�PNG  IHDR��;���IDATx��ܻn�0���K�� �)(�pA������7�LeG{�� �§㻢|��ذaÆ 6lذaÆ 6lذaÆ 6lom��$^�y���ذag�5bÆ 6lذaÆ 6lذa{���� 6lذaÆ �`����}H�Fkm�,�m����Ӫ���ô�ô!��x�|'ܢ˟;�E:���9�&ᶒ�}�{�v]�n&�6� �h��_��t�ڠ͵-ҫ���Z;��Z$�.�P���k�ž)�!��o���>}l�eQfJ�T��u і���چ��\��X=8��Rن4`Vw�l�>����n�G�^��i�s��"ms�$�u��i��?w�b
s[m�6�K4���O���.�4��%����/����b�C%��t��M�ז� �-l�G6�mrz2���s�%�9��s@���-�k�9�=���)������k�B5����\��+͂�Zsٲ��Rn��~G���R���C������wIcI��n7jJ���hۛNCS|���j0��8y�iHKֶۛ�k�Ɉ+;Sz������L/��F�*\��Ԕ�#"5��m�2��[S��������=�g��n�a�P�e�ғ�L�� lذaÆ 6l�^k��̱aÆ 6lذaÆ 6lذa;���� �_��ذaÆ 6lذaÆ 6lذaÆ �
��R���IEND�B` ''' Netlink message generation/parsing Copyright 2007 Johannes Berg GPLv2+; See copying for details. ''' import struct from iotop.netlink import NLM_F_REQUEST, NLMSG_MIN_TYPE, Message, parse_attributes from iotop.netlink import NulStrAttr, Connection, NETLINK_GENERIC CTRL_CMD_UNSPEC = 0 CTRL_CMD_NEWFAMILY = 1 CTRL_CMD_DELFAMILY = 2 CTRL_CMD_GETFAMILY = 3 CTRL_CMD_NEWOPS = 4 CTRL_CMD_DELOPS = 5 CTRL_CMD_GETOPS = 6 CTRL_ATTR_UNSPEC = 0 CTRL_ATTR_FAMILY_ID = 1 CTRL_ATTR_FAMILY_NAME = 2 CTRL_ATTR_VERSION = 3 CTRL_ATTR_HDRSIZE = 4 CTRL_ATTR_MAXATTR = 5 CTRL_ATTR_OPS = 6 class GenlHdr: def __init__(self, cmd, version = 0): self.cmd = cmd self.version = version def _dump(self): return struct.pack("BBxx", self.cmd, self.version) def _genl_hdr_parse(data): return GenlHdr(*struct.unpack("BBxx", data)) GENL_ID_CTRL = NLMSG_MIN_TYPE class GeNlMessage(Message): def __init__(self, family, cmd, attrs=[], flags=0): self.cmd = cmd self.attrs = attrs self.family = family Message.__init__(self, family, flags=flags, payload=[GenlHdr(self.cmd)]+attrs) @staticmethod def recv(conn): msg = conn.recv() packet = msg.payload hdr = _genl_hdr_parse(packet[:4]) genlmsg = GeNlMessage(msg.type, hdr.cmd, [], msg.flags) genlmsg.attrs = parse_attributes(packet[4:]) genlmsg.version = hdr.version return genlmsg class Controller: def __init__(self, conn): self.conn = conn def get_family_id(self, family): a = NulStrAttr(CTRL_ATTR_FAMILY_NAME, family) m = GeNlMessage(GENL_ID_CTRL, CTRL_CMD_GETFAMILY, flags=NLM_F_REQUEST, attrs=[a]) m.send(self.conn) m = GeNlMessage.recv(self.conn) return m.attrs[CTRL_ATTR_FAMILY_ID].u16() connection = Connection(NETLINK_GENERIC) controller = Controller(connection)