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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "chrome/browser/net/resource_prefetch_predictor_observer.h" | |
| 6 | |
| 7 #include <memory> | |
| 8 #include <string> | |
| 9 #include <utility> | |
| 10 | |
| 11 #include "base/memory/ptr_util.h" | |
| 12 #include "base/metrics/histogram_macros.h" | |
| 13 #include "content/public/browser/browser_thread.h" | |
| 14 #include "content/public/browser/resource_request_info.h" | |
| 15 #include "net/url_request/url_request.h" | |
| 16 #include "url/gurl.h" | |
| 17 | |
| 18 namespace content { | |
| 19 class WebContents; | |
| 20 } | |
| 21 | |
| 22 using content::BrowserThread; | |
| 23 using predictors::ResourcePrefetchPredictor; | |
| 24 using URLRequestSummary = | |
| 25 predictors::ResourcePrefetchPredictor::URLRequestSummary; | |
| 26 | |
| 27 namespace { | |
| 28 | |
| 29 // Enum for measuring statistics pertaining to observed request, responses and | |
| 30 // redirects. | |
| 31 enum RequestStats { | |
| 32 REQUEST_STATS_TOTAL_RESPONSES = 0, | |
| 33 REQUEST_STATS_TOTAL_PROCESSED_RESPONSES = 1, | |
| 34 REQUEST_STATS_NO_RESOURCE_REQUEST_INFO = 2, // Not recorded (never was). | |
| 35 REQUEST_STATS_NO_RENDER_FRAME_ID_FROM_REQUEST_INFO = 3, // Not recorded. | |
| 36 REQUEST_STATS_MAX = 4, | |
| 37 }; | |
| 38 | |
| 39 // Specific to main frame requests. | |
| 40 enum MainFrameRequestStats { | |
| 41 MAIN_FRAME_REQUEST_STATS_TOTAL_REQUESTS = 0, | |
| 42 MAIN_FRAME_REQUEST_STATS_PROCESSED_REQUESTS = 1, | |
| 43 MAIN_FRAME_REQUEST_STATS_TOTAL_REDIRECTS = 2, | |
| 44 MAIN_FRAME_REQUEST_STATS_PROCESSED_REDIRECTS = 3, | |
| 45 MAIN_FRAME_REQUEST_STATS_TOTAL_RESPONSES = 4, | |
| 46 MAIN_FRAME_REQUEST_STATS_PROCESSED_RESPONSES = 5, | |
| 47 MAIN_FRAME_REQUEST_STATS_MAX = 6, | |
| 48 }; | |
| 49 | |
| 50 void ReportRequestStats(RequestStats stat) { | |
| 51 UMA_HISTOGRAM_ENUMERATION("ResourcePrefetchPredictor.RequestStats", | |
| 52 stat, | |
| 53 REQUEST_STATS_MAX); | |
| 54 } | |
| 55 | |
| 56 void ReportMainFrameRequestStats(MainFrameRequestStats stat) { | |
| 57 UMA_HISTOGRAM_ENUMERATION("ResourcePrefetchPredictor.MainFrameRequestStats", | |
| 58 stat, | |
| 59 MAIN_FRAME_REQUEST_STATS_MAX); | |
| 60 } | |
| 61 | |
| 62 bool TryToFillNavigationID( | |
| 63 predictors::NavigationID* navigation_id, | |
| 64 const content::ResourceRequestInfo::WebContentsGetter& web_contents_getter, | |
| 65 const GURL& main_frame_url, | |
| 66 const base::TimeTicks& creation_time) { | |
| 67 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
| 68 content::WebContents* web_contents = web_contents_getter.Run(); | |
| 69 if (!web_contents) | |
| 70 return false; | |
| 71 *navigation_id = | |
| 72 predictors::NavigationID(web_contents, main_frame_url, creation_time); | |
| 73 // A WebContents might be associated with something that is not a tab. | |
| 74 // In this case tab_id will be -1 and is_valid() will return false. | |
| 75 return navigation_id->is_valid(); | |
| 76 } | |
| 77 | |
| 78 } // namespace | |
| 79 | |
| 80 namespace chrome_browser_net { | |
| 81 | |
| 82 ResourcePrefetchPredictorObserver::ResourcePrefetchPredictorObserver( | |
| 83 ResourcePrefetchPredictor* predictor) | |
| 84 : predictor_(predictor->AsWeakPtr()) { | |
| 85 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
| 86 } | |
| 87 | |
