| // Copyright 2014 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. |
| |
| #ifndef CHROMECAST_BROWSER_METRICS_CAST_STABILITY_METRICS_PROVIDER_H_ |
| #define CHROMECAST_BROWSER_METRICS_CAST_STABILITY_METRICS_PROVIDER_H_ |
| |
| #include "base/macros.h" |
| #include "base/process/kill.h" |
| #include "components/metrics/metrics_provider.h" |
| #include "content/public/browser/browser_child_process_observer.h" |
| #include "content/public/browser/notification_observer.h" |
| #include "content/public/browser/notification_registrar.h" |
| |
| class PrefRegistrySimple; |
| |
| namespace content { |
| class RenderProcessHost; |
| class WebContents; |
| } |
| |
| namespace metrics { |
| class MetricsService; |
| } |
| |
| namespace chromecast { |
| namespace metrics { |
| |
| // CastStabilityMetricsProvider gathers and logs stability-related metrics. |
| // Loosely based on ChromeStabilityMetricsProvider from chrome/browser/metrics. |
| class CastStabilityMetricsProvider |
| : public ::metrics::MetricsProvider, |
| public content::BrowserChildProcessObserver, |
| public content::NotificationObserver { |
| public: |
| // Registers local state prefs used by this class. |
| static void RegisterPrefs(PrefRegistrySimple* registry); |
| |
| explicit CastStabilityMetricsProvider( |
| ::metrics::MetricsService* metrics_service); |
| ~CastStabilityMetricsProvider() override; |
| |
| // metrics::MetricsDataProvider implementation: |
| void OnRecordingEnabled() override; |
| void OnRecordingDisabled() override; |
| void ProvideStabilityMetrics( |
| ::metrics::SystemProfileProto* system_profile_proto) override; |
| |
| // Logs an external crash, presumably from the ExternalMetrics service. |
| void LogExternalCrash(const std::string& crash_type); |
| |
| private: |
| // content::NotificationObserver implementation: |
| void Observe(int type, |
| const content::NotificationSource& source, |
| const content::NotificationDetails& details) override; |
| |
| // content::BrowserChildProcessObserver implementation: |
| void BrowserChildProcessCrashed( |
| const content::ChildProcessData& data, |
| int exit_code) override; |
| |
| // Records a renderer process crash. |
| void LogRendererCrash(content::RenderProcessHost* host, |
| base::TerminationStatus status, |
| int exit_code); |
| |
| // Records a renderer process hang. |
| void LogRendererHang(); |
| |
| // Registrar for receiving stability-related notifications. |
| content::NotificationRegistrar registrar_; |
| |
| // Reference to the current MetricsService. Raw pointer is safe, since |
| // MetricsService is responsible for the lifetime of |
| // CastStabilityMetricsProvider. |
| ::metrics::MetricsService* metrics_service_; |
| |
| DISALLOW_COPY_AND_ASSIGN(CastStabilityMetricsProvider); |
| }; |
| |
| } // namespace metrics |
| } // namespace chromecast |
| |
| #endif // CHROMECAST_BROWSER_METRICS_CAST_STABILITY_METRICS_PROVIDER_H_ |