Rich Lane | a06d0c3 | 2013-03-25 08:52:03 -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 | :: include('_copyright.py') |
Andreas Wundsam | 5630c42 | 2013-11-15 13:43:11 -0800 | [diff] [blame] | 29 | :: from loxi_globals import OFVersions |
Rich Lane | a06d0c3 | 2013-03-25 08:52:03 -0700 | [diff] [blame] | 30 | :: include('_autogen.py') |
| 31 | |
Rich Lane | d50d971 | 2013-11-29 19:40:28 -0800 | [diff] [blame] | 32 | import struct |
Rich Lane | a06d0c3 | 2013-03-25 08:52:03 -0700 | [diff] [blame] | 33 | import loxi |
| 34 | import const |
Rich Lane | d50d971 | 2013-11-29 19:40:28 -0800 | [diff] [blame] | 35 | import common |
| 36 | import action |
| 37 | :: if version >= OFVersions.VERSION_1_1: |
| 38 | import instruction |
| 39 | :: #endif |
| 40 | :: if version >= OFVersions.VERSION_1_2: |
| 41 | import oxm |
| 42 | :: #endif |
| 43 | :: if version >= OFVersions.VERSION_1_3: |
| 44 | import meter_band |
| 45 | :: #endif |
Rich Lane | a06d0c3 | 2013-03-25 08:52:03 -0700 | [diff] [blame] | 46 | |
Rich Lane | a06d0c3 | 2013-03-25 08:52:03 -0700 | [diff] [blame] | 47 | def pretty_mac(mac): |
| 48 | return ':'.join(["%02x" % x for x in mac]) |
| 49 | |
| 50 | def pretty_ipv4(v): |
| 51 | return "%d.%d.%d.%d" % ((v >> 24) & 0xFF, (v >> 16) & 0xFF, (v >> 8) & 0xFF, v & 0xFF) |
| 52 | |
| 53 | def pretty_flags(v, flag_names): |
| 54 | set_flags = [] |
| 55 | for flag_name in flag_names: |
| 56 | flag_value = getattr(const, flag_name) |
| 57 | if v & flag_value == flag_value: |
| 58 | set_flags.append(flag_name) |
| 59 | elif v & flag_value: |
| 60 | set_flags.append('%s&%#x' % (flag_name, v & flag_value)) |
| 61 | v &= ~flag_value |
| 62 | if v: |
| 63 | set_flags.append("%#x" % v) |
| 64 | return '|'.join(set_flags) or '0' |
| 65 | |
Andreas Wundsam | 5630c42 | 2013-11-15 13:43:11 -0800 | [diff] [blame] | 66 | :: if version in (OFVersions.VERSION_1_0, OFVersions.VERSION_1_1): |
Rich Lane | a06d0c3 | 2013-03-25 08:52:03 -0700 | [diff] [blame] | 67 | def pretty_wildcards(v): |
| 68 | if v == const.OFPFW_ALL: |
| 69 | return 'OFPFW_ALL' |
| 70 | flag_names = ['OFPFW_IN_PORT', 'OFPFW_DL_VLAN', 'OFPFW_DL_SRC', 'OFPFW_DL_DST', |
| 71 | 'OFPFW_DL_TYPE', 'OFPFW_NW_PROTO', 'OFPFW_TP_SRC', 'OFPFW_TP_DST', |
| 72 | 'OFPFW_NW_SRC_MASK', 'OFPFW_NW_DST_MASK', 'OFPFW_DL_VLAN_PCP', |
| 73 | 'OFPFW_NW_TOS'] |
| 74 | return pretty_flags(v, flag_names) |
Rich Lane | adb7983 | 2013-05-02 17:14:33 -0700 | [diff] [blame] | 75 | :: #endif |
Rich Lane | a06d0c3 | 2013-03-25 08:52:03 -0700 | [diff] [blame] | 76 | |
| 77 | def pretty_port(v): |
| 78 | named_ports = [(k,v2) for (k,v2) in const.__dict__.iteritems() if k.startswith('OFPP_')] |
| 79 | for (k, v2) in named_ports: |
| 80 | if v == v2: |
| 81 | return k |
| 82 | return v |
Rich Lane | 8a22cda | 2013-06-19 13:20:07 -0700 | [diff] [blame] | 83 | |
| 84 | def pack_port_no(value): |
Andreas Wundsam | 5630c42 | 2013-11-15 13:43:11 -0800 | [diff] [blame] | 85 | :: if version == OFVersions.VERSION_1_0: |
Rich Lane | 8a22cda | 2013-06-19 13:20:07 -0700 | [diff] [blame] | 86 | return struct.pack("!H", value) |
| 87 | :: else: |
| 88 | return struct.pack("!L", value) |
