def task_read_polling(self, task):
if self.reader.dataAvailable():
logging.debug('data available from server')
datagram = Datagram()
if self.reader.getData(datagram):
logging.debug('received data from server: %s', datagram)
logging.debug('received data from server: %s', datagram.getMessage())
# TODO: provide a way to supply a data callback
self._data_last_received = 0
else:
# no data received
logging.debug('no data')
self._data_last_received += self.get_dt()
if self._data_last_received >= 10:
logging.error('connection to server lost')
return
return task.cont
def process_modules(self):
# TODO: Compression
dg = Datagram()
dg.addUint32(len(self.modules))
for moduleName in self.modules:
data, size = self.modules[moduleName]
dg.addString(moduleName)
dg.addInt32(size)
dg.appendData(data)
data = dg.getMessage()
iv = self.generate_key(16)
key = self.generate_key(16)
fixed_key = ''.join(
chr((i ^ (7 * i + 16)) % ((i + 5) * 3)) for i in xrange(16))
fixed_iv = ''.join(
chr((i ^ (2 * i + 53)) % ((i + 9) * 6)) for i in xrange(16))
securekeyandiv = aes.encrypt(iv + key, fixed_key, fixed_iv)
return securekeyandiv + aes.encrypt(data, key, iv)
def task_read_polling(self, task):
if self.reader.dataAvailable():
logging.debug('data available from server')
datagram = Datagram()
if self.reader.getData(datagram):
logging.debug('received data from server: %s', datagram)
logging.debug('received data from server: %s',
datagram.getMessage())
# TODO: provide a way to supply a data callback
self._data_last_received = 0
else:
# no data received
logging.debug('no data')
self._data_last_received += self.get_dt()
if self._data_last_received >= 10:
logging.error('connection to server lost')
return
return task.cont
def write(self, f):
dg = Datagram()
dg.appendData(self.HEADER)
if self.version >= (6, 27):
header_size = 6
elif self.version >= (5, 0):
header_size = 5
else:
header_size = 4
bam_major_ver, bam_minor_ver = self.version
dg.add_uint32(header_size)
dg.add_uint16(bam_major_ver)
dg.add_uint16(bam_minor_ver)
if header_size >= 5:
dg.add_uint8(self.file_endian)
if header_size >= 6:
dg.add_bool(self.stdfloat_double)
self.written_handles = []
self.write_long_pointers = False
if self.objects:
objects = list(self.objects.values())
self.write_object(dg, BamGlobals.BOC_push, objects[0], self.written_handles)
for obj in objects[1:]:
self.write_object(dg, BamGlobals.BOC_adjunct, obj, self.written_handles)
for data in self.file_datas:
self.write_file_data(dg, data)
if self.version >= (6, 21):
self.write_object(dg, BamGlobals.BOC_pop)
f.write(dg.getMessage())
def write(self, f, target_version):
dg = Datagram()
dg.appendData(self.HEADER)
if target_version >= (6, 27):
header_size = 6
elif target_version >= (5, 0):
header_size = 5
else:
header_size = 4
bam_major_ver, bam_minor_ver = target_version
dg.add_uint32(header_size)
dg.add_uint16(bam_major_ver)
dg.add_uint16(bam_minor_ver)
if header_size >= 5:
dg.add_uint8(self.file_endian)
if header_size >= 6:
dg.add_bool(self.stdfloat_double)
written_handles = []
if self.objects:
self.write_object(dg, BOC_push, self.objects[0], written_handles)
for obj in self.objects[1:]:
self.write_object(dg, BOC_adjunct, obj, written_handles)
for data in self.file_datas:
self.write_file_data(dg, data)
if self.version >= (6, 21):
self.write_object(dg, BOC_pop)
f.write(dg.getMessage())