| // Copyright 2018 The Chromium OS 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 "shill/dbus/dbus_objectmanager_proxy.h" |
| |
| #include "shill/cellular/cellular_error.h" |
| #include "shill/event_dispatcher.h" |
| #include "shill/logging.h" |
| |
| using std::string; |
| |
| namespace shill { |
| |
| namespace Logging { |
| static auto kModuleLogScope = ScopeLogger::kDBus; |
| static string ObjectID(const dbus::ObjectPath* p) { |
| return p->value(); |
| } |
| } // namespace Logging |
| |
| DBusObjectManagerProxy::DBusObjectManagerProxy( |
| EventDispatcher* dispatcher, |
| const scoped_refptr<dbus::Bus>& bus, |
| const RpcIdentifier& path, |
| const std::string& service, |
| const base::Closure& service_appeared_callback, |
| const base::Closure& service_vanished_callback) |
| : proxy_(new org::freedesktop::DBus::ObjectManagerProxy( |
| bus, service, dbus::ObjectPath(path))), |
| dispatcher_(dispatcher), |
| service_appeared_callback_(service_appeared_callback), |
| service_vanished_callback_(service_vanished_callback), |
| service_available_(false) { |
| // Register signal handlers. |
| proxy_->RegisterInterfacesAddedSignalHandler( |
| base::Bind(&DBusObjectManagerProxy::InterfacesAdded, |
| weak_factory_.GetWeakPtr()), |
| base::Bind(&DBusObjectManagerProxy::OnSignalConnected, |
| weak_factory_.GetWeakPtr())); |
| proxy_->RegisterInterfacesRemovedSignalHandler( |
| base::Bind(&DBusObjectManagerProxy::InterfacesRemoved, |
| weak_factory_.GetWeakPtr()), |
| base::Bind(&DBusObjectManagerProxy::OnSignalConnected, |
| weak_factory_.GetWeakPtr())); |
| |
| // Monitor service owner changes. This callback lives for the lifetime of |
| // the ObjectProxy. |
| proxy_->GetObjectProxy()->SetNameOwnerChangedCallback( |
| base::Bind(&DBusObjectManagerProxy::OnServiceOwnerChanged, |
| weak_factory_.GetWeakPtr())); |
| |
| // One time callback when service becomes available. |
| proxy_->GetObjectProxy()->WaitForServiceToBeAvailable(base::Bind( |
| &DBusObjectManagerProxy::OnServiceAvailable, weak_factory_.GetWeakPtr())); |
| } |
| |
| DBusObjectManagerProxy::~DBusObjectManagerProxy() = default; |
| |
| void DBusObjectManagerProxy::GetManagedObjects( |
| Error* error, const ManagedObjectsCallback& callback, int timeout) { |
| if (!service_available_) { |
| Error::PopulateAndLog(FROM_HERE, error, Error::kInternalError, |
| "Service not available"); |
| return; |
| } |
| proxy_->GetManagedObjectsAsync( |
| base::Bind(&DBusObjectManagerProxy::OnGetManagedObjectsSuccess, |
| weak_factory_.GetWeakPtr(), callback), |
| base::Bind(&DBusObjectManagerProxy::OnGetManagedObjectsFailure, |
| weak_factory_.GetWeakPtr(), callback), |
| timeout); |
| } |
| |
| void DBusObjectManagerProxy::OnServiceAvailable(bool available) { |
| LOG(INFO) << __func__ << ": " << available; |
| |
| // The callback might invoke calls to the ObjectProxy, so defer the callback |
| // to event loop. |
| if (available && !service_appeared_callback_.is_null()) { |
| dispatcher_->PostTask(FROM_HERE, service_appeared_callback_); |
| } else if (!available && !service_vanished_callback_.is_null()) { |
| dispatcher_->PostTask(FROM_HERE, service_vanished_callback_); |
| } |
| service_available_ = available; |
| } |
| |
| void DBusObjectManagerProxy::OnServiceOwnerChanged(const string& old_owner, |
| const string& new_owner) { |
| LOG(INFO) << __func__ << " old: " << old_owner << " new: " << new_owner; |
| if (new_owner.empty()) { |
| OnServiceAvailable(false); |
| } else { |
| OnServiceAvailable(true); |
| } |
| } |
| |
| void DBusObjectManagerProxy::OnSignalConnected(const string& interface_name, |
| const string& signal_name, |
| bool success) { |
| SLOG(&proxy_->GetObjectPath(), 2) |
| << __func__ << "interface: " << interface_name |
| << " signal: " << signal_name << "success: " << success; |
| if (!success) { |
| LOG(ERROR) << "Failed to connect signal " << signal_name << " to interface " |
| << interface_name; |
| } |
| } |
| |
| void DBusObjectManagerProxy::InterfacesAdded( |
| const dbus::ObjectPath& object_path, |
| const DBusInterfaceToProperties& dbus_interface_to_properties) { |
| SLOG(&proxy_->GetObjectPath(), 2) |
| << __func__ << "(" << object_path.value() << ")"; |
| InterfaceToProperties interface_to_properties; |
| ConvertDBusInterfaceProperties(dbus_interface_to_properties, |
| &interface_to_properties); |
| interfaces_added_callback_.Run(object_path.value(), interface_to_properties); |
| } |
| |
| void DBusObjectManagerProxy::InterfacesRemoved( |
| const dbus::ObjectPath& object_path, |
| const std::vector<std::string>& interfaces) { |
| SLOG(&proxy_->GetObjectPath(), 2) |
| << __func__ << "(" << object_path.value() << ")"; |
| interfaces_removed_callback_.Run(object_path.value(), interfaces); |
| } |
| |
| void DBusObjectManagerProxy::OnGetManagedObjectsSuccess( |
| const ManagedObjectsCallback& callback, |
| const DBusObjectsWithProperties& dbus_objects_with_properties) { |
| SLOG(&proxy_->GetObjectPath(), 2) << __func__; |
| ObjectsWithProperties objects_with_properties; |
| for (const auto& object : dbus_objects_with_properties) { |
| InterfaceToProperties interface_to_properties; |
| ConvertDBusInterfaceProperties(object.second, &interface_to_properties); |
| objects_with_properties.emplace(object.first.value(), |
| interface_to_properties); |
| } |
| callback.Run(objects_with_properties, Error()); |
| } |
| |
| void DBusObjectManagerProxy::OnGetManagedObjectsFailure( |
| const ManagedObjectsCallback& callback, brillo::Error* dbus_error) { |
| Error error; |
| CellularError::FromMM1ChromeosDBusError(dbus_error, &error); |
| callback.Run(ObjectsWithProperties(), error); |
| } |
| |
| void DBusObjectManagerProxy::ConvertDBusInterfaceProperties( |
| const DBusInterfaceToProperties& dbus_interface_to_properties, |
| InterfaceToProperties* interface_to_properties) { |
| for (const auto& interface : dbus_interface_to_properties) { |
| KeyValueStore properties = |
| KeyValueStore::ConvertFromVariantDictionary(interface.second); |
| interface_to_properties->emplace(interface.first, properties); |
| } |
| } |
| |
| } // namespace shill |