| // 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/cellular/cellular.h" |
| |
| #include <netinet/in.h> |
| #include <linux/if.h> // NOLINT - Needs definitions from netinet/in.h |
| |
| #include <string> |
| #include <tuple> |
| #include <utility> |
| #include <vector> |
| |
| #include <base/bind.h> |
| #include <base/callback.h> |
| #include <base/files/file_path.h> |
| #include <base/memory/ptr_util.h> |
| #include <base/strings/string_split.h> |
| #include <base/strings/string_util.h> |
| #include <base/strings/stringprintf.h> |
| #include <base/time/time.h> |
| #include <chromeos/dbus/service_constants.h> |
| |
| #include "shill/adaptor_interfaces.h" |
| #include "shill/cellular/cellular_bearer.h" |
| #include "shill/cellular/cellular_capability.h" |
| #include "shill/cellular/cellular_service.h" |
| #include "shill/cellular/mobile_operator_info.h" |
| #include "shill/connection.h" |
| #include "shill/control_interface.h" |
| #include "shill/device.h" |
| #include "shill/device_info.h" |
| #include "shill/error.h" |
| #include "shill/event_dispatcher.h" |
| #include "shill/external_task.h" |
| #include "shill/logging.h" |
| #include "shill/manager.h" |
| #include "shill/net/netlink_sock_diag.h" |
| #include "shill/net/rtnl_handler.h" |
| #include "shill/net/sockets.h" |
| #include "shill/ppp_daemon.h" |
| #include "shill/ppp_device.h" |
| #include "shill/ppp_device_factory.h" |
| #include "shill/process_manager.h" |
| #include "shill/profile.h" |
| #include "shill/property_accessor.h" |
| #include "shill/store_interface.h" |
| #include "shill/technology.h" |
| |
| using base::Bind; |
| using base::StringPrintf; |
| using std::map; |
| using std::string; |
| using std::vector; |
| |
| namespace shill { |
| |
| namespace Logging { |
| static auto kModuleLogScope = ScopeLogger::kCellular; |
| static string ObjectID(Cellular* c) { |
| return c->GetRpcIdentifier().value(); |
| } |
| } // namespace Logging |
| |
| namespace { |
| |
| class ApnList { |
| public: |
| void AddApns( |
| const std::vector<std::unique_ptr<MobileOperatorInfo::MobileAPN>>& apns) { |
| for (const auto& mobile_apn : apns) |
| AddApn(mobile_apn); |
| } |
| |
| const Stringmaps& GetList() { return apn_dict_list_; } |
| |
| private: |
| using ApnIndexKey = |
| std::tuple<std::string, std::string, std::string, std::string>; |
| |
| ApnIndexKey GetKey( |
| const std::unique_ptr<MobileOperatorInfo::MobileAPN>& mobile_apn) { |
| return std::make_tuple(mobile_apn->apn, mobile_apn->username, |
| mobile_apn->password, mobile_apn->authentication); |
| } |
| |
| void AddApn( |
| const std::unique_ptr<MobileOperatorInfo::MobileAPN>& mobile_apn) { |
| ApnIndexKey index = GetKey(mobile_apn); |
| if (apn_index_[index] == nullptr) { |
| apn_dict_list_.emplace_back(); |
| apn_index_[index] = &apn_dict_list_.back(); |
| } |
| |
| Stringmap* props = apn_index_[index]; |
| if (!mobile_apn->apn.empty()) |
| props->emplace(kApnProperty, mobile_apn->apn); |
| if (!mobile_apn->username.empty()) |
| props->emplace(kApnUsernameProperty, mobile_apn->username); |
| if (!mobile_apn->password.empty()) |
| props->emplace(kApnPasswordProperty, mobile_apn->password); |
| if (!mobile_apn->authentication.empty()) |
| props->emplace(kApnAuthenticationProperty, mobile_apn->authentication); |
| |
| // Find the first localized and non-localized name, if any. |
| if (!mobile_apn->operator_name_list.empty()) |
| props->emplace(kApnNameProperty, mobile_apn->operator_name_list[0].name); |
| for (const auto& lname : mobile_apn->operator_name_list) { |
| if (!lname.language.empty()) |
| props->emplace(kApnLocalizedNameProperty, lname.name); |
| } |
| } |
| |
| Stringmaps apn_dict_list_; |
| std::map<ApnIndexKey, Stringmap*> apn_index_; |
| }; |
| |
| } // namespace |
| |
| // static |
| const char Cellular::kAllowRoaming[] = "AllowRoaming"; |
| const int64_t Cellular::kDefaultScanningTimeoutMilliseconds = 60000; |
| const int64_t Cellular::kPollLocationIntervalMilliseconds = 300000; // 5 mins |
| const char Cellular::kGenericServiceNamePrefix[] = "MobileNetwork"; |
| unsigned int Cellular::friendly_service_name_id_ = 1; |
| |
| Cellular::Cellular(ModemInfo* modem_info, |
| const string& link_name, |
| const string& address, |
| int interface_index, |
| Type type, |
| const string& service, |
| const RpcIdentifier& path) |
| : Device(modem_info->manager(), |
| link_name, |
| address, |
| interface_index, |
| Technology::kCellular), |
| state_(kStateDisabled), |
| modem_state_(kModemStateUnknown), |
| home_provider_info_( |
| new MobileOperatorInfo(modem_info->dispatcher(), "HomeProvider")), |
| serving_operator_info_( |
| new MobileOperatorInfo(modem_info->dispatcher(), "ServingOperator")), |
| dbus_service_(service), |
| dbus_path_(path), |
| dbus_path_str_(path.value()), |
| scanning_supported_(false), |
| scanning_(false), |
| polling_location_(false), |
| provider_requires_roaming_(false), |
| scan_interval_(0), |
| sim_present_(false), |
| modem_info_(modem_info), |
| capability_(CellularCapability::Create(type, this, modem_info)), |
| ppp_device_factory_(PPPDeviceFactory::GetInstance()), |
| process_manager_(ProcessManager::GetInstance()), |
| allow_roaming_(false), |
| proposed_scan_in_progress_(false), |
| explicit_disconnect_(false), |
| is_ppp_authenticating_(false), |
| scanning_timeout_milliseconds_(kDefaultScanningTimeoutMilliseconds), |
| weak_ptr_factory_(this) { |
| RegisterProperties(); |
| |
| // TODO(pprabhu) Split MobileOperatorInfo into a context that stores the |
| // costly database, and lighter objects that |Cellular| can own. |
| // crbug.com/363874 |
| home_provider_info_->Init(); |
| serving_operator_info_->Init(); |
| home_provider_info_->AddObserver(this); |
| serving_operator_info_->AddObserver(this); |
| |
| socket_destroyer_ = NetlinkSockDiag::Create(std::make_unique<Sockets>()); |
| if (!socket_destroyer_) { |
| LOG(WARNING) << "Socket destroyer failed to initialize; " |
| << "IPv6 will be unavailable."; |
| } |
| |
| SLOG(this, 2) << "Cellular device " << this->link_name() << " initialized."; |
| } |
| |
| Cellular::~Cellular() = default; |
| |
| string Cellular::GetEquipmentIdentifier() const { |
| // 3GPP devices are uniquely identified by IMEI, which has 15 decimal digits. |
| if (!imei_.empty()) |
| return imei_; |
| |
| // 3GPP2 devices are uniquely identified by MEID, which has 14 hexadecimal |
| // digits. |
| if (!meid_.empty()) |
| return meid_; |
| |
| // An equipment ID may be reported by ModemManager, which is typically the |
| // serial number of a legacy AT modem, and is either the IMEI, MEID, or ESN |
| // of a MBIM/QMI modem. This is used as a fallback in case neither IMEI nor |
| // MEID could be retrieved through ModemManager (e.g. when there is no SIM |
| // inserted, ModemManager doesn't expose modem 3GPP interface where the IMEI |
| // is reported). |
| if (!equipment_id_.empty()) |
| return equipment_id_; |
| |
| // If none of IMEI, MEID, and equipment ID is available, fall back to MAC |
| // address. |
| return mac_address(); |
| } |
| |
| string Cellular::GetStorageIdentifier() const { |
| return "device_" + GetEquipmentIdentifier(); |
| } |
| |
