Rich Lane | 7708c18 | 2013-10-01 23:27:27 -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 | |
| 28 | function read_scalar(reader, subtree, field_name, length) |
| 29 | subtree:add(fields[field_name], reader.read(length)) |
| 30 | end |
| 31 | |
| 32 | function read_uint8_t(reader, version, subtree, field_name) |
| 33 | read_scalar(reader, subtree, field_name, 1) |
| 34 | end |
| 35 | |
| 36 | function read_uint16_t(reader, version, subtree, field_name) |
| 37 | read_scalar(reader, subtree, field_name, 2) |
| 38 | end |
| 39 | |
| 40 | function read_uint32_t(reader, version, subtree, field_name) |
| 41 | read_scalar(reader, subtree, field_name, 4) |
| 42 | end |
| 43 | |
| 44 | function read_uint64_t(reader, version, subtree, field_name) |
| 45 | read_scalar(reader, subtree, field_name, 8) |
| 46 | end |
| 47 | |
Tomasz | be8adf6 | 2014-01-04 15:24:08 -0800 | [diff] [blame] | 48 | local hex2bin_tab = { |
| 49 | ["0"] = "0000", |
| 50 | ["1"] = "0001", |
| 51 | ["2"] = "0010", |
| 52 | ["3"] = "0011", |
| 53 | ["4"] = "0100", |
| 54 | ["5"] = "0101", |
| 55 | ["6"] = "0110", |
| 56 | ["7"] = "0111", |
| 57 | ["8"] = "1000", |
| 58 | ["9"] = "1001", |
| 59 | ["a"] = "1010", |
| 60 | ["b"] = "1011", |
| 61 | ["c"] = "1100", |
| 62 | ["d"] = "1101", |
| 63 | ["e"] = "1110", |
| 64 | ["f"] = "1111" |
| 65 | } |
| 66 | |
| 67 | function hex2bin(str) |
| 68 | local bin = '' |
| 69 | for byte in string.gmatch(tostring(str), '%x') do |
| 70 | bin = bin .. hex2bin_tab[byte] |
| 71 | end |
| 72 | return bin |
| 73 | end |
| 74 | |
Tomasz | 24d059a | 2013-12-19 09:29:24 -0800 | [diff] [blame] | 75 | function read_of_bitmap_128_t(reader, version, subtree, field_name) |
Tomasz | be8adf6 | 2014-01-04 15:24:08 -0800 | [diff] [blame] | 76 | if string.match(field_name, 'value_mask') then |
| 77 | local masked_ports = '' |
| 78 | local bitmap_string = hex2bin(reader.read(16)) |
| 79 | local len = string.len(bitmap_string) |
| 80 | i = len |
| 81 | while i > 0 do |
| 82 | if string.sub(bitmap_string, i, i) == '0' then |
| 83 | masked_ports = masked_ports .. tostring(len - i) .. ' ' |
| 84 | end |
| 85 | i = i - 1 |
| 86 | end |
| 87 | subtree:add("masked_ports:", masked_ports) |
| 88 | else |
| 89 | subtree:add(fields[field_name], reader.read(16)) |
| 90 | end |
Tomasz | 24d059a | 2013-12-19 09:29:24 -0800 | [diff] [blame] | 91 | end |
| 92 | |
Rich Lane | e6fc815 | 2014-01-08 15:21:23 -0800 | [diff] [blame] | 93 | function read_of_checksum_128_t(reader, version, subtree, field_name) |
| 94 | read_scalar(reader, subtree, field_name, 16) |
| 95 | end |
| 96 | |
Rich Lane | 7708c18 | 2013-10-01 23:27:27 -0700 | [diff] [blame] | 97 | function read_of_octets_t(reader, version, subtree, field_name) |
Rich Lane | 4a86826 | 2013-10-02 15:19:44 -0700 | [diff] [blame] | 98 | if not reader.is_empty() then |
| 99 | subtree:add(fields[field_name], reader.read_all()) |
| 100 | end |
Rich Lane | 7708c18 | 2013-10-01 23:27:27 -0700 | [diff] [blame] | 101 | end |
| 102 | |
| 103 | function read_list_of_hello_elem_t(reader, version, subtree, field_name) |
| 104 | -- TODO |
| 105 | end |
Rich Lane | a6e650e | 2013-10-02 16:30:06 -0700 | [diff] [blame] | 106 | |
| 107 | function read_of_match_t(reader, version, subtree, field_name) |
| 108 | if version == 1 then |
Tomasz | a0dfec0 | 2013-12-14 21:51:04 -0800 | [diff] [blame] | 109 | dissect_of_match_v1_v1(reader, subtree:add("of_match")) |
Rich Lane | a6e650e | 2013-10-02 16:30:06 -0700 | [diff] [blame] | 110 | elseif version == 2 then |
Tomasz | a0dfec0 | 2013-12-14 21:51:04 -0800 | [diff] [blame] | 111 | dissect_of_match_v2_v2(reader, subtree:add("of_match")) |
Rich Lane | a6e650e | 2013-10-02 16:30:06 -0700 | [diff] [blame] | 112 | elseif version >= 3 then |
Tomasz | a0dfec0 | 2013-12-14 21:51:04 -0800 | [diff] [blame] | 113 | dissect_of_match_v3_v3(reader, subtree:add("of_match")) |
Rich Lane | a6e650e | 2013-10-02 16:30:06 -0700 | [diff] [blame] | 114 | end |
| 115 | end |
| 116 | |
| 117 | function read_of_wc_bmap_t(reader, version, subtree, field_name) |
| 118 | if version <= 2 then |
| 119 | read_scalar(reader, subtree, field_name, 4) |
| 120 | else |
| 121 | read_scalar(reader, subtree, field_name, 8) |
| 122 | end |
| 123 | end |
| 124 | |
| 125 | function read_of_port_no_t(reader, version, subtree, field_name) |
