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" | |
cd00e1d3 MD |
51 | #define PRINT_DBG_CHECK ctf_fs_debug |
52 | #include "../print.h" | |
33f93973 | 53 | #define METADATA_TEXT_SIG "/* CTF 1.8" |
ea0b4b9e | 54 | |
78bb6992 MD |
55 | BT_HIDDEN |
56 | bool ctf_fs_debug; | |
ea0b4b9e | 57 | |
41a2b7ae | 58 | struct bt_notification_iterator_next_return ctf_fs_iterator_next( |
4f1f88a6 | 59 | struct bt_private_notification_iterator *iterator) |
ea0b4b9e | 60 | { |
4f1f88a6 PP |
61 | struct ctf_fs_stream *fs_stream = |
62 | bt_private_notification_iterator_get_user_data(iterator); | |
d01e0f33 | 63 | |
4f1f88a6 | 64 | return ctf_fs_stream_next(fs_stream); |
ea0b4b9e | 65 | } |
bfd20a42 | 66 | |
4f1f88a6 | 67 | void ctf_fs_iterator_finalize(struct bt_private_notification_iterator *it) |
760051fa | 68 | { |
4f1f88a6 PP |
69 | void *ctf_fs_stream = |
70 | bt_private_notification_iterator_get_user_data(it); | |
760051fa | 71 | |
4f1f88a6 | 72 | ctf_fs_stream_destroy(ctf_fs_stream); |
760051fa JG |
73 | } |
74 | ||
4f1f88a6 PP |
75 | enum bt_notification_iterator_status ctf_fs_iterator_init( |
76 | struct bt_private_notification_iterator *it, | |
77 | struct bt_private_port *port) | |
4c1456f0 | 78 | { |
4f1f88a6 PP |
79 | struct ctf_fs_stream *stream = NULL; |
80 | struct ctf_fs_component *ctf_fs; | |
81 | struct ctf_fs_port_data *port_data; | |
82 | struct bt_private_component *priv_comp = | |
83 | bt_private_notification_iterator_get_private_component(it); | |
84 | enum bt_notification_iterator_status ret = | |
85 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
760051fa | 86 | |
4f1f88a6 | 87 | assert(priv_comp); |
5b29e799 | 88 | |
4f1f88a6 PP |
89 | ctf_fs = bt_private_component_get_user_data(priv_comp); |
90 | if (!ctf_fs) { | |
fe8ad2b6 | 91 | ret = BT_NOTIFICATION_ITERATOR_STATUS_INVALID; |
4f1f88a6 | 92 | goto error; |
760051fa JG |
93 | } |
94 | ||
4f1f88a6 PP |
95 | port_data = bt_private_port_get_user_data(port); |
96 | if (!port_data) { | |
fe8ad2b6 | 97 | ret = BT_NOTIFICATION_ITERATOR_STATUS_INVALID; |
4f1f88a6 PP |
98 | goto error; |
99 | } | |
5b29e799 | 100 | |
4f1f88a6 | 101 | stream = ctf_fs_stream_create(ctf_fs, port_data->path->str); |
5b29e799 | 102 | if (!stream) { |
4f1f88a6 | 103 | goto error; |
760051fa JG |
104 | } |
105 | ||
4f1f88a6 PP |
106 | ret = bt_private_notification_iterator_set_user_data(it, stream); |
107 | if (ret) { | |
108 | goto error; | |
760051fa JG |
109 | } |
110 | ||
4f1f88a6 PP |
111 | stream = NULL; |
112 | goto end; | |
5b29e799 | 113 | |
4f1f88a6 PP |
114 | error: |
115 | (void) bt_private_notification_iterator_set_user_data(it, NULL); | |
116 | ||
117 | if (ret == BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
118 | ret = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
760051fa | 119 | } |
5b29e799 | 120 | |
760051fa | 121 | end: |
4f1f88a6 PP |
122 | ctf_fs_stream_destroy(stream); |
123 | bt_put(priv_comp); | |
760051fa JG |
124 | return ret; |
125 | } | |
126 | ||
760051fa | 127 | static |
4f1f88a6 | 128 | void ctf_fs_destroy_data(struct ctf_fs_component *ctf_fs) |
760051fa | 129 | { |
