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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 "content/browser/histogram_internals_request_job.h" | 5 #include "content/browser/histogram_internals_request_job.h" |
| 6 | 6 |
| 7 #include "base/metrics/histogram_macros.h" | 7 #include "base/metrics/histogram_macros.h" |
| 8 #include "base/metrics/statistics_recorder.h" | 8 #include "base/metrics/statistics_recorder.h" |
| 9 #include "content/browser/histogram_synchronizer.h" | 9 #include "content/browser/histogram_synchronizer.h" |
| 10 #include "content/public/browser/browser_thread.h" |
| 10 #include "net/base/escape.h" | 11 #include "net/base/escape.h" |
| 11 #include "net/base/net_errors.h" | 12 #include "net/base/net_errors.h" |
| 12 #include "net/url_request/url_request.h" | 13 #include "net/url_request/url_request.h" |
| 13 #include "url/gurl.h" | 14 #include "url/gurl.h" |
| 14 | 15 |
| 15 namespace content { | 16 namespace content { |
| 16 | 17 |
| 17 HistogramInternalsRequestJob::HistogramInternalsRequestJob( | 18 HistogramInternalsRequestJob::HistogramInternalsRequestJob( |
| 18 net::URLRequest* request, net::NetworkDelegate* network_delegate) | 19 net::URLRequest* request, |
| 19 : net::URLRequestSimpleJob(request, network_delegate) { | 20 net::NetworkDelegate* network_delegate) |
| 21 : net::URLRequestSimpleJob(request, network_delegate), weak_factory_(this) { |
| 20 const std::string& spec = request->url().possibly_invalid_spec(); | 22 const std::string& spec = request->url().possibly_invalid_spec(); |
| 21 const url::Parsed& parsed = request->url().parsed_for_possibly_invalid_spec(); | 23 const url::Parsed& parsed = request->url().parsed_for_possibly_invalid_spec(); |
| 22 // + 1 to skip the slash at the beginning of the path. | 24 // + 1 to skip the slash at the beginning of the path. |
| 23 int offset = parsed.CountCharactersBefore(url::Parsed::PATH, false) + 1; | 25 int offset = parsed.CountCharactersBefore(url::Parsed::PATH, false) + 1; |
| 24 | 26 |
| 25 if (offset < static_cast<int>(spec.size())) | 27 if (offset < static_cast<int>(spec.size())) |
| 26 path_.assign(spec.substr(offset)); | 28 path_.assign(spec.substr(offset)); |
| 27 } | 29 } |
| 28 | 30 |
| 31 HistogramInternalsRequestJob::~HistogramInternalsRequestJob() {} |
| 32 |
| 29 void AboutHistogram(std::string* data, const std::string& path) { | 33 void AboutHistogram(std::string* data, const std::string& path) { |
| 30 HistogramSynchronizer::FetchHistograms(); | 34 HistogramSynchronizer::FetchHistograms(); |
| 31 | 35 |
| 32 std::string unescaped_query; | 36 std::string unescaped_query; |
| 33 std::string unescaped_title("About Histograms"); | 37 std::string unescaped_title("About Histograms"); |
| 34 if (!path.empty()) { | 38 if (!path.empty()) { |
| 35 unescaped_query = net::UnescapeURLComponent(path, | 39 unescaped_query = net::UnescapeURLComponent(path, |
| 36 net::UnescapeRule::NORMAL); | 40 net::UnescapeRule::NORMAL); |
| 37 unescaped_title += " - " + unescaped_query; | 41 unescaped_title += " - " + unescaped_query; |
| 38 } | 42 } |
| 39 | 43 |
| 40 data->append("<!DOCTYPE html>\n<html>\n<head>\n"); | 44 data->append("<!DOCTYPE html>\n<html>\n<head>\n"); |
| 41 data->append( | 45 data->append( |
| 42 "<meta http-equiv=\"Content-Security-Policy\" " | 46 "<meta http-equiv=\"Content-Security-Policy\" " |
| 43 "content=\"object-src 'none'; script-src 'none'\">"); | 47 "content=\"object-src 'none'; script-src 'none'\">"); |
| 44 data->append("<title>"); | 48 data->append("<title>"); |
| 45 data->append(net::EscapeForHTML(unescaped_title)); | 49 data->append(net::EscapeForHTML(unescaped_title)); |
| 46 data->append("</title>\n"); | 50 data->append("</title>\n"); |
| 47 data->append("</head><body>"); | 51 data->append("</head><body>"); |
| 48 | 52 |
| 49 // Display any stats for which we sent off requests the last time. | 53 // Display any stats for which we sent off requests the last time. |
| 50 data->append("<p>Stats accumulated from browser startup to previous "); | 54 data->append("<p>Stats accumulated from browser startup to previous "); |
| 51 data->append("page load; reload to get stats as of this page load.</p>\n"); | 55 data->append("page load; reload to get stats as of this page load.</p>\n"); |
| 52 data->append("<table width=\"100%\">\n"); | 56 data->append("<table width=\"100%\">\n"); |
| 53 | 57 |
| 54 base::StatisticsRecorder::WriteHTMLGraph(unescaped_query, data); | 58 base::StatisticsRecorder::WriteHTMLGraph(unescaped_query, data); |
| 55 } | 59 } |
| 56 | 60 |
| 61 void HistogramInternalsRequestJob::Start() { |
| 62 // First import histograms from all providers and then start the URL fetch |
| 63 // job. It's not possible to call URLRequestSimpleJob::Start through Bind, |
| 64 // it ends up re-calling this method, so a small helper method is used. |
| 65 content::BrowserThread::PostTaskAndReply( |
| 66 content::BrowserThread::UI, FROM_HERE, |
| 67 base::Bind(&base::StatisticsRecorder::ImportProvidedHistograms), |
| 68 base::Bind(&HistogramInternalsRequestJob::StartUrlRequest, |
| 69 weak_factory_.GetWeakPtr())); |
| 70 } |
| 71 |
| 57 int HistogramInternalsRequestJob::GetData( | 72 int HistogramInternalsRequestJob::GetData( |
| 58 std::string* mime_type, | 73 std::string* mime_type, |
| 59 std::string* charset, | 74 std::string* charset, |
| 60 std::string* data, | 75 std::string* data, |
| 61 const net::CompletionCallback& callback) const { | 76 const net::CompletionCallback& callback) const { |
| 62 mime_type->assign("text/html"); | 77 mime_type->assign("text/html"); |
| 63 charset->assign("UTF8"); | 78 charset->assign("UTF8"); |
| 64 | 79 |
| 65 data->clear(); | 80 data->clear(); |
| 66 AboutHistogram(data, path_); | 81 AboutHistogram(data, path_); |
| 67 return net::OK; | 82 return net::OK; |
| 68 } | 83 } |
| 69 | 84 |
| 85 void HistogramInternalsRequestJob::StartUrlRequest() { |
| 86 URLRequestSimpleJob::Start(); |
| 87 } |
| 88 |
| 70 } // namespace content | 89 } // namespace content |
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Chromium Code Reviews
Issue 2658163002:
Merge histograms from providers into StatisticsRecorder for display. (Closed)