| bool Cellular::Load(const StoreInterface* storage) { |
| const string id = GetStorageIdentifier(); |
| if (!storage->ContainsGroup(id)) { |
| LOG(WARNING) << "Device is not available in the persistent store: " << id; |
| return false; |
| } |
| storage->GetBool(id, kAllowRoaming, &allow_roaming_); |
| return Device::Load(storage); |
| } |
| |
| bool Cellular::Save(StoreInterface* storage) { |
| const string id = GetStorageIdentifier(); |
| storage->SetBool(id, kAllowRoaming, allow_roaming_); |
| return Device::Save(storage); |
| } |
| |
| // static |
| string Cellular::GetStateString(State state) { |
| switch (state) { |
| case kStateDisabled: |
| return "CellularStateDisabled"; |
| case kStateEnabled: |
| return "CellularStateEnabled"; |
| case kStateRegistered: |
| return "CellularStateRegistered"; |
| case kStateConnected: |
| return "CellularStateConnected"; |
| case kStateLinked: |
| return "CellularStateLinked"; |
| default: |
| NOTREACHED(); |
| } |
| return StringPrintf("CellularStateUnknown-%d", state); |
| } |
| |
| // static |
| string Cellular::GetModemStateString(ModemState modem_state) { |
| switch (modem_state) { |
| case kModemStateFailed: |
| return "CellularModemStateFailed"; |
| case kModemStateUnknown: |
| return "CellularModemStateUnknown"; |
| case kModemStateInitializing: |
| return "CellularModemStateInitializing"; |
| case kModemStateLocked: |
| return "CellularModemStateLocked"; |
| case kModemStateDisabled: |
| return "CellularModemStateDisabled"; |
| case kModemStateDisabling: |
| return "CellularModemStateDisabling"; |
| case kModemStateEnabling: |
| return "CellularModemStateEnabling"; |
| case kModemStateEnabled: |
| return "CellularModemStateEnabled"; |
| case kModemStateSearching: |
| return "CellularModemStateSearching"; |
| case kModemStateRegistered: |
| return "CellularModemStateRegistered"; |
| case kModemStateDisconnecting: |
| return "CellularModemStateDisconnecting"; |
| case kModemStateConnecting: |
| return "CellularModemStateConnecting"; |
| case kModemStateConnected: |
| return "CellularModemStateConnected"; |
| default: |
| NOTREACHED(); |
| } |
| return StringPrintf("CellularModemStateUnknown-%d", modem_state); |
| } |
| |
| string Cellular::GetTechnologyFamily(Error* error) { |
| return capability_->GetTypeString(); |
| } |
| |
| string Cellular::GetDeviceId(Error* error) { |
| return device_id_ ? device_id_->AsString() : ""; |
| } |
| |
| bool Cellular::ShouldBringNetworkInterfaceDownAfterDisabled() const { |
| if (!device_id_) |
| return false; |
| |
| // The cdc-mbim kernel driver stop draining the receive buffer after the |
| // network interface is brought down. However, some MBIM modem (see |
| // b:71505232) may misbehave if the host stops draining the receiver buffer |
| // before issuing a MBIM command to disconnect the modem from network. To |
| // work around the issue, shill needs to defer bringing down the network |
| // interface until after the modem is disabled. |
| // |
| // TODO(benchan): Investigate if we need to apply the workaround for other |
| // MBIM modems or revert this change once the issue is addressed by the modem |
| // firmware on Fibocom L850-GL. |
| static constexpr DeviceId kAffectedDeviceIds[] = { |
| {DeviceId::BusType::kUsb, 0x2cb7, 0x0007}, // Fibocom L850-GL |
| }; |
| for (const auto& affected_device_id : kAffectedDeviceIds) { |
| if (device_id_->Match(affected_device_id)) |
| return true; |
| } |
| |
| return false; |
| } |
| |
| void Cellular::SetState(State state) { |
| SLOG(this, 2) << GetStateString(state_) << " -> " << GetStateString(state); |
| state_ = state; |
| } |
| |
| void Cellular::HelpRegisterDerivedBool(const string& name, |
| bool (Cellular::*get)(Error* error), |
| bool (Cellular::*set)(const bool& value, |
| Error* error)) { |
| mutable_store()->RegisterDerivedBool( |
| name, BoolAccessor(new CustomAccessor<Cellular, bool>(this, get, set))); |
| } |
| |
| void Cellular::HelpRegisterConstDerivedString(const string& name, |
| string (Cellular::*get)(Error*)) { |
| mutable_store()->RegisterDerivedString( |
| name, |
| StringAccessor(new CustomAccessor<Cellular, string>(this, get, nullptr))); |
| } |
| |
| void Cellular::Start(Error* error, |
| const EnabledStateChangedCallback& callback) { |
| DCHECK(error); |
| SLOG(this, 2) << __func__ << ": " << GetStateString(state_); |
| // We can only short circuit the start operation if both the cellular state |
| // is not disabled AND the proxies have been initialized. We have seen |
| // crashes due to NULL proxies and the state being not disabled. |
| if (state_ != kStateDisabled && capability_->AreProxiesInitialized()) { |
| return; |
| } |
| |
| ResultCallback cb = Bind(&Cellular::StartModemCallback, |
| weak_ptr_factory_.GetWeakPtr(), callback); |
| capability_->StartModem(error, cb); |
| } |
| |
| void Cellular::Stop(Error* error, const EnabledStateChangedCallback& callback) { |
| SLOG(this, 2) << __func__ << ": " << GetStateString(state_); |
| explicit_disconnect_ = true; |
| ResultCallback cb = Bind(&Cellular::StopModemCallback, |
| weak_ptr_factory_.GetWeakPtr(), callback); |
| capability_->StopModem(error, cb); |
| // Sockets should be destroyed here to ensure we make new connections |
| // when we next enable cellular. Since the carrier may assign us a new IP |
| // on reconnection and some carriers don't like when packets are sent from |
| // this device using the old IP, we need to make sure we prevent further |
| // packets from going out. |
| if (manager() && manager()->device_info() && socket_destroyer_) { |
| DisableIPv6(); |
| |
| for (const auto& address : |
| manager()->device_info()->GetAddresses(interface_index())) { |
| rtnl_handler()->RemoveInterfaceAddress(interface_index(), address); |
| socket_destroyer_->DestroySockets(IPPROTO_TCP, address); |
| } |
| } |
| } |
| |
| bool Cellular::IsUnderlyingDeviceEnabled() const { |
| return IsEnabledModemState(modem_state_); |
| } |
| |
| // static |
| bool Cellular::IsEnabledModemState(ModemState state) { |
| switch (state) { |
| case kModemStateFailed: |
| case kModemStateUnknown: |
| case kModemStateDisabled: |
| case kModemStateInitializing: |
| case kModemStateLocked: |
| case kModemStateDisabling: |
| case kModemStateEnabling: |
| return false; |
| case kModemStateEnabled: |
| case kModemStateSearching: |
| case kModemStateRegistered: |
| case kModemStateDisconnecting: |
| case kModemStateConnecting: |
| case kModemStateConnected: |
| return true; |
| } |
| return false; |
| } |
| |
| void Cellular::StartModemCallback(const EnabledStateChangedCallback& callback, |
| const Error& error) { |
| SLOG(this, 2) << __func__ << ": " << GetStateString(state_); |
| if (error.IsSuccess() && (state_ == kStateDisabled)) { |
| SetState(kStateEnabled); |
| // Registration state updates may have been ignored while the |
| // modem was not yet marked enabled. |
| HandleNewRegistrationState(); |
| } |
| callback.Run(error); |
| } |
| |
| void Cellular::StopModemCallback(const EnabledStateChangedCallback& callback, |
| const Error& error) { |
| SLOG(this, 2) << __func__ << ": " << GetStateString(state_); |
| explicit_disconnect_ = false; |
