| 1 | /* |
| 2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; only version 2 |
| 7 | * of the License. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 17 | */ |
| 18 | |
| 19 | #define _GNU_SOURCE |
| 20 | #include <ctype.h> |
| 21 | #include <popt.h> |
| 22 | #include <stdio.h> |
| 23 | #include <stdlib.h> |
| 24 | #include <string.h> |
| 25 | #include <sys/stat.h> |
| 26 | #include <sys/types.h> |
| 27 | #include <unistd.h> |
| 28 | |
| 29 | #include <urcu/list.h> |
| 30 | |
| 31 | #include "../cmd.h" |
| 32 | #include "../conf.h" |
| 33 | #include "../utils.h" |
| 34 | |
| 35 | static char *opt_event_name; |
| 36 | static char *opt_channel_name; |
| 37 | static char *opt_session_name; |
| 38 | static int *opt_kernel; |
| 39 | static int opt_pid_all; |
| 40 | static int opt_userspace; |
| 41 | static char *opt_perf_type; |
| 42 | static char *opt_perf_id; |
| 43 | static pid_t opt_pid; |
| 44 | |
| 45 | enum { |
| 46 | OPT_HELP = 1, |
| 47 | OPT_TYPE, |
| 48 | }; |
| 49 | |
| 50 | /* |
| 51 | * Taken from the LTTng ABI |
| 52 | */ |
| 53 | enum context_type { |
| 54 | CONTEXT_PID = 0, |
| 55 | CONTEXT_PERF_COUNTER = 1, |
| 56 | CONTEXT_COMM = 2, |
| 57 | CONTEXT_PRIO = 3, |
| 58 | CONTEXT_NICE = 4, |
| 59 | CONTEXT_VPID = 5, |
| 60 | CONTEXT_TID = 6, |
| 61 | CONTEXT_VTID = 7, |
| 62 | CONTEXT_PPID = 8, |
| 63 | CONTEXT_VPPID = 9, |
| 64 | }; |
| 65 | |
| 66 | /* |
| 67 | * Taken from the Perf ABI (all enum perf_*) |
| 68 | */ |
| 69 | enum perf_type { |
| 70 | PERF_TYPE_HARDWARE = 0, |
| 71 | PERF_TYPE_SOFTWARE = 1, |
| 72 | }; |
| 73 | |
| 74 | enum perf_count_hard { |
| 75 | PERF_COUNT_HW_CPU_CYCLES = 0, |
| 76 | PERF_COUNT_HW_INSTRUCTIONS = 1, |
| 77 | PERF_COUNT_HW_CACHE_REFERENCES = 2, |
| 78 | PERF_COUNT_HW_CACHE_MISSES = 3, |
| 79 | PERF_COUNT_HW_BRANCH_INSTRUCTIONS = 4, |
| 80 | PERF_COUNT_HW_BRANCH_MISSES = 5, |
| 81 | PERF_COUNT_HW_BUS_CYCLES = 6, |
| 82 | }; |
| 83 | |
| 84 | enum perf_count_soft { |
| 85 | PERF_COUNT_SW_CPU_CLOCK = 0, |
| 86 | PERF_COUNT_SW_TASK_CLOCK = 1, |
| 87 | PERF_COUNT_SW_PAGE_FAULTS = 2, |
| 88 | PERF_COUNT_SW_CONTEXT_SWITCHES = 3, |
| 89 | PERF_COUNT_SW_CPU_MIGRATIONS = 4, |
| 90 | PERF_COUNT_SW_PAGE_FAULTS_MIN = 5, |
| 91 | PERF_COUNT_SW_PAGE_FAULTS_MAJ = 6, |
| 92 | PERF_COUNT_SW_ALIGNMENT_FAULTS = 7, |
| 93 | PERF_COUNT_SW_EMULATION_FAULTS = 8, |
| 94 | }; |
| 95 | |
| 96 | static struct poptOption long_options[] = { |
| 97 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ |
| 98 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, |
| 99 | {"session", 's', POPT_ARG_STRING, &opt_session_name, 0, 0, 0}, |
| 100 | {"channel", 'c', POPT_ARG_STRING, &opt_channel_name, 0, 0, 0}, |
| 101 | {"event", 'e', POPT_ARG_STRING, &opt_event_name, 0, 0, 0}, |
| 102 | {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, |
| 103 | {"userspace", 'u', POPT_ARG_VAL, &opt_userspace, 1, 0, 0}, |
| 104 | {"all", 0, POPT_ARG_VAL, &opt_pid_all, 1, 0, 0}, |
| 105 | {"pid", 'p', POPT_ARG_INT, &opt_pid, 0, 0, 0}, |
