| 1 | /* |
| 2 | * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca> |
| 3 | * |
| 4 | * SPDX-License-Identifier: GPL-2.0-only |
| 5 | * |
| 6 | */ |
| 7 | |
| 8 | #define _LGPL_SOURCE |
| 9 | #include <stdlib.h> |
| 10 | #include <ctype.h> |
| 11 | #include <limits.h> |
| 12 | #include <sys/types.h> |
| 13 | #include <sys/socket.h> |
| 14 | #include <signal.h> |
| 15 | #include <netinet/in.h> |
| 16 | #include <arpa/inet.h> |
| 17 | #include <inttypes.h> |
| 18 | #include <unistd.h> |
| 19 | |
| 20 | #include <common/error.h> |
| 21 | #include <common/utils.h> |
| 22 | #include <common/defaults.h> |
| 23 | |
| 24 | #include "conf.h" |
| 25 | #include "utils.h" |
| 26 | #include "command.h" |
| 27 | |
| 28 | static const char *str_all = "ALL"; |
| 29 | static const char *str_tracepoint = "Tracepoint"; |
| 30 | static const char *str_syscall = "Syscall"; |
| 31 | static const char *str_probe = "Probe"; |
| 32 | static const char *str_userspace_probe = "Userspace Probe"; |
| 33 | static const char *str_function = "Function"; |
| 34 | |
| 35 | static |
| 36 | char *_get_session_name(int quiet) |
| 37 | { |
| 38 | const char *path; |
| 39 | char *session_name = NULL; |
| 40 | |
| 41 | /* Get path to config file */ |
| 42 | path = utils_get_home_dir(); |
| 43 | if (path == NULL) { |
| 44 | goto error; |
| 45 | } |
| 46 | |
| 47 | /* Get session name from config */ |
| 48 | session_name = quiet ? config_read_session_name_quiet(path) : |
| 49 | config_read_session_name(path); |
| 50 | if (session_name == NULL) { |
| 51 | goto error; |
| 52 | } |
| 53 | |
| 54 | DBG2("Config file path found: %s", path); |
| 55 | DBG("Session name found: %s", session_name); |
| 56 | return session_name; |
| 57 | |
| 58 | error: |
| 59 | return NULL; |
| 60 | } |
| 61 | |
| 62 | /* |
| 63 | * get_session_name |
| 64 | * |
| 65 | * Return allocated string with the session name found in the config |
| 66 | * directory. |
| 67 | */ |
| 68 | char *get_session_name(void) |
| 69 | { |
| 70 | return _get_session_name(0); |
| 71 | } |
| 72 | |
| 73 | /* |
| 74 | * get_session_name_quiet (no warnings/errors emitted) |
| 75 | * |
| 76 | * Return allocated string with the session name found in the config |
| 77 | * directory. |
| 78 | */ |
| 79 | char *get_session_name_quiet(void) |
| 80 | { |
| 81 | return _get_session_name(1); |
| 82 | } |
| 83 | |
| 84 | /* |
| 85 | * list_commands |
| 86 | * |
| 87 | * List commands line by line. This is mostly for bash auto completion and to |
| 88 | * avoid difficult parsing. |
| 89 | */ |
| 90 | void list_commands(struct cmd_struct *commands, FILE *ofp) |
| 91 | { |
| 92 | int i = 0; |
| 93 | struct cmd_struct *cmd = NULL; |
| 94 | |
| 95 | cmd = &commands[i]; |
| 96 | while (cmd->name != NULL) { |
| 97 | fprintf(ofp, "%s\n", cmd->name); |
| 98 | i++; |
| 99 | cmd = &commands[i]; |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | /* |
| 104 | * list_cmd_options |
| 105 | * |
| 106 | * Prints a simple list of the options available to a command. This is intended |
| 107 | * to be easily parsed for bash completion. |
| 108 | */ |
| 109 | void list_cmd_options(FILE *ofp, struct poptOption *options) |
| 110 | { |
| 111 | int i; |
| 112 | struct poptOption *option = NULL; |
| 113 | |
| 114 | for (i = 0; options[i].longName != NULL; i++) { |
| 115 | option = &options[i]; |
| 116 | |
