From: Isaku Yamahata <[email protected]> It will be used later by VRRP service.
Signed-off-by: Isaku Yamahata <[email protected]> Signed-off-by: YAMAMOTO Takashi <[email protected]> --- ryu/services/vrrp/utils.py | 76 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 ryu/services/vrrp/utils.py diff --git a/ryu/services/vrrp/utils.py b/ryu/services/vrrp/utils.py new file mode 100644 index 0000000..8cb8fa1 --- /dev/null +++ b/ryu/services/vrrp/utils.py @@ -0,0 +1,76 @@ +# Copyright (C) 2013 Nippon Telegraph and Telephone Corporation. +# Copyright (C) 2013 Isaku Yamahata <yamahata at private email ne jp> +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or +# implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +from ryu.lib.packet import ethernet +from ryu.lib.packet import vlan +from ryu.ofproto import ether +from ryu.topology import api as topo_api + + +def may_add_vlan(packet, vlan_id): + """ + :type packet: ryu.lib.packet.packet.Packet + :param packet: + :type vlan_id: int (0 <= vlan_id <= 4095) or None (= No VLAN) + :param vlan_id: + """ + if vlan_id is None: + return + + e = packet.protocols[0] + assert isinstance(e, ethernet.ethernet) + v = vlan.vlan(0, 0, vlan_id, e.ethertype) + e.ethertype = ether.ETH_TYPE_8021Q + packet.add_protocol(v) + + +def get_dp(app, dpid): + """ + :type dpid: datapath id + :param dpid: + :rtype: ryu.controller.controller.Datapatyh + :returns: datapath corresponding to dpid + """ + switches = topo_api.get_switch(app, dpid) + if not switches: + return None + assert len(switches) == 1 + return switches[0].dp + + +def dp_packet_out(dp, port_no, data): + # OF 1.2 + ofproto = dp.ofproto + ofproto_parser = dp.ofproto_parser + actions = [ofproto_parser.OFPActionOutput(port_no, + ofproto.OFPCML_NO_BUFFER)] + packet_out = ofproto_parser.OFPPacketOut( + dp, 0xffffffff, ofproto.OFPP_CONTROLLER, actions, data) + dp.send_msg(packet_out) + + +def dp_flow_mod(dp, table, command, priority, match, instructions, + out_port=None): + # OF 1.2 + ofproto = dp.ofproto + ofproto_parser = dp.ofproto_parser + if out_port is None: + out_port = ofproto.OFPP_ANY + flow_mod = ofproto_parser.OFPFlowMod( + dp, 0, 0, table, command, 0, 0, + priority, 0xffffffff, out_port, ofproto.OFPG_ANY, + ofproto.OFPFF_CHECK_OVERLAP, match, instructions) + dp.send_msg(flow_mod) -- 1.8.1.5 ------------------------------------------------------------------------------ Get your SQL database under version control now! Version control is standard for application code, but databases havent caught up. So what steps can you take to put your SQL databases under version control? Why should you start doing it? Read more to find out. http://pubads.g.doubleclick.net/gampad/clk?id=49501711&iu=/4140/ostg.clktrk _______________________________________________ Ryu-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ryu-devel