| // Destroy the cellular service regardless of any errors that occur during |
| // the stop process since we do not know the state of the modem at this |
| // point. |
| DestroyService(); |
| if (state_ != kStateDisabled) |
| SetState(kStateDisabled); |
| callback.Run(error); |
| // In case no termination action was executed (and TerminationActionComplete |
| // was not invoked) in response to a suspend request, any registered |
| // termination action needs to be removed explicitly. |
| manager()->RemoveTerminationAction(link_name()); |
| } |
| |
| void Cellular::CompleteActivation(Error* error) { |
| capability_->CompleteActivation(error); |
| } |
| |
| void Cellular::RegisterOnNetwork(const string& network_id, |
| Error* error, |
| const ResultCallback& callback) { |
| capability_->RegisterOnNetwork(network_id, error, callback); |
| } |
| |
| void Cellular::RequirePin(const string& pin, |
| bool require, |
| Error* error, |
| const ResultCallback& callback) { |
| SLOG(this, 2) << __func__ << "(" << require << ")"; |
| capability_->RequirePin(pin, require, error, callback); |
| } |
| |
| void Cellular::EnterPin(const string& pin, |
| Error* error, |
| const ResultCallback& callback) { |
| SLOG(this, 2) << __func__; |
| capability_->EnterPin(pin, error, callback); |
| } |
| |
| void Cellular::UnblockPin(const string& unblock_code, |
| const string& pin, |
| Error* error, |
| const ResultCallback& callback) { |
| SLOG(this, 2) << __func__; |
| capability_->UnblockPin(unblock_code, pin, error, callback); |
| } |
| |
| void Cellular::ChangePin(const string& old_pin, |
| const string& new_pin, |
| Error* error, |
| const ResultCallback& callback) { |
| SLOG(this, 2) << __func__; |
| capability_->ChangePin(old_pin, new_pin, error, callback); |
| } |
| |
| void Cellular::Reset(Error* error, const ResultCallback& callback) { |
| SLOG(this, 2) << __func__; |
| capability_->Reset(error, callback); |
| } |
| |
| bool Cellular::IsIPv6Allowed() const { |
| // A cellular device is disabled before the system goes into suspend mode. |
| // However, outstanding TCP sockets may not be nuked when the associated |
| // network interface goes down. When the system resumes from suspend, the |
| // cellular device is re-enabled and may reconnect to the network, which |
| // acquire a new IPv6 address on the network interface. However, those |
| // outstanding TCP sockets may initiate traffic with the old IPv6 address. |
| // Some network may not like the fact that two IPv6 addresses originated from |
| // the same modem within a connection session and may drop the connection. |
| // Here we disable IPv6 support on cellular devices to work around the issue. |
| // |
| return false; |
| } |
| |
| void Cellular::DropConnection() { |
| if (ppp_device_) { |
| // For PPP dongles, IP configuration is handled on the |ppp_device_|, |
| // rather than the netdev plumbed into |this|. |
| ppp_device_->DropConnection(); |
| } else { |
| Device::DropConnection(); |
| } |
| } |
| |
| void Cellular::SetServiceState(Service::ConnectState state) { |
| if (ppp_device_) { |
| ppp_device_->SetServiceState(state); |
| } else if (selected_service()) { |
| Device::SetServiceState(state); |
| } else if (service_) { |
| service_->SetState(state); |
| } else { |
| LOG(WARNING) << "State change with no Service."; |
| } |
| } |
| |
| void Cellular::SetServiceFailure(Service::ConnectFailure failure_state) { |
| if (ppp_device_) { |
| ppp_device_->SetServiceFailure(failure_state); |
| } else if (selected_service()) { |
| Device::SetServiceFailure(failure_state); |
| } else if (service_) { |
| service_->SetFailure(failure_state); |
| } else { |
| LOG(WARNING) << "State change with no Service."; |
| } |
| } |
| |
| void Cellular::SetServiceFailureSilent(Service::ConnectFailure failure_state) { |
| if (ppp_device_) { |
| ppp_device_->SetServiceFailureSilent(failure_state); |
| } else if (selected_service()) { |
| Device::SetServiceFailureSilent(failure_state); |
| } else if (service_) { |
| service_->SetFailureSilent(failure_state); |
| } else { |
| LOG(WARNING) << "State change with no Service."; |
| } |
| } |
| |
| void Cellular::OnBeforeSuspend(const ResultCallback& callback) { |
| LOG(INFO) << __func__; |
| Error error; |
| StopPPP(); |
| SetEnabledNonPersistent(false, &error, callback); |
| if (error.IsFailure() && error.type() != Error::kInProgress) { |
| // If we fail to disable the modem right away, proceed instead of wasting |
| // the time to wait for the suspend/termination delay to expire. |
| LOG(WARNING) << "Proceed with suspend/termination even though the modem " |
| << "is not yet disabled: " << error; |
| callback.Run(error); |
| } |
| } |
| |
| void Cellular::OnAfterResume() { |
| SLOG(this, 2) << __func__; |
| if (enabled_persistent()) { |
| LOG(INFO) << "Restarting modem after resume."; |
| |
| // If we started disabling the modem before suspend, but that |
| // suspend is still in progress, then we are not yet in |
| // kStateDisabled. That's a problem, because Cellular::Start |
| // returns immediately in that case. Hack around that by forcing |
| // |state_| here. |
| // |
| // TODO(quiche): Remove this hack. Maybe |
| // CellularCapability3gpp should generate separate |
| // notifications for Stop_Disable, and Stop_PowerDown. Then we'd |
| // update our state to kStateDisabled when Stop_Disable completes. |
| state_ = kStateDisabled; |
| |
| Error error; |
| SetEnabledUnchecked(true, &error, Bind(LogRestartModemResult)); |
| if (error.IsSuccess()) { |
| LOG(INFO) << "Modem restart completed immediately."; |
| } else if (error.IsOngoing()) { |
| LOG(INFO) << "Modem restart in progress."; |
| } else { |
| LOG(WARNING) << "Modem restart failed: " << error; |
| } |
| } |
| |
| // Re-enable IPv6 so we can renegotiate an IP address. |
| EnableIPv6(); |
| |
| // TODO(quiche): Consider if this should be conditional. If, e.g., |
| // the device was still disabling when we suspended, will trying to |
| // renew DHCP here cause problems? |
| Device::OnAfterResume(); |
| } |
| |
| void Cellular::Scan(Error* error, const string& /*reason*/) { |
| SLOG(this, 2) << __func__; |
| CHECK(error); |
| if (proposed_scan_in_progress_) { |
| Error::PopulateAndLog(FROM_HERE, error, Error::kInProgress, |
| "Already scanning"); |
| return; |
| } |
| |
| ResultStringmapsCallback cb = |
| Bind(&Cellular::OnScanReply, weak_ptr_factory_.GetWeakPtr()); |
| capability_->Scan(error, cb); |
| // An immediate failure in |cabapility_->Scan(...)| is indicated through the |
| // |error| argument. |
| if (error->IsFailure()) |
| return; |
| |
| proposed_scan_in_progress_ = true; |
| UpdateScanning(); |
| } |
| |
| void Cellular::OnScanReply(const Stringmaps& found_networks, |
| const Error& error) { |
| proposed_scan_in_progress_ = false; |
| UpdateScanning(); |
| |
| // TODO(jglasgow): fix error handling. |
| // At present, there is no way of notifying user of this asynchronous error. |
| if (error.IsFailure()) { |
| clear_found_networks(); |
| return; |
| } |
| |
| set_found_networks(found_networks); |
| } |
| |
| // Called from an asyc D-Bus function |
| // Relies on location handler to fetch relevant value from map |
