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> | |
c55a9f58 | 41 | #include <stdbool.h> |
56a1cced JG |
42 | #include <unistd.h> |
43 | #include "fs.h" | |
413bc2c4 JG |
44 | #include "metadata.h" |
45 | #include "data-stream.h" | |
e7a4393b | 46 | #include "file.h" |
1e649dff | 47 | #include "../common/metadata/decoder.h" |
e7a4393b JG |
48 | |
49 | #define PRINT_ERR_STREAM ctf_fs->error_fp | |
50 | #define PRINT_PREFIX "ctf-fs" | |
51 | #include "print.h" | |
33f93973 | 52 | #define METADATA_TEXT_SIG "/* CTF 1.8" |
ea0b4b9e | 53 | |
78bb6992 MD |
54 | BT_HIDDEN |
55 | bool ctf_fs_debug; | |
ea0b4b9e | 56 | |
41a2b7ae | 57 | struct bt_notification_iterator_next_return ctf_fs_iterator_next( |
4f1f88a6 | 58 | struct bt_private_notification_iterator *iterator) |
ea0b4b9e | 59 | { |
4f1f88a6 PP |
60 | struct ctf_fs_stream *fs_stream = |
61 | bt_private_notification_iterator_get_user_data(iterator); | |
d01e0f33 | 62 | |
4f1f88a6 | 63 | return ctf_fs_stream_next(fs_stream); |
ea0b4b9e | 64 | } |
bfd20a42 | 65 | |
4f1f88a6 | 66 | void ctf_fs_iterator_finalize(struct bt_private_notification_iterator *it) |
760051fa | 67 | { |
4f1f88a6 PP |
68 | void *ctf_fs_stream = |
69 | bt_private_notification_iterator_get_user_data(it); | |
760051fa | 70 | |
4f1f88a6 | 71 | ctf_fs_stream_destroy(ctf_fs_stream); |
760051fa JG |
72 | } |
73 | ||
4f1f88a6 PP |
74 | enum bt_notification_iterator_status ctf_fs_iterator_init( |
75 | struct bt_private_notification_iterator *it, | |
76 | struct bt_private_port *port) | |
4c1456f0 | 77 | { |
4f1f88a6 PP |
78 | struct ctf_fs_stream *stream = NULL; |
79 | struct ctf_fs_component *ctf_fs; | |
80 | struct ctf_fs_port_data *port_data; | |
81 | struct bt_private_component *priv_comp = | |
82 | bt_private_notification_iterator_get_private_component(it); | |
83 | enum bt_notification_iterator_status ret = | |
84 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
760051fa | 85 | |
4f1f88a6 | 86 | assert(priv_comp); |
5b29e799 | 87 | |
4f1f88a6 PP |
88 | ctf_fs = bt_private_component_get_user_data(priv_comp); |
89 | if (!ctf_fs) { | |
fe8ad2b6 | 90 | ret = BT_NOTIFICATION_ITERATOR_STATUS_INVALID; |
4f1f88a6 | 91 | goto error; |
760051fa JG |
92 | } |
93 | ||
4f1f88a6 PP |
94 | port_data = bt_private_port_get_user_data(port); |
95 | if (!port_data) { | |
fe8ad2b6 | 96 | ret = BT_NOTIFICATION_ITERATOR_STATUS_INVALID; |
4f1f88a6 PP |
97 | goto error; |
98 | } | |
5b29e799 | 99 | |
4f1f88a6 | 100 | stream = ctf_fs_stream_create(ctf_fs, port_data->path->str); |
5b29e799 | 101 | if (!stream) { |
4f1f88a6 | 102 | goto error; |
760051fa JG |
103 | } |
104 | ||
4f1f88a6 PP |
105 | ret = bt_private_notification_iterator_set_user_data(it, stream); |
106 | if (ret) { | |
107 | goto error; | |
760051fa JG |
108 | } |
109 | ||
4f1f88a6 PP |
110 | stream = NULL; |
111 | goto end; | |
5b29e799 | 112 | |
4f1f88a6 PP |
113 | error: |
114 | (void) bt_private_notification_iterator_set_user_data(it, NULL); | |
115 | ||
116 | if (ret == BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
117 | ret = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
760051fa | 118 | } |
5b29e799 | 119 | |
760051fa | 120 | end: |
