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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 "chromeos/dbus/dbus_thread_manager.h"
#include <map>
#include "base/command_line.h"
#include "base/observer_list.h"
#include "base/sys_info.h"
#include "base/threading/thread.h"
#include "chromeos/chromeos_switches.h"
#include "chromeos/dbus/bluetooth_adapter_client.h"
#include "chromeos/dbus/bluetooth_agent_manager_client.h"
#include "chromeos/dbus/bluetooth_device_client.h"
#include "chromeos/dbus/bluetooth_input_client.h"
#include "chromeos/dbus/bluetooth_profile_manager_client.h"
#include "chromeos/dbus/cras_audio_client.h"
#include "chromeos/dbus/cros_disks_client.h"
#include "chromeos/dbus/cryptohome_client.h"
#include "chromeos/dbus/dbus_client_implementation_type.h"
#include "chromeos/dbus/dbus_thread_manager_observer.h"
#include "chromeos/dbus/debug_daemon_client.h"
#include "chromeos/dbus/gsm_sms_client.h"
#include "chromeos/dbus/ibus/ibus_client.h"
#include "chromeos/dbus/ibus/ibus_engine_factory_service.h"
#include "chromeos/dbus/ibus/ibus_engine_service.h"
#include "chromeos/dbus/image_burner_client.h"
#include "chromeos/dbus/introspectable_client.h"
#include "chromeos/dbus/modem_messaging_client.h"
#include "chromeos/dbus/nfc_adapter_client.h"
#include "chromeos/dbus/nfc_device_client.h"
#include "chromeos/dbus/nfc_manager_client.h"
#include "chromeos/dbus/nfc_tag_client.h"
#include "chromeos/dbus/permission_broker_client.h"
#include "chromeos/dbus/power_manager_client.h"
#include "chromeos/dbus/power_policy_controller.h"
#include "chromeos/dbus/session_manager_client.h"
#include "chromeos/dbus/shill_device_client.h"
#include "chromeos/dbus/shill_ipconfig_client.h"
#include "chromeos/dbus/shill_manager_client.h"
#include "chromeos/dbus/shill_profile_client.h"
#include "chromeos/dbus/shill_service_client.h"
#include "chromeos/dbus/shill_stub_helper.h"
#include "chromeos/dbus/sms_client.h"
#include "chromeos/dbus/system_clock_client.h"
#include "chromeos/dbus/update_engine_client.h"
#include "dbus/bus.h"
#include "dbus/dbus_statistics.h"
namespace chromeos {
static DBusThreadManager* g_dbus_thread_manager = NULL;
static bool g_dbus_thread_manager_set_for_testing = false;
// The DBusThreadManager implementation used in production.
class DBusThreadManagerImpl : public DBusThreadManager {
public:
explicit DBusThreadManagerImpl(DBusClientImplementationType client_type) {
DBusClientImplementationType client_type_override = client_type;
// If --dbus-stub was requested, pass STUB to specific components;
// Many components like login are not useful with a stub implementation.
if (CommandLine::ForCurrentProcess()->HasSwitch(
chromeos::switches::kDbusStub)) {
client_type_override = STUB_DBUS_CLIENT_IMPLEMENTATION;
}
// Create the D-Bus thread.
base::Thread::Options thread_options;
thread_options.message_loop_type = base::MessageLoop::TYPE_IO;
dbus_thread_.reset(new base::Thread("D-Bus thread"));
dbus_thread_->StartWithOptions(thread_options);
// Create the connection to the system bus.
dbus::Bus::Options system_bus_options;
system_bus_options.bus_type = dbus::Bus::SYSTEM;
system_bus_options.connection_type = dbus::Bus::PRIVATE;
system_bus_options.dbus_task_runner = dbus_thread_->message_loop_proxy();
system_bus_ = new dbus::Bus(system_bus_options);
CreateDefaultClients(client_type, client_type_override);
}
// InitializeClients gets called after g_dbus_thread_manager is set.
