Commit | Line | Data |
---|---|---|
7a278c8e | 1 | /* |
ea0b4b9e | 2 | * fs.c |
7a278c8e | 3 | * |
ea0b4b9e | 4 | * Babeltrace CTF file system Reader Component |
7a278c8e | 5 | * |
1a9f7075 | 6 | * Copyright 2015-2017 Philippe Proulx <pproulx@efficios.com> |
f3bc2010 | 7 | * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
7a278c8e | 8 | * |
7a278c8e JG |
9 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
10 | * of this software and associated documentation files (the "Software"), to deal | |
11 | * in the Software without restriction, including without limitation the rights | |
12 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
13 | * copies of the Software, and to permit persons to whom the Software is | |
14 | * furnished to do so, subject to the following conditions: | |
15 | * | |
16 | * The above copyright notice and this permission notice shall be included in | |
17 | * all copies or substantial portions of the Software. | |
18 | * | |
19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
22 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
23 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
24 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
25 | * SOFTWARE. | |
26 | */ | |
27 | ||
4bd72b60 | 28 | #include <babeltrace/common-internal.h> |
9d408fca | 29 | #include <babeltrace/babeltrace.h> |
41a65f30 | 30 | #include <babeltrace/compat/uuid-internal.h> |
7d61fa8e | 31 | #include <plugins-common.h> |
ea0b4b9e | 32 | #include <glib.h> |
f6ccaed9 | 33 | #include <babeltrace/assert-internal.h> |
94cf822e | 34 | #include <inttypes.h> |
c55a9f58 | 35 | #include <stdbool.h> |
56a1cced | 36 | #include "fs.h" |
413bc2c4 | 37 | #include "metadata.h" |
94cf822e | 38 | #include "data-stream-file.h" |
e7a4393b | 39 | #include "file.h" |
1e649dff | 40 | #include "../common/metadata/decoder.h" |
d6e69534 | 41 | #include "../common/msg-iter/msg-iter.h" |
a429c321 | 42 | #include "../common/utils/utils.h" |
04c0ba87 | 43 | #include "query.h" |
e7a4393b | 44 | |
55314f2a JG |
45 | #define BT_LOG_TAG "PLUGIN-CTF-FS-SRC" |
46 | #include "logging.h" | |
ea0b4b9e | 47 | |
94cf822e | 48 | static |
d6e69534 | 49 | int msg_iter_data_set_current_ds_file(struct ctf_fs_msg_iter_data *msg_iter_data) |
94cf822e PP |
50 | { |
51 | struct ctf_fs_ds_file_info *ds_file_info; | |
52 | int ret = 0; | |
53 | ||
d6e69534 PP |
54 | BT_ASSERT(msg_iter_data->ds_file_info_index < |
55 | msg_iter_data->ds_file_group->ds_file_infos->len); | |
94cf822e | 56 | ds_file_info = g_ptr_array_index( |
d6e69534 PP |
57 | msg_iter_data->ds_file_group->ds_file_infos, |
58 | msg_iter_data->ds_file_info_index); | |
59 | ||
60 | ctf_fs_ds_file_destroy(msg_iter_data->ds_file); | |
61 | msg_iter_data->ds_file = ctf_fs_ds_file_create( | |
62 | msg_iter_data->ds_file_group->ctf_fs_trace, | |
63 | msg_iter_data->pc_msg_iter, | |
64 | msg_iter_data->msg_iter, | |
65 | msg_iter_data->ds_file_group->stream, | |
97ade20b | 66 | ds_file_info->path->str); |
d6e69534 | 67 | if (!msg_iter_data->ds_file) { |
94cf822e PP |
68 | ret = -1; |
69 | } | |
70 | ||
71 | return ret; | |
72 | } | |
73 | ||
74 | static | |
d6e69534 PP |
75 | void ctf_fs_msg_iter_data_destroy( |
76 | struct ctf_fs_msg_iter_data *msg_iter_data) | |
94cf822e | 77 | { |
d6e69534 | 78 | if (!msg_iter_data) { |
94cf822e PP |
79 | return; |
80 | } | |
81 | ||
d6e69534 | 82 | ctf_fs_ds_file_destroy(msg_iter_data->ds_file); |
6de92955 | 83 | |
d6e69534 PP |
84 | if (msg_iter_data->msg_iter) { |
85 | bt_msg_iter_destroy(msg_iter_data->msg_iter); | |
6de92955 PP |
86 | } |
87 | ||
d6e69534 | 88 | g_free(msg_iter_data); |
94cf822e PP |
89 | } |
90 | ||
fc917f65 PP |
91 | static |
92 | void set_msg_iter_emits_stream_beginning_end_messages( | |
93 | struct ctf_fs_msg_iter_data *msg_iter_data) | |
94 | { | |
95 | bt_msg_iter_set_emit_stream_beginning_message( | |
96 | msg_iter_data->ds_file->msg_iter, | |
97 | msg_iter_data->ds_file_info_index == 0); | |
98 | bt_msg_iter_set_emit_stream_end_message( | |
99 | msg_iter_data->ds_file->msg_iter, | |
100 | msg_iter_data->ds_file_info_index == | |
101 | msg_iter_data->ds_file_group->ds_file_infos->len - 1); | |
102 | } | |
103 | ||
d4393e08 | 104 | static |
4cdfc5e8 | 105 | bt_self_message_iterator_status ctf_fs_iterator_next_one( |
d6e69534 | 106 | struct ctf_fs_msg_iter_data *msg_iter_data, |
fc917f65 | 107 | const bt_message **out_msg) |
ea0b4b9e | 108 | { |
4cdfc5e8 | 109 | bt_self_message_iterator_status status; |
94cf822e | 110 | |
d6e69534 | 111 | BT_ASSERT(msg_iter_data->ds_file); |
f42867e2 | 112 | |
fc917f65 PP |
113 | while (true) { |
114 | bt_message *msg; | |
115 | ||
116 | status = ctf_fs_ds_file_next(msg_iter_data->ds_file, &msg); | |
117 | switch (status) { | |
118 | case BT_SELF_MESSAGE_ITERATOR_STATUS_OK: | |
119 | *out_msg = msg; | |
120 | msg = NULL; | |
f42867e2 | 121 | goto end; |
fc917f65 PP |
122 | case BT_SELF_MESSAGE_ITERATOR_STATUS_END: |
123 | { | |
124 | int ret; | |
f42867e2 | 125 | |
fc917f65 PP |
126 | if (msg_iter_data->ds_file_info_index == |
127 | msg_iter_data->ds_file_group->ds_file_infos->len - 1) { | |
128 | /* End of all group's stream files */ | |
129 | goto end; | |
130 | } | |
131 | ||
132 | msg_iter_data->ds_file_info_index++; | |
495490c5 PP |
133 | bt_msg_iter_reset_for_next_stream_file( |
134 | msg_iter_data->msg_iter); | |
fc917f65 PP |
135 | set_msg_iter_emits_stream_beginning_end_messages( |
136 | msg_iter_data); | |
94cf822e | 137 | |
94cf822e | 138 | /* |
fc917f65 PP |
139 | * Open and start reading the next stream file |
140 | * within our stream file group. | |
94cf822e | 141 | */ |
fc917f65 PP |
142 | ret = msg_iter_data_set_current_ds_file(msg_iter_data); |
143 | if (ret) { | |
144 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; | |
145 | goto end; | |
146 | } | |
147 | ||
148 | /* Continue the loop to get the next message */ | |
149 | break; | |
94cf822e | 150 | } |
fc917f65 | 151 | default: |
94cf822e PP |
152 | goto end; |
153 | } | |
94cf822e | 154 | } |
d01e0f33 | 155 | |
94cf822e | 156 | end: |
d4393e08 PP |
157 | return status; |
158 | } | |
159 | ||
160 | BT_HIDDEN | |
4cdfc5e8 | 161 | bt_self_message_iterator_status ctf_fs_iterator_next( |
d6e69534 PP |
162 | bt_self_message_iterator *iterator, |
163 | bt_message_array_const msgs, uint64_t capacity, | |
d4393e08 PP |
164 | uint64_t *count) |
165 | { | |
4cdfc5e8 | 166 | bt_self_message_iterator_status status = |
d6e69534 PP |
167 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
168 | struct ctf_fs_msg_iter_data *msg_iter_data = | |
169 | bt_self_message_iterator_get_data(iterator); | |
d4393e08 PP |
170 | uint64_t i = 0; |
171 | ||
d6e69534 PP |
172 | while (i < capacity && status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { |
173 | status = ctf_fs_iterator_next_one(msg_iter_data, &msgs[i]); | |
174 | if (status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { | |
d4393e08 PP |
175 | i++; |
176 | } | |
177 | } | |
178 | ||
179 | if (i > 0) { | |
180 | /* | |
181 | * Even if ctf_fs_iterator_next_one() returned something | |
d6e69534 PP |
182 | * else than BT_SELF_MESSAGE_ITERATOR_STATUS_OK, we |
183 | * accumulated message objects in the output | |
184 | * message array, so we need to return | |
185 | * BT_SELF_MESSAGE_ITERATOR_STATUS_OK so that they are | |
d4393e08 | 186 | * transfered to downstream. This other status occurs |
d6e69534 | 187 | * again the next time muxer_msg_iter_do_next() is |
d4393e08 | 188 | * called, possibly without any accumulated |
d6e69534 | 189 | * message, in which case we'll return it. |
d4393e08 PP |
190 | */ |
191 | *count = i; | |
d6e69534 | 192 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
d4393e08 PP |
193 | } |
194 | ||
195 | return status; | |
ea0b4b9e | 196 | } |
bfd20a42 | 197 | |
6a9bb5e9 PP |
198 | static |
199 | int ctf_fs_iterator_reset(struct ctf_fs_msg_iter_data *msg_iter_data) | |
200 | { | |
201 | int ret; | |
202 | ||
203 | msg_iter_data->ds_file_info_index = 0; | |
204 | ret = msg_iter_data_set_current_ds_file(msg_iter_data); | |
205 | if (ret) { | |
206 | goto end; | |
207 | } | |
208 | ||