| 88 ResourcePrefetchPredictorObserver::~ResourcePrefetchPredictorObserver() { | |
| 89 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI) || | |
| 90 BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 91 } | |
| 92 | |
| 93 void ResourcePrefetchPredictorObserver::OnRequestStarted( | |
| 94 net::URLRequest* request, | |
| 95 content::ResourceType resource_type, | |
| 96 const content::ResourceRequestInfo::WebContentsGetter& | |
| 97 web_contents_getter) { | |
| 98 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 99 | |
| 100 if (resource_type == content::RESOURCE_TYPE_MAIN_FRAME) | |
| 101 ReportMainFrameRequestStats(MAIN_FRAME_REQUEST_STATS_TOTAL_REQUESTS); | |
| 102 | |
| 103 if (!ResourcePrefetchPredictor::ShouldRecordRequest(request, resource_type)) | |
| 104 return; | |
| 105 | |
| 106 auto summary = base::MakeUnique<URLRequestSummary>(); | |
| 107 summary->resource_url = request->original_url(); | |
| 108 summary->resource_type = resource_type; | |
| 109 | |
| 110 BrowserThread::PostTask( | |
| 111 BrowserThread::UI, FROM_HERE, | |
| 112 base::BindOnce( | |
| 113 &ResourcePrefetchPredictorObserver::OnRequestStartedOnUIThread, | |
| 114 base::Unretained(this), base::Passed(std::move(summary)), | |
| 115 web_contents_getter, request->first_party_for_cookies(), | |
| 116 request->creation_time())); | |
| 117 | |
| 118 if (resource_type == content::RESOURCE_TYPE_MAIN_FRAME) | |
| 119 ReportMainFrameRequestStats(MAIN_FRAME_REQUEST_STATS_PROCESSED_REQUESTS); | |
| 120 } | |
| 121 | |
| 122 void ResourcePrefetchPredictorObserver::OnRequestRedirected( | |
| 123 net::URLRequest* request, | |
| 124 const GURL& redirect_url, | |
| 125 const content::ResourceRequestInfo::WebContentsGetter& | |
| 126 web_contents_getter) { | |
| 127 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 128 | |
| 129 const content::ResourceRequestInfo* request_info = | |
| 130 content::ResourceRequestInfo::ForRequest(request); | |
| 131 if (request_info && | |
| 132 request_info->GetResourceType() == content::RESOURCE_TYPE_MAIN_FRAME) { | |
| 133 ReportMainFrameRequestStats(MAIN_FRAME_REQUEST_STATS_TOTAL_REDIRECTS); | |
| 134 } | |
| 135 | |
| 136 if (!ResourcePrefetchPredictor::ShouldRecordRedirect(request)) | |
| 137 return; | |
| 138 | |
| 139 auto summary = base::MakeUnique<URLRequestSummary>(); | |
| 140 if (!ResourcePrefetchPredictor::URLRequestSummary::SummarizeResponse( | |
| 141 *request, summary.get())) { | |
| 142 return; | |
| 143 } | |
| 144 summary->redirect_url = redirect_url; | |
| 145 | |
| 146 BrowserThread::PostTask( | |
| 147 BrowserThread::UI, FROM_HERE, | |
| 148 base::BindOnce( | |
| 149 &ResourcePrefetchPredictorObserver::OnRequestRedirectedOnUIThread, | |
| 150 base::Unretained(this), base::Passed(std::move(summary)), | |
| 151 web_contents_getter, request->first_party_for_cookies(), | |
| 152 request->creation_time())); | |
| 153 | |
| 154 if (request_info && | |
| 155 request_info->GetResourceType() == content::RESOURCE_TYPE_MAIN_FRAME) { | |
| 156 ReportMainFrameRequestStats(MAIN_FRAME_REQUEST_STATS_PROCESSED_REDIRECTS); | |
| 157 } | |
| 158 } | |
| 159 | |
| 160 void ResourcePrefetchPredictorObserver::OnResponseStarted( | |
| 161 net::URLRequest* request, | |
| 162 const content::ResourceRequestInfo::WebContentsGetter& | |
| 163 web_contents_getter) { | |
| 164 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 165 | |
