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 | 45 | #include "file.h" |
1e649dff | 46 | #include "../common/metadata/decoder.h" |
e7a4393b JG |
47 | |
48 | #define PRINT_ERR_STREAM ctf_fs->error_fp | |
49 | #define PRINT_PREFIX "ctf-fs" | |
50 | #include "print.h" | |
33f93973 | 51 | #define METADATA_TEXT_SIG "/* CTF 1.8" |
ea0b4b9e | 52 | |
78bb6992 MD |
53 | BT_HIDDEN |
54 | bool ctf_fs_debug; | |
ea0b4b9e | 55 | |
41a2b7ae | 56 | struct bt_notification_iterator_next_return ctf_fs_iterator_next( |
4f1f88a6 | 57 | struct bt_private_notification_iterator *iterator) |
ea0b4b9e | 58 | { |
4f1f88a6 PP |
59 | struct ctf_fs_stream *fs_stream = |
60 | bt_private_notification_iterator_get_user_data(iterator); | |
d01e0f33 | 61 | |
4f1f88a6 | 62 | return ctf_fs_stream_next(fs_stream); |
ea0b4b9e | 63 | } |
bfd20a42 | 64 | |
4f1f88a6 | 65 | void ctf_fs_iterator_finalize(struct bt_private_notification_iterator *it) |
760051fa | 66 | { |
4f1f88a6 PP |
67 | void *ctf_fs_stream = |
68 | bt_private_notification_iterator_get_user_data(it); | |
760051fa | 69 | |
4f1f88a6 | 70 | ctf_fs_stream_destroy(ctf_fs_stream); |
760051fa JG |
71 | } |
72 | ||
4f1f88a6 PP |
73 | enum bt_notification_iterator_status ctf_fs_iterator_init( |
74 | struct bt_private_notification_iterator *it, | |
75 | struct bt_private_port *port) | |
4c1456f0 | 76 | { |
4f1f88a6 PP |
77 | struct ctf_fs_stream *stream = NULL; |
78 | struct ctf_fs_component *ctf_fs; | |
79 | struct ctf_fs_port_data *port_data; | |
80 | struct bt_private_component *priv_comp = | |
81 | bt_private_notification_iterator_get_private_component(it); | |
82 | enum bt_notification_iterator_status ret = | |
83 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
760051fa | 84 | |
4f1f88a6 | 85 | assert(priv_comp); |
5b29e799 | 86 | |
4f1f88a6 PP |
87 | ctf_fs = bt_private_component_get_user_data(priv_comp); |
88 | if (!ctf_fs) { | |
89 | ret = BT_NOTIFICATION_ITERATOR_STATUS_INVAL; | |
90 | goto error; | |
760051fa JG |
91 | } |
92 | ||
4f1f88a6 PP |
93 | port_data = bt_private_port_get_user_data(port); |
94 | if (!port_data) { | |
95 | ret = BT_NOTIFICATION_ITERATOR_STATUS_INVAL; | |
96 | goto error; | |
97 | } | |
5b29e799 | 98 | |
4f1f88a6 | 99 | stream = ctf_fs_stream_create(ctf_fs, port_data->path->str); |
5b29e799 | 100 | if (!stream) { |
4f1f88a6 | 101 | goto error; |
760051fa JG |
102 | } |
103 | ||
4f1f88a6 PP |
104 | ret = bt_private_notification_iterator_set_user_data(it, stream); |
105 | if (ret) { | |
106 | goto error; | |
760051fa JG |
107 | } |
108 | ||
4f1f88a6 PP |
109 | stream = NULL; |
110 | goto end; | |
5b29e799 | 111 | |
4f1f88a6 PP |
112 | error: |
113 | (void) bt_private_notification_iterator_set_user_data(it, NULL); | |
114 | ||
115 | if (ret == BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
116 | ret = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
760051fa | 117 | } |
5b29e799 | 118 | |
760051fa | 119 | end: |
4f1f88a6 PP |
120 | ctf_fs_stream_destroy(stream); |
121 | bt_put(priv_comp); | |
760051fa JG |
122 | return ret; |
123 | } | |
124 | ||
760051fa | 125 | static |
4f1f88a6 | 126 | void ctf_fs_destroy_data(struct ctf_fs_component *ctf_fs) |
760051fa | 127 | { |