209 | bt_msg_iter_reset(msg_iter_data->msg_iter); | |
210 | set_msg_iter_emits_stream_beginning_end_messages(msg_iter_data); | |
211 | ||
212 | end: | |
213 | return ret; | |
214 | } | |
215 | ||
216 | BT_HIDDEN | |
217 | bt_self_message_iterator_status ctf_fs_iterator_seek_beginning( | |
218 | bt_self_message_iterator *it) | |
219 | { | |
220 | struct ctf_fs_msg_iter_data *msg_iter_data = | |
221 | bt_self_message_iterator_get_data(it); | |
222 | bt_self_message_iterator_status status = | |
223 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
224 | ||
225 | BT_ASSERT(msg_iter_data); | |
226 | if (ctf_fs_iterator_reset(msg_iter_data)) { | |
227 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; | |
228 | } | |
229 | ||
230 | return status; | |
231 | } | |
232 | ||
233 | BT_HIDDEN | |
d6e69534 | 234 | void ctf_fs_iterator_finalize(bt_self_message_iterator *it) |
760051fa | 235 | { |
d6e69534 PP |
236 | ctf_fs_msg_iter_data_destroy( |
237 | bt_self_message_iterator_get_data(it)); | |
760051fa JG |
238 | } |
239 | ||
6a9bb5e9 | 240 | BT_HIDDEN |
4cdfc5e8 | 241 | bt_self_message_iterator_status ctf_fs_iterator_init( |
d6e69534 | 242 | bt_self_message_iterator *self_msg_iter, |
b19ff26f PP |
243 | bt_self_component_source *self_comp, |
244 | bt_self_component_port_output *self_port) | |
4c1456f0 | 245 | { |
4f1f88a6 | 246 | struct ctf_fs_port_data *port_data; |
d6e69534 | 247 | struct ctf_fs_msg_iter_data *msg_iter_data = NULL; |
4cdfc5e8 | 248 | bt_self_message_iterator_status ret = |
d6e69534 | 249 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
760051fa | 250 | |
d94d92ac | 251 | port_data = bt_self_component_port_get_data( |
707b7d35 | 252 | bt_self_component_port_output_as_self_component_port( |
d94d92ac PP |
253 | self_port)); |
254 | BT_ASSERT(port_data); | |
d6e69534 PP |
255 | msg_iter_data = g_new0(struct ctf_fs_msg_iter_data, 1); |
256 | if (!msg_iter_data) { | |
257 | ret = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; | |
94cf822e PP |
258 | goto error; |
259 | } | |
260 | ||
d6e69534 PP |
261 | msg_iter_data->pc_msg_iter = self_msg_iter; |
262 | msg_iter_data->msg_iter = bt_msg_iter_create( | |
44c440bc | 263 | port_data->ds_file_group->ctf_fs_trace->metadata->tc, |
6de92955 PP |
264 | bt_common_get_page_size() * 8, |
265 | ctf_fs_ds_file_medops, NULL); | |
d6e69534 PP |
266 | if (!msg_iter_data->msg_iter) { |
267 | BT_LOGE_STR("Cannot create a CTF message iterator."); | |
268 | ret = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; | |
6de92955 PP |
269 | goto error; |
270 | } | |
271 | ||
d6e69534 | 272 | msg_iter_data->ds_file_group = port_data->ds_file_group; |
6a9bb5e9 | 273 | if (ctf_fs_iterator_reset(msg_iter_data)) { |
d6e69534 | 274 | ret = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; |
4f1f88a6 | 275 | goto error; |
760051fa JG |
276 | } |
277 | ||
d6e69534 PP |
278 | bt_self_message_iterator_set_data(self_msg_iter, |
279 | msg_iter_data); | |
280 | if (ret != BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { | |
4f1f88a6 | 281 | goto error; |
760051fa JG |
282 | } |
283 | ||
d6e69534 | 284 | msg_iter_data = NULL; |
4f1f88a6 | 285 | goto end; |
5b29e799 | 286 | |
4f1f88a6 | 287 | error: |
d6e69534 | 288 | bt_self_message_iterator_set_data(self_msg_iter, NULL); |
4f1f88a6 | 289 | |
760051fa | 290 | end: |
d6e69534 | 291 | ctf_fs_msg_iter_data_destroy(msg_iter_data); |
760051fa JG |
292 | return ret; |
293 | } | |
294 | ||
f280892e | 295 | BT_HIDDEN |
1a9f7075 | 296 | void ctf_fs_destroy(struct ctf_fs_component *ctf_fs) |
760051fa | 297 | { |
4f1f88a6 | 298 | if (!ctf_fs) { |
8fa760ba JG |
299 | return; |
300 | } | |
4f1f88a6 | 301 | |
1a9f7075 PP |
302 | if (ctf_fs->traces) { |
303 | g_ptr_array_free(ctf_fs->traces, TRUE); | |
56a1cced | 304 | } |
4f1f88a6 PP |
305 | |
306 | if (ctf_fs->port_data) { | |
307 | g_ptr_array_free(ctf_fs->port_data, TRUE); | |
c14d7e26 | 308 | } |
760051fa | 309 | |
1a9f7075 PP |
310 | g_free(ctf_fs); |
311 | } | |
312 | ||
f280892e SM |
313 | static |
314 | void port_data_destroy(struct ctf_fs_port_data *port_data) | |
315 | { | |
316 | if (!port_data) { | |
317 | return; | |
318 | } | |
319 | ||
320 | g_free(port_data); | |
321 | } | |
322 | ||
323 | static | |
324 | void port_data_destroy_notifier(void *data) { | |
325 | port_data_destroy(data); | |
326 | } | |
327 | ||
328 | static | |
97ade20b | 329 | void ctf_fs_trace_destroy(struct ctf_fs_trace *ctf_fs_trace) |
1a9f7075 | 330 | { |
1a9f7075 PP |
331 | if (!ctf_fs_trace) { |
332 | return; | |
333 | } | |
334 | ||
94cf822e PP |
335 | if (ctf_fs_trace->ds_file_groups) { |
336 | g_ptr_array_free(ctf_fs_trace->ds_file_groups, TRUE); | |
337 | } | |
338 | ||
c5b9b441 | 339 | BT_TRACE_PUT_REF_AND_RESET(ctf_fs_trace->trace); |
862ca4ed | 340 | |
1a9f7075 PP |
341 | if (ctf_fs_trace->path) { |
342 | g_string_free(ctf_fs_trace->path, TRUE); | |
4f1f88a6 | 343 | } |
760051fa | 344 | |
1a9f7075 PP |
345 | if (ctf_fs_trace->name) { |
346 | g_string_free(ctf_fs_trace->name, TRUE); | |
347 | } | |
348 | ||
349 | if (ctf_fs_trace->metadata) { | |
350 | ctf_fs_metadata_fini(ctf_fs_trace->metadata); | |
351 | g_free(ctf_fs_trace->metadata); | |
352 | } | |
353 | ||
1a9f7075 | 354 | g_free(ctf_fs_trace); |
4c1456f0 JG |
355 | } |
356 | ||
97ade20b | 357 | static |
56a924f4 | 358 | void ctf_fs_trace_destroy_notifier(void *data) |
97ade20b JG |
359 | { |
360 | struct ctf_fs_trace *trace = data; | |
361 | ctf_fs_trace_destroy(trace); | |
362 | } | |
363 | ||
f280892e | 364 | struct ctf_fs_component *ctf_fs_component_create(void) |
a4792757 | 365 | { |
f280892e | 366 | struct ctf_fs_component *ctf_fs; |
a4792757 | 367 | |
f280892e SM |
368 | ctf_fs = g_new0(struct ctf_fs_component, 1); |
369 | if (!ctf_fs) { | |
370 | goto error; | |
371 | } | |
4f1f88a6 | 372 | |
f280892e SM |
373 | ctf_fs->port_data = |
374 | g_ptr_array_new_with_free_func(port_data_destroy_notifier); | |
375 | if (!ctf_fs->port_data) { | |
376 | goto error; | |
4f1f88a6 PP |
377 | } |
378 | ||
f280892e SM |
379 | ctf_fs->traces = |
380 | g_ptr_array_new_with_free_func(ctf_fs_trace_destroy_notifier); | |
381 | if (!ctf_fs->traces) { | |
382 | goto error; | |
383 | } | |
384 | ||
385 | goto end; | |
386 | ||
387 | error: | |
388 | if (ctf_fs) { | |
389 | ctf_fs_destroy(ctf_fs); | |
390 | } | |
391 | ||
392 | end: | |
393 | return ctf_fs; | |
394 | } | |
395 | ||
396 | void ctf_fs_finalize(bt_self_component_source *component) | |
397 | { | |
398 | ctf_fs_destroy(bt_self_component_get_data( | |
399 | bt_self_component_source_as_self_component(component))); | |
5b29e799 JG |
400 | } |
401 | ||
547eacf1 PP |
402 | static |
403 | GString *get_stream_instance_unique_name( | |
404 | struct ctf_fs_ds_file_group *ds_file_group) | |
405 | { | |
406 | GString *name; | |
407 | struct ctf_fs_ds_file_info *ds_file_info; | |
408 | ||
409 | name = g_string_new(NULL); | |
410 | if (!name) { | |
411 | goto end; | |
412 | } | |
413 | ||
414 | /* | |
415 | * If there's more than one stream file in the stream file | |
416 | * group, the first (earliest) stream file's path is used as | |
417 | * the stream's unique name. | |
418 | */ | |
f6ccaed9 | 419 | BT_ASSERT(ds_file_group->ds_file_infos->len > 0); |
547eacf1 PP |
420 | ds_file_info = g_ptr_array_index(ds_file_group->ds_file_infos, 0); |
421 | g_string_assign(name, ds_file_info->path->str); | |
422 | ||
423 | end: | |
424 | return name; | |
425 | } | |
426 | ||
5b29e799 | 427 | static |
55314f2a JG |
428 | int create_one_port_for_trace(struct ctf_fs_component *ctf_fs, |
429 | struct ctf_fs_trace *ctf_fs_trace, | |
94cf822e | 430 | struct ctf_fs_ds_file_group *ds_file_group) |
5b29e799 | 431 | { |
4f1f88a6 | 432 | int ret = 0; |
4f1f88a6 PP |
433 | struct ctf_fs_port_data *port_data = NULL; |
434 | GString *port_name = NULL; | |
435 | ||
547eacf1 | 436 | port_name = get_stream_instance_unique_name(ds_file_group); |
4f1f88a6 PP |
437 | if (!port_name) { |
438 | goto error; | |
439 | } | |
440 | ||
55314f2a | 441 | BT_LOGD("Creating one port named `%s`", port_name->str); |
4f1f88a6 PP |
442 | |
443 | /* Create output port for this file */ | |
