Signed-off-by: Simon Horman <[email protected]>
---
ryu/ofproto/ofproto_v1_4_parser.py | 113 +++++++++++++++++++++++++++++++++++++
1 file changed, 113 insertions(+)
diff --git a/ryu/ofproto/ofproto_v1_4_parser.py
b/ryu/ofproto/ofproto_v1_4_parser.py
index aae6a21..c03e261 100644
--- a/ryu/ofproto/ofproto_v1_4_parser.py
+++ b/ryu/ofproto/ofproto_v1_4_parser.py
@@ -843,6 +843,119 @@ class OFPPortDescStatsReply(OFPMultipartReply):
def __init__(self, datapath, type_=None, **kwargs):
super(OFPPortDescStatsReply, self).__init__(datapath, **kwargs)
+class OFPBucketCounter(StringifyMixin):
+ def __init__(self, packet_count, byte_count):
+ super(OFPBucketCounter, self).__init__()
+ self.packet_count = packet_count
+ self.byte_count = byte_count
+
+ @classmethod
+ def parser(cls, buf, offset):
+ packet_count, byte_count = struct.unpack_from(
+ ofproto.OFP_BUCKET_COUNTER_PACK_STR, buf, offset)
+ return cls(packet_count, byte_count)
+
+
+class OFPGroupStats(StringifyMixin):
+ def __init__(self, length=None, group_id=None, ref_count=None,
+ packet_count=None, byte_count=None, duration_sec=None,
+ duration_nsec=None, bucket_stats=None):
+ super(OFPGroupStats, self).__init__()
+ self.length = length
+ self.group_id = group_id
+ self.ref_count = ref_count
+ self.packet_count = packet_count
+ self.byte_count = byte_count
+ self.duration_sec = duration_sec
+ self.duration_nsec = duration_nsec
+ self.bucket_stats = bucket_stats
+
+ @classmethod
+ def parser(cls, buf, offset):
+ group = struct.unpack_from(ofproto.OFP_GROUP_STATS_PACK_STR,
+ buf, offset)
+ group_stats = cls(*group)
+
+ group_stats.bucket_stats = []
+ total_len = group_stats.length + offset
+ offset += ofproto.OFP_GROUP_STATS_SIZE
+ while total_len > offset:
+ b = OFPBucketCounter.parser(buf, offset)
+ group_stats.bucket_stats.append(b)
+ offset += ofproto.OFP_BUCKET_COUNTER_SIZE
+
+ return group_stats
+
+
+@_set_stats_type(ofproto.OFPMP_GROUP, OFPGroupStats)
+@_set_msg_type(ofproto.OFPT_MULTIPART_REQUEST)
+class OFPGroupStatsRequest(OFPMultipartRequest):
+ """
+ Group statistics request message
+
+ The controller uses this message to query statistics of one or more
+ groups.
+
+ ================ ======================================================
+ Attribute Description
+ ================ ======================================================
+ flags Zero or ``OFPMPF_REQ_MORE``
+ group_id ID of group to read (OFPG_ALL to all groups)
+ ================ ======================================================
+
+ Example::
+
+ def send_group_stats_request(self, datapath):
+ ofp = datapath.ofproto
+ ofp_parser = datapath.ofproto_parser
+
+ req = ofp_parser.OFPGroupStatsRequest(datapath, 0, ofp.OFPG_ALL)
+ datapath.send_msg(req)
+ """
+ def __init__(self, datapath, flags, group_id, type_=None):
+ super(OFPGroupStatsRequest, self).__init__(datapath, flags)
+ self.group_id = group_id
+
+ def _serialize_stats_body(self):
+ msg_pack_into(ofproto.OFP_GROUP_STATS_REQUEST_PACK_STR,
+ self.buf,
+ ofproto.OFP_MULTIPART_REQUEST_SIZE,
+ self.group_id)
+
+
[email protected]_stats_type()
+@_set_stats_type(ofproto.OFPMP_GROUP, OFPGroupStats)
+@_set_msg_type(ofproto.OFPT_MULTIPART_REPLY)
+class OFPGroupStatsReply(OFPMultipartReply):
+ """
+ Group statistics reply message
+
+ The switch responds with this message to a group statistics request.
+
+ ================ ======================================================
+ Attribute Description
+ ================ ======================================================
+ body List of ``OFPGroupStats`` instance
+ ================ ======================================================
+
+ Example::
+
+ @set_ev_cls(ofp_event.EventOFPGroupStatsReply, MAIN_DISPATCHER)
+ def group_stats_reply_handler(self, ev):
+ groups = []
+ for stat in ev.msg.body:
+ groups.append('length=%d group_id=%d '
+ 'ref_count=%d packet_count=%d byte_count=%d '
+ 'duration_sec=%d duration_nsec=%d' %
+ (stat.length, stat.group_id,
+ stat.ref_count, stat.packet_count,
+ stat.byte_count, stat.duration_sec,
+ stat.duration_nsec))
+ self.logger.debug('GroupStats: %s', groups)
+ """
+ def __init__(self, datapath, type_=None, **kwargs):
+ super(OFPGroupStatsReply, self).__init__(datapath, **kwargs)
+
class OFPExperimenterMultipart(ofproto_parser.namedtuple(
'OFPExperimenterMultipart',
--
1.8.4
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