Commit | Line | Data |
---|---|---|
f3ed775e | 1 | /* |
ab5be9fa | 2 | * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca> |
f3ed775e | 3 | * |
ab5be9fa | 4 | * SPDX-License-Identifier: GPL-2.0-only |
f3ed775e | 5 | * |
f3ed775e DG |
6 | */ |
7 | ||
6c1c0768 | 8 | #define _LGPL_SOURCE |
b9dfb167 | 9 | #include <assert.h> |
f3ed775e | 10 | #include <stdlib.h> |
679b4943 | 11 | #include <ctype.h> |
3badf2bf | 12 | #include <limits.h> |
8960e9cd DG |
13 | #include <sys/types.h> |
14 | #include <sys/socket.h> | |
15 | #include <signal.h> | |
16 | #include <netinet/in.h> | |
17 | #include <arpa/inet.h> | |
20fb9e02 | 18 | #include <inttypes.h> |
4ba92f18 | 19 | #include <unistd.h> |
f3ed775e | 20 | |
db758600 | 21 | #include <common/error.h> |
feb0f3e5 | 22 | #include <common/utils.h> |
4ba92f18 | 23 | #include <common/defaults.h> |
f3ed775e | 24 | |
beb8c75a | 25 | #include "conf.h" |
679b4943 | 26 | #include "utils.h" |
3c9bd23c | 27 | #include "command.h" |
f3ed775e | 28 | |
b9dfb167 DG |
29 | static const char *str_kernel = "Kernel"; |
30 | static const char *str_ust = "UST"; | |
31 | static const char *str_jul = "JUL"; | |
5cdb6027 | 32 | static const char *str_log4j = "LOG4J"; |
0e115563 | 33 | static const char *str_python = "Python"; |
4fd2697f FD |
34 | static const char *str_all = "ALL"; |
35 | static const char *str_tracepoint = "Tracepoint"; | |
36 | static const char *str_syscall = "Syscall"; | |
37 | static const char *str_probe = "Probe"; | |
38 | static const char *str_userspace_probe = "Userspace Probe"; | |
39 | static const char *str_function = "Function"; | |
b9dfb167 | 40 | |
1dac0189 PPM |
41 | static |
42 | char *_get_session_name(int quiet) | |
f3ed775e | 43 | { |
4f00620d JG |
44 | const char *path; |
45 | char *session_name = NULL; | |
f3ed775e DG |
46 | |
47 | /* Get path to config file */ | |
feb0f3e5 | 48 | path = utils_get_home_dir(); |
f3ed775e DG |
49 | if (path == NULL) { |
50 | goto error; | |
51 | } | |
52 | ||
53 | /* Get session name from config */ | |
1dac0189 PPM |
54 | session_name = quiet ? config_read_session_name_quiet(path) : |
55 | config_read_session_name(path); | |
f3ed775e | 56 | if (session_name == NULL) { |
58a97671 | 57 | goto error; |
f3ed775e DG |
58 | } |
59 | ||
3183dbb0 | 60 | DBG2("Config file path found: %s", path); |
cd80958d | 61 | DBG("Session name found: %s", session_name); |
f3ed775e | 62 | return session_name; |
3183dbb0 DG |
63 | |
64 | error: | |
65 | return NULL; | |
f3ed775e | 66 | } |
679b4943 | 67 | |
1dac0189 PPM |
68 | /* |
69 | * get_session_name | |
70 | * | |
71 | * Return allocated string with the session name found in the config | |
72 | * directory. | |
73 | */ | |
74 | char *get_session_name(void) | |
75 | { | |
76 | return _get_session_name(0); | |
77 | } | |
78 | ||
79 | /* | |
80 | * get_session_name_quiet (no warnings/errors emitted) | |
81 | * | |
82 | * Return allocated string with the session name found in the config | |
83 | * directory. | |
84 | */ | |
85 | char *get_session_name_quiet(void) | |
86 | { | |
