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//
// Copyright (C) 2016 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#include "dhcp_client/dbus/dbus_control.h"
#include "dhcp_client/dbus/manager_dbus_adaptor.h"
#include "dhcp_client/dbus/service_dbus_adaptor.h"
#include "dhcp_client/manager.h"
#include "dhcp_client/service.h"
using brillo::dbus_utils::AsyncEventSequencer;
using brillo::dbus_utils::ExportedObjectManager;
namespace dhcp_client {
namespace {
const char kServiceName[] = "org.chromium.dhcp_client";
const char kServicePath[] = "/org/chromium/dhcp_client";
} // namespace
DBusControl::DBusControl() {}
DBusControl::~DBusControl() {}
void DBusControl::Init() {
// Setup bus connection.
dbus::Bus::Options options;
options.bus_type = dbus::Bus::SYSTEM;
bus_ = new dbus::Bus(options);
CHECK(bus_->Connect());
// Create and register ObjectManager.
scoped_refptr<AsyncEventSequencer> sequencer(new AsyncEventSequencer());
object_manager_.reset(
new ExportedObjectManager(bus_, dbus::ObjectPath(kServicePath)));
object_manager_->RegisterAsync(
sequencer->GetHandler("ObjectManager.RegisterAsync() failed.", true));
// Create and register Manager.
manager_.reset(new Manager(this));
manager_->RegisterAsync(
sequencer->GetHandler("Manager.RegisterAsync() failed.", true));
// Take over the service ownership once the objects registration is completed.
sequencer->OnAllTasksCompletedCall({
base::Bind(&DBusControl::OnObjectRegistrationCompleted,
base::Unretained(this))
});
}
void DBusControl::Shutdown() {
manager_.reset();
object_manager_.reset();
if (bus_) {
bus_->ShutdownAndBlock();
}
}
void DBusControl::OnObjectRegistrationCompleted(bool registration_success) {
// Success should always be true since we've said that failures are fatal.
CHECK(registration_success) << "Init of one or more objects has failed.";
CHECK(bus_->RequestOwnershipAndBlock(kServiceName,
dbus::Bus::REQUIRE_PRIMARY))
<< "Unable to take ownership of " << kServiceName;
}
std::unique_ptr<ManagerAdaptorInterface> DBusControl::CreateManagerAdaptor(
Manager* manager) {
return std::unique_ptr<ManagerAdaptorInterface>(
new ManagerDBusAdaptor(bus_, object_manager_.get(), manager));
}
std::unique_ptr<ServiceAdaptorInterface> DBusControl::CreateServiceAdaptor(
Service* service) {
return std::unique_ptr<ServiceAdaptorInterface>(
new ServiceDBusAdaptor(bus_, object_manager_.get(), service));
}
} // namespace dhcp_client