4f1f88a6 PP |
121 | ctf_fs_stream_destroy(stream); |
122 | bt_put(priv_comp); | |
760051fa JG |
123 | return ret; |
124 | } | |
125 | ||
760051fa | 126 | static |
4f1f88a6 | 127 | void ctf_fs_destroy_data(struct ctf_fs_component *ctf_fs) |
760051fa | 128 | { |
4f1f88a6 | 129 | if (!ctf_fs) { |
8fa760ba JG |
130 | return; |
131 | } | |
4f1f88a6 PP |
132 | |
133 | if (ctf_fs->trace_path) { | |
134 | g_string_free(ctf_fs->trace_path, TRUE); | |
56a1cced | 135 | } |
4f1f88a6 PP |
136 | |
137 | if (ctf_fs->port_data) { | |
138 | g_ptr_array_free(ctf_fs->port_data, TRUE); | |
c14d7e26 | 139 | } |
760051fa | 140 | |
4f1f88a6 PP |
141 | if (ctf_fs->metadata) { |
142 | ctf_fs_metadata_fini(ctf_fs->metadata); | |
143 | g_free(ctf_fs->metadata); | |
144 | } | |
760051fa | 145 | |
599faa1c | 146 | bt_put(ctf_fs->cc_prio_map); |
4f1f88a6 | 147 | g_free(ctf_fs); |
4c1456f0 JG |
148 | } |
149 | ||
4f1f88a6 | 150 | void ctf_fs_finalize(struct bt_private_component *component) |
a4792757 | 151 | { |
4f1f88a6 PP |
152 | void *data = bt_private_component_get_user_data(component); |
153 | ||
154 | ctf_fs_destroy_data(data); | |
a4792757 JG |
155 | } |
156 | ||
e7a4393b | 157 | static |
4f1f88a6 PP |
158 | void port_data_destroy(void *data) { |
159 | struct ctf_fs_port_data *port_data = data; | |
160 | ||
161 | if (!port_data) { | |
162 | return; | |
163 | } | |
164 | ||
165 | if (port_data->path) { | |
166 | g_string_free(port_data->path, TRUE); | |
167 | } | |
168 | ||
169 | g_free(port_data); | |
5b29e799 JG |
170 | } |
171 | ||
172 | static | |
4f1f88a6 PP |
173 | int create_one_port(struct ctf_fs_component *ctf_fs, |
174 | const char *stream_basename, const char *stream_path) | |
5b29e799 | 175 | { |
4f1f88a6 PP |
176 | int ret = 0; |
177 | struct bt_private_port *port = NULL; | |
178 | struct ctf_fs_port_data *port_data = NULL; | |
179 | GString *port_name = NULL; | |
180 | ||
181 | port_name = g_string_new(NULL); | |
182 | if (!port_name) { | |
183 | goto error; | |
184 | } | |
185 | ||
186 | /* Assign the name for the new output port */ | |
187 | g_string_assign(port_name, ""); | |
188 | g_string_printf(port_name, "trace0-stream-%s", stream_basename); | |
189 | PDBG("Creating one port named `%s` associated with path `%s`\n", | |
190 | port_name->str, stream_path); | |
191 | ||
192 | /* Create output port for this file */ | |
4f1f88a6 PP |
193 | port_data = g_new0(struct ctf_fs_port_data, 1); |
194 | if (!port_data) { | |
195 | goto error; | |
196 | } | |
197 | ||
198 | port_data->path = g_string_new(stream_path); | |
199 | if (!port_data->path) { | |
200 | goto error; | |
201 | } | |
202 | ||
3e9b0023 PP |
203 | port = bt_private_component_source_add_output_private_port( |
204 | ctf_fs->priv_comp, port_name->str, port_data); | |
205 | if (!port) { | |
4f1f88a6 PP |
206 | goto error; |
207 | } | |
208 | ||
209 | g_ptr_array_add(ctf_fs->port_data, port_data); | |
210 | port_data = NULL; | |
211 | goto end; | |
212 | ||
213 | error: | |
214 | ret = -1; | |
215 | ||
216 | end: | |
217 | if (port_name) { | |
218 | g_string_free(port_name, TRUE); | |
219 | } | |
220 | ||
221 | bt_put(port); | |
222 | port_data_destroy(port_data); | |