87 | return _get_session_name(1); | |
88 | } | |
89 | ||
3c9bd23c SM |
90 | /* |
91 | * list_commands | |
92 | * | |
93 | * List commands line by line. This is mostly for bash auto completion and to | |
94 | * avoid difficult parsing. | |
95 | */ | |
96 | void list_commands(struct cmd_struct *commands, FILE *ofp) | |
97 | { | |
98 | int i = 0; | |
99 | struct cmd_struct *cmd = NULL; | |
100 | ||
101 | cmd = &commands[i]; | |
102 | while (cmd->name != NULL) { | |
103 | fprintf(ofp, "%s\n", cmd->name); | |
104 | i++; | |
105 | cmd = &commands[i]; | |
106 | } | |
107 | } | |
679b4943 SM |
108 | |
109 | /* | |
110 | * list_cmd_options | |
111 | * | |
112 | * Prints a simple list of the options available to a command. This is intended | |
113 | * to be easily parsed for bash completion. | |
114 | */ | |
115 | void list_cmd_options(FILE *ofp, struct poptOption *options) | |
116 | { | |
117 | int i; | |
118 | struct poptOption *option = NULL; | |
119 | ||
120 | for (i = 0; options[i].longName != NULL; i++) { | |
121 | option = &options[i]; | |
122 | ||
123 | fprintf(ofp, "--%s\n", option->longName); | |
124 | ||
125 | if (isprint(option->shortName)) { | |
126 | fprintf(ofp, "-%c\n", option->shortName); | |
127 | } | |
128 | } | |
129 | } | |
8ce58bad MD |
130 | |
131 | /* | |
132 | * fls: returns the position of the most significant bit. | |
133 | * Returns 0 if no bit is set, else returns the position of the most | |
134 | * significant bit (from 1 to 32 on 32-bit, from 1 to 64 on 64-bit). | |
135 | */ | |
136 | #if defined(__i386) || defined(__x86_64) | |
137 | static inline | |
138 | unsigned int fls_u32(uint32_t x) | |
139 | { | |
140 | int r; | |
141 | ||
142 | asm("bsrl %1,%0\n\t" | |
143 | "jnz 1f\n\t" | |
144 | "movl $-1,%0\n\t" | |
145 | "1:\n\t" | |
146 | : "=r" (r) : "rm" (x)); | |
147 | return r + 1; | |
148 | } | |
149 | #define HAS_FLS_U32 | |
150 | #endif | |
151 | ||
a1e4ab8b | 152 | #if defined(__x86_64) && defined(__LP64__) |
8ce58bad MD |
153 | static inline |
154 | unsigned int fls_u64(uint64_t x) | |
155 | { | |
156 | long r; | |
157 | ||
158 | asm("bsrq %1,%0\n\t" | |
159 | "jnz 1f\n\t" | |
160 | "movq $-1,%0\n\t" | |
161 | "1:\n\t" | |
162 | : "=r" (r) : "rm" (x)); | |
163 | return r + 1; | |
164 | } | |
165 | #define HAS_FLS_U64 | |
166 | #endif | |
167 | ||
168 | #ifndef HAS_FLS_U64 | |
169 | static __attribute__((unused)) | |
170 | unsigned int fls_u64(uint64_t x) | |
171 | { | |
172 | unsigned int r = 64; | |
173 | ||
174 | if (!x) | |
175 | return 0; | |
176 | ||
177 | if (!(x & 0xFFFFFFFF00000000ULL)) { | |
178 | x <<= 32; | |
179 | r -= 32; | |
180 | } | |
181 | if (!(x & 0xFFFF000000000000ULL)) { | |
182 | x <<= 16; | |
183 | r -= 16; | |
184 | } | |
185 | if (!(x & 0xFF00000000000000ULL)) { | |
186 | x <<= 8; | |
187 | r -= 8; | |
188 | } | |
189 | if (!(x & 0xF000000000000000ULL)) { | |
190 | x <<= 4; | |
191 | r -= 4; | |
192 | } | |
193 | if (!(x & 0xC000000000000000ULL)) { | |
194 | x <<= 2; | |
195 | r -= 2; | |
196 | } | |
197 | if (!(x & 0x8000000000000000ULL)) { | |
198 | x <<= 1; | |
199 | r -= 1; | |
