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Add OF1.4 meter features stats request and reply message support

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Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
This commit is contained in:
Simon Horman 2014-01-29 12:06:24 +09:00 committed by FUJITA Tomonori
parent 9d87fc08d9
commit c6bea4f028
1 changed files with 73 additions and 0 deletions
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73
ryu/ofproto/ofproto_v1_4_parser.py
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@ -2344,6 +2344,79 @@ class OFPMeterConfigStatsReply(OFPMultipartReply):
super(OFPMeterConfigStatsReply, self).__init__(datapath, **kwargs)
class OFPMeterFeaturesStats(ofproto_parser.namedtuple('OFPMeterFeaturesStats',
('max_meter', 'band_types', 'capabilities',
'max_band', 'max_color'))):
@classmethod
def parser(cls, buf, offset):
meter_features = struct.unpack_from(
ofproto.OFP_METER_FEATURES_PACK_STR, buf, offset)
stats = cls(*meter_features)
stats.length = ofproto.OFP_METER_FEATURES_SIZE
return stats
@_set_stats_type(ofproto.OFPMP_METER_FEATURES, OFPMeterFeaturesStats)
@_set_msg_type(ofproto.OFPT_MULTIPART_REQUEST)
class OFPMeterFeaturesStatsRequest(OFPMultipartRequest):
"""
Meter features statistics request message
The controller uses this message to query the set of features of the
metering subsystem.
================ ======================================================
Attribute Description
================ ======================================================
flags Zero or ``OFPMPF_REQ_MORE``
================ ======================================================
Example::
def send_meter_features_stats_request(self, datapath):
ofp_parser = datapath.ofproto_parser
req = ofp_parser.OFPMeterFeaturesStatsRequest(datapath, 0)
datapath.send_msg(req)
"""
def __init__(self, datapath, flags, type_=None):
super(OFPMeterFeaturesStatsRequest, self).__init__(datapath, flags)
@OFPMultipartReply.register_stats_type()
@_set_stats_type(ofproto.OFPMP_METER_FEATURES, OFPMeterFeaturesStats)
@_set_msg_type(ofproto.OFPT_MULTIPART_REPLY)
class OFPMeterFeaturesStatsReply(OFPMultipartReply):
"""
Meter features statistics reply message
The switch responds with this message to a meter features statistics
request.
================ ======================================================
Attribute Description
================ ======================================================
body List of ``OFPMeterFeaturesStats`` instance
================ ======================================================
Example::
@set_ev_cls(ofp_event.EventOFPMeterFeaturesStatsReply, MAIN_DISPATCHER)
def meter_features_stats_reply_handler(self, ev):
features = []
for stat in ev.msg.body:
features.append('max_meter=%d band_types=0x%08x '
'capabilities=0x%08x max_band=%d '
'max_color=%d' %
(stat.max_meter, stat.band_types,
stat.capabilities, stat.max_band,
stat.max_color))
self.logger.debug('MeterFeaturesStats: %s', configs)
"""
def __init__(self, datapath, type_=None, **kwargs):
super(OFPMeterFeaturesStatsReply, self).__init__(datapath, **kwargs)
class OFPMeterBand(StringifyMixin):
def __init__(self, type_, len_):
super(OFPMeterBand, self).__init__()