Commit | Line | Data |
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f3ed775e DG |
1 | /* |
2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> | |
3 | * | |
d14d33bf AM |
4 | * This program is free software; you can redistribute it and/or modify |
5 | * it under the terms of the GNU General Public License, version 2 only, | |
6 | * as published by the Free Software Foundation. | |
f3ed775e DG |
7 | * |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
d14d33bf AM |
13 | * You should have received a copy of the GNU General Public License along |
14 | * with this program; if not, write to the Free Software Foundation, Inc., | |
15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
f3ed775e DG |
16 | */ |
17 | ||
18 | #define _GNU_SOURCE | |
a4b92340 | 19 | #include <assert.h> |
ecc48a90 | 20 | #include <ctype.h> |
f3ed775e DG |
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 <time.h> | |
28 | #include <unistd.h> | |
29 | ||
c399183f | 30 | #include "../command.h" |
679b4943 | 31 | #include "../utils.h" |
f3ed775e | 32 | |
00e2e675 | 33 | #include <common/defaults.h> |
42224349 | 34 | #include <common/sessiond-comm/sessiond-comm.h> |
00e2e675 | 35 | #include <common/uri.h> |
81b86775 | 36 | #include <common/utils.h> |
16f6f820 | 37 | #include <lttng/snapshot.h> |
42224349 | 38 | |
f3ed775e DG |
39 | static char *opt_output_path; |
40 | static char *opt_session_name; | |
a4b92340 DG |
41 | static char *opt_url; |
42 | static char *opt_ctrl_url; | |
43 | static char *opt_data_url; | |
44 | static int opt_no_consumer; | |
96fe6b8d | 45 | static int opt_no_output; |
16f6f820 | 46 | static int opt_snapshot; |
ecc48a90 | 47 | static unsigned int opt_live_timer; |
a4b92340 | 48 | static int opt_disable_consumer; |
f3ed775e DG |
49 | |
50 | enum { | |
51 | OPT_HELP = 1, | |
679b4943 | 52 | OPT_LIST_OPTIONS, |
ecc48a90 | 53 | OPT_LIVE_TIMER, |
f3ed775e DG |
54 | }; |
55 | ||
56 | static struct poptOption long_options[] = { | |
57 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
679b4943 SM |
58 | {"help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL}, |
59 | {"output", 'o', POPT_ARG_STRING, &opt_output_path, 0, NULL, NULL}, | |
60 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, | |
23d14dff DG |
61 | {"set-url", 'U', POPT_ARG_STRING, &opt_url, 0, 0, 0}, |
62 | {"ctrl-url", 'C', POPT_ARG_STRING, &opt_ctrl_url, 0, 0, 0}, | |
63 | {"data-url", 'D', POPT_ARG_STRING, &opt_data_url, 0, 0, 0}, | |
96fe6b8d | 64 | {"no-output", 0, POPT_ARG_VAL, &opt_no_output, 1, 0, 0}, |
2bba9e53 | 65 | {"no-consumer", 0, POPT_ARG_VAL, &opt_no_consumer, 1, 0, 0}, |
a4b92340 | 66 | {"disable-consumer", 0, POPT_ARG_VAL, &opt_disable_consumer, 1, 0, 0}, |
16f6f820 | 67 | {"snapshot", 0, POPT_ARG_VAL, &opt_snapshot, 1, 0, 0}, |
d73c5802 | 68 | {"live", 0, POPT_ARG_INT | POPT_ARGFLAG_OPTIONAL, 0, OPT_LIVE_TIMER, 0, 0}, |
f3ed775e DG |
69 | {0, 0, 0, 0, 0, 0, 0} |
70 | }; | |
71 | ||
16de1a24 DG |
72 | /* |
73 | * Please have a look at src/lib/lttng-ctl/lttng-ctl.c for more information on | |
74 | * why this declaration exists and used ONLY in for this command. | |