200 | } | |
201 | return r; | |
202 | } | |
203 | #endif | |
204 | ||
205 | #ifndef HAS_FLS_U32 | |
206 | static __attribute__((unused)) | |
207 | unsigned int fls_u32(uint32_t x) | |
208 | { | |
209 | unsigned int r = 32; | |
210 | ||
211 | if (!x) | |
212 | return 0; | |
213 | if (!(x & 0xFFFF0000U)) { | |
214 | x <<= 16; | |
215 | r -= 16; | |
216 | } | |
217 | if (!(x & 0xFF000000U)) { | |
218 | x <<= 8; | |
219 | r -= 8; | |
220 | } | |
221 | if (!(x & 0xF0000000U)) { | |
222 | x <<= 4; | |
223 | r -= 4; | |
224 | } | |
225 | if (!(x & 0xC0000000U)) { | |
226 | x <<= 2; | |
227 | r -= 2; | |
228 | } | |
229 | if (!(x & 0x80000000U)) { | |
230 | x <<= 1; | |
231 | r -= 1; | |
232 | } | |
233 | return r; | |
234 | } | |
235 | #endif | |
236 | ||
237 | static | |
238 | unsigned int fls_ulong(unsigned long x) | |
239 | { | |
240 | #if (CAA_BITS_PER_LONG == 32) | |
241 | return fls_u32(x); | |
242 | #else | |
243 | return fls_u64(x); | |
244 | #endif | |
245 | } | |
246 | ||
247 | /* | |
248 | * Return the minimum order for which x <= (1UL << order). | |
249 | * Return -1 if x is 0. | |
250 | */ | |
251 | int get_count_order_u32(uint32_t x) | |
252 | { | |
253 | if (!x) | |
254 | return -1; | |
255 | ||
256 | return fls_u32(x - 1); | |
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_u64(uint64_t x) | |
264 | { | |
265 | if (!x) | |
266 | return -1; | |
267 | ||
268 | return fls_u64(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_ulong(unsigned long x) | |
276 | { | |
277 | if (!x) | |
278 | return -1; | |
279 | ||
280 | return fls_ulong(x - 1); | |
281 | } | |
b9dfb167 DG |
282 | |
283 | const char *get_domain_str(enum lttng_domain_type domain) | |
284 | { | |
285 | const char *str_dom; | |
286 | ||
287 | switch (domain) { | |
288 | case LTTNG_DOMAIN_KERNEL: | |
289 | str_dom = str_kernel; | |
290 | break; | |
291 | case LTTNG_DOMAIN_UST: | |
292 | str_dom = str_ust; | |
293 | break; | |
294 | case LTTNG_DOMAIN_JUL: | |
295 | str_dom = str_jul; | |
296 | break; | |
5cdb6027 DG |
297 | case LTTNG_DOMAIN_LOG4J: |
298 | str_dom = str_log4j; | |
299 | break; | |
0e115563 DG |
300 | case LTTNG_DOMAIN_PYTHON: |
301 | str_dom = str_python; | |
302 | break; | |
b9dfb167 DG |
303 | default: |
304 | /* Should not have an unknown domain or else define it. */ | |
305 | assert(0); | |
306 | } | |
307 | ||
308 | return str_dom; | |
309 | } | |
8960e9cd | 310 | |
4fd2697f FD |
311 | const char *get_event_type_str(enum lttng_event_type type) |
312 | { | |
313 | const char *str_event_type; | |
314 | ||
315 | switch (type) { | |
316 | case LTTNG_EVENT_ALL: | |
317 | str_event_type = str_all; | |
318 | break; | |
319 | case LTTNG_EVENT_TRACEPOINT: | |
320 | str_event_type = str_tracepoint; | |
321 | break; | |
322 | case LTTNG_EVENT_SYSCALL: | |
323 | str_event_type = str_syscall; | |
324 | break; | |
325 | case LTTNG_EVENT_PROBE: | |
326 | str_event_type = str_probe; | |
327 | break; | |
328 | case LTTNG_EVENT_USERSPACE_PROBE: | |
329 | str_event_type = str_userspace_probe; | |
330 | break; | |