4f1f88a6 PP |
444 | port_data = g_new0(struct ctf_fs_port_data, 1); |
445 | if (!port_data) { | |
446 | goto error; | |
447 | } | |
448 | ||
5c563278 | 449 | port_data->ctf_fs = ctf_fs; |
94cf822e | 450 | port_data->ds_file_group = ds_file_group; |
d94d92ac PP |
451 | ret = bt_self_component_source_add_output_port( |
452 | ctf_fs->self_comp, port_name->str, port_data, NULL); | |
147337a3 | 453 | if (ret) { |
4f1f88a6 PP |
454 | goto error; |
455 | } | |
456 | ||
457 | g_ptr_array_add(ctf_fs->port_data, port_data); | |
458 | port_data = NULL; | |
459 | goto end; | |
460 | ||
461 | error: | |
462 | ret = -1; | |
463 | ||
464 | end: | |
465 | if (port_name) { | |
466 | g_string_free(port_name, TRUE); | |
467 | } | |
468 | ||
4f1f88a6 PP |
469 | port_data_destroy(port_data); |
470 | return ret; | |
5b29e799 JG |
471 | } |
472 | ||
473 | static | |
55314f2a JG |
474 | int create_ports_for_trace(struct ctf_fs_component *ctf_fs, |
475 | struct ctf_fs_trace *ctf_fs_trace) | |
94cf822e PP |
476 | { |
477 | int ret = 0; | |
94cf822e PP |
478 | size_t i; |
479 | ||
480 | /* Create one output port for each stream file group */ | |
481 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
482 | struct ctf_fs_ds_file_group *ds_file_group = | |
483 | g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
484 | ||
55314f2a JG |
485 | ret = create_one_port_for_trace(ctf_fs, ctf_fs_trace, |
486 | ds_file_group); | |
94cf822e | 487 | if (ret) { |
55314f2a | 488 | BT_LOGE("Cannot create output port."); |
94cf822e PP |
489 | goto end; |
490 | } | |
491 | } | |
492 | ||
493 | end: | |
494 | return ret; | |
495 | } | |
496 | ||
94cf822e PP |
497 | static |
498 | void ctf_fs_ds_file_info_destroy(struct ctf_fs_ds_file_info *ds_file_info) | |
499 | { | |
500 | if (!ds_file_info) { | |
501 | return; | |
502 | } | |
503 | ||
504 | if (ds_file_info->path) { | |
505 | g_string_free(ds_file_info->path, TRUE); | |
506 | } | |
507 | ||
97ade20b | 508 | ctf_fs_ds_index_destroy(ds_file_info->index); |
94cf822e PP |
509 | g_free(ds_file_info); |
510 | } | |
511 | ||
512 | static | |
513 | struct ctf_fs_ds_file_info *ctf_fs_ds_file_info_create(const char *path, | |
44c440bc | 514 | int64_t begin_ns, struct ctf_fs_ds_index *index) |
94cf822e PP |
515 | { |
516 | struct ctf_fs_ds_file_info *ds_file_info; | |
517 | ||
518 | ds_file_info = g_new0(struct ctf_fs_ds_file_info, 1); | |
519 | if (!ds_file_info) { | |
520 | goto end; | |
521 | } | |
522 | ||
523 | ds_file_info->path = g_string_new(path); | |
524 | if (!ds_file_info->path) { | |
525 | ctf_fs_ds_file_info_destroy(ds_file_info); | |
526 | ds_file_info = NULL; | |
527 | goto end; | |
528 | } | |
529 | ||
530 | ds_file_info->begin_ns = begin_ns; | |
97ade20b JG |
531 | ds_file_info->index = index; |
532 | index = NULL; | |
94cf822e PP |
533 | |
534 | end: | |
97ade20b | 535 | ctf_fs_ds_index_destroy(index); |
94cf822e PP |
536 | return ds_file_info; |
537 | } | |
538 | ||
539 | static | |
540 | void ctf_fs_ds_file_group_destroy(struct ctf_fs_ds_file_group *ds_file_group) | |
541 | { | |
542 | if (!ds_file_group) { | |
543 | return; | |
544 | } | |
545 | ||
546 | if (ds_file_group->ds_file_infos) { | |
547 | g_ptr_array_free(ds_file_group->ds_file_infos, TRUE); | |
548 | } | |
549 | ||
c5b9b441 | 550 | bt_stream_put_ref(ds_file_group->stream); |
94cf822e PP |
551 | g_free(ds_file_group); |
552 | } | |
553 | ||
554 | static | |
555 | struct ctf_fs_ds_file_group *ctf_fs_ds_file_group_create( | |
556 | struct ctf_fs_trace *ctf_fs_trace, | |
60363f2f | 557 | struct ctf_stream_class *sc, |
94cf822e PP |
558 | uint64_t stream_instance_id) |
559 | { | |
560 | struct ctf_fs_ds_file_group *ds_file_group; | |
561 | ||
94cf822e PP |
562 | ds_file_group = g_new0(struct ctf_fs_ds_file_group, 1); |
563 | if (!ds_file_group) { | |
564 | goto error; | |
565 | } | |
566 | ||
567 | ds_file_group->ds_file_infos = g_ptr_array_new_with_free_func( | |
568 | (GDestroyNotify) ctf_fs_ds_file_info_destroy); | |
569 | if (!ds_file_group->ds_file_infos) { | |
570 | goto error; | |
571 | } | |
572 | ||
547eacf1 | 573 | ds_file_group->stream_id = stream_instance_id; |
60363f2f PP |
574 | BT_ASSERT(sc); |
575 | ds_file_group->sc = sc; | |
94cf822e | 576 | ds_file_group->ctf_fs_trace = ctf_fs_trace; |
94cf822e PP |
577 | goto end; |
578 | ||
579 | error: | |
580 | ctf_fs_ds_file_group_destroy(ds_file_group); | |
581 | ds_file_group = NULL; | |
582 | ||
583 | end: | |
584 | return ds_file_group; | |
585 | } | |
586 | ||
8bf7105e MJ |
587 | /* Replace by g_ptr_array_insert when we depend on glib >= 2.40. */ |
588 | static | |
589 | void array_insert(GPtrArray *array, gpointer element, size_t pos) | |
590 | { | |
591 | size_t original_array_len = array->len; | |
592 | ||
593 | /* Allocate an unused element at the end of the array. */ | |
594 | g_ptr_array_add(array, NULL); | |
595 | ||
596 | /* If we are not inserting at the end, move the elements by one. */ | |
597 | if (pos < original_array_len) { | |
598 | memmove(&(array->pdata[pos + 1]), | |
599 | &(array->pdata[pos]), | |
600 | (original_array_len - pos) * sizeof(gpointer)); | |
601 | } | |
602 | ||
603 | /* Insert the value and bump the array len */ | |
604 | array->pdata[pos] = element; | |
605 | } | |
606 | ||
41a65f30 SM |
607 | /* |
608 | * Insert ds_file_info in ds_file_group's list of ds_file_infos at the right | |
609 | * place to keep it sorted. | |
610 | */ | |
611 | ||
612 | static | |
613 | void ds_file_group_insert_ds_file_info_sorted( | |
614 | struct ctf_fs_ds_file_group *ds_file_group, | |
615 | struct ctf_fs_ds_file_info *ds_file_info) | |
616 | { | |
617 | guint i; | |
618 | ||
619 | /* Find the spot where to insert this ds_file_info. */ | |
620 | for (i = 0; i < ds_file_group->ds_file_infos->len; i++) { | |
621 | struct ctf_fs_ds_file_info *other_ds_file_info = | |
622 | g_ptr_array_index(ds_file_group->ds_file_infos, i); | |
623 | ||
624 | if (ds_file_info->begin_ns < other_ds_file_info->begin_ns) { | |
625 | break; | |
626 | } | |
627 | } | |
628 | ||
629 | array_insert(ds_file_group->ds_file_infos, ds_file_info, i); | |
630 | } | |
631 | ||
632 | /* | |
633 | * Create a new ds_file_info using the provided path, begin_ns and index, then | |
634 | * add it to ds_file_group's list of ds_file_infos. | |
635 | */ | |
636 | ||
94cf822e PP |
637 | static |
638 | int ctf_fs_ds_file_group_add_ds_file_info( | |
639 | struct ctf_fs_ds_file_group *ds_file_group, | |
44c440bc | 640 | const char *path, int64_t begin_ns, |
97ade20b | 641 | struct ctf_fs_ds_index *index) |
94cf822e PP |
642 | { |
643 | struct ctf_fs_ds_file_info *ds_file_info; | |
94cf822e PP |
644 | int ret = 0; |
645 | ||
97ade20b JG |
646 | /* Onwership of index is transferred. */ |
647 | ds_file_info = ctf_fs_ds_file_info_create(path, begin_ns, index); | |
648 | index = NULL; | |
94cf822e PP |
649 | if (!ds_file_info) { |
650 | goto error; | |
651 | } | |
652 | ||
41a65f30 | 653 | ds_file_group_insert_ds_file_info_sorted(ds_file_group, ds_file_info); |
94cf822e | 654 | |
94cf822e PP |
655 | ds_file_info = NULL; |
656 | goto end; | |
657 | ||
658 | error: | |
659 | ctf_fs_ds_file_info_destroy(ds_file_info); | |
97ade20b | 660 | ctf_fs_ds_index_destroy(index); |
94cf822e | 661 | ret = -1; |
94cf822e PP |
662 | end: |
663 | return ret; | |
664 | } | |
665 | ||
666 | static | |
667 | int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace, | |
e5be10ef | 668 | const char *path) |
94cf822e | 669 | { |
44c440bc PP |
670 | int64_t stream_instance_id = -1; |
671 | int64_t begin_ns = -1; | |
94cf822e PP |
672 | struct ctf_fs_ds_file_group *ds_file_group = NULL; |
673 | bool add_group = false; | |
674 | int ret; | |
675 | size_t i; | |
6de92955 | 676 | struct ctf_fs_ds_file *ds_file = NULL; |
97ade20b | 677 | struct ctf_fs_ds_index *index = NULL; |
d6e69534 | 678 | struct bt_msg_iter *msg_iter = NULL; |
44c440bc | 679 | struct ctf_stream_class *sc = NULL; |
d6e69534 | 680 | struct bt_msg_iter_packet_properties props; |
94cf822e | 681 | |
d6e69534 | 682 | msg_iter = bt_msg_iter_create(ctf_fs_trace->metadata->tc, |