75 | */ | |
07424f16 | 76 | extern int _lttng_create_session_ext(const char *name, const char *url, |
ecc48a90 | 77 | const char *datetime, int live_timer); |
07424f16 | 78 | |
f3ed775e DG |
79 | /* |
80 | * usage | |
81 | */ | |
82 | static void usage(FILE *ofp) | |
83 | { | |
a4b92340 | 84 | fprintf(ofp, "usage: lttng create [NAME] [OPTIONS] \n"); |
f3ed775e | 85 | fprintf(ofp, "\n"); |
a4b92340 DG |
86 | fprintf(ofp, "Without a given NAME, the default is 'auto-<yyyymmdd>-<hhmmss>'\n"); |
87 | fprintf(ofp, "\n"); | |
88 | fprintf(ofp, "Options:\n"); | |
f3ed775e | 89 | fprintf(ofp, " -h, --help Show this help\n"); |
1c8d13c8 | 90 | fprintf(ofp, " --list-options Simple listing of options\n"); |
58a97671 | 91 | fprintf(ofp, " -o, --output PATH Specify output path for traces\n"); |
96fe6b8d | 92 | fprintf(ofp, " --no-output Traces will not be outputted\n"); |
a2d6893b | 93 | fprintf(ofp, " --snapshot Set the session in snapshot mode.\n"); |
96fe6b8d | 94 | fprintf(ofp, " Created in no-output mode and uses the URL,\n"); |
16f6f820 DG |
95 | fprintf(ofp, " if one, as the default snapshot output.\n"); |
96 | fprintf(ofp, " Every channel will be set in overwrite mode\n"); | |
97 | fprintf(ofp, " and with mmap output (splice not supported).\n"); | |
d73c5802 | 98 | fprintf(ofp, " --live [USEC] Set the session in live-reading mode.\n"); |
ecc48a90 JD |
99 | fprintf(ofp, " The delay parameter in micro-seconds is the\n"); |
100 | fprintf(ofp, " maximum time the user can wait for the data\n"); | |
d73c5802 DG |
101 | fprintf(ofp, " to be flushed. Can be set with a network\n"); |
102 | fprintf(ofp, " URL (-U or -C/-D) and must have a relayd listening.\n"); | |
103 | fprintf(ofp, " By default, %u is used for the timer and the\n", | |
104 | DEFAULT_LTTNG_LIVE_TIMER); | |
105 | fprintf(ofp, " network URL is set to net://127.0.0.1.\n"); | |
a4b92340 DG |
106 | fprintf(ofp, "\n"); |
107 | fprintf(ofp, "Extended Options:\n"); | |
108 | fprintf(ofp, "\n"); | |
109 | fprintf(ofp, "Using these options, each API call can be controlled individually.\n"); | |
110 | fprintf(ofp, "\n"); | |
111 | fprintf(ofp, " -U, --set-url=URL Set URL destination of the trace data.\n"); | |
00e2e675 | 112 | fprintf(ofp, " It is persistent for the session lifetime.\n"); |
a4b92340 DG |
113 | fprintf(ofp, " This will set both data and control URL.\n"); |
114 | fprintf(ofp, " You can change it with the enable-consumer cmd\n"); | |
115 | fprintf(ofp, " -C, --ctrl-url=URL Set control path URL. (Must use -D also)\n"); | |
116 | fprintf(ofp, " -D, --data-url=URL Set data path URL. (Must use -C also)\n"); | |
a4b92340 DG |
117 | fprintf(ofp, "\n"); |
118 | fprintf(ofp, "Please refer to the man page (lttng(1)) for more information on network\n"); | |
119 | fprintf(ofp, "streaming mechanisms and explanation of the control and data port\n"); | |
120 | fprintf(ofp, "You must have a running remote lttng-relayd for network streaming\n"); | |
121 | fprintf(ofp, "\n"); | |
122 | fprintf(ofp, "URL format is has followed:\n"); | |
123 | fprintf(ofp, "\n"); | |
124 | fprintf(ofp, " proto://[HOST|IP][:PORT1[:PORT2]][/TRACE_PATH]\n"); | |
