Neels Hofmeyr | faa49e2 | 2019-01-31 09:06:53 +0100 | [diff] [blame] | 1 | /* Test implementation for VTY transcript testing. */ |
| 2 | /* |
| 3 | * (C) 2019 by sysmocom s.f.m.c. GmbH <info@sysmocom.de> |
| 4 | * |
| 5 | * All Rights Reserved |
| 6 | * |
| 7 | * SPDX-License-Identifier: GPL-2.0+ |
| 8 | * |
| 9 | * Author: Neels Hofmeyr <nhofmeyr@sysmocom.de> |
| 10 | * |
| 11 | * This program is free software; you can redistribute it and/or modify |
| 12 | * it under the terms of the GNU General Public License as published by |
| 13 | * the Free Software Foundation; either version 2 of the License, or |
| 14 | * (at your option) any later version. |
| 15 | * |
| 16 | * This program is distributed in the hope that it will be useful, |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | * GNU General Public License for more details. |
Neels Hofmeyr | faa49e2 | 2019-01-31 09:06:53 +0100 | [diff] [blame] | 20 | */ |
| 21 | |
| 22 | #define _GNU_SOURCE |
| 23 | #include <getopt.h> |
| 24 | #include <signal.h> |
| 25 | #include <limits.h> |
| 26 | #include <string.h> |
| 27 | |
| 28 | #include <osmocom/core/application.h> |
| 29 | |
| 30 | #include <osmocom/vty/command.h> |
| 31 | #include <osmocom/vty/misc.h> |
| 32 | #include <osmocom/vty/telnet_interface.h> |
| 33 | |
| 34 | #include <stdlib.h> |
| 35 | |
| 36 | #include "config.h" |
| 37 | |
| 38 | void *root_ctx = NULL; |
| 39 | |
Harald Welte | e61d459 | 2022-11-03 11:05:58 +0100 | [diff] [blame] | 40 | static void print_help(void) |
Neels Hofmeyr | faa49e2 | 2019-01-31 09:06:53 +0100 | [diff] [blame] | 41 | { |
| 42 | printf( "options:\n" |
| 43 | " -h --help this text\n" |
| 44 | " -d --debug MASK Enable debugging (e.g. -d DRSL:DOML:DLAPDM)\n" |
| 45 | " -D --daemonize For the process into a background daemon\n" |
| 46 | " -c --config-file Specify the filename of the config file\n" |
| 47 | " -s --disable-color Don't use colors in stderr log output\n" |
| 48 | " -T --timestamp Prefix every log line with a timestamp\n" |
| 49 | " -V --version Print version information and exit\n" |
| 50 | " -e --log-level Set a global log-level\n" |
| 51 | ); |
| 52 | } |
| 53 | |
| 54 | static struct { |
| 55 | const char *config_file; |
| 56 | int daemonize; |
| 57 | } cmdline_config = {}; |
| 58 | |
| 59 | static void handle_options(int argc, char **argv) |
| 60 | { |
| 61 | while (1) { |
| 62 | int option_idx = 0, c; |
| 63 | static const struct option long_options[] = { |
| 64 | { "help", 0, 0, 'h' }, |
| 65 | { "debug", 1, 0, 'd' }, |
| 66 | { "daemonize", 0, 0, 'D' }, |
| 67 | { "config-file", 1, 0, 'c' }, |
| 68 | { "disable-color", 0, 0, 's' }, |
| 69 | { "timestamp", 0, 0, 'T' }, |
| 70 | { "version", 0, 0, 'V' }, |
| 71 | { "log-level", 1, 0, 'e' }, |
| 72 | {} |
| 73 | }; |
| 74 | |
| 75 | c = getopt_long(argc, argv, "hc:d:Dc:sTVe:", |
| 76 | long_options, &option_idx); |
| 77 | if (c == -1) |
