| // Copyright (c) 2011 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.h" |
| |
| #include <netinet/in.h> |
| #include <linux/if.h> |
| |
| #include <string> |
| #include <utility> |
| #include <vector> |
| |
| #include <base/logging.h> |
| #include <base/stringprintf.h> |
| #include <chromeos/dbus/service_constants.h> |
| #include <mm/mm-modem.h> |
| |
| #include "shill/cellular_service.h" |
| #include "shill/control_interface.h" |
| #include "shill/device.h" |
| #include "shill/device_info.h" |
| #include "shill/manager.h" |
| #include "shill/modem_simple_proxy_interface.h" |
| #include "shill/profile.h" |
| #include "shill/property_accessor.h" |
| #include "shill/proxy_factory.h" |
| #include "shill/rtnl_handler.h" |
| #include "shill/shill_event.h" |
| |
| using std::make_pair; |
| using std::string; |
| using std::vector; |
| |
| namespace shill { |
| |
| const char Cellular::kConnectPropertyPhoneNumber[] = "number"; |
| const char Cellular::kPhoneNumberCDMA[] = "#777"; |
| const char Cellular::kPhoneNumberGSM[] = "*99#"; |
| |
| Cellular::Network::Network() { |
| dict_[flimflam::kStatusProperty] = ""; |
| dict_[flimflam::kNetworkIdProperty] = ""; |
| dict_[flimflam::kShortNameProperty] = ""; |
| dict_[flimflam::kLongNameProperty] = ""; |
| dict_[flimflam::kTechnologyProperty] = ""; |
| } |
| |
| Cellular::Network::~Network() {} |
| |
| const std::string &Cellular::Network::GetStatus() const { |
| return dict_.find(flimflam::kStatusProperty)->second; |
| } |
| |
| void Cellular::Network::SetStatus(const std::string &status) { |
| dict_[flimflam::kStatusProperty] = status; |
| } |
| |
| const std::string &Cellular::Network::GetId() const { |
| return dict_.find(flimflam::kNetworkIdProperty)->second; |
| } |
| |
| void Cellular::Network::SetId(const std::string &id) { |
| dict_[flimflam::kNetworkIdProperty] = id; |
| } |
| |
| const std::string &Cellular::Network::GetShortName() const { |
| return dict_.find(flimflam::kShortNameProperty)->second; |
| } |
| |
| void Cellular::Network::SetShortName(const std::string &name) { |
| dict_[flimflam::kShortNameProperty] = name; |
| } |
| |
| const std::string &Cellular::Network::GetLongName() const { |
| return dict_.find(flimflam::kLongNameProperty)->second; |
| } |
| |
| void Cellular::Network::SetLongName(const std::string &name) { |
| dict_[flimflam::kLongNameProperty] = name; |
| } |
| |
| const std::string &Cellular::Network::GetTechnology() const { |
| return dict_.find(flimflam::kTechnologyProperty)->second; |
| } |
| |
| void Cellular::Network::SetTechnology(const std::string &technology) { |
| dict_[flimflam::kTechnologyProperty] = technology; |
| } |
| |
| const Stringmap &Cellular::Network::ToDict() const { |
| return dict_; |
| } |
| |
| Cellular::CDMA::CDMA() |
| : registration_state_evdo(MM_MODEM_CDMA_REGISTRATION_STATE_UNKNOWN), |
| registration_state_1x(MM_MODEM_CDMA_REGISTRATION_STATE_UNKNOWN), |
| activation_state(MM_MODEM_CDMA_ACTIVATION_STATE_NOT_ACTIVATED) {} |
| |
| Cellular::Cellular(ControlInterface *control_interface, |
| EventDispatcher *dispatcher, |
| Manager *manager, |
| const string &link_name, |
| int interface_index, |
| Type type, |
| const string &owner, |