| void Cellular::GetLocationCallback(const string& gpp_lac_ci_string, |
| const Error& error) { |
| // Expects string of form "MCC,MNC,LAC,CI" |
| SLOG(this, 2) << __func__ << ": " << gpp_lac_ci_string; |
| vector<string> location_vec = SplitString( |
| gpp_lac_ci_string, ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL); |
| if (location_vec.size() < 4) { |
| LOG(ERROR) << "Unable to parse location string " << gpp_lac_ci_string; |
| return; |
| } |
| location_info_.mcc = location_vec[0]; |
| location_info_.mnc = location_vec[1]; |
| location_info_.lac = location_vec[2]; |
| location_info_.ci = location_vec[3]; |
| |
| // Alert manager that location has been updated. |
| manager()->OnDeviceGeolocationInfoUpdated(this); |
| } |
| |
| void Cellular::PollLocationTask() { |
| SLOG(this, 4) << __func__; |
| |
| PollLocation(); |
| |
| dispatcher()->PostDelayedTask(FROM_HERE, poll_location_task_.callback(), |
| kPollLocationIntervalMilliseconds); |
| } |
| |
| void Cellular::PollLocation() { |
| StringCallback cb = |
| Bind(&Cellular::GetLocationCallback, weak_ptr_factory_.GetWeakPtr()); |
| capability_->GetLocation(cb); |
| } |
| |
| void Cellular::HandleNewRegistrationState() { |
| SLOG(this, 2) << __func__ << ": (new state " << GetStateString(state_) << ")"; |
| if (!capability_->IsRegistered()) { |
| if (!explicit_disconnect_ && |
| (state_ == kStateLinked || state_ == kStateConnected) && service_.get()) |
| metrics()->NotifyCellularDeviceDrop( |
| capability_->GetNetworkTechnologyString(), service_->strength()); |
| DestroyService(); |
| if (state_ == kStateLinked || state_ == kStateConnected || |
| state_ == kStateRegistered) { |
| SetState(kStateEnabled); |
| } |
| StopLocationPolling(); |
| return; |
| } |
| // In Disabled state, defer creating a service until fully |
| // enabled. UI will ignore the appearance of a new service |
| // on a disabled device. |
| if (state_ == kStateDisabled) { |
| return; |
| } |
| if (state_ == kStateEnabled) { |
| SetState(kStateRegistered); |
| |
| // Once modem enters registered state, begin polling location: |
| // registered means we've successfully connected |
| StartLocationPolling(); |
| } |
| if (!service_) { |
| metrics()->NotifyDeviceScanFinished(interface_index()); |
| CreateService(); |
| } |
| if (state_ == kStateRegistered && modem_state_ == kModemStateConnected) |
| OnConnected(); |
| service_->SetNetworkTechnology(capability_->GetNetworkTechnologyString()); |
| service_->SetRoamingState(capability_->GetRoamingStateString()); |
| manager()->UpdateService(service_); |
| } |
| |
| void Cellular::HandleNewSignalQuality(uint32_t strength) { |
| SLOG(this, 2) << "Signal strength: " << strength; |
| if (service_) { |
| service_->SetStrength(strength); |
| } |
| } |
| |
| void Cellular::CreateService() { |
| SLOG(this, 2) << __func__; |
| CHECK(!service_.get()); |
| service_ = new CellularService(manager(), imsi(), iccid(), GetSimCardId()); |
| service_->SetDevice(this); |
| capability_->OnServiceCreated(); |
| manager()->RegisterService(service_); |
| |
| // We might have missed a property update because the service wasn't created |
| // ealier. |
| UpdateScanning(); |
| OnOperatorChanged(); |
| } |
| |
| void Cellular::DestroyService() { |
| SLOG(this, 2) << __func__; |
| DropConnection(); |
| if (service_) { |
| LOG(INFO) << "Deregistering cellular service " << service_->log_name() |
| << " for device " << link_name(); |
| manager()->DeregisterService(service_); |
| service_ = nullptr; |
| } |
| } |
| |
| void Cellular::Connect(Error* error) { |
| SLOG(this, 2) << __func__; |
| if (state_ == kStateConnected || state_ == kStateLinked) { |
| Error::PopulateAndLog(FROM_HERE, error, Error::kAlreadyConnected, |
| "Already connected; connection request ignored."); |
| return; |
| } else if (state_ != kStateRegistered) { |
| Error::PopulateAndLog(FROM_HERE, error, Error::kNotRegistered, |
| "Modem not registered; connection request ignored."); |
| return; |
| } |
| |
| if (!IsRoamingAllowedOrRequired() && |
| service_->roaming_state() == kRoamingStateRoaming) { |
| Error::PopulateAndLog(FROM_HERE, error, Error::kNotOnHomeNetwork, |
| "Roaming disallowed; connection request ignored."); |
| return; |
| } |
| |
| KeyValueStore properties; |
| capability_->SetupConnectProperties(&properties); |
| ResultCallback cb = |
| Bind(&Cellular::OnConnectReply, weak_ptr_factory_.GetWeakPtr()); |
| OnConnecting(); |
| capability_->Connect(properties, error, cb); |
| if (!error->IsSuccess()) |
| return; |
| |
| bool is_auto_connecting = service_.get() && service_->is_auto_connecting(); |
| metrics()->NotifyDeviceConnectStarted(interface_index(), is_auto_connecting); |
| } |
| |
| // Note that there's no ResultCallback argument to this, |
| // since Connect() isn't yet passed one. |
| void Cellular::OnConnectReply(const Error& error) { |
| SLOG(this, 2) << __func__ << "(" << error << ")"; |
| if (error.IsSuccess()) { |
| metrics()->NotifyDeviceConnectFinished(interface_index()); |
| OnConnected(); |
| } else { |
| metrics()->NotifyCellularDeviceConnectionFailure(); |
| OnConnectFailed(error); |
| } |
| } |
| |
| void Cellular::OnDisabled() { |
| SetEnabled(false); |
| } |
| |
| void Cellular::OnEnabled() { |
| manager()->AddTerminationAction( |
| link_name(), |
| Bind(&Cellular::StartTermination, weak_ptr_factory_.GetWeakPtr())); |
| SetEnabled(true); |
| } |
| |
| void Cellular::OnConnecting() { |
| if (service_) |
| service_->SetState(Service::kStateAssociating); |
| } |
| |
| void Cellular::OnConnected() { |
| SLOG(this, 2) << __func__; |
| if (state_ == kStateConnected || state_ == kStateLinked) { |
| SLOG(this, 2) << "Already connected"; |
| return; |
| } |
| SetState(kStateConnected); |
| if (!service_) { |
| LOG(INFO) << "Disconnecting due to no cellular service."; |
| Disconnect(nullptr, "no celluar service"); |
| } else if (!IsRoamingAllowedOrRequired() && |
| service_->roaming_state() == kRoamingStateRoaming) { |
| LOG(INFO) << "Disconnecting due to roaming."; |
| Disconnect(nullptr, "roaming"); |
| } else { |
| EstablishLink(); |
| } |
| } |
| |
| void Cellular::OnConnectFailed(const Error& error) { |
| if (service_) |
| service_->SetFailure(Service::kFailureUnknown); |
| } |
| |
| void Cellular::Disconnect(Error* error, const char* reason) { |
| SLOG(this, 2) << __func__ << ": " << reason; |
| if (state_ != kStateConnected && state_ != kStateLinked) { |
| Error::PopulateAndLog(FROM_HERE, error, Error::kNotConnected, |
| "Not connected; request ignored."); |
| return; |
| } |
| StopPPP(); |
| explicit_disconnect_ = true; |
| ResultCallback cb = |
| Bind(&Cellular::OnDisconnectReply, weak_ptr_factory_.GetWeakPtr()); |
| capability_->Disconnect(error, cb); |
| } |
| |
| void Cellular::OnDisconnectReply(const Error& error) { |
| SLOG(this, 2) << __func__ << "(" << error << ")"; |
| explicit_disconnect_ = false; |
| if (error.IsSuccess()) { |
| OnDisconnected(); |
| } else { |
| metrics()->NotifyCellularDeviceDisconnectionFailure(); |
| OnDisconnectFailed(); |
| } |
| } |
| |
| void Cellular::OnDisconnected() { |
| SLOG(this, 2) << __func__; |
| if (!DisconnectCleanup()) { |
| LOG(WARNING) << "Disconnect occurred while in state " |