| 117 | fprintf(ofp, "--%s\n", option->longName); |
| 118 | |
| 119 | if (isprint(option->shortName)) { |
| 120 | fprintf(ofp, "-%c\n", option->shortName); |
| 121 | } |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | /* |
| 126 | * Same as list_cmd_options, but for options specified for argpar. |
| 127 | */ |
| 128 | void list_cmd_options_argpar(FILE *ofp, const struct argpar_opt_descr *options) |
| 129 | { |
| 130 | int i; |
| 131 | |
| 132 | for (i = 0; options[i].long_name != NULL; i++) { |
| 133 | const struct argpar_opt_descr *option = &options[i]; |
| 134 | |
| 135 | fprintf(ofp, "--%s\n", option->long_name); |
| 136 | |
| 137 | if (isprint(option->short_name)) { |
| 138 | fprintf(ofp, "-%c\n", option->short_name); |
| 139 | } |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | /* |
| 144 | * fls: returns the position of the most significant bit. |
| 145 | * Returns 0 if no bit is set, else returns the position of the most |
| 146 | * significant bit (from 1 to 32 on 32-bit, from 1 to 64 on 64-bit). |
| 147 | */ |
| 148 | #if defined(__i386) || defined(__x86_64) |
| 149 | static inline |
| 150 | unsigned int fls_u32(uint32_t x) |
| 151 | { |
| 152 | int r; |
| 153 | |
| 154 | asm("bsrl %1,%0\n\t" |
| 155 | "jnz 1f\n\t" |
| 156 | "movl $-1,%0\n\t" |
| 157 | "1:\n\t" |
| 158 | : "=r" (r) : "rm" (x)); |
| 159 | return r + 1; |
| 160 | } |
| 161 | #define HAS_FLS_U32 |
| 162 | #endif |
| 163 | |
| 164 | #if defined(__x86_64) && defined(__LP64__) |
| 165 | static inline |
| 166 | unsigned int fls_u64(uint64_t x) |
| 167 | { |
| 168 | long r; |
| 169 | |
| 170 | asm("bsrq %1,%0\n\t" |
| 171 | "jnz 1f\n\t" |
| 172 | "movq $-1,%0\n\t" |
| 173 | "1:\n\t" |
| 174 | : "=r" (r) : "rm" (x)); |
| 175 | return r + 1; |
| 176 | } |
| 177 | #define HAS_FLS_U64 |
| 178 | #endif |
| 179 | |
| 180 | #ifndef HAS_FLS_U64 |
| 181 | static __attribute__((unused)) |
| 182 | unsigned int fls_u64(uint64_t x) |
| 183 | { |
| 184 | unsigned int r = 64; |
| 185 | |
| 186 | if (!x) |
| 187 | return 0; |
| 188 | |
| 189 | if (!(x & 0xFFFFFFFF00000000ULL)) { |
| 190 | x <<= 32; |
| 191 | r -= 32; |
| 192 | } |
| 193 | if (!(x & 0xFFFF000000000000ULL)) { |
| 194 | x <<= 16; |
| 195 | r -= 16; |
| 196 | } |
| 197 | if (!(x & 0xFF00000000000000ULL)) { |
| 198 | x <<= 8; |
| 199 | r -= 8; |
| 200 | } |
| 201 | if (!(x & 0xF000000000000000ULL)) { |
| 202 | x <<= 4; |
| 203 | r -= 4; |
| 204 | } |
| 205 | if (!(x & 0xC000000000000000ULL)) { |
| 206 | x <<= 2; |
| 207 | r -= 2; |
| 208 | } |
| 209 | if (!(x & 0x8000000000000000ULL)) { |
| 210 | x <<= 1; |
| 211 | r -= 1; |
| 212 | } |
| 213 | return r; |
| 214 | } |
| 215 | #endif |
| 216 | |
| 217 | #ifndef HAS_FLS_U32 |
| 218 | static __attribute__((unused)) |
| 219 | unsigned int fls_u32(uint32_t x) |
| 220 | { |
| 221 | unsigned int r = 32; |
| 222 | |
| 223 | if (!x) |
| 224 | return 0; |
| 225 | if (!(x & 0xFFFF0000U)) { |
| 226 | x <<= 16; |
| 227 | r -= 16; |
| 228 | } |
| 229 | if (!(x & 0xFF000000U)) { |
| 230 | x <<= 8; |
| 231 | r -= 8; |
| 232 | } |
| 233 | if (!(x & 0xF0000000U)) { |
| 234 | x <<= 4; |
| 235 | r -= 4; |
| 236 | } |
| 237 | if (!(x & 0xC0000000U)) { |
| 238 | x <<= 2; |
| 239 | r -= 2; |
| 240 | } |
| 241 | if (!(x & 0x80000000U)) { |
| 242 | x <<= 1; |
| 243 | r -= 1; |
| 244 | } |
| 245 | return r; |
| 246 | } |
| 247 | #endif |
| 248 | |