| 78 | break; |
| 79 | |
| 80 | switch (c) { |
| 81 | case 'h': |
| 82 | print_help(); |
| 83 | exit(0); |
| 84 | case 's': |
| 85 | log_set_use_color(osmo_stderr_target, 0); |
| 86 | break; |
| 87 | case 'd': |
| 88 | log_parse_category_mask(osmo_stderr_target, optarg); |
| 89 | break; |
| 90 | case 'D': |
| 91 | cmdline_config.daemonize = 1; |
| 92 | break; |
| 93 | case 'c': |
| 94 | cmdline_config.config_file = optarg; |
| 95 | break; |
| 96 | case 'T': |
| 97 | log_set_print_timestamp(osmo_stderr_target, 1); |
| 98 | break; |
| 99 | case 'e': |
| 100 | log_set_log_level(osmo_stderr_target, atoi(optarg)); |
| 101 | break; |
| 102 | case 'V': |
| 103 | print_version(1); |
| 104 | exit(0); |
| 105 | break; |
| 106 | default: |
| 107 | /* catch unknown options *as well as* missing arguments. */ |
| 108 | fprintf(stderr, "Error in command line options. Exiting.\n"); |
| 109 | exit(-1); |
| 110 | } |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | static int quit = 0; |
| 115 | |
| 116 | static void signal_handler(int signal) |
| 117 | { |
| 118 | fprintf(stdout, "signal %u received\n", signal); |
| 119 | |
| 120 | switch (signal) { |
| 121 | case SIGINT: |
| 122 | case SIGTERM: |
| 123 | quit++; |
| 124 | break; |
| 125 | case SIGABRT: |
| 126 | osmo_generate_backtrace(); |
| 127 | /* in case of abort, we want to obtain a talloc report |
| 128 | * and then return to the caller, who will abort the process */ |
| 129 | case SIGUSR1: |
| 130 | talloc_report(tall_vty_ctx, stderr); |
| 131 | talloc_report_full(root_ctx, stderr); |
| 132 | break; |
| 133 | case SIGUSR2: |
| 134 | talloc_report_full(tall_vty_ctx, stderr); |
| 135 | break; |
| 136 | default: |
| 137 | break; |
| 138 | } |
| 139 | } |
| 140 | |
Vadim Yanitskiy | 9a28d3c | 2020-10-07 02:47:52 +0700 | [diff] [blame] | 141 | /* Application specific VTY attributes */ |
| 142 | enum { |
| 143 | TEST_ATTR_UNBELIEVABLE, |
| 144 | TEST_ATTR_MAGNIFICENT, |
| 145 | TEST_ATTR_WONDERFUL, |
| 146 | TEST_ATTR_UNUSED, |
| 147 | }; |
| 148 | |
Neels Hofmeyr | faa49e2 | 2019-01-31 09:06:53 +0100 | [diff] [blame] | 149 | static struct vty_app_info vty_info = { |
| 150 | .name = "vty_transcript_test", |
| 151 | .version = PACKAGE_VERSION, |
Vadim Yanitskiy | 9a28d3c | 2020-10-07 02:47:52 +0700 | [diff] [blame] | 152 | .usr_attr_desc = { |
| 153 | /* Some random description strings, who cares... */ |
| 154 | [TEST_ATTR_UNBELIEVABLE] = \ |
| 155 | "Unbelievable: not able to be believed; unlikely to be true", |
| 156 | [TEST_ATTR_MAGNIFICENT] = \ |
| 157 | "Magnificent: impressively beautiful, elaborate, or extravagant", |
| 158 | [TEST_ATTR_WONDERFUL] = \ |
| 159 | "Wonderful: inspiring delight, pleasure, or admiration", |
| 160 | [TEST_ATTR_UNUSED] = \ |
| 161 | "Intentionally unused attribute, ignore me", |
| 162 | }, |
| 163 | .usr_attr_letters = { |
| 164 | [TEST_ATTR_UNBELIEVABLE] = 'u', |
