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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "chrome/browser/prerender/prerender_util.h" | 5 #include "chrome/browser/prerender/prerender_util.h" |
| 6 | 6 |
| 7 #include "base/metrics/histogram.h" | 7 #include "base/metrics/histogram.h" |
| 8 #include "base/metrics/histogram_samples.h" | 8 #include "base/metrics/histogram_samples.h" |
| 9 #include "base/metrics/statistics_recorder.h" | 9 #include "base/metrics/statistics_recorder.h" |
| 10 #include "net/http/http_response_headers.h" | 10 #include "net/http/http_response_headers.h" |
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| 95 int num_pss = 0; | 95 int num_pss = 0; |
| 96 int num_other = 0; | 96 int num_other = 0; |
| 97 int num_bucket_1 = 0; // unrecognized format/value bucket | 97 int num_bucket_1 = 0; // unrecognized format/value bucket |
| 98 int num_bucket_30 = 0; // 1.2.24.1 bucket | 98 int num_bucket_30 = 0; // 1.2.24.1 bucket |
| 99 int num_bucket_33 = 0; // 1.3.25.2 bucket | 99 int num_bucket_33 = 0; // 1.3.25.2 bucket |
| 100 | 100 |
| 101 scoped_ptr<base::HistogramSamples> server_samples; | 101 scoped_ptr<base::HistogramSamples> server_samples; |
| 102 scoped_ptr<base::HistogramSamples> version_samples; | 102 scoped_ptr<base::HistogramSamples> version_samples; |
| 103 | 103 |
| 104 // No PageSpeed header. The VersionCounts histogram isn't created yet. | 104 // No PageSpeed header. The VersionCounts histogram isn't created yet. |
| 105 GatherPagespeedData(ResourceType::MAIN_FRAME, url, headers.get()); | 105 GatherPagespeedData(content::RESOURCE_TYPE_MAIN_FRAME, url, headers.get()); |
| 106 base::HistogramBase* server_histogram = | 106 base::HistogramBase* server_histogram = |
| 107 base::StatisticsRecorder::FindHistogram( | 107 base::StatisticsRecorder::FindHistogram( |
| 108 "Prerender.PagespeedHeader.ServerCounts"); | 108 "Prerender.PagespeedHeader.ServerCounts"); |
| 109 ASSERT_TRUE(server_histogram != NULL); | 109 ASSERT_TRUE(server_histogram != NULL); |
| 110 ASSERT_TRUE(NULL == base::StatisticsRecorder::FindHistogram( | 110 ASSERT_TRUE(NULL == base::StatisticsRecorder::FindHistogram( |
| 111 "Prerender.PagespeedHeader.VersionCounts")); | 111 "Prerender.PagespeedHeader.VersionCounts")); |
| 112 | 112 |
| 113 server_samples = server_histogram->SnapshotSamples(); | 113 server_samples = server_histogram->SnapshotSamples(); |
| 114 EXPECT_EQ(++num_responses, server_samples->GetCount(0)); | 114 EXPECT_EQ(++num_responses, server_samples->GetCount(0)); |
| 115 EXPECT_EQ( num_mps, server_samples->GetCount(1)); | 115 EXPECT_EQ( num_mps, server_samples->GetCount(1)); |
| 116 EXPECT_EQ( num_ngx, server_samples->GetCount(2)); | 116 EXPECT_EQ( num_ngx, server_samples->GetCount(2)); |
| 117 EXPECT_EQ( num_pss, server_samples->GetCount(3)); | 117 EXPECT_EQ( num_pss, server_samples->GetCount(3)); |
| 118 EXPECT_EQ( num_other, server_samples->GetCount(4)); | 118 EXPECT_EQ( num_other, server_samples->GetCount(4)); |
| 119 | 119 |
| 120 // X-Mod-Pagespeed header in expected format. VersionCounts now exists. | 120 // X-Mod-Pagespeed header in expected format. VersionCounts now exists. |
