Hi,
When sending a multipart message of type OFPMP_GROUP, the expected reply is not
processed correctly. The openflow stack sends back a Group reply, but on the
Ryu side this leads to an AttributeError. Commenting out the offending line
gives proper functionality with correct variables able to be printed.
I also noticed that the GroupStatsRequest does not include a bucket_counter (as
defined in the standard v1_3_1, page 85). Are there any plans to include this?
Debug:
7: Sending multipart request, type:OFPMP_GROUP
Error in the datapath 0000399885270008 from ('127.0.0.1', 59999)
hub: uncaught exception: Traceback (most recent call last):
File "/usr/local/lib/python2.6/dist-packages/ryu/lib/hub.py", line 48, in
_launch
func(*args, **kwargs)
File "/usr/local/lib/python2.6/dist-packages/ryu/controller/controller.py",
line 312, in datapath_connection_factory
datapath.serve()
File "/usr/local/lib/python2.6/dist-packages/ryu/controller/controller.py",
line 232, in serve
self._recv_loop()
File "/usr/local/lib/python2.6/dist-packages/ryu/controller/controller.py",
line 97, in deactivate
method(self)
File "/usr/local/lib/python2.6/dist-packages/ryu/controller/controller.py",
line 165, in _recv_loop
version, msg_type, msg_len, xid, buf)
File "/usr/local/lib/python2.6/dist-packages/ryu/ofproto/ofproto_parser.py",
line 54, in msg
return msg_parser(datapath, version, msg_type, msg_len, xid, buf)
File
"/usr/local/lib/python2.6/dist-packages/ryu/ofproto/ofproto_v1_3_parser.py",
line 51, in msg_parser
return parser(datapath, version, msg_type, msg_len, xid, buf)
File
"/usr/local/lib/python2.6/dist-packages/ryu/ofproto/ofproto_v1_3_parser.py",
line 3384, in parser
b = stats_type_cls.cls_stats_body_cls.parser(msg.buf, offset)
File
"/usr/local/lib/python2.6/dist-packages/ryu/ofproto/ofproto_v1_3_parser.py",
line 3983, in parser
stats.length = ofproto_v1_3.OFP_GROUP_STATS_SIZE
AttributeError: can't set attribute
Line 3983 in ofproto_v1_3_parser.py is the line that I have commented out to
allow the test to proceed. I hope this is a simple bug, but please let me know
if you need any more information.
Thanks,
Adam Humphreys
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