| 89 | :: #endif |
| 90 | |
| 91 | def unpack_port_no(reader): |
Andreas Wundsam | 5630c42 | 2013-11-15 13:43:11 -0800 | [diff] [blame] | 92 | :: if version == OFVersions.VERSION_1_0: |
Rich Lane | 8a22cda | 2013-06-19 13:20:07 -0700 | [diff] [blame] | 93 | return reader.read("!H")[0] |
| 94 | :: else: |
| 95 | return reader.read("!L")[0] |
| 96 | :: #endif |
| 97 | |
| 98 | def pack_fm_cmd(value): |
Andreas Wundsam | 5630c42 | 2013-11-15 13:43:11 -0800 | [diff] [blame] | 99 | :: if version == OFVersions.VERSION_1_0: |
Rich Lane | 8a22cda | 2013-06-19 13:20:07 -0700 | [diff] [blame] | 100 | return struct.pack("!H", value) |
| 101 | :: else: |
| 102 | return struct.pack("!B", value) |
| 103 | :: #endif |
| 104 | |
| 105 | def unpack_fm_cmd(reader): |
Andreas Wundsam | 5630c42 | 2013-11-15 13:43:11 -0800 | [diff] [blame] | 106 | :: if version == OFVersions.VERSION_1_0: |
Rich Lane | 8a22cda | 2013-06-19 13:20:07 -0700 | [diff] [blame] | 107 | return reader.read("!H")[0] |
| 108 | :: else: |
| 109 | return reader.read("!B")[0] |
| 110 | :: #endif |
| 111 | |
| 112 | def init_wc_bmap(): |
Andreas Wundsam | 5630c42 | 2013-11-15 13:43:11 -0800 | [diff] [blame] | 113 | :: if version <= OFVersions.VERSION_1_1: |
Rich Lane | 8a22cda | 2013-06-19 13:20:07 -0700 | [diff] [blame] | 114 | return const.OFPFW_ALL |
| 115 | :: else: |
| 116 | return 0 |
| 117 | :: #endif |
| 118 | |
| 119 | def pack_wc_bmap(value): |
Andreas Wundsam | 5630c42 | 2013-11-15 13:43:11 -0800 | [diff] [blame] | 120 | :: if version <= OFVersions.VERSION_1_1: |
Rich Lane | 8a22cda | 2013-06-19 13:20:07 -0700 | [diff] [blame] | 121 | return struct.pack("!L", value) |
| 122 | :: else: |
| 123 | return struct.pack("!Q", value) |
| 124 | :: #endif |
| 125 | |
| 126 | def unpack_wc_bmap(reader): |
Andreas Wundsam | 5630c42 | 2013-11-15 13:43:11 -0800 | [diff] [blame] | 127 | :: if version <= OFVersions.VERSION_1_1: |
Rich Lane | 8a22cda | 2013-06-19 13:20:07 -0700 | [diff] [blame] | 128 | return reader.read("!L")[0] |
| 129 | :: else: |
| 130 | return reader.read("!Q")[0] |
| 131 | :: #endif |
| 132 | |
| 133 | def init_match_bmap(): |
Andreas Wundsam | 5630c42 | 2013-11-15 13:43:11 -0800 | [diff] [blame] | 134 | :: if version <= OFVersions.VERSION_1_1: |
Rich Lane | 8a22cda | 2013-06-19 13:20:07 -0700 | [diff] [blame] | 135 | return const.OFPFW_ALL |
| 136 | :: else: |
| 137 | return 0 |
| 138 | :: #endif |
| 139 | |
| 140 | def pack_match_bmap(value): |
Andreas Wundsam | 5630c42 | 2013-11-15 13:43:11 -0800 | [diff] [blame] | 141 | :: if version <= OFVersions.VERSION_1_1: |
Rich Lane | 8a22cda | 2013-06-19 13:20:07 -0700 | [diff] [blame] | 142 | return struct.pack("!L", value) |
| 143 | :: else: |
| 144 | return struct.pack("!Q", value) |
| 145 | :: #endif |
| 146 | |
| 147 | def unpack_match_bmap(reader): |
Andreas Wundsam | 5630c42 | 2013-11-15 13:43:11 -0800 | [diff] [blame] | 148 | :: if version <= OFVersions.VERSION_1_1: |
Rich Lane | 8a22cda | 2013-06-19 13:20:07 -0700 | [diff] [blame] | 149 | return reader.read("!L")[0] |
| 150 | :: else: |
| 151 | return reader.read("!Q")[0] |
| 152 | :: #endif |
| 153 | |
| 154 | def pack_list(values): |
