Commit | Line | Data |
---|---|---|
7a278c8e | 1 | /* |
ea0b4b9e | 2 | * fs.c |
7a278c8e | 3 | * |
ea0b4b9e | 4 | * Babeltrace CTF file system Reader Component |
7a278c8e | 5 | * |
f3bc2010 | 6 | * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
7a278c8e JG |
7 | * |
8 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
9 | * | |
10 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
11 | * of this software and associated documentation files (the "Software"), to deal | |
12 | * in the Software without restriction, including without limitation the rights | |
13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
14 | * copies of the Software, and to permit persons to whom the Software is | |
15 | * furnished to do so, subject to the following conditions: | |
16 | * | |
17 | * The above copyright notice and this permission notice shall be included in | |
18 | * all copies or substantial portions of the Software. | |
19 | * | |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
23 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
26 | * SOFTWARE. | |
27 | */ | |
28 | ||
5b29e799 | 29 | #include <babeltrace/ctf-ir/packet.h> |
ac0c6bdd | 30 | #include <babeltrace/ctf-ir/clock-class.h> |
4f1f88a6 | 31 | #include <babeltrace/graph/private-port.h> |
b2e0c907 | 32 | #include <babeltrace/graph/private-component.h> |
4f1f88a6 PP |
33 | #include <babeltrace/graph/private-component-source.h> |
34 | #include <babeltrace/graph/private-notification-iterator.h> | |
b2e0c907 PP |
35 | #include <babeltrace/graph/component.h> |
36 | #include <babeltrace/graph/notification-iterator.h> | |
599faa1c | 37 | #include <babeltrace/graph/clock-class-priority-map.h> |
7d61fa8e | 38 | #include <plugins-common.h> |
ea0b4b9e JG |
39 | #include <glib.h> |
40 | #include <assert.h> | |
56a1cced JG |
41 | #include <unistd.h> |
42 | #include "fs.h" | |
413bc2c4 JG |
43 | #include "metadata.h" |
44 | #include "data-stream.h" | |
e7a4393b JG |
45 | #include "file.h" |
46 | ||
47 | #define PRINT_ERR_STREAM ctf_fs->error_fp | |
48 | #define PRINT_PREFIX "ctf-fs" | |
49 | #include "print.h" | |
33f93973 | 50 | #define METADATA_TEXT_SIG "/* CTF 1.8" |
ea0b4b9e | 51 | |
78bb6992 MD |
52 | BT_HIDDEN |
53 | bool ctf_fs_debug; | |
ea0b4b9e | 54 | |
41a2b7ae | 55 | struct bt_notification_iterator_next_return ctf_fs_iterator_next( |
4f1f88a6 | 56 | struct bt_private_notification_iterator *iterator) |
ea0b4b9e | 57 | { |
4f1f88a6 PP |
58 | struct ctf_fs_stream *fs_stream = |
59 | bt_private_notification_iterator_get_user_data(iterator); | |
d01e0f33 | 60 | |
4f1f88a6 | 61 | return ctf_fs_stream_next(fs_stream); |
ea0b4b9e | 62 | } |
bfd20a42 | 63 | |
4f1f88a6 | 64 | void ctf_fs_iterator_finalize(struct bt_private_notification_iterator *it) |
760051fa | 65 | { |
4f1f88a6 PP |
66 | void *ctf_fs_stream = |
67 | bt_private_notification_iterator_get_user_data(it); | |
760051fa | 68 | |
4f1f88a6 | 69 | ctf_fs_stream_destroy(ctf_fs_stream); |
760051fa JG |
70 | } |
71 | ||
