Signed-off-by: Simon Horman <[email protected]>
---
ryu/ofproto/ofproto_v1_4.py | 5 +++
ryu/ofproto/ofproto_v1_4_parser.py | 85 ++++++++++++++++++++++++++++++++++++++
2 files changed, 90 insertions(+)
diff --git a/ryu/ofproto/ofproto_v1_4.py b/ryu/ofproto/ofproto_v1_4.py
index 48526bf..70f7b45 100644
--- a/ryu/ofproto/ofproto_v1_4.py
+++ b/ryu/ofproto/ofproto_v1_4.py
@@ -1128,6 +1128,11 @@ OFP_BUCKET_COUNTER_PACK_STR = '!QQ'
OFP_BUCKET_COUNTER_SIZE = 16
assert calcsize(OFP_BUCKET_COUNTER_PACK_STR) == OFP_BUCKET_COUNTER_SIZE
+# struct ofp_group_desc_stats
+OFP_GROUP_DESC_STATS_PACK_STR = '!HBxI'
+OFP_GROUP_DESC_STATS_SIZE = 8
+assert calcsize(OFP_GROUP_DESC_STATS_PACK_STR) == OFP_GROUP_DESC_STATS_SIZE
+
# struct ofp_group_stats
OFP_GROUP_STATS_PACK_STR = '!H2xII4xQQII'
OFP_GROUP_STATS_SIZE = 40
diff --git a/ryu/ofproto/ofproto_v1_4_parser.py
b/ryu/ofproto/ofproto_v1_4_parser.py
index e09b83e..b5716c9 100644
--- a/ryu/ofproto/ofproto_v1_4_parser.py
+++ b/ryu/ofproto/ofproto_v1_4_parser.py
@@ -1838,6 +1838,91 @@ class OFPGroupStatsReply(OFPMultipartReply):
super(OFPGroupStatsReply, self).__init__(datapath, **kwargs)
+class OFPGroupDescStats(StringifyMixin):
+ def __init__(self, type_=None, group_id=None, buckets=None, length=None):
+ super(OFPGroupDescStats, self).__init__()
+ self.type = type_
+ self.group_id = group_id
+ self.buckets = buckets
+
+ @classmethod
+ def parser(cls, buf, offset):
+ stats = cls()
+
+ (stats.length, stats.type, stats.group_id) = struct.unpack_from(
+ ofproto.OFP_GROUP_DESC_STATS_PACK_STR, buf, offset)
+ offset += ofproto.OFP_GROUP_DESC_STATS_SIZE
+
+ stats.buckets = []
+ length = ofproto.OFP_GROUP_DESC_STATS_SIZE
+ while length < stats.length:
+ bucket = OFPBucket.parser(buf, offset)
+ stats.buckets.append(bucket)
+
+ offset += bucket.len
+ length += bucket.len
+
+ return stats
+
+
+@_set_stats_type(ofproto.OFPMP_GROUP_DESC, OFPGroupDescStats)
+@_set_msg_type(ofproto.OFPT_MULTIPART_REQUEST)
+class OFPGroupDescStatsRequest(OFPMultipartRequest):
+ """
+ Group description request message
+
+ The controller uses this message to list the set of groups on a switch.
+
+ ================ ======================================================
+ Attribute Description
+ ================ ======================================================
+ flags Zero or ``OFPMPF_REQ_MORE``
+ ================ ======================================================
+
+ Example::
+
+ def send_group_desc_stats_request(self, datapath):
+ ofp = datapath.ofproto
+ ofp_parser = datapath.ofproto_parser
+
+ req = ofp_parser.OFPGroupDescStatsRequest(datapath, 0)
+ datapath.send_msg(req)
+ """
+ def __init__(self, datapath, flags, type_=None):
+ super(OFPGroupDescStatsRequest, self).__init__(datapath, flags)
+
+
[email protected]_stats_type()
+@_set_stats_type(ofproto.OFPMP_GROUP_DESC, OFPGroupDescStats)
+@_set_msg_type(ofproto.OFPT_MULTIPART_REPLY)
+class OFPGroupDescStatsReply(OFPMultipartReply):
+ """
+ Group description reply message
+
+ The switch responds with this message to a group description request.
+
+ ================ ======================================================
+ Attribute Description
+ ================ ======================================================
+ body List of ``OFPGroupDescStats`` instance
+ ================ ======================================================
+
+ Example::
+
+ @set_ev_cls(ofp_event.EventOFPGroupDescStatsReply, MAIN_DISPATCHER)
+ def group_desc_stats_reply_handler(self, ev):
+ descs = []
+ for stat in ev.msg.body:
+ descs.append('length=%d type=%d group_id=%d '
+ 'buckets=%s' %
+ (stat.length, stat.type, stat.group_id,
+ stat.bucket))
+ self.logger.debug('GroupDescStats: %s', groups)
+ """
+ def __init__(self, datapath, type_=None, **kwargs):
+ super(OFPGroupDescStatsReply, self).__init__(datapath, **kwargs)
+
+
class OFPGroupFeaturesStats(ofproto_parser.namedtuple('OFPGroupFeaturesStats',
('types', 'capabilities', 'max_groups',
'actions'))):
--
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