| 155 | return "".join([x.pack() for x in values]) |
Rich Lane | 3b2fd83 | 2013-09-24 13:44:08 -0700 | [diff] [blame] | 156 | |
| 157 | MASK64 = (1 << 64) - 1 |
| 158 | |
| 159 | def pack_bitmap_128(value): |
| 160 | x = 0l |
| 161 | for y in value: |
| 162 | x |= 1 << y |
| 163 | return struct.pack("!QQ", (x >> 64) & MASK64, x & MASK64) |
| 164 | |
| 165 | def unpack_bitmap_128(reader): |
| 166 | hi, lo = reader.read("!QQ") |
| 167 | x = (hi << 64) | lo |
| 168 | i = 0 |
| 169 | value = set() |
| 170 | while x != 0: |
| 171 | if x & 1 == 1: |
| 172 | value.add(i) |
| 173 | i += 1 |
| 174 | x >>= 1 |
| 175 | return value |
Rich Lane | d50d971 | 2013-11-29 19:40:28 -0800 | [diff] [blame] | 176 | |
| 177 | def unpack_list_flow_stats_entry(reader): |
| 178 | return loxi.generic_util.unpack_list_lv16(reader, common.flow_stats_entry.unpack) |
| 179 | |
| 180 | def unpack_list_queue_prop(reader): |
| 181 | def deserializer(reader, typ): |
| 182 | return common.queue_prop.unpack(reader) |
| 183 | return loxi.generic_util.unpack_list_tlv16(reader, deserializer) |
| 184 | |
| 185 | def unpack_list_packet_queue(reader): |
| 186 | def wrapper(reader): |
| 187 | length, = reader.peek('!4xH') |
| 188 | return common.packet_queue.unpack(reader.slice(length)) |
| 189 | return loxi.generic_util.unpack_list(reader, wrapper) |
| 190 | |
| 191 | def unpack_list_hello_elem(reader): |
| 192 | def deserializer(reader, typ): |
| 193 | try: |
| 194 | return common.hello_elem.unpack(reader) |
| 195 | except loxi.ProtocolError: |
| 196 | return None |
| 197 | return [x for x in loxi.generic_util.unpack_list_tlv16(reader, deserializer) if x != None] |
| 198 | |
| 199 | def unpack_list_bucket(reader): |
| 200 | return loxi.generic_util.unpack_list_lv16(reader, common.bucket.unpack) |
| 201 | |
| 202 | def unpack_list_group_desc_stats_entry(reader): |
| 203 | return loxi.generic_util.unpack_list_lv16(reader, common.group_desc_stats_entry.unpack) |
| 204 | |
| 205 | def unpack_list_group_stats_entry(reader): |
| 206 | return loxi.generic_util.unpack_list_lv16(reader, common.group_stats_entry.unpack) |
| 207 | |
| 208 | def unpack_list_meter_stats(reader): |
| 209 | def wrapper(reader): |
| 210 | length, = reader.peek('!4xH') |
| 211 | return common.meter_stats.unpack(reader.slice(length)) |
| 212 | return loxi.generic_util.unpack_list(reader, wrapper) |
| 213 | |
| 214 | def unpack_list_action(reader): |
| 215 | def deserializer(reader, typ): |
| 216 | return action.action.unpack(reader) |
| 217 | return loxi.generic_util.unpack_list_tlv16(reader, deserializer) |
| 218 | |
| 219 | def unpack_list_instruction(reader): |
| 220 | def deserializer(reader, typ): |
| 221 | return instruction.instruction.unpack(reader) |
| 222 | return loxi.generic_util.unpack_list_tlv16(reader, deserializer) |
| 223 | |
| 224 | def unpack_list_meter_band(reader): |
| 225 | def deserializer(reader, typ): |
| 226 | return meter_band.meter_band.unpack(reader) |
| 227 | return loxi.generic_util.unpack_list_tlv16(reader, deserializer) |
| 228 | |
| 229 | def unpack_list_oxm(reader): |
| 230 | return loxi.generic_util.unpack_list(reader, oxm.oxm.unpack) |