6de92955 | 683 | bt_common_get_page_size() * 8, ctf_fs_ds_file_medops, NULL); |
d6e69534 PP |
684 | if (!msg_iter) { |
685 | BT_LOGE_STR("Cannot create a CTF message iterator."); | |
6de92955 PP |
686 | goto error; |
687 | } | |
688 | ||
d6e69534 | 689 | ds_file = ctf_fs_ds_file_create(ctf_fs_trace, NULL, msg_iter, |
5c563278 | 690 | NULL, path); |
97ade20b JG |
691 | if (!ds_file) { |
692 | goto error; | |
693 | } | |
694 | ||
41693723 | 695 | ret = bt_msg_iter_get_packet_properties(ds_file->msg_iter, &props); |
94cf822e | 696 | if (ret) { |
55314f2a | 697 | BT_LOGE("Cannot get stream file's first packet's header and context fields (`%s`).", |
94cf822e PP |
698 | path); |
699 | goto error; | |
700 | } | |
701 | ||
44c440bc PP |
702 | sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc, |
703 | props.stream_class_id); | |
704 | BT_ASSERT(sc); | |
44c440bc PP |
705 | stream_instance_id = props.data_stream_id; |
706 | ||
707 | if (props.snapshots.beginning_clock != UINT64_C(-1)) { | |
708 | BT_ASSERT(sc->default_clock_class); | |
0f2d58c9 PP |
709 | ret = bt_util_clock_cycles_to_ns_from_origin( |
710 | props.snapshots.beginning_clock, | |
711 | sc->default_clock_class->frequency, | |
712 | sc->default_clock_class->offset_seconds, | |
713 | sc->default_clock_class->offset_cycles, &begin_ns); | |
44c440bc PP |
714 | if (ret) { |
715 | BT_LOGE("Cannot convert clock cycles to nanoseconds from origin (`%s`).", | |
716 | path); | |
717 | goto error; | |
718 | } | |
94cf822e PP |
719 | } |
720 | ||
97ade20b JG |
721 | index = ctf_fs_ds_file_build_index(ds_file); |
722 | if (!index) { | |
723 | BT_LOGW("Failed to index CTF stream file \'%s\'", | |
724 | ds_file->file->path->str); | |
725 | } | |
726 | ||
44c440bc | 727 | if (begin_ns == -1) { |
94cf822e PP |
728 | /* |
729 | * No beggining timestamp to sort the stream files | |
730 | * within a stream file group, so consider that this | |
731 | * file must be the only one within its group. | |
732 | */ | |
44c440bc | 733 | stream_instance_id = -1; |
94cf822e PP |
734 | } |
735 | ||
44c440bc | 736 | if (stream_instance_id == -1) { |
94cf822e PP |
737 | /* |
738 | * No stream instance ID or no beginning timestamp: | |
739 | * create a unique stream file group for this stream | |
740 | * file because, even if there's a stream instance ID, | |
741 | * there's no timestamp to order the file within its | |
742 | * group. | |
743 | */ | |
94cf822e | 744 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, |
60363f2f | 745 | sc, UINT64_C(-1)); |
94cf822e PP |
746 | if (!ds_file_group) { |
747 | goto error; | |
748 | } | |
749 | ||
750 | ret = ctf_fs_ds_file_group_add_ds_file_info(ds_file_group, | |
547eacf1 | 751 | path, begin_ns, index); |
97ade20b JG |
752 | /* Ownership of index is transferred. */ |
753 | index = NULL; | |
94cf822e PP |
754 | if (ret) { |
755 | goto error; | |
756 | } | |
757 | ||
758 | add_group = true; | |
759 | goto end; | |
760 | } | |
761 | ||
44c440bc PP |
762 | BT_ASSERT(stream_instance_id != -1); |
763 | BT_ASSERT(begin_ns != -1); | |
94cf822e PP |
764 | |
765 | /* Find an existing stream file group with this ID */ | |
766 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
94cf822e PP |
767 | ds_file_group = g_ptr_array_index( |
768 | ctf_fs_trace->ds_file_groups, i); | |
94cf822e | 769 | |
60363f2f | 770 | if (ds_file_group->sc == sc && |
547eacf1 PP |
771 | ds_file_group->stream_id == |
772 | stream_instance_id) { | |
94cf822e PP |
773 | break; |
774 | } | |
775 | ||
776 | ds_file_group = NULL; | |
777 | } | |
778 | ||
779 | if (!ds_file_group) { | |
780 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, | |
60363f2f | 781 | sc, stream_instance_id); |
94cf822e PP |
782 | if (!ds_file_group) { |
783 | goto error; | |
784 | } | |
785 | ||
786 | add_group = true; | |
787 | } | |
788 | ||
547eacf1 PP |
789 | ret = ctf_fs_ds_file_group_add_ds_file_info(ds_file_group, path, |
790 | begin_ns, index); | |
97ade20b | 791 | index = NULL; |
94cf822e PP |
792 | if (ret) { |
793 | goto error; | |
794 | } | |
795 | ||
796 | goto end; | |
797 | ||
798 | error: | |
799 | ctf_fs_ds_file_group_destroy(ds_file_group); | |
800 | ret = -1; | |
801 | ||
802 | end: | |
803 | if (add_group && ds_file_group) { | |
804 | g_ptr_array_add(ctf_fs_trace->ds_file_groups, ds_file_group); | |
805 | } | |
547eacf1 | 806 | |
97ade20b | 807 | ctf_fs_ds_file_destroy(ds_file); |
6de92955 | 808 | |
d6e69534 PP |
809 | if (msg_iter) { |
810 | bt_msg_iter_destroy(msg_iter); | |
6de92955 PP |
811 | } |
812 | ||
97ade20b | 813 | ctf_fs_ds_index_destroy(index); |
94cf822e PP |
814 | return ret; |
815 | } | |
816 | ||
817 | static | |
e5be10ef | 818 | int create_ds_file_groups(struct ctf_fs_trace *ctf_fs_trace) |
e7a4393b JG |
819 | { |
820 | int ret = 0; | |
4f1f88a6 | 821 | const char *basename; |
e7a4393b | 822 | GError *error = NULL; |
4f1f88a6 | 823 | GDir *dir = NULL; |
e7a4393b | 824 | |
94cf822e | 825 | /* Check each file in the path directory, except specific ones */ |
1a9f7075 | 826 | dir = g_dir_open(ctf_fs_trace->path->str, 0, &error); |
e7a4393b | 827 | if (!dir) { |
55314f2a | 828 | BT_LOGE("Cannot open directory `%s`: %s (code %d)", |
1a9f7075 | 829 | ctf_fs_trace->path->str, error->message, |
4f1f88a6 | 830 | error->code); |
e7a4393b JG |
831 | goto error; |
832 | } | |
833 | ||
4f1f88a6 | 834 | while ((basename = g_dir_read_name(dir))) { |
94cf822e PP |
835 | struct ctf_fs_file *file; |
836 | ||
4f1f88a6 | 837 | if (!strcmp(basename, CTF_FS_METADATA_FILENAME)) { |
e7a4393b | 838 | /* Ignore the metadata stream. */ |
3743a302 | 839 | BT_LOGD("Ignoring metadata file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 840 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
841 | continue; |
842 | } | |
843 | ||
4f1f88a6 | 844 | if (basename[0] == '.') { |
3743a302 | 845 | BT_LOGD("Ignoring hidden file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 846 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
847 | continue; |
848 | } | |
849 | ||
850 | /* Create the file. */ | |
55314f2a | 851 | file = ctf_fs_file_create(); |
e7a4393b | 852 | if (!file) { |
3743a302 | 853 | BT_LOGE("Cannot create stream file object for file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 854 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
855 | goto error; |
856 | } | |
857 | ||
858 | /* Create full path string. */ | |
3743a302 | 859 | g_string_append_printf(file->path, "%s" G_DIR_SEPARATOR_S "%s", |
1a9f7075 | 860 | ctf_fs_trace->path->str, basename); |
e7a4393b | 861 | if (!g_file_test(file->path->str, G_FILE_TEST_IS_REGULAR)) { |
55314f2a | 862 | BT_LOGD("Ignoring non-regular file `%s`", |
1a9f7075 | 863 | file->path->str); |
e7a4393b | 864 | ctf_fs_file_destroy(file); |
4f1f88a6 | 865 | file = NULL; |
e7a4393b JG |
866 | continue; |
867 | } | |
868 | ||
55314f2a | 869 | ret = ctf_fs_file_open(file, "rb"); |
4f1f88a6 | 870 | if (ret) { |
55314f2a | 871 | BT_LOGE("Cannot open stream file `%s`", file->path->str); |
e7a4393b JG |
872 | goto error; |
873 | } | |
874 | ||
9fa0891a JG |
875 | if (file->size == 0) { |
876 | /* Skip empty stream. */ | |
55314f2a | 877 | BT_LOGD("Ignoring empty file `%s`", file->path->str); |
9fa0891a JG |
878 | ctf_fs_file_destroy(file); |
879 | continue; | |
880 | } | |
881 | ||
e5be10ef | 882 | ret = add_ds_file_to_ds_file_group(ctf_fs_trace, |
94cf822e | 883 | file->path->str); |
4f1f88a6 | 884 | if (ret) { |
89b08333 | 885 | BT_LOGE("Cannot add stream file `%s` to stream file group", |
1a9f7075 | 886 | file->path->str); |
94cf822e | 887 | ctf_fs_file_destroy(file); |
e7a4393b JG |
888 | goto error; |
889 | } | |
890 | ||
4f1f88a6 | 891 | ctf_fs_file_destroy(file); |
e7a4393b JG |
892 | } |
893 | ||
894 | goto end; | |
4f1f88a6 | 895 | |
e7a4393b JG |
896 | error: |
897 | ret = -1; | |
4f1f88a6 | 898 | |
e7a4393b JG |
899 | end: |
900 | if (dir) { | |
901 | g_dir_close(dir); | |
902 | dir = NULL; | |
903 | } | |
4f1f88a6 | 904 | |
e7a4393b JG |
905 | if (error) { |
906 | g_error_free(error); | |
907 | } | |
5b29e799 | 908 | |
91457551 | 909 | return ret; |
5b29e799 JG |
910 | } |
911 | ||
862ca4ed | 912 | static |