331 | case LTTNG_EVENT_FUNCTION: | |
332 | str_event_type = str_function; | |
333 | break; | |
334 | default: | |
335 | /* Should not have an unknown event type or else define it. */ | |
336 | assert(0); | |
337 | } | |
338 | ||
339 | return str_event_type; | |
340 | } | |
341 | ||
8960e9cd DG |
342 | /* |
343 | * Spawn a lttng relayd daemon by forking and execv. | |
344 | */ | |
345 | int spawn_relayd(const char *pathname, int port) | |
346 | { | |
347 | int ret = 0; | |
348 | pid_t pid; | |
349 | char url[255]; | |
350 | ||
351 | if (!port) { | |
352 | port = DEFAULT_NETWORK_VIEWER_PORT; | |
353 | } | |
354 | ||
355 | ret = snprintf(url, sizeof(url), "tcp://localhost:%d", port); | |
356 | if (ret < 0) { | |
357 | goto end; | |
358 | } | |
359 | ||
360 | MSG("Spawning a relayd daemon"); | |
361 | pid = fork(); | |
362 | if (pid == 0) { | |
363 | /* | |
364 | * Spawn session daemon and tell | |
365 | * it to signal us when ready. | |
366 | */ | |
367 | execlp(pathname, "lttng-relayd", "-L", url, NULL); | |
368 | /* execlp only returns if error happened */ | |
369 | if (errno == ENOENT) { | |
370 | ERR("No relayd found. Use --relayd-path."); | |
371 | } else { | |
6f04ed72 | 372 | PERROR("execlp"); |
8960e9cd DG |
373 | } |
374 | kill(getppid(), SIGTERM); /* wake parent */ | |
375 | exit(EXIT_FAILURE); | |
376 | } else if (pid > 0) { | |
377 | goto end; | |
378 | } else { | |
6f04ed72 | 379 | PERROR("fork"); |
8960e9cd DG |
380 | ret = -1; |
381 | goto end; | |
382 | } | |
383 | ||
384 | end: | |
385 | return ret; | |
386 | } | |
387 | ||
388 | /* | |
389 | * Check if relayd is alive. | |
390 | * | |
391 | * Return 1 if found else 0 if NOT found. Negative value on error. | |
392 | */ | |
393 | int check_relayd(void) | |
394 | { | |
395 | int ret, fd; | |
396 | struct sockaddr_in sin; | |
397 | ||
398 | fd = socket(AF_INET, SOCK_STREAM, 0); | |
399 | if (fd < 0) { | |
6f04ed72 | 400 | PERROR("socket check relayd"); |
dd02a4c1 DG |
401 | ret = -1; |
402 | goto error_socket; | |
8960e9cd DG |
403 | } |
404 | ||
405 | sin.sin_family = AF_INET; | |
406 | sin.sin_port = htons(DEFAULT_NETWORK_VIEWER_PORT); | |
407 | ret = inet_pton(sin.sin_family, "127.0.0.1", &sin.sin_addr); | |
408 | if (ret < 1) { | |
6f04ed72 | 409 | PERROR("inet_pton check relayd"); |
dd02a4c1 | 410 | ret = -1; |
8960e9cd DG |
411 | goto error; |
412 | } | |
413 | ||
414 | /* | |
415 | * A successful connect means the relayd exists thus returning 0 else a | |
416 | * negative value means it does NOT exists. | |
417 | */ | |
56efeab3 | 418 | ret = connect(fd, (struct sockaddr *) &sin, sizeof(sin)); |
8960e9cd DG |
419 | if (ret < 0) { |
420 | /* Not found. */ | |
421 | ret = 0; | |
422 | } else { | |
423 | /* Already spawned. */ | |
424 | ret = 1; | |
425 | } | |
426 | ||
8960e9cd | 427 | error: |
dd02a4c1 | 428 | if (close(fd) < 0) { |
6f04ed72 | 429 | PERROR("close relayd fd"); |
dd02a4c1 DG |
430 | } |
431 | error_socket: | |
432 | return ret; | |
8960e9cd | 433 | } |
3ecec76a | 434 | |
3533d06b JG |
435 | int print_missing_or_multiple_domains(unsigned int domain_count, |
