def _read_message(self, socket):
""" Exceptions: IOError """
try:
size_as_raw_string = utils.recv_size(socket, 4, self._ev_stop_getter)
if self._stop:
return None
if size_as_raw_string == '':
return None
size_as_uint = long(struct.unpack('I', size_as_raw_string)[0])
message_as_raw_string = utils.recv_size(socket, size_as_uint, self._ev_stop_getter)
if self._stop:
return None
if message_as_raw_string == '':
return None
result = CommandMessage()
result.ParseFromString(message_as_raw_string)
return result
except ValueError, e:
raise utils.wrap_exc(IOError, "can't parse a length of a packet", e)
size_as_uint = long(struct.unpack('I', size_as_raw_string)[0])
message_as_raw_string = utils.recv_size(socket, size_as_uint, self._ev_stop_getter)
if self._stop:
return None
if message_as_raw_string == '':
return None
result = CommandMessage()
result.ParseFromString(message_as_raw_string)
return result
except ValueError, e:
raise utils.wrap_exc(IOError, "can't parse a length of a packet", e)
except DecodeError, e:
raise utils.wrap_exc(IOError, "can't parse protobuf message", e)
except origin_socket.error, e:
raise utils.wrap_exc(IOError, "socket reading error", e)
def _send_message(self, message, sock):
message_as_string = message.SerializeToString()
header = struct.pack('I', len(message_as_string))
assert len(header) == 4
try:
sock.sendall(header)
sock.sendall(message_as_string)
except origin_socket.error:
print traceback.format_exc()
#noinspection PyUnresolvedReferences
def _create_message(self, solver_result):
