| Index: content/browser/histogram_internals_request_job.cc
|
| ===================================================================
|
| --- content/browser/histogram_internals_request_job.cc (revision 0)
|
| +++ content/browser/histogram_internals_request_job.cc (working copy)
|
| @@ -0,0 +1,72 @@
|
| +// Copyright (c) 2012 The Chromium Authors. All rights reserved.
|
| +// Use of this source code is governed by a BSD-style license that can be
|
| +// found in the LICENSE file.
|
| +
|
| +#include "content/browser/histogram_internals_request_job.h"
|
| +
|
| +#include "base/metrics/histogram.h"
|
| +#include "content/browser/histogram_synchronizer.h"
|
| +#include "googleurl/src/gurl.h"
|
| +#include "net/base/escape.h"
|
| +#include "net/url_request/url_request.h"
|
| +
|
| +namespace content {
|
| +
|
| +HistogramInternalsRequestJob::HistogramInternalsRequestJob(
|
| + net::URLRequest* request) : net::URLRequestSimpleJob(request) {
|
| + const std::string& spec = request->url().possibly_invalid_spec();
|
| + const url_parse::Parsed& parsed =
|
| + request->url().parsed_for_possibly_invalid_spec();
|
| + // + 1 to skip the slash at the beginning of the path.
|
| + int offset = parsed.CountCharactersBefore(url_parse::Parsed::PATH, false) + 1;
|
| +
|
| + if (offset < static_cast<int>(spec.size()))
|
| + path_.assign(spec.substr(offset));
|
| +}
|
| +
|
| +void AboutHistogram(std::string* data, const std::string& path) {
|
| +#ifndef NDEBUG
|
| + // We only rush the acquisition of Histogram meta-data (meta-histograms) in
|
| + // Debug mode, so that developers don't damage our data that we upload to UMA
|
| + // (in official builds).
|
| + base::StatisticsRecorder::CollectHistogramStats("Browser");
|
| +#endif
|
| + content::HistogramSynchronizer::FetchHistograms();
|
| +
|
| + std::string unescaped_query;
|
| + std::string unescaped_title("About Histograms");
|
| + if (!path.empty()) {
|
| + unescaped_query = net::UnescapeURLComponent(path,
|
| + net::UnescapeRule::NORMAL);
|
| + unescaped_title += " - " + unescaped_query;
|
| + }
|
| +
|
| + data->append("<!DOCTYPE html>\n<html>\n<head>\n");
|
| + data->append(
|
| + "<meta http-equiv=\"X-WebKit-CSP\" content=\"object-src 'none'; "
|
| + "script-src 'none' 'unsafe-eval'\">");
|
| + data->append("<title>");
|
| + data->append(net::EscapeForHTML(unescaped_title));
|
| + data->append("</title>\n");
|
| + data->append("</head><body>");
|
| +
|
| + // Display any stats for which we sent off requests the last time.
|
| + data->append("<p>Stats as of last page load;");
|
| + data->append("reload to get stats as of this page load.</p>\n");
|
| + data->append("<table width=\"100%\">\n");
|
| +
|
| + base::StatisticsRecorder::WriteHTMLGraph(unescaped_query, data);
|
| +}
|
| +
|
| +bool HistogramInternalsRequestJob::GetData(std::string* mime_type,
|
| + std::string* charset,
|
| + std::string* data) const {
|
| + mime_type->assign("text/html");
|
| + charset->assign("UTF8");
|
| +
|
| + data->clear();
|
| + AboutHistogram(data, path_);
|
| + return true;
|
| +}
|
| +
|
| +} // namespace content
|
|
|
Chromium Code Reviews
Issue 10454086:
Histograms - Support histograms for Plugins, GPU (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/