| // Copyright (c) 2012 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/manager.h" |
| |
| #include <time.h> |
| #include <stdio.h> |
| |
| #include <algorithm> |
| #include <map> |
| #include <string> |
| #include <vector> |
| |
| #include <base/file_util.h> |
| #include <base/logging.h> |
| #include <base/memory/ref_counted.h> |
| #include <base/stl_util-inl.h> |
| #include <base/string_split.h> |
| #include <base/string_util.h> |
| #include <chromeos/dbus/service_constants.h> |
| |
| #include "shill/adaptor_interfaces.h" |
| #include "shill/connection.h" |
| #include "shill/control_interface.h" |
| #include "shill/dbus_adaptor.h" |
| #include "shill/default_profile.h" |
| #include "shill/device.h" |
| #include "shill/device_info.h" |
| #include "shill/ephemeral_profile.h" |
| #include "shill/error.h" |
| #include "shill/event_dispatcher.h" |
| #include "shill/key_file_store.h" |
| #include "shill/service_sorter.h" |
| #include "shill/profile.h" |
| #include "shill/property_accessor.h" |
| #include "shill/resolver.h" |
| #include "shill/service.h" |
| #include "shill/wifi.h" |
| #include "shill/wifi_service.h" |
| |
| using std::map; |
| using std::set; |
| using std::string; |
| using std::vector; |
| |
| namespace shill { |
| |
| // static |
| const char Manager::kManagerErrorNoDevice[] = "no wifi devices available"; |
| |
| Manager::Manager(ControlInterface *control_interface, |
| EventDispatcher *dispatcher, |
| GLib *glib, |
| const string &run_directory, |
| const string &storage_directory, |
| const string &user_storage_format) |
| : dispatcher_(dispatcher), |
| task_factory_(this), |
| run_path_(FilePath(run_directory)), |
| storage_path_(FilePath(storage_directory)), |
| user_storage_format_(user_storage_format), |
| adaptor_(control_interface->CreateManagerAdaptor(this)), |
| device_info_(control_interface, dispatcher, this), |
| modem_info_(control_interface, dispatcher, this, glib), |
| running_(false), |
| connect_profiles_to_rpc_(true), |
| ephemeral_profile_(new EphemeralProfile(control_interface, this)), |
| control_interface_(control_interface), |
| glib_(glib) { |
| HelpRegisterDerivedString(flimflam::kActiveProfileProperty, |
| &Manager::GetActiveProfileName, |
| NULL); |
| HelpRegisterDerivedStrings(flimflam::kAvailableTechnologiesProperty, |
| &Manager::AvailableTechnologies, |
| NULL); |
| store_.RegisterString(flimflam::kCheckPortalListProperty, |
| &props_.check_portal_list); |
| HelpRegisterDerivedStrings(flimflam::kConnectedTechnologiesProperty, |
| &Manager::ConnectedTechnologies, |
| NULL); |
| store_.RegisterString(flimflam::kCountryProperty, &props_.country); |
| HelpRegisterDerivedString(flimflam::kDefaultTechnologyProperty, |
| &Manager::DefaultTechnology, |
| NULL); |
| HelpRegisterDerivedStrings(flimflam::kDevicesProperty, |
| &Manager::EnumerateDevices, |
| NULL); |
| HelpRegisterDerivedStrings(flimflam::kEnabledTechnologiesProperty, |
| &Manager::EnabledTechnologies, |
| NULL); |
| store_.RegisterBool(flimflam::kOfflineModeProperty, &props_.offline_mode); |
| store_.RegisterString(flimflam::kPortalURLProperty, &props_.portal_url); |
| HelpRegisterDerivedString(flimflam::kStateProperty, |
| &Manager::CalculateState, |
| NULL); |
| HelpRegisterDerivedStrings(flimflam::kServicesProperty, |
| &Manager::EnumerateAvailableServices, |
| NULL); |
| HelpRegisterDerivedStrings(flimflam::kServiceWatchListProperty, |
| &Manager::EnumerateWatchedServices, |