223 | return ret; | |
5b29e799 JG |
224 | } |
225 | ||
226 | static | |
4f1f88a6 | 227 | int create_ports(struct ctf_fs_component *ctf_fs) |
e7a4393b JG |
228 | { |
229 | int ret = 0; | |
4f1f88a6 | 230 | const char *basename; |
e7a4393b | 231 | GError *error = NULL; |
4f1f88a6 | 232 | GDir *dir = NULL; |
4f1f88a6 | 233 | struct ctf_fs_file *file = NULL; |
e7a4393b | 234 | |
4f1f88a6 PP |
235 | /* Create one output port for each stream file */ |
236 | dir = g_dir_open(ctf_fs->trace_path->str, 0, &error); | |
e7a4393b | 237 | if (!dir) { |
4f1f88a6 PP |
238 | PERR("Cannot open directory `%s`: %s (code %d)\n", |
239 | ctf_fs->trace_path->str, error->message, | |
240 | error->code); | |
e7a4393b JG |
241 | goto error; |
242 | } | |
243 | ||
4f1f88a6 PP |
244 | while ((basename = g_dir_read_name(dir))) { |
245 | if (!strcmp(basename, CTF_FS_METADATA_FILENAME)) { | |
e7a4393b | 246 | /* Ignore the metadata stream. */ |
4f1f88a6 | 247 | PDBG("Ignoring metadata file `%s`\n", basename); |
e7a4393b JG |
248 | continue; |
249 | } | |
250 | ||
4f1f88a6 PP |
251 | if (basename[0] == '.') { |
252 | PDBG("Ignoring hidden file `%s`\n", basename); | |
e7a4393b JG |
253 | continue; |
254 | } | |
255 | ||
256 | /* Create the file. */ | |
257 | file = ctf_fs_file_create(ctf_fs); | |
258 | if (!file) { | |
4f1f88a6 PP |
259 | PERR("Cannot create stream file object for file `%s`\n", |
260 | basename); | |
e7a4393b JG |
261 | goto error; |
262 | } | |
263 | ||
264 | /* Create full path string. */ | |
265 | g_string_append_printf(file->path, "%s/%s", | |
4f1f88a6 | 266 | ctf_fs->trace_path->str, basename); |
e7a4393b | 267 | if (!g_file_test(file->path->str, G_FILE_TEST_IS_REGULAR)) { |
4f1f88a6 | 268 | PDBG("Ignoring non-regular file `%s`\n", basename); |
e7a4393b | 269 | ctf_fs_file_destroy(file); |
4f1f88a6 | 270 | file = NULL; |
e7a4393b JG |
271 | continue; |
272 | } | |
273 | ||
4f1f88a6 PP |
274 | ret = ctf_fs_file_open(ctf_fs, file, "rb"); |
275 | if (ret) { | |
276 | PERR("Cannot open stream file `%s`\n", basename); | |
e7a4393b JG |
277 | goto error; |
278 | } | |
279 | ||
9fa0891a JG |
280 | if (file->size == 0) { |
281 | /* Skip empty stream. */ | |
4f1f88a6 | 282 | PDBG("Ignoring empty file `%s`\n", basename); |
9fa0891a | 283 | ctf_fs_file_destroy(file); |
4f1f88a6 | 284 | file = NULL; |
9fa0891a JG |
285 | continue; |
286 | } | |
287 | ||
4f1f88a6 PP |
288 | ret = create_one_port(ctf_fs, basename, file->path->str); |
289 | if (ret) { | |
290 | PERR("Cannot create output port for file `%s`\n", | |
291 | basename); | |
e7a4393b JG |
292 | goto error; |
293 | } | |
294 | ||
4f1f88a6 PP |
295 | ctf_fs_file_destroy(file); |
296 | file = NULL; | |
e7a4393b JG |
297 | } |
298 | ||
299 | goto end; | |
4f1f88a6 | 300 | |
e7a4393b JG |
301 | error: |
302 | ret = -1; | |
4f1f88a6 | 303 | |
e7a4393b JG |
304 | end: |
305 | if (dir) { | |
306 | g_dir_close(dir); | |
307 | dir = NULL; | |
308 | } | |
4f1f88a6 | 309 | |
e7a4393b JG |
310 | if (error) { |
311 | g_error_free(error); | |
312 | } | |
5b29e799 | 313 | |
4f1f88a6 | 314 | ctf_fs_file_destroy(file); |
91457551 | 315 | return ret; |
5b29e799 JG |
316 | } |
317 | ||
