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// Copyright (c) 2012 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 "content/utility/utility_thread_impl.h"
#include <utility>
#include "base/command_line.h"
#include "build/build_config.h"
#include "content/child/blink_platform_impl.h"
#include "content/child/child_process.h"
#include "content/public/common/service_manager_connection.h"
#include "content/public/common/simple_connection_filter.h"
#include "content/public/utility/content_utility_client.h"
#include "content/utility/utility_blink_platform_impl.h"
#include "content/utility/utility_blink_platform_with_sandbox_support_impl.h"
#include "content/utility/utility_service_factory.h"
#include "ipc/ipc_sync_channel.h"
#include "mojo/public/cpp/bindings/strong_binding.h"
#include "services/service_manager/public/cpp/binder_registry.h"
#include "services/service_manager/sandbox/switches.h"
#if !defined(OS_ANDROID)
#include "content/public/common/resource_usage_reporter.mojom.h"
#include "net/proxy_resolution/proxy_resolver_v8.h"
#endif
#if defined(OS_MACOSX)
#include "content/common/font_loader_mac.mojom.h"
#include "content/public/common/service_names.mojom.h"
#include "services/service_manager/public/cpp/connector.h"
#endif
namespace content {
#if !defined(OS_ANDROID)
class ResourceUsageReporterImpl : public mojom::ResourceUsageReporter {
public:
ResourceUsageReporterImpl() {}
~ResourceUsageReporterImpl() override {}
private:
void GetUsageData(GetUsageDataCallback callback) override {
mojom::ResourceUsageDataPtr data = mojom::ResourceUsageData::New();
size_t total_heap_size = net::ProxyResolverV8::GetTotalHeapSize();
if (total_heap_size) {
data->reports_v8_stats = true;
data->v8_bytes_allocated = total_heap_size;
data->v8_bytes_used = net::ProxyResolverV8::GetUsedHeapSize();
}
std::move(callback).Run(std::move(data));
}
DISALLOW_COPY_AND_ASSIGN(ResourceUsageReporterImpl);
};
void CreateResourceUsageReporter(mojom::ResourceUsageReporterRequest request) {
mojo::MakeStrongBinding(std::make_unique<ResourceUsageReporterImpl>(),
std::move(request));
}
#endif // !defined(OS_ANDROID)
UtilityThreadImpl::UtilityThreadImpl()
: ChildThreadImpl(ChildThreadImpl::Options::Builder()
.AutoStartServiceManagerConnection(false)
.Build()) {
Init();
}
UtilityThreadImpl::UtilityThreadImpl(const InProcessChildThreadParams& params)
: ChildThreadImpl(ChildThreadImpl::Options::Builder()
.AutoStartServiceManagerConnection(false)
.InBrowserProcess(params)
.Build()) {
Init();
}
UtilityThreadImpl::~UtilityThreadImpl() = default;
void UtilityThreadImpl::Shutdown() {
ChildThreadImpl::Shutdown();
}
void UtilityThreadImpl::ReleaseProcess() {
if (!IsInBrowserProcess()) {
ChildProcess::current()->ReleaseProcess();
return;
}
// Close the channel to cause the UtilityProcessHost to be deleted. We need to
// take a different code path than the multi-process case because that case
// depends on the child process going away to close the channel, but that
// can't happen when we're in single process mode.
channel()->Close();
}
void UtilityThreadImpl::EnsureBlinkInitialized() {
EnsureBlinkInitializedInternal(/*sandbox_support=*/false);
}
#if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_FUCHSIA)
void UtilityThreadImpl::EnsureBlinkInitializedWithSandboxSupport() {
EnsureBlinkInitializedInternal(/*sandbox_support=*/true);
}
#endif
void UtilityThreadImpl::EnsureBlinkInitializedInternal(bool sandbox_support) {
if (blink_platform_impl_)
return;
// We can only initialize Blink on one thread, and in single process mode
// we run the utility thread on a separate thread. This means that if any
// code needs Blink initialized in the utility process, they need to have
// another path to support single process mode.
if (IsInBrowserProcess())
return;
blink_platform_impl_ =
sandbox_support
? std::make_unique<UtilityBlinkPlatformWithSandboxSupportImpl>()
: std::make_unique<UtilityBlinkPlatformImpl>();
blink::Platform::Initialize(blink_platform_impl_.get());
}
void UtilityThreadImpl::Init() {
ChildProcess::current()->AddRefProcess();
auto registry = std::make_unique<service_manager::BinderRegistry>();
registry->AddInterface(
base::Bind(&UtilityThreadImpl::BindServiceFactoryRequest,
base::Unretained(this)),
base::ThreadTaskRunnerHandle::Get());
#if !defined(OS_ANDROID)
if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
service_manager::switches::kNoneSandboxAndElevatedPrivileges)) {
registry->AddInterface(base::BindRepeating(CreateResourceUsageReporter),
base::ThreadTaskRunnerHandle::Get());
}
#endif // !defined(OS_ANDROID)
content::ServiceManagerConnection* connection = GetServiceManagerConnection();
if (connection) {
connection->AddConnectionFilter(
std::make_unique<SimpleConnectionFilter>(std::move(registry)));
}
GetContentClient()->utility()->UtilityThreadStarted();
service_factory_.reset(new UtilityServiceFactory);
if (connection)
connection->Start();
}
bool UtilityThreadImpl::OnControlMessageReceived(const IPC::Message& msg) {
return GetContentClient()->utility()->OnMessageReceived(msg);
}
#if defined(OS_MACOSX)
mojom::FontLoaderMac* UtilityThreadImpl::GetFontLoaderMac() {
DCHECK(font_loader_mac_ptr_);
return font_loader_mac_ptr_.get();
}
void UtilityThreadImpl::InitializeFontLoaderMac(
service_manager::Connector* connector) {
if (!font_loader_mac_ptr_) {
connector->BindInterface(content::mojom::kBrowserServiceName,
&font_loader_mac_ptr_);
}
}
#endif
void UtilityThreadImpl::BindServiceFactoryRequest(
service_manager::mojom::ServiceFactoryRequest request) {
DCHECK(service_factory_);
service_factory_bindings_.AddBinding(service_factory_.get(),
std::move(request));
}
} // namespace content
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