components/browser_watcher/crash_reporting_metrics_win.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef COMPONENTS_BROWSER_WATCHER_CRASH_REPORTING_METRICS_WIN_H_
   6 #define COMPONENTS_BROWSER_WATCHER_CRASH_REPORTING_METRICS_WIN_H_
   7
   8 #include "base/strings/string16.h"
   9
  10 namespace browser_watcher {
  11
  12 // Stores and retrieves metrics related to crash dump attempts.
  13 class CrashReportingMetrics {
  14  public:
  15   // Represents the currently stored metrics.
  16   struct Values {
  17     // A count of crash dump attempts.
  18     int crash_dump_attempts;
  19     // A count of successful crash dump attempts.
  20     int successful_crash_dumps;
  21     // A count of failed crash dump attempts.
  22     int failed_crash_dumps;
  23     // A count of dump without crash attempts.
  24     int dump_without_crash_attempts;
  25     // A count of successful dump without crash attempts.
  26     int successful_dumps_without_crash;
  27     // A count of failed dump without crash attempts.
  28     int failed_dumps_without_crash;
  29   };
  30
  31   // Instantiates an instance that will store and retrieve its metrics from
  32   // |registry_path|.
  33   explicit CrashReportingMetrics(const base::string16& registry_path);
  34
  35   // Records that a crash dump is being attempted.
  36   void RecordCrashDumpAttempt();
  37
  38   // Records that a dump without crash is being attempted.
  39   void RecordDumpWithoutCrashAttempt();
  40
  41   // Records the result of a crash dump attempt.
  42   void RecordCrashDumpAttemptResult(bool succeeded);
  43
  44   // Records the result of a dump without crash attempt.
  45   void RecordDumpWithoutCrashAttemptResult(bool succeeded);
  46
  47   // Returns the currently stored metrics and resets them to 0.
  48   Values RetrieveAndResetMetrics();
  49
  50  private:
  51   base::string16 registry_path_;
  52 };
  53
  54 }  // namespace browser_watcher
  55
  56 #endif  // COMPONENTS_BROWSER_WATCHER_CRASH_REPORTING_METRICS_WIN_H_