4f1f88a6 | 130 | if (!ctf_fs) { |
8fa760ba JG |
131 | return; |
132 | } | |
4f1f88a6 PP |
133 | |
134 | if (ctf_fs->trace_path) { | |
135 | g_string_free(ctf_fs->trace_path, TRUE); | |
56a1cced | 136 | } |
4f1f88a6 PP |
137 | |
138 | if (ctf_fs->port_data) { | |
139 | g_ptr_array_free(ctf_fs->port_data, TRUE); | |
c14d7e26 | 140 | } |
760051fa | 141 | |
4f1f88a6 PP |
142 | if (ctf_fs->metadata) { |
143 | ctf_fs_metadata_fini(ctf_fs->metadata); | |
144 | g_free(ctf_fs->metadata); | |
145 | } | |
760051fa | 146 | |
599faa1c | 147 | bt_put(ctf_fs->cc_prio_map); |
4f1f88a6 | 148 | g_free(ctf_fs); |
4c1456f0 JG |
149 | } |
150 | ||
4f1f88a6 | 151 | void ctf_fs_finalize(struct bt_private_component *component) |
a4792757 | 152 | { |
4f1f88a6 PP |
153 | void *data = bt_private_component_get_user_data(component); |
154 | ||
155 | ctf_fs_destroy_data(data); | |
a4792757 JG |
156 | } |
157 | ||
e7a4393b | 158 | static |
4f1f88a6 PP |
159 | void port_data_destroy(void *data) { |
160 | struct ctf_fs_port_data *port_data = data; | |
161 | ||
162 | if (!port_data) { | |
163 | return; | |
164 | } | |
165 | ||
166 | if (port_data->path) { | |
167 | g_string_free(port_data->path, TRUE); | |
168 | } | |
169 | ||
170 | g_free(port_data); | |
5b29e799 JG |
171 | } |
172 | ||
173 | static | |
4f1f88a6 PP |
174 | int create_one_port(struct ctf_fs_component *ctf_fs, |
175 | const char *stream_basename, const char *stream_path) | |
5b29e799 | 176 | { |
4f1f88a6 PP |
177 | int ret = 0; |
178 | struct bt_private_port *port = NULL; | |
179 | struct ctf_fs_port_data *port_data = NULL; | |
180 | GString *port_name = NULL; | |
181 | ||
182 | port_name = g_string_new(NULL); | |
183 | if (!port_name) { | |
184 | goto error; | |
185 | } | |
186 | ||
187 | /* Assign the name for the new output port */ | |
188 | g_string_assign(port_name, ""); | |
189 | g_string_printf(port_name, "trace0-stream-%s", stream_basename); | |
190 | PDBG("Creating one port named `%s` associated with path `%s`\n", | |
191 | port_name->str, stream_path); | |
192 | ||
193 | /* Create output port for this file */ | |
4f1f88a6 PP |
194 | port_data = g_new0(struct ctf_fs_port_data, 1); |
195 | if (!port_data) { | |
196 | goto error; | |
197 | } | |
198 | ||
199 | port_data->path = g_string_new(stream_path); | |
200 | if (!port_data->path) { | |
201 | goto error; | |
202 | } | |
203 | ||
3e9b0023 PP |
204 | port = bt_private_component_source_add_output_private_port( |
205 | ctf_fs->priv_comp, port_name->str, port_data); | |
206 | if (!port) { | |
4f1f88a6 PP |
207 | goto error; |
208 | } | |
209 | ||
210 | g_ptr_array_add(ctf_fs->port_data, port_data); | |
211 | port_data = NULL; | |
212 | goto end; | |
213 | ||
214 | error: | |
215 | ret = -1; | |
216 | ||
217 | end: | |
218 | if (port_name) { | |
219 | g_string_free(port_name, TRUE); | |
220 | } | |
221 | ||
222 | bt_put(port); | |
223 | port_data_destroy(port_data); | |
224 | return ret; | |
5b29e799 JG |
225 | } |
226 | ||
227 | static | |
4f1f88a6 | 228 | int create_ports(struct ctf_fs_component *ctf_fs) |
e7a4393b JG |
229 | { |
230 | int ret = 0; | |
4f1f88a6 | 231 | const char *basename; |
