On Thu, May 10, 2012 at 06:39:49AM +0900, FUJITA Tomonori wrote:
> ryu crashes when it gets OFPT_STATS_REPLY including OFP actions.
> 
> ofp_flow_stats can include ofp_action_header(s) so
> parser_stats_body_array method can't use the entry_size argument (the
> minimum size, 88 bytes). It needs to use the size that body_cls's
> parser returns.
> 
> Signed-off-by: FUJITA Tomonori <[email protected]>
> ---
>  ryu/ofproto/ofproto_v1_0_parser.py |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/ryu/ofproto/ofproto_v1_0_parser.py 
> b/ryu/ofproto/ofproto_v1_0_parser.py
> index ea164bd..4b9b63d 100644
> --- a/ryu/ofproto/ofproto_v1_0_parser.py
> +++ b/ryu/ofproto/ofproto_v1_0_parser.py
> @@ -1117,10 +1117,10 @@ class OFPStatsReply(MsgBase):
>      def parser_stats_body_array(cls, buf, msg_len, offset, entry_size):
>          body_cls = cls.cls_stats_body_cls
>          body = []
> -        while offset + entry_size <= msg_len:
> +        while offset < msg_len:
>              entry = body_cls.parser(buf, offset)
>              body.append(entry)
> -            offset += entry_size
> +            offset += entry.length
>          return body
>  
>      @classmethod

Hi Fujita-san,

are you concerned about differentiating between replies types that are arrays
and those that may only contain a single element?

If not the patch above looks good to me.

Reviewed-by: Simon Horman <[email protected]>

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