| // |
| // Copyright (C) 2015 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 "shill/dbus/chromeos_modem_manager_proxy.h" |
| |
| #include "shill/cellular/modem_manager.h" |
| #include "shill/event_dispatcher.h" |
| #include "shill/logging.h" |
| |
| using std::string; |
| using std::vector; |
| |
| namespace shill { |
| |
| namespace Logging { |
| static auto kModuleLogScope = ScopeLogger::kDBus; |
| static string ObjectID(const dbus::ObjectPath* p) { return p->value(); } |
| } // namespace Logging |
| |
| ChromeosModemManagerProxy::ChromeosModemManagerProxy( |
| EventDispatcher* dispatcher, |
| const scoped_refptr<dbus::Bus>& bus, |
| ModemManagerClassic* manager, |
| const std::string& path, |
| const std::string& service, |
| const base::Closure& service_appeared_callback, |
| const base::Closure& service_vanished_callback) |
| : proxy_( |
| new org::freedesktop::ModemManagerProxy( |
| bus, service, dbus::ObjectPath(path))), |
| dispatcher_(dispatcher), |
| manager_(manager), |
| service_appeared_callback_(service_appeared_callback), |
| service_vanished_callback_(service_vanished_callback), |
| service_available_(false) { |
| // Register signal handlers. |
| proxy_->RegisterDeviceAddedSignalHandler( |
| base::Bind(&ChromeosModemManagerProxy::DeviceAdded, |
| weak_factory_.GetWeakPtr()), |
| base::Bind(&ChromeosModemManagerProxy::OnSignalConnected, |
| weak_factory_.GetWeakPtr())); |
| proxy_->RegisterDeviceRemovedSignalHandler( |
| base::Bind(&ChromeosModemManagerProxy::DeviceRemoved, |
| weak_factory_.GetWeakPtr()), |
| base::Bind(&ChromeosModemManagerProxy::OnSignalConnected, |
| weak_factory_.GetWeakPtr())); |
| |
| // Monitor service owner changes. This callback lives for the lifetime of |
| // the ObjectProxy. |
| proxy_->GetObjectProxy()->SetNameOwnerChangedCallback( |
| base::Bind(&ChromeosModemManagerProxy::OnServiceOwnerChanged, |
| weak_factory_.GetWeakPtr())); |
| |
| // One time callback when service becomes available. |
| proxy_->GetObjectProxy()->WaitForServiceToBeAvailable( |
| base::Bind(&ChromeosModemManagerProxy::OnServiceAvailable, |
| weak_factory_.GetWeakPtr())); |
| } |
| |
| ChromeosModemManagerProxy::~ChromeosModemManagerProxy() {} |
| |
| vector<string> ChromeosModemManagerProxy::EnumerateDevices() { |
| SLOG(&proxy_->GetObjectPath(), 2) << __func__; |
| if (!service_available_) { |
| LOG(ERROR) << "Service not available"; |
| return vector<string>(); |
| } |
| |
| vector<dbus::ObjectPath> device_paths; |
| brillo::ErrorPtr error; |
| if (!proxy_->EnumerateDevices(&device_paths, &error)) { |
| LOG(ERROR) << "Failed to enumerate devices: " << error->GetCode() |
| << " " << error->GetMessage(); |
| return vector<string>(); |
| } |
| vector<string> device_rpcids; |
| KeyValueStore::ConvertPathsToRpcIdentifiers(device_paths, &device_rpcids); |
| return device_rpcids; |
| } |
| |
| void ChromeosModemManagerProxy::DeviceAdded(const dbus::ObjectPath& device) { |
| SLOG(&proxy_->GetObjectPath(), 2) << __func__; |
| manager_->OnDeviceAdded(device.value()); |
| } |
| |
| void ChromeosModemManagerProxy::DeviceRemoved(const dbus::ObjectPath& device) { |
| SLOG(&proxy_->GetObjectPath(), 2) << __func__; |
| manager_->OnDeviceRemoved(device.value()); |
| } |
| |
| void ChromeosModemManagerProxy::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(service_appeared_callback_); |
| } else if (!available && !service_vanished_callback_.is_null()) { |
| dispatcher_->PostTask(service_vanished_callback_); |
| } |
| service_available_ = available; |
| } |
| |
| void ChromeosModemManagerProxy::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 ChromeosModemManagerProxy::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; |
| } |
| } |
| |
| } // namespace shill |