blob: 966d647ce782c97e1cb3df0be08b7b26d9c72e4e [file] [log] [blame]
// 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;
class PrefService;
namespace content {
class RenderProcessHost;
}
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);
CastStabilityMetricsProvider(::metrics::MetricsService* metrics_service,
PrefService* pref_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,
const content::ChildProcessTerminationInfo& info) override;
// Records a renderer process crash.
void LogRendererCrash(content::RenderProcessHost* host,
base::TerminationStatus status,
int exit_code);
// Records a renderer process hang.
void LogRendererHang();
// Increments the specified pref by 1.
void IncrementPrefValue(const char* path);
// 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_;
PrefService* const pref_service_;
DISALLOW_COPY_AND_ASSIGN(CastStabilityMetricsProvider);
};
} // namespace metrics
} // namespace chromecast
#endif // CHROMECAST_BROWSER_METRICS_CAST_STABILITY_METRICS_PROVIDER_H_