| 106 | {"type", 't', POPT_ARG_STRING, 0, OPT_TYPE, 0, 0}, |
| 107 | {"perf-type", 0, POPT_ARG_STRING, &opt_perf_type, 0, 0, 0}, |
| 108 | {"perf-id", 0, POPT_ARG_STRING, &opt_perf_id, 0, 0, 0}, |
| 109 | {0, 0, 0, 0, 0, 0, 0} |
| 110 | }; |
| 111 | |
| 112 | /* |
| 113 | * Context type for command line option parsing. |
| 114 | */ |
| 115 | struct ctx_type { |
| 116 | int type; |
| 117 | struct cds_list_head list; |
| 118 | }; |
| 119 | |
| 120 | /* |
| 121 | * Perf counter type |
| 122 | */ |
| 123 | static struct ctx_perf_type { |
| 124 | enum perf_type value; |
| 125 | char *symbol; |
| 126 | } ctx_perf_type[] = { |
| 127 | { PERF_TYPE_HARDWARE, "hw" }, |
| 128 | { PERF_TYPE_SOFTWARE, "sw" }, |
| 129 | }; |
| 130 | |
| 131 | /* |
| 132 | * Perf counter IDs |
| 133 | */ |
| 134 | static struct ctx_perf { |
| 135 | enum perf_type type; |
| 136 | union { |
| 137 | enum perf_count_hard hard; |
| 138 | enum perf_count_soft soft; |
| 139 | } id; |
| 140 | char *symbol; |
| 141 | } ctx_perf[] = { |
| 142 | /* Hardware counter */ |
| 143 | { PERF_TYPE_HARDWARE, .id.hard = PERF_COUNT_HW_CPU_CYCLES, "cpu_cycles" }, |
| 144 | { PERF_TYPE_HARDWARE, .id.hard = PERF_COUNT_HW_INSTRUCTIONS, "instr" }, |
| 145 | { PERF_TYPE_HARDWARE, .id.hard = PERF_COUNT_HW_CACHE_REFERENCES, "cache_refs" }, |
| 146 | { PERF_TYPE_HARDWARE, .id.hard = PERF_COUNT_HW_CACHE_MISSES, "cache_miss" }, |
| 147 | { PERF_TYPE_HARDWARE, .id.hard = PERF_COUNT_HW_BRANCH_INSTRUCTIONS, "branch_instr" }, |
| 148 | { PERF_TYPE_HARDWARE, .id.hard = PERF_COUNT_HW_BRANCH_MISSES, "branch_miss" }, |
| 149 | { PERF_TYPE_HARDWARE, .id.hard = PERF_COUNT_HW_BUS_CYCLES, "bus_cycles" }, |
| 150 | /* Sofware counter */ |
| 151 | { PERF_TYPE_SOFTWARE, .id.soft = PERF_COUNT_SW_CPU_CLOCK, "cpu_clock" }, |
| 152 | { PERF_TYPE_SOFTWARE, .id.soft = PERF_COUNT_SW_TASK_CLOCK, "task_clock" }, |
| 153 | { PERF_TYPE_SOFTWARE, .id.soft = PERF_COUNT_SW_PAGE_FAULTS, "page_faults" }, |
| 154 | { PERF_TYPE_SOFTWARE, .id.soft = PERF_COUNT_SW_CONTEXT_SWITCHES, "ctx_switches" }, |
| 155 | { PERF_TYPE_SOFTWARE, .id.soft = PERF_COUNT_SW_CPU_MIGRATIONS, "cpu_migration" }, |
| 156 | { PERF_TYPE_SOFTWARE, .id.soft = PERF_COUNT_SW_PAGE_FAULTS_MIN, "page_faults_minor" }, |
| 157 | { PERF_TYPE_SOFTWARE, .id.soft = PERF_COUNT_SW_PAGE_FAULTS_MAJ, "page_faults_major" }, |
| 158 | { PERF_TYPE_SOFTWARE, .id.soft = PERF_COUNT_SW_ALIGNMENT_FAULTS, "align_faults" }, |
| 159 | { PERF_TYPE_SOFTWARE, .id.soft = PERF_COUNT_SW_EMULATION_FAULTS, "emu_faults" }, |
| 160 | /* Closure */ |
| 161 | { -1, .id.hard = -1 , NULL }, |
| 162 | }; |
| 163 | |
| 164 | /* |
| 165 | * Context options |
| 166 | */ |
| 167 | static struct ctx_opts { |
| 168 | enum context_type value; |
| 169 | char *symbol; |
| 170 | } ctx_opts[] = { |
| 171 | { CONTEXT_PID, "pid" }, |
| 172 | { CONTEXT_PERF_COUNTER, "perf" }, |
| 173 | { CONTEXT_COMM, "comm" }, |
| 174 | { CONTEXT_PRIO, "prio" }, |
| 175 | { CONTEXT_NICE, "nice" }, |
| 176 | { CONTEXT_VPID, "vpid" }, |
| 177 | { CONTEXT_TID, "tid" }, |
| 178 | { CONTEXT_VTID, "vtid" }, |