// NOTE: Clients that access other clients in their Init() must be
// initialized in the correct order. This is the only place where Clients'
// Init() should be called if DBusThreadManager is being used.
void InitializeClients() {
InitClient(bluetooth_adapter_client_.get());
InitClient(bluetooth_agent_manager_client_.get());
InitClient(bluetooth_device_client_.get());
InitClient(bluetooth_input_client_.get());
InitClient(bluetooth_profile_manager_client_.get());
InitClient(cras_audio_client_.get());
InitClient(cros_disks_client_.get());
InitClient(cryptohome_client_.get());
InitClient(debug_daemon_client_.get());
InitClient(shill_manager_client_.get());
InitClient(shill_device_client_.get());
InitClient(shill_ipconfig_client_.get());
InitClient(shill_service_client_.get());
InitClient(shill_profile_client_.get());
InitClient(gsm_sms_client_.get());
InitClient(image_burner_client_.get());
InitClient(introspectable_client_.get());
InitClient(modem_messaging_client_.get());
// Initialize the NFC clients in the correct order.
InitClient(nfc_manager_client_.get());
InitClient(nfc_adapter_client_.get());
InitClient(nfc_device_client_.get());
InitClient(nfc_tag_client_.get());
InitClient(permission_broker_client_.get());
InitClient(power_manager_client_.get());
InitClient(session_manager_client_.get());
InitClient(sms_client_.get());
InitClient(system_clock_client_.get());
InitClient(update_engine_client_.get());
// PowerPolicyController is dependent on PowerManagerClient, so
// initialize it after the main list of clients.
power_policy_controller_.reset(
new PowerPolicyController(this, power_manager_client_.get()));
shill_stub_helper::SetupDefaultEnvironment();
// This must be called after the list of clients so they've each had a
// chance to register with their object managers.
system_bus_->GetManagedObjects();
}
virtual ~DBusThreadManagerImpl() {
FOR_EACH_OBSERVER(DBusThreadManagerObserver, observers_,
OnDBusThreadManagerDestroying(this));
// Shut down the bus. During the browser shutdown, it's ok to shut down
// the bus synchronously.
system_bus_->ShutdownOnDBusThreadAndBlock();
if (ibus_bus_.get())
ibus_bus_->ShutdownOnDBusThreadAndBlock();
// Release IBusEngineService instances.
for (std::map<dbus::ObjectPath, IBusEngineService*>::iterator it
= ibus_engine_services_.begin();
it != ibus_engine_services_.end(); it++) {
delete it->second;
}
// Stop the D-Bus thread.
dbus_thread_->Stop();
}
// DBusThreadManager override.
virtual void AddObserver(DBusThreadManagerObserver* observer) OVERRIDE {
DCHECK(observer);
observers_.AddObserver(observer);
}
// DBusThreadManager override.
virtual void RemoveObserver(DBusThreadManagerObserver* observer) OVERRIDE {
DCHECK(observer);
observers_.RemoveObserver(observer);
}
// DBusThreadManager override.
virtual void InitIBusBus(
const std::string &ibus_address,
const base::Closure& on_disconnected_callback) OVERRIDE {
DCHECK(!ibus_bus_.get());
dbus::Bus::Options ibus_bus_options;
ibus_bus_options.bus_type = dbus::Bus::CUSTOM_ADDRESS;
ibus_bus_options.address = ibus_address;
ibus_bus_options.connection_type = dbus::Bus::PRIVATE;
ibus_bus_options.dbus_task_runner = dbus_thread_->message_loop_proxy();
ibus_bus_options.disconnected_callback = on_disconnected_callback;
ibus_bus_ = new dbus::Bus(ibus_bus_options);
ibus_address_ = ibus_address;
VLOG(1) << "Connected to ibus-daemon: " << ibus_address;
DBusClientImplementationType client_type = STUB_DBUS_CLIENT_IMPLEMENTATION;
ibus_client_.reset(
IBusClient::Create(client_type, ibus_bus_.get()));
ibus_engine_factory_service_.reset(
IBusEngineFactoryService::Create(ibus_bus_.get(), client_type));
ibus_engine_services_.clear();
}
// DBusThreadManager overrides:
virtual dbus::Bus* GetSystemBus() OVERRIDE {
return system_bus_.get();
}
virtual dbus::Bus* GetIBusBus() OVERRIDE {
return ibus_bus_.get();
}
virtual BluetoothAdapterClient* GetBluetoothAdapterClient() OVERRIDE {
return bluetooth_adapter_client_.get();
