File: environment_recorder.h

package info (click to toggle)
chromium 139.0.7258.127-1
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 6,122,068 kB
  • sloc: cpp: 35,100,771; ansic: 7,163,530; javascript: 4,103,002; python: 1,436,920; asm: 946,517; xml: 746,709; pascal: 187,653; perl: 88,691; sh: 88,436; objc: 79,953; sql: 51,488; cs: 44,583; fortran: 24,137; makefile: 22,147; tcl: 15,277; php: 13,980; yacc: 8,984; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (61 lines) | stat: -rw-r--r-- 1,935 bytes parent folder | download | duplicates (11)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_METRICS_ENVIRONMENT_RECORDER_H_
#define COMPONENTS_METRICS_ENVIRONMENT_RECORDER_H_

#include <string>

#include "base/memory/raw_ptr.h"

class PrefService;
class PrefRegistrySimple;

namespace metrics {

class SystemProfileProto;

// Stores system profile information to prefs for creating stability logs
// in the next launch of chrome, and reads data from previous launches.
class EnvironmentRecorder {
 public:
  explicit EnvironmentRecorder(PrefService* local_state);

  EnvironmentRecorder(const EnvironmentRecorder&) = delete;
  EnvironmentRecorder& operator=(const EnvironmentRecorder&) = delete;

  ~EnvironmentRecorder();

  // Serializes the system profile and records it in prefs for the next
  // session.  Returns the uncompressed serialized proto for passing to crash
  // reports, or the empty string if the proto can't be serialized.
  std::string SerializeAndRecordEnvironmentToPrefs(
      const SystemProfileProto& system_profile);

  // Loads the system_profile data stored in a previous chrome session, and
  // stores it in the |system_profile| object.
  // Returns true iff a system profile was successfully read.
  bool LoadEnvironmentFromPrefs(SystemProfileProto* system_profile);

  // Deletes system profile data from prefs.
  void ClearEnvironmentFromPrefs();

  // Stores the buildtime of the current binary and version in prefs.
  void SetBuildtimeAndVersion(int64_t buildtime, const std::string& version);

  // Gets the buildtime stored in prefs.
  int64_t GetLastBuildtime();

  // Gets the version stored in prefs.
  std::string GetLastVersion();

  static void RegisterPrefs(PrefRegistrySimple* registry);

 private:
  raw_ptr<PrefService> local_state_;
};

}  // namespace metrics

#endif  // COMPONENTS_METRICS_ENVIRONMENT_RECORDER_H_