On Sun, 27 Oct 2013 01:11:43 -0500
Gandhimathi Velusamy <mathiy...@gmail.com> wrote:
> I am working on LINC switch with ryu. The program l2_switch_v1_3.py most of
> the time works for me and some times it is giving me the following error.
> May I know the reason for that.
I got another report about LINC switch ofp match bug. Seems that LINC
sents a malformed format.
Can you apply the follwing patch and send the stdout to the mailing
list?
Note that this doesn't fix the problem. This is a patch for debugging.
Thanks!
diff --git a/ryu/ofproto/ofproto_v1_3_parser.py
b/ryu/ofproto/ofproto_v1_3_parser.py
index bd71fe1..0567b31 100644
--- a/ryu/ofproto/ofproto_v1_3_parser.py
+++ b/ryu/ofproto/ofproto_v1_3_parser.py
@@ -1130,7 +1130,10 @@ class OFPMatch(StringifyMixin):
fields = []
while length > 0:
n, value, mask, field_len = ofproto_v1_3.oxm_parse(buf, offset)
- k, uv = ofproto_v1_3.oxm_to_user(n, value, mask)
+ try:
+ k, uv = ofproto_v1_3.oxm_to_user(n, value, mask)
+ except:
+ print utils.hex_array(str(buf[offset:]))
fields.append((k, uv))
offset += field_len
length -= field_len
------------------------------------------------------------------------------
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