69   def _NlAttr(self, nla_type, data):  argument
70     datalen = len(data)
74     return NLAttr((nla_len, nla_type)).Pack() + data + padding
94   def _ParseAttributes(self, command, msg, data):  argument
112     while data:
114       nla, data = cstruct.Read(data, NLAttr)
119       nla_data, data = data[:datalen], data[padded_len:]
141   def MaybeDebugCommand(self, command, flags, data):  argument
151     data = self.sock.recv(self.BUFSIZE)
153     return data
163     hdr, data = cstruct.Read(response, NLMsgHdr)
165       error = NLMsgErr(data).error
175   def _SendNlRequest(self, command, data, flags):  argument
177     length = len(NLMsgHdr) + len(data)
180     self.MaybeDebugCommand(command, flags, nlmsg + data)
183     self._Send(nlmsg + data)
188   def _ParseNLMsg(self, data, msgtype):  argument
190     nlmsghdr, data = cstruct.Read(data, NLMsgHdr)
195       return (None, None), data
197     nlmsg, data = cstruct.Read(data, msgtype)
202     attributes = self._ParseAttributes(nlmsghdr.type, nlmsg, data[:attrlen])
203     data = data[attrlen:]
204     return (nlmsg, attributes), data
207     data = self._Recv()
208     if NLMsgHdr(data).type == NLMSG_ERROR:
209       self._ParseAck(data)
210     return self._ParseNLMsg(data, msgtype)[0]
212   def _GetMsgList(self, msgtype, data, expect_done):  argument
214     while data:
215       msg, data = self._ParseNLMsg(data, msgtype)
250       data = self._Recv()
251       response_type = NLMsgHdr(data).type
257         self._ParseAck(data)
258       out.extend(self._GetMsgList(msgtype, data, False))