| 249 | static |
| 250 | unsigned int fls_ulong(unsigned long x) |
| 251 | { |
| 252 | #if (CAA_BITS_PER_LONG == 32) |
| 253 | return fls_u32(x); |
| 254 | #else |
| 255 | return fls_u64(x); |
| 256 | #endif |
| 257 | } |
| 258 | |
| 259 | /* |
| 260 | * Return the minimum order for which x <= (1UL << order). |
| 261 | * Return -1 if x is 0. |
| 262 | */ |
| 263 | int get_count_order_u32(uint32_t x) |
| 264 | { |
| 265 | if (!x) |
| 266 | return -1; |
| 267 | |
| 268 | return fls_u32(x - 1); |
| 269 | } |
| 270 | |
| 271 | /* |
| 272 | * Return the minimum order for which x <= (1UL << order). |
| 273 | * Return -1 if x is 0. |
| 274 | */ |
| 275 | int get_count_order_u64(uint64_t x) |
| 276 | { |
| 277 | if (!x) |
| 278 | return -1; |
| 279 | |
| 280 | return fls_u64(x - 1); |
| 281 | } |
| 282 | |
| 283 | /* |
| 284 | * Return the minimum order for which x <= (1UL << order). |
| 285 | * Return -1 if x is 0. |
| 286 | */ |
| 287 | int get_count_order_ulong(unsigned long x) |
| 288 | { |
| 289 | if (!x) |
| 290 | return -1; |
| 291 | |
| 292 | return fls_ulong(x - 1); |
| 293 | } |
| 294 | |
| 295 | const char *get_event_type_str(enum lttng_event_type type) |
| 296 | { |
| 297 | const char *str_event_type; |
| 298 | |
| 299 | switch (type) { |
| 300 | case LTTNG_EVENT_ALL: |
| 301 | str_event_type = str_all; |
| 302 | break; |
| 303 | case LTTNG_EVENT_TRACEPOINT: |
| 304 | str_event_type = str_tracepoint; |
| 305 | break; |
| 306 | case LTTNG_EVENT_SYSCALL: |
| 307 | str_event_type = str_syscall; |
| 308 | break; |
| 309 | case LTTNG_EVENT_PROBE: |
| 310 | str_event_type = str_probe; |
| 311 | break; |
| 312 | case LTTNG_EVENT_USERSPACE_PROBE: |
| 313 | str_event_type = str_userspace_probe; |
| 314 | break; |
| 315 | case LTTNG_EVENT_FUNCTION: |
| 316 | str_event_type = str_function; |
| 317 | break; |
| 318 | default: |
| 319 | /* Should not have an unknown event type or else define it. */ |
| 320 | abort(); |
| 321 | } |
| 322 | |
| 323 | return str_event_type; |
| 324 | } |
| 325 | |
| 326 | /* |
| 327 | * Spawn a lttng relayd daemon by forking and execv. |
| 328 | */ |
| 329 | int spawn_relayd(const char *pathname, int port) |
| 330 | { |
| 331 | int ret = 0; |
| 332 | pid_t pid; |
| 333 | char url[255]; |
| 334 | |
| 335 | if (!port) { |
| 336 | port = DEFAULT_NETWORK_VIEWER_PORT; |
| 337 | } |
| 338 | |
| 339 | ret = snprintf(url, sizeof(url), "tcp://localhost:%d", port); |
| 340 | if (ret < 0) { |
| 341 | goto end; |
| 342 | } |
| 343 | |
| 344 | MSG("Spawning a relayd daemon"); |
| 345 | pid = fork(); |
| 346 | if (pid == 0) { |
| 347 | /* |
| 348 | * Spawn session daemon and tell |
| 349 | * it to signal us when ready. |
| 350 | */ |
| 351 | execlp(pathname, "lttng-relayd", "-L", url, NULL); |
| 352 | /* execlp only returns if error happened */ |
| 353 | if (errno == ENOENT) { |
| 354 | ERR("No relayd found. Use --relayd-path."); |
| 355 | } else { |
| 356 | PERROR("execlp"); |
| 357 | } |
| 358 | kill(getppid(), SIGTERM); /* wake parent */ |
| 359 | exit(EXIT_FAILURE); |
| 360 | } else if (pid > 0) { |
| 361 | goto end; |
| 362 | } else { |
| 363 | PERROR("fork"); |
| 364 | ret = -1; |
| 365 | goto end; |
| 366 | } |
| 367 | |
| 368 | end: |
| 369 | return ret; |
| 370 | } |
| 371 | |
| 372 | /* |
| 373 | * Check if relayd is alive. |
| 374 | * |
| 375 | * Return 1 if found else 0 if NOT found. Negative value on error. |