| NULL); |
| |
| // TODO(cmasone): Wire these up once we actually put in profile support. |
| // known_properties_.push_back(flimflam::kProfilesProperty); |
| VLOG(2) << "Manager initialized."; |
| } |
| |
| Manager::~Manager() { |
| profiles_.clear(); |
| } |
| |
| void Manager::AddDeviceToBlackList(const string &device_name) { |
| device_info_.AddDeviceToBlackList(device_name); |
| } |
| |
| void Manager::Start() { |
| LOG(INFO) << "Manager started."; |
| |
| CHECK(file_util::CreateDirectory(run_path_)) << run_path_.value(); |
| Resolver::GetInstance()->set_path(run_path_.Append("resolv.conf")); |
| |
| InitializeProfiles(); |
| running_ = true; |
| adaptor_->UpdateRunning(); |
| device_info_.Start(); |
| modem_info_.Start(); |
| } |
| |
| void Manager::Stop() { |
| running_ = false; |
| // Persist profile, device, service information to disk. |
| vector<ProfileRefPtr>::iterator it; |
| for (it = profiles_.begin(); it != profiles_.end(); ++it) { |
| (*it)->Save(); |
| } |
| |
| vector<ServiceRefPtr>::iterator services_it; |
| Error e; |
| for (services_it = services_.begin(); services_it != services_.end(); |
| ++services_it) { |
| (*services_it)->Disconnect(&e); |
| } |
| |
| adaptor_->UpdateRunning(); |
| modem_info_.Stop(); |
| device_info_.Stop(); |
| } |
| |
| void Manager::InitializeProfiles() { |
| DCHECK(profiles_.empty()); |
| // The default profile must go first on the stack. |
| CHECK(file_util::CreateDirectory(storage_path_)) << storage_path_.value(); |
| scoped_refptr<DefaultProfile> |
| default_profile(new DefaultProfile(control_interface_, |
| this, |
| storage_path_, |
| props_)); |
| CHECK(default_profile->InitStorage(glib_, Profile::kCreateOrOpenExisting, |
| NULL)); |
| CHECK(default_profile->LoadManagerProperties(&props_)); |
| profiles_.push_back(default_profile.release()); |
| Error error; |
| string path; |
| for (vector<string>::iterator it = startup_profiles_.begin(); |
| it != startup_profiles_.end(); ++it) |
| PushProfile(*it, &path, &error); |
| } |
| |
| void Manager::CreateProfile(const string &name, string *path, Error *error) { |
| Profile::Identifier ident; |
| if (!Profile::ParseIdentifier(name, &ident)) { |
| Error::PopulateAndLog(error, Error::kInvalidArguments, |
| "Invalid profile name " + name); |
| return; |
| } |
| ProfileRefPtr profile(new Profile(control_interface_, |
| this, |
| ident, |
| user_storage_format_, |
| connect_profiles_to_rpc_)); |
| if (!profile->InitStorage(glib_, Profile::kCreateNew, error)) { |
| // |error| will have been populated by InitStorage(). |
| return; |
| } |
| |
| // Save profile data out, and then let the scoped pointer fall out of scope. |
| if (!profile->Save()) { |
| Error::PopulateAndLog(error, Error::kInternalError, |
| "Profile name " + name + " could not be saved"); |
| return; |
| } |
| |
| *path = profile->GetRpcIdentifier(); |
| } |
| |
| void Manager::PushProfile(const string &name, string *path, Error *error) { |
| Profile::Identifier ident; |
| if (!Profile::ParseIdentifier(name, &ident)) { |
| Error::PopulateAndLog(error, Error::kInvalidArguments, |
| "Invalid profile name " + name); |
| return; |
| } |
| |
| for (vector<ProfileRefPtr>::const_iterator it = profiles_.begin(); |
| it != profiles_.end(); |
| ++it) { |
| if ((*it)->MatchesIdentifier(ident)) { |
| Error::PopulateAndLog(error, Error::kAlreadyExists, |
| "Profile name " + name + " is already on stack"); |
| return; |
| } |
| } |
| |