4f1f88a6 | 128 | if (!ctf_fs) { |
8fa760ba JG |
129 | return; |
130 | } | |
4f1f88a6 PP |
131 | |
132 | if (ctf_fs->trace_path) { | |
133 | g_string_free(ctf_fs->trace_path, TRUE); | |
56a1cced | 134 | } |
4f1f88a6 PP |
135 | |
136 | if (ctf_fs->port_data) { | |
137 | g_ptr_array_free(ctf_fs->port_data, TRUE); | |
c14d7e26 | 138 | } |
760051fa | 139 | |
4f1f88a6 PP |
140 | if (ctf_fs->metadata) { |
141 | ctf_fs_metadata_fini(ctf_fs->metadata); | |
142 | g_free(ctf_fs->metadata); | |
143 | } | |
760051fa | 144 | |
599faa1c | 145 | bt_put(ctf_fs->cc_prio_map); |
4f1f88a6 | 146 | g_free(ctf_fs); |
4c1456f0 JG |
147 | } |
148 | ||
4f1f88a6 | 149 | void ctf_fs_finalize(struct bt_private_component *component) |
a4792757 | 150 | { |
4f1f88a6 PP |
151 | void *data = bt_private_component_get_user_data(component); |
152 | ||
153 | ctf_fs_destroy_data(data); | |
a4792757 JG |
154 | } |
155 | ||
e7a4393b | 156 | static |
4f1f88a6 PP |
157 | void port_data_destroy(void *data) { |
158 | struct ctf_fs_port_data *port_data = data; | |
159 | ||
160 | if (!port_data) { | |
161 | return; | |
162 | } | |
163 | ||
164 | if (port_data->path) { | |
165 | g_string_free(port_data->path, TRUE); | |
166 | } | |
167 | ||
168 | g_free(port_data); | |
5b29e799 JG |
169 | } |
170 | ||
171 | static | |
4f1f88a6 PP |
172 | int create_one_port(struct ctf_fs_component *ctf_fs, |
173 | const char *stream_basename, const char *stream_path) | |
5b29e799 | 174 | { |
4f1f88a6 PP |
175 | int ret = 0; |
176 | struct bt_private_port *port = NULL; | |
177 | struct ctf_fs_port_data *port_data = NULL; | |
178 | GString *port_name = NULL; | |
179 | ||
180 | port_name = g_string_new(NULL); | |
181 | if (!port_name) { | |
182 | goto error; | |
183 | } | |
184 | ||
185 | /* Assign the name for the new output port */ | |
186 | g_string_assign(port_name, ""); | |
187 | g_string_printf(port_name, "trace0-stream-%s", stream_basename); | |
188 | PDBG("Creating one port named `%s` associated with path `%s`\n", | |
189 | port_name->str, stream_path); | |
190 | ||
191 | /* Create output port for this file */ | |
192 | port = bt_private_component_source_add_output_private_port( | |
193 | ctf_fs->priv_comp, port_name->str); | |
194 | if (!port) { | |
195 | goto error; | |
196 | } | |
197 | ||
198 | port_data = g_new0(struct ctf_fs_port_data, 1); | |
199 | if (!port_data) { | |
200 | goto error; | |
201 | } | |
202 | ||
203 | port_data->path = g_string_new(stream_path); | |
204 | if (!port_data->path) { | |
205 | goto error; | |
206 | } | |
207 | ||
208 | ret = bt_private_port_set_user_data(port, port_data); | |
209 | if (ret) { | |
210 | goto error; | |
211 | } | |
212 | ||
213 | g_ptr_array_add(ctf_fs->port_data, port_data); | |
214 | port_data = NULL; | |
215 | goto end; | |
216 | ||
217 | error: | |
218 | ret = -1; | |
219 | ||
220 | end: | |
221 | if (port_name) { | |
222 | g_string_free(port_name, TRUE); | |
223 | } | |
224 | ||
225 | bt_put(port); | |
226 | port_data_destroy(port_data); | |
227 | return ret; | |
5b29e799 JG |
228 | } |
229 | ||
230 | static | |
4f1f88a6 | 231 | int create_ports(struct ctf_fs_component *ctf_fs) |
e7a4393b JG |
232 | { |
233 | int ret = 0; | |