| 376 | */ |
| 377 | int check_relayd(void) |
| 378 | { |
| 379 | int ret, fd; |
| 380 | struct sockaddr_in sin; |
| 381 | |
| 382 | fd = socket(AF_INET, SOCK_STREAM, 0); |
| 383 | if (fd < 0) { |
| 384 | PERROR("socket check relayd"); |
| 385 | ret = -1; |
| 386 | goto error_socket; |
| 387 | } |
| 388 | |
| 389 | sin.sin_family = AF_INET; |
| 390 | sin.sin_port = htons(DEFAULT_NETWORK_VIEWER_PORT); |
| 391 | ret = inet_pton(sin.sin_family, "127.0.0.1", &sin.sin_addr); |
| 392 | if (ret < 1) { |
| 393 | PERROR("inet_pton check relayd"); |
| 394 | ret = -1; |
| 395 | goto error; |
| 396 | } |
| 397 | |
| 398 | /* |
| 399 | * A successful connect means the relayd exists thus returning 0 else a |
| 400 | * negative value means it does NOT exists. |
| 401 | */ |
| 402 | ret = connect(fd, (struct sockaddr *) &sin, sizeof(sin)); |
| 403 | if (ret < 0) { |
| 404 | /* Not found. */ |
| 405 | ret = 0; |
| 406 | } else { |
| 407 | /* Already spawned. */ |
| 408 | ret = 1; |
| 409 | } |
| 410 | |
| 411 | error: |
| 412 | if (close(fd) < 0) { |
| 413 | PERROR("close relayd fd"); |
| 414 | } |
| 415 | error_socket: |
| 416 | return ret; |
| 417 | } |
| 418 | |
| 419 | int print_missing_or_multiple_domains(unsigned int domain_count, |
| 420 | bool include_agent_domains) |
| 421 | { |
| 422 | int ret = 0; |
| 423 | |
| 424 | if (domain_count == 0) { |
| 425 | ERR("Please specify a domain (--kernel/--userspace%s).", |
| 426 | include_agent_domains ? |
| 427 | "/--jul/--log4j/--python" : |
| 428 | ""); |
| 429 | ret = -1; |
| 430 | } else if (domain_count > 1) { |
| 431 | ERR("Only one domain must be specified."); |
| 432 | ret = -1; |
| 433 | } |
| 434 | |
| 435 | return ret; |
| 436 | } |
| 437 | |
| 438 | /* |
| 439 | * Get the discarded events and lost packet counts. |
| 440 | */ |
| 441 | void print_session_stats(const char *session_name) |
| 442 | { |
| 443 | char *str; |
| 444 | const int ret = get_session_stats_str(session_name, &str); |
| 445 | |
| 446 | if (ret >= 0 && str) { |
| 447 | MSG("%s", str); |
| 448 | free(str); |
| 449 | } |
| 450 | } |
| 451 | |
| 452 | int get_session_stats_str(const char *session_name, char **out_str) |
| 453 | { |
| 454 | int count, nb_domains, domain_idx, channel_idx, session_idx, ret; |
| 455 | struct lttng_domain *domains = NULL; |
| 456 | struct lttng_channel *channels = NULL; |
| 457 | uint64_t discarded_events_total = 0, lost_packets_total = 0; |
| 458 | struct lttng_session *sessions = NULL; |
| 459 | const struct lttng_session *selected_session = NULL; |
| 460 | char *stats_str = NULL; |
| 461 | bool print_discarded_events = false, print_lost_packets = false; |
| 462 | |
| 463 | count = lttng_list_sessions(&sessions); |
| 464 | if (count < 1) { |
| 465 | ERR("Failed to retrieve session descriptions while printing session statistics."); |
| 466 | ret = -1; |
| 467 | goto end; |
| 468 | } |
| 469 | |
| 470 | /* Identify the currently-selected sessions. */ |
| 471 | for (session_idx = 0; session_idx < count; session_idx++) { |
| 472 | if (!strcmp(session_name, sessions[session_idx].name)) { |
| 473 | selected_session = &sessions[session_idx]; |
| 474 | break; |
| 475 | } |
| 476 | } |
| 477 | if (!selected_session) { |
| 478 | ERR("Failed to retrieve session \"%s\" description while printing session statistics.", session_name); |
