65   def _Debug(self, s):  argument
66     if self.DEBUG:
69   def _NlAttr(self, nla_type, data):  argument
76   def _NlAttrU32(self, nla_type, value):  argument
77     return self._NlAttr(nla_type, struct.pack("=I", value))
79   def _GetConstantName(self, module, value, prefix):  argument
90   def _Decode(self, command, msg, nla_type, nla_data):  argument
94   def _ParseAttributes(self, command, family, msg, data):  argument
123       nla_name, nla_data = self._Decode(command, msg, nla.nla_type, nla_data)
131       self._Debug("      %s" % str((nla_name, nla_data)))
135   def __init__(self):  argument
137     self.seq = 0
138     self.sock = socket.socket(socket.AF_NETLINK, socket.SOCK_RAW, self.FAMILY)
139     self.sock.connect((0, 0))  # The kernel.
140     self.pid = self.sock.getsockname()[1]
142   def _Send(self, msg):  argument
144     self.seq += 1
145     self.sock.send(msg)
147   def _Recv(self):  argument
148     data = self.sock.recv(self.BUFSIZE)
152   def _ExpectDone(self):  argument
153     response = self._Recv()
158   def _ParseAck(self, response):  argument
168   def _ExpectAck(self):  argument
169     response = self._Recv()
170     self._ParseAck(response)
172   def _SendNlRequest(self, command, data, flags):  argument
175     nlmsg = NLMsgHdr((length, command, flags, self.seq, self.pid)).Pack()
177     self.MaybeDebugCommand(command, nlmsg + data)
180     self._Send(nlmsg + data)
183       self._ExpectAck()
185   def _ParseNLMsg(self, data, msgtype):  argument
188     self._Debug("  %s" % nlmsghdr)
195     self._Debug("    %s" % nlmsg)
199     attributes = self._ParseAttributes(nlmsghdr.type, nlmsg.family,
204   def _GetMsg(self, msgtype):  argument
205     data = self._Recv()
207       self._ParseAck(data)
208     return self._ParseNLMsg(data, msgtype)[0]
210   def _GetMsgList(self, msgtype, data, expect_done):  argument
213       msg, data = self._ParseNLMsg(data, msgtype)
218       self._ExpectDone()
221   def _Dump(self, command, msg, msgtype, attrs):  argument
237     nlmsghdr = NLMsgHdr((length, command, flags, self.seq, self.pid))
240     self._Send(nlmsghdr.Pack() + msg.Pack() + attrs)
245       data = self._Recv()
252         self._ParseAck(data)
253       out.extend(self._GetMsgList(msgtype, data, False))