b19ff26f | 913 | int set_trace_name(bt_trace *trace, const char *name_suffix) |
862ca4ed PP |
914 | { |
915 | int ret = 0; | |
b19ff26f PP |
916 | const bt_trace_class *tc = bt_trace_borrow_class_const(trace); |
917 | const bt_value *val; | |
862ca4ed PP |
918 | GString *name; |
919 | ||
920 | name = g_string_new(NULL); | |
921 | if (!name) { | |
922 | BT_LOGE_STR("Failed to allocate a GString."); | |
923 | ret = -1; | |
924 | goto end; | |
925 | } | |
926 | ||
927 | /* | |
928 | * Check if we have a trace environment string value named `hostname`. | |
929 | * If so, use it as the trace name's prefix. | |
930 | */ | |
931 | val = bt_trace_class_borrow_environment_entry_value_by_name_const( | |
932 | tc, "hostname"); | |
933 | if (val && bt_value_is_string(val)) { | |
934 | g_string_append(name, bt_value_string_get(val)); | |
935 | ||
936 | if (name_suffix) { | |
937 | g_string_append_c(name, G_DIR_SEPARATOR); | |
938 | } | |
939 | } | |
940 | ||
941 | if (name_suffix) { | |
942 | g_string_append(name, name_suffix); | |
943 | } | |
944 | ||
945 | ret = bt_trace_set_name(trace, name->str); | |
946 | if (ret) { | |
947 | goto end; | |
948 | } | |
949 | ||
950 | goto end; | |
951 | ||
952 | end: | |
953 | if (name) { | |
954 | g_string_free(name, TRUE); | |
955 | } | |
956 | ||
957 | return ret; | |
958 | } | |
959 | ||
f280892e | 960 | static |
41693723 PP |
961 | struct ctf_fs_trace *ctf_fs_trace_create(bt_self_component_source *self_comp, |
962 | const char *path, const char *name, | |
e5be10ef | 963 | struct ctf_fs_metadata_config *metadata_config) |
1a9f7075 PP |
964 | { |
965 | struct ctf_fs_trace *ctf_fs_trace; | |
966 | int ret; | |
967 | ||
968 | ctf_fs_trace = g_new0(struct ctf_fs_trace, 1); | |
969 | if (!ctf_fs_trace) { | |
970 | goto end; | |
971 | } | |
972 | ||
1a9f7075 PP |
973 | ctf_fs_trace->path = g_string_new(path); |
974 | if (!ctf_fs_trace->path) { | |
975 | goto error; | |
976 | } | |
977 | ||
978 | ctf_fs_trace->name = g_string_new(name); | |
979 | if (!ctf_fs_trace->name) { | |
980 | goto error; | |
981 | } | |
982 | ||
983 | ctf_fs_trace->metadata = g_new0(struct ctf_fs_metadata, 1); | |
984 | if (!ctf_fs_trace->metadata) { | |
985 | goto error; | |
986 | } | |
987 | ||
44c440bc | 988 | ctf_fs_metadata_init(ctf_fs_trace->metadata); |
94cf822e PP |
989 | ctf_fs_trace->ds_file_groups = g_ptr_array_new_with_free_func( |
990 | (GDestroyNotify) ctf_fs_ds_file_group_destroy); | |
991 | if (!ctf_fs_trace->ds_file_groups) { | |
992 | goto error; | |
993 | } | |
994 | ||
41693723 PP |
995 | ret = ctf_fs_metadata_set_trace_class(self_comp, |
996 | ctf_fs_trace, metadata_config); | |
862ca4ed PP |
997 | if (ret) { |
998 | goto error; | |
999 | } | |
1000 | ||
41693723 PP |
1001 | if (ctf_fs_trace->metadata->trace_class) { |
1002 | ctf_fs_trace->trace = | |
1003 | bt_trace_create(ctf_fs_trace->metadata->trace_class); | |
1004 | if (!ctf_fs_trace->trace) { | |
1005 | goto error; | |
1006 | } | |
862ca4ed PP |
1007 | } |
1008 | ||
41693723 PP |
1009 | if (ctf_fs_trace->trace) { |
1010 | ret = set_trace_name(ctf_fs_trace->trace, name); | |
1011 | if (ret) { | |
1012 | goto error; | |
1013 | } | |
1a9f7075 PP |
1014 | } |
1015 | ||
e5be10ef | 1016 | ret = create_ds_file_groups(ctf_fs_trace); |
94cf822e PP |
1017 | if (ret) { |
1018 | goto error; | |
1019 | } | |
1020 | ||
1a9f7075 PP |
1021 | goto end; |
1022 | ||
1023 | error: | |
1024 | ctf_fs_trace_destroy(ctf_fs_trace); | |
1025 | ctf_fs_trace = NULL; | |
44c440bc | 1026 | |
1a9f7075 PP |
1027 | end: |
1028 | return ctf_fs_trace; | |
1029 | } | |
1030 | ||
1031 | static | |
1032 | int path_is_ctf_trace(const char *path) | |
1033 | { | |
1034 | GString *metadata_path = g_string_new(NULL); | |
1035 | int ret = 0; | |
1036 | ||
1037 | if (!metadata_path) { | |
1038 | ret = -1; | |
1039 | goto end; | |
1040 | } | |
1041 | ||
3743a302 | 1042 | g_string_printf(metadata_path, "%s" G_DIR_SEPARATOR_S "%s", path, CTF_FS_METADATA_FILENAME); |
1a9f7075 PP |
1043 | |
1044 | if (g_file_test(metadata_path->str, G_FILE_TEST_IS_REGULAR)) { | |
1045 | ret = 1; | |
1046 | goto end; | |
1047 | } | |
1048 | ||
1049 | end: | |
1050 | g_string_free(metadata_path, TRUE); | |
1051 | return ret; | |
1052 | } | |
1053 | ||
1054 | static | |
55314f2a | 1055 | int add_trace_path(GList **trace_paths, const char *path) |
1a9f7075 | 1056 | { |
4bd72b60 | 1057 | GString *norm_path = NULL; |
1a9f7075 | 1058 | int ret = 0; |
1a9f7075 | 1059 | |
4bd72b60 PP |
1060 | norm_path = bt_common_normalize_path(path, NULL); |
1061 | if (!norm_path) { | |
55314f2a | 1062 | BT_LOGE("Failed to normalize path `%s`.", path); |
1a9f7075 PP |
1063 | ret = -1; |
1064 | goto end; | |
1065 | } | |
1066 | ||
3743a302 | 1067 | // FIXME: Remove or ifdef for __MINGW32__ |
4bd72b60 | 1068 | if (strcmp(norm_path->str, "/") == 0) { |
55314f2a | 1069 | BT_LOGE("Opening a trace in `/` is not supported."); |
1a9f7075 PP |
1070 | ret = -1; |
1071 | goto end; | |
1072 | } | |
1073 | ||
4bd72b60 | 1074 | *trace_paths = g_list_prepend(*trace_paths, norm_path); |
f6ccaed9 | 1075 | BT_ASSERT(*trace_paths); |
4bd72b60 | 1076 | norm_path = NULL; |
1a9f7075 PP |
1077 | |
1078 | end: | |
4bd72b60 PP |
1079 | if (norm_path) { |
1080 | g_string_free(norm_path, TRUE); | |
1081 | } | |
1082 | ||
1a9f7075 PP |
1083 | return ret; |
1084 | } | |
1085 | ||
f280892e | 1086 | static |
55314f2a | 1087 | int ctf_fs_find_traces(GList **trace_paths, const char *start_path) |
1a9f7075 PP |
1088 | { |
1089 | int ret; | |
1090 | GError *error = NULL; | |
1091 | GDir *dir = NULL; | |
1092 | const char *basename = NULL; | |
1093 | ||
1094 | /* Check if the starting path is a CTF trace itself */ | |
1095 | ret = path_is_ctf_trace(start_path); | |
1096 | if (ret < 0) { | |
1097 | goto end; | |
1098 | } | |
1099 | ||
1100 | if (ret) { | |
1101 | /* | |
4bd72b60 PP |
1102 | * Stop recursion: a CTF trace cannot contain another |
1103 | * CTF trace. | |
1a9f7075 | 1104 | */ |
55314f2a | 1105 | ret = add_trace_path(trace_paths, start_path); |
1a9f7075 PP |
1106 | goto end; |
1107 | } | |
1108 | ||
1109 | /* Look for subdirectories */ | |
1110 | if (!g_file_test(start_path, G_FILE_TEST_IS_DIR)) { | |
1111 | /* Starting path is not a directory: end of recursion */ | |
1112 | goto end; | |
1113 | } | |
1114 | ||
1115 | dir = g_dir_open(start_path, 0, &error); | |
1116 | if (!dir) { | |
1117 | if (error->code == G_FILE_ERROR_ACCES) { | |
55314f2a | 1118 | BT_LOGD("Cannot open directory `%s`: %s (code %d): continuing", |
1a9f7075 PP |
1119 | start_path, error->message, error->code); |
1120 | goto end; | |
1121 | } | |
1122 | ||
55314f2a | 1123 | BT_LOGE("Cannot open directory `%s`: %s (code %d)", |
1a9f7075 PP |
1124 | start_path, error->message, error->code); |
1125 | ret = -1; | |
1126 | goto end; | |
1127 | } | |
1128 | ||
1129 | while ((basename = g_dir_read_name(dir))) { | |
1130 | GString *sub_path = g_string_new(NULL); | |
1131 | ||
1132 | if (!sub_path) { | |
1133 | ret = -1; | |
1134 | goto end; | |
1135 | } | |
1136 | ||
3743a302 | 1137 | g_string_printf(sub_path, "%s" G_DIR_SEPARATOR_S "%s", start_path, basename); |
55314f2a | 1138 | ret = ctf_fs_find_traces(trace_paths, sub_path->str); |
1a9f7075 PP |
1139 | g_string_free(sub_path, TRUE); |
1140 | if (ret) { | |
1141 | goto end; | |
1142 | } | |
1143 | } | |
1144 | ||
1145 | end: | |
1146 | if (dir) { | |
1147 | g_dir_close(dir); | |
1148 | } | |
1149 | ||
1150 | if (error) { | |
1151 | g_error_free(error); | |
1152 | } | |
1153 | ||
1154 | return ret; | |
1155 | } | |
1156 | ||
f280892e | 1157 | static |
55314f2a | 1158 | GList *ctf_fs_create_trace_names(GList *trace_paths, const char *base_path) { |
1a9f7075 | 1159 | GList *trace_names = NULL; |
1a9f7075 | 1160 | GList *node; |
4bd72b60 PP |
1161 | const char *last_sep; |
1162 | size_t base_dist; | |
1a9f7075 PP |
1163 | |
1164 | /* | |
4bd72b60 PP |
1165 | * At this point we know that all the trace paths are |
1166 | * normalized, and so is the base path. This means that | |
1167 | * they are absolute and they don't end with a separator. | |
1168 | * We can simply find the location of the last separator | |