4f1f88a6 PP |
72 | enum bt_notification_iterator_status ctf_fs_iterator_init( |
73 | struct bt_private_notification_iterator *it, | |
74 | struct bt_private_port *port) | |
4c1456f0 | 75 | { |
4f1f88a6 PP |
76 | struct ctf_fs_stream *stream = NULL; |
77 | struct ctf_fs_component *ctf_fs; | |
78 | struct ctf_fs_port_data *port_data; | |
79 | struct bt_private_component *priv_comp = | |
80 | bt_private_notification_iterator_get_private_component(it); | |
81 | enum bt_notification_iterator_status ret = | |
82 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
760051fa | 83 | |
4f1f88a6 | 84 | assert(priv_comp); |
5b29e799 | 85 | |
4f1f88a6 PP |
86 | ctf_fs = bt_private_component_get_user_data(priv_comp); |
87 | if (!ctf_fs) { | |
88 | ret = BT_NOTIFICATION_ITERATOR_STATUS_INVAL; | |
89 | goto error; | |
760051fa JG |
90 | } |
91 | ||
4f1f88a6 PP |
92 | port_data = bt_private_port_get_user_data(port); |
93 | if (!port_data) { | |
94 | ret = BT_NOTIFICATION_ITERATOR_STATUS_INVAL; | |
95 | goto error; | |
96 | } | |
5b29e799 | 97 | |
4f1f88a6 | 98 | stream = ctf_fs_stream_create(ctf_fs, port_data->path->str); |
5b29e799 | 99 | if (!stream) { |
4f1f88a6 | 100 | goto error; |
760051fa JG |
101 | } |
102 | ||
4f1f88a6 PP |
103 | ret = bt_private_notification_iterator_set_user_data(it, stream); |
104 | if (ret) { | |
105 | goto error; | |
760051fa JG |
106 | } |
107 | ||
4f1f88a6 PP |
108 | stream = NULL; |
109 | goto end; | |
5b29e799 | 110 | |
4f1f88a6 PP |
111 | error: |
112 | (void) bt_private_notification_iterator_set_user_data(it, NULL); | |
113 | ||
114 | if (ret == BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
115 | ret = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
760051fa | 116 | } |
5b29e799 | 117 | |
760051fa | 118 | end: |
4f1f88a6 PP |
119 | ctf_fs_stream_destroy(stream); |
120 | bt_put(priv_comp); | |
760051fa JG |
121 | return ret; |
122 | } | |
123 | ||
760051fa | 124 | static |
4f1f88a6 | 125 | void ctf_fs_destroy_data(struct ctf_fs_component *ctf_fs) |
760051fa | 126 | { |
4f1f88a6 | 127 | if (!ctf_fs) { |
8fa760ba JG |
128 | return; |
129 | } | |
4f1f88a6 PP |
130 | |
131 | if (ctf_fs->trace_path) { | |
132 | g_string_free(ctf_fs->trace_path, TRUE); | |
56a1cced | 133 | } |
4f1f88a6 PP |
134 | |
135 | if (ctf_fs->port_data) { | |
136 | g_ptr_array_free(ctf_fs->port_data, TRUE); | |
c14d7e26 | 137 | } |
760051fa | 138 | |
4f1f88a6 PP |
139 | if (ctf_fs->metadata) { |
140 | ctf_fs_metadata_fini(ctf_fs->metadata); | |
141 | g_free(ctf_fs->metadata); | |
142 | } | |
760051fa | 143 | |
599faa1c | 144 | bt_put(ctf_fs->cc_prio_map); |
4f1f88a6 | 145 | g_free(ctf_fs); |
4c1456f0 JG |
146 | } |
147 | ||
4f1f88a6 | 148 | void ctf_fs_finalize(struct bt_private_component *component) |
a4792757 | 149 | { |
4f1f88a6 PP |
150 | void *data = bt_private_component_get_user_data(component); |
151 | ||
152 | ctf_fs_destroy_data(data); | |
a4792757 JG |
153 | } |
154 | ||
e7a4393b | 155 | static |
4f1f88a6 PP |