| 121 headers->AddHeader("X-Mod-Pagespeed: 1.2.24.1-2300"); | 121 headers->AddHeader("X-Mod-Pagespeed: 1.2.24.1-2300"); |
| 122 GatherPagespeedData(ResourceType::MAIN_FRAME, url, headers.get()); | 122 GatherPagespeedData(content::RESOURCE_TYPE_MAIN_FRAME, url, headers.get()); |
| 123 base::HistogramBase* version_histogram = | 123 base::HistogramBase* version_histogram = |
| 124 base::StatisticsRecorder::FindHistogram( | 124 base::StatisticsRecorder::FindHistogram( |
| 125 "Prerender.PagespeedHeader.VersionCounts"); | 125 "Prerender.PagespeedHeader.VersionCounts"); |
| 126 ASSERT_TRUE(version_histogram != NULL); | 126 ASSERT_TRUE(version_histogram != NULL); |
| 127 server_samples = server_histogram->SnapshotSamples(); | 127 server_samples = server_histogram->SnapshotSamples(); |
| 128 version_samples = version_histogram->SnapshotSamples(); | 128 version_samples = version_histogram->SnapshotSamples(); |
| 129 EXPECT_EQ(++num_responses, server_samples->GetCount(0)); | 129 EXPECT_EQ(++num_responses, server_samples->GetCount(0)); |
| 130 EXPECT_EQ(++num_mps, server_samples->GetCount(1)); | 130 EXPECT_EQ(++num_mps, server_samples->GetCount(1)); |
| 131 EXPECT_EQ( num_ngx, server_samples->GetCount(2)); | 131 EXPECT_EQ( num_ngx, server_samples->GetCount(2)); |
| 132 EXPECT_EQ( num_pss, server_samples->GetCount(3)); | 132 EXPECT_EQ( num_pss, server_samples->GetCount(3)); |
| 133 EXPECT_EQ( num_other, server_samples->GetCount(4)); | 133 EXPECT_EQ( num_other, server_samples->GetCount(4)); |
| 134 EXPECT_EQ( num_bucket_1, version_samples->GetCount(1)); | 134 EXPECT_EQ( num_bucket_1, version_samples->GetCount(1)); |
| 135 EXPECT_EQ(++num_bucket_30, version_samples->GetCount(30)); // +1 for #30 | 135 EXPECT_EQ(++num_bucket_30, version_samples->GetCount(30)); // +1 for #30 |
| 136 EXPECT_EQ( num_bucket_33, version_samples->GetCount(33)); | 136 EXPECT_EQ( num_bucket_33, version_samples->GetCount(33)); |
| 137 headers->RemoveHeader("X-Mod-Pagespeed"); | 137 headers->RemoveHeader("X-Mod-Pagespeed"); |
| 138 | 138 |
| 139 // X-Mod-Pagespeed header in unexpected format. | 139 // X-Mod-Pagespeed header in unexpected format. |
| 140 headers->AddHeader("X-Mod-Pagespeed: Powered By PageSpeed!"); | 140 headers->AddHeader("X-Mod-Pagespeed: Powered By PageSpeed!"); |
| 141 GatherPagespeedData(ResourceType::MAIN_FRAME, url, headers.get()); | 141 GatherPagespeedData(content::RESOURCE_TYPE_MAIN_FRAME, url, headers.get()); |
| 142 server_samples = server_histogram->SnapshotSamples(); | 142 server_samples = server_histogram->SnapshotSamples(); |
| 143 version_samples = version_histogram->SnapshotSamples(); | 143 version_samples = version_histogram->SnapshotSamples(); |
| 144 EXPECT_EQ(++num_responses, server_samples->GetCount(0)); | 144 EXPECT_EQ(++num_responses, server_samples->GetCount(0)); |
| 145 EXPECT_EQ(++num_mps, server_samples->GetCount(1)); | 145 EXPECT_EQ(++num_mps, server_samples->GetCount(1)); |
| 146 EXPECT_EQ( num_ngx, server_samples->GetCount(2)); | 146 EXPECT_EQ( num_ngx, server_samples->GetCount(2)); |