| 165 | [TEST_ATTR_MAGNIFICENT] = 'm', |
| 166 | [TEST_ATTR_WONDERFUL] = 'w', |
| 167 | [TEST_ATTR_UNUSED] = 'n', |
| 168 | }, |
Neels Hofmeyr | faa49e2 | 2019-01-31 09:06:53 +0100 | [diff] [blame] | 169 | }; |
| 170 | |
| 171 | static const struct log_info_cat default_categories[] = {}; |
| 172 | |
| 173 | const struct log_info log_info = { |
| 174 | .cat = default_categories, |
| 175 | .num_cat = ARRAY_SIZE(default_categories), |
| 176 | }; |
| 177 | |
Pau Espin Pedrol | 14aadd5 | 2019-06-12 18:34:34 +0200 | [diff] [blame] | 178 | DEFUN(single0, single0_cmd, |
| 179 | "single0 [one]", |
| 180 | "single0 test command\n" "1\n") |
| 181 | { |
| 182 | vty_out(vty, "ok argc=%d%s%s%s", argc, argc ? " " : "", argc ? argv[0] : "", VTY_NEWLINE); |
| 183 | return CMD_SUCCESS; |
| 184 | } |
| 185 | |
Neels Hofmeyr | faa49e2 | 2019-01-31 09:06:53 +0100 | [diff] [blame] | 186 | DEFUN(multi0, multi0_cmd, |
| 187 | "multi0 (one|two|three)", |
| 188 | "multi0 test command\n" "1\n2\n3\n") |
| 189 | { |
| 190 | vty_out(vty, "ok argc=%d%s%s%s", argc, argc ? " " : "", argc ? argv[0] : "", VTY_NEWLINE); |
| 191 | return CMD_SUCCESS; |
| 192 | } |
| 193 | |
| 194 | DEFUN(multi1, multi1_cmd, |
| 195 | "multi1 ([one]|[two]|[three])", |
| 196 | "multi1 test command\n" "1\n2\n3\n") |
| 197 | { |
| 198 | vty_out(vty, "ok argc=%d%s%s%s", argc, argc ? " " : "", argc ? argv[0] : "", VTY_NEWLINE); |
| 199 | return CMD_SUCCESS; |
| 200 | } |
| 201 | |
Neels Hofmeyr | b55f4d2 | 2019-01-31 08:13:31 +0100 | [diff] [blame] | 202 | DEFUN(multi2, multi2_cmd, |
| 203 | "multi2 [(one|two|three)]", |
| 204 | "multi2 test command\n" "1\n2\n3\n") |
| 205 | { |
| 206 | vty_out(vty, "ok argc=%d%s%s%s", argc, argc ? " " : "", argc ? argv[0] : "", VTY_NEWLINE); |
| 207 | return CMD_SUCCESS; |
| 208 | } |
| 209 | |
Vadim Yanitskiy | 9a28d3c | 2020-10-07 02:47:52 +0700 | [diff] [blame] | 210 | #define X(f) (1 << f) |
| 211 | |
| 212 | enum { |
| 213 | ATTR_TEST_NODE = _LAST_OSMOVTY_NODE + 1, |
| 214 | }; |
| 215 | |
| 216 | static struct cmd_node attr_test_node = { |
| 217 | ATTR_TEST_NODE, |
| 218 | "%s(config-attr-test)# ", |
| 219 | 1 |
| 220 | }; |
| 221 | |
| 222 | DEFUN(cfg_attr_test, cfg_attr_test_cmd, |
| 223 | "attribute-test", |
| 224 | "Enter attribute test node\n") |
| 225 | { |
| 226 | vty->index = NULL; |
| 227 | vty->node = ATTR_TEST_NODE; |
| 228 | return CMD_SUCCESS; |
| 229 | } |
| 230 | |
Vadim Yanitskiy | 72b9088 | 2020-10-21 05:07:34 +0700 | [diff] [blame] | 231 | DEFUN_DEPRECATED(cfg_attr_deprecated, |
| 232 | cfg_attr_deprecated_cmd, |
| 233 | "foo-deprecated", |
| 234 | "This command is deprecated\n") |
| 235 | { |
| 236 | return CMD_WARNING; |
| 237 | } |
| 238 | |
| 239 | DEFUN_HIDDEN(cfg_attr_hidden, |
| 240 | cfg_attr_hidden_cmd, |
| 241 | "foo-hidden [expert-mode]", |
| 242 | "This command is hidden\n" |
| 243 | "But can be seen in the expert mode\n") |