e7a4393b | 232 | GError *error = NULL; |
4f1f88a6 | 233 | GDir *dir = NULL; |
4f1f88a6 | 234 | struct ctf_fs_file *file = NULL; |
e7a4393b | 235 | |
4f1f88a6 PP |
236 | /* Create one output port for each stream file */ |
237 | dir = g_dir_open(ctf_fs->trace_path->str, 0, &error); | |
e7a4393b | 238 | if (!dir) { |
4f1f88a6 PP |
239 | PERR("Cannot open directory `%s`: %s (code %d)\n", |
240 | ctf_fs->trace_path->str, error->message, | |
241 | error->code); | |
e7a4393b JG |
242 | goto error; |
243 | } | |
244 | ||
4f1f88a6 PP |
245 | while ((basename = g_dir_read_name(dir))) { |
246 | if (!strcmp(basename, CTF_FS_METADATA_FILENAME)) { | |
e7a4393b | 247 | /* Ignore the metadata stream. */ |
4f1f88a6 | 248 | PDBG("Ignoring metadata file `%s`\n", basename); |
e7a4393b JG |
249 | continue; |
250 | } | |
251 | ||
4f1f88a6 PP |
252 | if (basename[0] == '.') { |
253 | PDBG("Ignoring hidden file `%s`\n", basename); | |
e7a4393b JG |
254 | continue; |
255 | } | |
256 | ||
257 | /* Create the file. */ | |
258 | file = ctf_fs_file_create(ctf_fs); | |
259 | if (!file) { | |
4f1f88a6 PP |
260 | PERR("Cannot create stream file object for file `%s`\n", |
261 | basename); | |
e7a4393b JG |
262 | goto error; |
263 | } | |
264 | ||
265 | /* Create full path string. */ | |
266 | g_string_append_printf(file->path, "%s/%s", | |
4f1f88a6 | 267 | ctf_fs->trace_path->str, basename); |
e7a4393b | 268 | if (!g_file_test(file->path->str, G_FILE_TEST_IS_REGULAR)) { |
4f1f88a6 | 269 | PDBG("Ignoring non-regular file `%s`\n", basename); |
e7a4393b | 270 | ctf_fs_file_destroy(file); |
4f1f88a6 | 271 | file = NULL; |
e7a4393b JG |
272 | continue; |
273 | } | |
274 | ||
4f1f88a6 PP |
275 | ret = ctf_fs_file_open(ctf_fs, file, "rb"); |
276 | if (ret) { | |
277 | PERR("Cannot open stream file `%s`\n", basename); | |
e7a4393b JG |
278 | goto error; |
279 | } | |
280 | ||
9fa0891a JG |
281 | if (file->size == 0) { |
282 | /* Skip empty stream. */ | |
4f1f88a6 | 283 | PDBG("Ignoring empty file `%s`\n", basename); |
9fa0891a | 284 | ctf_fs_file_destroy(file); |
4f1f88a6 | 285 | file = NULL; |
9fa0891a JG |
286 | continue; |
287 | } | |
288 | ||
4f1f88a6 PP |
289 | ret = create_one_port(ctf_fs, basename, file->path->str); |
290 | if (ret) { | |
291 | PERR("Cannot create output port for file `%s`\n", | |
292 | basename); | |
e7a4393b JG |
293 | goto error; |
294 | } | |
295 | ||
4f1f88a6 PP |
296 | ctf_fs_file_destroy(file); |
297 | file = NULL; | |
e7a4393b JG |
298 | } |
299 | ||
300 | goto end; | |
4f1f88a6 | 301 | |
e7a4393b JG |
302 | error: |
303 | ret = -1; | |
4f1f88a6 | 304 | |
e7a4393b JG |
305 | end: |
306 | if (dir) { | |
307 | g_dir_close(dir); | |
308 | dir = NULL; | |
309 | } | |
4f1f88a6 | 310 | |
e7a4393b JG |
311 | if (error) { |
312 | g_error_free(error); | |
313 | } | |
5b29e799 | 314 | |
4f1f88a6 | 315 | ctf_fs_file_destroy(file); |
91457551 | 316 | return ret; |
5b29e799 JG |
317 | } |
318 | ||
599faa1c PP |
319 | static |
320 | int create_cc_prio_map(struct ctf_fs_component *ctf_fs) | |
321 | { | |
322 | int ret = 0; | |
323 | size_t i; | |
324 | int count; | |
