/usr/lib/python2.7/dist-packages/framework/subsystems/ogsmd/modems/abstract/modem.py is in fso-frameworkd 0.10.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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"""
The Open GSM Daemon - Python Implementation
(C) 2008 Michael 'Mickey' Lauer <mlauer@vanille-media.de>
(C) 2008 Openmoko, Inc.
GPLv2 or later
Package: ogsmd.modems.abstract
Module: modem
"""
# FIXME: The modem should really be a sigleton
__version__ = "0.9.9.5"
MODULE_NAME = "ogsmd.modem.abstract"
from framework.config import config
import gobject
import sys, types
import logging
logger = logging.getLogger( MODULE_NAME )
FALLBACK_TIMEOUT = 30
#=========================================================================#
class AbstractModem( object ):
#=========================================================================#
"""This class abstracts a GSM Modem."""
instance = None
def __init__( self, dbus_object, bus, *args, **kwargs ):
"""
Initialize
"""
assert self.__class__.__name__ != "AbstractModem", "can't instanciate pure virtual class"
# FIXME make sure only one modem exists
AbstractModem.instance = self
self._channels = {} # container for channel instances
self._object = dbus_object # dbus object
self._bus = bus # dbus bus
self._simPinState = "unknown" # SIM PIN state
self._simReady = "unknown" # SIM data access state
self._data = {} # misc modem-wide data, set/get from channels
self._phonebookIndices = {} # min. index, max. index
self._phonebookSizes = {} # number length, name length
self._data["sim-buffers-sms"] = True
self._data["sms-buffered-cb"] = "2,1,2,1,1"
self._data["sms-buffered-nocb"] = "2,1,0,0,0"
# FIXME: Might be bad as default, since not all modems necessarily support that
self._data["sms-direct-cb"] = "2,2,2,1,1" # what about a,3,c,d,e?
self._data["sms-direct-nocb"] = "2,2,0,0,0" # dito
self._data["pppd-configuration"] = [ \
'115200',
'nodetach',
'crtscts',
'defaultroute',
'debug',
'hide-password',
'holdoff', '3',
'ipcp-accept-local',
'ktune',
#'lcp-echo-failure', '10',
#'lcp-echo-interval', '20',
'ipcp-max-configure', '4',
'lock',
'noauth',
#'demand',
'noipdefault',
'novj',
'novjccomp',
#'persist',
'proxyarp',
'replacedefaultroute',
'usepeerdns',
]
self._data["pppd-does-setup-and-teardown"] = True # default is using connect and disconnect scripts
self._charsets = { \
"DEFAULT": "gsm_default",
"PHONEBOOK": "gsm_ucs2",
"USSD": "gsm_ucs2",
}
self._data["cancel-outgoing-call"] = "H" # default will kill all connections
self._data["data-call-handler"] = config.getValue( "ogsmd", "data_call_handler", None )
def open( self, on_ok, on_error ):
"""
Triggers opening the channels on this modem.
The actual opening will happen from inside mainloop.
"""
self._counter = len( self._channels )
if ( self._counter ):
gobject.idle_add( self._initChannels, on_ok, on_error )
def close( self ): # SYNC
"""
Closes the communication channels.
"""
# FIXME: A really good way would be to stop accepting new commands,
# giving it time to drain the queues, and then closing all channels.
for channel in self._channels.values():
# FIXME: We're throwing away the result here :/
channel.close()
def reinit( self ):
"""
Closes and reopens the communication channels, also triggering
resending the initialization commands on every channel.
"""
self.close()
for channel in self._channels.values():
channel._sendCommands( "init" ) # just enqueues them for later
# FIXME no error handling yet
self.open( lambda: None, lambda foo: None )
def data( self, key, defaultValue=None ):
return self._data.get( key, defaultValue )
def setData( self, key, value ):
self._data[key] = value
def numberToPhonebookTuple( self, nstring ):
"""
Returns a phonebook tuple.
"""
if type( nstring ) != types.StringType():
# even though we set +CSCS="UCS2" (modem charset), the name is always encoded in text format, not PDU.
nstring = nstring.encode( "iso-8859-1" )
if nstring[0] == '+':
return nstring[1:], 145
else:
return nstring, 129
def channel( self, category ):
"""
Returns the communication channel for certain command category.
"""
sys.exit( -1 ) # pure virtual method called
def channels( self ):
"""
Returns the names of the communication channels.