156 | void port_data_destroy(void *data) { |
157 | struct ctf_fs_port_data *port_data = data; | |
158 | ||
159 | if (!port_data) { | |
160 | return; | |
161 | } | |
162 | ||
163 | if (port_data->path) { | |
164 | g_string_free(port_data->path, TRUE); | |
165 | } | |
166 | ||
167 | g_free(port_data); | |
5b29e799 JG |
168 | } |
169 | ||
170 | static | |
4f1f88a6 PP |
171 | int create_one_port(struct ctf_fs_component *ctf_fs, |
172 | const char *stream_basename, const char *stream_path) | |
5b29e799 | 173 | { |
4f1f88a6 PP |
174 | int ret = 0; |
175 | struct bt_private_port *port = NULL; | |
176 | struct ctf_fs_port_data *port_data = NULL; | |
177 | GString *port_name = NULL; | |
178 | ||
179 | port_name = g_string_new(NULL); | |
180 | if (!port_name) { | |
181 | goto error; | |
182 | } | |
183 | ||
184 | /* Assign the name for the new output port */ | |
185 | g_string_assign(port_name, ""); | |
186 | g_string_printf(port_name, "trace0-stream-%s", stream_basename); | |
187 | PDBG("Creating one port named `%s` associated with path `%s`\n", | |
188 | port_name->str, stream_path); | |
189 | ||
190 | /* Create output port for this file */ | |
191 | port = bt_private_component_source_add_output_private_port( | |
192 | ctf_fs->priv_comp, port_name->str); | |
193 | if (!port) { | |
194 | goto error; | |
195 | } | |
196 | ||
197 | port_data = g_new0(struct ctf_fs_port_data, 1); | |
198 | if (!port_data) { | |
199 | goto error; | |
200 | } | |
201 | ||
202 | port_data->path = g_string_new(stream_path); | |
203 | if (!port_data->path) { | |
204 | goto error; | |
205 | } | |
206 | ||
207 | ret = bt_private_port_set_user_data(port, port_data); | |
208 | if (ret) { | |
209 | goto error; | |
210 | } | |
211 | ||
212 | g_ptr_array_add(ctf_fs->port_data, port_data); | |
213 | port_data = NULL; | |
214 | goto end; | |
215 | ||
216 | error: | |
217 | ret = -1; | |
218 | ||
219 | end: | |
220 | if (port_name) { | |
221 | g_string_free(port_name, TRUE); | |
222 | } | |
223 | ||
224 | bt_put(port); | |
225 | port_data_destroy(port_data); | |
226 | return ret; | |
5b29e799 JG |
227 | } |
228 | ||
229 | static | |
4f1f88a6 | 230 | int create_ports(struct ctf_fs_component *ctf_fs) |
e7a4393b JG |
231 | { |
232 | int ret = 0; | |
4f1f88a6 | 233 | const char *basename; |
e7a4393b | 234 | GError *error = NULL; |
4f1f88a6 PP |
235 | GDir *dir = NULL; |
236 | struct bt_private_port *def_port; | |
237 | struct ctf_fs_file *file = NULL; | |
e7a4393b | 238 | |
4f1f88a6 PP |
239 | /* Remove default port if needed */ |
240 | def_port = bt_private_component_source_get_default_output_private_port( | |
241 | ctf_fs->priv_comp); | |
242 | if (def_port) { | |
243 | bt_private_port_remove_from_component(def_port); | |
244 | bt_put(def_port); | |
245 | } | |
246 | ||
247 | /* Create one output port for each stream file */ | |
248 | dir = g_dir_open(ctf_fs->trace_path->str, 0, &error); | |
e7a4393b | 249 | if (!dir) { |
4f1f88a6 PP |
250 | PERR("Cannot open directory `%s`: %s (code %d)\n", |