1169 | * in the base path, which gives us the name of the actual | |
1170 | * directory to look into, and use this location as the | |
1171 | * start of each trace name within each trace path. | |
1172 | * | |
1173 | * For example: | |
1174 | * | |
1175 | * Base path: /home/user/my-traces/some-trace | |
1176 | * Trace paths: | |
1177 | * - /home/user/my-traces/some-trace/host1/trace1 | |
1178 | * - /home/user/my-traces/some-trace/host1/trace2 | |
1179 | * - /home/user/my-traces/some-trace/host2/trace | |
1180 | * - /home/user/my-traces/some-trace/other-trace | |
1181 | * | |
1182 | * In this case the trace names are: | |
1183 | * | |
1184 | * - some-trace/host1/trace1 | |
1185 | * - some-trace/host1/trace2 | |
1186 | * - some-trace/host2/trace | |
1187 | * - some-trace/other-trace | |
1a9f7075 | 1188 | */ |
4bd72b60 | 1189 | last_sep = strrchr(base_path, G_DIR_SEPARATOR); |
1a9f7075 | 1190 | |
4bd72b60 | 1191 | /* We know there's at least one separator */ |
f6ccaed9 | 1192 | BT_ASSERT(last_sep); |
1a9f7075 | 1193 | |
4bd72b60 PP |
1194 | /* Distance to base */ |
1195 | base_dist = last_sep - base_path + 1; | |
1a9f7075 PP |
1196 | |
1197 | /* Create the trace names */ | |
1198 | for (node = trace_paths; node; node = g_list_next(node)) { | |
1199 | GString *trace_name = g_string_new(NULL); | |
1200 | GString *trace_path = node->data; | |
1201 | ||
f6ccaed9 | 1202 | BT_ASSERT(trace_name); |
4bd72b60 | 1203 | g_string_assign(trace_name, &trace_path->str[base_dist]); |
1a9f7075 PP |
1204 | trace_names = g_list_append(trace_names, trace_name); |
1205 | } | |
1206 | ||
1207 | return trace_names; | |
1208 | } | |
1209 | ||
f280892e SM |
1210 | /* Helper for ctf_fs_component_create_ctf_fs_traces, to handle a single path/root. */ |
1211 | ||
1a9f7075 | 1212 | static |
f280892e | 1213 | int ctf_fs_component_create_ctf_fs_traces_one_root(bt_self_component_source *self_comp, |
41693723 | 1214 | struct ctf_fs_component *ctf_fs, |
1a9f7075 PP |
1215 | const char *path_param) |
1216 | { | |
1217 | struct ctf_fs_trace *ctf_fs_trace = NULL; | |
1218 | int ret = 0; | |
4bd72b60 | 1219 | GString *norm_path = NULL; |
1a9f7075 PP |
1220 | GList *trace_paths = NULL; |
1221 | GList *trace_names = NULL; | |
1222 | GList *tp_node; | |
1223 | GList *tn_node; | |
1224 | ||
4bd72b60 PP |
1225 | norm_path = bt_common_normalize_path(path_param, NULL); |
1226 | if (!norm_path) { | |
55314f2a | 1227 | BT_LOGE("Failed to normalize path: `%s`.", |
4bd72b60 PP |
1228 | path_param); |
1229 | goto error; | |
1230 | } | |
1231 | ||
55314f2a | 1232 | ret = ctf_fs_find_traces(&trace_paths, norm_path->str); |
1a9f7075 PP |
1233 | if (ret) { |
1234 | goto error; | |
1235 | } | |
1236 | ||
1237 | if (!trace_paths) { | |
55314f2a | 1238 | BT_LOGE("No CTF traces recursively found in `%s`.", |
1a9f7075 PP |
1239 | path_param); |
1240 | goto error; | |
1241 | } | |
1242 | ||
55314f2a | 1243 | trace_names = ctf_fs_create_trace_names(trace_paths, norm_path->str); |
1a9f7075 | 1244 | if (!trace_names) { |
55314f2a | 1245 | BT_LOGE("Cannot create trace names from trace paths."); |
1a9f7075 PP |
1246 | goto error; |
1247 | } | |
1248 | ||
1249 | for (tp_node = trace_paths, tn_node = trace_names; tp_node; | |
1250 | tp_node = g_list_next(tp_node), | |
1251 | tn_node = g_list_next(tn_node)) { | |
1252 | GString *trace_path = tp_node->data; | |
1253 | GString *trace_name = tn_node->data; | |
1254 | ||
41693723 PP |
1255 | ctf_fs_trace = ctf_fs_trace_create(self_comp, |
1256 | trace_path->str, trace_name->str, | |
1257 | &ctf_fs->metadata_config); | |
1a9f7075 | 1258 | if (!ctf_fs_trace) { |
55314f2a | 1259 | BT_LOGE("Cannot create trace for `%s`.", |
1a9f7075 PP |
1260 | trace_path->str); |
1261 | goto error; | |
1262 | } | |
52c5fe74 PP |
1263 | |
1264 | g_ptr_array_add(ctf_fs->traces, ctf_fs_trace); | |
1265 | ctf_fs_trace = NULL; | |
1a9f7075 PP |
1266 | } |
1267 | ||
1a9f7075 PP |
1268 | goto end; |
1269 | ||
1270 | error: | |
1271 | ret = -1; | |
1272 | ctf_fs_trace_destroy(ctf_fs_trace); | |
1273 | ||
1274 | end: | |
1275 | for (tp_node = trace_paths; tp_node; tp_node = g_list_next(tp_node)) { | |
1276 | if (tp_node->data) { | |
1277 | g_string_free(tp_node->data, TRUE); | |
1278 | } | |
1279 | } | |
1280 | ||
1281 | for (tn_node = trace_names; tn_node; tn_node = g_list_next(tn_node)) { | |
1282 | if (tn_node->data) { | |
1283 | g_string_free(tn_node->data, TRUE); | |
1284 | } | |
1285 | } | |
1286 | ||
1287 | if (trace_paths) { | |
1288 | g_list_free(trace_paths); | |
1289 | } | |
1290 | ||
1291 | if (trace_names) { | |
1292 | g_list_free(trace_names); | |
1293 | } | |
1294 | ||
4bd72b60 PP |
1295 | if (norm_path) { |
1296 | g_string_free(norm_path, TRUE); | |
1297 | } | |
1298 | ||
1a9f7075 PP |
1299 | return ret; |
1300 | } | |
1301 | ||
41a65f30 SM |
1302 | /* GCompareFunc to sort traces by UUID. */ |
1303 | ||
1304 | static | |
1305 | gint sort_traces_by_uuid(gconstpointer a, gconstpointer b) | |
1306 | { | |
1307 | const struct ctf_fs_trace *trace_a = *((const struct ctf_fs_trace **) a); | |
1308 | const struct ctf_fs_trace *trace_b = *((const struct ctf_fs_trace **) b); | |
1309 | ||
1310 | bool trace_a_has_uuid = trace_a->metadata->tc->is_uuid_set; | |
1311 | bool trace_b_has_uuid = trace_b->metadata->tc->is_uuid_set; | |
1312 | gint ret; | |
1313 | ||
1314 | /* Order traces without uuid first. */ | |
1315 | if (!trace_a_has_uuid && trace_b_has_uuid) { | |
1316 | ret = -1; | |
1317 | } else if (trace_a_has_uuid && !trace_b_has_uuid) { | |
1318 | ret = 1; | |
1319 | } else if (!trace_a_has_uuid && !trace_b_has_uuid) { | |
1320 | ret = 0; | |
1321 | } else { | |
1322 | ret = bt_uuid_compare(trace_a->metadata->tc->uuid, trace_b->metadata->tc->uuid); | |
1323 | } | |
1324 | ||
1325 | return ret; | |
1326 | } | |
1327 | ||
1328 | /* | |
1329 | * Count the number of stream and event classes defined by this trace's metadata. | |
1330 | * | |
1331 | * This is used to determine which metadata is the "latest", out of multiple | |
1332 | * traces sharing the same UUID. It is assumed that amongst all these metadatas, | |
1333 | * a bigger metadata is a superset of a smaller metadata. Therefore, it is | |
1334 | * enough to just count the classes. | |
1335 | */ | |
1336 | ||
1337 | static | |
1338 | unsigned int metadata_count_stream_and_event_classes(struct ctf_fs_trace *trace) | |
1339 | { | |
1340 | unsigned int num = trace->metadata->tc->stream_classes->len; | |
1341 | guint i; | |
1342 | ||
1343 | for (i = 0; i < trace->metadata->tc->stream_classes->len; i++) { | |
1344 | struct ctf_stream_class *sc = trace->metadata->tc->stream_classes->pdata[i]; | |
1345 | num += sc->event_classes->len; | |
1346 | } | |
1347 | ||
1348 | return num; | |
1349 | } | |
1350 | ||
1351 | /* | |
1352 | * Merge the src ds_file_group into dest. This consists of merging their | |
1353 | * ds_file_infos, making sure to keep the result sorted. | |
1354 | */ | |
1355 | ||
1356 | static | |
1357 | void merge_ctf_fs_ds_file_groups(struct ctf_fs_ds_file_group *dest, struct ctf_fs_ds_file_group *src) | |
1358 | { | |
1359 | guint i; | |
1360 | ||
1361 | for (i = 0; i < src->ds_file_infos->len; i++) { | |
1362 | struct ctf_fs_ds_file_info *ds_file_info = | |
1363 | g_ptr_array_index(src->ds_file_infos, i); | |
1364 | ||
1365 | /* Ownership of the ds_file_info is transferred to dest. */ | |
1366 | g_ptr_array_index(src->ds_file_infos, i) = NULL; | |
1367 | ||
1368 | ds_file_group_insert_ds_file_info_sorted(dest, ds_file_info); | |
1369 | } | |
1370 | } | |
1371 | ||
1372 | /* Merge src_trace's data stream file groups into dest_trace's. */ | |
1373 | ||
1374 | static | |
1375 | void merge_matching_ctf_fs_ds_file_groups( | |
1376 | struct ctf_fs_trace *dest_trace, | |
1377 | struct ctf_fs_trace *src_trace) | |
1378 | { | |
1379 | ||
1380 | GPtrArray *dest = dest_trace->ds_file_groups; | |
1381 | GPtrArray *src = src_trace->ds_file_groups; | |
1382 | guint s_i; | |
1383 | ||
1384 | /* | |
1385 | * Save the initial length of dest: we only want to check against the | |
1386 | * original elements in the inner loop. | |
