/usr/lib/python2.7/dist-packages/framework/subsystems/ogsmd/modems/ti_calypso/unsolicited.py is in fso-frameworkd 0.10.1-3.
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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
"""
__version__ = "0.8.5"
from .channel import createDspCommand
from framework.config import config
from ogsmd.modems import currentModem
from ogsmd.modems.abstract.unsolicited import AbstractUnsolicitedResponseDelegate
from ogsmd.gsm import const
from ogsmd.helpers import safesplit
import gobject
import time
import logging
logger = logging.getLogger( "ogsmd" )
#=========================================================================#
class UnsolicitedResponseDelegate( AbstractUnsolicitedResponseDelegate ):
#=========================================================================#
def __init__( self, *args, **kwargs ):
AbstractUnsolicitedResponseDelegate.__init__( self, *args, **kwargs )
self._callHandler.unsetHook() # we have special call handling that doesn't need stock hooks
self.fullReadyness = "unknown"
self.subsystemReadyness = { "PHB": False, "SMS": False }
self.checkForRecamping = ( config.getValue( "ogsmd", "ti_calypso_deep_sleep", "adaptive" ) == "adaptive" )
if self.checkForRecamping:
# initialize deep sleep vars
self.lastStatus = "busy"
self.lastTime = 0
self.firstReregister = 0
self.lastReregister = 0
self.reregisterIntervals = []
self.recampingTimeout = None
def _checkRecampingBug( self ):
logger.debug( "checking for TI Calypso recamping bug..." )
logger.debug( "reregistering %d times within %d seconds. unreg/reg-Intervals are: %s" % ( len(self.reregisterIntervals), self.lastReregister-self.firstReregister, [ "%.2f" % interval for interval in self.reregisterIntervals ] ) )
reregisterCounter = 0
for reregisterInterval in self.reregisterIntervals:
if reregisterInterval < 3.5: # only an immediate unregister followed by register counts as a reregister
reregisterCounter += 1
probeMinutes = ( self.lastReregister - self.firstReregister ) / 60.0
recampingFactor = reregisterCounter / probeMinutes
logger.debug( "reregistering factor: %.2f recampings/minute" % recampingFactor )
# heuristics now
if reregisterCounter > 5 and recampingFactor > 0.3:
self._detectedRecampingBug()
return False
def _detectedRecampingBug( self ):
logger.info( "This TI Calypso device suffers from the recamping bug. Turning off sleep mode to recover." )
# recover from recamping bug...
self._object.modem.channel( "MISC" ).enqueue( "%SLEEP=2" )
# ...but launch trigger to give it another chance (it's also depending on BTS)
if not self.recampingTimeout is None:
# If recamping happens while there's still a timeout set warn the user and extend the timeout
logger.warning( "Recamping bug occured, but TI Calypso is still out of deep sleep mode." )
gobject.source_remove( self.recampingTimeout )
self.recampingTimeout = gobject.timeout_add_seconds( 60*60, self._reactivateDeepSleep )
def _reactivateDeepSleep( self ):
logger.info( "Reenabling deep sleep mode on TI Calypso (giving it another chance)" )
self.lastStatus = "busy"
self.lastTime = 0
self.firstReregister = 0
self.lastReregister = 0
self.reregisterIntervals = []
self._object.modem.channel( "MISC" ).enqueue( "%SLEEP=4" )
# We don't want to be called again
self.recampingTimeout = None
return False
# Overridden from AbstractUnsolicitedResponseDelegate to check for the
# TI Calypso Deep Sleep Recamping bug: http://docs.openmoko.org/trac/ticket/1024
def plusCREG( self, righthandside ):
# call base implementation
AbstractUnsolicitedResponseDelegate.plusCREG( self, righthandside )
# do we care for recamping?
if not self.checkForRecamping:
return
# check for recamping
values = safesplit( righthandside, ',' )
register = const.REGISTER_STATUS[int(values[0])]
if self.lastStatus == "unregistered":
if self.register in "home roaming".split():
self.reregisterIntervals.append( time.time() - self.lastTime )
if len( self.reregisterIntervals ) == 1:
self.firstReregister = time.time()
gobject.idle_add( self._checkRecampingBug )
self.lastReregister = time.time()
self.lastStatus = register
self.lastTime = time.time()
# +CRING is only honored, if we didn't receive %CPI
def plusCRING( self, calltype ):
status = self._callHandler.status()
if "incoming" in status:
# looks like %CPI has been received before, ignoring
logger.debug( "+CRING, but call status already ok: ignoring" )
return
else:
logger.warning( "+CRING without previous %CPI: alerting" )
AbstractUnsolicitedResponseDelegate.plusCRING( self, calltype )
# +CLIP is not used on TI Calypso. See %CPI
def plusCLIP( self, righthandside ):
pass
# +CCWA is not used on TI Calypso. See %CPI
def plusCCWA( self, righthandside ):