599faa1c PP |
318 | static |
319 | int create_cc_prio_map(struct ctf_fs_component *ctf_fs) | |
320 | { | |
321 | int ret = 0; | |
322 | size_t i; | |
323 | int count; | |
324 | ||
325 | assert(ctf_fs); | |
326 | ctf_fs->cc_prio_map = bt_clock_class_priority_map_create(); | |
327 | if (!ctf_fs->cc_prio_map) { | |
328 | ret = -1; | |
329 | goto end; | |
330 | } | |
331 | ||
332 | count = bt_ctf_trace_get_clock_class_count(ctf_fs->metadata->trace); | |
333 | assert(count >= 0); | |
334 | ||
335 | for (i = 0; i < count; i++) { | |
336 | struct bt_ctf_clock_class *clock_class = | |
9ac68eb1 PP |
337 | bt_ctf_trace_get_clock_class_by_index( |
338 | ctf_fs->metadata->trace, i); | |
599faa1c PP |
339 | |
340 | assert(clock_class); | |
341 | ret = bt_clock_class_priority_map_add_clock_class( | |
342 | ctf_fs->cc_prio_map, clock_class, 0); | |
343 | BT_PUT(clock_class); | |
344 | ||
345 | if (ret) { | |
346 | goto end; | |
347 | } | |
348 | } | |
349 | ||
350 | end: | |
351 | return ret; | |
352 | } | |
353 | ||
5b29e799 | 354 | static |
4f1f88a6 PP |
355 | struct ctf_fs_component *ctf_fs_create(struct bt_private_component *priv_comp, |
356 | struct bt_value *params) | |
56a1cced JG |
357 | { |
358 | struct ctf_fs_component *ctf_fs; | |
1ef09eb5 | 359 | struct bt_value *value = NULL; |
56a1cced | 360 | const char *path; |
4f1f88a6 | 361 | int ret; |
56a1cced JG |
362 | |
363 | ctf_fs = g_new0(struct ctf_fs_component, 1); | |
364 | if (!ctf_fs) { | |
365 | goto end; | |
366 | } | |
367 | ||
4f1f88a6 PP |
368 | /* |
369 | * We don't need to get a new reference here because as long as | |
370 | * our private ctf_fs_component object exists, the containing | |
371 | * private component should also exist. | |
372 | */ | |
373 | ctf_fs->priv_comp = priv_comp; | |
374 | ||
56a1cced JG |
375 | /* FIXME: should probably look for a source URI */ |
376 | value = bt_value_map_get(params, "path"); | |
377 | if (!value || bt_value_is_null(value) || !bt_value_is_string(value)) { | |
378 | goto error; | |
379 | } | |
380 | ||
381 | ret = bt_value_string_get(value, &path); | |
4f1f88a6 PP |
382 | if (ret) { |
383 | goto error; | |
384 | } | |
385 | ||
386 | ctf_fs->port_data = g_ptr_array_new_with_free_func(port_data_destroy); | |
387 | if (!ctf_fs->port_data) { | |
56a1cced JG |
388 | goto error; |
389 | } | |
390 | ||
391 | ctf_fs->trace_path = g_string_new(path); | |
392 | if (!ctf_fs->trace_path) { | |
92540773 | 393 | BT_PUT(value); |
56a1cced JG |
394 | goto error; |
395 | } | |
92540773 JD |
396 | bt_put(value); |
397 | ||
398 | value = bt_value_map_get(params, "offset-s"); | |
399 | if (value) { | |
400 | int64_t offset; | |
401 | ||
402 | if (!bt_value_is_integer(value)) { | |
403 | fprintf(stderr, | |
404 | "offset-s should be an integer\n"); | |
405 | goto error; | |
406 | } | |
407 | ret = bt_value_integer_get(value, &offset); | |
408 | if (ret != BT_VALUE_STATUS_OK) { | |
409 | fprintf(stderr, | |
410 | "Failed to get offset-s value\n"); | |
411 | goto error; | |
412 | } | |
413 | ctf_fs->options.clock_offset = offset; | |
414 | bt_put(value); | |
415 | } | |
416 | ||
417 | value = bt_value_map_get(params, "offset-ns"); | |
