HI,

Thanks for tour reply!!

However I want to use these data sent from the controller at host.

How to receive packets from the controller and transfer it to txt file at
the host?

Thanks,

Alan

2016-08-08 21:08 GMT+08:00 Alan Wang <[email protected]>:

> HI,
>
> Thanks for tour reply!!
>
> However I want to use these data sent from the controller at host.
>
> How to receive packets from the controller and transfer it to txt file at
> the host?
>
> Thanks,
>
> Alan
>
>
>
> 2016-08-08 10:51 GMT+08:00 Yi Tseng <[email protected]>:
>
>> Maybe you can use tcpdump or use scapy to receive specific interface?
>>
>> 2016-08-07 21:13 GMT+08:00 Alan Wang <[email protected]>:
>>
>>> HI,
>>>
>>> Thanks for your reply!!
>>>
>>> Can i get data from packet-out message in the computer of the host?
>>>
>>> for example:
>>>
>>> http://osrg.github.io/ryu-book/en/html/packet_lib.html#gener
>>> ation-of-packets-serialization
>>>
>>> Application example
>>>
>>> Can i get data from host? Where data wiil be stored in the computer of
>>> the host?
>>>
>>> Thanks,
>>>
>>> Alan
>>>
>>> 2016-08-05 13:31 GMT+08:00 Iwase Yusuke <[email protected]>:
>>>
>>>> Hi,
>>>>
>>>> Please refer to the 'data' attribute of OFPPacketOut.
>>>> You can set a binary type value, which you want send, into this
>>>> attribute.
>>>>   e.g.)
>>>>     req = ofp_parser.OFPPacketOut(datapath, buffer_id,in_port, actions,
>>>>                                   data=<BINARY_TYPE_VALUE>)
>>>>
>>>> FYI: For building a binary type packet data, Ryu provides the packet
>>>> libraries.
>>>> 'bin_packet' in the following example is a binary type value to send.
>>>>   http://osrg.github.io/ryu-book/en/html/packet_lib.html#gener
>>>> ation-of-packets-serialization
>>>>
>>>> Thanks,
>>>> Iwase
>>>>
>>>>
>>>> On 2016年08月05日 14:19, Alan Wang wrote:
>>>>
>>>>> HI,
>>>>>
>>>>> Thanks for your reply!!
>>>>>
>>>>>
>>>>> def send_packet_out(self, datapath, buffer_id, in_port):
>>>>>
>>>>>     ofp = datapath.ofproto
>>>>>     ofp_parser = datapath.ofproto_parser
>>>>>
>>>>>     actions = [ofp_parser.OFPActionOutput(ofp.OFPP_FLOOD, 0)]
>>>>>     req = ofp_parser.OFPPacketOut(datapath, buffer_id,in_port,
>>>>> actions)
>>>>>     datapath.send_msg(req)
>>>>>
>>>>>
>>>>> In these codes of the example, i can't find data the controller send.
>>>>>
>>>>> I think it can't send data what i want to send.
>>>>>
>>>>> Thanks,
>>>>>
>>>>> Alan
>>>>>
>>>>>
>>>>> 2016-08-05 12:04 GMT+08:00 Iwase Yusuke <[email protected]
>>>>> <mailto:[email protected]>>:
>>>>>
>>>>>     Hi,
>>>>>
>>>>>     You can use Packet-Out messages for such purpose, I guess.
>>>>>       http://ryu.readthedocs.io/en/latest/ofproto_v1_3_ref.html#ry
>>>>> u.ofproto.ofproto_v1_3_parser.OFPPacketOut <
>>>>> http://ryu.readthedocs.io/en/latest/ofproto_v1_3_ref.html#r
>>>>> yu.ofproto.ofproto_v1_3_parser.OFPPacketOut>
>>>>>
>>>>>     Thanks,
>>>>>     Iwase
>>>>>
>>>>>
>>>>>
>>>>>     On 2016年08月05日 12:45, Alan Wang wrote:
>>>>>
>>>>>         Hi All,
>>>>>
>>>>>         I want to send some data controller collected from Controller
>>>>> to Host.
>>>>>
>>>>>         What should i do ?
>>>>>
>>>>>         Thanks,
>>>>>
>>>>>         Alan.
>>>>>
>>>>>
>>>>>
>>>>>         ------------------------------------------------------------
>>>>> ------------------
>>>>>
>>>>>
>>>>>
>>>>>         _______________________________________________
>>>>>         Ryu-devel mailing list
>>>>>         [email protected] <mailto:[email protected]
>>>>> forge.net>
>>>>>         https://lists.sourceforge.net/lists/listinfo/ryu-devel <
>>>>> https://lists.sourceforge.net/lists/listinfo/ryu-devel>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> ------------------------------------------------------------
>>>>> ------------------
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Ryu-devel mailing list
>>>>> [email protected]
>>>>> https://lists.sourceforge.net/lists/listinfo/ryu-devel
>>>>>
>>>>>
>>>
>>> ------------------------------------------------------------
>>> ------------------
>>>
>>> _______________________________________________
>>> Ryu-devel mailing list
>>> [email protected]
>>> https://lists.sourceforge.net/lists/listinfo/ryu-devel
>>>
>>>
>>
>>
>> --
>> Yi Tseng (a.k.a Takeshi)
>> Taiwan National Chiao Tung University
>> Department of Computer Science
>> W2CNLab
>>
>> http://takeshi.tw
>>
>
>
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