| << GetStateString(state_); |
| } |
| } |
| |
| void Cellular::OnDisconnectFailed() { |
| SLOG(this, 2) << __func__; |
| // If the modem is in the disconnecting state, then |
| // the disconnect should eventually succeed, so do |
| // nothing. |
| if (modem_state_ == kModemStateDisconnecting) { |
| LOG(WARNING) << "Ignoring failed disconnect while modem is disconnecting."; |
| return; |
| } |
| |
| // OnDisconnectFailed got called because no bearers |
| // to disconnect were found. Which means that we shouldn't |
| // really remain in the connected/linked state if we |
| // are in one of those. |
| if (!DisconnectCleanup()) { |
| // otherwise, no-op |
| LOG(WARNING) << "Ignoring failed disconnect while in state " |
| << GetStateString(state_); |
| } |
| |
| // TODO(armansito): In either case, shill ends up thinking |
| // that it's disconnected, while for some reason the underlying |
| // modem might still actually be connected. In that case the UI |
| // would be reflecting an incorrect state and a further connection |
| // request would fail. We should perhaps tear down the modem and |
| // restart it here. |
| } |
| |
| void Cellular::EstablishLink() { |
| SLOG(this, 2) << __func__; |
| CHECK_EQ(kStateConnected, state_); |
| |
| CellularBearer* bearer = capability_->GetActiveBearer(); |
| if (bearer && bearer->ipv4_config_method() == IPConfig::kMethodPPP) { |
| LOG(INFO) << "Start PPP connection on " << bearer->data_interface(); |
| StartPPP(bearer->data_interface()); |
| return; |
| } |
| |
| unsigned int flags = 0; |
| if (manager()->device_info()->GetFlags(interface_index(), &flags) && |
| (flags & IFF_UP) != 0) { |
| LinkEvent(flags, IFF_UP); |
| return; |
| } |
| // TODO(petkov): Provide a timeout for a failed link-up request. |
| rtnl_handler()->SetInterfaceFlags(interface_index(), IFF_UP, IFF_UP); |
| |
| // Set state to associating. |
| OnConnecting(); |
| } |
| |
| void Cellular::LinkEvent(unsigned int flags, unsigned int change) { |
| Device::LinkEvent(flags, change); |
| if (ppp_task_) { |
| LOG(INFO) << "Ignoring LinkEvent on device with PPP interface."; |
| return; |
| } |
| |
| if ((flags & IFF_UP) != 0 && state_ == kStateConnected) { |
| LOG(INFO) << link_name() << " is up."; |
| SetState(kStateLinked); |
| |
| // TODO(benchan): IPv6 support is currently disabled for cellular devices. |
| // Check and obtain IPv6 configuration from the bearer when we later enable |
| // IPv6 support on cellular devices. |
| CellularBearer* bearer = capability_->GetActiveBearer(); |
| if (bearer && bearer->ipv4_config_method() == IPConfig::kMethodStatic) { |
| SLOG(this, 2) << "Assign static IP configuration from bearer."; |
| SelectService(service_); |
| SetServiceState(Service::kStateConfiguring); |
| // Override the MTU with a given limit for a specific serving operator. |
| // TODO(b:138390944): Revisit this override once b:138390944 is resolved. |
| IPConfig::Properties properties = *bearer->ipv4_config_properties(); |
| if (serving_operator_info_ && serving_operator_info_->mtu() != 0) { |
| properties.mtu = serving_operator_info_->mtu(); |
| } |
| AssignIPConfig(properties); |
| return; |
| } |
| |
| if (AcquireIPConfig()) { |
| SLOG(this, 2) << "Start DHCP to acquire IP configuration."; |
| SelectService(service_); |
| SetServiceState(Service::kStateConfiguring); |
| return; |
| } |
| |
| LOG(ERROR) << "Unable to acquire IP configuration over DHCP."; |
| return; |
| } |
| |
| if ((flags & IFF_UP) == 0 && state_ == kStateLinked) { |
| LOG(INFO) << link_name() << " is down."; |
| SetState(kStateConnected); |
| DropConnection(); |
| } |
| } |
| |
| void Cellular::OnPropertiesChanged( |
| const string& interface, |
| const KeyValueStore& changed_properties, |
| const vector<string>& invalidated_properties) { |
| capability_->OnPropertiesChanged(interface, changed_properties, |
| invalidated_properties); |
| } |
| |
| string Cellular::CreateDefaultFriendlyServiceName() { |
| SLOG(this, 2) << __func__; |
| return base::StringPrintf("%s_%u", kGenericServiceNamePrefix, |
| friendly_service_name_id_++); |
| } |
| |
| bool Cellular::IsDefaultFriendlyServiceName(const string& service_name) const { |
| return base::StartsWith(service_name, kGenericServiceNamePrefix, |
| base::CompareCase::SENSITIVE); |
| } |
| |
| void Cellular::OnModemStateChanged(ModemState new_state) { |
| ModemState old_state = modem_state_; |
| SLOG(this, 2) << __func__ << ": " << GetModemStateString(old_state) << " -> " |
| << GetModemStateString(new_state); |
| if (old_state == new_state) { |
| SLOG(this, 2) << "The new state matches the old state. Nothing to do."; |
| return; |
| } |
| set_modem_state(new_state); |
| if (old_state >= kModemStateRegistered && new_state < kModemStateRegistered) { |
| capability_->SetUnregistered(new_state == kModemStateSearching); |
| HandleNewRegistrationState(); |
| } |
| if (new_state == kModemStateDisabled) { |
| OnDisabled(); |
| } else if (new_state >= kModemStateEnabled) { |
| if (old_state < kModemStateEnabled) { |
| // Just became enabled, update enabled state. |
| OnEnabled(); |
| } |
| if ((new_state == kModemStateEnabled || new_state == kModemStateSearching || |
| new_state == kModemStateRegistered) && |
| (old_state == kModemStateConnected || |
| old_state == kModemStateConnecting || |
| old_state == kModemStateDisconnecting)) |
| OnDisconnected(); |
| else if (new_state == kModemStateConnecting) |
| OnConnecting(); |
| else if (new_state == kModemStateConnected && |
| old_state == kModemStateConnecting) |
| OnConnected(); |
| } |
| |
| // Update the kScanningProperty property after we've handled the current state |
| // update completely. |
| UpdateScanning(); |
| } |
| |
| bool Cellular::IsActivating() const { |
| return capability_->IsActivating(); |
| } |
| |
| bool Cellular::IsRoamingAllowedOrRequired() const { |
| return allow_roaming_ || provider_requires_roaming_; |
| } |
| |
| bool Cellular::SetAllowRoaming(const bool& value, Error* /*error*/) { |
| SLOG(this, 2) << __func__ << "(" << allow_roaming_ << "->" << value << ")"; |
| if (allow_roaming_ == value) { |
| return false; |
| } |
| allow_roaming_ = value; |
| manager()->UpdateDevice(this); |
| |
| // Use IsRoamingAllowedOrRequired() instead of |allow_roaming_| in order to |
| // incorporate provider preferences when evaluating if a disconnect is |
| // required. |
| if (!IsRoamingAllowedOrRequired() && |
| capability_->GetRoamingStateString() == kRoamingStateRoaming) { |
| Error error; |
| Disconnect(&error, __func__); |
| } |
| adaptor()->EmitBoolChanged(kCellularAllowRoamingProperty, value); |
| return true; |
| } |
| |
| void Cellular::StartTermination() { |
| SLOG(this, 2) << __func__; |
| OnBeforeSuspend( |
| Bind(&Cellular::OnTerminationCompleted, weak_ptr_factory_.GetWeakPtr())); |
| } |
| |
| void Cellular::OnTerminationCompleted(const Error& error) { |
| LOG(INFO) << __func__ << ": " << error; |
| manager()->TerminationActionComplete(link_name()); |
| manager()->RemoveTerminationAction(link_name()); |
| } |
| |
| bool Cellular::DisconnectCleanup() { |
| bool succeeded = false; |
| if (state_ == kStateConnected || state_ == kStateLinked) { |