}
virtual BluetoothAgentManagerClient* GetBluetoothAgentManagerClient()
OVERRIDE {
return bluetooth_agent_manager_client_.get();
}
virtual BluetoothDeviceClient* GetBluetoothDeviceClient() OVERRIDE {
return bluetooth_device_client_.get();
}
virtual BluetoothInputClient* GetBluetoothInputClient() OVERRIDE {
return bluetooth_input_client_.get();
}
virtual BluetoothProfileManagerClient* GetBluetoothProfileManagerClient()
OVERRIDE {
return bluetooth_profile_manager_client_.get();
}
virtual CrasAudioClient* GetCrasAudioClient() OVERRIDE {
return cras_audio_client_.get();
}
virtual CrosDisksClient* GetCrosDisksClient() OVERRIDE {
return cros_disks_client_.get();
}
virtual CryptohomeClient* GetCryptohomeClient() OVERRIDE {
return cryptohome_client_.get();
}
virtual DebugDaemonClient* GetDebugDaemonClient() OVERRIDE {
return debug_daemon_client_.get();
}
virtual ShillDeviceClient* GetShillDeviceClient() OVERRIDE {
return shill_device_client_.get();
}
virtual ShillIPConfigClient* GetShillIPConfigClient() OVERRIDE {
return shill_ipconfig_client_.get();
}
virtual ShillManagerClient* GetShillManagerClient() OVERRIDE {
return shill_manager_client_.get();
}
virtual ShillServiceClient* GetShillServiceClient() OVERRIDE {
return shill_service_client_.get();
}
virtual ShillProfileClient* GetShillProfileClient() OVERRIDE {
return shill_profile_client_.get();
}
virtual GsmSMSClient* GetGsmSMSClient() OVERRIDE {
return gsm_sms_client_.get();
}
virtual ImageBurnerClient* GetImageBurnerClient() OVERRIDE {
return image_burner_client_.get();
}
virtual IntrospectableClient* GetIntrospectableClient() OVERRIDE {
return introspectable_client_.get();
}
virtual ModemMessagingClient* GetModemMessagingClient() OVERRIDE {
return modem_messaging_client_.get();
}
virtual NfcAdapterClient* GetNfcAdapterClient() OVERRIDE {
return nfc_adapter_client_.get();
}
virtual NfcDeviceClient* GetNfcDeviceClient() OVERRIDE {
return nfc_device_client_.get();
}
virtual NfcManagerClient* GetNfcManagerClient() OVERRIDE {
return nfc_manager_client_.get();
}
virtual NfcTagClient* GetNfcTagClient() OVERRIDE {
return nfc_tag_client_.get();
}
virtual PermissionBrokerClient* GetPermissionBrokerClient() OVERRIDE {
return permission_broker_client_.get();
}
virtual PowerManagerClient* GetPowerManagerClient() OVERRIDE {
return power_manager_client_.get();
}
virtual PowerPolicyController* GetPowerPolicyController() OVERRIDE {
return power_policy_controller_.get();
}
virtual SessionManagerClient* GetSessionManagerClient() OVERRIDE {
return session_manager_client_.get();
}
virtual SMSClient* GetSMSClient() OVERRIDE {
return sms_client_.get();
}
virtual SystemClockClient* GetSystemClockClient() OVERRIDE {
return system_clock_client_.get();
}
virtual UpdateEngineClient* GetUpdateEngineClient() OVERRIDE {
return update_engine_client_.get();
}
virtual IBusClient* GetIBusClient() OVERRIDE {
return ibus_client_.get();
}
virtual IBusEngineFactoryService* GetIBusEngineFactoryService() OVERRIDE {
return ibus_engine_factory_service_.get();
}
virtual IBusEngineService* GetIBusEngineService(
const dbus::ObjectPath& object_path) OVERRIDE {
if (ibus_engine_services_.find(object_path)
== ibus_engine_services_.end()) {
ibus_engine_services_[object_path] = IBusEngineService::Create();
}
return ibus_engine_services_[object_path];
}
virtual void RemoveIBusEngineService(
const dbus::ObjectPath& object_path) OVERRIDE {
if (ibus_engine_services_.find(object_path) !=
ibus_engine_services_.end()) {
LOG(WARNING) << "Object path not found: " << object_path.value();
return;
}
delete ibus_engine_services_[object_path];
ibus_engine_services_.erase(object_path);
}
private:
// Initializes |client| with the |system_bus_|.
void InitClient(DBusClient* client) {
client->Init(system_bus_.get());
}
// Constructs all clients -- stub or real implementation according to
// |client_type| and |client_type_override| -- and stores them in the
// respective *_client_ member variable.