pass
# +CSSU: 2,,"",128
# 0 Forwarded call
# 1 CUG (plus index)
# 2 remotely put on hold
# 3 remote hold released
# 4 Multiparty call entered
# 5 Call on hold has been released
# 6 -
# 7,8 ?
def plusCSSU( self, righthandside ):
code, index, number, type = safesplit( righthandside, "," )
info = {}
if code == "0":
info["forwarded"] = True
elif code == "1":
info["cug"] = True
elif code == "2":
info["remotehold"] = True
elif code == "3":
info["remotehold"] = False
else:
logger.info( "unhandled +CSSU code '%s'" % code )
if info:
# This is not failsafe since we don't know the call ID
if code in "23":
self._callHandler.statusChangeFromNetworkByStatus( "active", info )
else:
self._callHandler.statusChangeFromNetworkByStatus( "incoming", info )
#
# TI Calypso proprietary
#
# %CCCN: 0,0,A10E02010402011030068101428F0101
# FIXME: need decoder for this
# reponses to conference AT+CHLD=3 with one call held and one active:
# failed (with e-plus)
# %CCCN: 1,1,A10602010002017C
# ^ fail ?
# +CMS ERROR: 320 HEX data packet: 7e 0d ef 0d 0a 2b 43...
# ^ channel 3(MISC)? TI firmware bug?
# %CCCN: 0,1,A306020100020112
#
#
# succeded (with D2)
# %CCCN: 1,1,A10602010102017C
# ^ ok ?
# %CCCN: 0,1,A203020101
#
#
# call to homezone number while in homezone
# this is sent while the call is incoming
# %CCCN: 0,0,A10E0201000201103006810120850101
# calling a alice sim
# %CCCN: 0,0,A10E0201000201103006810128840107
#
def percentCCCN( self, righthandside ):
direction, callId, ie = safesplit( righthandside, "," )
# this is ASN.1 BER, but we don't want a full decoder here
info = {}
if ie[0:8]+ie[10:30] == "A10E020102011030068101428F01":
info["held"] = bool( int( ie[30:32], 16 ) )
if info:
self._callHandler.statusChangeFromNetwork( int(callId)+1, info )
# %CPI: 1,0,0,0,1,0,"+491772616464",145,,,0
def percentCPI( self, righthandside ):
"""
Call Progress Indication:
callId = call number in internal call table (same as call number in CCLD)
msgType = 0:setup, 1:disconnect, 2:alert, 3:call proceed, 4:sync, 5:progress, 6:connected, 7:release, 8:reject (from network), 9:request (MO Setup), 10: hold
ibt = 1, if in-band-tones enabled
tch = 1, if traffic channel assigned
direction = 0:MO, 1:MT, 2:CCBS, 3:MO-autoredial
mode = 0:voice, 1:data, 2:fax, ..., 9 [see gsm spec bearer type]
number = "number" [gsm spec]
ntype = number type [gsm spec]
alpha = "name", if number found in SIM phonebook [gsm spec]
cause = GSM Network Cause [see gsm spec, section 04.08 annex H]
line = 0, if line 1. 1, if line2.
Typical chunks during a call:
... case A: incoming (MT) ...
%CPI: 1,0,0,0,1,0,"+496912345678",145,,,0 ( setup call, MT, line one, no traffic channel yet )
+CRING: VOICE
%CPI: 1,0,0,1,1,0,"+496912345678",145,,,0 ( setup call, MT, line one, traffic channel assigned )
%CPI: 1,4,0,1,1,0,"+496912345678",145,,,0 ( sync call, MT, line one, traffic channel assigned )
%CPI: 1,0,0,1,1,0,"+496912345678",145,,,0 ( setup call, MT, line one, traffic channel assigned )
+CRING: VOICE
%CPI: 1,4,0,1,1,0,"+496912345678",145,,,0 ( sync call, MT, line one, traffic channel assigned )
+CRING: VOICE
... case A.1: remote line hangs up ...
%CPI: 1,1,0,1,1,0,"+496912345678",145,,,0 ( disconnect call, MT line one, traffic channel assigned )
%CPI: 1,7,0,0,,,,,,,0 (release from network, traffic channel freed)
(NO CARRIER, if call was connected, i.e. local accepted)
... case A.2: local accept (ATA) ...
%CPI: 1,6,0,1,1,0,"+496912345678",145,,,0 ( connected call, MT, line one, traffic channel assigned )
=> from here see case A.1 or A.3
... case A.3: local reject (ATH) ...
%CPI: 1,1,0,1,1,0,"+496912345678",145,,,0 ( disconnect call, MT line one, traffic channel assigned )
%CPI: 1,7,0,0,,,,,,,0 (release from network, traffic channel freed)
... case B: outgoing (MO) ...
%CPI: 1,9,0,0,0,0,"+496912345678",145,,,0 ( request call, MO, line one, no traffic channel yet )
%CPI: 1,3,0,0,0,0,"+496912345678",145,,,0 ( call call, MO, line one, no traffic channel yet )
%CPI: 1,4,0,1,0,0,"+496912345678",145,,,0 ( sync call, MO, line one, traffic channel assigned )
%CPI: 1,2,1,1,0,0,"+496912345678",145,,,0 ( alert call, MO, line one, traffic channel assigned )
(at this point, it is ringing on the other side)
... case B.1: remote line rejects or sends busy...