| SetState(kStateRegistered); |
| SetServiceFailureSilent(Service::kFailureNone); |
| DestroyIPConfig(); |
| succeeded = true; |
| } |
| return succeeded; |
| } |
| |
| // static |
| void Cellular::LogRestartModemResult(const Error& error) { |
| if (error.IsSuccess()) { |
| LOG(INFO) << "Modem restart completed."; |
| } else { |
| LOG(WARNING) << "Attempt to restart modem failed: " << error; |
| } |
| } |
| |
| void Cellular::StartPPP(const string& serial_device) { |
| SLOG(PPP, this, 2) << __func__ << " on " << serial_device; |
| // Detach any SelectedService from this device. It will be grafted onto |
| // the PPPDevice after PPP is up (in Cellular::Notify). |
| // |
| // This has two important effects: 1) kills dhcpcd if it is running. |
| // 2) stops Cellular::LinkEvent from driving changes to the |
| // SelectedService. |
| if (selected_service()) { |
| CHECK_EQ(service_.get(), selected_service().get()); |
| // Save and restore |service_| state, as DropConnection calls |
| // SelectService, and SelectService will move selected_service() |
| // to kStateIdle. |
| Service::ConnectState original_state(service_->state()); |
| Device::DropConnection(); // Don't redirect to PPPDevice. |
| service_->SetState(original_state); |
| } else { |
| CHECK(!ipconfig()); // Shouldn't have ipconfig without selected_service(). |
| } |
| |
| PPPDaemon::DeathCallback death_callback( |
| Bind(&Cellular::OnPPPDied, weak_ptr_factory_.GetWeakPtr())); |
| |
| PPPDaemon::Options options; |
| options.no_detach = true; |
| options.no_default_route = true; |
| options.use_peer_dns = true; |
| options.max_fail = 1; |
| |
| is_ppp_authenticating_ = false; |
| |
| Error error; |
| std::unique_ptr<ExternalTask> new_ppp_task(PPPDaemon::Start( |
| control_interface(), process_manager_, weak_ptr_factory_.GetWeakPtr(), |
| options, serial_device, death_callback, &error)); |
| if (new_ppp_task) { |
| LOG(INFO) << "Forked pppd process."; |
| ppp_task_ = std::move(new_ppp_task); |
| } |
| } |
| |
| void Cellular::StopPPP() { |
| SLOG(PPP, this, 2) << __func__; |
| if (!ppp_device_) |
| return; |
| DropConnection(); |
| ppp_task_.reset(); |
| ppp_device_ = nullptr; |
| } |
| |
| // called by |ppp_task_| |
| void Cellular::GetLogin(string* user, string* password) { |
| SLOG(PPP, this, 2) << __func__; |
| if (!service()) { |
| LOG(ERROR) << __func__ << " with no service "; |
| return; |
| } |
| CHECK(user); |
| CHECK(password); |
| *user = service()->ppp_username(); |
| *password = service()->ppp_password(); |
| } |
| |
| // Called by |ppp_task_|. |
| void Cellular::Notify(const string& reason, const map<string, string>& dict) { |
| SLOG(PPP, this, 2) << __func__ << " " << reason << " on " << link_name(); |
| |
| if (reason == kPPPReasonAuthenticating) { |
| OnPPPAuthenticating(); |
| } else if (reason == kPPPReasonAuthenticated) { |
| OnPPPAuthenticated(); |
| } else if (reason == kPPPReasonConnect) { |
| OnPPPConnected(dict); |
| } else if (reason == kPPPReasonDisconnect) { |
| // Ignore; we get disconnect information when pppd exits. |
| } else { |
| NOTREACHED(); |
| } |
| } |
| |
| void Cellular::OnPPPAuthenticated() { |
| SLOG(PPP, this, 2) << __func__; |
| is_ppp_authenticating_ = false; |
| } |
| |
| void Cellular::OnPPPAuthenticating() { |
| SLOG(PPP, this, 2) << __func__; |
| is_ppp_authenticating_ = true; |
| } |
| |
| void Cellular::OnPPPConnected(const map<string, string>& params) { |
| SLOG(PPP, this, 2) << __func__; |
| string interface_name = PPPDevice::GetInterfaceName(params); |
| DeviceInfo* device_info = manager()->device_info(); |
| int interface_index = device_info->GetIndex(interface_name); |
| if (interface_index < 0) { |
| // TODO(quiche): Consider handling the race when the RTNL notification about |
| // the new PPP device has not been received yet. crbug.com/246832. |
| NOTIMPLEMENTED() << ": No device info for " << interface_name << "."; |
| return; |
| } |
| |
| if (!ppp_device_ || ppp_device_->interface_index() != interface_index) { |
| if (ppp_device_) { |
| ppp_device_->SelectService(nullptr); // No longer drives |service_|. |
| // Destroy the existing device before creating a new one to avoid the |
| // possibility of multiple DBus Objects with the same interface name. |
| // See https://crbug.com/1032030 for details. |
| ppp_device_ = nullptr; |
| } |
| ppp_device_ = ppp_device_factory_->CreatePPPDevice( |
| manager(), interface_name, interface_index); |
| device_info->RegisterDevice(ppp_device_); |
| } |
| |
| CHECK(service_); |
| // For PPP, we only SelectService on the |ppp_device_|. |
| CHECK(!selected_service()); |
| ppp_device_->SetEnabled(true); |
| ppp_device_->SelectService(service_); |
| ppp_device_->UpdateIPConfigFromPPP(params, false /* blackhole_ipv6 */); |
| } |
| |
| void Cellular::OnPPPDied(pid_t pid, int exit) { |
| LOG(INFO) << __func__ << " on " << link_name(); |
| ppp_task_.reset(); |
| if (is_ppp_authenticating_) { |
| SetServiceFailure(Service::kFailurePPPAuth); |
| } else { |
| SetServiceFailure(PPPDevice::ExitStatusToFailure(exit)); |
| } |
| Error error; |
| Disconnect(&error, __func__); |
| } |
| |
| void Cellular::UpdateScanning() { |
| if (proposed_scan_in_progress_) { |
| set_scanning(true); |
| return; |
| } |
| |
| if (modem_state_ == kModemStateEnabling) { |
| set_scanning(true); |
| return; |
| } |
| |
| if (service_ && service_->activation_state() != kActivationStateActivated) { |
| set_scanning(false); |
| return; |
| } |
| |
| if (modem_state_ == kModemStateEnabled || |
| modem_state_ == kModemStateSearching) { |
| set_scanning(true); |
| return; |
| } |
| |
| set_scanning(false); |
| } |
| |
| void Cellular::RegisterProperties() { |
| PropertyStore* store = this->mutable_store(); |
| |
| // These properties do not have setters, and events are not generated when |
| // they are changed. |
| store->RegisterConstString(kDBusServiceProperty, &dbus_service_); |
| store->RegisterConstString(kDBusObjectProperty, &dbus_path_str_); |
| |
| store->RegisterUint16(kScanIntervalProperty, &scan_interval_); |
| |
| // These properties have setters that should be used to change their values. |
| // Events are generated whenever the values change. |
| store->RegisterConstStringmap(kHomeProviderProperty, &home_provider_); |
| store->RegisterConstString(kCarrierProperty, &carrier_); |
| store->RegisterConstBool(kSupportNetworkScanProperty, &scanning_supported_); |
| store->RegisterConstString(kEsnProperty, &esn_); |
| store->RegisterConstString(kFirmwareRevisionProperty, &firmware_revision_); |
| store->RegisterConstString(kHardwareRevisionProperty, &hardware_revision_); |
| store->RegisterConstString(kImeiProperty, &imei_); |
| store->RegisterConstString(kImsiProperty, &imsi_); |
| store->RegisterConstString(kMdnProperty, &mdn_); |
| store->RegisterConstString(kMeidProperty, &meid_); |
| store->RegisterConstString(kMinProperty, &min_); |
| store->RegisterConstString(kManufacturerProperty, &manufacturer_); |
| store->RegisterConstString(kModelIdProperty, &model_id_); |
| store->RegisterConstString(kEquipmentIdProperty, &equipment_id_); |
| store->RegisterConstBool(kScanningProperty, &scanning_); |
| |
