Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 1 | /* |
| 2 | * mc_test.c: test program for vlib mc |
| 3 | * |
| 4 | * Copyright (c) 2010 Cisco and/or its affiliates. |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at: |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | */ |
| 17 | |
| 18 | #include <vlib/vlib.h> |
| 19 | #include <vlib/unix/mc_socket.h> |
| 20 | #include <vppinfra/random.h> |
| 21 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 22 | typedef struct |
| 23 | { |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 24 | u32 min_n_msg_bytes; |
| 25 | u32 max_n_msg_bytes; |
| 26 | u32 tx_serial; |
| 27 | u32 rx_serial; |
| 28 | u32 seed; |
| 29 | u32 verbose; |
| 30 | u32 validate; |
| 31 | u32 window_size; |
| 32 | f64 min_delay, max_delay; |
| 33 | f64 n_packets_to_send; |
| 34 | } mc_test_main_t; |
| 35 | |
| 36 | always_inline u32 |
| 37 | choose_msg_size (mc_test_main_t * tm) |
| 38 | { |
| 39 | u32 r = tm->min_n_msg_bytes; |
| 40 | if (tm->max_n_msg_bytes > tm->min_n_msg_bytes) |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 41 | r += |
| 42 | random_u32 (&tm->seed) % (1 + tm->max_n_msg_bytes - |
| 43 | tm->min_n_msg_bytes); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 44 | return r; |
| 45 | } |
| 46 | |
| 47 | static mc_test_main_t mc_test_main; |
| 48 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 49 | static void |
| 50 | serialize_test_msg (serialize_main_t * m, va_list * va) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 51 | { |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 52 | mc_test_main_t *tm = &mc_test_main; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 53 | u32 n_bytes = choose_msg_size (tm); |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 54 | u8 *msg; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 55 | int i; |
| 56 | serialize_integer (m, n_bytes, sizeof (n_bytes)); |
| 57 | msg = serialize_get (m, n_bytes); |
| 58 | for (i = 0; i < n_bytes; i++) |
| 59 | msg[i] = i + tm->tx_serial; |
| 60 | tm->tx_serial += n_bytes; |
| 61 | } |
| 62 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 63 | static void |
| 64 | unserialize_test_msg (serialize_main_t * m, va_list * va) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 65 | { |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 66 | mc_test_main_t *tm = &mc_test_main; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 67 | u32 i, n_bytes, dump_msg = tm->verbose; |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 68 | u8 *p; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 69 | unserialize_integer (m, &n_bytes, sizeof (n_bytes)); |
| 70 | p = unserialize_get (m, n_bytes); |
| 71 | if (tm->validate) |
| 72 | for (i = 0; i < n_bytes; i++) |
| 73 | if (p[i] != ((tm->rx_serial + i) & 0xff)) |
| 74 | { |
| 75 | clib_warning ("corrupt msg at offset %d", i); |
| 76 | dump_msg = 1; |
| 77 | break; |
| 78 | } |
| 79 | if (dump_msg) |
| 80 | clib_warning ("got %d bytes, %U", n_bytes, format_hex_bytes, p, n_bytes); |
| 81 | tm->rx_serial += n_bytes; |
| 82 | } |
| 83 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 84 | MC_SERIALIZE_MSG (test_msg, static) = |
| 85 | { |
| 86 | .name = "test_msg",.serialize = serialize_test_msg,.unserialize = |
| 87 | unserialize_test_msg,}; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 88 | |
| 89 | #define SERIALIZE 1 |
| 90 | |
| 91 | #define EVENT_JOIN_STREAM 10 |
| 92 | #define EVENT_SEND_DATA 11 |
| 93 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 94 | static void |
| 95 | test_rx_callback (mc_main_t * mcm, |
| 96 | mc_stream_t * stream, |
| 97 | mc_peer_id_t peer_id, u32 buffer_index) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 98 | { |
| 99 | if (SERIALIZE) |
| 100 | { |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 101 | return mc_unserialize (mcm, stream, buffer_index); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 102 | } |