418 | if (value) { | |
419 | int64_t offset; | |
420 | ||
421 | if (!bt_value_is_integer(value)) { | |
422 | fprintf(stderr, | |
423 | "offset-ns should be an integer\n"); | |
424 | goto error; | |
425 | } | |
426 | ret = bt_value_integer_get(value, &offset); | |
427 | if (ret != BT_VALUE_STATUS_OK) { | |
428 | fprintf(stderr, | |
429 | "Failed to get offset-ns value\n"); | |
430 | goto error; | |
431 | } | |
432 | ctf_fs->options.clock_offset_ns = offset; | |
433 | bt_put(value); | |
434 | } | |
435 | ||
56a1cced JG |
436 | ctf_fs->error_fp = stderr; |
437 | ctf_fs->page_size = (size_t) getpagesize(); | |
e7a4393b JG |
438 | |
439 | // FIXME: check error. | |
5b29e799 JG |
440 | ctf_fs->metadata = g_new0(struct ctf_fs_metadata, 1); |
441 | if (!ctf_fs->metadata) { | |
e7a4393b JG |
442 | goto error; |
443 | } | |
4f1f88a6 PP |
444 | |
445 | ret = ctf_fs_metadata_set_trace(ctf_fs); | |
446 | if (ret) { | |
447 | goto error; | |
448 | } | |
449 | ||
599faa1c PP |
450 | ret = create_cc_prio_map(ctf_fs); |
451 | if (ret) { | |
452 | goto error; | |
453 | } | |
454 | ||
4f1f88a6 PP |
455 | ret = create_ports(ctf_fs); |
456 | if (ret) { | |
457 | goto error; | |
458 | } | |
459 | ||
1ef09eb5 JG |
460 | goto end; |
461 | ||
56a1cced JG |
462 | error: |
463 | ctf_fs_destroy_data(ctf_fs); | |
e7a4393b | 464 | ctf_fs = NULL; |
1ef09eb5 | 465 | end: |
56a1cced JG |
466 | return ctf_fs; |
467 | } | |
468 | ||
ea0b4b9e | 469 | BT_HIDDEN |
4f1f88a6 | 470 | enum bt_component_status ctf_fs_init(struct bt_private_component *priv_comp, |
7d61fa8e | 471 | struct bt_value *params, UNUSED_VAR void *init_method_data) |
ea0b4b9e JG |
472 | { |
473 | struct ctf_fs_component *ctf_fs; | |
474 | enum bt_component_status ret = BT_COMPONENT_STATUS_OK; | |
475 | ||
4f1f88a6 | 476 | assert(priv_comp); |
ea0b4b9e | 477 | ctf_fs_debug = g_strcmp0(getenv("CTF_FS_DEBUG"), "1") == 0; |
4f1f88a6 | 478 | ctf_fs = ctf_fs_create(priv_comp, params); |
ea0b4b9e JG |
479 | if (!ctf_fs) { |
480 | ret = BT_COMPONENT_STATUS_NOMEM; | |
481 | goto end; | |
482 | } | |
4c1456f0 | 483 | |
4f1f88a6 | 484 | ret = bt_private_component_set_user_data(priv_comp, ctf_fs); |
ea0b4b9e JG |
485 | if (ret != BT_COMPONENT_STATUS_OK) { |
486 | goto error; | |
487 | } | |
ea0b4b9e JG |
488 | end: |
489 | return ret; | |
490 | error: | |
4f1f88a6 | 491 | (void) bt_private_component_set_user_data(priv_comp, NULL); |
760051fa | 492 | ctf_fs_destroy_data(ctf_fs); |
ea0b4b9e JG |
493 | return ret; |
494 | } | |
33f93973 PP |
495 | |
496 | BT_HIDDEN | |
a67681c1 PP |
497 | struct bt_value *ctf_fs_query(struct bt_component_class *comp_class, |
498 | const char *object, struct bt_value *params) | |
33f93973 PP |
499 | { |
500 | struct bt_value *results = NULL; | |
501 | struct bt_value *path_value = NULL; | |
502 | char *metadata_text = NULL; | |
503 | FILE *metadata_fp = NULL; | |
504 | GString *g_metadata_text = NULL; | |
505 | ||
a67681c1 | 506 | if (strcmp(object, "metadata-info") == 0) { |
33f93973 PP |
507 | int ret; |
508 | int bo; | |
509 | const char *path; | |
510 | bool is_packetized; | |
511 | ||
512 | results = bt_value_map_create(); | |
513 | if (!results) { | |
514 | goto error; | |
