chrome/app/chrome_crash_reporter_client_mac.mm

   1 // Copyright 2013 The Chromium Authors
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/app/chrome_crash_reporter_client.h"
   6
   7 #include <CoreFoundation/CoreFoundation.h>
   8
   9 #include "base/apple/scoped_cftyperef.h"
  10 #include "base/path_service.h"
  11 #include "base/rand_util.h"
  12 #include "base/strings/sys_string_conversions.h"
  13 #include "chrome/common/channel_info.h"
  14 #include "chrome/common/chrome_paths.h"
  15 #include "components/policy/policy_constants.h"
  16 #include "components/version_info/version_info.h"
  17
  18 bool ChromeCrashReporterClient::ReportingIsEnforcedByPolicy(
  19     bool* breakpad_enabled) {
  20   base::apple::ScopedCFTypeRef<CFStringRef> key =
  21       base::SysUTF8ToCFStringRef(policy::key::kMetricsReportingEnabled);
  22   Boolean key_valid;
  23   Boolean metrics_reporting_enabled = CFPreferencesGetAppBooleanValue(key,
  24       kCFPreferencesCurrentApplication, &key_valid);
  25   if (key_valid &&
  26       CFPreferencesAppValueIsForced(key, kCFPreferencesCurrentApplication)) {
  27     *breakpad_enabled = metrics_reporting_enabled;
  28     return true;
  29   }
  30   return false;
  31 }
  32
  33 bool ChromeCrashReporterClient::ShouldMonitorCrashHandlerExpensively() {
  34   // This mechanism dedicates a process to be crashpad_handler's own
  35   // crashpad_handler. In Google Chrome, scale back on this in the more stable
  36   // channels. Other builds are of more of a developmental nature, so always
  37   // enable the additional crash reporting.
  38   double probability;
  39   switch (chrome::GetChannel()) {
  40     case version_info::Channel::STABLE:
  41       probability = 0.01;
  42       break;
  43
  44     case version_info::Channel::BETA:
  45       probability = 0.1;
  46       break;
  47
  48     case version_info::Channel::DEV:
  49       probability = 0.25;
  50       break;
  51
  52     default:
  53       return true;
  54   }
  55
  56   return base::RandDouble() < probability;
  57 }