| 179 | { CONTEXT_PPID, "ppid" }, |
| 180 | { CONTEXT_VPPID, "vppid" }, |
| 181 | { -1, NULL }, /* Closure */ |
| 182 | }; |
| 183 | |
| 184 | /* |
| 185 | * List of context type. Use to enable multiple context on a single command |
| 186 | * line entry. |
| 187 | */ |
| 188 | struct ctx_type_list { |
| 189 | struct cds_list_head head; |
| 190 | } ctx_type_list = { |
| 191 | .head = CDS_LIST_HEAD_INIT(ctx_type_list.head), |
| 192 | }; |
| 193 | |
| 194 | /* |
| 195 | * Pretty print perf type. |
| 196 | */ |
| 197 | static void print_perf_type(FILE *ofp) |
| 198 | { |
| 199 | fprintf(ofp, " "); |
| 200 | fprintf(ofp, "%s = %d, ", ctx_perf_type[0].symbol, ctx_perf_type[0].value); |
| 201 | fprintf(ofp, "%s = %d\n", ctx_perf_type[1].symbol, ctx_perf_type[1].value); |
| 202 | } |
| 203 | |
| 204 | /* |
| 205 | * Pretty print context type. |
| 206 | */ |
| 207 | static void print_ctx_type(FILE *ofp) |
| 208 | { |
| 209 | int i = 0; |
| 210 | |
| 211 | fprintf(ofp, " "); |
| 212 | while (ctx_opts[i].symbol != NULL) { |
| 213 | fprintf(ofp, "%s = %d, ", ctx_opts[i].symbol, ctx_opts[i].value); |
| 214 | i++; |
| 215 | if (!(i%3)) { |
| 216 | fprintf(ofp, "\n "); |
| 217 | } |
| 218 | } |
| 219 | } |
| 220 | |
| 221 | /* |
| 222 | * Pretty print perf hardware counter. |
| 223 | */ |
| 224 | static void print_perf_hw(FILE *ofp) |
| 225 | { |
| 226 | int i = 0, count = 0; |
| 227 | |
| 228 | fprintf(ofp, " "); |
| 229 | while (ctx_perf[i].symbol != NULL) { |
| 230 | if (ctx_perf[i].type == PERF_TYPE_HARDWARE) { |
| 231 | fprintf(ofp, "%s = %d, ", ctx_perf[i].symbol, ctx_perf[i].id.hard); |
| 232 | count++; |
| 233 | if (!(count % 3)) { |
| 234 | fprintf(ofp, "\n "); |
| 235 | } |
| 236 | } |
| 237 | i++; |
| 238 | } |
| 239 | fprintf(ofp, "\n"); |
| 240 | } |
| 241 | |
| 242 | /* |
| 243 | * Pretty print perf software counter. |
| 244 | */ |
| 245 | static void print_perf_sw(FILE *ofp) |
| 246 | { |
| 247 | int i = 0, count = 0; |
| 248 | |
| 249 | fprintf(ofp, " "); |
| 250 | while (ctx_perf[i].symbol != NULL) { |
| 251 | if (ctx_perf[i].type == PERF_TYPE_SOFTWARE) { |
| 252 | fprintf(ofp, "%s = %d, ", ctx_perf[i].symbol, ctx_perf[i].id.soft); |
| 253 | count++; |
| 254 | if (!(count % 3)) { |
| 255 | fprintf(ofp, "\n "); |
| 256 | } |
| 257 | } |
| 258 | i++; |
| 259 | } |
| 260 | fprintf(ofp, "\n"); |
| 261 | } |
| 262 | |
| 263 | /* |
| 264 | * usage |
| 265 | */ |
| 266 | static void usage(FILE *ofp) |
| 267 | { |
| 268 | fprintf(ofp, "usage: lttng add-context -t TYPE [options] [context_options]\n"); |
| 269 | fprintf(ofp, "\n"); |
| 270 | fprintf(ofp, "If no event name is given (-e), the context will be added to " |
| 271 | "all events in the channel.\n"); |
| 272 | fprintf(ofp, "If no channel and no event is given (-c/-e), the context " |
| 273 | "will be added to all events in all channels\n"); |
| 274 | fprintf(ofp, "\n"); |
| 275 | fprintf(ofp, "Options:\n"); |
| 276 | fprintf(ofp, " -h, --help Show this help\n"); |
| 277 | fprintf(ofp, " -s, --session Apply on session name\n"); |