515 | } | |
516 | ||
517 | if (!bt_value_is_map(params)) { | |
518 | fprintf(stderr, | |
a67681c1 | 519 | "Query parameters is not a map value object\n"); |
33f93973 PP |
520 | goto error; |
521 | } | |
522 | ||
523 | path_value = bt_value_map_get(params, "path"); | |
524 | ret = bt_value_string_get(path_value, &path); | |
525 | if (ret) { | |
526 | fprintf(stderr, | |
527 | "Cannot get `path` string parameter\n"); | |
528 | goto error; | |
529 | } | |
530 | ||
531 | assert(path); | |
532 | metadata_fp = ctf_fs_metadata_open_file(path); | |
533 | if (!metadata_fp) { | |
534 | fprintf(stderr, | |
535 | "Cannot open trace at path `%s`\n", path); | |
536 | goto error; | |
537 | } | |
538 | ||
1e649dff PP |
539 | is_packetized = ctf_metadata_decoder_is_packetized(metadata_fp, |
540 | &bo); | |
33f93973 PP |
541 | |
542 | if (is_packetized) { | |
1e649dff PP |
543 | ret = ctf_metadata_decoder_packetized_file_stream_to_buf( |
544 | metadata_fp, &metadata_text, bo); | |
33f93973 PP |
545 | if (ret) { |
546 | fprintf(stderr, | |
547 | "Cannot decode packetized metadata file\n"); | |
548 | goto error; | |
549 | } | |
550 | } else { | |
551 | long filesize; | |
552 | ||
553 | fseek(metadata_fp, 0, SEEK_END); | |
554 | filesize = ftell(metadata_fp); | |
555 | rewind(metadata_fp); | |
556 | metadata_text = malloc(filesize + 1); | |
557 | if (!metadata_text) { | |
558 | fprintf(stderr, | |
559 | "Cannot allocate buffer for metadata text\n"); | |
560 | goto error; | |
561 | } | |
562 | ||
563 | if (fread(metadata_text, filesize, 1, metadata_fp) != | |
564 | 1) { | |
565 | fprintf(stderr, | |
566 | "Cannot read metadata file\n"); | |
567 | goto error; | |
568 | } | |
569 | ||
570 | metadata_text[filesize] = '\0'; | |
571 | } | |
572 | ||
573 | g_metadata_text = g_string_new(NULL); | |
574 | if (!g_metadata_text) { | |
575 | goto error; | |
576 | } | |
577 | ||
578 | if (strncmp(metadata_text, METADATA_TEXT_SIG, | |
579 | sizeof(METADATA_TEXT_SIG) - 1) != 0) { | |
580 | g_string_assign(g_metadata_text, METADATA_TEXT_SIG); | |
581 | g_string_append(g_metadata_text, " */\n\n"); | |
582 | } | |
583 | ||
584 | g_string_append(g_metadata_text, metadata_text); | |
585 | ||
586 | ret = bt_value_map_insert_string(results, "text", | |
587 | g_metadata_text->str); | |
588 | if (ret) { | |
589 | fprintf(stderr, "Cannot insert metadata text into results\n"); | |
590 | goto error; | |
591 | } | |
592 | ||
593 | ret = bt_value_map_insert_bool(results, "is-packetized", | |
594 | is_packetized); | |
595 | if (ret) { | |
596 | fprintf(stderr, "Cannot insert is packetized into results\n"); | |
597 | goto error; | |
598 | } | |
599 | } else { | |
a67681c1 | 600 | fprintf(stderr, "Unknown query object `%s`\n", object); |
33f93973 PP |
601 | goto error; |
602 | } | |
603 | ||
604 | goto end; | |
605 | ||
606 | error: | |
607 | BT_PUT(results); | |
608 | ||
609 | end: | |
610 | bt_put(path_value); | |
611 | free(metadata_text); | |
612 | ||
613 | if (g_metadata_text) { | |
614 | g_string_free(g_metadata_text, TRUE); | |
615 | } | |
616 | ||
617 | if (metadata_fp) { | |
618 | fclose(metadata_fp); | |
619 | } | |
620 | return results; | |
621 | } |