436 | bool include_agent_domains) | |
3ecec76a PP |
437 | { |
438 | int ret = 0; | |
439 | ||
3533d06b JG |
440 | if (domain_count == 0) { |
441 | ERR("Please specify a domain (--kernel/--userspace%s).", | |
442 | include_agent_domains ? | |
443 | "/--jul/--log4j/--python" : | |
444 | ""); | |
3ecec76a | 445 | ret = -1; |
3533d06b JG |
446 | } else if (domain_count > 1) { |
447 | ERR("Only one domain must be specified."); | |
3ecec76a PP |
448 | ret = -1; |
449 | } | |
450 | ||
451 | return ret; | |
452 | } | |
20fb9e02 JD |
453 | |
454 | /* | |
455 | * Get the discarded events and lost packet counts. | |
456 | */ | |
457 | void print_session_stats(const char *session_name) | |
458 | { | |
58f237ca JG |
459 | char *str; |
460 | const int ret = get_session_stats_str(session_name, &str); | |
461 | ||
462 | if (ret >= 0 && str) { | |
463 | MSG("%s", str); | |
464 | free(str); | |
465 | } | |
466 | } | |
467 | ||
468 | int get_session_stats_str(const char *session_name, char **out_str) | |
469 | { | |
470 | int count, nb_domains, domain_idx, channel_idx, session_idx, ret; | |
20fb9e02 JD |
471 | struct lttng_domain *domains; |
472 | struct lttng_channel *channels; | |
3e8f2238 JG |
473 | uint64_t discarded_events_total = 0, lost_packets_total = 0; |
474 | struct lttng_session *sessions = NULL; | |
475 | const struct lttng_session *selected_session = NULL; | |
58f237ca JG |
476 | char *stats_str = NULL; |
477 | bool print_discarded_events = false, print_lost_packets = false; | |
3e8f2238 JG |
478 | |
479 | count = lttng_list_sessions(&sessions); | |
480 | if (count < 1) { | |
481 | ERR("Failed to retrieve session descriptions while printing session statistics."); | |
58f237ca | 482 | ret = -1; |
3e8f2238 JG |
483 | goto end; |
484 | } | |
485 | ||
486 | /* Identify the currently-selected sessions. */ | |
487 | for (session_idx = 0; session_idx < count; session_idx++) { | |
488 | if (!strcmp(session_name, sessions[session_idx].name)) { | |
489 | selected_session = &sessions[session_idx]; | |
490 | break; | |
491 | } | |
492 | } | |
493 | if (!selected_session) { | |
494 | ERR("Failed to retrieve session \"%s\" description while printing session statistics.", session_name); | |
58f237ca | 495 | ret = -1; |
3e8f2238 JG |
496 | goto end; |
497 | } | |
20fb9e02 JD |
498 | |
499 | nb_domains = lttng_list_domains(session_name, &domains); | |
500 | if (nb_domains < 0) { | |
58f237ca | 501 | ret = -1; |
20fb9e02 JD |
502 | goto end; |
503 | } | |
504 | for (domain_idx = 0; domain_idx < nb_domains; domain_idx++) { | |
505 | struct lttng_handle *handle = lttng_create_handle(session_name, | |
506 | &domains[domain_idx]); | |
507 | ||
508 | if (!handle) { | |
3e8f2238 | 509 | ERR("Failed to create session handle while printing session statistics."); |
58f237ca | 510 | ret = -1; |
20fb9e02 JD |
511 | goto end; |
512 | } | |
513 | ||
514 | count = lttng_list_channels(handle, &channels); | |
515 | for (channel_idx = 0; channel_idx < count; channel_idx++) { | |
3e8f2238 | 516 | uint64_t discarded_events = 0, lost_packets = 0; |