4f1f88a6 | 234 | const char *basename; |
e7a4393b | 235 | GError *error = NULL; |
4f1f88a6 PP |
236 | GDir *dir = NULL; |
237 | struct bt_private_port *def_port; | |
238 | struct ctf_fs_file *file = NULL; | |
e7a4393b | 239 | |
4f1f88a6 PP |
240 | /* Remove default port if needed */ |
241 | def_port = bt_private_component_source_get_default_output_private_port( | |
242 | ctf_fs->priv_comp); | |
243 | if (def_port) { | |
244 | bt_private_port_remove_from_component(def_port); | |
245 | bt_put(def_port); | |
246 | } | |
247 | ||
248 | /* Create one output port for each stream file */ | |
249 | dir = g_dir_open(ctf_fs->trace_path->str, 0, &error); | |
e7a4393b | 250 | if (!dir) { |
4f1f88a6 PP |
251 | PERR("Cannot open directory `%s`: %s (code %d)\n", |
252 | ctf_fs->trace_path->str, error->message, | |
253 | error->code); | |
e7a4393b JG |
254 | goto error; |
255 | } | |
256 | ||
4f1f88a6 PP |
257 | while ((basename = g_dir_read_name(dir))) { |
258 | if (!strcmp(basename, CTF_FS_METADATA_FILENAME)) { | |
e7a4393b | 259 | /* Ignore the metadata stream. */ |
4f1f88a6 | 260 | PDBG("Ignoring metadata file `%s`\n", basename); |
e7a4393b JG |
261 | continue; |
262 | } | |
263 | ||
4f1f88a6 PP |
264 | if (basename[0] == '.') { |
265 | PDBG("Ignoring hidden file `%s`\n", basename); | |
e7a4393b JG |
266 | continue; |
267 | } | |
268 | ||
269 | /* Create the file. */ | |
270 | file = ctf_fs_file_create(ctf_fs); | |
271 | if (!file) { | |
4f1f88a6 PP |
272 | PERR("Cannot create stream file object for file `%s`\n", |
273 | basename); | |
e7a4393b JG |
274 | goto error; |
275 | } | |
276 | ||
277 | /* Create full path string. */ | |
278 | g_string_append_printf(file->path, "%s/%s", | |
4f1f88a6 | 279 | ctf_fs->trace_path->str, basename); |
e7a4393b | 280 | if (!g_file_test(file->path->str, G_FILE_TEST_IS_REGULAR)) { |
4f1f88a6 | 281 | PDBG("Ignoring non-regular file `%s`\n", basename); |
e7a4393b | 282 | ctf_fs_file_destroy(file); |
4f1f88a6 | 283 | file = NULL; |
e7a4393b JG |
284 | continue; |
285 | } | |
286 | ||
4f1f88a6 PP |
287 | ret = ctf_fs_file_open(ctf_fs, file, "rb"); |
288 | if (ret) { | |
289 | PERR("Cannot open stream file `%s`\n", basename); | |
e7a4393b JG |
290 | goto error; |
291 | } | |
292 | ||
9fa0891a JG |
293 | if (file->size == 0) { |
294 | /* Skip empty stream. */ | |
4f1f88a6 | 295 | PDBG("Ignoring empty file `%s`\n", basename); |
9fa0891a | 296 | ctf_fs_file_destroy(file); |
4f1f88a6 | 297 | file = NULL; |
9fa0891a JG |
298 | continue; |
299 | } | |
300 | ||
4f1f88a6 PP |
301 | ret = create_one_port(ctf_fs, basename, file->path->str); |
302 | if (ret) { | |
303 | PERR("Cannot create output port for file `%s`\n", | |
304 | basename); | |
e7a4393b JG |
305 | goto error; |
306 | } | |
307 | ||
4f1f88a6 PP |
308 | ctf_fs_file_destroy(file); |
309 | file = NULL; | |
e7a4393b JG |
310 | } |
311 | ||
312 | goto end; | |
4f1f88a6 | 313 | |
e7a4393b JG |
314 | error: |
315 | ret = -1; | |
4f1f88a6 | 316 | |
e7a4393b JG |
317 | end: |
318 | if (dir) { | |
319 | g_dir_close(dir); | |
320 | dir = NULL; | |
321 | } | |
4f1f88a6 | 322 | |
e7a4393b JG |
323 | if (error) { |
324 | g_error_free(error); | |
325 | } | |
5b29e799 | 326 | |