125 | fprintf(ofp, "\n"); | |
126 | fprintf(ofp, " Supported protocols are (proto):\n"); | |
127 | fprintf(ofp, " > file://...\n"); | |
128 | fprintf(ofp, " Local filesystem full path.\n"); | |
129 | fprintf(ofp, "\n"); | |
16de1a24 | 130 | fprintf(ofp, " > net[6]://...\n"); |
a4b92340 DG |
131 | fprintf(ofp, " This will use the default network transport layer which is\n"); |
132 | fprintf(ofp, " TCP for both control (PORT1) and data port (PORT2).\n"); | |
133 | fprintf(ofp, " The default ports are respectively 5342 and 5343.\n"); | |
134 | fprintf(ofp, "\n"); | |
0ab61906 | 135 | fprintf(ofp, " > tcp[6]://...\n"); |
a4b92340 DG |
136 | fprintf(ofp, " Can only be used with -C and -D together\n"); |
137 | fprintf(ofp, "\n"); | |
138 | fprintf(ofp, "NOTE: IPv6 address MUST be enclosed in brackets '[]' (rfc2732)\n"); | |
139 | fprintf(ofp, "\n"); | |
140 | fprintf(ofp, "Examples:\n"); | |
141 | fprintf(ofp, " # lttng create -U net://192.168.1.42\n"); | |
142 | fprintf(ofp, " Uses TCP and default ports for the given destination.\n"); | |
143 | fprintf(ofp, " # lttng create -U net6://[fe80::f66d:4ff:fe53:d220]\n"); | |
144 | fprintf(ofp, " Uses TCP, default ports and IPv6.\n"); | |
145 | fprintf(ofp, " # lttng create s1 -U net://myhost.com:3229\n"); | |
146 | fprintf(ofp, " Set the consumer to the remote HOST on port 3229 for control.\n"); | |
f3ed775e DG |
147 | fprintf(ofp, "\n"); |
148 | } | |
149 | ||
00e2e675 | 150 | /* |
a4b92340 | 151 | * For a session name, set the consumer URLs. |
00e2e675 | 152 | */ |
a4b92340 DG |
153 | static int set_consumer_url(const char *session_name, const char *ctrl_url, |
154 | const char *data_url) | |
00e2e675 | 155 | { |
a4b92340 DG |
156 | int ret; |
157 | struct lttng_handle *handle; | |
158 | struct lttng_domain dom; | |
159 | ||
160 | assert(session_name); | |
161 | ||
162 | /* | |
163 | * Set handle with the session name and the domain set to 0. This means to | |
164 | * the session daemon that the next action applies on the tracing session | |
165 | * rather then the domain specific session. | |
166 | */ | |
167 | memset(&dom, 0, sizeof(dom)); | |
168 | ||
169 | handle = lttng_create_handle(session_name, &dom); | |
170 | if (handle == NULL) { | |
171 | ret = CMD_FATAL; | |
172 | goto error; | |
173 | } | |
00e2e675 | 174 | |
a4b92340 DG |
175 | ret = lttng_set_consumer_url(handle, ctrl_url, data_url); |
176 | if (ret < 0) { | |
177 | goto error; | |
00e2e675 DG |
178 | } |
179 | ||
a4b92340 DG |
180 | if (ctrl_url) { |
181 | MSG("Control URL %s set for session %s", ctrl_url, session_name); | |
00e2e675 DG |
182 | } |
183 | ||
a4b92340 DG |
184 | if (data_url) { |
185 | MSG("Data URL %s set for session %s", data_url, session_name); | |
186 | } | |
187 | ||
188 | error: | |
189 | lttng_destroy_handle(handle); | |
190 | return ret; | |
191 | } | |
192 | ||
16f6f820 DG |
193 | static int add_snapshot_output(const char *session_name, const char *ctrl_url, |
194 | const char *data_url) | |
195 | { | |
196 | int ret; | |
197 | struct lttng_snapshot_output *output = NULL; | |
198 | ||
199 | assert(session_name); | |