1387 | */ | |
1388 | const guint dest_len = dest->len; | |
1389 | ||
1390 | for (s_i = 0; s_i < src->len; s_i++) { | |
1391 | struct ctf_fs_ds_file_group *src_group = g_ptr_array_index(src, s_i); | |
1392 | struct ctf_fs_ds_file_group *dest_group = NULL; | |
1393 | ||
1394 | /* A stream instance without ID can't match a stream in the other trace. */ | |
1395 | if (src_group->stream_id != -1) { | |
1396 | guint d_i; | |
1397 | ||
1398 | /* Let's search for a matching ds_file_group in the destination. */ | |
1399 | for (d_i = 0; d_i < dest_len; d_i++) { | |
1400 | struct ctf_fs_ds_file_group *candidate_dest = g_ptr_array_index(dest, d_i); | |
1401 | ||
1402 | /* Can't match a stream instance without ID. */ | |
1403 | if (candidate_dest->stream_id == -1) { | |
1404 | continue; | |
1405 | } | |
1406 | ||
1407 | /* | |
1408 | * If the two groups have the same stream instance id | |
1409 | * and belong to the same stream class (stream instance | |
1410 | * ids are per-stream class), they represent the same | |
1411 | * stream instance. | |
1412 | */ | |
1413 | if (candidate_dest->stream_id != src_group->stream_id || | |
1414 | candidate_dest->sc->id != src_group->sc->id) { | |
1415 | continue; | |
1416 | } | |
1417 | ||
1418 | dest_group = candidate_dest; | |
1419 | break; | |
1420 | } | |
1421 | } | |
1422 | ||
1423 | /* | |
1424 | * Didn't find a friend in dest to merge our src_group into? | |
1425 | * Create a new empty one. | |
1426 | */ | |
1427 | if (!dest_group) { | |
1428 | struct ctf_stream_class *sc; | |
1429 | ||
1430 | sc = ctf_trace_class_borrow_stream_class_by_id( | |
1431 | dest_trace->metadata->tc, src_group->sc->id); | |
1432 | BT_ASSERT(sc); | |
1433 | ||
1434 | dest_group = ctf_fs_ds_file_group_create(dest_trace, sc, | |
1435 | src_group->stream_id); | |
1436 | ||
1437 | g_ptr_array_add(dest_trace->ds_file_groups, dest_group); | |
1438 | } | |
1439 | ||
1440 | BT_ASSERT(dest_group); | |
1441 | merge_ctf_fs_ds_file_groups(dest_group, src_group); | |
1442 | } | |
1443 | } | |
1444 | ||
1445 | /* | |
1446 | * Collapse the given traces, which must all share the same UUID, in a single | |
1447 | * one. | |
1448 | * | |
1449 | * The trace with the most expansive metadata is chosen and all other traces | |
1450 | * are merged into that one. The array slots of all the traces that get merged | |
1451 | * in the chosen one are set to NULL, so only the slot of the chosen trace | |
1452 | * remains non-NULL. | |
1453 | */ | |
1454 | ||
1455 | static | |
1456 | void merge_ctf_fs_traces(struct ctf_fs_trace **traces, unsigned int num_traces) | |
1457 | { | |
1458 | unsigned int winner_count; | |
1459 | struct ctf_fs_trace *winner; | |
1460 | guint i; | |
1461 | char uuid_str[BABELTRACE_UUID_STR_LEN]; | |
1462 | ||
1463 | BT_ASSERT(num_traces >= 2); | |
1464 | ||
1465 | winner_count = metadata_count_stream_and_event_classes(traces[0]); | |
1466 | winner = traces[0]; | |
1467 | ||
1468 | /* Find the trace with the largest metadata. */ | |
1469 | for (i = 1; i < num_traces; i++) { | |
1470 | struct ctf_fs_trace *candidate; | |
1471 | unsigned int candidate_count; | |
1472 | ||
1473 | candidate = traces[i]; | |
1474 | ||
1475 | /* A bit of sanity check. */ | |
1476 | BT_ASSERT(bt_uuid_compare(winner->metadata->tc->uuid, candidate->metadata->tc->uuid) == 0); | |
1477 | ||
1478 | candidate_count = metadata_count_stream_and_event_classes(candidate); | |
1479 | ||
1480 | if (candidate_count > winner_count) { | |
1481 | winner_count = candidate_count; | |
1482 | winner = candidate; | |
1483 | } | |
1484 | } | |
1485 | ||
1486 | /* Merge all the other traces in the winning trace. */ | |
1487 | for (i = 0; i < num_traces; i++) { | |
1488 | struct ctf_fs_trace *trace = traces[i]; | |
1489 | ||
1490 | /* Don't merge the winner into itself. */ | |
1491 | if (trace == winner) { | |
1492 | continue; | |
1493 | } | |
1494 | ||
1495 | /* Merge trace's data stream file groups into winner's. */ | |
1496 | merge_matching_ctf_fs_ds_file_groups(winner, trace); | |
1497 | ||
1498 | /* Free the trace that got merged into winner, clear the slot in the array. */ | |
1499 | ctf_fs_trace_destroy(trace); | |
1500 | traces[i] = NULL; | |
1501 | } | |
1502 | ||
1503 | /* Use the string representation of the UUID as the trace name. */ | |
1504 | bt_uuid_unparse(winner->metadata->tc->uuid, uuid_str); | |
1505 | g_string_printf(winner->name, "%s", uuid_str); | |
1506 | } | |
1507 | ||
1508 | /* | |
1509 | * Merge all traces of `ctf_fs` that share the same UUID in a single trace. | |
1510 | * Traces with no UUID are not merged. | |
1511 | */ | |
1512 | ||
1513 | static | |
1514 | void merge_traces_with_same_uuid(struct ctf_fs_component *ctf_fs) | |
1515 | { | |
1516 | GPtrArray *traces = ctf_fs->traces; | |
1517 | guint range_start_idx = 0; | |
1518 | unsigned int num_traces = 0; | |
1519 | guint i; | |
1520 | ||
1521 | /* Sort the traces by uuid, then collapse traces with the same uuid in a single one. */ | |
1522 | g_ptr_array_sort(traces, sort_traces_by_uuid); | |
1523 | ||
1524 | /* Find ranges of consecutive traces that share the same UUID. */ | |
1525 | while (range_start_idx < traces->len) { | |
1526 | guint range_len; | |
1527 | struct ctf_fs_trace *range_start_trace = g_ptr_array_index(traces, range_start_idx); | |
1528 | ||
1529 | /* Exclusive end of range. */ | |
1530 | guint range_end_exc_idx = range_start_idx + 1; | |
1531 | ||
1532 | while (range_end_exc_idx < traces->len) { | |
1533 | struct ctf_fs_trace *this_trace = g_ptr_array_index(traces, range_end_exc_idx); | |
1534 | ||
1535 | if (!range_start_trace->metadata->tc->is_uuid_set || | |
1536 | (bt_uuid_compare(range_start_trace->metadata->tc->uuid, this_trace->metadata->tc->uuid) != 0)) { | |
1537 | break; | |
1538 | } | |
1539 | ||
1540 | range_end_exc_idx++; | |
1541 | } | |
1542 | ||
1543 | /* If we have two or more traces with matching UUIDs, merge them. */ | |
1544 | range_len = range_end_exc_idx - range_start_idx; | |
1545 | if (range_len > 1) { | |
1546 | struct ctf_fs_trace **range_start = (struct ctf_fs_trace **) &traces->pdata[range_start_idx]; | |
1547 | merge_ctf_fs_traces(range_start, range_len); | |
1548 | } | |
1549 | ||
1550 | num_traces++; | |
1551 | range_start_idx = range_end_exc_idx; | |
1552 | } | |
1553 | ||
1554 | /* Clear any NULL slot (traces that got merged in another one) in the array. */ | |
1555 | for (i = 0; i < traces->len;) { | |
1556 | if (g_ptr_array_index(traces, i) == NULL) { | |
1557 | g_ptr_array_remove_index_fast(traces, i); | |
1558 | } else { | |
1559 | i++; | |
1560 | } | |
1561 | } | |
1562 | ||
1563 | BT_ASSERT(num_traces == traces->len); | |
1564 | } | |
1565 | ||
f280892e SM |
1566 | int ctf_fs_component_create_ctf_fs_traces(bt_self_component_source *self_comp, |
1567 | struct ctf_fs_component *ctf_fs, | |
1568 | const bt_value *paths_value) | |
1569 | { | |
1570 | int ret = 0; | |
1571 | uint64_t i; | |
1572 | ||
1573 | for (i = 0; i < bt_value_array_get_size(paths_value); i++) { | |
1574 | const bt_value *path_value = bt_value_array_borrow_element_by_index_const(paths_value, i); | |
1575 | const char *path = bt_value_string_get(path_value); | |
1576 | ||
1577 | ret = ctf_fs_component_create_ctf_fs_traces_one_root(self_comp, ctf_fs, path); | |
1578 | if (ret) { | |
1579 | goto end; | |
1580 | } | |
1581 | } | |
1582 | ||
41a65f30 SM |
1583 | merge_traces_with_same_uuid(ctf_fs); |
1584 | ||
f280892e SM |
1585 | end: |
1586 | return ret; | |
1587 | } | |
1588 | ||
1589 | /* Create the IR stream objects for ctf_fs_trace. */ | |
1590 | ||
1591 | static | |
1592 | int create_streams_for_trace(struct ctf_fs_trace *ctf_fs_trace) | |
1593 | { | |
1594 | int ret; | |
1595 | GString *name = NULL; | |
1596 | guint i; | |
1597 | ||
1598 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
1599 | struct ctf_fs_ds_file_group *ds_file_group = | |
1600 | g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
1601 | name = get_stream_instance_unique_name(ds_file_group); | |
1602 | ||
1603 | if (!name) { | |
1604 | goto error; | |
1605 | } | |
1606 | ||
1607 | if (ds_file_group->sc->ir_sc) { | |