| 244 | { |
| 245 | return CMD_SUCCESS; |
| 246 | } |
| 247 | |
Vadim Yanitskiy | 9a28d3c | 2020-10-07 02:47:52 +0700 | [diff] [blame] | 248 | DEFUN_ATTR(cfg_attr_immediate, cfg_attr_immediate_cmd, |
| 249 | "foo-immediate", |
| 250 | "Applies immediately\n", |
| 251 | CMD_ATTR_IMMEDIATE) |
| 252 | { |
| 253 | return CMD_SUCCESS; |
| 254 | } |
| 255 | |
| 256 | DEFUN_ATTR(cfg_attr_node_exit, cfg_attr_node_exit_cmd, |
| 257 | "foo-node-exit", |
| 258 | "Applies on node exit\n", |
| 259 | CMD_ATTR_NODE_EXIT) |
| 260 | { |
| 261 | return CMD_SUCCESS; |
| 262 | } |
| 263 | |
| 264 | DEFUN_USRATTR(cfg_app_attr_unbelievable, |
| 265 | cfg_app_attr_unbelievable_cmd, |
| 266 | X(TEST_ATTR_UNBELIEVABLE), |
| 267 | "app-unbelievable", |
| 268 | "Unbelievable help message\n") |
| 269 | { |
| 270 | return CMD_SUCCESS; |
| 271 | } |
| 272 | |
| 273 | DEFUN_USRATTR(cfg_app_attr_magnificent, |
| 274 | cfg_app_attr_magnificent_cmd, |
| 275 | X(TEST_ATTR_MAGNIFICENT), |
| 276 | "app-magnificent", |
| 277 | "Magnificent help message\n") |
| 278 | { |
| 279 | return CMD_SUCCESS; |
| 280 | } |
| 281 | |
| 282 | DEFUN_USRATTR(cfg_app_attr_wonderful, |
| 283 | cfg_app_attr_wonderful_cmd, |
| 284 | X(TEST_ATTR_WONDERFUL), |
| 285 | "app-wonderful", |
| 286 | "Wonderful help message\n") |
| 287 | { |
| 288 | return CMD_SUCCESS; |
| 289 | } |
| 290 | |
| 291 | DEFUN_USRATTR(cfg_app_attr_unbelievable_magnificent, |
| 292 | cfg_app_attr_unbelievable_magnificent_cmd, |
| 293 | X(TEST_ATTR_UNBELIEVABLE) | X(TEST_ATTR_MAGNIFICENT), |
| 294 | "app-unbelievable-magnificent", |
| 295 | "Unbelievable & magnificent help message\n") |
| 296 | { |
| 297 | return CMD_SUCCESS; |
| 298 | } |
| 299 | |
| 300 | DEFUN_USRATTR(cfg_app_attr_unbelievable_wonderful, |
| 301 | cfg_app_attr_unbelievable_wonderful_cmd, |
| 302 | X(TEST_ATTR_UNBELIEVABLE) | X(TEST_ATTR_WONDERFUL), |
| 303 | "app-unbelievable-wonderful", |
| 304 | "Unbelievable & wonderful help message\n") |
| 305 | { |
| 306 | return CMD_SUCCESS; |
| 307 | } |
| 308 | |
Vadim Yanitskiy | 72b9088 | 2020-10-21 05:07:34 +0700 | [diff] [blame] | 309 | DEFUN_ATTR_USRATTR(cfg_attr_hidden_app_attr_unbelievable, |
| 310 | cfg_attr_hidden_app_attr_unbelievable_cmd, |
| 311 | CMD_ATTR_HIDDEN, X(TEST_ATTR_UNBELIEVABLE), |
| 312 | "app-hidden-unbelievable", |
| 313 | "Hidden, but still unbelievable help message\n") |
| 314 | { |
| 315 | return CMD_SUCCESS; |
| 316 | } |
| 317 | |
Harald Welte | e61d459 | 2022-11-03 11:05:58 +0100 | [diff] [blame] | 318 | static void init_vty_cmds(void) |
Neels Hofmeyr | faa49e2 | 2019-01-31 09:06:53 +0100 | [diff] [blame] | 319 | { |
Pau Espin Pedrol | 14aadd5 | 2019-06-12 18:34:34 +0200 | [diff] [blame] | 320 | install_element_ve(&single0_cmd); |
Neels Hofmeyr | faa49e2 | 2019-01-31 09:06:53 +0100 | [diff] [blame] | 321 | install_element_ve(&multi0_cmd); |
| 322 | install_element_ve(&multi1_cmd); |