4f1f88a6 | 327 | ctf_fs_file_destroy(file); |
91457551 | 328 | return ret; |
5b29e799 JG |
329 | } |
330 | ||
599faa1c PP |
331 | static |
332 | int create_cc_prio_map(struct ctf_fs_component *ctf_fs) | |
333 | { | |
334 | int ret = 0; | |
335 | size_t i; | |
336 | int count; | |
337 | ||
338 | assert(ctf_fs); | |
339 | ctf_fs->cc_prio_map = bt_clock_class_priority_map_create(); | |
340 | if (!ctf_fs->cc_prio_map) { | |
341 | ret = -1; | |
342 | goto end; | |
343 | } | |
344 | ||
345 | count = bt_ctf_trace_get_clock_class_count(ctf_fs->metadata->trace); | |
346 | assert(count >= 0); | |
347 | ||
348 | for (i = 0; i < count; i++) { | |
349 | struct bt_ctf_clock_class *clock_class = | |
350 | bt_ctf_trace_get_clock_class(ctf_fs->metadata->trace, | |
351 | i); | |
352 | ||
353 | assert(clock_class); | |
354 | ret = bt_clock_class_priority_map_add_clock_class( | |
355 | ctf_fs->cc_prio_map, clock_class, 0); | |
356 | BT_PUT(clock_class); | |
357 | ||
358 | if (ret) { | |
359 | goto end; | |
360 | } | |
361 | } | |
362 | ||
363 | end: | |
364 | return ret; | |
365 | } | |
366 | ||
5b29e799 | 367 | static |
4f1f88a6 PP |
368 | struct ctf_fs_component *ctf_fs_create(struct bt_private_component *priv_comp, |
369 | struct bt_value *params) | |
56a1cced JG |
370 | { |
371 | struct ctf_fs_component *ctf_fs; | |
1ef09eb5 | 372 | struct bt_value *value = NULL; |
56a1cced | 373 | const char *path; |
4f1f88a6 | 374 | int ret; |
56a1cced JG |
375 | |
376 | ctf_fs = g_new0(struct ctf_fs_component, 1); | |
377 | if (!ctf_fs) { | |
378 | goto end; | |
379 | } | |
380 | ||
4f1f88a6 PP |
381 | /* |
382 | * We don't need to get a new reference here because as long as | |
383 | * our private ctf_fs_component object exists, the containing | |
384 | * private component should also exist. | |
385 | */ | |
386 | ctf_fs->priv_comp = priv_comp; | |
387 | ||
56a1cced JG |
388 | /* FIXME: should probably look for a source URI */ |
389 | value = bt_value_map_get(params, "path"); | |
390 | if (!value || bt_value_is_null(value) || !bt_value_is_string(value)) { | |
391 | goto error; | |
392 | } | |
393 | ||
394 | ret = bt_value_string_get(value, &path); | |
4f1f88a6 PP |
395 | if (ret) { |
396 | goto error; | |
397 | } | |
398 | ||
399 | ctf_fs->port_data = g_ptr_array_new_with_free_func(port_data_destroy); | |
400 | if (!ctf_fs->port_data) { | |
56a1cced JG |
401 | goto error; |
402 | } | |
403 | ||
404 | ctf_fs->trace_path = g_string_new(path); | |
405 | if (!ctf_fs->trace_path) { | |
92540773 | 406 | BT_PUT(value); |
56a1cced JG |
407 | goto error; |
408 | } | |
92540773 JD |
409 | bt_put(value); |
410 | ||
411 | value = bt_value_map_get(params, "offset-s"); | |
412 | if (value) { | |
413 | int64_t offset; | |
414 | ||
415 | if (!bt_value_is_integer(value)) { | |
416 | fprintf(stderr, | |
417 | "offset-s should be an integer\n"); | |
418 | goto error; | |
419 | } | |
420 | ret = bt_value_integer_get(value, &offset); | |
421 | if (ret != BT_VALUE_STATUS_OK) { | |
422 | fprintf(stderr, | |
423 | "Failed to get offset-s value\n"); | |
424 | goto error; | |
425 | } | |
426 | ctf_fs->options.clock_offset = offset; | |
427 | bt_put(value); | |
428 | } | |
429 | ||