200 | ||
201 | output = lttng_snapshot_output_create(); | |
202 | if (!output) { | |
203 | ret = CMD_FATAL; | |
204 | goto error_create; | |
205 | } | |
206 | ||
207 | if (ctrl_url) { | |
208 | ret = lttng_snapshot_output_set_ctrl_url(ctrl_url, output); | |
209 | if (ret < 0) { | |
210 | goto error; | |
211 | } | |
212 | } | |
213 | ||
214 | if (data_url) { | |
215 | ret = lttng_snapshot_output_set_data_url(data_url, output); | |
216 | if (ret < 0) { | |
217 | goto error; | |
218 | } | |
219 | } | |
220 | ||
221 | /* This call, if successful, populates the id of the output object. */ | |
222 | ret = lttng_snapshot_add_output(session_name, output); | |
223 | if (ret < 0) { | |
224 | goto error; | |
225 | } | |
226 | ||
227 | error: | |
228 | lttng_snapshot_output_destroy(output); | |
229 | error_create: | |
230 | return ret; | |
231 | } | |
232 | ||
f3ed775e | 233 | /* |
1c8d13c8 TD |
234 | * Create a tracing session. |
235 | * If no name is specified, a default name is generated. | |
f3ed775e | 236 | * |
1c8d13c8 | 237 | * Returns one of the CMD_* result constants. |
f3ed775e | 238 | */ |
a4b92340 | 239 | static int create_session(void) |
f3ed775e | 240 | { |
a4b92340 | 241 | int ret; |
07424f16 | 242 | char *session_name = NULL, *traces_path = NULL, *alloc_path = NULL; |
a4b92340 | 243 | char *alloc_url = NULL, *url = NULL, datetime[16]; |
487b253b | 244 | char session_name_date[NAME_MAX + 17], *print_str_url = NULL; |
f3ed775e DG |
245 | time_t rawtime; |
246 | struct tm *timeinfo; | |
247 | ||
d6175221 DG |
248 | /* Get date and time for automatic session name/path */ |
249 | time(&rawtime); | |
250 | timeinfo = localtime(&rawtime); | |
251 | strftime(datetime, sizeof(datetime), "%Y%m%d-%H%M%S", timeinfo); | |
252 | ||
f3ed775e DG |
253 | /* Auto session name creation */ |
254 | if (opt_session_name == NULL) { | |
07424f16 DG |
255 | ret = snprintf(session_name_date, sizeof(session_name_date), |
256 | DEFAULT_SESSION_NAME "-%s", datetime); | |
d6175221 | 257 | if (ret < 0) { |
07424f16 DG |
258 | PERROR("snprintf session name"); |
259 | goto error; | |
260 | } | |
04965770 | 261 | session_name = session_name_date; |
07424f16 | 262 | DBG("Auto session name set to %s", session_name_date); |
f3ed775e | 263 | } else { |
487b253b DG |
264 | if (strlen(opt_session_name) > NAME_MAX) { |
265 | ERR("Session name too long. Length must be lower or equal to %d", | |
266 | NAME_MAX); | |
267 | ret = LTTNG_ERR_SESSION_FAIL; | |
268 | goto error; | |
269 | } | |
4b861950 DG |
270 | /* |
271 | * Check if the session name begins with "auto-" or is exactly "auto". | |
272 | * Both are reserved for the default session name. See bug #449 to | |
273 | * understand why we need to check both here. | |
274 | */ | |
275 | if ((strncmp(opt_session_name, DEFAULT_SESSION_NAME "-", | |
276 | strlen(DEFAULT_SESSION_NAME) + 1) == 0) || | |
277 | (strncmp(opt_session_name, DEFAULT_SESSION_NAME, | |
61b35a5a | 278 | strlen(DEFAULT_SESSION_NAME)) == 0 && |
4b861950 | 279 | strlen(opt_session_name) == strlen(DEFAULT_SESSION_NAME))) { |
61b35a5a DG |
280 | ERR("%s is a reserved keyword for default session(s)", |