void CreateDefaultClients(DBusClientImplementationType client_type,
DBusClientImplementationType client_type_override) {
bluetooth_adapter_client_.reset(
BluetoothAdapterClient::Create(client_type));
bluetooth_agent_manager_client_.reset(
BluetoothAgentManagerClient::Create(client_type));
bluetooth_device_client_.reset(BluetoothDeviceClient::Create(client_type));
bluetooth_input_client_.reset(BluetoothInputClient::Create(client_type));
bluetooth_profile_manager_client_.reset(
BluetoothProfileManagerClient::Create(client_type));
cras_audio_client_.reset(CrasAudioClient::Create(client_type));
cros_disks_client_.reset(CrosDisksClient::Create(client_type));
cryptohome_client_.reset(CryptohomeClient::Create(client_type));
debug_daemon_client_.reset(DebugDaemonClient::Create(client_type));
shill_manager_client_.reset(
ShillManagerClient::Create(client_type_override));
shill_device_client_.reset(
ShillDeviceClient::Create(client_type_override));
shill_ipconfig_client_.reset(
ShillIPConfigClient::Create(client_type_override));
shill_service_client_.reset(
ShillServiceClient::Create(client_type_override));
shill_profile_client_.reset(
ShillProfileClient::Create(client_type_override));
gsm_sms_client_.reset(GsmSMSClient::Create(client_type_override));
image_burner_client_.reset(ImageBurnerClient::Create(client_type));
introspectable_client_.reset(IntrospectableClient::Create(client_type));
modem_messaging_client_.reset(ModemMessagingClient::Create(client_type));
// Create the NFC clients in the correct order based on their dependencies.
nfc_manager_client_.reset(NfcManagerClient::Create(client_type));
nfc_adapter_client_.reset(
NfcAdapterClient::Create(client_type, nfc_manager_client_.get()));
nfc_device_client_.reset(
NfcDeviceClient::Create(client_type, nfc_adapter_client_.get()));
nfc_tag_client_.reset(
NfcTagClient::Create(client_type, nfc_adapter_client_.get()));
permission_broker_client_.reset(
PermissionBrokerClient::Create(client_type));
power_manager_client_.reset(
PowerManagerClient::Create(client_type_override));
session_manager_client_.reset(SessionManagerClient::Create(client_type));
sms_client_.reset(SMSClient::Create(client_type));
system_clock_client_.reset(SystemClockClient::Create(client_type));
update_engine_client_.reset(UpdateEngineClient::Create(client_type));
}
// Note: Keep this before other members so they can call AddObserver() in
// their c'tors.
ObserverList<DBusThreadManagerObserver> observers_;
scoped_ptr<base::Thread> dbus_thread_;
scoped_refptr<dbus::Bus> system_bus_;
scoped_refptr<dbus::Bus> ibus_bus_;
scoped_ptr<BluetoothAdapterClient> bluetooth_adapter_client_;
scoped_ptr<BluetoothAgentManagerClient> bluetooth_agent_manager_client_;
scoped_ptr<BluetoothDeviceClient> bluetooth_device_client_;
scoped_ptr<BluetoothInputClient> bluetooth_input_client_;
scoped_ptr<BluetoothProfileManagerClient> bluetooth_profile_manager_client_;
scoped_ptr<CrasAudioClient> cras_audio_client_;
scoped_ptr<CrosDisksClient> cros_disks_client_;
scoped_ptr<CryptohomeClient> cryptohome_client_;
scoped_ptr<DebugDaemonClient> debug_daemon_client_;
scoped_ptr<ShillDeviceClient> shill_device_client_;
scoped_ptr<ShillIPConfigClient> shill_ipconfig_client_;
scoped_ptr<ShillManagerClient> shill_manager_client_;
scoped_ptr<ShillServiceClient> shill_service_client_;
scoped_ptr<ShillProfileClient> shill_profile_client_;
scoped_ptr<GsmSMSClient> gsm_sms_client_;
scoped_ptr<ImageBurnerClient> image_burner_client_;
scoped_ptr<IntrospectableClient> introspectable_client_;
scoped_ptr<ModemMessagingClient> modem_messaging_client_;
// The declaration order for NFC client objects is important. See
// DBusThreadManager::CreateDefaultClients for the dependencies.