251 | ctf_fs->trace_path->str, error->message, | |
252 | error->code); | |
e7a4393b JG |
253 | goto error; |
254 | } | |
255 | ||
4f1f88a6 PP |
256 | while ((basename = g_dir_read_name(dir))) { |
257 | if (!strcmp(basename, CTF_FS_METADATA_FILENAME)) { | |
e7a4393b | 258 | /* Ignore the metadata stream. */ |
4f1f88a6 | 259 | PDBG("Ignoring metadata file `%s`\n", basename); |
e7a4393b JG |
260 | continue; |
261 | } | |
262 | ||
4f1f88a6 PP |
263 | if (basename[0] == '.') { |
264 | PDBG("Ignoring hidden file `%s`\n", basename); | |
e7a4393b JG |
265 | continue; |
266 | } | |
267 | ||
268 | /* Create the file. */ | |
269 | file = ctf_fs_file_create(ctf_fs); | |
270 | if (!file) { | |
4f1f88a6 PP |
271 | PERR("Cannot create stream file object for file `%s`\n", |
272 | basename); | |
e7a4393b JG |
273 | goto error; |
274 | } | |
275 | ||
276 | /* Create full path string. */ | |
277 | g_string_append_printf(file->path, "%s/%s", | |
4f1f88a6 | 278 | ctf_fs->trace_path->str, basename); |
e7a4393b | 279 | if (!g_file_test(file->path->str, G_FILE_TEST_IS_REGULAR)) { |
4f1f88a6 | 280 | PDBG("Ignoring non-regular file `%s`\n", basename); |
e7a4393b | 281 | ctf_fs_file_destroy(file); |
4f1f88a6 | 282 | file = NULL; |
e7a4393b JG |
283 | continue; |
284 | } | |
285 | ||
4f1f88a6 PP |
286 | ret = ctf_fs_file_open(ctf_fs, file, "rb"); |
287 | if (ret) { | |
288 | PERR("Cannot open stream file `%s`\n", basename); | |
e7a4393b JG |
289 | goto error; |
290 | } | |
291 | ||
9fa0891a JG |
292 | if (file->size == 0) { |
293 | /* Skip empty stream. */ | |
4f1f88a6 | 294 | PDBG("Ignoring empty file `%s`\n", basename); |
9fa0891a | 295 | ctf_fs_file_destroy(file); |
4f1f88a6 | 296 | file = NULL; |
9fa0891a JG |
297 | continue; |
298 | } | |
299 | ||
4f1f88a6 PP |
300 | ret = create_one_port(ctf_fs, basename, file->path->str); |
301 | if (ret) { | |
302 | PERR("Cannot create output port for file `%s`\n", | |
303 | basename); | |
e7a4393b JG |
304 | goto error; |
305 | } | |
306 | ||
4f1f88a6 PP |
307 | ctf_fs_file_destroy(file); |
308 | file = NULL; | |
e7a4393b JG |
309 | } |
310 | ||
311 | goto end; | |
4f1f88a6 | 312 | |
e7a4393b JG |
313 | error: |
314 | ret = -1; | |
4f1f88a6 | 315 | |
e7a4393b JG |
316 | end: |
317 | if (dir) { | |
318 | g_dir_close(dir); | |
319 | dir = NULL; | |
320 | } | |
4f1f88a6 | 321 | |
e7a4393b JG |
322 | if (error) { |
323 | g_error_free(error); | |
324 | } | |
5b29e799 | 325 | |
4f1f88a6 | 326 | ctf_fs_file_destroy(file); |
91457551 | 327 | return ret; |
5b29e799 JG |
328 | } |
329 | ||
599faa1c PP |
330 | static |
331 | int create_cc_prio_map(struct ctf_fs_component *ctf_fs) | |
332 | { | |
333 | int ret = 0; | |
334 | size_t i; | |
335 | int count; | |
336 | ||
337 | assert(ctf_fs); | |
338 | ctf_fs->cc_prio_map = bt_clock_class_priority_map_create(); | |
339 | if (!ctf_fs->cc_prio_map) { | |
340 | ret = -1; | |
341 | goto end; | |
342 | } | |
343 | ||
344 | count = bt_ctf_trace_get_clock_class_count(ctf_fs->metadata->trace); | |
