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1 /* | |
2 * Copyright (C) 2010 Google Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions are | |
6 * met: | |
7 * | |
8 * * Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * * Redistributions in binary form must reproduce the above | |
11 * copyright notice, this list of conditions and the following disclaimer | |
12 * in the documentation and/or other materials provided with the | |
13 * distribution. | |
14 * * Neither the name of Google Inc. nor the names of its | |
15 * contributors may be used to endorse or promote products derived from | |
16 * this software without specific prior written permission. | |
17 * | |
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
29 */ | |
30 | |
31 #include "config.h" | |
32 #include "core/page/PerformanceTiming.h" | |
33 | |
34 #include "core/dom/Document.h" | |
35 #include "core/dom/DocumentTiming.h" | |
36 #include "core/loader/DocumentLoadTiming.h" | |
37 #include "core/loader/DocumentLoader.h" | |
38 #include "core/loader/FrameLoader.h" | |
39 #include "core/page/Frame.h" | |
40 #include "core/platform/network/ResourceLoadTiming.h" | |
41 #include "core/platform/network/ResourceResponse.h" | |
42 | |
43 namespace WebCore { | |
44 | |
45 static unsigned long long toIntegerMilliseconds(double seconds) | |
46 { | |
47 ASSERT(seconds >= 0); | |
48 return static_cast<unsigned long long>(seconds * 1000.0); | |
49 } | |
50 | |
51 PerformanceTiming::PerformanceTiming(Frame* frame) | |
52 : DOMWindowProperty(frame) | |
53 { | |
54 ScriptWrappable::init(this); | |
55 } | |
56 | |
57 unsigned long long PerformanceTiming::navigationStart() const | |
58 { | |
59 DocumentLoadTiming* timing = documentLoadTiming(); | |
60 if (!timing) | |
61 return 0; | |
62 | |
63 return monotonicTimeToIntegerMilliseconds(timing->navigationStart()); | |
64 } | |
65 | |
66 unsigned long long PerformanceTiming::unloadEventStart() const | |
67 { | |
68 DocumentLoadTiming* timing = documentLoadTiming(); | |
69 if (!timing) | |
70 return 0; | |
71 | |
72 if (timing->hasCrossOriginRedirect() || !timing->hasSameOriginAsPreviousDocu
ment()) | |
73 return 0; | |
74 | |
75 return monotonicTimeToIntegerMilliseconds(timing->unloadEventStart()); | |
76 } | |
77 | |
78 unsigned long long PerformanceTiming::unloadEventEnd() const | |
79 { | |
80 DocumentLoadTiming* timing = documentLoadTiming(); | |
81 if (!timing) | |
82 return 0; | |
83 | |
84 if (timing->hasCrossOriginRedirect() || !timing->hasSameOriginAsPreviousDocu
ment()) | |
85 return 0; | |
86 | |
87 return monotonicTimeToIntegerMilliseconds(timing->unloadEventEnd()); | |
88 } | |
89 | |
90 unsigned long long PerformanceTiming::redirectStart() const | |
91 { | |
92 DocumentLoadTiming* timing = documentLoadTiming(); | |
93 if (!timing) | |
94 return 0; | |
95 | |
96 if (timing->hasCrossOriginRedirect()) | |
97 return 0; | |
98 | |
99 return monotonicTimeToIntegerMilliseconds(timing->redirectStart()); | |
100 } | |
101 | |
102 unsigned long long PerformanceTiming::redirectEnd() const | |
103 { | |
104 DocumentLoadTiming* timing = documentLoadTiming(); | |
105 if (!timing) | |
106 return 0; | |
107 | |
108 if (timing->hasCrossOriginRedirect()) | |
109 return 0; | |
110 | |
111 return monotonicTimeToIntegerMilliseconds(timing->redirectEnd()); | |
112 } | |
113 | |
114 unsigned long long PerformanceTiming::fetchStart() const | |
115 { | |
116 DocumentLoadTiming* timing = documentLoadTiming(); | |
117 if (!timing) | |
118 return 0; | |
119 | |
120 return monotonicTimeToIntegerMilliseconds(timing->fetchStart()); | |
121 } | |
122 | |
123 unsigned long long PerformanceTiming::domainLookupStart() const | |
124 { | |
125 ResourceLoadTiming* timing = resourceLoadTiming(); | |
126 if (!timing) | |
127 return fetchStart(); | |
128 | |
129 // This will be zero when a DNS request is not performed. | |
130 // Rather than exposing a special value that indicates no DNS, we "backfill"