| 103 | else |
| 104 | { |
| 105 | #if DEBUG > 1 |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 106 | vlib_main_t *vm = mcm->vlib_main; |
| 107 | vlib_buffer_t *b = vlib_get_buffer (vm, buffer_index); |
| 108 | u8 *dp = vlib_buffer_get_current (b); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 109 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 110 | fformat (stdout, "RX from %U %U\n", |
| 111 | stream->transport->format_peer_id, peer_id, |
| 112 | format_hex_bytes, dp, tm->n_msg_bytes); |
| 113 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 114 | #endif |
| 115 | } |
| 116 | } |
| 117 | |
| 118 | static u8 * |
| 119 | test_snapshot_callback (mc_main_t * mcm, |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 120 | u8 * data_vector, u32 last_global_sequence_processed) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 121 | { |
| 122 | if (SERIALIZE) |
| 123 | { |
| 124 | serialize_main_t m; |
| 125 | |
| 126 | /* Append serialized data to data vector. */ |
| 127 | serialize_open_vector (&m, data_vector); |
| 128 | m.stream.current_buffer_index = vec_len (data_vector); |
| 129 | |
| 130 | return serialize_close_vector (&m); |
| 131 | } |
| 132 | else |
| 133 | return format (data_vector, |
| 134 | "snapshot, last global seq 0x%x", |
| 135 | last_global_sequence_processed); |
| 136 | } |
| 137 | |
| 138 | static void |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 139 | test_handle_snapshot_callback (mc_main_t * mcm, u8 * data, u32 n_data_bytes) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 140 | { |
| 141 | if (SERIALIZE) |
| 142 | { |
| 143 | serialize_main_t s; |
| 144 | unserialize_open_data (&s, data, n_data_bytes); |
| 145 | } |
| 146 | else |
| 147 | clib_warning ("snapshot `%*s'", n_data_bytes, data); |
| 148 | } |
| 149 | |
| 150 | static mc_socket_main_t mc_socket_main; |
| 151 | |
| 152 | static uword |
| 153 | mc_test_process (vlib_main_t * vm, |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 154 | vlib_node_runtime_t * node, vlib_frame_t * f) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 155 | { |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 156 | mc_test_main_t *tm = &mc_test_main; |
| 157 | mc_socket_main_t *msm = &mc_socket_main; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 158 | mc_main_t *mcm = &msm->mc_main; |
| 159 | uword event_type, *event_data = 0; |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 160 | u32 data_serial = 0, stream_index; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 161 | f64 delay; |
| 162 | mc_stream_config_t config; |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 163 | clib_error_t *error; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 164 | int i; |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 165 | char *intfcs[] = { "eth1", "eth0", "ce" }; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 166 | |
Dave Barach | b7b9299 | 2018-10-17 10:38:51 -0400 | [diff] [blame^] | 167 | clib_memset (&config, 0, sizeof (config)); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 168 | config.name = "test"; |
| 169 | config.window_size = tm->window_size; |
| 170 | config.rx_buffer = test_rx_callback; |
| 171 | config.catchup_snapshot = test_snapshot_callback; |
| 172 | config.catchup = test_handle_snapshot_callback; |
| 173 | stream_index = ~0; |
| 174 | |
| 175 | msm->multicast_tx_ip4_address_host_byte_order = 0xefff0100; |
| 176 | msm->base_multicast_udp_port_host_byte_order = 0xffab; |
| 177 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 178 | error = mc_socket_main_init (&mc_socket_main, intfcs, ARRAY_LEN (intfcs)); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 179 | if (error) |
| 180 | { |
| 181 | clib_error_report (error); |
| 182 | exit (1); |
| 183 | } |
| 184 | |
| 185 | mcm->we_can_be_relay_master = 1; |
| 186 | |
| 187 | while (1) |
| 188 | { |
