def sendpbcommand(self, request, responseclass):
self.setmode(self.MODEBREW)
buffer = prototypes.buffer()
request.writetobuffer(buffer,
logtitle="audiovox cdm8900 phonebook request")
data = buffer.getvalue()
data = common.pppescape(data +
common.crcs(data)) + common.pppterminator
first = data[0]
try:
data = self.comm.writethenreaduntil(data,
False,
common.pppterminator,
logreaduntilsuccess=False)
except com_phone.modeignoreerrortypes:
self.mode = self.MODENONE
self.raisecommsdnaexception("manipulating the phonebook")
self.comm.success = True
origdata = data
# sometimes there is junk at the begining, eg if the user
# turned off the phone and back on again. So if there is more
# than one 7e in the escaped data we should start after the
# second to last one
d = data.rfind(common.pppterminator, 0, -1)
if d >= 0:
self.log(
"Multiple PB packets in data - taking last one starting at " +
` d + 1 `)
self.logdata("Original pb data", origdata, None)
data = data[d + 1:]
# turn it back to normal
data = common.pppunescape(data)
# sometimes there is other crap at the begining
d = data.find(first)
if d > 0:
self.log("Junk at begining of pb packet, data at " + ` d `)
self.logdata("Original pb data", origdata, None)
self.logdata("Working on pb data", data, None)
data = data[d:]
# take off crc and terminator
crc = data[-3:-1]
data = data[:-3]
if common.crcs(data) != crc:
self.logdata("Original pb data", origdata, None)
self.logdata("Working on pb data", data, None)
raise common.CommsDataCorruption(
"Audiovox phonebook packet failed CRC check", self.desc)
# parse data
buffer = prototypes.buffer(data)
res = responseclass()
res.readfrombuffer(buffer, logtitle="Audiovox phonebook response")
return res
def sendpbcommand(self, request, responseclass, callsetmode=True, writemode=False, numsendretry=0, returnerror=False):
if writemode:
numretry=3
else:
numretry=0
if callsetmode:
self.setmode(self.MODEPHONEBOOK)
buffer=prototypes.buffer()
request.writetobuffer(buffer, logtitle="Samsung phonebook request")
data=buffer.getvalue()
firsttwo=data[:2]
data=common.pppescape(data+common.crcs(data))+common.pppterminator
isendretry=numsendretry
while isendretry>=0:
try:
rdata=self.comm.writethenreaduntil(data, False, common.pppterminator, logreaduntilsuccess=False, numfailures=numretry)
break
except com_phone.modeignoreerrortypes:
if isendretry>0:
self.log("Resending request packet...")
time.sleep(0.3)
else:
self.comm.success=False
self.mode=self.MODENONE
self.raisecommsdnaexception("manipulating the phonebook")
isendretry-=1
self.comm.success=True
origdata=rdata
# sometimes there is junk at the beginning, eg if the user
# turned off the phone and back on again. So if there is more
# than one 7e in the escaped data we should start after the
# second to last one
d=rdata.rfind(common.pppterminator,0,-1)
if d>=0:
self.log("Multiple Samsung packets in data - taking last one starting at "+`d+1`)
self.logdata("Original Samsung data", origdata, None)
rdata=rdata[d+1:]
# turn it back to normal
data=common.pppunescape(rdata)
# Sometimes there is other crap at the beginning. But it might
# be a Sanyo error byte. So strip off bytes from the beginning
# until the crc agrees, or we get to the first two bytes of the
# request packet.
d=data.find(firsttwo)
crc=data[-3:-1]
crcok=False
for i in range(0,d+1):
trydata=data[i:-3]
if common.crcs(trydata)==crc:
crcok=True
break
if not crcok:
self.logdata("first two",firsttwo, None)
self.logdata("Original Sanyo data", origdata, None)
self.logdata("Working on Sanyo data", data, None)
raise common.CommsDataCorruption("Sanyo packet failed CRC check", self.desc)
res=responseclass()
if d>0:
if d==i:
self.log("Junk at beginning of Sanyo packet, data at "+`d`)
self.logdata("Original Sanyo data", origdata, None)
self.logdata("Working on Sanyo data", data, None)
else:
if returnerror:
res=self.protocolclass.sanyoerror()
else:
self.log("Sanyo Error code "+`ord(data[0])`)
self.logdata("sanyo phonebook response", data, None)
raise SanyoCommandException(ord(data[0]))
data=trydata
# parse data
buffer=prototypes.buffer(data)
res.readfrombuffer(buffer, logtitle="sanyo phonebook response")
return res