Rich Lane | 9cfa165 | 2013-10-01 21:24:04 -0700 | [diff] [blame] | 1 | :: # 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 | :: |
Rich Lane | 96641df | 2013-06-10 13:36:35 -0700 | [diff] [blame] | 28 | :: from loxi_ir import * |
Tomasz | 3f1b1f9 | 2013-12-10 01:58:10 -0800 | [diff] [blame] | 29 | :: from wireshark_gen import make_field_name, get_reader |
Rich Lane | 4bbdcf5 | 2013-10-01 22:07:35 -0700 | [diff] [blame] | 30 | :: attrs = [] |
| 31 | :: if ofclass.virtual: attrs.append("virtual") |
| 32 | :: if ofclass.superclass: attrs.append("child") |
| 33 | :: if not ofclass.superclass: attrs.append("top-level") |
| 34 | -- ${' '.join(attrs)} class ${ofclass.name} |
| 35 | :: if ofclass.superclass: |
Andreas Wundsam | c2ce5fa | 2013-11-15 15:20:11 -0800 | [diff] [blame] | 36 | -- Child of ${ofclass.superclass.name} |
Rich Lane | 4bbdcf5 | 2013-10-01 22:07:35 -0700 | [diff] [blame] | 37 | :: #endif |
| 38 | :: if ofclass.virtual: |
| 39 | -- Discriminator is ${ofclass.discriminator.name} |
| 40 | :: #endif |
Rich Lane | 93991e4 | 2013-10-01 22:24:51 -0700 | [diff] [blame] | 41 | function ${name}(reader, subtree) |
Tomasz | a19e9d2 | 2013-12-08 11:18:11 -0800 | [diff] [blame] | 42 | :: if ofclass.virtual: |
Tomasz | 9cb04a5 | 2013-12-10 02:31:38 -0800 | [diff] [blame] | 43 | return ${ofclass.name}_v${version.wire_version}_dissectors[reader.peek(${ofclass.discriminator.offset},${ofclass.discriminator.length}):uint()](reader, subtree) |
| 44 | :: else: |
Tomasz | b5711af | 2013-12-14 21:50:28 -0800 | [diff] [blame^] | 45 | :: r_name = "reader" |
| 46 | :: if not ofclass.is_fixed_length: |
| 47 | local packet_length = ${r_name}.peek(${ofclass.message_length.offset}, ${ofclass.message_length.base_length}):uint() |
| 48 | local packet_reader = ${r_name}.slice(packet_length) |
| 49 | :: r_name = "packet_reader" |
| 50 | :: #endif |
Rich Lane | 96641df | 2013-06-10 13:36:35 -0700 | [diff] [blame] | 51 | :: for m in ofclass.members: |
Rich Lane | 7708c18 | 2013-10-01 23:27:27 -0700 | [diff] [blame] | 52 | :: if isinstance(m, OFPadMember): |
Tomasz | b5711af | 2013-12-14 21:50:28 -0800 | [diff] [blame^] | 53 | ${r_name}.skip(${m.length}) |
Rich Lane | 7708c18 | 2013-10-01 23:27:27 -0700 | [diff] [blame] | 54 | :: continue |
Rich Lane | 96641df | 2013-06-10 13:36:35 -0700 | [diff] [blame] | 55 | :: #endif |
Tomasz | b5711af | 2013-12-14 21:50:28 -0800 | [diff] [blame^] | 56 | :: if isinstance(m, OFFieldLengthMember): |
| 57 | local field_length = ${r_name}.peek(0, ${m.base_length}):uint() |
| 58 | local field_reader = ${r_name}.slice(field_length) |
| 59 | :: r_name = "field_reader" |
| 60 | :: continue |
| 61 | :: #endif |
| 62 | :: if m.oftype.startswith("list"): |
| 63 | :: class_name = m.oftype.replace('_t)', '').replace('(', '').replace('list', '') |
| 64 | if not ${r_name}.is_empty() then |
| 65 | local field_subtree = subtree:add("${class_name} list", ${r_name}.peek_all(0)) |
| 66 | while not ${r_name}.is_empty() do |
| 67 | local atom_subtree = field_subtree:add("${class_name}", ${r_name}.peek_all(0)) |
| 68 | local info = dissect_${class_name}_v${version.wire_version}(${r_name}, atom_subtree) |
| 69 | atom_subtree:set_text(info) |
| 70 | end |
| 71 | end |
| 72 | :: if ofclass.has_external_alignment: |
| 73 | reader.skip_align() |
| 74 | :: #endif |
| 75 | :: else: |
Rich Lane | 7708c18 | 2013-10-01 23:27:27 -0700 | [diff] [blame] | 76 | :: field_name = make_field_name(version, ofclass.name, m.name) |
Rich Lane | 7ff373a | 2013-10-25 14:18:04 -0700 | [diff] [blame] | 77 | :: reader_name = get_reader(version, ofclass, m) |
Tomasz | b5711af | 2013-12-14 21:50:28 -0800 | [diff] [blame^] | 78 | ${reader_name}(${r_name}, ${version.wire_version}, subtree, '${field_name}') |
| 79 | :: #endif |
Rich Lane | 96641df | 2013-06-10 13:36:35 -0700 | [diff] [blame] | 80 | :: #endfor |
Rich Lane | b017c73 | 2013-10-02 14:05:01 -0700 | [diff] [blame] | 81 | return '${ofclass.name}' |
Tomasz | cdfb36c | 2013-12-08 11:16:03 -0800 | [diff] [blame] | 82 | :: #endif |
Rich Lane | 96641df | 2013-06-10 13:36:35 -0700 | [diff] [blame] | 83 | end |