with fetchStart. | |
131 double dnsStart = timing->dnsStart; | |
132 if (dnsStart == 0.0) | |
133 return fetchStart(); | |
134 | |
135 return monotonicTimeToIntegerMilliseconds(dnsStart); | |
136 } | |
137 | |
138 unsigned long long PerformanceTiming::domainLookupEnd() const | |
139 { | |
140 ResourceLoadTiming* timing = resourceLoadTiming(); | |
141 if (!timing) | |
142 return domainLookupStart(); | |
143 | |
144 // This will be zero when a DNS request is not performed. | |
145 // Rather than exposing a special value that indicates no DNS, we "backfill"
with domainLookupStart. | |
146 double dnsEnd = timing->dnsEnd; | |
147 if (dnsEnd == 0.0) | |
148 return domainLookupStart(); | |
149 | |
150 return monotonicTimeToIntegerMilliseconds(dnsEnd); | |
151 } | |
152 | |
153 unsigned long long PerformanceTiming::connectStart() const | |
154 { | |
155 DocumentLoader* loader = documentLoader(); | |
156 if (!loader) | |
157 return domainLookupEnd(); | |
158 | |
159 ResourceLoadTiming* timing = loader->response().resourceLoadTiming(); | |
160 if (!timing) | |
161 return domainLookupEnd(); | |
162 | |
163 // connectStart will be zero when a network request is not made. | |
164 // Rather than exposing a special value that indicates no new connection, we
"backfill" with domainLookupEnd. | |
165 double connectStart = timing->connectStart; | |
166 if (connectStart == 0.0 || loader->response().connectionReused()) | |
167 return domainLookupEnd(); | |
168 | |
169 // ResourceLoadTiming's connect phase includes DNS, however Navigation Timin
g's | |
170 // connect phase should not. So if there is DNS time, trim it from the start
. | |
171 if (timing->dnsEnd > 0.0 && timing->dnsEnd > connectStart) | |
172 connectStart = timing->dnsEnd; | |
173 | |
174 return monotonicTimeToIntegerMilliseconds(connectStart); | |
175 } | |
176 | |
177 unsigned long long PerformanceTiming::connectEnd() const | |
178 { | |
179 DocumentLoader* loader = documentLoader(); | |
180 if (!loader) | |
181 return connectStart(); | |
182 | |
183 ResourceLoadTiming* timing = loader->response().resourceLoadTiming(); | |
184 if (!timing) | |
185 return connectStart(); | |
186 | |
187 // connectEnd will be zero when a network request is not made. | |
188 // Rather than exposing a special value that indicates no new connection, we
"backfill" with connectStart. | |
189 double connectEnd = timing->connectEnd; | |
190 if (connectEnd == 0.0 || loader->response().connectionReused()) | |
191 return connectStart(); | |
192 | |
193 return monotonicTimeToIntegerMilliseconds(connectEnd); | |
194 } | |
195 | |
196 unsigned long long PerformanceTiming::secureConnectionStart() const | |
197 { | |
198 DocumentLoader* loader = documentLoader(); | |
199 if (!loader) | |
200 return 0; | |
201 | |
202 ResourceLoadTiming* timing = loader->response().resourceLoadTiming(); | |
203 if (!timing) | |
204 return 0; | |
205 | |
206 double sslStart = timing->sslStart; | |
207 if (sslStart == 0.0) | |
208 return 0; | |
209 | |
210 return monotonicTimeToIntegerMilliseconds(sslStart); | |
211 } | |
212 | |
213 unsigned long long PerformanceTiming::requestStart() const | |
214 { | |
215 ResourceLoadTiming* timing = resourceLoadTiming(); | |
216 | |
217 if (!timing || timing->sendStart == 0.0) | |
218 return connectEnd(); | |
219 | |
220 return monotonicTimeToIntegerMilliseconds(timing->sendStart); | |
221 } | |
222 | |
223 unsigned long long PerformanceTiming::responseStart() const | |
224 { | |
225 ResourceLoadTiming* timing = resourceLoadTiming(); | |
226 if (!timing || timing->receiveHeadersEnd == 0.0) | |
227 return requestStart(); | |
228 | |
229 // FIXME: Response start needs to be the time of the first received byte. | |
230 // However, the ResourceLoadTiming API currently only supports the time | |
231 // the last header byte was received. For many responses with reasonable | |
232 // sized cookies, the HTTP headers fit into a single packet so this time | |