| 479 | ret = -1; |
| 480 | goto end; |
| 481 | } |
| 482 | |
| 483 | nb_domains = lttng_list_domains(session_name, &domains); |
| 484 | if (nb_domains < 0) { |
| 485 | ret = -1; |
| 486 | goto end; |
| 487 | } |
| 488 | for (domain_idx = 0; domain_idx < nb_domains; domain_idx++) { |
| 489 | struct lttng_handle *handle = lttng_create_handle(session_name, |
| 490 | &domains[domain_idx]); |
| 491 | |
| 492 | if (!handle) { |
| 493 | ERR("Failed to create session handle while printing session statistics."); |
| 494 | ret = -1; |
| 495 | goto end; |
| 496 | } |
| 497 | |
| 498 | free(channels); |
| 499 | channels = NULL; |
| 500 | count = lttng_list_channels(handle, &channels); |
| 501 | for (channel_idx = 0; channel_idx < count; channel_idx++) { |
| 502 | uint64_t discarded_events = 0, lost_packets = 0; |
| 503 | struct lttng_channel *channel = &channels[channel_idx]; |
| 504 | |
| 505 | ret = lttng_channel_get_discarded_event_count(channel, |
| 506 | &discarded_events); |
| 507 | if (ret) { |
| 508 | ERR("Failed to retrieve discarded event count from channel %s", |
| 509 | channel->name); |
| 510 | } |
| 511 | |
| 512 | ret = lttng_channel_get_lost_packet_count(channel, |
| 513 | &lost_packets); |
| 514 | if (ret) { |
| 515 | ERR("Failed to retrieve lost packet count from channel %s", |
| 516 | channel->name); |
| 517 | } |
| 518 | |
| 519 | discarded_events_total += discarded_events; |
| 520 | lost_packets_total += lost_packets; |
| 521 | } |
| 522 | lttng_destroy_handle(handle); |
| 523 | } |
| 524 | |
| 525 | print_discarded_events = discarded_events_total > 0 && |
| 526 | !selected_session->snapshot_mode; |
| 527 | print_lost_packets = lost_packets_total > 0 && |
| 528 | !selected_session->snapshot_mode; |
| 529 | |
| 530 | if (print_discarded_events && print_lost_packets) { |
| 531 | ret = asprintf(&stats_str, |
| 532 | "Warning: %" PRIu64 |
| 533 | " events were discarded and %" PRIu64 |
| 534 | " packets were lost, please refer to " |
| 535 | "the documentation on channel configuration.", |
| 536 | discarded_events_total, lost_packets_total); |
| 537 | } else if (print_discarded_events) { |
| 538 | ret = asprintf(&stats_str, |
| 539 | "Warning: %" PRIu64 |
| 540 | " events were discarded, please refer to " |
| 541 | "the documentation on channel configuration.", |
| 542 | discarded_events_total); |
| 543 | } else if (print_lost_packets) { |
| 544 | ret = asprintf(&stats_str, |
| 545 | "Warning: %" PRIu64 |
| 546 | " packets were lost, please refer to " |
| 547 | "the documentation on channel configuration.", |
| 548 | lost_packets_total); |
| 549 | } else { |
| 550 | ret = 0; |
| 551 | } |
| 552 | |
| 553 | if (ret < 0) { |
| 554 | ERR("Failed to format lost packet and discarded events statistics"); |
| 555 | } else { |
| 556 | *out_str = stats_str; |
| 557 | ret = 0; |
| 558 | } |
| 559 | end: |
| 560 | free(sessions); |
| 561 | free(channels); |
| 562 | free(domains); |
| 563 | return ret; |
| 564 | } |
| 565 | |
| 566 | int show_cmd_help(const char *cmd_name, const char *help_msg) |
| 567 | { |
| 568 | int ret; |
| 569 | char page_name[32]; |
| 570 | |
| 571 | ret = sprintf(page_name, "lttng-%s", cmd_name); |
| 572 | LTTNG_ASSERT(ret > 0 && ret < 32); |
| 573 | ret = utils_show_help(1, page_name, help_msg); |
| 574 | if (ret && !help_msg) { |
| 575 | ERR("Cannot view man page `lttng-%s(1)`", cmd_name); |
