openstack/os-ken
Code Issues Proposed changes

of10: Add __contains__ method into OFPMatch

Browse Source 
To support query whether a match instance contains a specific field,
This patch adds __contains__ method into OFPMatch.

Example:
  >>> if 'nw_src' in match:
  ...     print match['nw_src']
  ...
  '192.168.0.1'

Signed-off-by: IWASE Yusuke <iwase.yusuke0@gmail.com>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
This commit is contained in:
Yusuke Iwase 2015-10-06 16:49:27 +09:00 committed by FUJITA Tomonori
parent 85bb012896
commit 9e542b8851
2 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
ryu/ofproto/ofproto_v1_0.py
View File

@ -265,10 +265,12 @@ OFPFW_TP_DST = 1 << 7 # TCP/UDP destination port.
OFPFW_NW_SRC_SHIFT = 8
OFPFW_NW_SRC_BITS = 6
OFPFW_NW_SRC_MASK = ((1 << OFPFW_NW_SRC_BITS) - 1) << OFPFW_NW_SRC_SHIFT
OFPFW_NW_SRC = OFPFW_NW_SRC_MASK # IP source address (not in OF Spec).
OFPFW_NW_SRC_ALL = 32 << OFPFW_NW_SRC_SHIFT
OFPFW_NW_DST_SHIFT = 14
OFPFW_NW_DST_BITS = 6
OFPFW_NW_DST_MASK = ((1 << OFPFW_NW_DST_BITS) - 1) << OFPFW_NW_DST_SHIFT
OFPFW_NW_DST = OFPFW_NW_DST_MASK # IP destination address (not in OF Spec).
OFPFW_NW_DST_ALL = 32 << OFPFW_NW_DST_SHIFT
OFPFW_DL_VLAN_PCP = 1 << 20 # VLAN priority.
OFPFW_NW_TOS = 1 << 21 # IP ToS (DSCP field, 6 bits).

4
ryu/ofproto/ofproto_v1_0_parser.py
View File

@ -241,6 +241,10 @@ class OFPMatch(StringifyMixin):
else:
raise KeyError(name)
def __contains__(self, name):
wc = getattr(ofproto, 'OFPFW_' + name.upper(), 0)
return ~self.wildcards & wc
def serialize(self, buf, offset):
msg_pack_into(ofproto.OFP_MATCH_PACK_STR, buf, offset,
self.wildcards, self.in_port, self.dl_src,