| 147 EXPECT_EQ( num_pss, server_samples->GetCount(3)); | 147 EXPECT_EQ( num_pss, server_samples->GetCount(3)); |
| 148 EXPECT_EQ( num_other, server_samples->GetCount(4)); | 148 EXPECT_EQ( num_other, server_samples->GetCount(4)); |
| 149 EXPECT_EQ(++num_bucket_1, version_samples->GetCount(1)); // +1 for 'huh?' | 149 EXPECT_EQ(++num_bucket_1, version_samples->GetCount(1)); // +1 for 'huh?' |
| 150 EXPECT_EQ( num_bucket_30, version_samples->GetCount(30)); | 150 EXPECT_EQ( num_bucket_30, version_samples->GetCount(30)); |
| 151 EXPECT_EQ( num_bucket_33, version_samples->GetCount(33)); | 151 EXPECT_EQ( num_bucket_33, version_samples->GetCount(33)); |
| 152 headers->RemoveHeader("X-Mod-Pagespeed"); | 152 headers->RemoveHeader("X-Mod-Pagespeed"); |
| 153 | 153 |
| 154 // X-Page-Speed header in mod_pagespeed format (so ngx_pagespeed). | 154 // X-Page-Speed header in mod_pagespeed format (so ngx_pagespeed). |
| 155 headers->AddHeader("X-Page-Speed: 1.3.25.2-2530"); | 155 headers->AddHeader("X-Page-Speed: 1.3.25.2-2530"); |
| 156 GatherPagespeedData(ResourceType::MAIN_FRAME, url, headers.get()); | 156 GatherPagespeedData(content::RESOURCE_TYPE_MAIN_FRAME, url, headers.get()); |
| 157 server_samples = server_histogram->SnapshotSamples(); | 157 server_samples = server_histogram->SnapshotSamples(); |
| 158 version_samples = version_histogram->SnapshotSamples(); | 158 version_samples = version_histogram->SnapshotSamples(); |
| 159 EXPECT_EQ(++num_responses, server_samples->GetCount(0)); | 159 EXPECT_EQ(++num_responses, server_samples->GetCount(0)); |
| 160 EXPECT_EQ( num_mps, server_samples->GetCount(1)); | 160 EXPECT_EQ( num_mps, server_samples->GetCount(1)); |
| 161 EXPECT_EQ(++num_ngx, server_samples->GetCount(2)); | 161 EXPECT_EQ(++num_ngx, server_samples->GetCount(2)); |
| 162 EXPECT_EQ( num_pss, server_samples->GetCount(3)); | 162 EXPECT_EQ( num_pss, server_samples->GetCount(3)); |
| 163 EXPECT_EQ( num_other, server_samples->GetCount(4)); | 163 EXPECT_EQ( num_other, server_samples->GetCount(4)); |
| 164 EXPECT_EQ( num_bucket_1, version_samples->GetCount(1)); | 164 EXPECT_EQ( num_bucket_1, version_samples->GetCount(1)); |
| 165 EXPECT_EQ( num_bucket_30, version_samples->GetCount(30)); | 165 EXPECT_EQ( num_bucket_30, version_samples->GetCount(30)); |
| 166 EXPECT_EQ(++num_bucket_33, version_samples->GetCount(33)); // +1 for #33 | 166 EXPECT_EQ(++num_bucket_33, version_samples->GetCount(33)); // +1 for #33 |
| 167 headers->RemoveHeader("X-Page-Speed"); | 167 headers->RemoveHeader("X-Page-Speed"); |
| 168 | 168 |
| 169 // X-Page-Speed header in PageSpeed Service format. | 169 // X-Page-Speed header in PageSpeed Service format. |
| 170 headers->AddHeader("X-Page-Speed: 97_4_bo"); | 170 headers->AddHeader("X-Page-Speed: 97_4_bo"); |
| 171 GatherPagespeedData(ResourceType::MAIN_FRAME, url, headers.get()); | 171 GatherPagespeedData(content::RESOURCE_TYPE_MAIN_FRAME, url, headers.get()); |
| 172 server_samples = server_histogram->SnapshotSamples(); | 172 server_samples = server_histogram->SnapshotSamples(); |