20fb9e02 JD |
517 | struct lttng_channel *channel = &channels[channel_idx]; |
518 | ||
519 | ret = lttng_channel_get_discarded_event_count(channel, | |
3e8f2238 | 520 | &discarded_events); |
20fb9e02 JD |
521 | if (ret) { |
522 | ERR("Failed to retrieve discarded event count from channel %s", | |
523 | channel->name); | |
524 | } | |
525 | ||
526 | ret = lttng_channel_get_lost_packet_count(channel, | |
3e8f2238 | 527 | &lost_packets); |
20fb9e02 JD |
528 | if (ret) { |
529 | ERR("Failed to retrieve lost packet count from channel %s", | |
530 | channel->name); | |
531 | } | |
532 | ||
3e8f2238 JG |
533 | discarded_events_total += discarded_events; |
534 | lost_packets_total += lost_packets; | |
20fb9e02 JD |
535 | } |
536 | lttng_destroy_handle(handle); | |
537 | } | |
58f237ca JG |
538 | |
539 | print_discarded_events = discarded_events_total > 0 && | |
540 | !selected_session->snapshot_mode; | |
541 | print_lost_packets = lost_packets_total > 0 && | |
542 | !selected_session->snapshot_mode; | |
543 | ||
544 | if (print_discarded_events && print_lost_packets) { | |
545 | ret = asprintf(&stats_str, | |
546 | "Warning: %" PRIu64 | |
547 | " events were discarded and %" PRIu64 | |
548 | " packets were lost, please refer to " | |
549 | "the documentation on channel configuration.", | |
550 | discarded_events_total, lost_packets_total); | |
551 | } else if (print_discarded_events) { | |
552 | ret = asprintf(&stats_str, | |
553 | "Warning: %" PRIu64 | |
554 | " events were discarded, please refer to " | |
20fb9e02 | 555 | "the documentation on channel configuration.", |
3e8f2238 | 556 | discarded_events_total); |
58f237ca JG |
557 | } else if (print_lost_packets) { |
558 | ret = asprintf(&stats_str, | |
559 | "Warning: %" PRIu64 | |
560 | " packets were lost, please refer to " | |
20fb9e02 | 561 | "the documentation on channel configuration.", |
3e8f2238 | 562 | lost_packets_total); |
58f237ca JG |
563 | } else { |
564 | ret = 0; | |
20fb9e02 JD |
565 | } |
566 | ||
58f237ca JG |
567 | if (ret < 0) { |
568 | ERR("Failed to format lost packet and discarded events statistics"); | |
569 | } else { | |
570 | *out_str = stats_str; | |
571 | ret = 0; | |
572 | } | |
20fb9e02 | 573 | end: |
3e8f2238 | 574 | free(sessions); |
58f237ca | 575 | return ret; |
20fb9e02 | 576 | } |
4ba92f18 | 577 | |
4fc83d94 | 578 | int show_cmd_help(const char *cmd_name, const char *help_msg) |
4ba92f18 PP |
579 | { |
580 | int ret; | |
581 | char page_name[32]; | |
582 | ||
583 | ret = sprintf(page_name, "lttng-%s", cmd_name); | |
584 | assert(ret > 0 && ret < 32); | |
4fc83d94 PP |
585 | ret = utils_show_help(1, page_name, help_msg); |
586 | if (ret && !help_msg) { | |
587 | ERR("Cannot view man page `lttng-%s(1)`", cmd_name); | |
588 | perror("exec"); | |
589 | } | |
4ba92f18 | 590 | |
4fc83d94 | 591 | return ret; |
4ba92f18 | 592 | } |
bbbfd849 JG |
593 | |
594 | int print_trace_archive_location( | |
595 | const struct lttng_trace_archive_location *location, | |
596 | const char *session_name) | |
597 | { | |
598 | int ret = 0; | |