| 278 | fprintf(ofp, " -c, --channel NAME Apply on channel\n"); |
| 279 | fprintf(ofp, " -e, --event NAME Apply on event\n"); |
| 280 | fprintf(ofp, " -k, --kernel Apply for the kernel tracer\n"); |
| 281 | fprintf(ofp, " -u, --userspace Apply for the user-space tracer\n"); |
| 282 | fprintf(ofp, " --all If -u, apply on all traceable apps\n"); |
| 283 | fprintf(ofp, " -p, --pid PID If -u, apply on a specific PID\n"); |
| 284 | fprintf(ofp, " -t, --type TYPE Context type. You can repeat that option on the command line.\n"); |
| 285 | fprintf(ofp, " TYPE can be a digit or a string below:\n"); |
| 286 | print_ctx_type(ofp); |
| 287 | fprintf(ofp, "\n"); |
| 288 | fprintf(ofp, "Context options:\n"); |
| 289 | fprintf(ofp, " --perf-type TYPE Perf event type. TYPE can be a digit or a string below:\n"); |
| 290 | print_perf_type(ofp); |
| 291 | fprintf(ofp, " --perf-id ID Perf event id. ID can be a digit or a string below:\n"); |
| 292 | fprintf(ofp, " Hardware IDs (%s: %d):\n", ctx_perf_type[0].symbol, ctx_perf_type[0].value); |
| 293 | print_perf_hw(ofp); |
| 294 | fprintf(ofp, " Software IDs (%s: %d):\n", ctx_perf_type[1].symbol, ctx_perf_type[1].value); |
| 295 | print_perf_sw(ofp); |
| 296 | fprintf(ofp, "Example:\n"); |
| 297 | fprintf(ofp, "This command will add the context information 'prio' and a perf counter hardware branch miss to\n" |
| 298 | "the 'sys_enter' event in the trace data output.\n"); |
| 299 | fprintf(ofp, "# lttng add-context -k -e sys_enter -t prio -t perf --perf-type hw --perf-id branch_miss\n"); |
| 300 | fprintf(ofp, "\n"); |
| 301 | } |
| 302 | |
| 303 | /* |
| 304 | * Return perf hardware counter index. |
| 305 | */ |
| 306 | static int find_perf_idx(const char *opt) |
| 307 | { |
| 308 | int ret = -1, i = 0; |
| 309 | |
| 310 | while (ctx_perf[i].symbol != NULL) { |
| 311 | if (strcmp(opt, ctx_perf[i].symbol) == 0) { |
| 312 | ret = i; |
| 313 | goto end; |
| 314 | } |
| 315 | i++; |
| 316 | } |
| 317 | |
| 318 | end: |
| 319 | return ret; |
| 320 | } |
| 321 | |
| 322 | /* |
| 323 | * Return perf type index in global array. |
| 324 | */ |
| 325 | static int find_perf_type_idx(const char *opt) |
| 326 | { |
| 327 | int ret = -1, i = 0; |
| 328 | |
| 329 | while (ctx_perf_type[i].symbol != NULL) { |
| 330 | if (strcmp(opt, ctx_perf_type[i].symbol) == 0) { |
| 331 | ret = i; |
| 332 | goto end; |
| 333 | } |
| 334 | i++; |
| 335 | } |
| 336 | |
| 337 | end: |
| 338 | return ret; |
| 339 | } |
| 340 | |
| 341 | /* |
| 342 | * Return perf counter index |
| 343 | */ |
| 344 | static int find_perf_symbol_idx(int type, int id) |
| 345 | { |
| 346 | int ret = -1, i = 0; |
| 347 | |
| 348 | while (ctx_perf[i].symbol != NULL) { |
| 349 | if (ctx_perf[i].type == type) { |
| 350 | switch (type) { |
| 351 | case PERF_TYPE_HARDWARE: |
| 352 | if (ctx_perf[i].id.hard == id) { |
| 353 | ret = i; |
| 354 | goto end; |
| 355 | } |
| 356 | break; |
| 357 | case PERF_TYPE_SOFTWARE: |
| 358 | if (ctx_perf[i].id.soft == id) { |
| 359 | ret = i; |
