I think, you are trying to implement the openflow agent for the NIC
card. In my perspective ,its not related to Controller stuff.
On Thu, Mar 8, 2018 at 10:14 AM, Shivaram Mysore <shivaram.mys...@gmail.com>
wrote:
> Hi Iwase,
> Let me clarify the use case a little bit more.
>
> Lets say, you run on Linux
> # ethtool -S enp1s0
>
> you will get a bunch of NIC stats. I want to wrap the same in an openflow
> message and send it to a Ryu controller running my special Ryu App which
> will connect to this client and
>
> - ask for http://ryu.readthedocs.io/en/latest/ofproto_v1_3_ref.
> html#ryu.ofproto.ofproto_v1_3_parser.OFPPortStatsRequest
>
> <http://ryu.readthedocs.io/en/latest/ofproto_v1_3_ref.html#ryu.ofproto.ofproto_v1_3_parser.OFPPortStatsRequest>
> - and I want to wrap the NIC stats and send response via
> http://ryu.readthedocs.io/en/latest/ofproto_v1_3_ref.
> html#ryu.ofproto.ofproto_v1_3_parser.OFPPortStatsReply
>
> <http://ryu.readthedocs.io/en/latest/ofproto_v1_3_ref.html#ryu.ofproto.ofproto_v1_3_parser.OFPPortStatsReply>
>
> So, I want to use the Ryu Openflow API to do this.
>
> Does this help?
>
> Thanks
>
> /Shivaram
>
>
> On Wed, Mar 7, 2018 at 8:27 PM, Iwase Yusuke <iwase.yusu...@gmail.com>
> wrote:
>
>> Hi Shivaram,
>>
>> You mean you need to send some (stats?) message from Ryu controller to
>> another
>> Ryu controller, right?
>>
>> Hmmmm... Ryu implements the OpenFlow parsers as "Controller side",
>> parsers for
>> "from switch" messages have no "serialize()" method (some of messages
>> have both
>> "serialize()" and "parser()" for unit tests though). So you need to
>> implement
>> "serialize()" method on the stats "reply" message parser class to send
>> them to
>> another controller.
>>
>> Thanks,
>> Iwase
>>
>>
>>
>> On 2018年03月08日 13:02, Shivaram Mysore wrote:
>>
>>> Hi,
>>> I am looking for example Ryu API usage where Ryu framework is used to
>>> construct a Openflow message sent to Ryu controller.
>>>
>>> Use case is that I just want to send say, network statistics to Ryu
>>> Openflow controller where I have a Ryu application that is listening to
>>> Openflow stats and meter messages.
>>>
>>> Any pointers?
>>>
>>> Thanks
>>>
>>> /Shivaram
>>>
>>>
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