Neels Hofmeyr | b55f4d2 | 2019-01-31 08:13:31 +0100 | [diff] [blame] | 323 | install_element_ve(&multi2_cmd); |
Vadim Yanitskiy | 9a28d3c | 2020-10-07 02:47:52 +0700 | [diff] [blame] | 324 | |
| 325 | install_element(CONFIG_NODE, &cfg_attr_test_cmd); |
| 326 | install_node(&attr_test_node, NULL); |
Vadim Yanitskiy | 72b9088 | 2020-10-21 05:07:34 +0700 | [diff] [blame] | 327 | install_element(ATTR_TEST_NODE, &cfg_attr_deprecated_cmd); |
| 328 | install_element(ATTR_TEST_NODE, &cfg_attr_hidden_cmd); |
Vadim Yanitskiy | 9a28d3c | 2020-10-07 02:47:52 +0700 | [diff] [blame] | 329 | install_element(ATTR_TEST_NODE, &cfg_attr_immediate_cmd); |
| 330 | install_element(ATTR_TEST_NODE, &cfg_attr_node_exit_cmd); |
| 331 | |
| 332 | install_element(ATTR_TEST_NODE, &cfg_app_attr_unbelievable_cmd); |
| 333 | install_element(ATTR_TEST_NODE, &cfg_app_attr_magnificent_cmd); |
| 334 | install_element(ATTR_TEST_NODE, &cfg_app_attr_wonderful_cmd); |
| 335 | |
| 336 | install_element(ATTR_TEST_NODE, &cfg_app_attr_unbelievable_magnificent_cmd); |
| 337 | install_element(ATTR_TEST_NODE, &cfg_app_attr_unbelievable_wonderful_cmd); |
Vadim Yanitskiy | 72b9088 | 2020-10-21 05:07:34 +0700 | [diff] [blame] | 338 | install_element(ATTR_TEST_NODE, &cfg_attr_hidden_app_attr_unbelievable_cmd); |
Neels Hofmeyr | faa49e2 | 2019-01-31 09:06:53 +0100 | [diff] [blame] | 339 | } |
| 340 | |
| 341 | int main(int argc, char **argv) |
| 342 | { |
| 343 | int rc; |
| 344 | |
| 345 | root_ctx = talloc_named_const(NULL, 0, "vty_transcript_test"); |
| 346 | |
| 347 | vty_info.tall_ctx = root_ctx; |
| 348 | vty_init(&vty_info); |
| 349 | osmo_talloc_vty_add_cmds(); |
| 350 | init_vty_cmds(); |
| 351 | |
| 352 | osmo_init_logging2(root_ctx, &log_info); |
| 353 | |
| 354 | handle_options(argc, argv); |
| 355 | |
| 356 | if (cmdline_config.config_file) { |
| 357 | rc = vty_read_config_file(cmdline_config.config_file, NULL); |
| 358 | if (rc < 0) { |
| 359 | fprintf(stderr, "Failed to parse the config file: '%s'\n", cmdline_config.config_file); |
| 360 | return 1; |
| 361 | } |
| 362 | } |
| 363 | |
| 364 | rc = telnet_init_dynif(root_ctx, NULL, vty_get_bind_addr(), 42042); |
| 365 | if (rc < 0) |
| 366 | return 2; |
| 367 | |
| 368 | signal(SIGINT, &signal_handler); |
| 369 | signal(SIGTERM, &signal_handler); |
| 370 | signal(SIGABRT, &signal_handler); |
| 371 | signal(SIGUSR1, &signal_handler); |
| 372 | signal(SIGUSR2, &signal_handler); |
| 373 | osmo_init_ignore_signals(); |
| 374 | |
| 375 | if (cmdline_config.daemonize) { |
| 376 | rc = osmo_daemonize(); |
| 377 | if (rc < 0) { |
| 378 | perror("Error during daemonize"); |
| 379 | return 6; |
| 380 | } |
| 381 | } |
| 382 | |
| 383 | while (!quit) { |
| 384 | log_reset_context(); |
| 385 | osmo_select_main(0); |
| 386 | } |
| 387 | |
| 388 | talloc_free(root_ctx); |
| 389 | talloc_free(tall_vty_ctx); |
| 390 | |
| 391 | return 0; |
| 392 | } |