345 | assert(count >= 0); | |
346 | ||
347 | for (i = 0; i < count; i++) { | |
348 | struct bt_ctf_clock_class *clock_class = | |
349 | bt_ctf_trace_get_clock_class(ctf_fs->metadata->trace, | |
350 | i); | |
351 | ||
352 | assert(clock_class); | |
353 | ret = bt_clock_class_priority_map_add_clock_class( | |
354 | ctf_fs->cc_prio_map, clock_class, 0); | |
355 | BT_PUT(clock_class); | |
356 | ||
357 | if (ret) { | |
358 | goto end; | |
359 | } | |
360 | } | |
361 | ||
362 | end: | |
363 | return ret; | |
364 | } | |
365 | ||
5b29e799 | 366 | static |
4f1f88a6 PP |
367 | struct ctf_fs_component *ctf_fs_create(struct bt_private_component *priv_comp, |
368 | struct bt_value *params) | |
56a1cced JG |
369 | { |
370 | struct ctf_fs_component *ctf_fs; | |
1ef09eb5 | 371 | struct bt_value *value = NULL; |
56a1cced | 372 | const char *path; |
4f1f88a6 | 373 | int ret; |
56a1cced JG |
374 | |
375 | ctf_fs = g_new0(struct ctf_fs_component, 1); | |
376 | if (!ctf_fs) { | |
377 | goto end; | |
378 | } | |
379 | ||
4f1f88a6 PP |
380 | /* |
381 | * We don't need to get a new reference here because as long as | |
382 | * our private ctf_fs_component object exists, the containing | |
383 | * private component should also exist. | |
384 | */ | |
385 | ctf_fs->priv_comp = priv_comp; | |
386 | ||
56a1cced JG |
387 | /* FIXME: should probably look for a source URI */ |
388 | value = bt_value_map_get(params, "path"); | |
389 | if (!value || bt_value_is_null(value) || !bt_value_is_string(value)) { | |
390 | goto error; | |
391 | } | |
392 | ||
393 | ret = bt_value_string_get(value, &path); | |
4f1f88a6 PP |
394 | if (ret) { |
395 | goto error; | |
396 | } | |
397 | ||
398 | ctf_fs->port_data = g_ptr_array_new_with_free_func(port_data_destroy); | |
399 | if (!ctf_fs->port_data) { | |
56a1cced JG |
400 | goto error; |
401 | } | |
402 | ||
403 | ctf_fs->trace_path = g_string_new(path); | |
404 | if (!ctf_fs->trace_path) { | |
92540773 | 405 | BT_PUT(value); |
56a1cced JG |
406 | goto error; |
407 | } | |
92540773 JD |
408 | bt_put(value); |
409 | ||
410 | value = bt_value_map_get(params, "offset-s"); | |
411 | if (value) { | |
412 | int64_t offset; | |
413 | ||
414 | if (!bt_value_is_integer(value)) { | |
415 | fprintf(stderr, | |
416 | "offset-s should be an integer\n"); | |
417 | goto error; | |
418 | } | |
419 | ret = bt_value_integer_get(value, &offset); | |
420 | if (ret != BT_VALUE_STATUS_OK) { | |
421 | fprintf(stderr, | |
422 | "Failed to get offset-s value\n"); | |
423 | goto error; | |
424 | } | |
425 | ctf_fs->options.clock_offset = offset; | |
426 | bt_put(value); | |
427 | } | |
428 | ||
429 | value = bt_value_map_get(params, "offset-ns"); | |
430 | if (value) { | |
431 | int64_t offset; | |
432 | ||
433 | if (!bt_value_is_integer(value)) { | |
434 | fprintf(stderr, | |
435 | "offset-ns should be an integer\n"); | |
436 | goto error; | |
437 | } | |
438 | ret = bt_value_integer_get(value, &offset); | |
439 | if (ret != BT_VALUE_STATUS_OK) { | |
