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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROME_COMMON_METRICS_METRICS_SERVICE_BASE_H_ | 5 #ifndef CHROME_COMMON_METRICS_METRICS_SERVICE_BASE_H_ |
6 #define CHROME_COMMON_METRICS_METRICS_SERVICE_BASE_H_ | 6 #define CHROME_COMMON_METRICS_METRICS_SERVICE_BASE_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/metrics/histogram_base.h" | 9 #include "base/metrics/histogram_base.h" |
10 #include "base/metrics/histogram_flattener.h" | 10 #include "base/metrics/histogram_flattener.h" |
11 #include "base/metrics/histogram_snapshot_manager.h" | 11 #include "base/metrics/histogram_snapshot_manager.h" |
12 #include "chrome/common/metrics/metrics_log_manager.h" | 12 #include "chrome/common/metrics/metrics_log_manager.h" |
13 | 13 |
14 namespace base { | 14 namespace base { |
15 class HistogramSamples; | 15 class HistogramSamples; |
16 } // namespace base | 16 } // namespace base |
17 | 17 |
18 // This class provides base functionality for logging metrics data. | 18 // This class provides base functionality for logging metrics data. |
19 // TODO(ananta): Factor out more common code from chrome and chrome frame | 19 // TODO(ananta): Factor out more common code from chrome and chrome frame |
20 // metrics service into this class. | 20 // metrics service into this class. |
21 class MetricsServiceBase : public base::HistogramFlattener { | 21 class MetricsServiceBase : public base::HistogramFlattener { |
22 public: | 22 public: |
23 // HistogramFlattener interface (override) methods. | 23 // HistogramFlattener interface (override) methods. |
24 virtual void RecordDelta(const base::HistogramBase& histogram, | 24 virtual void RecordDelta(const base::HistogramBase& histogram, |
25 const base::HistogramSamples& snapshot) OVERRIDE; | 25 const base::HistogramSamples& snapshot) OVERRIDE; |
26 virtual void InconsistencyDetected( | 26 virtual void InconsistencyDetected( |
27 base::Histogram::Inconsistencies problem) OVERRIDE; | 27 base::HistogramBase::Inconsistency problem) OVERRIDE; |
28 virtual void UniqueInconsistencyDetected( | 28 virtual void UniqueInconsistencyDetected( |
29 base::Histogram::Inconsistencies problem) OVERRIDE; | 29 base::HistogramBase::Inconsistency problem) OVERRIDE; |
30 virtual void InconsistencyDetectedInLoggedCount(int amount) OVERRIDE; | 30 virtual void InconsistencyDetectedInLoggedCount(int amount) OVERRIDE; |
31 | 31 |
32 protected: | 32 protected: |
33 MetricsServiceBase(); | 33 MetricsServiceBase(); |
34 virtual ~MetricsServiceBase(); | 34 virtual ~MetricsServiceBase(); |
35 | 35 |
36 // The metrics servers' URLs, for XML and protobuf uploads. | 36 // The metrics servers' URLs, for XML and protobuf uploads. |
37 static const char kServerUrlXml[]; | 37 static const char kServerUrlXml[]; |
38 static const char kServerUrlProto[]; | 38 static const char kServerUrlProto[]; |
39 | 39 |
40 // The MIME types for the uploaded metrics data, for XML and protobuf uploads. | 40 // The MIME types for the uploaded metrics data, for XML and protobuf uploads. |
41 static const char kMimeTypeXml[]; | 41 static const char kMimeTypeXml[]; |
42 static const char kMimeTypeProto[]; | 42 static const char kMimeTypeProto[]; |
43 | 43 |
44 // Record complete list of histograms into the current log. | 44 // Record complete list of histograms into the current log. |
45 // Called when we close a log. | 45 // Called when we close a log. |
46 void RecordCurrentHistograms(); | 46 void RecordCurrentHistograms(); |
47 | 47 |
48 // Manager for the various in-flight logs. | 48 // Manager for the various in-flight logs. |
49 MetricsLogManager log_manager_; | 49 MetricsLogManager log_manager_; |
50 | 50 |
51 private: | 51 private: |
52 // |histogram_snapshot_manager_| prepares histogram deltas for transmission. | 52 // |histogram_snapshot_manager_| prepares histogram deltas for transmission. |
53 base::HistogramSnapshotManager histogram_snapshot_manager_; | 53 base::HistogramSnapshotManager histogram_snapshot_manager_; |
54 | 54 |
55 DISALLOW_COPY_AND_ASSIGN(MetricsServiceBase); | 55 DISALLOW_COPY_AND_ASSIGN(MetricsServiceBase); |
56 }; | 56 }; |
57 | 57 |
58 #endif // CHROME_COMMON_METRICS_METRICS_SERVICE_BASE_H_ | 58 #endif // CHROME_COMMON_METRICS_METRICS_SERVICE_BASE_H_ |
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