325 | ||
326 | assert(ctf_fs); | |
327 | ctf_fs->cc_prio_map = bt_clock_class_priority_map_create(); | |
328 | if (!ctf_fs->cc_prio_map) { | |
329 | ret = -1; | |
330 | goto end; | |
331 | } | |
332 | ||
333 | count = bt_ctf_trace_get_clock_class_count(ctf_fs->metadata->trace); | |
334 | assert(count >= 0); | |
335 | ||
336 | for (i = 0; i < count; i++) { | |
337 | struct bt_ctf_clock_class *clock_class = | |
9ac68eb1 PP |
338 | bt_ctf_trace_get_clock_class_by_index( |
339 | ctf_fs->metadata->trace, i); | |
599faa1c PP |
340 | |
341 | assert(clock_class); | |
342 | ret = bt_clock_class_priority_map_add_clock_class( | |
343 | ctf_fs->cc_prio_map, clock_class, 0); | |
344 | BT_PUT(clock_class); | |
345 | ||
346 | if (ret) { | |
347 | goto end; | |
348 | } | |
349 | } | |
350 | ||
351 | end: | |
352 | return ret; | |
353 | } | |
354 | ||
5b29e799 | 355 | static |
4f1f88a6 PP |
356 | struct ctf_fs_component *ctf_fs_create(struct bt_private_component *priv_comp, |
357 | struct bt_value *params) | |
56a1cced JG |
358 | { |
359 | struct ctf_fs_component *ctf_fs; | |
1ef09eb5 | 360 | struct bt_value *value = NULL; |
56a1cced | 361 | const char *path; |
4f1f88a6 | 362 | int ret; |
56a1cced JG |
363 | |
364 | ctf_fs = g_new0(struct ctf_fs_component, 1); | |
365 | if (!ctf_fs) { | |
366 | goto end; | |
367 | } | |
368 | ||
4f1f88a6 PP |
369 | /* |
370 | * We don't need to get a new reference here because as long as | |
371 | * our private ctf_fs_component object exists, the containing | |
372 | * private component should also exist. | |
373 | */ | |
374 | ctf_fs->priv_comp = priv_comp; | |
375 | ||
56a1cced JG |
376 | /* FIXME: should probably look for a source URI */ |
377 | value = bt_value_map_get(params, "path"); | |
378 | if (!value || bt_value_is_null(value) || !bt_value_is_string(value)) { | |
379 | goto error; | |
380 | } | |
381 | ||
382 | ret = bt_value_string_get(value, &path); | |
4f1f88a6 PP |
383 | if (ret) { |
384 | goto error; | |
385 | } | |
386 | ||
387 | ctf_fs->port_data = g_ptr_array_new_with_free_func(port_data_destroy); | |
388 | if (!ctf_fs->port_data) { | |
56a1cced JG |
389 | goto error; |
390 | } | |
391 | ||
392 | ctf_fs->trace_path = g_string_new(path); | |
393 | if (!ctf_fs->trace_path) { | |
92540773 | 394 | BT_PUT(value); |
56a1cced JG |
395 | goto error; |
396 | } | |
92540773 JD |
397 | bt_put(value); |
398 | ||
399 | value = bt_value_map_get(params, "offset-s"); | |
400 | if (value) { | |
401 | int64_t offset; | |
402 | ||
403 | if (!bt_value_is_integer(value)) { | |
404 | fprintf(stderr, | |
405 | "offset-s should be an integer\n"); | |
406 | goto error; | |
407 | } | |
408 | ret = bt_value_integer_get(value, &offset); | |
409 | if (ret != BT_VALUE_STATUS_OK) { | |
410 | fprintf(stderr, | |
411 | "Failed to get offset-s value\n"); | |
412 | goto error; | |
413 | } | |
414 | ctf_fs->options.clock_offset = offset; | |
415 | bt_put(value); | |
416 | } | |
417 | ||
418 | value = bt_value_map_get(params, "offset-ns"); | |
419 | if (value) { | |
420 | int64_t offset; | |
421 | ||
422 | if (!bt_value_is_integer(value)) { | |
423 | fprintf(stderr, | |
