
 576     }
 577     if (!ReadIPDLParam(aReader, aActor, &duration)) {
 578       return false;
 579     }
 580     if (!ReadIPDLParam(aReader, aActor, &description)) {
 581       return false;
 582     }
 583
 584     RefPtr<nsServerTiming> timing = new nsServerTiming();
 585     timing->SetName(name);
 586     timing->SetDuration(duration);
 587     timing->SetDescription(description);
 588     *aResult = timing.forget();
 589     return true;
 590   }
 591 };
 592
 593 }  // namespace mozilla::ipc
 594
 595 #endif  // mozilla_dom_PerformanceTiming_h