233 // is basically equivalent. But for some responses, particularly those with | |
234 // headers larger than a single packet, this time will be too late. | |
235 return monotonicTimeToIntegerMilliseconds(timing->receiveHeadersEnd); | |
236 } | |
237 | |
238 unsigned long long PerformanceTiming::responseEnd() const | |
239 { | |
240 DocumentLoadTiming* timing = documentLoadTiming(); | |
241 if (!timing) | |
242 return 0; | |
243 | |
244 return monotonicTimeToIntegerMilliseconds(timing->responseEnd()); | |
245 } | |
246 | |
247 unsigned long long PerformanceTiming::domLoading() const | |
248 { | |
249 const DocumentTiming* timing = documentTiming(); | |
250 if (!timing) | |
251 return fetchStart(); | |
252 | |
253 return monotonicTimeToIntegerMilliseconds(timing->domLoading); | |
254 } | |
255 | |
256 unsigned long long PerformanceTiming::domInteractive() const | |
257 { | |
258 const DocumentTiming* timing = documentTiming(); | |
259 if (!timing) | |
260 return 0; | |
261 | |
262 return monotonicTimeToIntegerMilliseconds(timing->domInteractive); | |
263 } | |
264 | |
265 unsigned long long PerformanceTiming::domContentLoadedEventStart() const | |
266 { | |
267 const DocumentTiming* timing = documentTiming(); | |
268 if (!timing) | |
269 return 0; | |
270 | |
271 return monotonicTimeToIntegerMilliseconds(timing->domContentLoadedEventStart
); | |
272 } | |
273 | |
274 unsigned long long PerformanceTiming::domContentLoadedEventEnd() const | |
275 { | |
276 const DocumentTiming* timing = documentTiming(); | |
277 if (!timing) | |
278 return 0; | |
279 | |
280 return monotonicTimeToIntegerMilliseconds(timing->domContentLoadedEventEnd); | |
281 } | |
282 | |
283 unsigned long long PerformanceTiming::domComplete() const | |
284 { | |
285 const DocumentTiming* timing = documentTiming(); | |
286 if (!timing) | |
287 return 0; | |
288 | |
289 return monotonicTimeToIntegerMilliseconds(timing->domComplete); | |
290 } | |
291 | |
292 unsigned long long PerformanceTiming::loadEventStart() const | |
293 { | |
294 DocumentLoadTiming* timing = documentLoadTiming(); | |
295 if (!timing) | |
296 return 0; | |
297 | |
298 return monotonicTimeToIntegerMilliseconds(timing->loadEventStart()); | |
299 } | |
300 | |
301 unsigned long long PerformanceTiming::loadEventEnd() const | |
302 { | |
303 DocumentLoadTiming* timing = documentLoadTiming(); | |
304 if (!timing) | |
305 return 0; | |
306 | |
307 return monotonicTimeToIntegerMilliseconds(timing->loadEventEnd()); | |
308 } | |
309 | |
310 DocumentLoader* PerformanceTiming::documentLoader() const | |
311 { | |
312 if (!m_frame) | |
313 return 0; | |
314 | |
315 return m_frame->loader()->documentLoader(); | |
316 } | |
317 | |
318 const DocumentTiming* PerformanceTiming::documentTiming() const | |
319 { | |
320 if (!m_frame) | |
321 return 0; | |
322 | |
323 Document* document = m_frame->document(); | |
324 if (!document) | |
325 return 0; | |
326 | |
327 return document->timing(); | |
328 } | |
329 | |
330 DocumentLoadTiming* PerformanceTiming::documentLoadTiming() const | |
331 { | |
332 DocumentLoader* loader = documentLoader(); | |
333 if (!loader) | |
334 return 0; | |
335 | |
336 return loader->timing(); | |
337 } | |
338 | |
339 ResourceLoadTiming* PerformanceTiming::resourceLoadTiming() const | |
340 { | |
341 DocumentLoader* loader = documentLoader(); | |
342 if (!loader) | |
343 return 0; | |
344 | |
345 return loader->response().resourceLoadTiming(); | |
346 } | |
347 | |
348 unsigned long long PerformanceTiming::monotonicTimeToIntegerMilliseconds(double
monotonicSeconds) const | |
349 { | |
350 ASSERT(monotonicSeconds >= 0); | |
351 const DocumentLoadTiming* timing = documentLoadTiming(); | |
352 ASSERT(timing); | |
353 return toIntegerMilliseconds(timing->monotonicTimeToPseudoWallTime(monotonic
Seconds)); | |
354 } | |
355 | |
356 } // namespace WebCore | |
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