440 | fprintf(stderr, | |
441 | "Failed to get offset-ns value\n"); | |
442 | goto error; | |
443 | } | |
444 | ctf_fs->options.clock_offset_ns = offset; | |
445 | bt_put(value); | |
446 | } | |
447 | ||
56a1cced JG |
448 | ctf_fs->error_fp = stderr; |
449 | ctf_fs->page_size = (size_t) getpagesize(); | |
e7a4393b JG |
450 | |
451 | // FIXME: check error. | |
5b29e799 JG |
452 | ctf_fs->metadata = g_new0(struct ctf_fs_metadata, 1); |
453 | if (!ctf_fs->metadata) { | |
e7a4393b JG |
454 | goto error; |
455 | } | |
4f1f88a6 PP |
456 | |
457 | ret = ctf_fs_metadata_set_trace(ctf_fs); | |
458 | if (ret) { | |
459 | goto error; | |
460 | } | |
461 | ||
599faa1c PP |
462 | ret = create_cc_prio_map(ctf_fs); |
463 | if (ret) { | |
464 | goto error; | |
465 | } | |
466 | ||
4f1f88a6 PP |
467 | ret = create_ports(ctf_fs); |
468 | if (ret) { | |
469 | goto error; | |
470 | } | |
471 | ||
1ef09eb5 JG |
472 | goto end; |
473 | ||
56a1cced JG |
474 | error: |
475 | ctf_fs_destroy_data(ctf_fs); | |
e7a4393b | 476 | ctf_fs = NULL; |
1ef09eb5 | 477 | end: |
56a1cced JG |
478 | return ctf_fs; |
479 | } | |
480 | ||
ea0b4b9e | 481 | BT_HIDDEN |
4f1f88a6 | 482 | enum bt_component_status ctf_fs_init(struct bt_private_component *priv_comp, |
7d61fa8e | 483 | struct bt_value *params, UNUSED_VAR void *init_method_data) |
ea0b4b9e JG |
484 | { |
485 | struct ctf_fs_component *ctf_fs; | |
486 | enum bt_component_status ret = BT_COMPONENT_STATUS_OK; | |
487 | ||
4f1f88a6 | 488 | assert(priv_comp); |
ea0b4b9e | 489 | ctf_fs_debug = g_strcmp0(getenv("CTF_FS_DEBUG"), "1") == 0; |
4f1f88a6 | 490 | ctf_fs = ctf_fs_create(priv_comp, params); |
ea0b4b9e JG |
491 | if (!ctf_fs) { |
492 | ret = BT_COMPONENT_STATUS_NOMEM; | |
493 | goto end; | |
494 | } | |
4c1456f0 | 495 | |
4f1f88a6 | 496 | ret = bt_private_component_set_user_data(priv_comp, ctf_fs); |
ea0b4b9e JG |
497 | if (ret != BT_COMPONENT_STATUS_OK) { |
498 | goto error; | |
499 | } | |
ea0b4b9e JG |
500 | end: |
501 | return ret; | |
502 | error: | |
4f1f88a6 | 503 | (void) bt_private_component_set_user_data(priv_comp, NULL); |
760051fa | 504 | ctf_fs_destroy_data(ctf_fs); |
ea0b4b9e JG |
505 | return ret; |
506 | } | |
33f93973 PP |
507 | |
508 | BT_HIDDEN | |
a67681c1 PP |
509 | struct bt_value *ctf_fs_query(struct bt_component_class *comp_class, |
510 | const char *object, struct bt_value *params) | |
33f93973 PP |
511 | { |
512 | struct bt_value *results = NULL; | |
513 | struct bt_value *path_value = NULL; | |
514 | char *metadata_text = NULL; | |
515 | FILE *metadata_fp = NULL; | |
516 | GString *g_metadata_text = NULL; | |
517 | ||
a67681c1 | 518 | if (strcmp(object, "metadata-info") == 0) { |
33f93973 PP |
519 | int ret; |
520 | int bo; | |
521 | const char *path; | |
522 | bool is_packetized; | |
523 | ||
524 | results = bt_value_map_create(); | |
525 | if (!results) { | |
526 | goto error; | |
527 | } | |
528 | ||
529 | if (!bt_value_is_map(params)) { | |
530 | fprintf(stderr, | |
