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# > generation-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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