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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "chrome_frame/crash_reporting/crash_metrics.h" | |
| 6 | |
| 7 #include "base/metrics/histogram.h" | |
| 8 #include "base/win/registry.h" | |
| 9 #include "chrome_frame/utils.h" | |
| 10 | |
| 11 static const wchar_t kChromeFrameMetricsKey[] = | |
| 12 L"Software\\Google\\ChromeFrameMetrics"; | |
| 13 | |
| 14 base::LazyInstance<CrashMetricsReporter> | |
| 15 g_crash_metrics_instance_ = LAZY_INSTANCE_INITIALIZER; | |
| 16 | |
| 17 wchar_t* CrashMetricsReporter::g_metric_names[LAST_METRIC] = { | |
| 18 L"navigationcount", | |
| 19 L"crashcount", | |
| 20 L"chrome_frame_navigationcount", | |
| 21 L"sessionid", | |
| 22 L"channel_error", | |
| 23 }; | |
| 24 | |
| 25 CrashMetricsReporter* CrashMetricsReporter::GetInstance() { | |
| 26 return &g_crash_metrics_instance_.Get(); | |
| 27 } | |
| 28 | |
| 29 bool CrashMetricsReporter::SetMetric(Metric metric, int value) { | |
| 30 DCHECK(metric >= NAVIGATION_COUNT && metric <= LAST_METRIC); | |
| 31 | |
| 32 base::win::RegKey metric_key; | |
| 33 LONG result = metric_key.Create(HKEY_CURRENT_USER, kChromeFrameMetricsKey, | |
| 34 KEY_SET_VALUE); | |
| 35 if (result == ERROR_SUCCESS) { | |
| 36 result = metric_key.WriteValue(g_metric_names[metric], value); | |
| 37 if (result == ERROR_SUCCESS) { | |
| 38 return true; | |
| 39 } else { | |
| 40 DLOG(ERROR) << "Failed to read ChromeFrame metric:" | |
| 41 << g_metric_names[metric] << " error: " << result; | |
| 42 } | |
| 43 } else { | |
| 44 DLOG(ERROR) << "Failed to create ChromeFrame metrics key. error: " | |
| 45 << result; | |
| 46 } | |
| 47 return false; | |
| 48 } | |
| 49 | |
| 50 int CrashMetricsReporter::GetMetric(Metric metric) { | |
| 51 DCHECK(metric >= NAVIGATION_COUNT && metric <= LAST_METRIC); | |
| 52 | |
| 53 int ret = 0; | |
| 54 base::win::RegKey metric_key; | |
| 55 if (metric_key.Open(HKEY_CURRENT_USER, kChromeFrameMetricsKey, | |
| 56 KEY_QUERY_VALUE) == ERROR_SUCCESS) { | |
| 57 metric_key.ReadValueDW(g_metric_names[metric], | |
| 58 reinterpret_cast<DWORD*>(&ret)); | |
| 59 } | |
| 60 | |
| 61 return ret; | |
| 62 } | |
| 63 | |
| 64 int CrashMetricsReporter::IncrementMetric(Metric metric) { | |
| 65 DCHECK(metric >= NAVIGATION_COUNT && metric <= LAST_METRIC); | |
| 66 int metric_value = GetMetric(metric); | |
| 67 metric_value++; | |
| 68 SetMetric(metric, metric_value); | |
| 69 return metric_value; | |
| 70 } | |
| 71 | |
| 72 void CrashMetricsReporter::RecordCrashMetrics() { | |
| 73 int navigation_count = GetMetric(NAVIGATION_COUNT); | |
| 74 if (navigation_count > 0) { | |
| 75 UMA_HISTOGRAM_COUNTS("ChromeFrame.HostNavigationCount", navigation_count); | |
| 76 SetMetric(NAVIGATION_COUNT, 0); | |
| 77 } | |
| 78 | |
| 79 int chrome_frame_navigation_count = GetMetric(CHROME_FRAME_NAVIGATION_COUNT); | |
| 80 if (chrome_frame_navigation_count > 0) { | |
| 81 UMA_HISTOGRAM_COUNTS("ChromeFrame.CFNavigationCount", | |
| 82 chrome_frame_navigation_count); | |
| 83 SetMetric(CHROME_FRAME_NAVIGATION_COUNT, 0); | |
| 84 } | |
| 85 | |
| 86 int crash_count = GetMetric(CRASH_COUNT); | |
| 87 if (crash_count > 0) { | |
| 88 UMA_HISTOGRAM_COUNTS("ChromeFrame.HostCrashCount", crash_count); | |
| 89 SetMetric(CRASH_COUNT, 0); | |
| 90 } | |
| 91 | |
| 92 int channel_error_count = GetMetric(CHANNEL_ERROR_COUNT); | |
| 93 if (channel_error_count > 0) { | |
| 94 UMA_HISTOGRAM_COUNTS("ChromeFrame.ChannelErrorCount", channel_error_count); | |
| 95 SetMetric(CHANNEL_ERROR_COUNT, 0); | |
| 96 } | |
| 97 } | |
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