blob: b97e82929ec6e5a1fcb81f534354db8cfb2e1df6 [file] [log] [blame]
Rich Lanea06d0c32013-03-25 08:52:03 -07001:: # Copyright 2013, Big Switch Networks, Inc.
2:: #
3:: # LoxiGen is licensed under the Eclipse Public License, version 1.0 (EPL), with
4:: # the following special exception:
5:: #
6:: # LOXI Exception
7:: #
8:: # As a special exception to the terms of the EPL, you may distribute libraries
9:: # generated by LoxiGen (LoxiGen Libraries) under the terms of your choice, provided
10:: # that copyright and licensing notices generated by LoxiGen are not altered or removed
11:: # from the LoxiGen Libraries and the notice provided below is (i) included in
12:: # the LoxiGen Libraries, if distributed in source code form and (ii) included in any
13:: # documentation for the LoxiGen Libraries, if distributed in binary form.
14:: #
15:: # Notice: "Copyright 2013, Big Switch Networks, Inc. This library was generated by the LoxiGen Compiler."
16:: #
17:: # You may not use this file except in compliance with the EPL or LOXI Exception. You may obtain
18:: # a copy of the EPL at:
19:: #
20:: # http://www.eclipse.org/legal/epl-v10.html
21:: #
22:: # Unless required by applicable law or agreed to in writing, software
23:: # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
24:: # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
25:: # EPL for the specific language governing permissions and limitations
26:: # under the EPL.
27::
28 version = struct.unpack_from('!B', buf, 0)[0]
29 assert(version == const.OFP_VERSION)
30 type = struct.unpack_from('!B', buf, 1)[0]
31 assert(type == const.OFPT_PACKET_OUT)
32 _length = struct.unpack_from('!H', buf, 2)[0]
33 assert(_length == len(buf))
34 if _length < 16: raise loxi.ProtocolError("packet_out length is %d, should be at least 16" % _length)
35 obj.xid = struct.unpack_from('!L', buf, 4)[0]
36 obj.buffer_id = struct.unpack_from('!L', buf, 8)[0]
37 obj.in_port = struct.unpack_from('!H', buf, 12)[0]
38 actions_len = struct.unpack_from('!H', buf, 14)[0]
39 obj.actions = action.unpack_list(buffer(buf, 16, actions_len))
40 obj.data = str(buffer(buf, 16+actions_len))