| if (ident.user.empty()) { |
| // The manager will have only one machine-wide profile, and this is the |
| // DefaultProfile. This means no other profiles can be loaded that do |
| // not have a user component. |
| // TODO(pstew): This is all well and good, but WiFi autotests try to |
| // creating a default profile (by a name other than "default") in order |
| // to avoid leaving permanent side effects to devices under test. This |
| // whole thing will need to be reworked in order to allow that to happen, |
| // or the autotests (or their expectations) will need to change. |
| // crosbug.com/24461 |
| Error::PopulateAndLog(error, Error::kInvalidArguments, |
| "Cannot load non-default global profile " + name); |
| return; |
| } |
| |
| ProfileRefPtr profile(new Profile(control_interface_, |
| this, |
| ident, |
| user_storage_format_, |
| connect_profiles_to_rpc_)); |
| if (!profile->InitStorage(glib_, Profile::kOpenExisting, error)) { |
| // |error| will have been populated by InitStorage(). |
| return; |
| } |
| |
| profiles_.push_back(profile); |
| |
| // Offer each registered Service the opportunity to join this new Profile. |
| for (vector<ServiceRefPtr>::iterator it = services_.begin(); |
| it != services_.end(); ++it) { |
| profile->ConfigureService(*it); |
| } |
| |
| // Shop the Profile contents around to Devices which can create |
| // non-visible services. |
| for (vector<DeviceRefPtr>::iterator it = devices_.begin(); |
| it != devices_.end(); ++it) { |
| profile->ConfigureDevice(*it); |
| } |
| |
| *path = profile->GetRpcIdentifier(); |
| SortServices(); |
| } |
| |
| void Manager::PopProfileInternal() { |
| CHECK(!profiles_.empty()); |
| ProfileRefPtr active_profile = profiles_.back(); |
| profiles_.pop_back(); |
| vector<ServiceRefPtr>::iterator s_it; |
| for (s_it = services_.begin(); s_it != services_.end(); ++s_it) { |
| if ((*s_it)->profile().get() == active_profile.get()) { |
| vector<ProfileRefPtr>::reverse_iterator p_it; |
| for (p_it = profiles_.rbegin(); p_it != profiles_.rend(); ++p_it) { |
| if ((*p_it)->ConfigureService(*s_it)) { |
| break; |
| } |
| } |
| if (p_it == profiles_.rend()) { |
| ephemeral_profile_->AdoptService(*s_it); |
| (*s_it)->Unload(); |
| } |
| } |
| } |
| SortServices(); |
| } |
| |
| void Manager::PopProfile(const string &name, Error *error) { |
| Profile::Identifier ident; |
| if (profiles_.empty()) { |
| Error::PopulateAndLog(error, Error::kNotFound, "Profile stack is empty"); |
| return; |
| } |
| ProfileRefPtr active_profile = profiles_.back(); |
| if (!Profile::ParseIdentifier(name, &ident)) { |
| Error::PopulateAndLog(error, Error::kInvalidArguments, |
| "Invalid profile name " + name); |
| return; |
| } |
| if (!active_profile->MatchesIdentifier(ident)) { |
| Error::PopulateAndLog(error, Error::kNotSupported, |
| name + " is not the active profile"); |
| return; |
| } |
| PopProfileInternal(); |
| } |
| |
| void Manager::PopAnyProfile(Error *error) { |
| Profile::Identifier ident; |
| if (profiles_.empty()) { |
| Error::PopulateAndLog(error, Error::kNotFound, "Profile stack is empty"); |
| return; |
| } |
| PopProfileInternal(); |
| } |
| |
| const ProfileRefPtr &Manager::ActiveProfile() { |
| DCHECK_NE(profiles_.size(), 0); |
| return profiles_.back(); |
| } |
| |
| bool Manager::MoveServiceToProfile(const ServiceRefPtr &to_move, |
| const ProfileRefPtr &destination) { |
| const ProfileRefPtr from = to_move->profile(); |
| VLOG(2) << "Moving service " |
