On Mon, 1 Apr 2013 15:35:31 +0800
"can." <[email protected]> wrote:
> Here is a traceback I got:
> ------
>
> Error in the datapath 1 from ('10.109.242.118', 65457)
> Traceback (most recent call last):
> File "build/bdist.macosx-10.8-intel/egg/gevent/greenlet.py", line 390, in
> run
> result = self._run(*self.args, **self.kwargs)
> File
> "/Library/Python/2.7/site-packages/ryu-1.7-py2.7.egg/ryu/controller/controller.py",
> line 308, in datapath_connection_factory
> datapath.serve()
> File
> "/Library/Python/2.7/site-packages/ryu-1.7-py2.7.egg/ryu/controller/controller.py",
> line 228, in serve
> self._recv_loop()
> File
> "/Library/Python/2.7/site-packages/ryu-1.7-py2.7.egg/ryu/controller/controller.py",
> line 97, in deactivate
> method(self)
> File
> "/Library/Python/2.7/site-packages/ryu-1.7-py2.7.egg/ryu/controller/controller.py",
> line 170, in _recv_loop
> version, msg_type, msg_len, xid, buf)
> File
> "/Library/Python/2.7/site-packages/ryu-1.7-py2.7.egg/ryu/ofproto/ofproto_parser.py",
> line 50, in msg
> return msg_parser(datapath, version, msg_type, msg_len, xid, buf)
> File
> "/Library/Python/2.7/site-packages/ryu-1.7-py2.7.egg/ryu/ofproto/ofproto_v1_0_parser.py",
> line 53, in msg_parser
> return parser(datapath, version, msg_type, msg_len, xid, buf)
> File
> "/Library/Python/2.7/site-packages/ryu-1.7-py2.7.egg/ryu/ofproto/ofproto_v1_0_parser.py",
> line 1769, in parser
> datapath, version, msg_type, msg_len, xid, buf)
> File
> "/Library/Python/2.7/site-packages/ryu-1.7-py2.7.egg/ryu/ofproto/ofproto_v1_0_parser.py",
> line 1860, in parser_stats
> ofproto_v1_0.OFP_VENDOR_STATS_MSG_SIZE)
> File
> "/Library/Python/2.7/site-packages/ryu-1.7-py2.7.egg/ryu/ofproto/ofproto_v1_0_parser.py",
> line 1911, in parser
> datapath, version, msg_type, msg_len, xid, buf, offset)
> File
> "/Library/Python/2.7/site-packages/ryu-1.7-py2.7.egg/ryu/ofproto/ofproto_v1_0_parser.py",
> line 1897, in parser_stats
> msg.body = msg.parser_stats_body(msg.buf, msg.msg_len, offset)
> File
> "/Library/Python/2.7/site-packages/ryu-1.7-py2.7.egg/ryu/ofproto/ofproto_v1_0_parser.py",
> line 1884, in parser_stats_body
> entry = body_cls.parser(buf, offset)
> File
> "/Library/Python/2.7/site-packages/ryu-1.7-py2.7.egg/ryu/ofproto/ofproto_v1_0_parser.py",
> line 1064, in parser
> field = nx_match.MFField.parser(buf, offset)
> File
> "/Library/Python/2.7/site-packages/ryu-1.7-py2.7.egg/ryu/ofproto/nx_match.py",
> line 415, in parser
> field = cls_.field_parser(header, buf, offset)
> File
> "/Library/Python/2.7/site-packages/ryu-1.7-py2.7.egg/ryu/ofproto/nx_match.py",
> line 433, in field_parser
> offset + 4)
> ValueError: too many values to unpack
>
>> ------
>
> The error is raised from:
> (value,) = struct.unpack_from(cls.pack_str, buf, offset + 4)
> where cls.pack_str is '8H' as you suggested.
Please take a look at OF1.2 ipv6 code.
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