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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/network/network_service_process_tracker_win.h"
#include "base/no_destructor.h"
#include "base/process/process.h"
#include "base/sequence_checker.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/network_service_util.h"
#include "content/public/browser/service_process_host.h"
#include "content/public/browser/service_process_info.h"
#include "services/network/public/mojom/network_service.mojom.h"
namespace content {
namespace {
class NetworkServiceListener : public ServiceProcessHost::Observer {
public:
NetworkServiceListener();
NetworkServiceListener(const NetworkServiceListener&) = delete;
NetworkServiceListener& operator=(const NetworkServiceListener&) = delete;
~NetworkServiceListener() override;
const base::Process& GetNetworkServiceProcess() const;
private:
// ServiceProcessHost::Observer implementation:
void OnServiceProcessLaunched(const ServiceProcessInfo& info) override;
void OnServiceProcessTerminatedNormally(
const ServiceProcessInfo& info) override;
void OnServiceProcessCrashed(const ServiceProcessInfo& info) override;
base::Process network_process_;
SEQUENCE_CHECKER(owning_sequence_);
};
const NetworkServiceListener& GetInstance() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
static base::NoDestructor<NetworkServiceListener> listener;
return *listener;
}
NetworkServiceListener::NetworkServiceListener() {
ServiceProcessHost::AddObserver(this);
auto running_processes = ServiceProcessHost::GetRunningProcessInfo();
for (const auto& info : running_processes) {
if (info.IsService<network::mojom::NetworkService>()) {
network_process_ = info.GetProcess().Duplicate();
break;
}
}
}
NetworkServiceListener::~NetworkServiceListener() {
DCHECK_CALLED_ON_VALID_SEQUENCE(owning_sequence_);
ServiceProcessHost::RemoveObserver(this);
}
const base::Process& NetworkServiceListener::GetNetworkServiceProcess() const {
DCHECK_CALLED_ON_VALID_SEQUENCE(owning_sequence_);
return network_process_;
}
void NetworkServiceListener::OnServiceProcessLaunched(
const ServiceProcessInfo& info) {
DCHECK_CALLED_ON_VALID_SEQUENCE(owning_sequence_);
if (!info.IsService<network::mojom::NetworkService>())
return;
network_process_ = info.GetProcess().Duplicate();
}
void NetworkServiceListener::OnServiceProcessTerminatedNormally(
const ServiceProcessInfo& info) {
DCHECK_CALLED_ON_VALID_SEQUENCE(owning_sequence_);
if (!info.IsService<network::mojom::NetworkService>())
return;
network_process_ = base::Process();
}
void NetworkServiceListener::OnServiceProcessCrashed(
const ServiceProcessInfo& info) {
DCHECK_CALLED_ON_VALID_SEQUENCE(owning_sequence_);
if (!info.IsService<network::mojom::NetworkService>())
return;
network_process_ = base::Process();
}
} // namespace
base::Process GetNetworkServiceProcess() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (IsInProcessNetworkService())
return base::Process::Current().Duplicate();
return GetInstance().GetNetworkServiceProcess().Duplicate();
}
} // namespace content
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