| 360 | goto end; |
| 361 | } |
| 362 | break; |
| 363 | } |
| 364 | } |
| 365 | i++; |
| 366 | } |
| 367 | |
| 368 | end: |
| 369 | return ret; |
| 370 | } |
| 371 | |
| 372 | /* |
| 373 | * Find context numerical value from string. |
| 374 | */ |
| 375 | static int find_ctx_type_idx(const char *opt) |
| 376 | { |
| 377 | int ret = -1, i = 0; |
| 378 | |
| 379 | while (ctx_opts[i].symbol != NULL) { |
| 380 | if (strcmp(opt, ctx_opts[i].symbol) == 0) { |
| 381 | ret = i; |
| 382 | goto end; |
| 383 | } |
| 384 | i++; |
| 385 | } |
| 386 | |
| 387 | end: |
| 388 | return ret; |
| 389 | } |
| 390 | |
| 391 | /* |
| 392 | * Return context symbol index |
| 393 | */ |
| 394 | static int find_ctx_symbol_idx(int type) |
| 395 | { |
| 396 | int ret = -1, i = 0; |
| 397 | |
| 398 | while (ctx_opts[i].symbol != NULL) { |
| 399 | if (type == ctx_opts[i].value) { |
| 400 | ret = i; |
| 401 | goto end; |
| 402 | } |
| 403 | i++; |
| 404 | } |
| 405 | |
| 406 | end: |
| 407 | return ret; |
| 408 | } |
| 409 | |
| 410 | /* |
| 411 | * Add context to channel or event. |
| 412 | */ |
| 413 | static int add_context(void) |
| 414 | { |
| 415 | int ret = CMD_SUCCESS, index; |
| 416 | struct lttng_event_context context; |
| 417 | struct lttng_domain dom; |
| 418 | struct ctx_type *type; |
| 419 | |
| 420 | if (set_session_name(opt_session_name) < 0) { |
| 421 | ret = CMD_ERROR; |
| 422 | goto error; |
| 423 | } |
| 424 | |
| 425 | /* Iterate over all context type given */ |
| 426 | cds_list_for_each_entry(type, &ctx_type_list.head, list) { |
| 427 | context.ctx = type->type; |
| 428 | if (type->type == LTTNG_KERNEL_CONTEXT_PERF_COUNTER) { |
| 429 | /* Check perf type */ |
| 430 | if (isdigit(*opt_perf_type)) { |
| 431 | context.u.perf_counter.type = atoi(opt_perf_type); |
| 432 | } else { |
| 433 | index = find_perf_type_idx(opt_perf_type); |
| 434 | if (index == -1) { |
| 435 | ERR("Bad event type given. Please use --perf-type TYPE."); |
| 436 | goto error; |
| 437 | } |
| 438 | context.u.perf_counter.type = ctx_perf_type[index].value; |
| 439 | } |
| 440 | |
| 441 | /* Check perf counter ID */ |
| 442 | if (isdigit(*opt_perf_id)) { |
| 443 | context.u.perf_counter.config = atoi(opt_perf_id); |
| 444 | index = find_perf_symbol_idx(context.u.perf_counter.type, |
| 445 | context.u.perf_counter.config); |
| 446 | } else { |
| 447 | index = find_perf_idx(opt_perf_id); |
| 448 | switch (context.u.perf_counter.type) { |
| 449 | case PERF_TYPE_HARDWARE: |
| 450 | context.u.perf_counter.config = ctx_perf[index].id.hard; |
| 451 | break; |
| 452 | case PERF_TYPE_SOFTWARE: |
| 453 | context.u.perf_counter.config = ctx_perf[index].id.soft; |
| 454 | break; |
| 455 | } |
| 456 | } |
| 457 | |
| 458 | if (index == -1) { |
| 459 | ERR("Bad perf event id given. Please use --perf-id ID."); |
| 460 | goto error; |
| 461 | } |
| 462 | |
| 463 | strncpy(context.u.perf_counter.name, ctx_perf[index].symbol, |
| 464 | LTTNG_SYMBOL_NAME_LEN); |
| 465 | } |
| 466 | |
| 467 | if (opt_kernel) { |