scoped_ptr<NfcManagerClient> nfc_manager_client_;
scoped_ptr<NfcAdapterClient> nfc_adapter_client_;
scoped_ptr<NfcDeviceClient> nfc_device_client_;
scoped_ptr<NfcTagClient> nfc_tag_client_;
scoped_ptr<PermissionBrokerClient> permission_broker_client_;
scoped_ptr<SystemClockClient> system_clock_client_;
scoped_ptr<PowerManagerClient> power_manager_client_;
scoped_ptr<SessionManagerClient> session_manager_client_;
scoped_ptr<SMSClient> sms_client_;
scoped_ptr<UpdateEngineClient> update_engine_client_;
scoped_ptr<IBusClient> ibus_client_;
scoped_ptr<IBusEngineFactoryService> ibus_engine_factory_service_;
std::map<dbus::ObjectPath, IBusEngineService*> ibus_engine_services_;
scoped_ptr<PowerPolicyController> power_policy_controller_;
std::string ibus_address_;
};
// static
void DBusThreadManager::Initialize() {
// Ignore Initialize() if we set a test DBusThreadManager.
if (g_dbus_thread_manager_set_for_testing)
return;
// If we initialize DBusThreadManager twice we may also be shutting it down
// early; do not allow that.
CHECK(g_dbus_thread_manager == NULL);
// Determine whether we use stub or real client implementations.
DBusThreadManagerImpl* dbus_thread_manager_impl;
if (base::SysInfo::IsRunningOnChromeOS()) {
dbus_thread_manager_impl =
new DBusThreadManagerImpl(REAL_DBUS_CLIENT_IMPLEMENTATION);
VLOG(1) << "DBusThreadManager initialized for ChromeOS";
} else {
dbus_thread_manager_impl =
new DBusThreadManagerImpl(STUB_DBUS_CLIENT_IMPLEMENTATION);
VLOG(1) << "DBusThreadManager initialized with Stub";
}
g_dbus_thread_manager = dbus_thread_manager_impl;
dbus_thread_manager_impl->InitializeClients();
}
// static
void DBusThreadManager::InitializeForTesting(
DBusThreadManager* dbus_thread_manager) {
// If we initialize DBusThreadManager twice we may also be shutting it down
// early; do not allow that.
CHECK(g_dbus_thread_manager == NULL);
CHECK(dbus_thread_manager);
g_dbus_thread_manager = dbus_thread_manager;
g_dbus_thread_manager_set_for_testing = true;
VLOG(1) << "DBusThreadManager initialized with test implementation";
}
// static
void DBusThreadManager::InitializeWithStub() {
// If we initialize DBusThreadManager twice we may also be shutting it down
// early; do not allow that.
CHECK(g_dbus_thread_manager == NULL);
DBusThreadManagerImpl* dbus_thread_manager_impl =
new DBusThreadManagerImpl(STUB_DBUS_CLIENT_IMPLEMENTATION);
g_dbus_thread_manager = dbus_thread_manager_impl;
dbus_thread_manager_impl->InitializeClients();
VLOG(1) << "DBusThreadManager initialized with stub implementation";
}
// static
bool DBusThreadManager::IsInitialized() {
return g_dbus_thread_manager != NULL;
}
// static
void DBusThreadManager::Shutdown() {
// If we called InitializeForTesting, this may get called more than once.
// Ensure that we only shutdown DBusThreadManager once.
CHECK(g_dbus_thread_manager || g_dbus_thread_manager_set_for_testing);
DBusThreadManager* dbus_thread_manager = g_dbus_thread_manager;
g_dbus_thread_manager = NULL;
delete dbus_thread_manager;
VLOG(1) << "DBusThreadManager Shutdown completed";
}
DBusThreadManager::DBusThreadManager() {
dbus::statistics::Initialize();
}
DBusThreadManager::~DBusThreadManager() {
dbus::statistics::Shutdown();
if (g_dbus_thread_manager == NULL)
return; // Called form Shutdown() or local test instance.
// There should never be both a global instance and a local instance.
CHECK(this == g_dbus_thread_manager);
if (g_dbus_thread_manager_set_for_testing) {
g_dbus_thread_manager = NULL;
g_dbus_thread_manager_set_for_testing = false;
VLOG(1) << "DBusThreadManager destroyed";
} else {
LOG(FATAL) << "~DBusThreadManager() called outside of Shutdown()";
}
}
// static
DBusThreadManager* DBusThreadManager::Get() {
CHECK(g_dbus_thread_manager)
<< "DBusThreadManager::Get() called before Initialize()";
return g_dbus_thread_manager;
}
} // namespace chromeos
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