%CPI: 1,6,0,1,0,0,"+496912345678",145,,,0 ( connect call, MO, line one, traffic channel assigned )
(at this point, ATD returns w/ OK)
%CPI: 1,1,0,1,0,0,"+496912345678",145,,17,0 ( disconnect call, MO, line one, traffic channel assigned )
(at this point, BUSY(17) or NO CARRIER(16) is sent)
%CPI: 1,7,0,0,,,,,,,0 (release from network, traffic channel freed)
... case B.2: remote line accepts...
%CPI: 1,6,0,1,0,0,"+496912345678",145,,,0 ( connect call, MO, line one, traffic channel assigned )
(at this point, ATD returns w/ OK)
... case B.3: local cancel ...
?
... case C.1: first call active, second incoming and accepted (puts first on hold)
%CPI: 1,10,0,1,0,0,"+496912345678",145,,,0
%CPI: 2,6,0,1,1,0,"+496912345679",129,,,0
"""
callId, msgType, ibt, tch, direction, mode, number, ntype, alpha, cause, line = safesplit( righthandside, "," )
if msgType == "10":
msgType ="A" # stupid hack to have single char types
#devchannel = self._object.modem.communicationChannel( "DeviceMediator" )
#devchannel.enqueue( "+CPAS;+CEER" )
info = {}
# Report number, reason, and line, if available
if number and ntype:
info["peer"] = const.phonebookTupleToNumber( number[1:-1], int(ntype) )
if cause:
info["reason"] = const.ISUP_RELEASE_CAUSE.get( int(cause), "unknown cause" )
if line:
info["line"] = int( line )
# Always report the direction
if direction == "0":
info.update ( { "direction": "outgoing" } )
elif direction == "1":
info.update ( { "direction": "incoming" } )
# Report mode
if mode:
info["mode"] = const.CALL_MODE.revlookup( int(mode) )
# Compute status
if msgType == "0": # setup (MT)
info.update ( { "status": "incoming" } )
elif msgType == "6": # connected (MO & MT)
info.update( { "status": "active" } )
elif msgType == "1": # disconnected (MO & MT)
# FIXME try to gather reason for disconnect?
info.update( { "status": "release" } )
elif msgType == "8": # network reject (MO)
info.update( { "status": "release", "reason": "no service" } )
elif msgType == "9": # request (MO)
info.update( { "status": "outgoing" } )
elif msgType == "3": # Sometimes setup is not sent?!
info.update( { "status": info["direction"] } )
elif msgType == "A": # hold
info.update( { "status": "held" } )
if msgType in "013689A":
self._callHandler.statusChangeFromNetwork( int(callId), info )
# DSP bandaid
if msgType in "34":
currentModem().channel( "MiscMediator" ).enqueue( createDspCommand() )
# %CPRI: 1,2
def percentCPRI( self, righthandside ):
gsm, gprs = safesplit( righthandside, ',' )
cipher_gsm = const.NETWORK_CIPHER_STATUS.get( int(gsm), "unknown" )
cipher_gprs = const.NETWORK_CIPHER_STATUS.get( int(gprs), "unknown" )
self._object.CipherStatus( cipher_gsm, cipher_gprs )
# %CSSN: 1,0,A11502010802013B300D04010F0408AA510C0683C16423
def percentCSSN( self, righthandside ):
direction, transPart, ie = safesplit( righthandside, "," )
# %CSTAT: PHB,0
# %CSTAT: SMS,0
# %CSTAT: RDY,1
# %CSTAT: EONS,1
def percentCSTAT( self, righthandside ):
"""
TI Calypso subsystem status report
PHB is phonebook, SMS is messagebook. RDY is supposed to be sent, after
PHB and SMS both being 1, however it's not sent on all devices.
EONS is completely undocumented.
Due to RDY being unreliable, we wait for PHB and SMS sending availability
and then synthesize a global SimReady signal.
"""
subsystem, available = safesplit( righthandside, "," )
if not bool(int(available)): # not ready
if subsystem in ( "PHB", "SMS" ):
self.subsystemReadyness[subsystem] = False
logger.info( "subsystem %s readyness now %s" % ( subsystem, self.subsystemReadyness[subsystem] ) )
if not self.fullReadyness == False:
self._object.ReadyStatus( False )
self.fullReadyness = False
else: # ready
if subsystem in ( "PHB", "SMS" ):
self.subsystemReadyness[subsystem] = True
logger.info( "subsystem %s readyness now %s" % ( subsystem, self.subsystemReadyness[subsystem] ) )
newFullReadyness = self.subsystemReadyness["PHB"] and self.subsystemReadyness["SMS"]
if newFullReadyness and ( not self.fullReadyness == True ):
self._object.ReadyStatus( True )
self.fullReadyness = True
logger.info( "full readyness now %s" % self.fullReadyness )
# %CSQ: 17, 0, 1
def percentCSQ( self, righthandside ):
"""
signal strength report
"""
strength, snr, quality = safesplit( righthandside, "," )
self._object.SignalStrength( const.signalQualityToPercentage( int(strength) ) ) # send dbus signal
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