| 576 | perror("exec"); |
| 577 | } |
| 578 | |
| 579 | return ret; |
| 580 | } |
| 581 | |
| 582 | int print_trace_archive_location( |
| 583 | const struct lttng_trace_archive_location *location, |
| 584 | const char *session_name) |
| 585 | { |
| 586 | int ret = 0; |
| 587 | enum lttng_trace_archive_location_type location_type; |
| 588 | enum lttng_trace_archive_location_status status; |
| 589 | bool printed_location = false; |
| 590 | |
| 591 | location_type = lttng_trace_archive_location_get_type(location); |
| 592 | |
| 593 | _MSG("Trace chunk archive for session %s is now readable", |
| 594 | session_name); |
| 595 | switch (location_type) { |
| 596 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL: |
| 597 | { |
| 598 | const char *absolute_path; |
| 599 | |
| 600 | status = lttng_trace_archive_location_local_get_absolute_path( |
| 601 | location, &absolute_path); |
| 602 | if (status != LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK) { |
| 603 | ret = -1; |
| 604 | goto end; |
| 605 | } |
| 606 | MSG(" at %s", absolute_path); |
| 607 | printed_location = true; |
| 608 | break; |
| 609 | } |
| 610 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY: |
| 611 | { |
| 612 | uint16_t control_port, data_port; |
| 613 | const char *host, *relative_path, *protocol_str; |
| 614 | enum lttng_trace_archive_location_relay_protocol_type protocol; |
| 615 | |
| 616 | /* Fetch all relay location parameters. */ |
| 617 | status = lttng_trace_archive_location_relay_get_protocol_type( |
| 618 | location, &protocol); |
| 619 | if (status != LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK) { |
| 620 | ret = -1; |
| 621 | goto end; |
| 622 | } |
| 623 | |
| 624 | status = lttng_trace_archive_location_relay_get_host( |
| 625 | location, &host); |
| 626 | if (status != LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK) { |
| 627 | ret = -1; |
| 628 | goto end; |
| 629 | } |
| 630 | |
| 631 | status = lttng_trace_archive_location_relay_get_control_port( |
| 632 | location, &control_port); |
| 633 | if (status != LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK) { |
| 634 | ret = -1; |
| 635 | goto end; |
| 636 | } |
| 637 | |
| 638 | status = lttng_trace_archive_location_relay_get_data_port( |
| 639 | location, &data_port); |
| 640 | if (status != LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK) { |
| 641 | ret = -1; |
| 642 | goto end; |
| 643 | } |
| 644 | |
| 645 | status = lttng_trace_archive_location_relay_get_relative_path( |
| 646 | location, &relative_path); |
| 647 | if (status != LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK) { |
| 648 | ret = -1; |
| 649 | goto end; |
| 650 | } |
| 651 | |
| 652 | switch (protocol) { |
| 653 | case LTTNG_TRACE_ARCHIVE_LOCATION_RELAY_PROTOCOL_TYPE_TCP: |
| 654 | protocol_str = "tcp"; |
| 655 | break; |
| 656 | default: |
| 657 | protocol_str = "unknown"; |
| 658 | break; |
| 659 | } |
| 660 | |
| 661 | MSG(" on relay %s://%s/%s [control port %" PRIu16 ", data port %" |
| 662 | PRIu16 "]", protocol_str, host, |
| 663 | relative_path, control_port, data_port); |
| 664 | printed_location = true; |
| 665 | break; |
| 666 | } |
| 667 | default: |
| 668 | break; |
| 669 | } |
| 670 | end: |
| 671 | if (!printed_location) { |
| 672 | MSG(" at an unknown location"); |
| 673 | } |
| 674 | return ret; |
| 675 | } |