| 173 version_samples = version_histogram->SnapshotSamples(); | 173 version_samples = version_histogram->SnapshotSamples(); |
| 174 EXPECT_EQ(++num_responses, server_samples->GetCount(0)); | 174 EXPECT_EQ(++num_responses, server_samples->GetCount(0)); |
| 175 EXPECT_EQ( num_mps, server_samples->GetCount(1)); // no change | 175 EXPECT_EQ( num_mps, server_samples->GetCount(1)); // no change |
| 176 EXPECT_EQ( num_ngx, server_samples->GetCount(2)); | 176 EXPECT_EQ( num_ngx, server_samples->GetCount(2)); |
| 177 EXPECT_EQ(++num_pss, server_samples->GetCount(3)); // +1 for PSS | 177 EXPECT_EQ(++num_pss, server_samples->GetCount(3)); // +1 for PSS |
| 178 EXPECT_EQ( num_other, server_samples->GetCount(4)); | 178 EXPECT_EQ( num_other, server_samples->GetCount(4)); |
| 179 EXPECT_EQ( num_bucket_1, version_samples->GetCount(1)); | 179 EXPECT_EQ( num_bucket_1, version_samples->GetCount(1)); |
| 180 EXPECT_EQ( num_bucket_30, version_samples->GetCount(30)); | 180 EXPECT_EQ( num_bucket_30, version_samples->GetCount(30)); |
| 181 EXPECT_EQ( num_bucket_33, version_samples->GetCount(33)); | 181 EXPECT_EQ( num_bucket_33, version_samples->GetCount(33)); |
| 182 headers->RemoveHeader("X-Page-Speed"); | 182 headers->RemoveHeader("X-Page-Speed"); |
| 183 | 183 |
| 184 // X-Page-Speed header in an unrecognized format (IISpeed in this case). | 184 // X-Page-Speed header in an unrecognized format (IISpeed in this case). |
| 185 headers->AddHeader("X-Page-Speed: 1.0PS1.2-20130615"); | 185 headers->AddHeader("X-Page-Speed: 1.0PS1.2-20130615"); |
| 186 GatherPagespeedData(ResourceType::MAIN_FRAME, url, headers.get()); | 186 GatherPagespeedData(content::RESOURCE_TYPE_MAIN_FRAME, url, headers.get()); |
| 187 server_samples = server_histogram->SnapshotSamples(); | 187 server_samples = server_histogram->SnapshotSamples(); |
| 188 version_samples = version_histogram->SnapshotSamples(); | 188 version_samples = version_histogram->SnapshotSamples(); |
| 189 EXPECT_EQ(++num_responses, server_samples->GetCount(0)); | 189 EXPECT_EQ(++num_responses, server_samples->GetCount(0)); |
| 190 EXPECT_EQ( num_mps, server_samples->GetCount(1)); // no change | 190 EXPECT_EQ( num_mps, server_samples->GetCount(1)); // no change |
| 191 EXPECT_EQ( num_pss, server_samples->GetCount(3)); | 191 EXPECT_EQ( num_pss, server_samples->GetCount(3)); |
| 192 EXPECT_EQ(++num_other, server_samples->GetCount(4)); // +1 for 'other' | 192 EXPECT_EQ(++num_other, server_samples->GetCount(4)); // +1 for 'other' |
| 193 EXPECT_EQ( num_bucket_1, version_samples->GetCount(1)); | 193 EXPECT_EQ( num_bucket_1, version_samples->GetCount(1)); |
| 194 EXPECT_EQ( num_bucket_30, version_samples->GetCount(30)); | 194 EXPECT_EQ( num_bucket_30, version_samples->GetCount(30)); |
| 195 EXPECT_EQ( num_bucket_33, version_samples->GetCount(33)); | 195 EXPECT_EQ( num_bucket_33, version_samples->GetCount(33)); |
| 196 | 196 |
| 197 // Not a main frame => not counted at all. | 197 // Not a main frame => not counted at all. |
| 198 GatherPagespeedData(ResourceType::SUB_FRAME, url, headers.get()); | 198 GatherPagespeedData(content::RESOURCE_TYPE_SUB_FRAME, url, headers.get()); |