| store->RegisterConstString(kSelectedNetworkProperty, &selected_network_); |
| store->RegisterConstStringmaps(kFoundNetworksProperty, &found_networks_); |
| store->RegisterConstBool(kProviderRequiresRoamingProperty, |
| &provider_requires_roaming_); |
| store->RegisterConstBool(kSIMPresentProperty, &sim_present_); |
| store->RegisterConstStringmaps(kCellularApnListProperty, &apn_list_); |
| store->RegisterConstString(kIccidProperty, &iccid_); |
| |
| // TODO(pprabhu): Decide whether these need their own custom setters. |
| HelpRegisterConstDerivedString(kTechnologyFamilyProperty, |
| &Cellular::GetTechnologyFamily); |
| HelpRegisterConstDerivedString(kDeviceIdProperty, &Cellular::GetDeviceId); |
| HelpRegisterDerivedBool(kCellularAllowRoamingProperty, |
| &Cellular::GetAllowRoaming, |
| &Cellular::SetAllowRoaming); |
| } |
| |
| const std::string& Cellular::GetSimCardId() const { |
| // TODO(b/154014577): Support eSIM. |
| return iccid_; |
| } |
| |
| std::deque<Stringmap> Cellular::BuildApnTryList() const { |
| std::deque<Stringmap> apn_try_list; |
| |
| if (service_) { |
| const Stringmap* apn_info = service_->GetUserSpecifiedApn(); |
| if (apn_info) |
| apn_try_list.push_back(*apn_info); |
| |
| apn_info = service_->GetLastGoodApn(); |
| if (apn_info) |
| apn_try_list.push_back(*apn_info); |
| } |
| |
| apn_try_list.insert(apn_try_list.end(), apn_list_.begin(), apn_list_.end()); |
| return apn_try_list; |
| } |
| |
| void Cellular::set_home_provider(const Stringmap& home_provider) { |
| if (home_provider_ == home_provider) |
| return; |
| |
| home_provider_ = home_provider; |
| adaptor()->EmitStringmapChanged(kHomeProviderProperty, home_provider_); |
| } |
| |
| void Cellular::set_carrier(const string& carrier) { |
| if (carrier_ == carrier) |
| return; |
| |
| carrier_ = carrier; |
| adaptor()->EmitStringChanged(kCarrierProperty, carrier_); |
| } |
| |
| void Cellular::set_scanning_supported(bool scanning_supported) { |
| if (scanning_supported_ == scanning_supported) |
| return; |
| |
| scanning_supported_ = scanning_supported; |
| if (adaptor()) |
| adaptor()->EmitBoolChanged(kSupportNetworkScanProperty, |
| scanning_supported_); |
| else |
| SLOG(this, 2) << "Could not emit signal for property |" |
| << kSupportNetworkScanProperty |
| << "| change. DBus adaptor is NULL!"; |
| } |
| |
| void Cellular::set_equipment_id(const string& equipment_id) { |
| if (equipment_id_ == equipment_id) |
| return; |
| |
| equipment_id_ = equipment_id; |
| adaptor()->EmitStringChanged(kEquipmentIdProperty, equipment_id_); |
| } |
| |
| void Cellular::set_esn(const string& esn) { |
| if (esn_ == esn) |
| return; |
| |
| esn_ = esn; |
| adaptor()->EmitStringChanged(kEsnProperty, esn_); |
| } |
| |
| void Cellular::set_firmware_revision(const string& firmware_revision) { |
| if (firmware_revision_ == firmware_revision) |
| return; |
| |
| firmware_revision_ = firmware_revision; |
| adaptor()->EmitStringChanged(kFirmwareRevisionProperty, firmware_revision_); |
| } |
| |
| void Cellular::set_hardware_revision(const string& hardware_revision) { |
| if (hardware_revision_ == hardware_revision) |
| return; |
| |
| hardware_revision_ = hardware_revision; |
| adaptor()->EmitStringChanged(kHardwareRevisionProperty, hardware_revision_); |
| } |
| |
| void Cellular::set_device_id(std::unique_ptr<DeviceId> device_id) { |
| device_id_ = std::move(device_id); |
| } |
| |
| // TODO(armansito): The following methods should probably log their argument |
| // values. Need to learn if any of them need to be scrubbed. |
| void Cellular::set_imei(const string& imei) { |
| if (imei_ == imei) |
| return; |
| |
| imei_ = imei; |
| adaptor()->EmitStringChanged(kImeiProperty, imei_); |
| } |
| |
| void Cellular::set_imsi(const string& imsi) { |
| if (imsi_ == imsi) |
| return; |
| |
| imsi_ = imsi; |
| adaptor()->EmitStringChanged(kImsiProperty, imsi_); |
| } |
| |
| void Cellular::set_mdn(const string& mdn) { |
| if (mdn_ == mdn) |
| return; |
| |
| mdn_ = mdn; |
| adaptor()->EmitStringChanged(kMdnProperty, mdn_); |
| } |
| |
| void Cellular::set_meid(const string& meid) { |
| if (meid_ == meid) |
| return; |
| |
| meid_ = meid; |
| adaptor()->EmitStringChanged(kMeidProperty, meid_); |
| } |
| |
| void Cellular::set_min(const string& min) { |
| if (min_ == min) |
| return; |
| |
| min_ = min; |
| adaptor()->EmitStringChanged(kMinProperty, min_); |
| } |
| |
| void Cellular::set_manufacturer(const string& manufacturer) { |
| if (manufacturer_ == manufacturer) |
| return; |
| |
| manufacturer_ = manufacturer; |
| adaptor()->EmitStringChanged(kManufacturerProperty, manufacturer_); |
| } |
| |
| void Cellular::set_model_id(const string& model_id) { |
| if (model_id_ == model_id) |
| return; |
| |
| model_id_ = model_id; |
| adaptor()->EmitStringChanged(kModelIdProperty, model_id_); |
| } |
| |
| void Cellular::set_mm_plugin(const string& mm_plugin) { |
| mm_plugin_ = mm_plugin; |
| } |
| |
| void Cellular::StartLocationPolling() { |
| if (!capability_->IsLocationUpdateSupported()) { |
| SLOG(this, 2) << "Location polling not enabled for " << mm_plugin_ |
| << " plugin."; |
| return; |
| } |
| |
| if (polling_location_) |
| return; |
| |
| polling_location_ = true; |
| |
| CHECK(poll_location_task_.IsCancelled()); |
| SLOG(this, 2) << __func__ << ": " |
| << "Starting location polling tasks."; |
| poll_location_task_.Reset( |
| Bind(&Cellular::PollLocationTask, weak_ptr_factory_.GetWeakPtr())); |
| |
| // Schedule an immediate task |
| dispatcher()->PostTask(FROM_HERE, poll_location_task_.callback()); |
| } |
| |
| void Cellular::StopLocationPolling() { |
| if (!polling_location_) |
| return; |
| polling_location_ = false; |
| |
| if (!poll_location_task_.IsCancelled()) { |
| SLOG(this, 2) << __func__ << ": " |
| << "Cancelling outstanding timeout."; |
| poll_location_task_.Cancel(); |
| } |
| } |
| |
| void Cellular::set_scanning(bool scanning) { |
| if (scanning_ == scanning) |
| return; |
| |
| scanning_ = scanning; |
| adaptor()->EmitBoolChanged(kScanningProperty, scanning_); |
| |
| // kScanningProperty is a sticky-false property. |
| // Every time it is set to |true|, it will remain |true| up to a maximum of |
| // |kScanningTimeout| time, after which it will be reset to |false|. |
| if (!scanning_ && !scanning_timeout_callback_.IsCancelled()) { |
| SLOG(this, 2) << "Scanning set to false. " |
| << "Cancelling outstanding timeout."; |
| scanning_timeout_callback_.Cancel(); |
| } else { |
| CHECK(scanning_timeout_callback_.IsCancelled()); |
| SLOG(this, 2) << "Scanning set to true. " |
| << "Starting timeout to reset to false."; |
| scanning_timeout_callback_.Reset( |
| Bind(&Cellular::set_scanning, weak_ptr_factory_.GetWeakPtr(), false)); |
| dispatcher()->PostDelayedTask(FROM_HERE, |
| scanning_timeout_callback_.callback(), |
| scanning_timeout_milliseconds_); |
| } |
| } |
| |
| void Cellular::set_selected_network(const string& selected_network) { |
| if (selected_network_ == selected_network) |
| return; |
| |
| selected_network_ = selected_network; |
| adaptor()->EmitStringChanged(kSelectedNetworkProperty, selected_network_); |
| } |
| |
| void Cellular::set_found_networks(const Stringmaps& found_networks) { |