424 | "offset-ns should be an integer\n"); | |
425 | goto error; | |
426 | } | |
427 | ret = bt_value_integer_get(value, &offset); | |
428 | if (ret != BT_VALUE_STATUS_OK) { | |
429 | fprintf(stderr, | |
430 | "Failed to get offset-ns value\n"); | |
431 | goto error; | |
432 | } | |
433 | ctf_fs->options.clock_offset_ns = offset; | |
434 | bt_put(value); | |
435 | } | |
436 | ||
56a1cced JG |
437 | ctf_fs->error_fp = stderr; |
438 | ctf_fs->page_size = (size_t) getpagesize(); | |
e7a4393b JG |
439 | |
440 | // FIXME: check error. | |
5b29e799 JG |
441 | ctf_fs->metadata = g_new0(struct ctf_fs_metadata, 1); |
442 | if (!ctf_fs->metadata) { | |
e7a4393b JG |
443 | goto error; |
444 | } | |
4f1f88a6 PP |
445 | |
446 | ret = ctf_fs_metadata_set_trace(ctf_fs); | |
447 | if (ret) { | |
448 | goto error; | |
449 | } | |
450 | ||
599faa1c PP |
451 | ret = create_cc_prio_map(ctf_fs); |
452 | if (ret) { | |
453 | goto error; | |
454 | } | |
455 | ||
4f1f88a6 PP |
456 | ret = create_ports(ctf_fs); |
457 | if (ret) { | |
458 | goto error; | |
459 | } | |
460 | ||
1ef09eb5 JG |
461 | goto end; |
462 | ||
56a1cced JG |
463 | error: |
464 | ctf_fs_destroy_data(ctf_fs); | |
e7a4393b | 465 | ctf_fs = NULL; |
1ef09eb5 | 466 | end: |
56a1cced JG |
467 | return ctf_fs; |
468 | } | |
469 | ||
ea0b4b9e | 470 | BT_HIDDEN |
4f1f88a6 | 471 | enum bt_component_status ctf_fs_init(struct bt_private_component *priv_comp, |
7d61fa8e | 472 | struct bt_value *params, UNUSED_VAR void *init_method_data) |
ea0b4b9e JG |
473 | { |
474 | struct ctf_fs_component *ctf_fs; | |
475 | enum bt_component_status ret = BT_COMPONENT_STATUS_OK; | |
476 | ||
4f1f88a6 | 477 | assert(priv_comp); |
ea0b4b9e | 478 | ctf_fs_debug = g_strcmp0(getenv("CTF_FS_DEBUG"), "1") == 0; |
4f1f88a6 | 479 | ctf_fs = ctf_fs_create(priv_comp, params); |
ea0b4b9e JG |
480 | if (!ctf_fs) { |
481 | ret = BT_COMPONENT_STATUS_NOMEM; | |
482 | goto end; | |
483 | } | |
4c1456f0 | 484 | |
4f1f88a6 | 485 | ret = bt_private_component_set_user_data(priv_comp, ctf_fs); |
ea0b4b9e JG |
486 | if (ret != BT_COMPONENT_STATUS_OK) { |
487 | goto error; | |
488 | } | |
ea0b4b9e JG |
489 | end: |
490 | return ret; | |
491 | error: | |
4f1f88a6 | 492 | (void) bt_private_component_set_user_data(priv_comp, NULL); |
760051fa | 493 | ctf_fs_destroy_data(ctf_fs); |
ea0b4b9e JG |
494 | return ret; |
495 | } | |
33f93973 PP |
496 | |
497 | BT_HIDDEN | |
a67681c1 PP |
498 | struct bt_value *ctf_fs_query(struct bt_component_class *comp_class, |
499 | const char *object, struct bt_value *params) | |
33f93973 PP |
500 | { |
501 | struct bt_value *results = NULL; | |
502 | struct bt_value *path_value = NULL; | |
503 | char *metadata_text = NULL; | |
504 | FILE *metadata_fp = NULL; | |
505 | GString *g_metadata_text = NULL; | |
506 | ||
a67681c1 | 507 | if (strcmp(object, "metadata-info") == 0) { |
33f93973 PP |
508 | int ret; |
509 | int bo; | |
510 | const char *path; | |
511 | bool is_packetized; | |
512 | ||
513 | results = bt_value_map_create(); | |
514 | if (!results) { | |
515 | goto error; | |
516 | } | |
517 | ||
518 | if (!bt_value_is_map(params)) { | |