281 | DEFAULT_SESSION_NAME); | |
282 | ret = CMD_ERROR; | |
283 | goto error; | |
284 | } | |
f3ed775e | 285 | session_name = opt_session_name; |
07424f16 DG |
286 | ret = snprintf(session_name_date, sizeof(session_name_date), |
287 | "%s-%s", session_name, datetime); | |
288 | if (ret < 0) { | |
289 | PERROR("snprintf session name"); | |
290 | goto error; | |
291 | } | |
f3ed775e DG |
292 | } |
293 | ||
1a241656 DG |
294 | if ((!opt_ctrl_url && opt_data_url) || (opt_ctrl_url && !opt_data_url)) { |
295 | ERR("You need both control and data URL."); | |
296 | ret = CMD_ERROR; | |
297 | goto error; | |
298 | } | |
299 | ||
785d2d0d | 300 | if (opt_output_path != NULL) { |
81b86775 | 301 | traces_path = utils_expand_path(opt_output_path); |
00e2e675 DG |
302 | if (traces_path == NULL) { |
303 | ret = CMD_ERROR; | |
304 | goto error; | |
305 | } | |
306 | ||
a4b92340 DG |
307 | /* Create URL string from the local filesytem path */ |
308 | ret = asprintf(&alloc_url, "file://%s", traces_path); | |
00e2e675 | 309 | if (ret < 0) { |
a4b92340 | 310 | PERROR("asprintf url path"); |
00e2e675 DG |
311 | ret = CMD_FATAL; |
312 | goto error; | |
313 | } | |
a4b92340 DG |
314 | /* URL to use in the lttng_create_session() call */ |
315 | url = alloc_url; | |
40b03f52 | 316 | print_str_url = traces_path; |
a4b92340 DG |
317 | } else if (opt_url) { /* Handling URL (-U opt) */ |
318 | url = opt_url; | |
40b03f52 | 319 | print_str_url = url; |
1a241656 DG |
320 | } else if (opt_data_url && opt_ctrl_url) { |
321 | /* | |
322 | * With both control and data, we'll be setting the consumer URL after | |
323 | * session creation thus use no URL. | |
324 | */ | |
325 | url = NULL; | |
2bba9e53 | 326 | } else if (!opt_no_output) { |
00e2e675 | 327 | /* Auto output path */ |
feb0f3e5 | 328 | alloc_path = utils_get_home_dir(); |
f3ed775e | 329 | if (alloc_path == NULL) { |
d386b234 | 330 | ERR("HOME path not found.\n \ |
00e2e675 | 331 | Please specify an output path using -o, --output PATH"); |
f3ed775e DG |
332 | ret = CMD_FATAL; |
333 | goto error; | |
334 | } | |
d386b234 | 335 | alloc_path = strdup(alloc_path); |
f3ed775e | 336 | |
07424f16 DG |
337 | ret = asprintf(&alloc_url, |
338 | "file://%s/" DEFAULT_TRACE_DIR_NAME "/%s", | |
339 | alloc_path, session_name_date); | |
58a97671 | 340 | if (ret < 0) { |
00e2e675 DG |
341 | PERROR("asprintf trace dir name"); |
342 | ret = CMD_FATAL; | |
58a97671 DG |
343 | goto error; |
344 | } | |
00e2e675 | 345 | |
a4b92340 | 346 | url = alloc_url; |
1a241656 | 347 | print_str_url = alloc_url + strlen("file://"); |
2bba9e53 | 348 | } else { |
96fe6b8d | 349 | /* No output means --no-output or --snapshot mode. */ |
2bba9e53 | 350 | url = NULL; |
00e2e675 DG |
351 | } |
352 | ||
1a241656 | 353 | /* Use default live URL if NO url is/are found. */ |
ecc48a90 | 354 | if ((opt_live_timer && !opt_url) && (opt_live_timer && !opt_data_url)) { |
d73c5802 DG |
355 | ret = asprintf(&alloc_url, "net://127.0.0.1"); |
356 | if (ret < 0) { | |
357 | PERROR("asprintf default live URL"); | |
358 | ret = CMD_FATAL; | |
359 | goto error; | |
