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// Copyright 2021 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/reporting/metrics/metric_event_observer_manager.h"
#include "base/bind.h"
#include "base/logging.h"
#include "base/task/bind_post_task.h"
#include "base/threading/sequenced_task_runner_handle.h"
#include "base/time/time.h"
#include "components/reporting/metrics/metric_data_collector.h"
#include "components/reporting/metrics/metric_report_queue.h"
#include "components/reporting/metrics/metric_reporting_controller.h"
#include "components/reporting/metrics/reporting_settings.h"
#include "components/reporting/metrics/sampler.h"
#include "components/reporting/util/status.h"
namespace reporting {
MetricEventObserverManager::MetricEventObserverManager(
std::unique_ptr<MetricEventObserver> event_observer,
MetricReportQueue* metric_report_queue,
ReportingSettings* reporting_settings,
const std::string& enable_setting_path,
bool setting_enabled_default_value,
std::vector<Sampler*> additional_samplers)
: event_observer_(std::move(event_observer)),
metric_report_queue_(metric_report_queue),
additional_samplers_collector_(
std::make_unique<AdditionalSamplersCollector>(
std::move(additional_samplers))) {
CHECK(base::SequencedTaskRunnerHandle::IsSet());
DETACH_FROM_SEQUENCE(sequence_checker_);
auto on_event_observed_cb =
base::BindRepeating(&MetricEventObserverManager::OnEventObserved,
weak_ptr_factory_.GetWeakPtr());
event_observer_->SetOnEventObservedCallback(base::BindPostTask(
base::SequencedTaskRunnerHandle::Get(), std::move(on_event_observed_cb)));
reporting_controller_ = std::make_unique<MetricReportingController>(
reporting_settings, enable_setting_path, setting_enabled_default_value,
base::BindRepeating(&MetricEventObserverManager::SetReportingEnabled,
base::Unretained(this),
/*is_enabled=*/true),
base::BindRepeating(&MetricEventObserverManager::SetReportingEnabled,
base::Unretained(this),
/*is_enabled=*/false));
}
MetricEventObserverManager::~MetricEventObserverManager() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
}
void MetricEventObserverManager::SetReportingEnabled(bool is_enabled) {
is_reporting_enabled_ = is_enabled;
event_observer_->SetReportingEnabled(is_enabled);
}
void MetricEventObserverManager::OnEventObserved(MetricData metric_data) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!is_reporting_enabled_) {
return;
}
metric_data.set_timestamp_ms(base::Time::Now().ToJavaTime());
additional_samplers_collector_->CollectAll(
base::BindOnce(&MetricEventObserverManager::Report,
base::Unretained(this)),
std::move(metric_data));
}
void MetricEventObserverManager::Report(MetricData metric_data) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
auto enqueue_cb = base::BindOnce([](Status status) {
if (!status.ok()) {
DVLOG(1)
<< "Could not enqueue observed event to reporting queue because of: "
<< status;
}
});
metric_report_queue_->Enqueue(metric_data, std::move(enqueue_cb));
}
} // namespace reporting
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