519 | fprintf(stderr, | |
a67681c1 | 520 | "Query parameters is not a map value object\n"); |
33f93973 PP |
521 | goto error; |
522 | } | |
523 | ||
524 | path_value = bt_value_map_get(params, "path"); | |
525 | ret = bt_value_string_get(path_value, &path); | |
526 | if (ret) { | |
527 | fprintf(stderr, | |
528 | "Cannot get `path` string parameter\n"); | |
529 | goto error; | |
530 | } | |
531 | ||
532 | assert(path); | |
533 | metadata_fp = ctf_fs_metadata_open_file(path); | |
534 | if (!metadata_fp) { | |
535 | fprintf(stderr, | |
536 | "Cannot open trace at path `%s`\n", path); | |
537 | goto error; | |
538 | } | |
539 | ||
1e649dff PP |
540 | is_packetized = ctf_metadata_decoder_is_packetized(metadata_fp, |
541 | &bo); | |
33f93973 PP |
542 | |
543 | if (is_packetized) { | |
1e649dff PP |
544 | ret = ctf_metadata_decoder_packetized_file_stream_to_buf( |
545 | metadata_fp, &metadata_text, bo); | |
33f93973 PP |
546 | if (ret) { |
547 | fprintf(stderr, | |
548 | "Cannot decode packetized metadata file\n"); | |
549 | goto error; | |
550 | } | |
551 | } else { | |
552 | long filesize; | |
553 | ||
554 | fseek(metadata_fp, 0, SEEK_END); | |
555 | filesize = ftell(metadata_fp); | |
556 | rewind(metadata_fp); | |
557 | metadata_text = malloc(filesize + 1); | |
558 | if (!metadata_text) { | |
559 | fprintf(stderr, | |
560 | "Cannot allocate buffer for metadata text\n"); | |
561 | goto error; | |
562 | } | |
563 | ||
564 | if (fread(metadata_text, filesize, 1, metadata_fp) != | |
565 | 1) { | |
566 | fprintf(stderr, | |
567 | "Cannot read metadata file\n"); | |
568 | goto error; | |
569 | } | |
570 | ||
571 | metadata_text[filesize] = '\0'; | |
572 | } | |
573 | ||
574 | g_metadata_text = g_string_new(NULL); | |
575 | if (!g_metadata_text) { | |
576 | goto error; | |
577 | } | |
578 | ||
579 | if (strncmp(metadata_text, METADATA_TEXT_SIG, | |
580 | sizeof(METADATA_TEXT_SIG) - 1) != 0) { | |
581 | g_string_assign(g_metadata_text, METADATA_TEXT_SIG); | |
582 | g_string_append(g_metadata_text, " */\n\n"); | |
583 | } | |
584 | ||
585 | g_string_append(g_metadata_text, metadata_text); | |
586 | ||
587 | ret = bt_value_map_insert_string(results, "text", | |
588 | g_metadata_text->str); | |
589 | if (ret) { | |
590 | fprintf(stderr, "Cannot insert metadata text into results\n"); | |
591 | goto error; | |
592 | } | |
593 | ||
594 | ret = bt_value_map_insert_bool(results, "is-packetized", | |
595 | is_packetized); | |
596 | if (ret) { | |
597 | fprintf(stderr, "Cannot insert is packetized into results\n"); | |
598 | goto error; | |
599 | } | |
600 | } else { | |
a67681c1 | 601 | fprintf(stderr, "Unknown query object `%s`\n", object); |
33f93973 PP |
602 | goto error; |
603 | } | |
604 | ||
605 | goto end; | |
606 | ||
607 | error: | |
608 | BT_PUT(results); | |
609 | ||
610 | end: | |
611 | bt_put(path_value); | |
612 | free(metadata_text); | |
613 | ||
614 | if (g_metadata_text) { | |
615 | g_string_free(g_metadata_text, TRUE); | |
616 | } | |
617 | ||
618 | if (metadata_fp) { | |
619 | fclose(metadata_fp); | |
620 | } | |
621 | return results; | |
622 | } |