| const string &path) |
| : Device(control_interface, |
| dispatcher, |
| manager, |
| link_name, |
| interface_index), |
| type_(type), |
| state_(kStateDisabled), |
| modem_state_(kModemStateUnknown), |
| dbus_owner_(owner), |
| dbus_path_(path), |
| task_factory_(this), |
| allow_roaming_(false), |
| prl_version_(0), |
| scanning_(false), |
| scan_interval_(0) { |
| store_.RegisterConstString(flimflam::kDBusConnectionProperty, &dbus_owner_); |
| store_.RegisterConstString(flimflam::kDBusObjectProperty, &dbus_path_); |
| store_.RegisterConstString(flimflam::kCarrierProperty, &carrier_); |
| store_.RegisterBool(flimflam::kCellularAllowRoamingProperty, &allow_roaming_); |
| store_.RegisterConstString(flimflam::kEsnProperty, &esn_); |
| store_.RegisterConstString(flimflam::kFirmwareRevisionProperty, |
| &firmware_revision_); |
| store_.RegisterConstString(flimflam::kHardwareRevisionProperty, |
| &hardware_revision_); |
| store_.RegisterConstString(flimflam::kImeiProperty, &imei_); |
| store_.RegisterConstString(flimflam::kImsiProperty, &imsi_); |
| store_.RegisterConstString(flimflam::kManufacturerProperty, &manufacturer_); |
| store_.RegisterConstString(flimflam::kMdnProperty, &mdn_); |
| store_.RegisterConstString(flimflam::kMeidProperty, &meid_); |
| store_.RegisterConstString(flimflam::kMinProperty, &min_); |
| store_.RegisterConstString(flimflam::kModelIDProperty, &model_id_); |
| store_.RegisterConstUint16(flimflam::kPRLVersionProperty, &prl_version_); |
| |
| HelpRegisterDerivedStrIntPair(flimflam::kSIMLockStatusProperty, |
| &Cellular::SimLockStatusToProperty, |
| NULL); |
| HelpRegisterDerivedStringmaps(flimflam::kFoundNetworksProperty, |
| &Cellular::EnumerateNetworks, |
| NULL); |
| |
| store_.RegisterConstBool(flimflam::kScanningProperty, &scanning_); |
| store_.RegisterUint16(flimflam::kScanIntervalProperty, &scan_interval_); |
| |
| VLOG(2) << "Cellular device " << link_name_ << " initialized: " |
| << GetTypeString(); |
| } |
| |
| Cellular::~Cellular() {} |
| |
| string Cellular::GetTypeString() { |
| switch (type_) { |
| case kTypeGSM: return "CellularTypeGSM"; |
| case kTypeCDMA: return "CellularTypeCDMA"; |
| default: NOTREACHED(); |
| } |
| return StringPrintf("CellularTypeUnknown-%d", type_); |
| } |
| |
| string Cellular::GetStateString() { |
| 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_); |
| } |
| |
| void Cellular::SetState(State state) { |
| VLOG(2) << "Current state: " << GetStateString(); |
| state_ = state; |
| VLOG(2) << "New state: " << GetStateString(); |
| } |
| |
| void Cellular::Start() { |
| LOG(INFO) << "Start"; |
| VLOG(2) << __func__ << ": " << GetStateString(); |
| InitProxies(); |
| EnableModem(); |
| if (type_ == kTypeGSM) { |
| RegisterGSMModem(); |
| } |
| GetModemStatus(); |
| GetModemIdentifiers(); |
| if (type_ == kTypeGSM) { |
| GetGSMProperties(); |
| } |
| GetModemInfo(); |
| GetModemRegistrationState(); |
| // TODO(petkov): Device::Start(); |
| } |
| |
| void Cellular::Stop() { |
| proxy_.reset(); |
| simple_proxy_.reset(); |
| cdma_proxy_.reset(); |
| manager_->DeregisterService(service_); |
| service_ = NULL; // Breaks a reference cycle. |
| SetState(kStateDisabled); |