| 166 ReportRequestStats(REQUEST_STATS_TOTAL_RESPONSES); | |
| 167 | |
| 168 const content::ResourceRequestInfo* request_info = | |
| 169 content::ResourceRequestInfo::ForRequest(request); | |
| 170 if (request_info && | |
| 171 request_info->GetResourceType() == content::RESOURCE_TYPE_MAIN_FRAME) { | |
| 172 ReportMainFrameRequestStats(MAIN_FRAME_REQUEST_STATS_TOTAL_RESPONSES); | |
| 173 } | |
| 174 | |
| 175 if (!ResourcePrefetchPredictor::ShouldRecordResponse(request)) | |
| 176 return; | |
| 177 auto summary = base::MakeUnique<URLRequestSummary>(); | |
| 178 if (!ResourcePrefetchPredictor::URLRequestSummary::SummarizeResponse( | |
| 179 *request, summary.get())) { | |
| 180 return; | |
| 181 } | |
| 182 | |
| 183 BrowserThread::PostTask( | |
| 184 BrowserThread::UI, FROM_HERE, | |
| 185 base::BindOnce( | |
| 186 &ResourcePrefetchPredictorObserver::OnResponseStartedOnUIThread, | |
| 187 base::Unretained(this), base::Passed(std::move(summary)), | |
| 188 web_contents_getter, request->first_party_for_cookies(), | |
| 189 request->creation_time())); | |
| 190 | |
| 191 ReportRequestStats(REQUEST_STATS_TOTAL_PROCESSED_RESPONSES); | |
| 192 if (request_info && | |
| 193 request_info->GetResourceType() == content::RESOURCE_TYPE_MAIN_FRAME) { | |
| 194 ReportMainFrameRequestStats(MAIN_FRAME_REQUEST_STATS_PROCESSED_RESPONSES); | |
| 195 } | |
| 196 } | |
| 197 | |
| 198 void ResourcePrefetchPredictorObserver::OnRequestStartedOnUIThread( | |
| 199 std::unique_ptr<URLRequestSummary> summary, | |
| 200 const content::ResourceRequestInfo::WebContentsGetter& web_contents_getter, | |
| 201 const GURL& main_frame_url, | |
| 202 const base::TimeTicks& creation_time) const { | |
| 203 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
| 204 if (!TryToFillNavigationID(&summary->navigation_id, web_contents_getter, | |
| 205 main_frame_url, creation_time)) { | |
| 206 return; | |
| 207 } | |
| 208 predictor_->RecordURLRequest(*summary); | |
| 209 } | |
| 210 | |
| 211 void ResourcePrefetchPredictorObserver::OnRequestRedirectedOnUIThread( | |
| 212 std::unique_ptr<URLRequestSummary> summary, | |
| 213 const content::ResourceRequestInfo::WebContentsGetter& web_contents_getter, | |
| 214 const GURL& main_frame_url, | |
| 215 const base::TimeTicks& creation_time) const { | |
| 216 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
| 217 if (!TryToFillNavigationID(&summary->navigation_id, web_contents_getter, | |
| 218 main_frame_url, creation_time)) { | |
| 219 return; | |
| 220 } | |
| 221 predictor_->RecordURLRedirect(*summary); | |
| 222 } | |
| 223 | |
| 224 void ResourcePrefetchPredictorObserver::OnResponseStartedOnUIThread( | |
| 225 std::unique_ptr<URLRequestSummary> summary, | |
| 226 const content::ResourceRequestInfo::WebContentsGetter& web_contents_getter, | |
| 227 const GURL& main_frame_url, | |
| 228 const base::TimeTicks& creation_time) const { | |
| 229 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
| 230 if (!TryToFillNavigationID(&summary->navigation_id, web_contents_getter, | |
| 231 main_frame_url, creation_time)) { | |
| 232 return; | |
| 233 } | |
| 234 predictor_->RecordURLResponse(*summary); | |
| 235 } | |
| 236 | |
| 237 } // namespace chrome_browser_net | |
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Chromium Code Reviews
Issue 2887133003:
predictors: Refactor resource_prefetch_predictor triggering. (Closed)