| // There is no canonical form of a Stringmaps value. |
| // So don't check for redundant updates. |
| found_networks_ = found_networks; |
| adaptor()->EmitStringmapsChanged(kFoundNetworksProperty, found_networks_); |
| } |
| |
| void Cellular::clear_found_networks() { |
| if (found_networks_.empty()) |
| return; |
| |
| found_networks_.clear(); |
| adaptor()->EmitStringmapsChanged(kFoundNetworksProperty, found_networks_); |
| } |
| |
| void Cellular::set_provider_requires_roaming(bool provider_requires_roaming) { |
| if (provider_requires_roaming_ == provider_requires_roaming) |
| return; |
| |
| provider_requires_roaming_ = provider_requires_roaming; |
| adaptor()->EmitBoolChanged(kProviderRequiresRoamingProperty, |
| provider_requires_roaming_); |
| } |
| |
| void Cellular::set_sim_present(bool sim_present) { |
| if (sim_present_ == sim_present) |
| return; |
| |
| sim_present_ = sim_present; |
| adaptor()->EmitBoolChanged(kSIMPresentProperty, sim_present_); |
| } |
| |
| void Cellular::set_apn_list(const Stringmaps& apn_list) { |
| // There is no canonical form of a Stringmaps value. |
| // So don't check for redundant updates. |
| apn_list_ = apn_list; |
| // See crbug.com/215581: Sometimes adaptor may be nullptr when |set_apn_list| |
| // is called. |
| if (adaptor()) |
| adaptor()->EmitStringmapsChanged(kCellularApnListProperty, apn_list_); |
| else |
| SLOG(this, 2) << "Could not emit signal for property |" |
| << kCellularApnListProperty |
| << "| change. DBus adaptor is NULL!"; |
| } |
| |
| void Cellular::set_iccid(const string& iccid) { |
| if (iccid_ == iccid) |
| return; |
| |
| iccid_ = iccid; |
| adaptor()->EmitStringChanged(kIccidProperty, iccid_); |
| } |
| |
| void Cellular::set_home_provider_info(MobileOperatorInfo* home_provider_info) { |
| home_provider_info_.reset(home_provider_info); |
| } |
| |
| void Cellular::set_serving_operator_info( |
| MobileOperatorInfo* serving_operator_info) { |
| serving_operator_info_.reset(serving_operator_info); |
| } |
| |
| void Cellular::UpdateHomeProvider(const MobileOperatorInfo* operator_info) { |
| SLOG(this, 3) << __func__; |
| |
| Stringmap home_provider; |
| if (!operator_info->sid().empty()) { |
| home_provider[kOperatorCodeKey] = operator_info->sid(); |
| } |
| if (!operator_info->nid().empty()) { |
| home_provider[kOperatorCodeKey] = operator_info->nid(); |
| } |
| if (!operator_info->mccmnc().empty()) { |
| home_provider[kOperatorCodeKey] = operator_info->mccmnc(); |
| } |
| if (!operator_info->operator_name().empty()) { |
| home_provider[kOperatorNameKey] = operator_info->operator_name(); |
| } |
| if (!operator_info->country().empty()) { |
| home_provider[kOperatorCountryKey] = operator_info->country(); |
| } |
| if (!operator_info->uuid().empty()) { |
| home_provider[kOperatorUuidKey] = operator_info->uuid(); |
| } |
| set_home_provider(home_provider); |
| |
| ApnList apn_list; |
| apn_list.AddApns(capability_->GetProfiles()); |
| apn_list.AddApns(operator_info->apn_list()); |
| set_apn_list(apn_list.GetList()); |
| |
| set_provider_requires_roaming(operator_info->requires_roaming()); |
| } |
| |
| void Cellular::UpdateServingOperator( |
| const MobileOperatorInfo* operator_info, |
| const MobileOperatorInfo* home_provider_info) { |
| SLOG(this, 3) << __func__; |
| if (!service()) { |
| return; |
| } |
| |
| Stringmap serving_operator; |
| if (!operator_info->sid().empty()) { |
| serving_operator[kOperatorCodeKey] = operator_info->sid(); |
| } |
| if (!operator_info->nid().empty()) { |
| serving_operator[kOperatorCodeKey] = operator_info->nid(); |
| } |
| if (!operator_info->mccmnc().empty()) { |
| serving_operator[kOperatorCodeKey] = operator_info->mccmnc(); |
| } |
| if (!operator_info->operator_name().empty()) { |
| serving_operator[kOperatorNameKey] = operator_info->operator_name(); |
| } |
| if (!operator_info->country().empty()) { |
| serving_operator[kOperatorCountryKey] = operator_info->country(); |
| } |
| if (!operator_info->uuid().empty()) { |
| serving_operator[kOperatorUuidKey] = operator_info->uuid(); |
| } |
| service()->SetServingOperator(serving_operator); |
| |
| // Set friendly name of service. |
| string service_name; |
| if (!operator_info->operator_name().empty()) { |
| // If roaming, try to show "<home-provider> | <serving-operator>", per 3GPP |
| // rules (TS 31.102 and annex A of 122.101). |
| if (service()->roaming_state() == kRoamingStateRoaming && |
| home_provider_info && !home_provider_info->operator_name().empty() && |
| home_provider_info->operator_name() != operator_info->operator_name()) { |
| service_name += home_provider_info->operator_name() + " | "; |
| } |
| service_name += operator_info->operator_name(); |
| } else if (!operator_info->mccmnc().empty()) { |
| // We could not get a name for the operator, just use the code. |
| service_name = "cellular_" + operator_info->mccmnc(); |
| } else { |
| // We do not have any information, so must fallback to default service name. |
| // Only assign a new default name if the service doesn't already have one, |
| // because we we generate a new name each time. |
| service_name = service()->friendly_name(); |
| if (!IsDefaultFriendlyServiceName(service_name)) { |
| service_name = CreateDefaultFriendlyServiceName(); |
| } |
| } |
| service()->SetFriendlyName(service_name); |
| } |
| |
| vector<GeolocationInfo> Cellular::GetGeolocationObjects() const { |
| const string& mcc = location_info_.mcc; |
| const string& mnc = location_info_.mnc; |
| const string& lac = location_info_.lac; |
| const string& cid = location_info_.ci; |
| |
| GeolocationInfo geolocation_info; |
| |
| if (!(mcc.empty() || mnc.empty() || lac.empty() || cid.empty())) { |
| geolocation_info[kGeoMobileCountryCodeProperty] = mcc; |
| geolocation_info[kGeoMobileNetworkCodeProperty] = mnc; |
| geolocation_info[kGeoLocationAreaCodeProperty] = lac; |
| geolocation_info[kGeoCellIdProperty] = cid; |
| // kGeoTimingAdvanceProperty currently unused in geolocation API |
| } |
| // Else we have either an incomplete location, no location yet, |
| // or some unsupported location type, so don't return something incorrect. |
| |
| return {geolocation_info}; |
| } |
| |
| void Cellular::OnOperatorChanged() { |
| SLOG(this, 3) << __func__; |
| |
| if (service()) { |
| capability_->UpdateServiceOLP(); |
| } |
| |
| const bool home_provider_known = |
| home_provider_info_->IsMobileNetworkOperatorKnown(); |
| const bool serving_operator_known = |
| serving_operator_info_->IsMobileNetworkOperatorKnown(); |
| |
| if (home_provider_known) { |
| UpdateHomeProvider(home_provider_info_.get()); |
| } else if (serving_operator_known) { |
| SLOG(this, 2) << "Serving provider proxying in for home provider."; |
| UpdateHomeProvider(serving_operator_info_.get()); |
| } |
| |
| if (serving_operator_known) { |
| if (home_provider_known) { |
| UpdateServingOperator(serving_operator_info_.get(), |
| home_provider_info_.get()); |
| } else { |
| UpdateServingOperator(serving_operator_info_.get(), nullptr); |
| } |
| } else if (home_provider_known) { |
| UpdateServingOperator(home_provider_info_.get(), home_provider_info_.get()); |
| } |
| } |
| |
| } // namespace shill |