| RTNLHandler::GetInstance()->SetInterfaceFlags(interface_index_, 0, IFF_UP); |
| // TODO(petkov): Device::Stop(); |
| } |
| |
| void Cellular::InitProxies() { |
| LOG(INFO) << "InitProxies"; |
| proxy_.reset( |
| ProxyFactory::factory()->CreateModemProxy(this, dbus_path_, dbus_owner_)); |
| simple_proxy_.reset( |
| ProxyFactory::factory()->CreateModemSimpleProxy( |
| dbus_path_, dbus_owner_)); |
| switch (type_) { |
| case kTypeGSM: |
| NOTIMPLEMENTED(); |
| break; |
| case kTypeCDMA: |
| cdma_proxy_.reset( |
| ProxyFactory::factory()->CreateModemCDMAProxy( |
| this, dbus_path_, dbus_owner_)); |
| break; |
| default: NOTREACHED(); |
| } |
| } |
| |
| void Cellular::EnableModem() { |
| CHECK_EQ(kStateDisabled, state_); |
| // TODO(petkov): Switch to asynchronous calls (crosbug.com/17583). |
| proxy_->Enable(true); |
| SetState(kStateEnabled); |
| } |
| |
| void Cellular::GetModemStatus() { |
| CHECK_EQ(kStateEnabled, state_); |
| // TODO(petkov): Switch to asynchronous calls (crosbug.com/17583). |
| DBusPropertiesMap properties = simple_proxy_->GetStatus(); |
| if (DBusProperties::GetString(properties, "carrier", &carrier_) && |
| type_ == kTypeCDMA) { |
| // TODO(petkov): Set Cellular.FirmwareImageName and home_provider based on |
| // the carrier. |
| } |
| DBusProperties::GetString(properties, "meid", &meid_); |
| DBusProperties::GetString(properties, "imei", &imei_); |
| if (DBusProperties::GetString(properties, "imsi", &imsi_) && |
| type_ == kTypeGSM) { |
| // TODO(petkov): Set GSM provider. |
| } |
| DBusProperties::GetString(properties, "esn", &esn_); |
| DBusProperties::GetString(properties, "mdn", &mdn_); |
| DBusProperties::GetString(properties, "min", &min_); |
| DBusProperties::GetUint16(properties, "prl_version", &prl_version_); |
| DBusProperties::GetString( |
| properties, "firmware_revision", &firmware_revision_); |
| // TODO(petkov): Get payment_url/olp_url/usage_url. For now, get these from |
| // ModemManager to match flimflam. In the future, provide a plugin API to get |
| // these directly from the modem driver. |
| if (type_ == kTypeCDMA) { |
| // TODO(petkov): Get activation_state. |
| } |
| } |
| |
| void Cellular::GetModemIdentifiers() { |
| // TODO(petkov): Implement this. |
| NOTIMPLEMENTED(); |
| } |
| |
| void Cellular::GetGSMProperties() { |
| // TODO(petkov): Implement this. |
| NOTIMPLEMENTED(); |
| } |
| |
| void Cellular::RegisterGSMModem() { |
| // TODO(petkov): Invoke ModemManager.Modem.Gsm.Network.Register. |
| NOTIMPLEMENTED(); |
| } |
| |
| void Cellular::GetModemInfo() { |
| ModemProxyInterface::Info info = proxy_->GetInfo(); |
| manufacturer_ = info._1; |
| model_id_ = info._2; |
| hardware_revision_ = info._3; |
| VLOG(2) << "ModemInfo: " << manufacturer_ << ", " << model_id_ << ", " |
| << hardware_revision_; |
| } |
| |
| void Cellular::GetModemRegistrationState() { |
| switch (type_) { |
| case kTypeGSM: |
| GetGSMRegistrationState(); |
| break; |
| case kTypeCDMA: |
| GetCDMARegistrationState(); |
| break; |
| default: NOTREACHED(); |
| } |
| HandleNewRegistrationState(); |
| } |
| |
| void Cellular::GetCDMARegistrationState() { |
| CHECK_EQ(kTypeCDMA, type_); |