"""
return self._channels.keys()
def inject( self, channel, string ):
"""
Injects a string to a channel.
"""
self._channels[channel].readyToRead( string )
def simPinState( self ):
"""
Returns the SIM PIN state
"""
return self._simPinState
def simReady( self ):
"""
Returns the SIM availability state.
"""
return self._simReady
def stateAntennaOn( self ):
"""
Notify channels that the antenna is now powered on.
"""
for channel in self._channels.itervalues():
channel.modemStateAntennaOn()
def setSimPinState( self, state ):
"""
Set and notify channels about a new SIM PIN state.
"""
self._simPinState = state
if state == "READY":
for channel in self._channels.itervalues():
channel.modemStateSimUnlocked()
def setSimReady( self, ready ):
"""
Set and notify channels about a SIM data accessibility.
"""
self._simReady = ready
if ready == True:
for channel in self._channels.itervalues():
channel.modemStateSimReady()
def setPhonebookIndices( self, category, first, last ):
"""
Set phonebook valid indices interval for a given phonebook
"""
self._phonebookIndices[category] = first, last
def phonebookIndices( self, category ):
try:
first, last = self._phonebookIndices[category]
except KeyError:
return None, None
else:
return first, last
def setPhonebookSizes( self, category, numlength, textlength ):
"""
Set phonebook names and number sizes for a given phonebook
"""
self._phonebookSizes[category] = numlength, textlength
def phonebookSizes( self, category ):
try:
numlength, textlength = self._phonebookSizes[category]
except KeyError:
return None, None
else:
return numlength, textlength
def prepareForSuspend( self, ok_callback, error_callback ):
"""
Prepares the modem for suspend.
"""
# FIXME can we refactor this into a generic useful callback/object adapter class?
class MyOk(object):
def __init__( self, *args, **kwargs ):
assert args == (), "only keyword arguments allowed"
for key, value in kwargs.iteritems():
if key.startswith( "CL_" ):
setattr( self.__class__, key[3:], value )
else:
setattr( self, key, value )
def __call__( self, channel ):
logger.debug( "prepareForSuspend ACK from channel %s received" % channel )
self.__class__.counter -= 1
if self.__class__.counter == 0:
self.ok()
class MyError(MyOk):
def __call__( self, channel ):
logger.debug( "prepareForSuspend NACK from channel %s received" % channel )
self.__class__.counter -= 1
if self.__class__.counter == 0:
self.error()
ok = MyOk( CL_counter = len( self._channels ), ok = ok_callback )
error = MyError( error = error_callback )
for channel in self._channels.values():
channel.suspend( ok, error )
def recoverFromSuspend( self, ok_callback, error_callback ):
"""
Recovers the modem from suspend.
"""
# FIXME can we refactor this into a generic useful callback/object adapter class?
class MyOk(object):
def __init__( self, *args, **kwargs ):
assert args == (), "only keyword arguments allowed"
for key, value in kwargs.iteritems():
if key.startswith( "CL_" ):
setattr( self.__class__, key[3:], value )
else:
setattr( self, key, value )
def __call__( self, channel ):
logger.debug( "recoverFromSuspend ACK from channel %s received" % channel )
self.__class__.counter -= 1
if self.__class__.counter == 0:
self.ok()
class MyError(MyOk):
def __call__( self, channel ):
logger.debug( "recoverFromSuspend NACK from channel %s received" % channel )
self.__class__.counter -= 1
if self.__class__.counter == 0:
self.error()
ok = MyOk( CL_counter = len( self._channels ), ok = ok_callback )
error = MyError( error = error_callback )
for channel in self._channels.values():
channel.resume( ok, error )
#
# internal API
#
def _initChannels( self, on_ok, on_error, iteration=1 ):
if iteration == 7:
# we did try to open the modem 5 times -- giving up now
on_error(None) # FIXME no error handling yet
# try to open all channels
for channel in self._channels:
if not self._channels[channel].isOpen():
logger.debug( "trying to open channel %s" % channel )
if not self._channels[channel].open():
logger.error( "could not open channel %s, retrying in 2 seconds" % channel )
gobject.timeout_add_seconds( 2, self._initChannels, on_ok, on_error, iteration+1 )
else:
self._counter -= 1
if not self._counter:
on_ok()
return False # don't call me again
@classmethod
def communicationChannel( cls, category ):
return cls.instance.channel( category )
#=========================================================================#
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