| 199 server_samples = server_histogram->SnapshotSamples(); | 199 server_samples = server_histogram->SnapshotSamples(); |
| 200 version_samples = version_histogram->SnapshotSamples(); | 200 version_samples = version_histogram->SnapshotSamples(); |
| 201 EXPECT_EQ( num_responses, server_samples->GetCount(0)); | 201 EXPECT_EQ( num_responses, server_samples->GetCount(0)); |
| 202 EXPECT_EQ( num_mps, server_samples->GetCount(1)); | 202 EXPECT_EQ( num_mps, server_samples->GetCount(1)); |
| 203 EXPECT_EQ( num_ngx, server_samples->GetCount(2)); | 203 EXPECT_EQ( num_ngx, server_samples->GetCount(2)); |
| 204 EXPECT_EQ( num_pss, server_samples->GetCount(3)); | 204 EXPECT_EQ( num_pss, server_samples->GetCount(3)); |
| 205 EXPECT_EQ( num_other, server_samples->GetCount(4)); | 205 EXPECT_EQ( num_other, server_samples->GetCount(4)); |
| 206 EXPECT_EQ( num_bucket_1, version_samples->GetCount(1)); | 206 EXPECT_EQ( num_bucket_1, version_samples->GetCount(1)); |
| 207 EXPECT_EQ( num_bucket_30, version_samples->GetCount(30)); | 207 EXPECT_EQ( num_bucket_30, version_samples->GetCount(30)); |
| 208 EXPECT_EQ( num_bucket_33, version_samples->GetCount(33)); | 208 EXPECT_EQ( num_bucket_33, version_samples->GetCount(33)); |
| 209 | 209 |
| 210 // Not a http/https URL => not counted at all. | 210 // Not a http/https URL => not counted at all. |
| 211 GURL data_url("data:image/png;base64,yadda yadda=="); | 211 GURL data_url("data:image/png;base64,yadda yadda=="); |
| 212 GatherPagespeedData(ResourceType::MAIN_FRAME, data_url, headers.get()); | 212 GatherPagespeedData( |
| 213 content::RESOURCE_TYPE_MAIN_FRAME, data_url, headers.get()); |
| 213 server_samples = server_histogram->SnapshotSamples(); | 214 server_samples = server_histogram->SnapshotSamples(); |
| 214 version_samples = version_histogram->SnapshotSamples(); | 215 version_samples = version_histogram->SnapshotSamples(); |
| 215 EXPECT_EQ( num_responses, server_samples->GetCount(0)); | 216 EXPECT_EQ( num_responses, server_samples->GetCount(0)); |
| 216 EXPECT_EQ( num_mps, server_samples->GetCount(1)); | 217 EXPECT_EQ( num_mps, server_samples->GetCount(1)); |
| 217 EXPECT_EQ( num_ngx, server_samples->GetCount(2)); | 218 EXPECT_EQ( num_ngx, server_samples->GetCount(2)); |
| 218 EXPECT_EQ( num_pss, server_samples->GetCount(3)); | 219 EXPECT_EQ( num_pss, server_samples->GetCount(3)); |
| 219 EXPECT_EQ( num_other, server_samples->GetCount(4)); | 220 EXPECT_EQ( num_other, server_samples->GetCount(4)); |
| 220 EXPECT_EQ( num_bucket_1, version_samples->GetCount(1)); | 221 EXPECT_EQ( num_bucket_1, version_samples->GetCount(1)); |
| 221 EXPECT_EQ( num_bucket_30, version_samples->GetCount(30)); | 222 EXPECT_EQ( num_bucket_30, version_samples->GetCount(30)); |
| 222 EXPECT_EQ( num_bucket_33, version_samples->GetCount(33)); | 223 EXPECT_EQ( num_bucket_33, version_samples->GetCount(33)); |
| 223 | 224 |
| 224 headers->RemoveHeader("X-Page-Speed"); | 225 headers->RemoveHeader("X-Page-Speed"); |
| 225 } | 226 } |
| 226 | 227 |
| 227 } // namespace prerender | 228 } // namespace prerender |
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