| << to_move->UniqueName() |
| << " to profile " |
| << destination->GetFriendlyName() |
| << " from " |
| << from->GetFriendlyName(); |
| return destination->AdoptService(to_move) && |
| from->AbandonService(to_move); |
| } |
| |
| void Manager::SetProfileForService(const ServiceRefPtr &to_set, |
| const string &profile_rpcid, |
| Error *error) { |
| for (vector<ProfileRefPtr>::iterator it = profiles_.begin(); |
| it != profiles_.end(); |
| ++it) { |
| if (profile_rpcid == (*it)->GetRpcIdentifier()) { |
| if (to_set->profile().get() == it->get()) { |
| Error::PopulateAndLog(error, Error::kInvalidArguments, |
| "Service is already connected to this profile"); |
| } else if (!MoveServiceToProfile(to_set, *it)) { |
| Error::PopulateAndLog(error, Error::kInternalError, |
| "Unable to move service to profile"); |
| } |
| return; |
| } |
| } |
| Error::PopulateAndLog(error, Error::kInvalidArguments, |
| "Unknown Profile requested for Service"); |
| } |
| |
| void Manager::RegisterDevice(const DeviceRefPtr &to_manage) { |
| vector<DeviceRefPtr>::iterator it; |
| for (it = devices_.begin(); it != devices_.end(); ++it) { |
| if (to_manage.get() == it->get()) |
| return; |
| } |
| devices_.push_back(to_manage); |
| |
| // We are applying device properties from the DefaultProfile, and adding |
| // the union of hidden services in all loaded profiles to the device. |
| for (vector<ProfileRefPtr>::iterator it = profiles_.begin(); |
| it != profiles_.end(); |
| ++it) { |
| // Load device configuration, if any exists, as well as hidden services. |
| (*it)->ConfigureDevice(to_manage); |
| |
| // Currently the only profile for which "Save" is implemented is the |
| // DefaultProfile. It iterates over all Devices and stores their state. |
| // We perform the Save now in case the device we have just registered |
| // is new and needs to be added to the stored DefaultProfile. |
| (*it)->Save(); |
| } |
| |
| // In normal usage, running_ will always be true when we are here, however |
| // unit tests sometimes do things in otherwise invalid states. |
| if (running_ && to_manage->powered()) |
| to_manage->Start(); |
| |
| Error error; |
| adaptor_->EmitStringsChanged(flimflam::kAvailableTechnologiesProperty, |
| AvailableTechnologies(&error)); |
| adaptor_->EmitStringsChanged(flimflam::kEnabledTechnologiesProperty, |
| EnabledTechnologies(&error)); |
| } |
| |
| void Manager::DeregisterDevice(const DeviceRefPtr &to_forget) { |
| vector<DeviceRefPtr>::iterator it; |
| for (it = devices_.begin(); it != devices_.end(); ++it) { |
| if (to_forget.get() == it->get()) { |
| VLOG(2) << "Deregistered device: " << to_forget->UniqueName(); |
| to_forget->Stop(); |
| devices_.erase(it); |
| Error error; |
| adaptor_->EmitStringsChanged(flimflam::kAvailableTechnologiesProperty, |
| AvailableTechnologies(&error)); |
| adaptor_->EmitStringsChanged(flimflam::kEnabledTechnologiesProperty, |
| EnabledTechnologies(&error)); |
| return; |
| } |
| } |
| VLOG(2) << __func__ << " unknown device: " << to_forget->UniqueName(); |
| } |
| |
| bool Manager::HasService(const ServiceRefPtr &service) { |
| vector<ServiceRefPtr>::iterator it; |
| for (it = services_.begin(); it != services_.end(); ++it) { |
| if ((*it)->UniqueName() == service->UniqueName()) |
| return true; |
| } |
| return false; |
| } |
| |
| void Manager::RegisterService(const ServiceRefPtr &to_manage) { |
| VLOG(2) << "In " << __func__ << "(): Registering service " |
