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// Copyright 2012 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/net_benchmarking.h"
#include <memory>
#include <utility>
#include "base/command_line.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/time/time.h"
#include "chrome/browser/predictors/loading_predictor.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/net_benchmarking.mojom.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/storage_partition.h"
#include "mojo/public/cpp/bindings/self_owned_receiver.h"
#include "services/network/public/mojom/clear_data_filter.mojom.h"
#include "services/network/public/mojom/network_context.mojom.h"
using content::BrowserThread;
namespace {
network::mojom::NetworkContext* GetNetworkContext(int render_process_id) {
content::RenderProcessHost* render_process_host =
content::RenderProcessHost::FromID(render_process_id);
if (!render_process_host)
return nullptr;
return render_process_host->GetStoragePartition()->GetNetworkContext();
}
} // namespace
NetBenchmarking::NetBenchmarking(
base::WeakPtr<predictors::LoadingPredictor> loading_predictor,
int render_process_id)
: loading_predictor_(loading_predictor),
render_process_id_(render_process_id) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
}
NetBenchmarking::~NetBenchmarking() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
}
// static
void NetBenchmarking::Create(
base::WeakPtr<predictors::LoadingPredictor> loading_predictor,
int render_process_id,
mojo::PendingReceiver<chrome::mojom::NetBenchmarking> receiver) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
mojo::MakeSelfOwnedReceiver(
std::make_unique<NetBenchmarking>(std::move(loading_predictor),
render_process_id),
std::move(receiver));
}
// static
bool NetBenchmarking::CheckBenchmarkingEnabled() {
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
return command_line.HasSwitch(switches::kEnableNetBenchmarking);
}
void NetBenchmarking::ClearCache(ClearCacheCallback callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
auto* network_context = GetNetworkContext(render_process_id_);
CHECK(network_context);
network_context->ClearHttpCache(base::Time(), base::Time(), nullptr,
std::move(callback));
}
void NetBenchmarking::ClearHostResolverCache(
ClearHostResolverCacheCallback callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
auto* network_context = GetNetworkContext(render_process_id_);
CHECK(network_context);
network_context->ClearHostCache(nullptr, std::move(callback));
}
void NetBenchmarking::CloseCurrentConnections(
CloseCurrentConnectionsCallback callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
auto* network_context = GetNetworkContext(render_process_id_);
CHECK(network_context);
network_context->CloseAllConnections(std::move(callback));
}
void NetBenchmarking::ClearPredictorCache(
ClearPredictorCacheCallback callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (loading_predictor_)
loading_predictor_->resource_prefetch_predictor()->DeleteAllUrls();
std::move(callback).Run();
}
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