a67681c1 | 531 | "Query parameters is not a map value object\n"); |
33f93973 PP |
532 | goto error; |
533 | } | |
534 | ||
535 | path_value = bt_value_map_get(params, "path"); | |
536 | ret = bt_value_string_get(path_value, &path); | |
537 | if (ret) { | |
538 | fprintf(stderr, | |
539 | "Cannot get `path` string parameter\n"); | |
540 | goto error; | |
541 | } | |
542 | ||
543 | assert(path); | |
544 | metadata_fp = ctf_fs_metadata_open_file(path); | |
545 | if (!metadata_fp) { | |
546 | fprintf(stderr, | |
547 | "Cannot open trace at path `%s`\n", path); | |
548 | goto error; | |
549 | } | |
550 | ||
551 | is_packetized = ctf_metadata_is_packetized(metadata_fp, &bo); | |
552 | ||
553 | if (is_packetized) { | |
554 | ret = ctf_metadata_packetized_file_to_buf(NULL, | |
555 | metadata_fp, (uint8_t **) &metadata_text, bo); | |
556 | if (ret) { | |
557 | fprintf(stderr, | |
558 | "Cannot decode packetized metadata file\n"); | |
559 | goto error; | |
560 | } | |
561 | } else { | |
562 | long filesize; | |
563 | ||
564 | fseek(metadata_fp, 0, SEEK_END); | |
565 | filesize = ftell(metadata_fp); | |
566 | rewind(metadata_fp); | |
567 | metadata_text = malloc(filesize + 1); | |
568 | if (!metadata_text) { | |
569 | fprintf(stderr, | |
570 | "Cannot allocate buffer for metadata text\n"); | |
571 | goto error; | |
572 | } | |
573 | ||
574 | if (fread(metadata_text, filesize, 1, metadata_fp) != | |
575 | 1) { | |
576 | fprintf(stderr, | |
577 | "Cannot read metadata file\n"); | |
578 | goto error; | |
579 | } | |
580 | ||
581 | metadata_text[filesize] = '\0'; | |
582 | } | |
583 | ||
584 | g_metadata_text = g_string_new(NULL); | |
585 | if (!g_metadata_text) { | |
586 | goto error; | |
587 | } | |
588 | ||
589 | if (strncmp(metadata_text, METADATA_TEXT_SIG, | |
590 | sizeof(METADATA_TEXT_SIG) - 1) != 0) { | |
591 | g_string_assign(g_metadata_text, METADATA_TEXT_SIG); | |
592 | g_string_append(g_metadata_text, " */\n\n"); | |
593 | } | |
594 | ||
595 | g_string_append(g_metadata_text, metadata_text); | |
596 | ||
597 | ret = bt_value_map_insert_string(results, "text", | |
598 | g_metadata_text->str); | |
599 | if (ret) { | |
600 | fprintf(stderr, "Cannot insert metadata text into results\n"); | |
601 | goto error; | |
602 | } | |
603 | ||
604 | ret = bt_value_map_insert_bool(results, "is-packetized", | |
605 | is_packetized); | |
606 | if (ret) { | |
607 | fprintf(stderr, "Cannot insert is packetized into results\n"); | |
608 | goto error; | |
609 | } | |
610 | } else { | |
a67681c1 | 611 | fprintf(stderr, "Unknown query object `%s`\n", object); |
33f93973 PP |
612 | goto error; |
613 | } | |
614 | ||
615 | goto end; | |
616 | ||
617 | error: | |
618 | BT_PUT(results); | |
619 | ||
620 | end: | |
621 | bt_put(path_value); | |
622 | free(metadata_text); | |
623 | ||
624 | if (g_metadata_text) { | |
625 | g_string_free(g_metadata_text, TRUE); | |
626 | } | |
627 | ||
628 | if (metadata_fp) { | |
629 | fclose(metadata_fp); | |
630 | } | |
631 | return results; | |
632 | } |