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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/process_resource_usage.h"
#include <utility>
#include "base/check.h"
#include "base/functional/bind.h"
#include "base/location.h"
#include "base/task/single_thread_task_runner.h"
#include "content/public/common/resource_usage_reporter_type_converters.h"
ProcessResourceUsage::ProcessResourceUsage(
mojo::PendingRemote<content::mojom::ResourceUsageReporter> service)
: service_(std::move(service)), update_in_progress_(false) {
service_.set_disconnect_handler(
base::BindOnce(&ProcessResourceUsage::RunPendingRefreshCallbacks,
base::Unretained(this)));
}
ProcessResourceUsage::~ProcessResourceUsage() {
DCHECK(thread_checker_.CalledOnValidThread());
}
void ProcessResourceUsage::RunPendingRefreshCallbacks() {
DCHECK(thread_checker_.CalledOnValidThread());
auto task_runner = base::SingleThreadTaskRunner::GetCurrentDefault();
base::circular_deque<base::OnceClosure> callbacks;
std::swap(callbacks, refresh_callbacks_);
for (auto& callback : callbacks)
task_runner->PostTask(FROM_HERE, std::move(callback));
}
void ProcessResourceUsage::Refresh(base::OnceClosure callback) {
DCHECK(thread_checker_.CalledOnValidThread());
if (!service_ || !service_.is_connected()) {
if (!callback.is_null())
base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, std::move(callback));
return;
}
if (!callback.is_null())
refresh_callbacks_.push_back(std::move(callback));
if (!update_in_progress_) {
update_in_progress_ = true;
service_->GetUsageData(base::BindOnce(&ProcessResourceUsage::OnRefreshDone,
base::Unretained(this)));
}
}
void ProcessResourceUsage::OnRefreshDone(
content::mojom::ResourceUsageDataPtr data) {
DCHECK(thread_checker_.CalledOnValidThread());
update_in_progress_ = false;
stats_ = std::move(data);
RunPendingRefreshCallbacks();
}
bool ProcessResourceUsage::ReportsV8MemoryStats() const {
DCHECK(thread_checker_.CalledOnValidThread());
if (stats_)
return stats_->reports_v8_stats;
return false;
}
size_t ProcessResourceUsage::GetV8MemoryAllocated() const {
DCHECK(thread_checker_.CalledOnValidThread());
if (stats_ && stats_->reports_v8_stats)
return stats_->v8_bytes_allocated;
return 0;
}
size_t ProcessResourceUsage::GetV8MemoryUsed() const {
DCHECK(thread_checker_.CalledOnValidThread());
if (stats_ && stats_->reports_v8_stats)
return stats_->v8_bytes_used;
return 0;
}
blink::WebCacheResourceTypeStats
ProcessResourceUsage::GetBlinkMemoryCacheStats() const {
DCHECK(thread_checker_.CalledOnValidThread());
if (stats_ && stats_->web_cache_stats)
return stats_->web_cache_stats->To<blink::WebCacheResourceTypeStats>();
return {};
}
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