| # Copyright (c) 2013 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. |
| |
| import logging |
| |
| import mm1 |
| import register_machine |
| |
| class RegisterCdmaMachine(register_machine.RegisterMachine): |
| """ |
| RegisterCdmaMachine handles the CDMA specific state transitions involved in |
| bringing the modem to the REGISTERED state. |
| |
| """ |
| def Cancel(self): |
| """ |
| Cancel the current machine. |
| |
| Overwritten from parent class. |
| """ |
| logging.info('RegisterCdmaMachine: Canceling register.') |
| super(RegisterCdmaMachine, self).Cancel() |
| state = self._modem.Get(mm1.I_MODEM, 'State') |
| reason = mm1.MM_MODEM_STATE_CHANGE_REASON_USER_REQUESTED |
| if state == mm1.MM_MODEM_STATE_SEARCHING: |
| logging.info('RegisterCdmaMachine: Setting state to ENABLED.') |
| self._modem.ChangeState(mm1.MM_MODEM_STATE_ENABLED, reason) |
| self._modem.SetRegistrationState( |
| mm1.MM_MODEM_CDMA_REGISTRATION_STATE_UNKNOWN) |
| self._modem.register_step = None |
| if self._raise_cb: |
| self._raise_cb( |
| mm1.MMCoreError(mm1.MMCoreError.CANCELLED, 'Cancelled')) |
| |
| def _GetModemStateFunctionMap(self): |
| return { |
| mm1.MM_MODEM_STATE_ENABLED: RegisterCdmaMachine._HandleEnabledState, |
| mm1.MM_MODEM_STATE_SEARCHING: |
| RegisterCdmaMachine._HandleSearchingState |
| } |
| |
| def _HandleEnabledState(self): |
| logging.info('RegisterCdmaMachine: Modem is ENABLED.') |
| logging.info('RegisterCdmaMachine: Setting state to SEARCHING.') |
| self._modem.ChangeState( |
| mm1.MM_MODEM_STATE_SEARCHING, |
| mm1.MM_MODEM_STATE_CHANGE_REASON_USER_REQUESTED) |
| return True |
| |
| def _HandleSearchingState(self): |
| logging.info('RegisterCdmaMachine: Modem is SEARCHING.') |
| network = self._modem.GetHomeNetwork() |
| if not network: |
| logging.info('RegisterCdmaMachine: No network available.') |
| logging.info('RegisterCdmaMachine: Setting state to ENABLED.') |
| self._modem.ChangeState(mm1.MM_MODEM_STATE_ENABLED, |
| mm1.MM_MODEM_STATE_CHANGE_REASON_UNKNOWN) |
| if self._raise_cb: |
| self._raise_cb(mm1.MMMobileEquipmentError( |
| mm1.MMMobileEquipmentError.NO_NETWORK, |
| 'No networks were found to register.')) |
| else: |
| logging.info( |
| 'RegisterCdmaMachine: Registering to network: ' + str(network)) |
| logging.info('RegisterCdmaMachine: Setting state to REGISTERED.') |
| self._modem.ChangeState( |
| mm1.MM_MODEM_STATE_REGISTERED, |
| mm1.MM_MODEM_STATE_CHANGE_REASON_USER_REQUESTED) |
| self._modem.SetRegistered(network) |
| self._modem.register_step = None |
| if self._return_cb: |
| self._return_cb() |
| return False |