| cdma_proxy_->GetRegistrationState(&cdma_.registration_state_1x, |
| &cdma_.registration_state_evdo); |
| VLOG(2) << "CDMA Registration: 1x(" << cdma_.registration_state_1x |
| << ") EVDO(" << cdma_.registration_state_evdo << ")"; |
| // TODO(petkov): handle_reported_connect? |
| } |
| |
| void Cellular::GetGSMRegistrationState() { |
| // TODO(petkov): Implement this. |
| NOTIMPLEMENTED(); |
| } |
| |
| bool Cellular::IsModemRegistered() { |
| return cdma_.registration_state_1x != |
| MM_MODEM_CDMA_REGISTRATION_STATE_UNKNOWN || |
| cdma_.registration_state_evdo != |
| MM_MODEM_CDMA_REGISTRATION_STATE_UNKNOWN; |
| // TODO(petkov): Handle GSM states. |
| } |
| |
| void Cellular::HandleNewRegistrationState() { |
| dispatcher_->PostTask( |
| task_factory_.NewRunnableMethod( |
| &Cellular::HandleNewRegistrationStateTask)); |
| } |
| |
| void Cellular::HandleNewRegistrationStateTask() { |
| VLOG(2) << __func__; |
| if (!IsModemRegistered()) { |
| service_ = NULL; |
| if (state_ == kStateLinked || |
| state_ == kStateConnected || |
| state_ == kStateRegistered) { |
| SetState(kStateEnabled); |
| } |
| return; |
| } |
| if (state_ == kStateEnabled) { |
| SetState(kStateRegistered); |
| } |
| if (!service_.get()) { |
| // For now, no endpoint is created. Revisit if necessary. |
| CreateService(); |
| } |
| GetModemSignalQuality(); |
| if (state_ == kStateRegistered && modem_state_ == kModemStateConnected) { |
| SetState(kStateConnected); |
| EstablishLink(); |
| } |
| // TODO(petkov): Update the service. |
| } |
| |
| void Cellular::GetModemSignalQuality() { |
| VLOG(2) << __func__; |
| uint32 strength = 0; |
| switch (type_) { |
| case kTypeGSM: |
| strength = GetGSMSignalQuality(); |
| break; |
| case kTypeCDMA: |
| strength = GetCDMASignalQuality(); |
| break; |
| default: NOTREACHED(); |
| } |
| HandleNewSignalQuality(strength); |
| } |
| |
| uint32 Cellular::GetCDMASignalQuality() { |
| VLOG(2) << __func__; |
| CHECK_EQ(kTypeCDMA, type_); |
| // TODO(petkov): Switch to asynchronous calls (crosbug.com/17583). |
| return cdma_proxy_->GetSignalQuality(); |
| } |
| |
| uint32 Cellular::GetGSMSignalQuality() { |
| // TODO(petkov): Implement this. |
| NOTIMPLEMENTED(); |
| return 0; |
| } |
| |
| void Cellular::HandleNewSignalQuality(uint32 strength) { |
| VLOG(2) << "Signal strength: " << strength; |
| if (service_.get()) { |
| service_->set_strength(strength); |
| } |
| } |
| |
| void Cellular::CreateService() { |
| VLOG(2) << __func__; |
| CHECK(!service_.get()); |
| service_ = |
| new CellularService(control_interface_, dispatcher_, manager_, this); |
| // TODO(petkov): Set activation_state. |
| // TODO(petkov): Set operator. |
| // TODO(petkov): Set old_url/usage_url. |
| } |
| |
| bool Cellular::TechnologyIs(const Device::Technology type) const { |
| return type == Device::kCellular; |
| } |
| |
| void Cellular::Connect() { |
| VLOG(2) << __func__; |
| if (state_ == kStateConnected || |
| state_ == kStateLinked) { |
| return; |
| } |
| CHECK_EQ(kStateRegistered, state_); |
| DBusPropertiesMap properties; |
| const char *phone_number = NULL; |
| switch (type_) { |
| case kTypeGSM: |
| phone_number = kPhoneNumberGSM; |
| break; |
| case kTypeCDMA: |