430 | value = bt_value_map_get(params, "offset-ns"); | |
431 | if (value) { | |
432 | int64_t offset; | |
433 | ||
434 | if (!bt_value_is_integer(value)) { | |
435 | fprintf(stderr, | |
436 | "offset-ns should be an integer\n"); | |
437 | goto error; | |
438 | } | |
439 | ret = bt_value_integer_get(value, &offset); | |
440 | if (ret != BT_VALUE_STATUS_OK) { | |
441 | fprintf(stderr, | |
442 | "Failed to get offset-ns value\n"); | |
443 | goto error; | |
444 | } | |
445 | ctf_fs->options.clock_offset_ns = offset; | |
446 | bt_put(value); | |
447 | } | |
448 | ||
56a1cced JG |
449 | ctf_fs->error_fp = stderr; |
450 | ctf_fs->page_size = (size_t) getpagesize(); | |
e7a4393b JG |
451 | |
452 | // FIXME: check error. | |
5b29e799 JG |
453 | ctf_fs->metadata = g_new0(struct ctf_fs_metadata, 1); |
454 | if (!ctf_fs->metadata) { | |
e7a4393b JG |
455 | goto error; |
456 | } | |
4f1f88a6 PP |
457 | |
458 | ret = ctf_fs_metadata_set_trace(ctf_fs); | |
459 | if (ret) { | |
460 | goto error; | |
461 | } | |
462 | ||
599faa1c PP |
463 | ret = create_cc_prio_map(ctf_fs); |
464 | if (ret) { | |
465 | goto error; | |
466 | } | |
467 | ||
4f1f88a6 PP |
468 | ret = create_ports(ctf_fs); |
469 | if (ret) { | |
470 | goto error; | |
471 | } | |
472 | ||
1ef09eb5 JG |
473 | goto end; |
474 | ||
56a1cced JG |
475 | error: |
476 | ctf_fs_destroy_data(ctf_fs); | |
e7a4393b | 477 | ctf_fs = NULL; |
1ef09eb5 | 478 | end: |
56a1cced JG |
479 | return ctf_fs; |
480 | } | |
481 | ||
ea0b4b9e | 482 | BT_HIDDEN |
4f1f88a6 | 483 | enum bt_component_status ctf_fs_init(struct bt_private_component *priv_comp, |
7d61fa8e | 484 | struct bt_value *params, UNUSED_VAR void *init_method_data) |
ea0b4b9e JG |
485 | { |
486 | struct ctf_fs_component *ctf_fs; | |
487 | enum bt_component_status ret = BT_COMPONENT_STATUS_OK; | |
488 | ||
4f1f88a6 | 489 | assert(priv_comp); |
ea0b4b9e | 490 | ctf_fs_debug = g_strcmp0(getenv("CTF_FS_DEBUG"), "1") == 0; |
4f1f88a6 | 491 | ctf_fs = ctf_fs_create(priv_comp, params); |
ea0b4b9e JG |
492 | if (!ctf_fs) { |
493 | ret = BT_COMPONENT_STATUS_NOMEM; | |
494 | goto end; | |
495 | } | |
4c1456f0 | 496 | |
4f1f88a6 | 497 | ret = bt_private_component_set_user_data(priv_comp, ctf_fs); |
ea0b4b9e JG |
498 | if (ret != BT_COMPONENT_STATUS_OK) { |
499 | goto error; | |
500 | } | |
ea0b4b9e JG |
501 | end: |
502 | return ret; | |
503 | error: | |
4f1f88a6 | 504 | (void) bt_private_component_set_user_data(priv_comp, NULL); |
760051fa | 505 | ctf_fs_destroy_data(ctf_fs); |
ea0b4b9e JG |
506 | return ret; |
507 | } | |
33f93973 PP |
508 | |
509 | BT_HIDDEN | |
a67681c1 PP |
510 | struct bt_value *ctf_fs_query(struct bt_component_class *comp_class, |
511 | const char *object, struct bt_value *params) | |
33f93973 PP |
512 | { |
513 | struct bt_value *results = NULL; | |
514 | struct bt_value *path_value = NULL; | |
515 | char *metadata_text = NULL; | |
516 | FILE *metadata_fp = NULL; | |
517 | GString *g_metadata_text = NULL; | |
518 | ||
a67681c1 | 519 | if (strcmp(object, "metadata-info") == 0) { |
33f93973 PP |
520 | int ret; |
521 | int bo; | |
522 | const char *path; | |
523 | bool is_packetized; | |
524 | ||
525 | results = bt_value_map_create(); | |
526 | if (!results) { | |