| << to_manage->UniqueName(); |
| |
| bool configured = false; |
| for (vector<ProfileRefPtr>::reverse_iterator it = profiles_.rbegin(); |
| !configured && it != profiles_.rend(); |
| ++it) { |
| configured = (*it)->ConfigureService(to_manage); |
| } |
| |
| // If not found, add it to the ephemeral profile |
| if (!configured) |
| ephemeral_profile_->AdoptService(to_manage); |
| |
| // Now add to OUR list. |
| vector<ServiceRefPtr>::iterator it; |
| for (it = services_.begin(); it != services_.end(); ++it) { |
| CHECK(to_manage->UniqueName() != (*it)->UniqueName()); |
| } |
| services_.push_back(to_manage); |
| SortServices(); |
| } |
| |
| void Manager::DeregisterService(const ServiceRefPtr &to_forget) { |
| vector<ServiceRefPtr>::iterator it; |
| for (it = services_.begin(); it != services_.end(); ++it) { |
| if (to_forget->UniqueName() == (*it)->UniqueName()) { |
| DCHECK(!(*it)->connection()); |
| services_.erase(it); |
| SortServices(); |
| return; |
| } |
| } |
| } |
| |
| void Manager::UpdateService(const ServiceRefPtr &to_update) { |
| CHECK(to_update); |
| LOG(INFO) << "Service " << to_update->UniqueName() << " updated;" |
| << " state: " << Service::ConnectStateToString(to_update->state()) |
| << " failure: " |
| << Service::ConnectFailureToString(to_update->failure()); |
| VLOG(2) << "IsConnected(): " << to_update->IsConnected(); |
| VLOG(2) << "IsConnecting(): " << to_update->IsConnecting(); |
| if (to_update->IsConnected()) { |
| to_update->MakeFavorite(); |
| if (to_update->profile().get() == ephemeral_profile_.get()) { |
| if (profiles_.empty()) { |
| LOG(ERROR) << "Cannot assign profile to service: no profiles exist!"; |
| } else { |
| MoveServiceToProfile(to_update, profiles_.back()); |
| } |
| } |
| } |
| SortServices(); |
| } |
| |
| void Manager::FilterByTechnology(Technology::Identifier tech, |
| vector<DeviceRefPtr> *found) { |
| CHECK(found); |
| vector<DeviceRefPtr>::iterator it; |
| for (it = devices_.begin(); it != devices_.end(); ++it) { |
| if ((*it)->TechnologyIs(tech)) |
| found->push_back(*it); |
| } |
| } |
| |
| ServiceRefPtr Manager::FindService(const string& name) { |
| vector<ServiceRefPtr>::iterator it; |
| for (it = services_.begin(); it != services_.end(); ++it) { |
| if (name == (*it)->UniqueName()) |
| return *it; |
| } |
| return NULL; |
| } |
| |
| void Manager::HelpRegisterDerivedString( |
| const string &name, |
| string(Manager::*get)(Error *), |
| void(Manager::*set)(const string&, Error *)) { |
| store_.RegisterDerivedString( |
| name, |
| StringAccessor(new CustomAccessor<Manager, string>(this, get, set))); |
| } |
| |
| void Manager::HelpRegisterDerivedStrings( |
| const string &name, |
| Strings(Manager::*get)(Error *), |
| void(Manager::*set)(const Strings &, Error *)) { |
| store_.RegisterDerivedStrings( |
| name, |
| StringsAccessor(new CustomAccessor<Manager, Strings>(this, get, set))); |
| } |
| |
| void Manager::SortServices() { |
| VLOG(4) << "In " << __func__; |
| ConnectionRefPtr default_connection; |
| if (!services_.empty()) { |
| // Keep track of the connection that was last considered default. |
| default_connection = services_[0]->connection(); |
| } |
| sort(services_.begin(), services_.end(), ServiceSorter(technology_order_)); |
| |
| vector<string> service_paths; |
| vector<ServiceRefPtr>::iterator it; |
| for (it = services_.begin(); it != services_.end(); ++it) { |
| if ((*it)->IsVisible()) { |
