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// Copyright 2016 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 "services/service_manager/background_service_manager.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/command_line.h"
#include "base/logging.h"
#include "base/memory/ref_counted.h"
#include "base/message_loop/message_pump_default.h"
#include "base/path_service.h"
#include "base/run_loop.h"
#include "base/sequenced_task_runner.h"
#include "base/single_thread_task_runner.h"
#include "base/synchronization/waitable_event.h"
#include "base/threading/simple_thread.h"
#include "services/service_manager/public/cpp/service.h"
#include "services/service_manager/service_manager.h"
namespace service_manager {
BackgroundServiceManager::BackgroundServiceManager(
const std::vector<Manifest>& manifests)
: background_thread_("service_manager") {
background_thread_.Start();
background_thread_.task_runner()->PostTask(
FROM_HERE,
base::BindOnce(&BackgroundServiceManager::InitializeOnBackgroundThread,
base::Unretained(this), manifests));
}
BackgroundServiceManager::~BackgroundServiceManager() {
base::WaitableEvent done_event(
base::WaitableEvent::ResetPolicy::MANUAL,
base::WaitableEvent::InitialState::NOT_SIGNALED);
background_thread_.task_runner()->PostTask(
FROM_HERE,
base::BindOnce(&BackgroundServiceManager::ShutDownOnBackgroundThread,
base::Unretained(this), &done_event));
done_event.Wait();
DCHECK(!service_manager_);
}
void BackgroundServiceManager::RegisterService(
const Identity& identity,
mojo::PendingRemote<mojom::Service> service,
mojo::PendingReceiver<mojom::ProcessMetadata> metadata_receiver) {
background_thread_.task_runner()->PostTask(
FROM_HERE,
base::BindOnce(
&BackgroundServiceManager::RegisterServiceOnBackgroundThread,
base::Unretained(this), identity, std::move(service),
std::move(metadata_receiver)));
}
void BackgroundServiceManager::InitializeOnBackgroundThread(
const std::vector<Manifest>& manifests) {
service_manager_ = std::make_unique<ServiceManager>(
manifests, ServiceManager::ServiceExecutablePolicy::kSupported);
}
void BackgroundServiceManager::ShutDownOnBackgroundThread(
base::WaitableEvent* done_event) {
service_manager_.reset();
done_event->Signal();
}
void BackgroundServiceManager::RegisterServiceOnBackgroundThread(
const Identity& identity,
mojo::PendingRemote<mojom::Service> service,
mojo::PendingReceiver<mojom::ProcessMetadata> metadata_receiver) {
service_manager_->RegisterService(identity, std::move(service),
std::move(metadata_receiver));
}
} // namespace service_manager
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