| 126 | if version == 1 then |
| 127 | read_scalar(reader, subtree, field_name, 2) |
| 128 | else |
| 129 | read_scalar(reader, subtree, field_name, 4) |
| 130 | end |
| 131 | end |
| 132 | |
Tomasz | c595d5b | 2013-11-02 13:30:32 -0700 | [diff] [blame] | 133 | function read_of_port_name_t(reader, version, subtree, field_name) |
| 134 | read_scalar(reader, subtree, field_name, 16) |
| 135 | end |
| 136 | |
Rich Lane | a6e650e | 2013-10-02 16:30:06 -0700 | [diff] [blame] | 137 | function read_of_mac_addr_t(reader, version, subtree, field_name) |
| 138 | read_scalar(reader, subtree, field_name, 6) |
| 139 | end |
| 140 | |
| 141 | function read_of_ipv4_t(reader, version, subtree, field_name) |
| 142 | read_scalar(reader, subtree, field_name, 4) |
| 143 | end |
| 144 | |
Rich Lane | 5c56c3b | 2013-10-25 14:39:29 -0700 | [diff] [blame] | 145 | function read_of_ipv6_t(reader, version, subtree, field_name) |
| 146 | read_scalar(reader, subtree, field_name, 16) |
| 147 | end |
| 148 | |
Rich Lane | a6e650e | 2013-10-02 16:30:06 -0700 | [diff] [blame] | 149 | function read_of_fm_cmd_t(reader, version, subtree, field_name) |
| 150 | if version == 1 then |
| 151 | read_scalar(reader, subtree, field_name, 2) |
| 152 | else |
| 153 | read_scalar(reader, subtree, field_name, 1) |
| 154 | end |
| 155 | end |
| 156 | |
Tomasz | c595d5b | 2013-11-02 13:30:32 -0700 | [diff] [blame] | 157 | function read_of_desc_str_t(reader, version, subtree, field_name) |
| 158 | read_scalar(reader, subtree, field_name, 256) |
| 159 | end |
| 160 | |
| 161 | function read_of_serial_num_t(reader, version, subtree, field_name) |
| 162 | read_scalar(reader, subtree, field_name, 32) |
Rich Lane | a6e650e | 2013-10-02 16:30:06 -0700 | [diff] [blame] | 163 | end |
Tomasz | e058435 | 2013-10-23 16:43:26 -0700 | [diff] [blame] | 164 | |
Tomasz | 359147c | 2013-12-17 18:34:20 -0800 | [diff] [blame] | 165 | function read_of_port_desc_t(reader, version, subtree, field_name) |
| 166 | if reader.is_empty() then |
| 167 | return |
| 168 | end |
| 169 | local child_subtree = subtree:add(fields[field_name], reader.peek_all(0)) |
| 170 | local info = of_port_desc_dissectors[version](reader, child_subtree) |
| 171 | child_subtree:set_text(info) |
| 172 | end |
| 173 | |
Tomasz | a17a669 | 2013-10-30 17:34:18 -0700 | [diff] [blame] | 174 | function read_of_oxm_t(reader, version, subtree, field_name) |
| 175 | if reader.is_empty() then |
| 176 | return |
| 177 | end |
| 178 | local child_subtree = subtree:add(fields[field_name], reader.peek_all(0)) |
Tomasz | 2663f4f | 2013-12-10 05:12:42 -0800 | [diff] [blame] | 179 | local info = of_oxm_dissectors[version](reader, child_subtree) |
Tomasz | a17a669 | 2013-10-30 17:34:18 -0700 | [diff] [blame] | 180 | child_subtree:set_text(info) |
| 181 | end |
Tomasz | abaeac3 | 2013-12-16 21:22:13 -0800 | [diff] [blame] | 182 | |
| 183 | function read_list(reader, dissector, subtree, field_name) |
| 184 | if not reader.is_empty() then |
| 185 | local list_subtree = subtree:add(field_name .. " list", reader.peek_all(0)) |
| 186 | while not reader.is_empty() do |
| 187 | local atom_subtree = list_subtree:add(field_name, reader.peek_all(0)) |
| 188 | local info = dissector(reader, atom_subtree) |
| 189 | atom_subtree:set_text(info) |
| 190 | end |
| 191 | else |
| 192 | return |
| 193 | end |
| 194 | end |
tomaszklimczyk | 8d18d72 | 2014-01-19 23:17:05 -0800 | [diff] [blame] | 195 | |
| 196 | function read_ethernet(reader, version, subtree, field_name) |
| 197 | if reader.is_empty() then |
| 198 | return |
| 199 | end |
| 200 | local child_subtree = subtree:add(fields[field_name], reader.peek_all(0)) |
| 201 | child_subtree:set_text("Ethernet packet") |
| 202 | ethernet_dissector:call(reader.read_all():tvb(), current_pkt, child_subtree) |
| 203 | end |
tomaszklimczyk | 8c83385 | 2014-01-19 23:18:12 -0800 | [diff] [blame^] | 204 | |
| 205 | function read_of_bsn_vport_q_in_q_t(reader, version, subtree, field_name) |
| 206 | if reader.is_empty() then |
| 207 | return |
| 208 | end |
| 209 | local child_subtree = subtree:add(fields[field_name], reader.peek_all(0)) |
| 210 | local info = of_bsn_vport_q_in_q_dissectors[version](reader, child_subtree) |
| 211 | child_subtree:set_text(info) |
| 212 | end |