| service_paths.push_back((*it)->GetRpcIdentifier()); |
| } |
| } |
| adaptor_->EmitRpcIdentifierArrayChanged(flimflam::kServicesProperty, |
| service_paths); |
| |
| Error error; |
| adaptor_->EmitStringsChanged(flimflam::kConnectedTechnologiesProperty, |
| ConnectedTechnologies(&error)); |
| adaptor_->EmitStringChanged(flimflam::kDefaultTechnologyProperty, |
| DefaultTechnology(&error)); |
| |
| if (!services_.empty()) { |
| if (default_connection.get() && |
| (services_[0]->connection().get() != default_connection.get())) { |
| default_connection->SetIsDefault(false); |
| } |
| if (services_[0]->connection().get()) { |
| services_[0]->connection()->SetIsDefault(true); |
| } |
| } |
| |
| AutoConnect(); |
| } |
| |
| void Manager::AutoConnect() { |
| // We might be called in the middle of another request (e.g., as a |
| // consequence of Service::SetState calling UpdateService). To avoid |
| // re-entrancy issues in dbus-c++, defer to the event loop. |
| dispatcher_->PostTask( |
| task_factory_.NewRunnableMethod(&Manager::AutoConnectTask)); |
| return; |
| } |
| |
| void Manager::AutoConnectTask() { |
| if (services_.empty()) { |
| LOG(INFO) << "No services."; |
| return; |
| } |
| |
| if (VLOG_IS_ON(4)) { |
| for (vector<ServiceRefPtr>::const_iterator it = services_.begin(); |
| it != services_.end(); ++it) { |
| VLOG(4) << "Sorted service list: "; |
| VLOG(4) << "Service " << (*it)->friendly_name() |
| << " IsConnected: " << (*it)->IsConnected() |
| << " IsConnecting: " << (*it)->IsConnecting() |
| << " IsFailed: " << (*it)->IsFailed() |
| << " connectable: " << (*it)->connectable() |
| << " auto_connect: " << (*it)->auto_connect() |
| << " favorite: " << (*it)->favorite() |
| << " priority: " << (*it)->priority() |
| << " security_level: " << (*it)->security_level() |
| << " strength: " << (*it)->strength() |
| << " UniqueName: " << (*it)->UniqueName(); |
| } |
| } |
| |
| // Perform auto-connect. |
| for (vector<ServiceRefPtr>::iterator it = services_.begin(); |
| it != services_.end(); ++it) { |
| if ((*it)->auto_connect()) { |
| LOG(INFO) << "Initiating connect to " << (*it)->friendly_name() << "."; |
| (*it)->AutoConnect(); |
| } |
| } |
| } |
| |
| string Manager::CalculateState(Error */*error*/) { |
| return flimflam::kStateOffline; |
| } |
| |
| vector<string> Manager::AvailableTechnologies(Error */*error*/) { |
| set<string> unique_technologies; |
| for (vector<DeviceRefPtr>::iterator it = devices_.begin(); |
| it != devices_.end(); ++it) { |
| unique_technologies.insert( |
| Technology::NameFromIdentifier((*it)->technology())); |
| } |
| return vector<string>(unique_technologies.begin(), unique_technologies.end()); |
| } |
| |
| vector<string> Manager::ConnectedTechnologies(Error */*error*/) { |
| set<string> unique_technologies; |
| for (vector<DeviceRefPtr>::iterator it = devices_.begin(); |
| it != devices_.end(); ++it) { |
| if ((*it)->IsConnected()) |
| unique_technologies.insert( |
| Technology::NameFromIdentifier((*it)->technology())); |
| } |
| return vector<string>(unique_technologies.begin(), unique_technologies.end()); |
| } |
| |
| string Manager::DefaultTechnology(Error *error) { |
| return (!services_.empty() && services_[0]->IsConnected()) ? |
| services_[0]->GetTechnologyString(error) : ""; |
| } |
| |
| vector<string> Manager::EnabledTechnologies(Error *error) { |
| // TODO(gauravsh): This must be wired up to the RPC interface to handle |
| // enabled/disabled devices as set by the user. crosbug.com/23319 |