527 | goto error; | |
528 | } | |
529 | ||
530 | if (!bt_value_is_map(params)) { | |
531 | fprintf(stderr, | |
a67681c1 | 532 | "Query parameters is not a map value object\n"); |
33f93973 PP |
533 | goto error; |
534 | } | |
535 | ||
536 | path_value = bt_value_map_get(params, "path"); | |
537 | ret = bt_value_string_get(path_value, &path); | |
538 | if (ret) { | |
539 | fprintf(stderr, | |
540 | "Cannot get `path` string parameter\n"); | |
541 | goto error; | |
542 | } | |
543 | ||
544 | assert(path); | |
545 | metadata_fp = ctf_fs_metadata_open_file(path); | |
546 | if (!metadata_fp) { | |
547 | fprintf(stderr, | |
548 | "Cannot open trace at path `%s`\n", path); | |
549 | goto error; | |
550 | } | |
551 | ||
1e649dff PP |
552 | is_packetized = ctf_metadata_decoder_is_packetized(metadata_fp, |
553 | &bo); | |
33f93973 PP |
554 | |
555 | if (is_packetized) { | |
1e649dff PP |
556 | ret = ctf_metadata_decoder_packetized_file_stream_to_buf( |
557 | metadata_fp, &metadata_text, bo); | |
33f93973 PP |
558 | if (ret) { |
559 | fprintf(stderr, | |
560 | "Cannot decode packetized metadata file\n"); | |
561 | goto error; | |
562 | } | |
563 | } else { | |
564 | long filesize; | |
565 | ||
566 | fseek(metadata_fp, 0, SEEK_END); | |
567 | filesize = ftell(metadata_fp); | |
568 | rewind(metadata_fp); | |
569 | metadata_text = malloc(filesize + 1); | |
570 | if (!metadata_text) { | |
571 | fprintf(stderr, | |
572 | "Cannot allocate buffer for metadata text\n"); | |
573 | goto error; | |
574 | } | |
575 | ||
576 | if (fread(metadata_text, filesize, 1, metadata_fp) != | |
577 | 1) { | |
578 | fprintf(stderr, | |
579 | "Cannot read metadata file\n"); | |
580 | goto error; | |
581 | } | |
582 | ||
583 | metadata_text[filesize] = '\0'; | |
584 | } | |
585 | ||
586 | g_metadata_text = g_string_new(NULL); | |
587 | if (!g_metadata_text) { | |
588 | goto error; | |
589 | } | |
590 | ||
591 | if (strncmp(metadata_text, METADATA_TEXT_SIG, | |
592 | sizeof(METADATA_TEXT_SIG) - 1) != 0) { | |
593 | g_string_assign(g_metadata_text, METADATA_TEXT_SIG); | |
594 | g_string_append(g_metadata_text, " */\n\n"); | |
595 | } | |
596 | ||
597 | g_string_append(g_metadata_text, metadata_text); | |
598 | ||
599 | ret = bt_value_map_insert_string(results, "text", | |
600 | g_metadata_text->str); | |
601 | if (ret) { | |
602 | fprintf(stderr, "Cannot insert metadata text into results\n"); | |
603 | goto error; | |
604 | } | |
605 | ||
606 | ret = bt_value_map_insert_bool(results, "is-packetized", | |
607 | is_packetized); | |
608 | if (ret) { | |
609 | fprintf(stderr, "Cannot insert is packetized into results\n"); | |
610 | goto error; | |
611 | } | |
612 | } else { | |
a67681c1 | 613 | fprintf(stderr, "Unknown query object `%s`\n", object); |
33f93973 PP |
614 | goto error; |
615 | } | |
616 | ||
617 | goto end; | |
618 | ||
619 | error: | |
620 | BT_PUT(results); | |
621 | ||
622 | end: | |
623 | bt_put(path_value); | |
624 | free(metadata_text); | |
625 | ||
626 | if (g_metadata_text) { | |
627 | g_string_free(g_metadata_text, TRUE); | |
628 | } | |
629 | ||
630 | if (metadata_fp) { | |
631 | fclose(metadata_fp); | |
632 | } | |
633 | return results; | |
634 | } |