| 189 | vlib_process_wait_for_event (vm); |
| 190 | event_type = vlib_process_get_events (vm, &event_data); |
| 191 | |
| 192 | switch (event_type) |
| 193 | { |
| 194 | case EVENT_JOIN_STREAM: |
| 195 | stream_index = mc_stream_join (mcm, &config); |
| 196 | break; |
| 197 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 198 | case EVENT_SEND_DATA: |
| 199 | { |
| 200 | f64 times[2]; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 201 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 202 | if (stream_index == ~0) |
| 203 | stream_index = mc_stream_join (mcm, &config); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 204 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 205 | times[0] = vlib_time_now (vm); |
| 206 | for (i = 0; i < event_data[0]; i++) |
| 207 | { |
| 208 | u32 bi; |
| 209 | if (SERIALIZE) |
| 210 | { |
| 211 | mc_serialize_stream (mcm, stream_index, &test_msg, |
| 212 | data_serial); |
| 213 | } |
| 214 | else |
| 215 | { |
| 216 | u8 *mp; |
| 217 | mp = mc_get_vlib_buffer (vm, sizeof (mp[0]), &bi); |
| 218 | mp[0] = data_serial; |
| 219 | mc_stream_send (mcm, stream_index, bi); |
| 220 | } |
| 221 | if (tm->min_delay > 0) |
| 222 | { |
| 223 | delay = |
| 224 | tm->min_delay + |
| 225 | random_f64 (&tm->seed) * (tm->max_delay - |
| 226 | tm->min_delay); |
| 227 | vlib_process_suspend (vm, delay); |
| 228 | } |
| 229 | data_serial++; |
| 230 | } |
| 231 | times[1] = vlib_time_now (vm); |
| 232 | clib_warning ("done sending %d; %.4e per sec", |
| 233 | event_data[0], |
| 234 | (f64) event_data[0] / (times[1] - times[0])); |
| 235 | break; |
| 236 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 237 | |
| 238 | default: |
| 239 | clib_warning ("bug"); |
| 240 | break; |
| 241 | } |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 242 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 243 | if (event_data) |
| 244 | _vec_len (event_data) = 0; |
| 245 | } |
| 246 | } |
| 247 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 248 | /* *INDENT-OFF* */ |
| 249 | VLIB_REGISTER_NODE (mc_test_process_node, static) = |
| 250 | { |
| 251 | .function = mc_test_process,.type = VLIB_NODE_TYPE_PROCESS,.name = |
| 252 | "mc-test-process",}; |
| 253 | /* *INDENT-ON* */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 254 | |
| 255 | static clib_error_t * |
| 256 | mc_test_command (vlib_main_t * vm, |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 257 | unformat_input_t * input, vlib_cli_command_t * cmd) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 258 | { |
| 259 | f64 npkts = 10; |
| 260 | |
| 261 | if (unformat (input, "join")) |
| 262 | { |
| 263 | vlib_cli_output (vm, "Join stream...\n"); |
| 264 | vlib_process_signal_event (vm, mc_test_process_node.index, |
| 265 | EVENT_JOIN_STREAM, 0); |
| 266 | return 0; |
| 267 | } |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 268 | else if (unformat (input, "send %f", &npkts) || unformat (input, "send")) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 269 | { |
| 270 | vlib_process_signal_event (vm, mc_test_process_node.index, |
| 271 | EVENT_SEND_DATA, (uword) npkts); |
| 272 | vlib_cli_output (vm, "Send %.0f pkts...\n", npkts); |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 273 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 274 | return 0; |
| 275 | } |
| 276 | else |
| 277 | return unformat_parse_error (input); |
| 278 | } |
| 279 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 280 | /* *INDENT-OFF* */ |
| 281 | VLIB_CLI_COMMAND (test_mc_command, static) = |
| 282 | { |
| 283 | .path = "test mc",.short_help = "Test mc command",.function = |
| 284 | mc_test_command,}; |
| 285 | /* *INDENT-ON* */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 286 | |
| 287 | static clib_error_t * |
| 288 | mc_show_command (vlib_main_t * vm, |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 289 | unformat_input_t * input, vlib_cli_command_t * cmd) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 290 | { |