599 | enum lttng_trace_archive_location_type location_type; | |
600 | enum lttng_trace_archive_location_status status; | |
601 | bool printed_location = false; | |
602 | ||
603 | location_type = lttng_trace_archive_location_get_type(location); | |
604 | ||
605 | _MSG("Trace chunk archive for session %s is now readable", | |
606 | session_name); | |
607 | switch (location_type) { | |
608 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL: | |
609 | { | |
610 | const char *absolute_path; | |
611 | ||
612 | status = lttng_trace_archive_location_local_get_absolute_path( | |
613 | location, &absolute_path); | |
614 | if (status != LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK) { | |
615 | ret = -1; | |
616 | goto end; | |
617 | } | |
618 | MSG(" at %s", absolute_path); | |
619 | printed_location = true; | |
620 | break; | |
621 | } | |
622 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY: | |
623 | { | |
624 | uint16_t control_port, data_port; | |
625 | const char *host, *relative_path, *protocol_str; | |
626 | enum lttng_trace_archive_location_relay_protocol_type protocol; | |
627 | ||
628 | /* Fetch all relay location parameters. */ | |
629 | status = lttng_trace_archive_location_relay_get_protocol_type( | |
630 | location, &protocol); | |
631 | if (status != LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK) { | |
632 | ret = -1; | |
633 | goto end; | |
634 | } | |
635 | ||
636 | status = lttng_trace_archive_location_relay_get_host( | |
637 | location, &host); | |
638 | if (status != LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK) { | |
639 | ret = -1; | |
640 | goto end; | |
641 | } | |
642 | ||
643 | status = lttng_trace_archive_location_relay_get_control_port( | |
644 | location, &control_port); | |
645 | if (status != LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK) { | |
646 | ret = -1; | |
647 | goto end; | |
648 | } | |
649 | ||
650 | status = lttng_trace_archive_location_relay_get_data_port( | |
651 | location, &data_port); | |
652 | if (status != LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK) { | |
653 | ret = -1; | |
654 | goto end; | |
655 | } | |
656 | ||
657 | status = lttng_trace_archive_location_relay_get_relative_path( | |
658 | location, &relative_path); | |
659 | if (status != LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK) { | |
660 | ret = -1; | |
661 | goto end; | |
662 | } | |
663 | ||
664 | switch (protocol) { | |
665 | case LTTNG_TRACE_ARCHIVE_LOCATION_RELAY_PROTOCOL_TYPE_TCP: | |
666 | protocol_str = "tcp"; | |
667 | break; | |
668 | default: | |
669 | protocol_str = "unknown"; | |
670 | break; | |
671 | } | |
672 | ||
673 | MSG(" on relay %s://%s/%s [control port %" PRIu16 ", data port %" | |
674 | PRIu16 "]", protocol_str, host, | |
675 | relative_path, control_port, data_port); | |
676 | printed_location = true; | |
677 | break; | |
678 | } | |
679 | default: | |
680 | break; | |
681 | } | |
682 | end: | |
683 | if (!printed_location) { | |
684 | MSG(" at an unknown location"); | |
685 | } | |
686 | return ret; | |
687 | } |