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[vsorcdistro/.git] / ryu / build / lib.linux-armv7l-2.7 / ryu / services / protocols / vrrp / utils.py

diff --git a/ryu/build/lib.linux-armv7l-2.7/ryu/services/protocols/vrrp/utils.py b/ryu/build/lib.linux-armv7l-2.7/ryu/services/protocols/vrrp/utils.py
new file mode 100644 (file)
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+++ b/ryu/build/lib.linux-armv7l-2.7/ryu/services/protocols/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.Datapath
+    :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)