360 | } | |
361 | url = alloc_url; | |
362 | print_str_url = url; | |
ecc48a90 JD |
363 | } |
364 | ||
365 | if (opt_snapshot && opt_live_timer) { | |
366 | ERR("Snapshot and live modes are mutually exclusive."); | |
367 | ret = CMD_ERROR; | |
368 | goto error; | |
369 | } | |
370 | ||
16f6f820 DG |
371 | if (opt_snapshot) { |
372 | /* No output by default. */ | |
373 | const char *snapshot_url = NULL; | |
374 | ||
375 | if (opt_url) { | |
376 | snapshot_url = url; | |
377 | } else if (!opt_data_url && !opt_ctrl_url) { | |
378 | /* This is the session path that we need to use as output. */ | |
379 | snapshot_url = url; | |
380 | } | |
381 | ret = lttng_create_session_snapshot(session_name, snapshot_url); | |
ecc48a90 | 382 | } else if (opt_live_timer) { |
8960e9cd DG |
383 | const char *pathname; |
384 | ||
385 | if (opt_relayd_path) { | |
386 | pathname = opt_relayd_path; | |
387 | } else { | |
388 | pathname = INSTALL_BIN_PATH "/lttng-relayd"; | |
389 | } | |
2c521c63 DG |
390 | if (!opt_url && !opt_data_url && !check_relayd() && |
391 | spawn_relayd(pathname, 0) < 0) { | |
8960e9cd DG |
392 | goto error; |
393 | } | |
ecc48a90 | 394 | ret = lttng_create_session_live(session_name, url, opt_live_timer); |
16f6f820 | 395 | } else { |
ecc48a90 | 396 | ret = _lttng_create_session_ext(session_name, url, datetime, -1); |
16f6f820 | 397 | } |
f3ed775e | 398 | if (ret < 0) { |
ae856491 | 399 | /* Don't set ret so lttng can interpret the sessiond error. */ |
42224349 | 400 | switch (-ret) { |
f73fabfd | 401 | case LTTNG_ERR_EXIST_SESS: |
42224349 DG |
402 | WARN("Session %s already exists", session_name); |
403 | break; | |
60e835ca | 404 | default: |
60e835ca | 405 | break; |
42224349 | 406 | } |
f3ed775e DG |
407 | goto error; |
408 | } | |
409 | ||
0ab61906 | 410 | if (opt_ctrl_url && opt_data_url) { |
16f6f820 DG |
411 | if (opt_snapshot) { |
412 | ret = add_snapshot_output(session_name, opt_ctrl_url, | |
413 | opt_data_url); | |
414 | } else { | |
415 | /* Setting up control URI (-C or/and -D opt) */ | |
416 | ret = set_consumer_url(session_name, opt_ctrl_url, opt_data_url); | |
417 | } | |
a4b92340 | 418 | if (ret < 0) { |
4f50c803 DG |
419 | /* Destroy created session because the URL are not valid. */ |
420 | lttng_destroy_session(session_name); | |
a4b92340 DG |
421 | goto error; |
422 | } | |
4f50c803 DG |
423 | } |
424 | ||
425 | MSG("Session %s created.", session_name); | |
16f6f820 | 426 | if (print_str_url && !opt_snapshot) { |
4f50c803 | 427 | MSG("Traces will be written in %s", print_str_url); |
d73c5802 DG |
428 | |
429 | if (opt_live_timer) { | |
430 | MSG("Live timer set to %u usec", opt_live_timer); | |
431 | } | |
16f6f820 DG |
432 | } else if (opt_snapshot) { |
433 | if (print_str_url) { | |
434 | MSG("Default snapshot output set to: %s", print_str_url); | |
435 | } | |
436 | MSG("Snapshot mode set. Every channel enabled for that session will " | |
1daafe0d | 437 | "be set in overwrite mode and mmap output."); |
a4b92340 DG |
438 | } |
439 | ||
58a97671 DG |
440 | /* Init lttng session config */ |
441 | ret = config_init(session_name); | |
