Index: components/rappor/rappor_service.h |
diff --git a/components/rappor/rappor_service.h b/components/rappor/rappor_service.h |
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+// Copyright (c) 2013 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 COMPONENTS_RAPPOR_RAPPOR_SERVICE_H_ |
+#define COMPONENTS_RAPPOR_RAPPOR_SERVICE_H_ |
+ |
+#include <string> |
+#include <vector> |
+ |
+#include "base/basictypes.h" |
+#include "base/lazy_instance.h" |
+#include "base/memory/weak_ptr.h" |
+#include "base/prefs/pref_service.h" |
+#include "base/time/time.h" |
+#include "base/timer/timer.h" |
+#include "components/rappor/log_uploader.h" |
+#include "components/rappor/proto/rappor_metric.pb.h" |
+#include "components/rappor/rappor_metric.h" |
+ |
+class PrefRegistrySimple; |
+ |
+namespace rappor { |
+ |
+class RapporReporter; |
+ |
+// This class provides base functionality for logging rappor data. |
+class RapporService { |
+ public: |
+ RapporService(); |
+ virtual ~RapporService(); |
+ |
+ // Starts the rappord system. Should be called when starting up. |
+ void Start(PrefService* pref_service, net::URLRequestContextGetter* context); |
+ |
+ // Registers the names of all of the Preferences used by RapporService in the |
+ // provided PrefRegistry. This should be called before calling Start(). |
+ static void RegisterPrefs(PrefRegistrySimple* registry); |
+ |
+ // Records a set of samples on the rappor metric specified by |parameters|. |
+ // Creates and initializes the metric, if it doesn't yet exist. |
+ void RecordSamples(const RapporParameters& parameters, |
+ const std::vector<std::string>& samples); |
+ |
+ private: |
+ friend class RapporServiceTest; |
+ |
+ // Generates a rappor_secret and stores it in preferences. If already stored, |
+ // just retreives the stored value. |
+ void GenerateRapporSecret(PrefService* pref_service); |
+ |
+ // Logs a single RapporMetric value to the rappor_metrics_proto_. |
+ void LogRappor(const RapporMetric& rappor); |
+ |
+ // Logs all of the collected RapporMetric metrics to the rappor_metric_proto_. |
+ void LogRapporMetrics(); |
+ |
+ // Called whenever the logging interval elapses. |
+ void OnLogInterval(); |
+ |
+ // Find a rappor metric by name, and create it if it doesn't already exist. |
+ RapporMetric* GetRapporMetric(const RapporParameters& parameters); |
+ |
+ // Client side secret used to generate fake bits. |
+ std::string rappor_secret_; |
+ |
+ RapporMetricsProto rappor_metrics_proto_; |
+ |
+ // Timer which schedules calls OnLogInterval() |
+ base::OneShotTimer<RapporService> log_rotation_timer_; |
+ |
+ LogUploader uploader_; |
+ |
+ // We keep all registered histograms in a map, from name to histogram. |
+ typedef std::map<std::string, RapporMetric*> RapporMap; |
+ RapporMap rappors_; |
+ |
+ // Lock protects access to above map. |
+ base::Lock lock_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(RapporService); |
+}; |
+ |
+} // namespace rappor |
+ |
+#endif // COMPONENTS_RAPPOR_RAPPOR_SERVICE_H_ |