1608 | BT_ASSERT(ctf_fs_trace->trace); | |
1609 | ||
1610 | if (ds_file_group->stream_id == UINT64_C(-1)) { | |
1611 | /* No stream ID: use 0 */ | |
1612 | ds_file_group->stream = bt_stream_create_with_id( | |
1613 | ds_file_group->sc->ir_sc, | |
1614 | ctf_fs_trace->trace, | |
1615 | ctf_fs_trace->next_stream_id); | |
1616 | ctf_fs_trace->next_stream_id++; | |
1617 | } else { | |
1618 | /* Specific stream ID */ | |
1619 | ds_file_group->stream = bt_stream_create_with_id( | |
1620 | ds_file_group->sc->ir_sc, | |
1621 | ctf_fs_trace->trace, | |
1622 | (uint64_t) ds_file_group->stream_id); | |
1623 | } | |
1624 | } else { | |
1625 | ds_file_group->stream = NULL; | |
1626 | } | |
1627 | ||
1628 | if (!ds_file_group->stream) { | |
1629 | BT_LOGE("Cannot create stream for DS file group: " | |
1630 | "addr=%p, stream-name=\"%s\"", | |
1631 | ds_file_group, name->str); | |
1632 | goto error; | |
1633 | } | |
1634 | ||
1635 | ret = bt_stream_set_name(ds_file_group->stream, | |
1636 | name->str); | |
1637 | if (ret) { | |
1638 | BT_LOGE("Cannot set stream's name: " | |
1639 | "addr=%p, stream-name=\"%s\"", | |
1640 | ds_file_group->stream, name->str); | |
1641 | goto error; | |
1642 | } | |
1643 | ||
1644 | g_string_free(name, TRUE); | |
1645 | name = NULL; | |
1646 | } | |
1647 | ||
1648 | ret = 0; | |
1649 | goto end; | |
1650 | ||
1651 | error: | |
1652 | ret = -1; | |
1653 | ||
1654 | end: | |
1655 | ||
1656 | if (name) { | |
1657 | g_string_free(name, TRUE); | |
1658 | } | |
1659 | return ret; | |
1660 | } | |
1661 | ||
d907165c SM |
1662 | /* |
1663 | * Validate the "paths" parameter passed to this component. It must be | |
1664 | * present, and it must be an array of strings. | |
1665 | */ | |
1666 | ||
1667 | static | |
f280892e SM |
1668 | bool validate_paths_parameter(const bt_value *paths) |
1669 | { | |
1670 | bool ret; | |
1671 | bt_value_type type; | |
1672 | uint64_t i; | |
1673 | ||
1674 | if (!paths) { | |
1675 | BT_LOGE("missing \"paths\" parameter"); | |
1676 | goto error; | |
1677 | } | |
1678 | ||
1679 | type = bt_value_get_type(paths); | |
1680 | if (type != BT_VALUE_TYPE_ARRAY) { | |
1681 | BT_LOGE("`paths` parameter: expecting array value: type=%s", | |
1682 | bt_common_value_type_string(type)); | |
1683 | goto error; | |
1684 | } | |
1685 | ||
1686 | for (i = 0; i < bt_value_array_get_size(paths); i++) { | |
1687 | const bt_value *elem; | |
1688 | ||
1689 | elem = bt_value_array_borrow_element_by_index_const(paths, i); | |
1690 | type = bt_value_get_type(elem); | |
1691 | if (type != BT_VALUE_TYPE_STRING) { | |
1692 | BT_LOGE("`paths` parameter: expecting string value: index=%" PRIu64 ", type=%s", | |
1693 | i, bt_common_value_type_string(type)); | |
1694 | goto error; | |
1695 | } | |
1696 | } | |
1697 | ||
1698 | ret = true; | |
1699 | goto end; | |
1700 | ||
1701 | error: | |
1702 | ret = false; | |
1703 | ||
1704 | end: | |
1705 | return ret; | |
1706 | } | |
1707 | ||
d907165c SM |
1708 | bool read_src_fs_parameters(const bt_value *params, |
1709 | const bt_value **paths, struct ctf_fs_component *ctf_fs) { | |
1710 | bool ret; | |
1711 | const bt_value *value; | |
1712 | ||
1713 | /* paths parameter */ | |
1714 | *paths = bt_value_map_borrow_entry_value_const(params, "paths"); | |
1715 | if (!validate_paths_parameter(*paths)) { | |
1716 | goto error; | |
1717 | } | |
1718 | ||
1719 | /* clock-class-offset-s parameter */ | |
1720 | value = bt_value_map_borrow_entry_value_const(params, | |
1721 | "clock-class-offset-s"); | |
1722 | if (value) { | |
1723 | if (!bt_value_is_integer(value)) { | |
1724 | BT_LOGE("clock-class-offset-s must be an integer"); | |
1725 | goto error; | |
1726 | } | |
1727 | ctf_fs->metadata_config.clock_class_offset_s = | |
1728 | bt_value_integer_get(value); | |
1729 | } | |
1730 | ||
1731 | /* clock-class-offset-ns parameter */ | |
1732 | value = bt_value_map_borrow_entry_value_const(params, | |
1733 | "clock-class-offset-ns"); | |
1734 | if (value) { | |
1735 | if (!bt_value_is_integer(value)) { | |
1736 | BT_LOGE("clock-class-offset-ns must be an integer"); | |
1737 | goto error; | |
1738 | } | |
1739 | ctf_fs->metadata_config.clock_class_offset_ns = | |
1740 | bt_value_integer_get(value); | |
1741 | } | |
1742 | ||
1743 | ||
1744 | ret = true; | |
1745 | goto end; | |
1746 | ||
1747 | error: | |
1748 | ret = false; | |
1749 | ||
1750 | end: | |
1751 | return ret; | |
1752 | } | |
1753 | ||
5b29e799 | 1754 | static |
d94d92ac | 1755 | struct ctf_fs_component *ctf_fs_create( |
b19ff26f PP |
1756 | bt_self_component_source *self_comp, |
1757 | const bt_value *params) | |
56a1cced | 1758 | { |
f280892e | 1759 | struct ctf_fs_component *ctf_fs = NULL; |
f280892e SM |
1760 | guint i; |
1761 | const bt_value *paths_value; | |
56a1cced | 1762 | |
d907165c SM |
1763 | ctf_fs = ctf_fs_component_create(); |
1764 | if (!ctf_fs) { | |
f280892e SM |
1765 | goto error; |
1766 | } | |
1767 | ||
d907165c | 1768 | if (!read_src_fs_parameters(params, &paths_value, ctf_fs)) { |
f280892e | 1769 | goto error; |
56a1cced JG |
1770 | } |
1771 | ||
d94d92ac | 1772 | bt_self_component_set_data( |
707b7d35 | 1773 | bt_self_component_source_as_self_component(self_comp), |
d94d92ac | 1774 | ctf_fs); |
1a9f7075 | 1775 | |
4f1f88a6 PP |
1776 | /* |
1777 | * We don't need to get a new reference here because as long as | |
1778 | * our private ctf_fs_component object exists, the containing | |
1779 | * private component should also exist. | |
1780 | */ | |
d94d92ac | 1781 | ctf_fs->self_comp = self_comp; |
56a1cced | 1782 | |
f280892e | 1783 | if (ctf_fs_component_create_ctf_fs_traces(self_comp, ctf_fs, paths_value)) { |
4f1f88a6 PP |
1784 | goto error; |
1785 | } | |
1786 | ||
f280892e SM |
1787 | for (i = 0; i < ctf_fs->traces->len; i++) { |
1788 | struct ctf_fs_trace *trace = g_ptr_array_index(ctf_fs->traces, i); | |
599faa1c | 1789 | |
f280892e SM |
1790 | if (create_streams_for_trace(trace)) { |
1791 | goto error; | |
1792 | } | |
1793 | ||
1794 | if (create_ports_for_trace(ctf_fs, trace)) { | |
1795 | goto error; | |
1796 | } | |
4f1f88a6 PP |
1797 | } |
1798 | ||
1ef09eb5 JG |
1799 | goto end; |
1800 | ||
56a1cced | 1801 | error: |
1a9f7075 | 1802 | ctf_fs_destroy(ctf_fs); |
e7a4393b | 1803 | ctf_fs = NULL; |
d94d92ac | 1804 | bt_self_component_set_data( |
707b7d35 | 1805 | bt_self_component_source_as_self_component(self_comp), |
d94d92ac | 1806 | NULL); |
1a9f7075 | 1807 | |
1ef09eb5 | 1808 | end: |
56a1cced JG |
1809 | return ctf_fs; |
1810 | } | |
1811 | ||
ea0b4b9e | 1812 | BT_HIDDEN |
4cdfc5e8 | 1813 | bt_self_component_status ctf_fs_init( |
b19ff26f PP |
1814 | bt_self_component_source *self_comp, |
1815 | const bt_value *params, UNUSED_VAR void *init_method_data) | |
ea0b4b9e JG |
1816 | { |
1817 | struct ctf_fs_component *ctf_fs; | |
4cdfc5e8 | 1818 | bt_self_component_status ret = BT_SELF_COMPONENT_STATUS_OK; |
ea0b4b9e | 1819 | |
d94d92ac | 1820 | ctf_fs = ctf_fs_create(self_comp, params); |
ea0b4b9e | 1821 | if (!ctf_fs) { |
d94d92ac | 1822 | ret = BT_SELF_COMPONENT_STATUS_ERROR; |
ea0b4b9e | 1823 | } |
4c1456f0 | 1824 | |
ea0b4b9e JG |
1825 | return ret; |
1826 | } | |
33f93973 PP |
1827 | |
1828 | BT_HIDDEN | |
4cdfc5e8 | 1829 | bt_query_status ctf_fs_query( |
b19ff26f PP |
1830 | bt_self_component_class_source *comp_class, |
1831 | const bt_query_executor *query_exec, | |
1832 | const char *object, const bt_value *params, | |
1833 | const bt_value **result) | |
33f93973 | 1834 | { |
4cdfc5e8 | 1835 | bt_query_status status = BT_QUERY_STATUS_OK; |
33f93973 | 1836 | |
04c0ba87 | 1837 | if (!strcmp(object, "metadata-info")) { |
d94d92ac | 1838 | status = metadata_info_query(comp_class, params, result); |
97ade20b | 1839 | } else if (!strcmp(object, "trace-info")) { |
d94d92ac | 1840 | status = trace_info_query(comp_class, params, result); |
33f93973 | 1841 | } else { |
55314f2a | 1842 | BT_LOGE("Unknown query object `%s`", object); |
d94d92ac | 1843 | status = BT_QUERY_STATUS_INVALID_OBJECT; |
04c0ba87 | 1844 | goto end; |
33f93973 | 1845 | } |
33f93973 | 1846 | end: |
d94d92ac | 1847 | return status; |
33f93973 | 1848 | } |