| 468 | /* Create kernel domain */ |
| 469 | dom.type = LTTNG_DOMAIN_KERNEL; |
| 470 | |
| 471 | DBG("Adding kernel context"); |
| 472 | ret = lttng_add_context(&dom, &context, opt_event_name, |
| 473 | opt_channel_name); |
| 474 | if (ret < 0) { |
| 475 | goto error; |
| 476 | } else { |
| 477 | if (type->type == LTTNG_KERNEL_CONTEXT_PERF_COUNTER) { |
| 478 | MSG("Perf counter %s added", context.u.perf_counter.name); |
| 479 | } else { |
| 480 | index = find_ctx_symbol_idx(type->type); |
| 481 | MSG("Kernel context %s added", ctx_opts[index].symbol); |
| 482 | } |
| 483 | } |
| 484 | } else if (opt_userspace) { /* User-space tracer action */ |
| 485 | /* |
| 486 | * TODO: Waiting on lttng UST 2.0 |
| 487 | */ |
| 488 | if (opt_pid_all) { |
| 489 | } else if (opt_pid != 0) { |
| 490 | } |
| 491 | ret = CMD_NOT_IMPLEMENTED; |
| 492 | goto error; |
| 493 | } else { |
| 494 | ERR("Please specify a tracer (kernel or user-space)"); |
| 495 | goto error; |
| 496 | } |
| 497 | } |
| 498 | |
| 499 | error: |
| 500 | return ret; |
| 501 | } |
| 502 | |
| 503 | /* |
| 504 | * Add context on channel or event. |
| 505 | */ |
| 506 | int cmd_add_context(int argc, const char **argv) |
| 507 | { |
| 508 | int index, opt, ret = CMD_SUCCESS; |
| 509 | char *tmp; |
| 510 | static poptContext pc; |
| 511 | struct ctx_type *type; |
| 512 | |
| 513 | if (argc < 2) { |
| 514 | usage(stderr); |
| 515 | goto end; |
| 516 | } |
| 517 | |
| 518 | pc = poptGetContext(NULL, argc, argv, long_options, 0); |
| 519 | poptReadDefaultConfig(pc, 0); |
| 520 | |
| 521 | while ((opt = poptGetNextOpt(pc)) != -1) { |
| 522 | switch (opt) { |
| 523 | case OPT_HELP: |
| 524 | usage(stderr); |
| 525 | ret = CMD_SUCCESS; |
| 526 | goto end; |
| 527 | case OPT_TYPE: |
| 528 | /* Mandatory field */ |
| 529 | tmp = poptGetOptArg(pc); |
| 530 | if (tmp == NULL) { |
| 531 | usage(stderr); |
| 532 | ret = CMD_ERROR; |
| 533 | free(tmp); |
| 534 | goto end; |
| 535 | } |
| 536 | type = malloc(sizeof(struct ctx_type)); |
| 537 | if (type == NULL) { |
| 538 | perror("malloc ctx_type"); |
| 539 | ret = -1; |
| 540 | goto end; |
| 541 | } |
| 542 | /* Numerical value are allowed also */ |
| 543 | if (isdigit(*tmp)) { |
| 544 | type->type = atoi(tmp); |
| 545 | } else { |
| 546 | index = find_ctx_type_idx(tmp); |
| 547 | if (index < 0) { |
| 548 | ERR("Unknown context type %s", tmp); |
| 549 | goto end; |
| 550 | } |
| 551 | type->type = ctx_opts[index].value; |
| 552 | } |
| 553 | if (type->type == -1) { |
| 554 | ERR("Unknown context type %s", tmp); |
| 555 | } else { |
| 556 | cds_list_add(&type->list, &ctx_type_list.head); |
| 557 | } |
| 558 | free(tmp); |
| 559 | break; |
| 560 | default: |
| 561 | usage(stderr); |
| 562 | ret = CMD_UNDEFINED; |
| 563 | goto end; |
| 564 | } |
| 565 | } |
| 566 | |
| 567 | ret = add_context(); |
| 568 | |
| 569 | /* Cleanup allocated memory */ |
| 570 | cds_list_for_each_entry(type, &ctx_type_list.head, list) { |
| 571 | free(type); |
| 572 | } |
| 573 | |
| 574 | end: |
| 575 | return ret; |
| 576 | } |