| 291 | mc_main_t *mcm = &mc_socket_main.mc_main; |
| 292 | vlib_cli_output (vm, "%U", format_mc_main, mcm); |
| 293 | return 0; |
| 294 | } |
| 295 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 296 | /* *INDENT-OFF* */ |
| 297 | VLIB_CLI_COMMAND (show_mc_command, static) = |
| 298 | { |
| 299 | .path = "show mc",.short_help = "Show mc command",.function = |
| 300 | mc_show_command,}; |
| 301 | /* *INDENT-ON* */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 302 | |
| 303 | static clib_error_t * |
| 304 | mc_clear_command (vlib_main_t * vm, |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 305 | unformat_input_t * input, vlib_cli_command_t * cmd) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 306 | { |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 307 | mc_main_t *mcm = &mc_socket_main.mc_main; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 308 | mc_clear_stream_stats (mcm); |
| 309 | return 0; |
| 310 | } |
| 311 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 312 | /* *INDENT-OFF* */ |
| 313 | VLIB_CLI_COMMAND (clear_mc_command, static) = |
| 314 | { |
| 315 | .path = "clear mc",.short_help = "Clear mc command",.function = |
| 316 | mc_clear_command,}; |
| 317 | /* *INDENT-ON* */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 318 | |
| 319 | static clib_error_t * |
| 320 | mc_config (vlib_main_t * vm, unformat_input_t * input) |
| 321 | { |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 322 | mc_test_main_t *tm = &mc_test_main; |
| 323 | mc_socket_main_t *msm = &mc_socket_main; |
| 324 | clib_error_t *error = 0; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 325 | |
| 326 | tm->min_n_msg_bytes = 4; |
| 327 | tm->max_n_msg_bytes = 4; |
| 328 | tm->window_size = 8; |
| 329 | tm->seed = getpid (); |
| 330 | tm->verbose = 0; |
| 331 | tm->validate = 1; |
| 332 | tm->min_delay = 10e-6; |
| 333 | tm->max_delay = 10e-3; |
| 334 | tm->n_packets_to_send = 0; |
| 335 | while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) |
| 336 | { |
| 337 | if (unformat (input, "interface %s", &msm->multicast_interface_name)) |
| 338 | ; |
| 339 | |
| 340 | else if (unformat (input, "n-bytes %d", &tm->max_n_msg_bytes)) |
| 341 | tm->min_n_msg_bytes = tm->max_n_msg_bytes; |
| 342 | else if (unformat (input, "max-n-bytes %d", &tm->max_n_msg_bytes)) |
| 343 | ; |
| 344 | else if (unformat (input, "min-n-bytes %d", &tm->min_n_msg_bytes)) |
| 345 | ; |
| 346 | else if (unformat (input, "seed %d", &tm->seed)) |
| 347 | ; |
| 348 | else if (unformat (input, "window %d", &tm->window_size)) |
| 349 | ; |
| 350 | else if (unformat (input, "verbose")) |
| 351 | tm->verbose = 1; |
| 352 | else if (unformat (input, "no-validate")) |
| 353 | tm->validate = 0; |
| 354 | else if (unformat (input, "min-delay %f", &tm->min_delay)) |
| 355 | ; |
| 356 | else if (unformat (input, "max-delay %f", &tm->max_delay)) |
| 357 | ; |
| 358 | else if (unformat (input, "no-delay")) |
| 359 | tm->min_delay = tm->max_delay = 0; |
| 360 | else if (unformat (input, "n-packets %f", &tm->n_packets_to_send)) |
| 361 | ; |
| 362 | |
| 363 | else |
| 364 | return clib_error_return (0, "unknown input `%U'", |
| 365 | format_unformat_error, input); |
| 366 | } |
| 367 | |
| 368 | if (tm->n_packets_to_send > 0) |
| 369 | vlib_process_signal_event (vm, mc_test_process_node.index, |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 370 | EVENT_SEND_DATA, |
| 371 | (uword) tm->n_packets_to_send); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 372 | |
| 373 | return error; |
| 374 | } |
| 375 | |
| 376 | VLIB_CONFIG_FUNCTION (mc_config, "mc"); |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 377 | |
| 378 | /* |
| 379 | * fd.io coding-style-patch-verification: ON |
| 380 | * |
| 381 | * Local Variables: |
| 382 | * eval: (c-set-style "gnu") |
| 383 | * End: |
| 384 | */ |