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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/system_cpu/pressure_test_support.h"
#include <utility>
#include "base/check_op.h"
#include "base/functional/bind.h"
#include "base/location.h"
#include "base/memory/scoped_refptr.h"
#include "base/sequence_checker.h"
#include "base/task/sequenced_task_runner.h"
namespace system_cpu {
FakeCpuProbe::FakeCpuProbe(base::TimeDelta response_delay)
: response_delay_(response_delay) {}
FakeCpuProbe::~FakeCpuProbe() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
}
void FakeCpuProbe::Update(SampleCallback callback) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
base::AutoLock auto_lock(lock_);
base::SequencedTaskRunner::GetCurrentDefault()->PostDelayedTask(
FROM_HERE, base::BindOnce(std::move(callback), last_sample_),
response_delay_);
}
base::WeakPtr<CpuProbe> FakeCpuProbe::GetWeakPtr() {
return weak_factory_.GetWeakPtr();
}
void FakeCpuProbe::SetLastSample(std::optional<CpuSample> sample) {
base::AutoLock auto_lock(lock_);
last_sample_ = sample;
}
StreamingCpuProbe::StreamingCpuProbe(std::vector<CpuSample> samples,
base::OnceClosure callback)
: samples_(std::move(samples)), done_callback_(std::move(callback)) {
CHECK_GT(samples_.size(), 0u);
}
StreamingCpuProbe::~StreamingCpuProbe() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
}
void StreamingCpuProbe::Update(SampleCallback callback) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
++sample_index_;
if (sample_index_ < samples_.size()) {
base::SequencedTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE,
base::BindOnce(std::move(callback), samples_.at(sample_index_)));
return;
}
if (!done_callback_.is_null()) {
std::move(done_callback_).Run();
}
}
base::WeakPtr<CpuProbe> StreamingCpuProbe::GetWeakPtr() {
return weak_factory_.GetWeakPtr();
}
} // namespace system_cpu
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