f3ed775e | 442 | if (ret < 0) { |
27089920 | 443 | ret = CMD_ERROR; |
f3ed775e DG |
444 | goto error; |
445 | } | |
446 | ||
f3ed775e DG |
447 | ret = CMD_SUCCESS; |
448 | ||
449 | error: | |
0e428499 DG |
450 | free(alloc_url); |
451 | free(traces_path); | |
87f222b6 | 452 | free(alloc_path); |
a4b92340 DG |
453 | |
454 | if (ret < 0) { | |
455 | ERR("%s", lttng_strerror(ret)); | |
456 | } | |
f3ed775e DG |
457 | return ret; |
458 | } | |
459 | ||
460 | /* | |
74cc1d0f | 461 | * The 'create <options>' first level command |
1c8d13c8 TD |
462 | * |
463 | * Returns one of the CMD_* result constants. | |
f3ed775e DG |
464 | */ |
465 | int cmd_create(int argc, const char **argv) | |
466 | { | |
467 | int opt, ret = CMD_SUCCESS; | |
ecc48a90 | 468 | char *opt_arg = NULL; |
f3ed775e DG |
469 | static poptContext pc; |
470 | ||
471 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
472 | poptReadDefaultConfig(pc, 0); | |
473 | ||
474 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
475 | switch (opt) { | |
476 | case OPT_HELP: | |
27089920 | 477 | usage(stdout); |
f3ed775e | 478 | goto end; |
679b4943 SM |
479 | case OPT_LIST_OPTIONS: |
480 | list_cmd_options(stdout, long_options); | |
679b4943 | 481 | goto end; |
ecc48a90 JD |
482 | case OPT_LIVE_TIMER: |
483 | { | |
484 | unsigned long v; | |
485 | ||
486 | errno = 0; | |
487 | opt_arg = poptGetOptArg(pc); | |
d73c5802 DG |
488 | if (!opt_arg) { |
489 | /* Set up default values. */ | |
490 | opt_live_timer = (uint32_t) DEFAULT_LTTNG_LIVE_TIMER; | |
491 | DBG("Session live timer interval set to default value %d", | |
492 | opt_live_timer); | |
493 | break; | |
494 | } | |
495 | ||
ecc48a90 JD |
496 | v = strtoul(opt_arg, NULL, 0); |
497 | if (errno != 0 || !isdigit(opt_arg[0])) { | |
498 | ERR("Wrong value in --live parameter: %s", opt_arg); | |
499 | ret = CMD_ERROR; | |
500 | goto end; | |
501 | } | |
502 | if (v != (uint32_t) v) { | |
503 | ERR("32-bit overflow in --live parameter: %s", opt_arg); | |
504 | ret = CMD_ERROR; | |
505 | goto end; | |
506 | } | |
507 | opt_live_timer = (uint32_t) v; | |
508 | DBG("Session live timer interval set to %d", opt_live_timer); | |
509 | break; | |
510 | } | |
f3ed775e DG |
511 | default: |
512 | usage(stderr); | |
513 | ret = CMD_UNDEFINED; | |
514 | goto end; | |
515 | } | |
516 | } | |
517 | ||
c7e35b03 JR |
518 | /* TODO: mi support */ |
519 | if (lttng_opt_mi) { | |
520 | ret = -LTTNG_ERR_MI_NOT_IMPLEMENTED; | |
521 | ERR("mi option not supported"); | |
522 | goto end; | |
523 | } | |
524 | ||
785d2d0d | 525 | if (opt_no_consumer) { |
96fe6b8d | 526 | MSG("The option --no-consumer is obsolete. Use --no-output now."); |
785d2d0d DG |
527 | ret = CMD_WARNING; |
528 | goto end; | |
529 | } | |
530 | ||
531 | if (opt_disable_consumer) { | |
532 | MSG("The option --disable-consumer is obsolete."); | |
533 | ret = CMD_WARNING; | |
534 | goto end; | |
535 | } | |
536 | ||
f3ed775e DG |
537 | opt_session_name = (char*) poptGetArg(pc); |
538 | ||
539 | ret = create_session(); | |
540 | ||
541 | end: | |
ca1c3607 | 542 | poptFreeContext(pc); |
f3ed775e DG |
543 | return ret; |
544 | } |