| phone_number = kPhoneNumberCDMA; |
| break; |
| default: NOTREACHED(); |
| } |
| properties[kConnectPropertyPhoneNumber].writer().append_string(phone_number); |
| // TODO(petkov): Setup apn and "home_only". |
| |
| // Defer connect because we may be in a dbus-c++ callback. |
| dispatcher_->PostTask( |
| task_factory_.NewRunnableMethod(&Cellular::ConnectTask, properties)); |
| } |
| |
| void Cellular::ConnectTask(const DBusPropertiesMap &properties) { |
| VLOG(2) << __func__; |
| // TODO(petkov): Switch to asynchronous calls (crosbug.com/17583). |
| simple_proxy_->Connect(properties); |
| SetState(kStateConnected); |
| EstablishLink(); |
| } |
| |
| void Cellular::EstablishLink() { |
| VLOG(2) << __func__; |
| CHECK_EQ(kStateConnected, state_); |
| 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. |
| RTNLHandler::GetInstance()->SetInterfaceFlags( |
| interface_index_, IFF_UP, IFF_UP); |
| } |
| |
| void Cellular::LinkEvent(unsigned int flags, unsigned int change) { |
| Device::LinkEvent(flags, change); |
| if ((flags & IFF_UP) != 0 && state_ == kStateConnected) { |
| LOG(INFO) << link_name_ << " is up."; |
| SetState(kStateLinked); |
| manager_->RegisterService(service_); |
| // TODO(petkov): For GSM, remember the APN. |
| // TODO(petkov): Acquire IP. |
| } else if ((flags & IFF_UP) == 0 && state_ == kStateLinked) { |
| SetState(kStateConnected); |
| manager_->DeregisterService(service_); |
| // TODO(petkov): Release IP. |
| } |
| } |
| |
| void Cellular::OnCDMARegistrationStateChanged(uint32 state_1x, |
| uint32 state_evdo) { |
| CHECK_EQ(kTypeCDMA, type_); |
| cdma_.registration_state_1x = state_1x; |
| cdma_.registration_state_evdo = state_evdo; |
| HandleNewRegistrationState(); |
| } |
| |
| void Cellular::OnCDMASignalQualityChanged(uint32 strength) { |
| CHECK_EQ(kTypeCDMA, type_); |
| HandleNewSignalQuality(strength); |
| } |
| |
| void Cellular::OnModemStateChanged(uint32 old_state, |
| uint32 new_state, |
| uint32 reason) { |
| // TODO(petkov): Implement this. |
| NOTIMPLEMENTED(); |
| } |
| |
| Stringmaps Cellular::EnumerateNetworks() { |
| Stringmaps to_return; |
| for (vector<Network>::const_iterator it = found_networks_.begin(); |
| it != found_networks_.end(); |
| ++it) { |
| to_return.push_back(it->ToDict()); |
| } |
| return to_return; |
| } |
| |
| StrIntPair Cellular::SimLockStatusToProperty() { |
| return StrIntPair(make_pair(flimflam::kSIMLockTypeProperty, |
| sim_lock_status_.lock_type), |
| make_pair(flimflam::kSIMLockRetriesLeftProperty, |
| sim_lock_status_.retries_left)); |
| } |
| |
| void Cellular::HelpRegisterDerivedStringmaps( |
| const string &name, |
| Stringmaps(Cellular::*get)(void), |
| bool(Cellular::*set)(const Stringmaps&)) { |
| store_.RegisterDerivedStringmaps( |
| name, |
| StringmapsAccessor( |
| new CustomAccessor<Cellular, Stringmaps>(this, get, set))); |
| } |
| |
| void Cellular::HelpRegisterDerivedStrIntPair( |
| const string &name, |
| StrIntPair(Cellular::*get)(void), |
| bool(Cellular::*set)(const StrIntPair&)) { |
| store_.RegisterDerivedStrIntPair( |
| name, |
| StrIntPairAccessor( |
| new CustomAccessor<Cellular, StrIntPair>(this, get, set))); |
| } |
| |
| } // namespace shill |