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
|
// Copyright 2017 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.
#include "components/metrics/metrics_rotation_scheduler.h"
#include "base/metrics/histogram_macros.h"
#include "build/build_config.h"
namespace metrics {
MetricsRotationScheduler::MetricsRotationScheduler(
const base::Closure& upload_callback,
const base::Callback<base::TimeDelta(void)>& upload_interval_callback)
: MetricsScheduler(upload_callback),
init_task_complete_(false),
waiting_for_init_task_complete_(false),
upload_interval_callback_(upload_interval_callback) {}
MetricsRotationScheduler::~MetricsRotationScheduler() {}
void MetricsRotationScheduler::InitTaskComplete() {
DCHECK(!init_task_complete_);
init_task_complete_ = true;
if (waiting_for_init_task_complete_) {
waiting_for_init_task_complete_ = false;
TriggerTask();
} else {
LogMetricsInitSequence(INIT_TASK_COMPLETED_FIRST);
}
}
void MetricsRotationScheduler::RotationFinished() {
TaskDone(upload_interval_callback_.Run());
}
void MetricsRotationScheduler::LogMetricsInitSequence(InitSequence sequence) {
UMA_HISTOGRAM_ENUMERATION("UMA.InitSequence", sequence,
INIT_SEQUENCE_ENUM_SIZE);
}
void MetricsRotationScheduler::TriggerTask() {
// If the timer fired before the init task has completed, don't trigger the
// upload yet - wait for the init task to complete and do it then.
if (!init_task_complete_) {
LogMetricsInitSequence(TIMER_FIRED_FIRST);
waiting_for_init_task_complete_ = true;
return;
}
MetricsScheduler::TriggerTask();
}
} // namespace metrics
|