| return AvailableTechnologies(error); |
| } |
| |
| vector<string> Manager::EnumerateDevices(Error */*error*/) { |
| vector<string> device_rpc_ids; |
| for (vector<DeviceRefPtr>::const_iterator it = devices_.begin(); |
| it != devices_.end(); |
| ++it) { |
| device_rpc_ids.push_back((*it)->GetRpcIdentifier()); |
| } |
| return device_rpc_ids; |
| } |
| |
| vector<string> Manager::EnumerateAvailableServices(Error */*error*/) { |
| vector<string> service_rpc_ids; |
| for (vector<ServiceRefPtr>::const_iterator it = services_.begin(); |
| it != services_.end(); |
| ++it) { |
| service_rpc_ids.push_back((*it)->GetRpcIdentifier()); |
| } |
| return service_rpc_ids; |
| } |
| |
| vector<string> Manager::EnumerateWatchedServices(Error *error) { |
| // TODO(cmasone): Filter this list for services in appropriate states. |
| return EnumerateAvailableServices(error); |
| } |
| |
| string Manager::GetActiveProfileName(Error */*error*/) { |
| return ActiveProfile()->GetFriendlyName(); |
| } |
| |
| // called via RPC (e.g., from ManagerDBusAdaptor) |
| WiFiServiceRefPtr Manager::GetWifiService(const KeyValueStore &args, |
| Error *error) { |
| vector<DeviceRefPtr> wifi_devices; |
| FilterByTechnology(Technology::kWifi, &wifi_devices); |
| if (wifi_devices.empty()) { |
| error->Populate(Error::kInvalidArguments, kManagerErrorNoDevice); |
| return NULL; |
| } else { |
| WiFi *wifi = dynamic_cast<WiFi *>(wifi_devices.front().get()); |
| CHECK(wifi); |
| return wifi->GetService(args, error); |
| } |
| } |
| |
| // called via RPC (e.g., from ManagerDBusAdaptor) |
| void Manager::RequestScan(const string &technology, Error *error) { |
| if (technology == flimflam::kTypeWifi || technology == "") { |
| vector<DeviceRefPtr> wifi_devices; |
| FilterByTechnology(Technology::kWifi, &wifi_devices); |
| |
| for (vector<DeviceRefPtr>::iterator it = wifi_devices.begin(); |
| it != wifi_devices.end(); |
| ++it) { |
| (*it)->Scan(error); |
| } |
| } else { |
| // TODO(quiche): support scanning for other technologies? |
| Error::PopulateAndLog(error, Error::kInvalidArguments, |
| "Unrecognized technology " + technology); |
| } |
| } |
| |
| string Manager::GetTechnologyOrder() { |
| vector<string> technology_names; |
| for (vector<Technology::Identifier>::iterator it = technology_order_.begin(); |
| it != technology_order_.end(); |
| ++it) { |
| technology_names.push_back(Technology::NameFromIdentifier(*it)); |
| } |
| |
| return JoinString(technology_names, ','); |
| } |
| |
| void Manager::SetTechnologyOrder(const string &order, Error *error) { |
| vector<Technology::Identifier> new_order; |
| map<Technology::Identifier, bool> seen; |
| |
| vector<string> order_parts; |
| base::SplitString(order, ',', &order_parts); |
| |
| for (vector<string>::iterator it = order_parts.begin(); |
| it != order_parts.end(); |
| ++it) { |
| Technology::Identifier identifier = Technology::IdentifierFromName(*it); |
| |
| if (identifier == Technology::kUnknown) { |
| Error::PopulateAndLog(error, Error::kInvalidArguments, |
| *it + " is an unknown technology name"); |
| return; |
| } |
| |
| if (ContainsKey(seen, identifier)) { |
| Error::PopulateAndLog(error, Error::kInvalidArguments, |
| *it + " is duplicated in the list"); |
| return; |
| } |
| seen[identifier] = true; |
| new_order.push_back(identifier); |
| } |
| |
| technology_order_ = new_order; |
| SortServices(); |
| } |
| |
| } // namespace shill |